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1 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config/i386/i386.md (smaxmin): New.
4         (umaxmin): Likewise.
5         (maxminiprefix): Likewise.
6         (maxminfprefix): Likewise.
7         (<code><mode>3): Likewise.
8         (smin<mode>3): Removed.
9         (smax<mode>3): Likewise.
10
11         * config/i386/mmx.md (mmx_<code>v2sf3): New.
12         (mmx_<code>v4hi3): Likewise.
13         (mmx_<code>v8qi3): Likewise.
14         (mmx_smaxv2sf3): Removed.
15         (mmx_sminv2sf3): Likewise.
16         (mmx_umaxv8qi3): Likewise.
17         (mmx_smaxv4hi3): Likewise.
18         (mmx_uminv8qi3): Likewise.
19         (mmx_sminv4hi3): Likewise.
20
21         * config/i386/sse.md (<addsub><mode>3): New.
22         (*<addsub><mode>3): Likewise.
23         (<sse>_vm<addsub><mode>3): Likewise.
24         (<maxmin><mode>3): Likewise.
25         (*<maxmin><mode>3_finite): Likewise.
26         (*<maxmin><mode>3): Likewise.
27         (<sse>_vm<maxmin><mode>3): Likewise.
28         (sse3_h<addsub>v4sf3): Likewise.
29         (sse3_h<addsub>v2df3): Likewise.
30         (<maxmin>v16qi3): Likewise.
31         (*<maxmin>v16qi3): Likewise.
32         (<maxmin>v8hi3): Likewise.
33         (*<maxmin>v8hi3): Likewise.
34         (*sse4_1_<maxmin><mode>3): Likewise.
35         (*sse4_1_<maxmin><mode>3): Likewise.
36         (add<mode>3): Removed.
37         (*add<mode>3): Likewise.
38         (<sse>_vmadd<mode>3): Likewise.
39         (sub<mode>3): Likewise.
40         (*sub<mode>3): Likewise.
41         (<sse>_vmsub<mode>3): Likewise.
42         (smin<mode>3): Likewise.
43         (*smin<mode>3_finite): Likewise.
44         (*smin<mode>3): Likewise.
45         (<sse>_vmsmin<mode>3): Likewise.
46         (smax<mode>3): Likewise.
47         (*smax<mode>3_finite): Likewise.
48         (*smax<mode>3): Likewise.
49         (<sse>_vmsmax<mode>3): Likewise.
50         (sse3_haddv4sf3): Likewise.
51         (sse3_haddv2df3): Likewise.
52         (sse3_hsubv4sf3): Likewise.
53         (sse3_hsubv2df3): Likewise.
54         (umaxv16qi3): Likewise.
55         (*umaxv16qi3): Likewise.
56         (smaxv8hi3): Likewise.
57         (*smaxv8hi3): Likewise.
58         (*sse4_1_smax<mode>3): Likewise.
59         (*sse4_1_umax<mode>3): Likewise.
60         (uminv16qi3): Likewise.
61         (*uminv16qi3): Likewise.
62         (sminv8hi3): Likewise.
63         (*sminv8hi3): Likewise.
64         (*sse4_1_smin<mode>3): Likewise.
65         (*sse4_1_umin<mode>3): Likewise.
66
67 2008-04-01  Rafael Espindola  <espindola@google.com>
68
69         * tree-cfg.c (verify_expr): remove in_phi.
70         (verify_stmt): Don't call walk_tree with verify_expr. Use
71         is_gimple_min_invariant instead of is_gimple_val.
72
73 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
74
75         * doc/include/gpl_v3.texi: Update for manpage generation.
76         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
77         gpl.texi.
78         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
79         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
80         gpl_v3.texi instead of gpl.texi.
81         (gpl.pod): New.
82
83 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
84
85         PR pch/13675
86         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
87
88 2008-04-01  Rafael Espindola  <espindola@google.com>
89
90         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
91         (extract_code_and_val_from_cond): Use
92         extract_code_and_val_from_cond_with_ops.
93
94 2008-04-01  Jan Hubicka  <jh@suse.cz>
95
96         * function.c (free_after_compilation): Free epilogue_delay_list.
97         (prepare_function_start): Assert that previous compilation was freed.
98
99 2008-04-01  Jan Hubicka  <jh@suse.cz>
100             Jim Wilson  <wilson@tuliptree.org>
101             Andreas Tobler <andreast@gcc.gnu.org>
102
103         PR middle-end/35781
104         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
105         rtl.emit instead cfun->emit.
106         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
107         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
108
109 2008-04-01  Ben Elliston  <bje@au.ibm.com>
110
111         * doc/c-tree.texi (Function Basics): Fix grammatical error.
112
113 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
114
115         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
116         New options
117         (fprofile-use): Add var flag_profile_use
118         * coverage.c (coverage_begin_output): Do not open a gcno file for output
119         only if -ftest-coverage is set.
120         Do not add getpwd() to gcda file path.
121         (build_gcov_info): Check the new flag 
122         flag_profile_datafile_relative_path.
123         (coverage_init): Use profile_data_prefix.
124         Read profile counter only if flag_profile_use is set.
125         * opts.c (common_handle_option): New option fprofile-use=,
126         fprofile-dir=, fprofile-generate=.
127         * toplev.c (profile_data_prefix): New variable definition.
128         * toplev.h (profile_data_prefix): New declaration.
129         * doc/invoke.tex (Option Summary, Optimization Options):
130         Add new options.
131
132 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
133
134         * varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
135         consistently.
136
137         PR target/35695
138         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
139         * config/ia64/ia64.c (rtx_needs_barrier): Handle
140         UNSPEC_FR_RECIP_APPROX_RES.
141         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
142
143 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
144
145         PR c/35750
146         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
147
148 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
149
150         PR middle-end/30186
151         * fold-const.c (fold_indirect_ref_1): Support accessing non first
152         element of the vector via a pointer.
153
154 2008-03-31  Ian Lance Taylor  <iant@google.com>
155
156         * tlink.c (scan_linker_output): Look for symbol name in single
157         quotes.
158
159 2008-03-31  Jan Hubicka  <jh@suse.cz>
160
161         * builtins.c (expand_builtin_setjmp_receiver): Update call of
162         get_arg_pointer_save_area.
163         * expr.c (init_expr): Just clear out rtl.expr.
164         * function.c (free_after_compilation): Clear out whole RTL structure.
165         (get_func_frame_size): Merge into ...
166         (get_frame_size): ... this one.
167         (assign_stack_local_1): Merge into ...
168         (assign_stack_local): ... this one.
169         (expand_function_end): Update call of get_arg_pointer_save_area.
170         (get_art_pointer_save_area): Remove cfun argument.
171         * function.h (emit_status): regno_pointer_align does not need length
172         attribute. Move x_regno_reg_rtx to ...
173         (regno_reg_rtx): ... new global array.
174         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
175         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
176         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
177         (struct varasm_status): Move here from varasm.c
178         (struct rtl_data): New. Move here some fields from struct function.
179         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
180         frame_offset, stack_check_probe_note, arg_pointer_save_area,
181         used_temp_slots avail_temp_slots, temp_slot_level,
182         nonlocal_goto_handler_labels): Update accesstors.
183         (rtl): New global variable.
184         (struct function): Move some fileds to rtl_data.
185         (get_arg_pointer_save_area): Update prototype.
186         * emit-rtl.c (rtl): Declare.
187         (regno_reg_rtx): Declare.
188         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
189         (gen_reg_rtx): Update.
190         (init_virtual_regs): Do not tate emit_status argument.
191         (init_emit): Do not allocate emit.
192         * varasm.c (varasm_statuc): Move to function.h.
193         (n_deferred_constatns): Update accestor.
194         (init_varasm_status): Do not allocate varasm_status.
195         (force_const_mem, get_pool_size, output_constant_pool): Update.
196         * stmt.c (force_label_rtx): Do not use x_ prefixes.
197         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
198
199 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
200
201         PR rtl-optimization/35729
202         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
203         references.
204
205 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
206
207         PR target/32000
208         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
209         load/store if memory is unaligned.
210         (*movti_rex64): Likewise.
211
212         * config/i386/predicates.md (misaligned_operand): New.
213
214 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
215
216         PR tree-opt/35431
217         * tree-ssa-phiopt.c (conditional_replacement): Return early for
218         complex types.
219
220 2008-03-31  Jan Beulich  <jbeulich@novell.com>
221
222         * config/ia64/constraints.md: Add 'j' constraint.
223         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
224         (movdi_internal): Likewise.
225
226 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
227
228         PR c/35748
229         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
230
231 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
232
233         PR target/35757
234         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
235         proper error message for the third argument on blendpd and
236         blendps.
237
238         * config/i386/sse.md (blendbits): New.
239         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
240
241 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
242
243         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
244
245 2008-03-30  Richard Guenther  <rguenther@suse.de>
246
247         PR middle-end/31023
248         * fold-const.c (fold_sign_changed_comparison): Do leave
249         conversions to base-types alone.
250
251 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
252
253         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
254         the link register if one altivec register is be saved.
255
256 2008-03-30  Ben Elliston  <bje@au.ibm.com>
257
258         * final.c (final_scan_insn): Remove if (0) code.
259
260 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
261
262         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
263
264 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
265
266         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
267         of V4SFmode to ix86_binary_operator_ok.
268
269 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
270
271         * config/i386/i386.c (override_options): Initialize
272         ix86_veclib_handler to ix86_veclibabi_svml when
273         -mveclibabi=svml is used.
274         (ix86_veclibabi_svml): New function for SVML ABI style
275         vectorization support.
276         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
277
278 2008-03-28  Rafael Espindola  <espindola@google.com>
279
280         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
281         (tree_binary_nonnegative_warnv_p): Make it public.
282         (tree_single_nonnegative_warnv_p): Make it public.
283         (tree_invalid_nonnegative_warnv_p): Make it public.
284         (tree_unary_nonzero_warnv_p): Make it public.
285         (tree_binary_nonzero_warnv_p): Make it public
286         (tree_single_nonzero_warnv_p): Make it public.
287         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
288         (extract_range_from_binary_expr): Split the expr argument.
289         (extract_range_from_unary_expr): Split the expr argument.
290         (extract_range_from_comparison): Split the expr argument.
291         (extract_range_from_expr): Use the new aux functions.
292         (vrp_evaluate_conditional_warnv): Use
293         vrp_evaluate_conditional_warnv_with_ops.
294         * tree.h (tree_unary_nonzero_warnv_p): Declare.
295         (tree_binary_nonzero_warnv_p): Declare.
296         (tree_single_nonzero_warnv_p): Declare.
297         (tree_expr_nonzero_warnv_p): Declare.
298         (tree_unary_nonnegative_warnv_p): Declare.
299         (tree_binary_nonnegative_warnv_p): Declare.
300         (tree_single_nonnegative_warnv_p): Declare.
301         (tree_invalid_nonnegative_warnv_p): Declare.
302
303 2008-03-28  Richard Guenther  <rguenther@suse.de>
304
305         PR tree-optimization/30317
306         PR tree-optimization/30911
307         PR tree-optimization/34793
308         * tree-vrp.c (set_and_canonicalize_value_range): New function.
309         (struct assert_locus_d): New member EXPR.
310         (register_new_assert_for): Add EXPR parameter to support
311         ASSERT_EXPR <name, expr OP limit>.
312         (register_edge_assert_for_1): Adjust callers.
313         (find_assert_locations): Likewise.
314         (process_assert_insertions_for): Build condition from expression.
315         (extract_range_from_assert): Handle ASSERT_EXPRs
316         of the form ASSERT_EXPR <name, expr OP limit>.
317         (register_edge_assert_for_2): New helper registering
318         asserts for comparisons.  Recognize range tests of the form
319         (unsigned)i - CST1 OP CST2.
320         (register_edge_assert_for_1): Use it.
321         (register_edge_assert_for): Likewise.
322         (needs_overflow_infinity): Integer sub-types
323         do not need overflow infinities.
324         (vrp_val_is_max): The extreme values of integer sub-types
325         are those of the base type.
326         (vrp_val_is_min): Likewise.
327         * tree.def (ASSERT_EXPR): Document extra allowed conditional
328         expressions.
329
330 2008-03-28  Nick Clifton  <nickc@redhat.com>
331
332         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
333         Return GENERAL_REGS for stack adjustment reloads.
334
335 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
336
337         PR target/31334
338         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
339         const_vector when all the vectors are constant.
340
341 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
342
343         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
344         comparisons.
345         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
346         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
347         (scc_sf): New.
348         (s<code>_sf): Use new scc_sf attribute for opcode names.
349
350 2008-03-27  Tom Tromey  <tromey@redhat.com>
351
352         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
353         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
354         config/spu/t-spu-elf, config/i386/t-interix,
355         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
356         config/i386/x-darwin, config/i386/x-mingw32,
357         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
358         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
359         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
360         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
361         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
362         config/rs6000/x-darwin, config/rs6000/t-rs6000,
363         config/score/t-score-elf, config/arm/t-strongarm-pe,
364         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
365         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
366         Revert automatic dependency patch.
367
368 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
369
370         PR target/35657
371         * config/i386/i386.c (ix86_function_arg_boundary): Align
372         decimal floating point to its natural boundary.
373
374 2008-03-27  Richard Guenther  <rguenther@suse.de>
375
376         PR middle-end/35716
377         * fold-const.c (fold_comparison): Restrict distinct decl
378         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
379         solely rely on operand_equal_p.
380
381 2008-03-27  Richard Guenther  <rguenther@suse.de>
382
383         PR c/32511
384         * c-common.c (handle_weak_attribute): Reject combination of
385         weak and inline.
386
387 2008-03-27  Richard Guenther  <rguenther@suse.de>
388
389         PR tree-optimization/32810
390         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
391         conversions from DECL_INITIAL.
392         (fold_const_aggregate_ref): Likewise from constructor elements.
393
394 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
395
396         * tree-affine.h (aff_combination_expand): Declare.
397         (get_inner_reference_aff): Likewise.
398         * tree-affine.c (aff_combination_expand): Split out from
399         tree_to_aff_combination_expand.
400         (get_inner_reference_aff): New function.
401         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
402         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
403         (struct lim_aux_data): sm_done field removed.
404         (mem_ref_loc_p, mem_ref_locs_p): New types.
405         (struct mem_ref): Added id, stored, accesses_in_loop,
406         indep_loop, dep_loop, indep_ref, dep_ref fields.
407         Removed is_stored, locs and next fields.
408         (memory_accesses): New variable.
409         (movement_possibility): Do not allow moving statements
410         that store to memory.
411         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
412         New functions.
413         (determine_max_movement): For statements with memory references,
414         find the outermost loop in that the reference is independent.
415         (move_computations_stmt): Mark the virtual operands for renaming.
416         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
417         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
418         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
419         add_vop_ref_mapping, create_vop_ref_mapping_loop,
420         create_vop_ref_mapping, analyze_memory_references,
421         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
422         get_all_locs_in_loop, ref_always_accessed_p,
423         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
424         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
425         store_motion_loop, store_motion): New functions.
426         (struct vop_to_refs_elt): New type.
427         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
428         memref_hash, memref_eq, hoist_memory_references): Rewritten.
429         (schedule_sm): Replaced by...
430         (execute_sm): ... this.
431         (determine_lsm_ref, hoist_memory_references,
432         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
433         find_more_ref_vops, free_mem_ref, free_mem_refs,
434         determine_lsm_loop, determine_lsm): Removed.
435         (tree_ssa_lim_finalize): Free data structures used by store motion.
436         (tree_ssa_lim): Call analyze_memory_references.  Use
437         store_motion instead of determine_lsm.
438
439 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
440
441         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
442         rename tmake_file to m68hc11/t-m68hc11.
443         (mcore): Set inhibit_libc to true.
444         * config.host (alpha*-dec-*vms*): Set extra_programs.
445         (interix3*): Don't use host_xmake_file.
446         * configure.ac: Let config.gcc override inhibit_libc.
447         * configure: Regenerate.
448
449         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
450         * config/t-openbsd-thread: Remove commented out lines.
451         
452         * config/x-interix: Remove.
453
454         * config/m68hc11/t-m68hc11-gas: Rename to...
455         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
456
457         * config/mcore/t-mcore: Remove T_CFLAGS.
458         * config/mcore/t-mcore-pe: Likewise.
459
460 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
461
462         * configure.ac: Replace custom __GNU_SOURCE test with
463         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
464         * aclocal.m4: Regenerate.
465         * configure: Regenerate.
466         * config.in: Regenerate.
467
468 2008-03-27  Richard Guenther  <rguenther@suse.de>
469
470         * fold-const.c (target.h): Include.
471         (fold_comparison): Fold comparison of addresses of decls
472         that bind locally or of constants.  Consolidate address folding code.
473         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
474         results from fold_binary_to_constant.
475         (compare_values_warnv): Likewise.
476
477 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
478
479         PR middle-end/35429
480         * fold-const.c (fold_truthop): Check for integeral types when folding
481         a == 0 && b == 0 and a != 0 || b != 0 .
482
483 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
484
485         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
486
487 2008-03-26  Andreas Schwab  <schwab@suse.de>
488
489         * doc/invoke.texi: Fix use of @item vs. @itemx.
490
491 2008-03-26  Tom Tromey  <tromey@redhat.com>
492
493         * Makefile.in (build/gensupport.o, build/print-rtl.o,
494         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
495         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
496         build/gencodes.o, build/genconditions.o, build/genconfig.o,
497         build/genconstants.o, build/genemit.o, build/genextract.o,
498         build/genflags.o, build/genmddeps.o, build/genopinit.o,
499         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
500         options.h.
501
502 2008-03-26  Richard Guenther  <rguenther@suse.de>
503
504         Revert
505         2008-03-26  Richard Guenther  <rguenther@suse.de>
506
507         * fold-const.c (target.h): Include.
508         (fold_comparison): Fold comparison of addresses of two decls
509         that bind locally.  Consolidate address folding code.
510
511 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
512
513         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
514         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
515         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
516         dconstsqrt2, dconstthird, dconste and/or dconst10.
517         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
518         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
519         dconstsqrt2, dconste): Delete.
520         (init_emit_once): Likewise.  Simplify initializing dconstm1.
521         Constify variable.
522         * real.c (get_real_const): New.
523         * real.h (dconst3, dconst10, dconstm2, dconstthird,
524         dconstsqrt2, dconste): Delete.
525         (real_value_const, get_real_const): New.
526
527 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
528
529         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
530
531         * config/i386/i386.c (ix86_function_arg_boundary): Check
532         BIGGEST_ALIGNMENT instead of 128.
533         (setup_incoming_varargs_64): Likewise.
534
535 2008-03-26  Tom Tromey  <tromey@redhat.com>
536
537         * Makefile.in (DEPFILES): Add missing '/'.
538
539 2008-03-26  Richard Guenther  <rguenther@suse.de>
540
541         * fold-const.c (target.h): Include.
542         (fold_comparison): Fold comparison of addresses of two decls
543         that bind locally.  Consolidate address folding code.
544
545 2008-03-26  Nick Clifton  <nickc@redhat.com>
546
547         PR target/31232
548         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
549         not allow INT+INT as a legitimate addressing mode.
550
551 2008-03-26  Richard Guenther  <rguenther@suse.de>
552
553         * tree-flow.h (widen_bitfield): Remove declaration.
554         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
555         (widen_bitfield): Remove function.
556         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
557         code.
558
559 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
560
561         PR target/31558
562         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
563         error_mark_node's.
564
565 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
566
567         PR rtl-optimization/35232
568         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
569         (forget_old_reloads_1, forget_marked_reloads): Don't clear
570         reg_reloaded_call_part_clobbered here.
571         (reload_regs_reach_end_p): New function.
572         (reload_reg_rtx_for_input): New variable.
573         (reload_reg_rtx_for_output): Likewise.
574         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
575         when reassigning a pseudo register.  Load reloadreg from 
576         reload_reg_rtx_for_input, moving the mode and register
577         calculation to...
578         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
579         instead of the original when deciding whether an input reload
580         would be a no-op or whether an output reload can be deleted.
581         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
582         when setting up new_spill_reg_store.  Load it from
583         reload_reg_rtx_for_output, moving the mode and register
584         calculation to...
585         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
586         instead of the original when deciding whether an output reload
587         would be a no-op.  Do the same when modifying insn notes.
588         Use rtx_equal_p instead of == to compare the registers.
589         (inherit_piecemeal_p): Take a mode and two register numbers
590         as argument.
591         (emit_reload_insns): Clear new_spill_reg_store for every hard
592         register in the reload register.  Remove spill registers
593         from reg_reloaded_valid before considering whether to record
594         inheritance information for them.  Use reload_reg_rtx_for_output
595         instead of reg_rtx when recording output reloads.  Use
596         reload_reg_rtx_for_input instead of reg_rtx when recording
597         input reloads.  Set or clear reg_reloaded_call_part_clobbered
598         at the same time as setting reg_reloaded_valid.
599         (delete_output_reload): Add a new_reload_reg parameter and use it
600         instead of rld[j].reg_rtx.
601         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
602         calls accordingly.
603
604 2008-03-25  Tom Tromey  <tromey@redhat.com>
605
606         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
607         (build/genattr.o): Likewise.
608         (build/genattrtab.o): Likewise.
609         (build/gencodes.o): Likewise.
610         (build/genconfig.o): Likewise.
611         (build/genconstants.o): Likewise.
612         (build/genemit.o): Likewise.
613         (build/genextract.o): Likewise.
614         (build/genflags.o): Likewise.
615
616 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
617         
618         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
619         instead of size_int for integer types.
620         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
621         to match type of MINUS_EXPR.
622         
623 2008-03-25  Tom Tromey  <tromey@redhat.com>
624
625         * configure: Rebuilt.
626         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
627         Makefile.
628
629 2008-03-25  Tom Tromey  <tromey@redhat.com>
630
631         * config/x-solaris (host-solaris.o): Update.
632         * config/x-linux (host-linux.o): Update.
633         * config/x-hpux (host-hpux.o): Update.
634         * config/x-darwin (host-darwin.o): Update.
635         * config/v850/t-v850e (v850-c.o): Update.
636         * config/v850/t-v850 (v850-c.o): Update.
637         * config/t-vxworks (vxworks.o): Update.
638         * config/t-sol2 (sol2-c.o, sol2.o): Update.
639         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
640         * config/spu/t-spu-elf (spu-c.o): Update.
641         (spu.o): Remove.
642         * config/sh/t-symbian (sh-c.o): Update.
643         (symbian.o): Update.
644         * config/sh/t-sh (sh-c.o): Update.
645         * config/score/t-score-elf (score7.o, score3.o): Update.
646         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
647         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
648         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
649         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
650         (rs6000.o): Remove.
651         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
652         * config/m32c/t-m32c (m32c-pragma.o): Update.
653         * config/ia64/t-ia64 (ia64-c.o): Update.
654         * config/i386/x-mingw32 (host-mingw32.o): Update.
655         * config/i386/x-i386 (driver-i386.o): Update.
656         * config/i386/x-darwin (host-i386-darwin.o): Update.
657         * config/i386/x-cygwin (host-cygwin.o): Update.
658         * config/i386/t-nwld (nwld.o): Update.
659         * config/i386/t-netware (netware.o): Update.
660         * config/i386/t-interix (winnt.o): Update.
661         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
662         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
663         msformat-c.o): Update.
664         * config/bfin/t-bfin-linux (generated_files): Add
665         linux-sysroot-suffix.h.
666         * config/arm/t-wince-pe (pe.o): Update.
667         * config/arm/t-strongarm-pe (pe.o): Update.
668         * config/arm/t-pe (pe.o): Update.
669         * config/arm/t-arm (arm-c.o): Update.
670         * doc/install.texi (Prerequisites): Require make 3.80.
671         * Makefile.in: Remove .o targets.
672         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
673         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
674         (simple_generated_h, simple_generated_c): Move earlier.
675         (generated_files): New variable.
676         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
677         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
678         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
679         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
680         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
681         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
682         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
683         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
684         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
685         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
686         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
687         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
688         (.c.o): Remove.
689         (COMPILE.base, COMPILE): New variables.
690         (%.o): New pattern rule.
691         (ALL_HOST_OBJS): New variable.
692         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
693         (dummy-checksum.o, cc1-checksum.o): Remove.
694         (DRIVER_SHLIB): New variable.
695         (DRIVER_DEFINES): Use it.
696         (gencondmd.c): Move out of build/.
697         (s-conditions): Update.
698         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
699         (ALL_BUILD_OBJS): Likewise.
700         (build/%.o): Use BUILDCOMPILE.
701         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
702         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
703         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
704         build/gencheck.o, build/gencodes.o, build/genconditions.o,
705         build/genconfig.o, build/genconstants.o, build/genemit.o,
706         build/genextract.o, build/genflags.o, build/genmddeps.o,
707         build/genopinit.o, build/genoutput.o, build/genpeep.o,
708         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
709         build/gen-protos.o, build/scan.o, build/fix-header.o,
710         build/scan-decls.o): Simplify.
711         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
712         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
713         prefix.o, toplev.o): Reduce to variable setting.
714         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
715         ($(out_object_file), gcc-options.o): New targets.
716         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
717         * configure: Rebuilt.
718         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
719         * doc/sourcebuild.texi (Front End Directory): Document new variable.
720
721 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
722
723         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
724         complain when we hit an error, return ERROR_MARK_NODE.
725
726 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
727
728         * config/sh/constraints.md (Pso, Psz): New constraints.
729         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
730         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
731
732 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
733
734         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
735         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
736
737 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
738
739         * config/sh/sh.md (prefetch): Add condition for SH2A target.
740         (prefetch_sh2a): New.   
741
742 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
743             Naveen.H.S  <naveen.hs@kpitcummins.com>
744
745         * config/sh/constraints.md (I28): New constraint.
746         * config/sh/sh.c (broken_move): Add support for movi20s.
747         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
748
749 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
750             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
751             Naveen.H.S  <naveen.hs@kpitcummins.com>
752
753         * config/sh/sh.c (SH_ATTRIBUTES): Define.
754         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
755         (print_operand): Handle resbank in %@ operand code.
756         (sh_encode_section_info): New.
757         (push_regs): Add conditions for resbank.
758         (sh_expand_epilogue): Likewise.
759         (sh_insert_attributes): Likewise.
760         (sh_attribute_table): Likewise.
761         (sh_handle_resbank_handler_attribute): New.
762         (sh2a_handle_function_vector_handler_attribute): New.
763         (sh2a_is_function_vector_call): New.
764         (sh2a_get_function_vector_number): New.
765         (sh2a_function_vector_p): New.
766         (sh_cfun_resbank_handler_p): New.
767         * config/sh/sh.md (calli): Emit jsr/n if possible.
768         (calli_tbr_rel): New.
769         (calli_pcrel): Emit jsr/n if possible.
770         (return_i): Emit rts/n if possible.
771         (call_valuei_tbr_rel): New.
772         (call_valuei_pcrel): Add condition for SH2A target.
773         (call_value): Likewise.
774         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
775         (sh2a_get_function_vector_number): Likewise.
776         (sh2a_is_function_vector_call): Likewise.
777         * doc/extend.texi: Document TBR relative addressing of SH2A.
778         (resbank): Add description for SH2A.
779
780 2008-03-24  Richard Guenther  <rguenther@suse.de>
781
782         PR c/22371
783         * gimplify.c (gimplify_modify_expr): For frontend type-correct
784         pointer assignments change conversions according to middle-end rules.
785         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
786         * configure.ac: Include type checking in yes.
787         * configure: Regenerate.
788
789 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
790
791         * diagnostic.c (diagnostic_count_diagnostic): Delete.
792         (diagnostic_report_diagnostic): Update. Handle ICEs here.
793         
794 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
795
796         * gthr-vxworks.h (UNUSED): Define.
797
798 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
799
800         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
801
802 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
803
804         * doc/extend.texi (Function Attributes): Add missing comma in the
805         example of the "alloc_size" attribute.
806         
807 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
808
809         Revert:
810         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
811
812         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
813         32bit host.
814
815         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
816
817         PR target/35496
818         * stor-layout.c (update_alignment_for_field): Set minimum alignment
819         of the underlying type of a MS bitfield layout to the natural
820         alignment of the type.
821
822         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
823
824         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
825         to their natural alignment to avoid store forwarding stalls.
826
827 2008-03-22  Richard Guenther  <rguenther@suse.de>
828
829         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
830         For PHI nodes verify the address is invariant.
831         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
832         (get_symbol_constant_value): Use is_gimple_min_invariant.
833         (maybe_fold_stmt_indirect): Likewise.
834
835 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
836
837         PR rtl-optimization/33927
838         * Makefile.in (dse.o): Depend on $(TM_P_H).
839         * expr.h (extract_low_bits): Declare.
840         * expmed.c (extract_low_bits): New function.
841         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
842         * dse.c: Include tm_p.h.
843         (find_shift_sequence): Remove the read_reg argument and return the
844         read value.  Emit the instructions instead of returning them.
845         Iterate on new_mode rather than calculating it each time.
846         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
847         source to NEW_MODE and extract_low_bits to convert the shifted
848         value to READ_MODE.
849         (replace_read): Allow the load and store to have different mode
850         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
851         or extraction instructions before trying the replacement.  Update
852         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
853
854 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
855
856         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
857         to their natural alignment to avoid store forwarding stalls.
858
859 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
860
861         PR target/27946
862         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
863         encouraging but not allowing gprs for input;
864         change the input constraint to !f#r.
865         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
866         gprs for output;
867         change the output constraint to !f#r.
868
869 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
870
871         PR target/13958
872         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
873         corresponding post-reload splitters.
874         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
875         when x87 FP math is selected.
876         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
877         New function prototype.
878         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
879         unreachable function to ease macroization of insn patterns.
880
881 2008-03-21  Martin Jambor  <mjambor@suse.cz>
882
883         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
884         reference dumps if ddr is NULL or dependence is unknown.
885
886 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
887
888         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
889         unsigned extension into account.
890         (ATOMIC_COMPARE_AND_SWAP): Likewise.
891         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
892         Do computations on a scratch register.
893
894 2008-03-21  Richard Guenther  <rguenther@suse.de>
895
896         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
897         Use is_gimple_min_invariant instead of TREE_INVARIANT.
898         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
899         * tree-ssa-dom.c (record_equality): Likewise.
900         * tree-inline.c (copy_body_r): Likewise.
901         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
902         TREE_INVARIANT.
903
904 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
905
906         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
907         as 'delete_unused' argument.
908
909 2008-03-20  Richard Guenther  <rguenther@suse.de>
910
911         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
912         special casing of constant qualifiers.
913         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
914         care about them in general.
915         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
916         regardless of their type.
917         (fold_stmt_r): Forcefully fold *& if we end up with that.
918
919 2008-03-20  Paul Brook  <paul@codesourcery.com>
920
921         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
922         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
923         linker flags.
924         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
925         definition.
926         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
927         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
928
929 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
930
931         * common.opt (Wmudflap): New option.
932         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
933         (mx_register_decls): Likewise.
934         (mudflap_finish_file): Likewise.
935         * doc/invoke.texi: Document -Wno-mudflap.
936
937 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
938
939         * c-format.c (replace_format_name_to_system_name): New.
940         (cmp_attribs): New.
941         (convert_format_name_to_system_name): New.
942         (decode_format_attr): Add use of convert_format_name_to_system_name.
943         (format_types_orig): Add gnu_ prefix to names.
944         (check_format_info_main): Special treating of \0 escaped names for
945         supporting multi-character format specifiers as I32, I64.
946         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
947         (gnu_target_overrides_format_attributes): New.
948         * c-format.h: Add structure target_ovr_attr to hold
949         system specific formatter names.
950         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
951         msformat-c.o file to c_target_objs and cxx_target_objs.
952         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
953         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
954         (TARGET_N_FORMAT_TYPES): New.
955         * config/i386/msformat-c.c: New.
956         * config/i386/t-cygming: Add build rule for msformat-c.o.
957         * doc/extend.texi: Add new format names gnu_* and ms_* and
958         further details.
959         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
960
961 2008-03-20  Ira Rosen  <irar@il.ibm.com>
962
963         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
964         optimizations turned on under -O3.
965         (ftree-vectorize): Add that the flag is turned on with -O3.
966
967 2008-03-20  Ben Elliston  <bje@au.ibm.com>
968
969         * regmove.c (try_auto_increment): Fix spelling error in comment.
970         * final.c (final_scan_insn): Likewise.
971
972 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
973
974         PR target/14552
975         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
976         allocator preferences for "y" and "r" class registers.
977         ("*mov<mode>_internal"): Ditto.
978         ("*movv2sf_internal_rex64"): Ditto.
979         ("*movv2sf_internal"): Ditto.
980
981 2008-03-19  Michael Matz  <matz@suse.de>
982
983         PR middle-end/35616
984         * calls.c (expand_call): Check overlap of arguments with call
985         address for sibcalls.
986
987 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
988
989         PR target/35496
990         * stor-layout.c (update_alignment_for_field): Set minimum alignment
991         of the underlying type of a MS bitfield layout to the natural
992         alignment of the type.
993
994 2008-03-19  Jan Hubicka  <jh@suse.cz>
995
996         PR other/35094
997         * toplev.c (decode_d_option): Handle all CPP flags.
998         * tree-vrp.c: Update tree_pass descriptors.
999         * regrename.c: Update tree_pass descriptors.
1000         * fwprop.c: Update tree_pass descriptors.
1001         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1002         * tree-into-ssa.c: Update tree_pass descriptors.
1003         * tree-dump.c: Update tree_pass descriptors.
1004         * tree-complex.c: Update tree_pass descriptors.
1005         * tree-dump.h: Update tree_pass descriptors.
1006         * see.c: Update tree_pass descriptors.
1007         * cgraphbuild.c: Update tree_pass descriptors.
1008         * tracer.c: Update tree_pass descriptors.
1009         * tree-loop-distribution.c: Update tree_pass descriptors.
1010         * cgraph.c: Update tree_pass descriptors.
1011         * postreload-gcse.c: Update tree_pass descriptors.
1012         * postreload.c: Update tree_pass descriptors.
1013         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1014         * tree-tailcall.c: Update tree_pass descriptors.
1015         * tree-pass.h (tree_opt_pass): Rename to ...
1016         (opt_pass) ... this one; add "type" field and remove letter field.
1017         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1018         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1019         all_lowering_passes): Update declaration.
1020         * ipa-cp.c: Update tree_pass descriptors.
1021         * final.c: Update tree_pass descriptors.
1022         * omp-low.c: Update tree_pass descriptors.
1023         * tree-ssa-dse.c: Update tree_pass descriptors.
1024         * ipa-reference.c: Update tree_pass descriptors.
1025         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1026         * auto-inc-dec.c: Update tree_pass descriptors.
1027         * reorg.c: Update tree_pass descriptors.
1028         * cgraphunit.c: Update tree_pass descriptors.
1029         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1030         * tree-ssa-ccp.c: Update tree_pass descriptors.
1031         * df-core.c: Update tree_pass descriptors.
1032         * mode-switching.c: Update tree_pass descriptors.
1033         * tree-nomudflap.c: Update tree_pass descriptors.
1034         * modulo-sched.c: Update tree_pass descriptors.
1035         * ipa-pure-const.c: Update tree_pass descriptors.
1036         * cse.c: Update tree_pass descriptors.
1037         * web.c: Update tree_pass descriptors.
1038         * tree-stdarg.c: Update tree_pass descriptors.
1039         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1040         * tree-ssa-dom.c: Update tree_pass descriptors.
1041         * tree-nrv.c: Update tree_pass descriptors.
1042         * tree-ssa-alias.c: Update tree_pass descriptors.
1043         * loop-init.c: Update tree_pass descriptors.
1044         * gimple-low.c: Update tree_pass descriptors.
1045         * ipa-inline.c: Update tree_pass descriptors.
1046         * tree-ssa-sink.c: Update tree_pass descriptors.
1047         * global.c: Update tree_pass descriptors.
1048         * ifcvt.c: Update tree_pass descriptors.
1049         * jump.c: Update tree_pass descriptors.
1050         * predict.c: Update tree_pass descriptors.
1051         * tree-ssa-loop.c: Update tree_pass descriptors.
1052         * recog.c: Update tree_pass descriptors.
1053         * dse.c: Update tree_pass descriptors.
1054         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1055         * tree-eh.c: Update tree_pass descriptors.
1056         * regmove.c: Update tree_pass descriptors.
1057         * local-alloc.c
1058         * function.c: Update tree_pass descriptors.
1059         * tree-vectorizer.c: Update tree_pass descriptors.
1060         * gcse.c: Update tree_pass descriptors.
1061         * ipa-type-escape.c: Update tree_pass descriptors.
1062         * tree-if-conv.c: Update tree_pass descriptors.
1063         * init-regs.c: Update tree_pass descriptors.
1064         * ipa.c: Update tree_pass descriptors.
1065         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1066         * rtl-factoring.c: Update tree_pass descriptors.
1067         * lower-subreg.c: Update tree_pass descriptors.
1068         * bt-load.c: Update tree_pass descriptors.
1069         * tree-dfa.c: Update tree_pass descriptors.
1070         * except.c: Update tree_pass descriptors.
1071         * emit-rtl.c: Update tree_pass descriptors.
1072         * cfgexpand.c: Update tree_pass descriptors.
1073         * tree-cfgcleanup.c: Update tree_pass descriptors.
1074         * cfgcleanup.c: Update tree_pass descriptors.
1075         * tree-ssa-pre.c: Update tree_pass descriptors.
1076         * tree-sra.c: Update tree_pass descriptors.
1077         * tree-mudflap.c: Update tree_pass descriptors.
1078         * tree-ssa-copy.c: Update tree_pass descriptors.
1079         * cfglayout.c: Update tree_pass descriptors.
1080         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1081         * tree-ssa-dce.c: Update tree_pass descriptors.
1082         * tree-ssa.c: Update tree_pass descriptors.
1083         * regclass.c: Update tree_pass descriptors.
1084         * integrate.c: Update tree_pass descriptors.
1085         * tree-optimize.c: Update tree_pass descriptors.
1086         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1087         * tree-object-size.c: Update tree_pass descriptors.
1088         * combine.c: Update tree_pass descriptors.
1089         * tree-outof-ssa.c: Update tree_pass descriptors.
1090         * bb-reorder.c: Update tree_pass descriptors.
1091         * stack-ptr-mod.c: Update tree_pass descriptors.
1092         * var-tracking.c: Update tree_pass descriptors.
1093         * tree-profile.c: Update tree_pass descriptors.
1094         * tree-vect-generic.c: Update tree_pass descriptors.
1095         * reg-stack.c: Update tree_pass descriptors.
1096         * sched-rgn.c: Update tree_pass descriptors.
1097         * tree-ssa-structalias.c: Update tree_pass descriptors.
1098         * tree-cfg.c: Update tree_pass descriptors.
1099         * passes.c (current_pass): Update declaration.
1100         (finish_optimization_passes): Update.
1101         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1102         (register_one_dump_file, register_dump_files_1, next_pass_1):
1103         Update arguments.
1104         (init_optimization_passes): Update handling of new types.
1105         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1106         * ipa-struct-reorg.c: Update tree_pass descriptors.
1107         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1108         * combine-stack-adj.c: Update tree_pass descriptors.
1109         * cfgrtl.c: Update tree_pass descriptors.
1110         * dce.c: Update tree_pass descriptors.
1111         * tree-ssanames.c: Update tree_pass descriptors.
1112
1113 2008-03-19  Richard Guenther  <rguenther@suse.de>
1114
1115         PR middle-end/35609
1116         * tree-ssa.c (walk_data): New structure.
1117         (warn_uninitialized_var): If not always_executed warn with "maybe"
1118         instead of "is".
1119         (execute_early_warn_uninitialized): Compute post-dominators.
1120         Initialize always_executed before processing each basic block.
1121
1122 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1123
1124         PR target/35504
1125         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1126         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1127
1128 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1129
1130         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1131
1132 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1133
1134         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1135         is true.
1136         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1137         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1138         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1139         target after ignore has been set, and move there also the commputation
1140         of subtarget and original_target.
1141         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1142         (LANG_HOOKS_INITIALIZER): Remove it.
1143         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1144
1145 2008-03-18  Richard Guenther  <rguenther@suse.de>
1146
1147         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1148         found an expression with constants, note that in the VN for the lhs.
1149         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1150         fold them to constants if possible.  Run cleanup_cfg if done so.
1151         (execute_pre): Return todo.
1152         (do_pre): Likewise.
1153         (execute_fre): Likewise.
1154         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1155         of constants.
1156         (get_prop_source_stmt): Look through pointer conversions.
1157
1158 2008-03-18  Jan Hubicka  <jh@suse.cz>
1159
1160         * tree-pretty-print.c: Include predict.h.
1161         (dump_generic_node): Dump predictor.
1162         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1163         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1164         * gimple-low.c (lower_stmt): Likewise.
1165         * expr.c (expand_expr_real): Likewise.
1166         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1167         them.
1168         (build_predict_expr, build_predict_expr): New.
1169         * predict.h (predictor_name, build_predict_expr): Update.
1170         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1171         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1172         * predict.def (PRED_CONTINUE): Update hitrate.
1173         * tree.def (PREDICT_EXPR): Define.
1174         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1175         do not handle BIND_EXPR.
1176         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1177         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1178         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1179         operands.
1180
1181 2008-03-18  Michael Matz  <matz@suse.de>
1182
1183         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1184
1185 2008-03-18  Richard Guenther  <rguenther@suse.de>
1186
1187         * tree-gimple.h (is_gimple_invariant_address): Declare.
1188         (is_gimple_constant): Likewise.
1189         * tree-gimple.c (is_gimple_constant): New function.
1190         (is_gimple_invariant_address): Likewise.
1191         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1192         and is_gimple_invariant_address.
1193         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1194         previous change.
1195         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1196         an addressable base.
1197
1198 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1199
1200         PR middle-end/35611
1201         * gimplify.c (gimplify_expr): Gimplify second operand of
1202         OMP_ATOMIC_LOAD.
1203
1204 2008-03-17  Richard Guenther  <rguenther@suse.de>
1205
1206         PR tree-optimization/19637
1207         * fold-const.c (fold_unary): Remove restrictions of removing
1208         intermediate pointer-conversions (P2)(P1)P0.
1209         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1210         conversion to void pointer.
1211         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1212
1213 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1214
1215         PR debug/31510
1216         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1217         emulated thread local variables.
1218
1219 2008-03-16  Richard Guenther  <rguenther@suse.de>
1220
1221         PR middle-end/35607
1222         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1223         expand TREE_INVARIANT operations that are not gimple invariant.
1224
1225 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1226
1227         * doc/extend.texi (Alignment): Say that the ABI controls
1228         the __alignof__ for non-strict-alignment targets rather
1229         than being a recommendation.
1230
1231 2008-03-15  Paul Brook  <paul@codesourcery.com>
1232
1233         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1234         annotations.
1235         (arm_output_fn_unwind): Mark functions that can not be unwound.
1236
1237 2008-03-15  Paul Brook  <paul@codesourcery.com>
1238
1239         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1240         extension instructions.
1241
1242 2008-03-15  Richard Guenther  <rguenther@suse.de>
1243
1244         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1245         and fold constant aggregate refs.
1246         (fold_const_aggregate_ref): Handle string constants
1247         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1248         (evaluate_stmt): Simplify now that ccp_fold folds constant
1249         aggregate refs.
1250
1251 2008-03-15  Paul Brook  <paul@codesourcery.com>
1252
1253         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1254         (extzv): Use gen_extzv_t2.
1255         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1256
1257 2008-03-15  Richard Guenther  <rguenther@suse.de>
1258
1259         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1260         (fold_const_aggregate_ref): Likewise.
1261         (get_value): Return NULL if we don't have any values.
1262         (ccp_finalize): Set const_val to NULL after freeing it.
1263         * tree-flow.h (get_symbol_constant_value): Declare.
1264         (fold_const_aggregate_ref): Likewise.
1265         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1266
1267 2008-03-15  Richard Guenther  <rguenther@suse.de>
1268
1269         PR middle-end/35593
1270         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1271         to not produce negative array indices if not allowed.  Add
1272         parameter to indicate that.
1273         (maybe_fold_offset_to_component_ref): Allow negative array
1274         indices only for the first member of a structure.
1275         (maybe_fold_offset_to_reference): Allow negative array indices.
1276         (maybe_fold_stmt_addition): Likewise.
1277
1278 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1279             Anatoly Sokolov <aesok@post.ru>
1280
1281         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1282         (avr_arch): Add ARCH_AVR6.
1283         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1284         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1285         instead of fixed value 2.
1286         (print_operand_address): Use gs() asm specifier instead of pm().
1287         (avr_assemble_integer): (Ditto.).
1288         (avr_output_addr_vec_elt): (Ditto.).
1289         (print_operand): Handle "!" code.
1290         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1291         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1292         (AVR_HAVE_EIJMP_EICALL): Define.
1293         (AVR_3_BYTE_PC): Redefine.
1294         (AVR_2_BYTE_PC): (Ditto.).
1295         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1296         (LINK_SPEC): Add atmega2560 and atmega2561.
1297         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1298         (crtm2561.o).
1299         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1300         for 3 byte PC devices.
1301         (call_value_insn): (Ditto.).
1302         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1303         (indirect_jump): Use only for for 2 byte PC devices.
1304         (*tablejump): (Ditto.).
1305         (*indirect_jump_avr6): Add insn.
1306         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1307         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1308         instead of ijmp for 3 byte PC devices.
1309         (__tablejump2__): (Ditto.).
1310         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1311         (MULITLIB_DIRNAMES): (Ditto.). 
1312         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1313
1314 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1315
1316         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1317         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1318         ("mmx_psadbw"): Use V1DI mode for operand 0.
1319         * config/i386/i386-modes.def (V1SI): New vector mode.
1320         * config/i386/i386.c (struct builtin_description)
1321         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1322         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1323         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1324         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1325         v1di_ftype_v8qi_v8qi type.
1326         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1327
1328         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1329         __builtin_ia32_pmuludq]: Fix the mode of return value.
1330
1331 2008-03-15  Richard Guenther  <rguenther@suse.de>
1332
1333         PR middle-end/35595
1334         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1335         being a PHI_NODE.
1336
1337 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1338         
1339         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1340         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1341         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1342         unless TARGET_SERIALIZE_VOLATILE is enabled.
1343         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1344         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1345         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1346
1347 2008-03-14  Richard Guenther  <rguenther@suse.de>
1348
1349         PR tree-optimization/34172
1350         * tree-flow.h (refs_may_alias_p): Declare.
1351         (get_single_def_stmt): Likewise.
1352         (get_single_def_stmt_from_phi): Likewise.
1353         (get_single_def_stmt_with_phi): Likewise.
1354         * tree-dfa.c (refs_may_alias_p): New function.
1355         (get_single_def_stmt): Likewise.
1356         (get_single_def_stmt_from_phi): Likewise.
1357         (get_single_def_stmt_with_phi): Likewise.
1358         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1359         (vn_reference_lookup_1): New helper function.
1360         (vn_reference_lookup): Walk the virtual use-def chain to
1361         continue searching for a match if the def does not alias the
1362         reference we are looking for.
1363
1364 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1365
1366         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1367         archive and Perzl.  Update The Written Word listing.
1368
1369 2008-03-14  Richard Guenther  <rguenther@suse.de>
1370
1371         PR tree-optimization/34043
1372         PR tree-optimization/33989
1373         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1374         when doing FRE.
1375         (bitmap_find_leader): Use extra argument to verify dominance
1376         relationship inside a basic-block.
1377         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1378         (find_leader_in_sets): Adjust.
1379         (create_component_ref_by_pieces): Take extra argument for
1380         dominance check, handle lookup failures.
1381         (find_or_generate_expression): Likewise.
1382         (create_expression_by_pieces): Likewise.
1383         (insert_into_preds_of_block): Adjust.
1384         (create_value_expr_from): If asked for, verify all operands
1385         are in the blocks AVAIL_OUT set.
1386         (make_values_for_stmt): Check for SSA_NAMEs that are life
1387         over an abnormal edge.
1388         (compute_avail): Remove such check.
1389         (do_SCCVN_insertion): New function.
1390         (eliminate): If we do not find a leader suitable for replacement
1391         insert a replacement expression from SCCVN if available.
1392         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1393         (struct vn_ssa_aux): Add needs_insertion flag.
1394         * tree-ssa-sccvn.c (may_insert): New global flag.
1395         (copy_reference_ops_from_ref): Value-number union member access
1396         based on its size, not type and member if insertion is allowed.
1397         (visit_reference_op_load): For a weak match from union type
1398         punning lookup a view-converted value and insert a SSA_NAME
1399         for that value if that is not found.
1400         (visit_use): Make dumps shorter.  Do not disallow value numbering
1401         SSA_NAMEs that are life over an abnormal edge to constants.
1402         (free_scc_vn): Release inserted SSA_NAMEs.
1403         (run_scc_vn): New flag to specify whether insertion is allowed.
1404         Process SSA_NAMEs in forward order.
1405         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1406         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1407         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1408         pointer type to/from integral types that do not change the
1409         precision to regular conversions.
1410
1411 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1412
1413         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1414         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1415         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1416         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1417         input arguments and the mode of return value.  Built-in functions
1418         that operate on whole 64-bit MMX register now use V1DI mode.
1419
1420 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1421             Olga Golovanevsky  <olga@il.ibm.com>
1422
1423         PR tree-optimization/35041
1424         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1425         to locate the right position in a statement.
1426
1427 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         PR target/34000
1430         PR target/35553
1431         * config/i386/xmmintrin.h:  Change all static inline functions to
1432         extern inline and add __gnu_inline__ attribute.
1433         * config/i386/bmintrin.h: Ditto.
1434         * config/i386/smmintrin.h: Ditto.
1435         * config/i386/tmmintrin.h: Ditto.
1436         * config/i386/mmintrin-common.h: Ditto.
1437         * config/i386/ammintrin.h: Ditto.
1438         * config/i386/emmintrin.h: Ditto.
1439         * config/i386/pmmintrin.h: Ditto.
1440         * config/i386/mmintrin.h: Ditto.
1441         * config/i386/mm3dnow.h: Ditto.
1442
1443 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR middle-end/35185
1446         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1447         (lower_omp_2): New function.
1448         (lower_omp_1, lower_omp): Rewritten.
1449
1450 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1451
1452         PR 35054
1453         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1454         with the phrase "Microsoft Windows compilers".
1455         (Push/Pop Macro Pragmas): New subsection. Document
1456         #pragma push_macro and pragma pop_macro.
1457
1458 2008-03-12  Paul Brook  <paul@codesourcery.com>
1459
1460         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1461
1462 2008-03-12  Paul Brook  <paul@codesourcery.com>
1463
1464         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1465         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1466         (thumb2_addsi_shortim): Rename ...
1467         (thumb2_addsi_short): ... to this.  Allow register operands.
1468         (thumb2_subsi_short): New pattern.
1469         (thumb2_one_cmplsi2_short,
1470         thumb2_negsi2_short): New patterns and peepholes.
1471
1472 2008-03-12  Paul Brook  <paul@codesourcery.com>
1473
1474         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1475
1476 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1477
1478         * config/i386/i386.md (int_cond): New code iterator.
1479         (fp_cond): Ditto.
1480         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1481         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1482         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1483         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1484         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1485         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1486         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1487         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1488
1489 2008-03-12  Paul Brook  <paul@codesourcery.com>
1490
1491         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1492         instead of {arm,thumb}_compute_save_reg_mask.
1493         (output_return_instruction): Ditto.
1494         (thumb_unexpanded_epilogue): Ditto.
1495         (thumb1_expand_prologue): Ditto.
1496         (thumb1_output_function_prologue): Ditto.
1497         (arm_set_return_address): Ditto.
1498         (thumb_set_return_address): Ditto.
1499         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1500         regs to achieve stack alignment.
1501         (thumb1_compute_save_reg_mask): Fix compiler warning.
1502         (arm_output_epilogue): Use offsets->saved_regs_mask.
1503         Adjust stack pointer by poping call clobered registers.
1504         (arm_expand_prologue): Use offsets->saved_regs_mask.
1505         Adjust stack pointer by pushing extra registers.
1506         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1507
1508 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1509
1510         PR tree-opt/35422
1511         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1512         conversion to the operands of a multiplication.
1513
1514 2008-03-12  Richard Guenther  <rguenther@suse.de>
1515
1516         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1517         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1518         * timevar.def (TV_TREE_PHIPROP): Add.
1519         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1520         pass description.  Use TV_TREE_PHIPROP.
1521         * tree-ssa-forwprop.c: Remove phiprop code.
1522
1523 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1524
1525         PR middle-end/35549
1526         * omp-low.c (maybe_lookup_decl): Constify first argument.
1527         (use_pointer_for_field): Change last argument from bool to
1528         omp_context *.  Disallow shared copy-in/out in nested
1529         parallel if decl is shared in outer parallel too.
1530         (build_outer_var_ref, scan_sharing_clauses,
1531         lower_rec_input_clauses, lower_copyprivate_clauses,
1532         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1533
1534 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1535             Ira Rosen  <irar@il.ibm.com>
1536
1537         * tree-vectorizer.c (free_stmt_vec_info): New function.
1538         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1539         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1540         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1541         * tree-vect-transform.c (vectorizable_conversion): Free
1542         vec_oprnds0 if it was allocated.
1543         (vect_permute_store_chain): Remove unused VECs.
1544         (vectorizable_store): Free VECs that are allocated in the..
1545         function.
1546         (vect_transform_strided_load, vectorizable_load): Likewise.
1547         (vect_remove_stores): Simplify the code.
1548         (vect_transform_loop): Move code to vect_remove_stores().
1549         Call vect_remove_stores() and free_stmt_vec_info().
1550
1551 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1552
1553         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1554         TARGET_HPUX.  Revise comment.
1555         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1556         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1557         Use sr4 variant of `be' instruction when not generating PIC code.
1558         (attr_length_call): Adjust for above change.
1559
1560 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1561
1562         * ipa-reference.c (static_execute): Remove module_statics_const and
1563         associated setting code.
1564
1565 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1566
1567         PR target/35540
1568         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1569         predicate for operand 1.
1570         (paritysi2_cmp): Use register_operand predicate for operand 2.
1571         Use earlyclobber modifier for operand 1.  Remove support for
1572         memory operands.
1573         (paritydi2_cmp): Use register_operand predicate for operand 3.
1574         Use earlyclobber modifier for operand 1.  Remove support for
1575         memory operands.
1576
1577 2008-03-11  Paul Brook  <paul@codesourcery.com>
1578             Vladimir Prus  <vladimir@codesourcery.com>
1579
1580         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1581         (arm_compute_save_reg0_reg12_mask): Always
1582         check if register 11 must be saved.  Always safe hard frame pointer
1583         when frame_pointer_needeed.
1584         (arm_compute_save_reg_mask): Save IP and PC
1585         only with apcs frames.
1586         (arm_output_epilogue): Adjust Thumb2 codepath to
1587         be also invoked and work for ARM non-apcs frames.
1588         (arm_expand_prologue): Don't bother saving IP
1589         for non-apcs frame, since it's not clobbered by
1590         prologue code.  Implement non-apcs frame
1591         layout.
1592
1593 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1594
1595         PR rtl-optimization/35281
1596         * expr.c (convert_move): Use a new pseudo for the intermediate
1597         from_mode->word_mode result.
1598
1599 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1600
1601         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1602         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1603         * toplev.c (compile_file): Don't call it.
1604
1605 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1606
1607         PR middle-end/35526
1608         * expr.c (store_expr): Call emit_block_move if the mode
1609         of "temp" RTX is BLKmode.
1610
1611 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1612             Richard Guenther  <rguenther@suse.de>
1613
1614         PR tree-optimization/31358
1615         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1616         the step with a NULL_TREE.
1617         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1618         to sizetype if type is a pointer type.
1619         (add_candidate_1): Don't convert the base and step to
1620         the generic type if the orginal type is a pointer type.
1621         (add_iv_value_candidates): Use sizetype for the step
1622         if type is a pointer type.
1623         (cand_value_at): Likewise.
1624         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1625         for pointer types.
1626         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1627         Don't convert the tem affine to the type.
1628         (add_elt_to_tree): Use sizetype for the step if a pointer.
1629         Use POINTER_PLUS_EXPR for pointers.
1630         (aff_combination_to_tree): Use sizetype for the step if a
1631         pointer.
1632
1633 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1634
1635         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1636         Remove commutativity hint.
1637
1638 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1639
1640         PR c/35438
1641         PR c/35439
1642         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1643         errorneous type.  Check that v is a VAR_DECL.
1644
1645         PR middle-end/35099
1646         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1647
1648 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1649
1650         PR tree-optimization/35494
1651         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1652         may be overriden at link and run time.
1653
1654 2008-03-10  Richard Guenther  <rguenther@suse.de>
1655
1656         PR tree-optimization/34677
1657         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1658         (poolify_tree): Likewise.
1659         (modify_expr_template): Likewise.
1660         (poolify_modify_stmt): Likewise.
1661         (insert_fake_stores): Handle all component-ref style stores
1662         in addition to INDIRECT_REF.  Also handle complex types.
1663         Do not poolify the inserted load.
1664         (realify_fake_stores): Do not rebuild the tree but only
1665         make it a SSA_NAME copy.
1666         (init_pre): Remove initialzation of modify_expr_template.
1667         Do not allocate modify_expr_node_pool.
1668         (fini_pre): Do not free modify_expr_node_pool.
1669
1670 2008-03-10  Paul Brook  <paul@codesourcery.com>
1671
1672         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1673         to avoid conflicts.
1674
1675 2008-03-10  Paul Brook  <paul@codesourcery.com>
1676             Mark Shinwell  <shinwell@codesourcery.com>
1677
1678         * config/arm/cortex-r4.md: New.
1679         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1680         insn attributes.
1681         * config/arm/arm.md: Include cortex-r4.md.
1682         (insn): Add smmls, sdiv and udiv values.
1683         (generic_sched): Don't use generic scheduling for Cortex-R4.
1684         (arm_issue_rate): New function.
1685         (TARGET_SCHED_ISSUE_RATE): Define.
1686
1687 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1690
1691 2008-03-10  Richard Guenther  <rguenther@suse.de>
1692
1693         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1694         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1695
1696 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1697
1698         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1699         Set default to true.
1700
1701 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1702
1703         * c.opt (Wsynth): Deprecate.
1704         * doc/invoke.texi (Option Summary, Warning Options): Document
1705         -Wno-format-contains-nul.
1706
1707 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1708
1709         PR target/35496
1710         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1711         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1712
1713 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1714
1715         * config/rs6000/rs6000.c (builtin_description): Rename vector
1716         left shift operations.
1717         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1718         (altivec_vsl<VI_char>): Rename to ...
1719         (ashl<mode>3): ... new name.
1720         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1721         gen_ashlv4si3.
1722         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1723
1724 2008-03-08  Richard Guenther  <rguenther@suse.de>
1725
1726         * coverage.h (tree_coverage_counter_addr): Declare.
1727         * coverage.c (tree_coverage_counter_addr): New function.
1728         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1729         before using again.
1730         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1731         (tree_gen_one_value_profiler): Likewise.
1732         (tree_gen_ic_profiler): Likewise.
1733         (tree_gen_average_profiler): Likewise.
1734         (tree_gen_ior_profiler): Likewise.
1735
1736 2008-03-08  Richard Guenther  <rguenther@suse.de>
1737
1738         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1739         (vn_binary_op_insert): Likewise.
1740         (vn_unary_op_lookup): Likewise.
1741         (vn_unary_op_insert): Likewise.
1742         (vn_nary_op_lookup): Declare.
1743         (vn_nary_op_insert): Likewise.
1744         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1745         and binary hashes, use a single obstack for unary_op_pool
1746         and binary_op_pool.
1747         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1748         a single struct vn_nary_op_s.  Store tree code length and
1749         a variable number of operands.
1750         (struct vn_reference_op_struct): Remove unused op2.
1751         (vn_reference_op_eq): Do not compare op2.
1752         (vn_reference_op_compute_hash): Do not compute hash of op2.
1753         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1754         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1755         with vn_nary_op_compute_hash.
1756         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1757         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1758         vn_nary_op_lookup.
1759         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1760         vn_nary_op_insert.
1761         (visit_unary_op): Call nary functions.
1762         (visit_binary_op): Likewise.
1763         (process_scc): Adjust for struct vn_tables_s changes.
1764         (allocate_vn_table): Likewise.
1765         (free_vn_table): Likewise.
1766         * tree-vn.c (vn_add): Call nary functions.
1767         (vn_lookup): Likewise.
1768
1769 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1770
1771         PR target/35498
1772         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1773         wdst back after sync_compare_and_swapqhi_internal.
1774
1775 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1776
1777         PR target/22152
1778         * config/i386/i386-modes.def (V1DI): New vector mode.
1779         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1780         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1781         (MMXMODE248): Ditto.
1782         (MMXMODE): Add V1DI mode.
1783         (mmxvecsize): Change DI mode to V1DI mode.
1784         ("mov<mode>): Use MMXMODEI8 mode iterator.
1785         ("*mov<mode>_internal_rex64"): Ditto.
1786         ("*mov<mode>_internal"): Ditto.
1787         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1788         ("mmx_sub<mode>3"): Ditto.
1789         ("mmx_adddi3"): Remove insn pattern.
1790         ("mmx_subdi3"): Ditto.
1791         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1792         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1793         ("mmx_ashl<mode>3"): Ditto.
1794         ("mmx_lshrdi3"): Remove insn pattern.
1795         ("mmx_ashldi3"): Ditto.
1796         * config/i386/i386.c (classify_argument): Handle V1DImode.
1797         (function_arg_advance_32): Ditto.
1798         (function_arg_32): Ditto.
1799         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1800         mmx_addv1di3 insn pattern.
1801         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1802         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1803         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1804         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1805         Remove definitions of built-in functions.
1806         (V1DI_type_node): New node.
1807         (v1di_ftype_v1di_int): Ditto.
1808         (v1di_ftype_v1di_v1di): Ditto.
1809         (v2si_ftype_v2si_si): Ditto.
1810         (v4hi_ftype_v4hi_di): Remove node.
1811         (v2si_ftype_v2si_di): Ditto.
1812         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1813         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1814         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1815         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1816         Add new builtins using def_builtin_const.
1817         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1818         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1819         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1820         * config/i386/mmintrin.h (__v1di): New typedef.
1821         (_mm_add_si64): Cast arguments to __v1di type.
1822         (_mm_sub_si64): Ditto.
1823         (_mm_sll_pi16): Cast __count to __v4hi type.
1824         (_mm_sll_pi32): Cast __count to __v2si type.
1825         (_mm_sll_si64): Cast arguments to __v1di type.
1826         (_mm_srl_pi16): Cast __count to __v4hi type.
1827         (_mm_srl_pi32): Cast __count to __v2si type.
1828         (_mm_srl_si64): Cast arguments to __v1di type.
1829         (_mm_sra_pi16): Cast __count to __v4hi type.
1830         (_mm_sra_pi32): Cast __count to __v2si type.
1831         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1832         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1833         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1834         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1835         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1836         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1837         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1838         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1839         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1840         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1841         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1842         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1843
1844 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1845
1846         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1847
1848 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1849
1850         PR target/35373
1851         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1852         reg+const addressing for Altivec modes.  Don't generate reg+reg
1853         addressing for TFmode or TDmode quantities.
1854
1855 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1856
1857         * c-common.c (vector_types_convertible_p): Call langhook
1858         instead of comptypes.
1859
1860 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1861
1862         PR tree-opt/35402
1863         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1864         integral and scalar float variables which have a
1865         NULL DECL_INITIAL.
1866
1867 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1868
1869         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1870         dwarf_register_span hook when emitting unwind information for
1871         register-to-memory saves.
1872         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1873         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1874
1875 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1876
1877         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1878         for the same VAR_DECL.
1879
1880 2008-03-06  Tom Tromey  <tromey@redhat.com>
1881
1882         * treelang: Delete.
1883         * doc/standards.texi (Standards): Don't mention treelang.
1884         * doc/invoke.texi (Overall Options): Don't mention treelang.
1885         * doc/install.texi (Prerequisites): Don't mention bison or
1886         treelang.
1887         (Configuration): Don't mention treelang.
1888         (Building): Likewise.
1889         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1890
1891 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1892
1893         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1894         word-extractions out of a multi-word object.
1895
1896 2008-03-06  Richard Guenther  <rguenther@suse.de>
1897
1898         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1899         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1900         result type and precision.
1901         * expr.c (get_inner_reference): Set unsignedp based on the result
1902         type of BIT_FIELD_REF.
1903         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1904         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1905         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1906         for BIT_FIELD_REF.
1907         (sra_build_assignment): Likewise.
1908         (sra_build_elt_assignment): Likewise.
1909         (sra_explode_bitfield_assignment): Likewise.
1910         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1911         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1912         set BIT_FIELD_REF_UNSIGNED.
1913         (vectorizable_load): Likewise.
1914
1915 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1916
1917         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1918         at bb start.
1919
1920 2008-03-06  Richard Guenther  <rguenther@suse.de>
1921
1922         * alias.c (struct alias_set_entry): Move has_zero_child field
1923         to pack with alias_set.
1924
1925 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1926
1927         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1928         32bit host.
1929
1930 2008-03-05  Ian Lance Taylor  <iant@google.com>
1931
1932         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1933
1934 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1935
1936         * fwprop.c (update_df): Support width and offset parameters of
1937         df_ref_create.
1938         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1939         global_conflicts): Change DF_REF_EXTRACT to either
1940         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1941         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1942         * df-scan.c (df_ref_record, df_defs_record,
1943         df_ref_create_structure, df_def_record_1, df_uses_record,
1944         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1945         df_bb_refs_collect, df_entry_block_defs_collect,
1946         df_exit_block_uses_collect): Support new width and offset fields.
1947         (ref_extract_pool): New storage pool.
1948         (df_free_ref): New function.
1949         (df_reg_chain_unlink, df_free_collection_rec,
1950         df_sort_and_compress_refs): Call df_free_ref.
1951         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1952         of df_ref_extract.
1953         (df_ref_create_structure): Allocate df_ref_extract if offset and
1954         width fields are used.
1955         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1956         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1957         and SIGN_EXTRACT.
1958         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1959         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1960         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1961         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1962         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1963         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1964         (df_ref_extract): New structure.
1965         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1966         (df_ref_create): Add width and offset parameters.
1967         
1968 2008-03-05  Richard Guenther  <rguenther@suse.de>
1969
1970         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1971         Use ranges_overlap_p.
1972         (offset_overlaps_with_access): Rename
1973         to ranges_overlap_p and move ...
1974         * tree-flow-inline.h (ranges_overlap_p): ... here.
1975
1976         * tree.h (get_inner_reference, handled_component_p): Update
1977         comments.
1978
1979         * tree.h (record_component_aliases, get_alias_set,
1980         alias_sets_conflict_p, alias_sets_must_conflict_p,
1981         objects_must_conflict_p): Move declarations ...
1982         * alias.h (record_component_aliases, get_alias_set,
1983         alias_sets_conflict_p, alias_sets_must_conflict_p,
1984         objects_must_conflict_p): ... here.
1985         Include coretypes.h.
1986         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1987
1988 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1989
1990         * cfg.c: Include tree-flow.h.
1991         (remove_edge_raw): Call redirect_edge_var_map_clear.
1992         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1993         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1994         (redirect_edge_var_map_result): New.
1995         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1996         PENDING_STMT use with redirect_edge_var_map_*.
1997         * tree-ssa.c (edge_var_maps): New definition.
1998         (redirect_edge_var_map_add): New.
1999         (redirect_edge_var_map_clear): New.
2000         (redirect_edge_var_map_dup): New.
2001         (redirect_edge_var_map_vector): New.
2002         (redirect_edge_var_map_destroy): New.
2003         (ssa_redirect_edge): Replace PENDING_STMT use with
2004         redirect_edge_var_map_*.
2005         (flush_pending_stmts): Same.
2006         (delete_tree_ssa): Destroy edge var map.
2007         * tree-flow.h (struct _edge_var_map): New.
2008         Define edge_var_map vector type.
2009         Declare redirect_edge_var_map_* prototypes.
2010         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2011         * tree-cfg.c (reinstall_phi_args): Replace
2012         PENDING_STMT use with redirect_edge_var_map_*.
2013
2014 2008-03-05  Richard Guenther  <rguenther@suse.de>
2015
2016         PR tree-optimization/35472
2017         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2018         whose single use_stmt has a overlapping set of loaded and
2019         stored symbols as that use_stmt might be a noop assignment then.
2020
2021 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2022
2023         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2024
2025 2008-03-05  Richard Guenther  <rguenther@suse.de>
2026
2027         PR c++/35336
2028         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2029         should be constants.
2030         * tree-cfg.c (verify_expr): Verify it.
2031         * fold-const.c (fold_truthop): Remove code generating
2032         BIT_FIELD_REFs of structure bases.
2033         (fold_binary): Likewise.
2034         (fold_ternary): Position and size of BIT_FIELD_REFs are
2035         always host integers.
2036         (make_bit_field_ref): Remove.
2037         (optimize_bit_field_compare): Remove.
2038         (all_ones_mask_p): Remove.
2039
2040 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2041
2042         PR gcc/33009
2043         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2044         (split_block_and_df_analyze): New. Split basic block and rebuild
2045         dataflow.
2046         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2047         SPLIT_BLOCK.
2048         (split_pattern_seq): Likewise.
2049         (erase_matching_seqs): Likewise.
2050         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2051
2052 2008-03-04  Geoff Keating  <geoffk@apple.com>
2053
2054         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2055         declaration and code.
2056         (tree_invalid_nonnegative_warnv_p): Likewise.
2057
2058 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2059
2060         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2061         examples.  Truncate option-names then causing overfull hbox.
2062
2063 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2064
2065         PR target/35222
2066         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2067         on hpux10.
2068         * configure: Rebuilt.
2069
2070 2008-03-04  Rafael Espindola  <espindola@google.com>
2071
2072         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2073         (tree_unary_nonnegative_warnv_p): New.
2074         (tree_binary_nonnegative_warnv_p): New.
2075         (tree_single_nonnegative_warnv_p): New.
2076         (tree_invalid_nonnegative_warnv_p): New.
2077         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2078
2079 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2080
2081         PR 28322
2082         * opts.c (handle_option): Postpone 'unknown option' errors only for
2083         warning options.
2084
2085 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2086
2087         PR target/35453
2088         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2089         (_SIDD_XXX): This.
2090
2091 2008-03-04  Rafael Espindola  <espindola@google.com>
2092
2093         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2094         (tree_binary_nonzero_warnv_p): New.
2095         (tree_single_nonzero_warnv_p): New.
2096         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2097
2098 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2099
2100         PR middle-end/35456
2101         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2102         transformations for modes that have signed zeros.
2103         * ifcvt.c (noce_try_abs): Ditto.
2104
2105 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2106
2107         * config/i386/i386.c (override_options): Force
2108         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2109
2110 2008-03-04  Jan Hubicka  <jh@suse.cz>
2111
2112         PR c++/35262
2113         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2114         in last commit.
2115
2116 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2117
2118         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2119         label to probe the stack.
2120
2121 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2122
2123         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2124         (__gthr_win32_mutex_destroy): Declare.
2125         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2126         __gthr_win32_mutex_destroy.
2127         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2128
2129 2008-03-03  Jan Hubicka  <jh@suse.cz>
2130
2131         PR c++/35262
2132         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2133         aggressive on inlining cold calls.
2134
2135 2008-03-03  Richard Guenther  <rguenther@suse.de>
2136
2137         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2138         struct copies into the expression table.
2139         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2140         (try_to_simplify): Likewise.
2141         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2142         integral and pointer arguments which do not change the
2143         precision to NOP_EXPRs.
2144         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2145         VIEW_CONVERT_EXPR case.
2146
2147 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2150         defined in a loop at depth 0 is invariant.
2151         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2152         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2153         be called at loop depth 0.
2154
2155 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2156
2157         PR driver/35420
2158         * gcc.c (process_command): Update copyright notice dates.
2159         * gcov.c (print_version): Likewise.
2160         * gcov-dump.c (print_version): Likewise.
2161         * mips-tfile.c (main): Likewise.
2162         * mips-tdump.c (main): Likewise.
2163
2164 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2165
2166         PR 24924
2167         * c-common.c (flag_permissive): Delete.
2168         (constant_expression_warnings): Check flags first.
2169         (constant_expression_error): New.
2170         * c-common.h (flag_permissive): Delete.
2171         (constant_expression_error): Declare.
2172         * flags.h (flag_permissive): Declare. Update description.
2173         * diagnostic.c (pedwarn): Update.
2174         (permerror): New.
2175         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2176         (permissive_error_kind): New.
2177         * toplev.c (flag_permissive): Define. Update description.
2178         * toplev.h (permissive_error_kind): Declare.
2179         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2180         (pedwarn_c90): Use pedantic_warning_kind.
2181         * c-opts.c (c_common_post_options): flag_permissive does not affect
2182         flag_pedantic_errors.
2183
2184 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2185
2186         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2187         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2188         __absvsi2, __absvDI2): Use unsigned arithmetic.
2189
2190 2008-03-02  Andi Kleen  <ak@suse.de>
2191             Richard Guenther  <rguenther@suse.de>
2192
2193         * struct-equiv.c: Remove file.
2194         * cfg_cleanup.c (condjump_equiv_p): Remove.
2195         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2196         (struct-equiv.o): Remove rule.
2197         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2198         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2199         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2200
2201 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2202
2203         * ifcvt.c (noce_process_if_block): Try to handle only the then
2204         block if the else block exists but isn't suitable.
2205
2206 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2207
2208         PR gcc/35063
2209         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2210         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2211         regression from previous patch.
2212
2213 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2214
2215         PR gcc/35063
2216         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2217         implemented.
2218         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2219         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2220         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2221         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2222         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2223         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2224         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2225         (__gthread_mutex_destroy_function): Rename to
2226         __gthread_mutex_destroy.
2227         * gthr-dce.h (__gthread_mutex_destroy): Call
2228         pthread_mutex_destroy.
2229         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2230         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2231         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2232
2233 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2234
2235         * df-scan.c (df_ref_chain_change_bb): Simplify.
2236         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2237         set_block_for_insn if there's any change.
2238         * df.h ((df_insn_change_bb): Fix prototype.
2239         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2240         df_insn_change_bb, don't call set_block_for_insn.
2241         * emit-rtl.c (reorder_insns): Likewise.
2242         * haifa-sched.c (move_insn): Likewise.
2243
2244 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2245
2246         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2247
2248 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2249
2250         * tree-flow-inline.h (next_readonly_imm_use): Return
2251         NULL_USE_OPERAND_P after the end.
2252
2253 2008-03-01  Richard Guenther  <rguenther@suse.de>
2254
2255         PR tree-optimization/35411
2256         * tree-sra.c (sra_build_assignment): Split conversion to
2257         final type to a separate statement if we are not assigning
2258         to a register.
2259
2260 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2261
2262         * fold-const.c (fold_convertible_p): Correct the logic to follow
2263         that in fold_convert().
2264
2265 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2266
2267         PR c++/35315
2268         * tree-inline.c (build_duplicate_type): When we make a
2269         duplicate type, make it unique in the canonical types system.
2270
2271 2008-02-29  Tom Tromey  <tromey@redhat.com>
2272
2273         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2274         input_file_stack_history, input_file_stack_restored): Remove.
2275         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2276         * input.h (struct file_stack): Remove.
2277         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2278         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2279         Likewise.
2280         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2281         type.
2282         (diagnostic_last_module_changed): Add 'map' argument.
2283         (diagnostic_set_last_function): Likewise.
2284         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2285         line map, not input_file_stack.
2286         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2287
2288 2008-02-29  Paul Brook  <paul@codesourcery.com>
2289
2290         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2291
2292 2008-02-29  Paul Brook  <paul@codesourcery.com>
2293
2294         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2295
2296 2008-02-29  Richard Guenther  <rguenther@suse.de>
2297
2298         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2299         vn_lookup_or_add.
2300         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2301         value for comparing for a store match.
2302         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2303         (try_to_simplify): Do not do a full-blown reference lookup.
2304
2305 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2306
2307         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2308         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2309
2310         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2311
2312 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2315         strides against cache sizes.
2316
2317 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2318
2319         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2320         constant to fpul.
2321
2322 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2323
2324         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2325         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2326         is smaller than the original promoted value.
2327         (simplify_subreg): If OP is a SUBREG, try to preserve its
2328         SUBREG_PROMOTED_VAR_P information.
2329
2330 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2331
2332         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2333         (VN_INFO_GET): Allocate new objects on the obstack.
2334         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2335         for rpo_numbers_temp, for consistency.
2336         (free_scc_vn): Free the obstack.
2337
2338 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * doc/invoke.texi: Document -ftree-loop-distribution.
2341         * tree-loop-distribution.c: New.
2342         * tree-pass.h (pass_loop_distribution): New.
2343         * graphds.h (struct graph): Add htab_t indices.
2344         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2345         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2346         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2347         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2348         * tree-data-ref.c (debug_data_dependence_relations): New.
2349         (dump_data_dependence_relation): Also print data references.
2350         (free_data_ref): Extern.
2351         (same_access_functions): Moved...
2352         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2353         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2354         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2355         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2356         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2357         (stmts_from_loop): Skip LABEL_EXPR.
2358         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2359         New.
2360         (build_rdg): Initialize rdg->indices htab.
2361         (free_rdg, stores_from_loop, ref_base_address,
2362         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2363         have_similar_memory_accesses_1, ref_base_address_1,
2364         remove_similar_memory_refs): New.
2365         * tree-data-ref.h: Depend on tree-chrec.h.
2366         (debug_data_dependence_relations, free_data_ref): Declared.
2367         (same_access_functions): ... here.
2368         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2369         New.
2370         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2371         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2372         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2373         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2374         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2375         rdg_vertex_for_stmt): Declared.
2376         (struct rdg_edge): Add level.
2377         (RDGE_LEVEL): New.
2378         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2379         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2380         Declared.
2381         (rdg_has_similar_memory_accesses): New.
2382         * tree-vect-analyze.c: Remove unused static decls.
2383         * lambda.h (dependence_level): New.
2384         * common.opt (ftree-loop-distribution): New.
2385         * tree-flow.h (mark_virtual_ops_in_bb, 
2386         slpeel_tree_duplicate_loop_to_edge_cfg,
2387         rename_variables_in_loop): Declared.
2388         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2389         (OBJS-common): Add tree-loop-distribution.o.
2390         (tree-loop-distribution.o): New rule.
2391         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2392         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2393         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2394
2395 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2396
2397         PR target/33963
2398         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2399         other than structures and unions.
2400
2401 2008-02-28  Richard Guenther  <rguenther@suse.de>
2402
2403         Revert:
2404         2008-02-26  Richard Guenther  <rguenther@suse.de>
2405
2406         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2407         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2408         (lookup_decl_from_uid): Declare.
2409         (remove_decl_from_map): Likewise.
2410         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2411         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2412         (decl_for_uid_map): New global hashtable mapping DECL_UID
2413         to the decl tree.
2414         (init_ttree): Allocate it.
2415         (insert_decl_to_uid_decl_map): New helper function.
2416         (make_node_stat): Insert new decls into the map.
2417         (copy_node_stat): Likewise.
2418         (lookup_decl_from_uid): New function.
2419         (remove_decl_from_map): Likewise.
2420         (print_decl_for_uid_map_statistics): New helper.
2421         (dump_tree_statistics): Call it.
2422
2423         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2424         (referenced_var_iterator): Adjust.
2425         (FOR_EACH_REFERENCED_VAR): Adjust.
2426         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2427         (num_referenced_vars): Adjust.
2428         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2429         (first_referenced_var): Remove.
2430         (end_referenced_vars_p): Likewise.
2431         (next_referenced_var): Likewise.
2432         (referenced_var_iterator_set): New helper function.
2433         * tree-dfa.c (referenced_var_lookup): Adjust.
2434         (referenced_var_check_and_insert): Likewise.
2435         (remove_referenced_var): Likewise.
2436         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2437         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2438         (verify_call_clobbering): Likewise.
2439         (verify_memory_partitions): Likewise.
2440         (init_tree_ssa): Allocate bitmap instead of hashtable for
2441         referenced_vars.
2442         (delete_tree_ssa): Adjust.
2443         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2444         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2445         (compute_tag_properties): Likewise.
2446         (set_initial_properties): Likewise.
2447         (find_partition_for): Likewise.
2448         (update_reference_counts): Likewise.
2449         (dump_may_aliases_for): Likewise.
2450         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2451         (add_call_clobber_ops): Likewise.
2452         (add_call_read_ops): Likewise.
2453         (get_asm_expr_operands): Likewise.
2454         * tree-into-ssa.c (dump_decl_set): Likewise.
2455         (update_ssa): Likewise.
2456         * tree-sra.c (scan_function): Likewise.
2457         (decide_instantiations): Likewise.
2458         (scalarize_parms): Likewise.
2459         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2460         (dsa_named_for): Likewise.
2461         * tree-ssa-structalias.c (update_alias_info): Likewise.
2462         (merge_smts_into): Likewise.
2463
2464 2008-02-27  David Daney  <ddaney@avtrex.com>
2465
2466         PR target/34409
2467         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2468         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2469         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2470         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2471         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2472
2473 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2474
2475         PR target/25477
2476         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2477         (BUILT_IN_NEXTTOWARD): Remove.
2478         (BUILT_IN_NEXTTOWARDF): Ditto.
2479         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2480         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2481
2482 2008-02-27  Tom Tromey  <tromey@redhat.com>
2483
2484         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2485         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2486
2487 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2488
2489         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2490         update the respective field on newdecl.
2491
2492 2008-02-27  Revital Eres  <eres@il.ibm.com>
2493
2494         PR rtl-optimization/34999
2495         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2496         crossing edges that ends with a call insn.
2497         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2498         call insn and clear the EDGE_CROSSING flag of the crossing edge
2499         when fixing fallthru edges.
2500
2501 2008-02-27  Richard Guenther  <rguenther@suse.de>
2502
2503         PR middle-end/35390
2504         * fold-const.c (fold_unary): Return the correct argument,
2505         converted to the result type.
2506
2507 2008-02-27  Richard Guenther  <rguenther@suse.de>
2508
2509         PR middle-end/34971
2510         * expr.c (expand_expr_real_1): Assert on rotates that operate
2511         on partial modes.
2512         * fold-const.c (fold_binary): Use the types precision, not the
2513         bitsize of the mode if folding rotate expressions.  Build rotates
2514         only for full modes.
2515
2516 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2517
2518         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2519         and CPP_PRAGMA_EOL.
2520         * c-pragma.c (pragma_ns_name): New typedef.
2521         (registered_pp_pragmas): New variable.
2522         (c_pp_lookup_pragma): New function.
2523         (c_register_pragma_1): If flag_preprocess_only, do nothing
2524         for non-expanded pragmas, for expanded ones push pragma's
2525         namespace and name into registered_pp_pragmas vector.
2526         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2527         flag_preprocess_only, don't register GCC pch_preprocess
2528         pragma if flag_preprocess_only.
2529         * c-opts.c (c_common_init): Call init_pragma even if
2530         flag_preprocess_only.
2531         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2532         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2533         cpp_register_pragma if flag_preprocess_only.
2534
2535 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2536
2537         PR c/28800
2538         * c-parser.c (c_parser_translation_unit): Warn for empty
2539         translation unit, not empty source file.
2540
2541 2008-02-26  Paul Brook  <paul@codesourcery.com>
2542
2543         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2544         operand for Thumb-2.
2545         * config/arm/arm.h (reg_class): Add CORE_REGS.
2546         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2547         (BASE_REG_CLASS): Use CORE_REGS.
2548         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2549         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2550         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2551         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2552         ARM_REGNO_OK_FOR_INDEX_P.
2553         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2554         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2555         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2556         (ldm/stm peepholes): Ditto.
2557         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2558         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2559         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2560         * config/arm/constraints.md: Enable "k" constraint on ARM.
2561
2562 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2563
2564         * config/rs6000/rs6000.c: Annotate cache line size field in all
2565         instances of struct processor_costs.
2566
2567 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2568
2569         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2570         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2571         jump_bypass): New counters.
2572         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2573         * dce.c (gate_ud_dce): Same.
2574         (gate_fast_dce): Same.
2575         * dse.c (gate_dse1): New function.
2576         (gate_dse2): New function.
2577         (gate_dse): Merge results of new gate functions.
2578         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2579         (gate_handle_jump_bypass): Add dbg_cnt.
2580         (gate_handle_gcse): Add dbg_cnt.
2581         * ifcvt.c (gate_handle_if_conversion): Same.
2582         (gate_handle_if_after_combine): Same.
2583         (gate_handle_if_after_reload): Same.
2584         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2585
2586 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2587
2588         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2589         line sizes.
2590         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2591
2592 2008-02-26  Jason Merrill  <jason@redhat.com>
2593
2594         PR c++/35315
2595         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2596         alone if it's the naming decl for the type's main variant.
2597
2598 2008-02-26  Tom Tromey  <tromey@redhat.com>
2599
2600         * system.h (USE_MAPPED_LOCATION): Poison.
2601         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2602         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2603         (make_goto_expr_edges): Likewise.
2604         (remove_bb): Likewise.
2605         (execute_warn_function_return): Likewise.
2606         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2607         location_t.
2608         * c-common.c (fname_decl): Remove old location code.
2609         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2610         location code.
2611         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2612         variant.
2613         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2614         (gen_rtx_ASM_INPUT): Likewise.
2615         (gen_rtx_ASM_INPUT_loc): Likewise.
2616         (get_rtx_asm_OPERANDS): Remove.
2617         * cfglayout.c (insn_locators_alloc): Remove old location code.
2618         (set_curr_insn_source_location): Likewise.
2619         (curr_insn_locator): Likewise.
2620         * print-tree.c (print_node): Remove old location code.
2621         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2622         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2623         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2624         location_from_locus.
2625         (construct_exit_block): Remove old location code.
2626         * emit-rtl.c (force_next_line_note): Remove old location code.
2627         * profile.c (branch_prob): Remove old location code.
2628         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2629         LOC_LINE): Remove old-location variants.
2630         * langhooks.c (lhd_print_error_function): Remove old location
2631         code.
2632         * configure, config.in: Rebuilt.
2633         * configure.ac (--enable-mapped-location): Remove.
2634         * c-decl.c (c_init_decl_processing): Remove old location code.
2635         (finish_function): Likewise.
2636         * recog.c (decode_asm_operands): Remove old location code.
2637         * c-pch.c (c_common_read_pch): Remove old location code.
2638         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2639         variants.
2640         * gimple-low.c (lower_function_body): Remove old location code.
2641         * toplev.c (unknown_location): Remove.
2642         (push_srcloc): Remove old-location variant.
2643         (process_options): Remove old location code.
2644         (lang_dependent_init): Likewise.
2645         * input.h (UNKNOWN_LOCATION): Move definition.
2646         (location_t): Undeprecate.
2647         (source_locus): Remove.
2648         (location_from_locus): Remove.
2649         (struct location_s): Remove.
2650         Remove all old-location code.
2651         (input_line, input_filename): Remove.
2652         * final.c (final_scan_insn): Remove old location code.
2653         * diagnostic.c (diagnostic_build_prefix): Remove
2654         USE_MAPPED_LOCATION test.
2655         * tree.h (gimple_stmt) <locus>: Now a location_t.
2656         (tree_exp) <locus>: Likewise.
2657         (DECL_IS_BUILTIN): Remove old-location variant.
2658         (annotate_with_file_line, annotate_with_locus): Likewise.
2659         (expr_locus, set_expr_locus): Update.
2660         * tree.c (build1_stat): Remove old location code.
2661         (last_annotated_node): Remove.
2662         (annotate_with_file_line): Remove old-location variant.
2663         (annotate_with_locus): Likewise.
2664         (expr_location): Remove old location code.
2665         (set_expr_location): Likewise.
2666         (expr_has_location): Likewise.
2667         (expr_locus): Likewise.
2668         (set_expr_locus): Likewise.
2669         (expr_filename): Don't use location_from_locus.
2670         (expr_lineno): Likewise.
2671         * rtl-error.c (location_for_asm): Remove old location code.
2672         * c-lex.c (cb_line_change): Remove old location code.
2673         (fe_file_change): Likewise.
2674         (cb_def_pragma): Likewise.
2675         (c_lex_with_flags): Likewise.
2676         * gengtype.c (do_typedef): Don't special-case location types.
2677         (define_location_structures): Remove.
2678         (main): Don't call define_location_structures.
2679         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2680         code.
2681
2682 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2683
2684         PR 26264
2685         * builtins.def (BUILT_IN_STDARG_START): Remove.
2686         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2687         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2688         * tree-inline.c (inline_forbidden_p_1): Likewise.
2689         
2690 2008-02-26  Richard Guenther  <rguenther@suse.de>
2691
2692         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2693         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2694         (lookup_decl_from_uid): Declare.
2695         (remove_decl_from_map): Likewise.
2696         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2697         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2698         (decl_for_uid_map): New global hashtable mapping DECL_UID
2699         to the decl tree.
2700         (init_ttree): Allocate it.
2701         (insert_decl_to_uid_decl_map): New helper function.
2702         (make_node_stat): Insert new decls into the map.
2703         (copy_node_stat): Likewise.
2704         (lookup_decl_from_uid): New function.
2705         (remove_decl_from_map): Likewise.
2706         (print_decl_for_uid_map_statistics): New helper.
2707         (dump_tree_statistics): Call it.
2708
2709         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2710         (referenced_var_iterator): Adjust.
2711         (FOR_EACH_REFERENCED_VAR): Adjust.
2712         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2713         (num_referenced_vars): Adjust.
2714         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2715         (first_referenced_var): Remove.
2716         (end_referenced_vars_p): Likewise.
2717         (next_referenced_var): Likewise.
2718         (referenced_var_iterator_set): New helper function.
2719         * tree-dfa.c (referenced_var_lookup): Adjust.
2720         (referenced_var_check_and_insert): Likewise.
2721         (remove_referenced_var): Likewise.
2722         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2723         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2724         (verify_call_clobbering): Likewise.
2725         (verify_memory_partitions): Likewise.
2726         (init_tree_ssa): Allocate bitmap instead of hashtable for
2727         referenced_vars.
2728         (delete_tree_ssa): Adjust.
2729         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2730         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2731         (compute_tag_properties): Likewise.
2732         (set_initial_properties): Likewise.
2733         (find_partition_for): Likewise.
2734         (update_reference_counts): Likewise.
2735         (dump_may_aliases_for): Likewise.
2736         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2737         (add_call_clobber_ops): Likewise.
2738         (add_call_read_ops): Likewise.
2739         (get_asm_expr_operands): Likewise.
2740         * tree-into-ssa.c (dump_decl_set): Likewise.
2741         (update_ssa): Likewise.
2742         * tree-sra.c (scan_function): Likewise.
2743         (decide_instantiations): Likewise.
2744         (scalarize_parms): Likewise.
2745         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2746         (dsa_named_for): Likewise.
2747         * tree-ssa-structalias.c (update_alias_info): Likewise.
2748         (merge_smts_into): Likewise.
2749
2750 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2751
2752         PR 34351
2753         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2754         * c-opts.c (c_common_handle_option): Wall enables
2755         Wvolatile-register-var.
2756         * common.opt: Move Wvolatile-register-var to...
2757         * c.opt: ...here.
2758         
2759 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2760
2761         * common.opt (Wlarger-than=): New.
2762         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2763         -Wlarger-than=.
2764         * opts.c (common_handle_option): Handle -Wlarger-than=.
2765         * optc-gen.awk: Likewise.
2766         * opth-gen.awk: Likewise.
2767         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2768         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2769         
2770 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2771
2772         * c-common.c (match_case_to_enum_1): Add appropriate
2773         OPT_W* parameter to warning.
2774         (c_do_switch_warnings): Likewise.
2775         * c-typeck.c (warning_init): Add one more parameter following
2776         'warning' function.
2777         (push_init_level): Update call to warning_init.
2778         (pop_init_level): Likewise.
2779         (add_pending_init): Likewise.
2780         (output_init_element: Likewise.
2781
2782 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2783
2784         PR 28322
2785         * toplev.c (toplev_main): If there are warnings or error, print
2786         errors for ignored options.
2787         * opts.c (ignored_options): New static variable.
2788         (postpone_unknown_option_error): New.
2789         (print_ignored_options): New.
2790         (handle_option): Postpone errors for unknown -Wno-* options.
2791         * opts.h (print_ignored_options): Declare.
2792         
2793 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2794
2795         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2796         to "ghost".
2797
2798 2008-02-25  Richard Guenther  <rguenther@suse.de>
2799
2800         Revert:
2801         2008-02-25  Richard Guenther  <rguenther@suse.de>
2802
2803         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2804         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2805         (lookup_decl_from_uid): Declare.
2806         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2807         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2808         (decl_for_uid_map): New global hashtable mapping DECL_UID
2809         to the decl tree.
2810         (init_ttree): Allocate it.
2811         (insert_decl_to_uid_decl_map): New helper function.
2812         (make_node_stat): Insert new decls into the map.
2813         (copy_node_stat): Likewise.
2814         (lookup_decl_from_uid): New function.
2815         (print_decl_for_uid_map_statistics): New helper.
2816         (dump_tree_statistics): Call it.
2817
2818         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2819         (referenced_var_iterator): Adjust.
2820         (FOR_EACH_REFERENCED_VAR): Adjust.
2821         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2822         (num_referenced_vars): Adjust.
2823         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2824         (first_referenced_var): Remove.
2825         (end_referenced_vars_p): Likewise.
2826         (next_referenced_var): Likewise.
2827         (referenced_var_iterator_set): New helper function.
2828         * tree-dfa.c (referenced_var_lookup): Adjust.
2829         (referenced_var_check_and_insert): Likewise.
2830         (remove_referenced_var): Likewise.
2831         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2832         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2833         (verify_call_clobbering): Likewise.
2834         (verify_memory_partitions): Likewise.
2835         (init_tree_ssa): Allocate bitmap instead of hashtable for
2836         referenced_vars.
2837         (delete_tree_ssa): Adjust.
2838         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2839         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2840         (compute_tag_properties): Likewise.
2841         (set_initial_properties): Likewise.
2842         (find_partition_for): Likewise.
2843         (update_reference_counts): Likewise.
2844         (dump_may_aliases_for): Likewise.
2845         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2846         (add_call_clobber_ops): Likewise.
2847         (add_call_read_ops): Likewise.
2848         (get_asm_expr_operands): Likewise.
2849         * tree-into-ssa.c (dump_decl_set): Likewise.
2850         (update_ssa): Likewise.
2851         * tree-sra.c (scan_function): Likewise.
2852         (decide_instantiations): Likewise.
2853         (scalarize_parms): Likewise.
2854         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2855         (dsa_named_for): Likewise.
2856         * tree-ssa-structalias.c (update_alias_info): Likewise.
2857         (merge_smts_into): Likewise.
2858
2859 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2860
2861         PR fortran/29549
2862         * doc/invoke.texi (-fcx-limited-range): Document new option.
2863         * toplev.c (process_options): Handle -fcx-fortran-rules.
2864         * common.opt: Add documentation for -fcx-fortran-rules.
2865
2866 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2867
2868         PR c/35162
2869         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2870         actual behaviour and C99.
2871         
2872 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2873
2874         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2875         (ASM_CPU_POWER6_SPEC): Likewise.
2876         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2877         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2878         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2879
2880 2008-02-25  Richard Guenther  <rguenther@suse.de>
2881
2882         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2883         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2884         (lookup_decl_from_uid): Declare.
2885         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2886         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2887         (decl_for_uid_map): New global hashtable mapping DECL_UID
2888         to the decl tree.
2889         (init_ttree): Allocate it.
2890         (insert_decl_to_uid_decl_map): New helper function.
2891         (make_node_stat): Insert new decls into the map.
2892         (copy_node_stat): Likewise.
2893         (lookup_decl_from_uid): New function.
2894         (print_decl_for_uid_map_statistics): New helper.
2895         (dump_tree_statistics): Call it.
2896
2897         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2898         (referenced_var_iterator): Adjust.
2899         (FOR_EACH_REFERENCED_VAR): Adjust.
2900         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2901         (num_referenced_vars): Adjust.
2902         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2903         (first_referenced_var): Remove.
2904         (end_referenced_vars_p): Likewise.
2905         (next_referenced_var): Likewise.
2906         (referenced_var_iterator_set): New helper function.
2907         * tree-dfa.c (referenced_var_lookup): Adjust.
2908         (referenced_var_check_and_insert): Likewise.
2909         (remove_referenced_var): Likewise.
2910         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2911         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2912         (verify_call_clobbering): Likewise.
2913         (verify_memory_partitions): Likewise.
2914         (init_tree_ssa): Allocate bitmap instead of hashtable for
2915         referenced_vars.
2916         (delete_tree_ssa): Adjust.
2917         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2918         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2919         (compute_tag_properties): Likewise.
2920         (set_initial_properties): Likewise.
2921         (find_partition_for): Likewise.
2922         (update_reference_counts): Likewise.
2923         (dump_may_aliases_for): Likewise.
2924         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2925         (add_call_clobber_ops): Likewise.
2926         (add_call_read_ops): Likewise.
2927         (get_asm_expr_operands): Likewise.
2928         * tree-into-ssa.c (dump_decl_set): Likewise.
2929         (update_ssa): Likewise.
2930         * tree-sra.c (scan_function): Likewise.
2931         (decide_instantiations): Likewise.
2932         (scalarize_parms): Likewise.
2933         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2934         (dsa_named_for): Likewise.
2935         * tree-ssa-structalias.c (update_alias_info): Likewise.
2936         (merge_smts_into): Likewise.
2937
2938 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2939
2940         PR target/35258
2941         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2942         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2943         * alias.h (nonoverlapping_memrefs_p): Likewise.
2944
2945 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2946
2947         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2948         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2949         __emultls_get_address, __emultls_register_common,
2950         __floatundi?f, and _Unwind_GetIPInfo.
2951         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2952         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2953         (gen_regparm_prefix): Likewise.
2954         (i386_nlm_encode_section_info): Sync with
2955         config/i386/winnt.c:i386_pe_encode_section_info().
2956         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2957         i386_nlm_mangle_decl_assembler_name): New.
2958         (netware_override_options): New.
2959         * config/i386/netware.h (netware_override_options): Declare.
2960         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2961         (i386_nlm_mangle_decl_assembler_name): Declare.
2962         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2963
2964 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2965
2966         PR other/32948
2967         * c-decl.c (grokdeclarator): Remove unused local variables
2968         `typedef_type' and `type_as_written'.
2969         * bb-reorder.c
2970         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2971         unused local variable `has_hot_blocks'.
2972         (fix_crossing_conditional_branches): Remove unused local variable
2973         `prev_bb'.
2974         
2975 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2976
2977         PR middle-end/19984
2978         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2979         using DEF_C99_BUILTIN.
2980         (BUILT_IN_NANF): Ditto.
2981         (BUILT_IN_NANL): Ditto.
2982
2983 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2984             Revital Eres  <eres@il.ibm.com>
2985
2986         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2987         regarding the order of two dependent insns in the same row.
2988
2989 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2990
2991         * stor-layout.c (layout_decl): Do not bump the alignment of a
2992         bit-field to more than byte alignment if it is packed.
2993
2994 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2995
2996         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2997         e300c2 and e300c3.
2998
2999 2008-02-24  Diego Novillo  <dnovillo@google.com>
3000
3001         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3002
3003         PR 33738
3004         * tree-vrp.c (vrp_evaluate_conditional): With
3005         -Wtype-limits, emit a warning when comparing against a
3006         constant outside the natural range of OP0's type.
3007         * c.opt (Wtype-limits): Move ...
3008         * common.opt (Wtype-limits): ... here.
3009
3010 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3011
3012         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3013         * config/rs6000/e300c2c3.md: New file.
3014         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3015         e300c2 and e300c3.
3016         (rs6000_override_options): Add e300c2 and e300c3 cases to
3017         processor_target_table. Do not allow usage of Altivec or Spe
3018         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3019         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3020         * config/rs6000/rs6000.h (processor_type): Add
3021         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3022         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3023         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3024         and ppce300c3. Include e300c2c3.md.
3025
3026 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3027
3028         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3029         instead of TARGET_STRICT_ALIGN.
3030
3031 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3032
3033         * explow.c (memory_address): Assert that the generated address is
3034         valid.
3035
3036 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3037
3038         PR target/25477
3039         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3040         * config/darwin-ppc-ldouble-patch.def: New file.
3041         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3042         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3043         SUBTARGET_INIT_BUILTINS if defined.
3044         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3045         New functions.
3046
3047 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3048
3049         PR rtl-opt/33512
3050         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3051         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3052
3053 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3054
3055         PR pch/35027
3056         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3057         file" warning condtional on -Winvalid-PCH.
3058
3059 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3060
3061         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3062
3063 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3064
3065         PR target/22076
3066         PR target/34256 
3067         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3068         prevent reload from using MMX registers.
3069         (*mov<mode>_internal): Ditto.
3070         (*movv2sf_internal_rex64): Ditto.
3071         (*movv2sf_internal): Ditto.
3072
3073 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3074
3075         PR documentation/31569
3076         * doc/install.texi2html: Use makeinfo --no-number-sections.
3077
3078 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3079
3080         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3081         ensure that we can address an entire entity > 8 bytes.  Don't
3082         generate reg+reg addressing for such data.
3083
3084 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3085
3086         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3087         strings when optimizing for size, unless the target cares about
3088         alignment.
3089
3090 2008-02-22  Tom Tromey  <tromey@redhat.com>
3091
3092         * regclass.c (current_pass): Remove declaration.
3093
3094 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3095
3096         * config/avr/libgcc.S (__RAMPZ__): Define.
3097         (__do_copy_data): Add for devices with 128KB code memory.
3098
3099 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3100
3101         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3102         Use spe_abi.
3103         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3104
3105 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3106
3107         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3108         GENNONACR_REGS.
3109
3110 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3111
3112         PR c/19999
3113         * c-typeck.c (build_binary_op): Warn about floating point
3114         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3115
3116 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3117
3118         PR target/34526
3119         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3120         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3121         add vrsave.
3122         (rs6000_override_options): Set altivec_abi as default, not override,
3123         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3124         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3125         is used; use new member spe_abi.
3126         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3127         spe_abi and altivec_abi.
3128
3129 2008-02-22  Tomas Bily  <tbily@suse.cz>
3130
3131         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3132
3133 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3134
3135         PR bootstrap/35273
3136         * config.build (build_file_translate): Set to `CMD //c' only if
3137         it works.
3138         * Makefile.in (build_file_translate): Improve comment.
3139
3140 2008-02-21  Jan Hubicka  <jh@suse.cz>
3141
3142         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3143         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3144         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3145
3146 2008-02-21  Michael Matz  <matz@suse.de>
3147
3148         PR target/35264
3149         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3150
3151 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3152
3153         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3154         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3155         as insn constraint.
3156         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3157         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3158         SSE_VEC_FLOAT_MODE_P as insn constraint.
3159         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3160         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3161         sse4a_movntdf using MODEF mode iterator.
3162         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3163         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3164         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3165         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3166         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3167         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3168         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3169
3170 2008-02-21  Richard Guenther  <rguenther@suse.de>
3171
3172         * tree.def (PAREN_EXPR): New tree code.
3173         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3174         and PAREN_EXPR.
3175         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3176         * expr.c (expand_expr_real_1): Likewise.
3177         * tree-inline.c (estimate_num_insns_1): Likewise.
3178         * tree-complex.c (expand_complex_move): Likewise.
3179         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3180         as plain x.
3181
3182 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3183
3184         PR target/35225
3185         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3186
3187 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3188
3189         PR target/35190
3190         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3191
3192         * config/sh/sh.c (find_barrier): Don't go past
3193         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3194
3195 2008-02-20  DJ Delorie  <dj@redhat.com>
3196
3197         * config/h8300/h8300.md (insv): Force source operand to be a register.
3198
3199         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3200         as a jump, not as a plain insn.
3201         
3202 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3203
3204         * doc/invoke.texi (Warning Options): Add new option
3205         -Wframe-larger-than=.
3206         (-Wframe-larger-than): Document.
3207
3208         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3209         Add declarations for new option variables.
3210
3211         * final.c (final_start_function): Check the frame size
3212         before emission and issue a Wframe-larger-than warning.
3213
3214         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3215         Add definitions for new option variables.
3216         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3217
3218         * common.opt (Wframe-larger-than=): New option.
3219
3220 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3221
3222         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3223         (<sse>_div<mode>3): Ditto.
3224         (<sse>_vmdiv<mode>3): Ditto.
3225         (<sse>_vmsqrt<mode>2): Ditto.
3226         (*smax<mode>3): Ditto.
3227         (sse5_frcz<mode>2): Ditto.
3228         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3229         as insn constraint.
3230
3231 2008-02-20  Richard Guenther  <rguenther@suse.de>
3232
3233         PR middle-end/35265
3234         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3235         be happy with INTEGRAL_TYPE_P.
3236
3237 2008-02-20  Richard Guenther  <rguenther@suse.de>
3238
3239         * fold-const.c (split_tree): Associate floatig-point expressions
3240         if flag_associative_math is set.
3241
3242 2008-02-20  Richard Guenther  <rguenther@suse.de>
3243
3244         * tree.h (fold_real_zero_addition_p): Declare.
3245         * fold-const.c (fold_real_zero_addition_p): Export.
3246         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3247         floating-point operations with zero and one.
3248
3249 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3250
3251         * doc/install.texi: Correct references to CFLAGS, replacing them
3252         with BOOT_CFLAGS.  Document flags used during bootstrap for
3253         target libraries.
3254                                 
3255 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3258         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3259         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3260         insn constraint.
3261         (smin<mode>3): Ditto from similar patterns.
3262         (smax<mode>3): Ditto.
3263         (*ieee_smin<mode>3): Ditto.
3264         (*ieee_smax<mode>3): Ditto.
3265         * config/i386/sse.md (sse): New mode attribute.
3266         (mov<mode>): Macroize expander from movv4sf and movv2df using
3267         SSEMODEF2P mode iterator.
3268         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3269         SSE_VEC_FLOAT_MODE_P as insn constraint.
3270         (storent<mode>): Ditto.
3271         (storent<mode>): Macroize expander from storentsf and storentdf using
3272         MODEF mode iterator.
3273         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3274         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3275         (abs<mode>2): Ditto from similar patterns.
3276         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3277         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3278         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3279         (<sse>_vmsqrt<mode>2): Ditto.
3280         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3281         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3282         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3283         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3284         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3285         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3286         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3287         insn constraint.
3288         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3289         iterator and SSE_FLOAT_MODE_P as insn constraint.
3290         (<sse>_ucomi): Ditto from similar patterns.
3291         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3292         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3293         SSE_VEC_FLOAT_MODE_P as insn constraint.
3294         (vcond<mode>): Ditto from similar patterns.
3295         (and<mode>3, *and<mode>3): Ditto.
3296         (<sse>_nand<mode>3): Ditto.
3297         (ior<mode>3, *ior<mode>3): Ditto.
3298         (xor<mode>3, *xor<mode>3): Ditto.
3299         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3300         iterator and SSE_FLOAT_MODE_P as insn constraint.
3301         (*nand<mode>3): Ditto from similar patterns.
3302         (*ior<mode>3): Ditto.
3303         (*xor<mode>3): Ditto.
3304
3305 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3306
3307         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3308         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3309         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3310
3311 2008-02-19  Jan Hubicka  <jh@suse.cz>
3312
3313         * predict.c (tree_bb_level_predictions): Remove variable next
3314         mistakely introduced by previous commit.
3315
3316 2008-02-19  Jan Hubicka  <jh@suse.cz>
3317
3318         * predict.c (predict_paths_leading_to): Rewrite.
3319         (predict_paths_for_bb): New.
3320         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3321
3322 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3323
3324         PR bootstrap/35218
3325         * Makefile.in (build_file_translate): New.
3326         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3327         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3328         * configure.ac (build_file_translate): Substitute it.
3329         * configure: Regenerate.
3330
3331 2008-02-19  Jan Hubicka  <jh@suse.cz>
3332
3333         PR rtl-optimization/34408
3334         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3335         invalid sharing.
3336
3337 2008-02-19  Jan Hubicka  <jh@suse.cz>
3338
3339         PR middle-end/28779
3340         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3341         call_expr.
3342
3343 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3344
3345         PR Ada/35186
3346         * config/i386/i386-modes.def: Revert the last DI alignment
3347         change until Ada people can look into it.
3348
3349 2008-02-19  Nick Clifton  <nickc@redhat.com>
3350
3351         * opts.c (print_specific_help): Fix typo in --help text.
3352
3353 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR target/35239
3356         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3357         32-bit inline asm without asm alternatives for host GCC < 3.0.
3358
3359 2008-02-19  Richard Guenther  <rguenther@suse.de>
3360
3361         PR tree-optimization/34989
3362         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3363         Allow propagation to INDIRECT_REF if we can simplify only.
3364
3365 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3366
3367         * c-common.c (warn_for_collisions_1): Use appropriate option when
3368         warning.
3369
3370 2008-02-19  Nick Clifton  <nickc@redhat.com>
3371
3372         PR other/31349
3373         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3374         (handle_options): Fix indentation.
3375         (print_filtered_help): If no language-specific options were
3376         displayed tell the user how to list all the options supported by
3377         the language's front-end.
3378         (print_specific_help): Fix indentation and remove duplicate line.
3379         (common_handle_option): Handle the -v option.
3380         For --help enable the display of undocumented options if the -v
3381         switch has been included on the command line.
3382         For --help= check for overlaps in the arguments between the option
3383         classes and the language names and issue a warning when they
3384         cannot be disambiguated.
3385         * c.opt (v): Pass on to the common option handler.
3386
3387 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3388
3389         * modulo-sched.c (sms_schedule): Change dump message when
3390         create_ddg function fails.
3391         (try_scheduling_node_in_cycle): Rename row to cycle.
3392         (print_partial_schedule): Rename CYCLE to ROW.
3393
3394 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3395             Zdenek Dvorak  <ook@ucw.cz>
3396
3397         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3398
3399 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3400
3401         PR target/33555
3402         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3403         (*x86_movdicc_0_m1_se): Ditto.
3404
3405 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3406
3407         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3408         (CMPtype): Define as __gcc_CMPtype.
3409         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3410         (CMPtype): Define as __gcc_CMPtype.
3411
3412 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3413
3414         Support valgrind 3.3 for --enable-checking=valgrind.
3415         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3416         here.
3417         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3418         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3419         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3420         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3421         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3422         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3423         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3424         respectively.
3425         * ggc-zone.c: Similar.
3426         * ggc-page.c: Similar.
3427
3428 2008-02-19  Paul Brook  <paul@codesourcery.com>
3429
3430         PR target/35071
3431         * config/arm/ieee754-df.S: Fix do_it typo.
3432         * config/arm/ieee754-sf.S: Fix do_it typo.
3433
3434 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3435
3436         PR target/35189
3437         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3438         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3439         (OPTION_MASK_ISA_SSE_SET): Likewise.
3440         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3441         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3442         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3443         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3444         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3445         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3446         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3447         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3448         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3449         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3450         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3451         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3452         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3453         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3454         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3455         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3456         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3457         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3458         (OPTION_MASK_ISA_SSE4): Removed.
3459         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3460         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3461         (override_options): Don't turn on implied SSE/MMX bits in
3462         ix86_isa_flags.
3463
3464 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3465
3466         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3467         32bit host.
3468
3469 2008-02-18  Joey Ye  <joey.ye@intel.com>
3470
3471         PR middle-end/34921
3472         * tree-nested.c (insert_field_into_struct): Set type alignment
3473         to field alignment if the former is less than the latter.
3474
3475 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3476
3477         * BASE-VER: Set to 4.4.0.
3478
3479 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3480
3481         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3482         * doc/cfg.texi: Likewise.
3483         * doc/extend.texi: Likewise.
3484         * doc/gty.texi: Likewise.
3485         * doc/invoke.texi: Likewise.
3486         * doc/loop.texi: Likewise.
3487         * doc/md.texi: Likewise.
3488         * doc/passes.texi: Likewise.
3489         * doc/rtl.texi: Likewise.
3490         * doc/sourcebuild.texi: Likewise.
3491         * doc/tm.texi: Likewise.
3492         * doc/tree-ssa.texi: Likewise.
3493
3494 2008-02-17  Richard Guenther  <rguenther@suse.de>
3495
3496         PR middle-end/35227
3497         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3498         without default definition.
3499
3500 2008-02-17  Richard Guenther  <rguenther@suse.de>
3501
3502         PR tree-optimization/35231
3503         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3504         if A | B != 1.
3505
3506 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3507
3508         Revert:
3509         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3510         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3511         libgcc_cmp_return mode.
3512
3513 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3514
3515         PR c/28368
3516         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3517
3518 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3519
3520         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3521         multilibs.
3522
3523 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3524
3525         * doc/c-tree.texi: Use `@.' where appropriate.
3526         * doc/extend.texi: Likewise.
3527         * doc/install.texi: Likewise.
3528         * doc/invoke.texi: Likewise.
3529         * doc/loop.texi: Likewise.
3530         * doc/makefile.texi: Likewise.
3531         * doc/md.texi: Likewise.
3532         * doc/passes.texi: Likewise.
3533         * doc/standards.texi: Likewise.
3534         * doc/tm.texi: Likewise.
3535
3536 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3537
3538         PR middle-end/35196
3539         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3540         in entry_bb.
3541         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3542         rather than in entry_bb.
3543
3544 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3545
3546         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3547         libgcc_cmp_return mode.
3548
3549 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3550
3551         PR middle-end/35130
3552         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3553         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3554
3555 2008-02-15  Richard Guenther  <rguenther@suse.de>
3556             Zdenek Dvorak  <ook@ucw.cz>
3557
3558         PR tree-optimization/35164
3559         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3560         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3561         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3562         Only propagate addresses which do not have abnormal SSA_NAMEs
3563         in their operands.
3564
3565 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3566
3567         PR target/35088
3568         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3569
3570 2008-02-15  Jan Hubicka  <jh@suse.cz>
3571
3572         PR middle-end/35149
3573         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3574
3575 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3576
3577         PR middle-end/34621
3578         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3579         when calculating alignment_pad.
3580
3581 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3582
3583         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3584         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3585         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3586         and STACK_BOUNDARY define.
3587
3588 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3589
3590         PR preprocessor/35061
3591         * c-pragma.c (handle_pragma_pop_macro): Check that
3592         pushed_macro_table has been allocated.
3593
3594 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3595
3596         PR middle-end/35136
3597         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3598         (force_gimple_operand): Likewise.
3599         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3600         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3601         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3602         (find_interesting_uses_address): Check addressability and alignment
3603         of the base expression only after substituting bases of IVs into it.
3604
3605 2008-02-14  Michael Matz  <matz@suse.de>
3606
3607         PR target/34930
3608         * function.c (instantiate_virtual_regs_in_insn): Reload address
3609         before falling back to reloading the whole operand.
3610
3611 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3612
3613         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3614         before the first section switch note.
3615
3616 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3617
3618         * doc/bugreport.texi: Update copyright years.
3619         * doc/c-tree.texi: Likewise.
3620         * doc/cfg.texi: Likewise.
3621         * doc/cpp.texi: Likewise.
3622         * doc/cppinternals.texi: Likewise.
3623         * doc/fragments.texi: Likewise.
3624         * doc/frontends.texi: Likewise.
3625         * doc/gcc.texi: Likewise.
3626         * doc/gty.texi: Likewise.
3627         * doc/hostconfig.texi: Likewise.
3628         * doc/implement-c.texi: Likewise.
3629         * doc/libgcc.texi: Likewise.
3630         * doc/loop.texi: Likewise.
3631         * doc/makefile.texi: Likewise.
3632         * doc/options.texi: Likewise.
3633         * doc/passes.texi: Likewise.
3634         * doc/rtl.texi: Likewise.
3635         * doc/sourcebuild.texi: Likewise.
3636         * doc/standards.texi: Likewise.
3637         * doc/tree-ssa.texi: Likewise.
3638         * doc/trouble.texi: Likewise.
3639
3640         * doc/extend.texi: Use @: or add comma where appropriate.
3641         * doc/invoke.texi: Likewise.
3642         * doc/tm.texi: Likewise.
3643
3644 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3645
3646         PR target/34393
3647         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3648         to a reg.
3649
3650 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3651
3652         * doc/md.texi (clz, ctz): Add reference.
3653         * doc/rtl.texi (clz, ctz): Likewise.
3654
3655 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3656
3657         PR other/35148
3658         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3659         srcdir.
3660
3661 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3662
3663         * config/s390/s390.c (struct constant_pool): New field
3664         emit_pool_after added.
3665         (s390_mainpool_start): Set the emit_pool_after flag according
3666         to the section switch notes.
3667         (s390_mainpool_finish): Consider emit_pool_after when emitting
3668         the literal pool at the end of the function.
3669         (s390_chunkify_start): Force literal pool splits at section
3670         switch notes.
3671
3672 2008-02-13  Michael Matz  <matz@suse.de>
3673
3674         PR debug/35065
3675         * var-tracking.c (clobber_variable_part): Correctly traverse the
3676         list.
3677
3678 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3679
3680         PR 29673
3681         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3682         Add -fdump-ipa-inline.
3683         * tree-dump.c (dump_files): Remove tree-inlined dump.
3684         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3685         
3686 2008-02-12  Richard Guenther  <rguenther@suse.de>
3687
3688         PR tree-optimization/35171
3689         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3690         default defs.
3691
3692 2008-02-12  Richard Guenther  <rguenther@suse.de>
3693
3694         PR middle-end/35163
3695         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3696         value-preserving mode.  Disallow final truncation.
3697
3698 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3699
3700         PR middle-end/35136
3701         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3702         code from here to...
3703         (force_gimple_operand): ...here.
3704
3705 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3706
3707         PR c++/35144
3708         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3709         non-compatible pointers.
3710         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3711         different FIELD_DECLs, try harder by comparing field offsets, sizes
3712         and types.
3713
3714         PR inline-asm/35160
3715         * function.c (match_asm_constraints_1): Don't replace the same input
3716         multiple times.
3717
3718 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3719
3720         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3721         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3722         (expand_epilogue): Restore RAMPZ register.
3723         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3724
3725 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3726
3727         * config/i386/cygwin.asm: (__alloca): Correct calling
3728         convention and alignment.
3729         (__chkstk): Force 8 byte stack alignment.
3730
3731 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3732             Richard Guenther  <rguenther@suse.de>
3733
3734         PR tree-optimization/33992
3735         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3736         the zero we compare against.
3737
3738 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3739
3740         PR libfortran/35063
3741         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3742         to CloseHandle after unlocking to prevent accumulation of handle
3743         count.
3744
3745 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3746
3747         PR middle_end/34150
3748         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3749         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3750         and update LABEL_NUSES during and after reload.
3751
3752 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3753
3754         PR middle-end/34627
3755         * combine.c (simplify_if_then_else): Make sure the comparison is
3756         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3757
3758 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3759
3760         PR bootstrap/35051
3761         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3762         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3763         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3764         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3765         * tree.h (get_type_static_bounds): Likewise.
3766
3767 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3768
3769         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3770         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3771         Make -Wfoo language annotations match what the compiler outputs.
3772
3773 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3774
3775         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3776         intrinsics spu_convts, spu_convtu, spu_convtf.
3777         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3778
3779 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3780
3781         * doc/extend.texi (Function Attributes) <noinline>: Mention
3782         asm ("") as method to keep calls.
3783
3784 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3785
3786         PR other/32754
3787         * doc/options.texi (Options): Replace references to opts.sh with
3788         optc-gen.awk.
3789         * opts-common.c: Likewise.
3790         * optc-gen.awk: Likewise.
3791         
3792 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3793
3794         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3795
3796 2008-02-07  Richard Henderson  <rth@redhat.com>
3797
3798         PR rtl-opt/33410
3799         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3800         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3801         funny mode.
3802
3803 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3804
3805         PR tree-optimization/35085
3806         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3807         for operand entry oe2 in addition to operand entry oe3 in order to
3808         expose more opportunities for vectorizer sum reduction.
3809
3810 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3811
3812         PR other/35107
3813         * Makefile.in (LIBS): Remove $(GMPLIBS).
3814         (cc1-dummy, cc1): Add $(GMPLIBS).
3815
3816 2008-02-06  Jan Hubicka  <jh@suse.cz>
3817
3818         PR target/23322
3819         * i386.md (moddf_integer): Do not produce partial memory stalls for
3820         targets where it hurts.
3821
3822 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3823
3824         PR target/35083
3825         * optabs.c (expand_float): Do not check for decimal modes when
3826         expanding unsigned integer through signed conversion.
3827
3828 2008-02-06  Nick Clifton  <nickc@redhat.com>
3829
3830         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3831         inside the clobber with a match_operand and duplicated operand
3832         number in the constraint.
3833         (ineqbranchsi): Delete redundant comment.
3834
3835 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3836
3837         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3838         builtin_define ("__USE_INIT_FINI__").
3839         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3840         -msx multilibs.
3841         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3842
3843 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3844
3845         PR documentation/30330
3846         * doc/invoke.texi (C++ Dialect Options)
3847         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3848         For each warning option -Wfoo that allows -Wno-foo, ensure both
3849         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3850         entry of -Wswitch-default, index -Wnormalized= including the
3851         `=', and -Wlarger-than-@var{len} including @var{len}.
3852
3853 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3854
3855         * config/i386/i386.md (floatunssisf2): Use
3856         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3857         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3858         Macroize expander using MODEF mode iterator.
3859
3860 2008-02-05  Diego Novillo  <dnovillo@google.com>
3861
3862         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3863
3864         PR 33738
3865         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3866
3867 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3868
3869         PR other/35070
3870         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3871
3872 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3873
3874         PR target/35084
3875         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3876         to indicate if a message should be generated.
3877         (init_cumulative_args): Updated.
3878         (function_value_32): Likewise.
3879
3880 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3881
3882         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3883
3884 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3885
3886         PR target/35083
3887         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3888         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3889
3890 2008-02-04  Diego Novillo  <dnovillo@google.com>
3891
3892         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3893
3894         PR 33738
3895         * tree-vrp.c (vrp_evaluate_conditional): With
3896         -Wtype-limits, emit a warning when comparing against a
3897         constant outside the natural range of OP0's type.
3898
3899 2008-02-04  Richard Guenther  <rguenther@suse.de>
3900
3901         PR middle-end/33631
3902         * expr.c (count_type_elements): Give for unions instead of
3903         guessing.
3904
3905 2008-02-04  Richard Guenther  <rguenther@suse.de>
3906
3907         PR middle-end/35043
3908         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3909         to TYPE_DOMAINs base type instead of using bitsizetype here.
3910
3911 2008-02-03  Jason Merrill  <jason@redhat.com>
3912
3913         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3914
3915 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3916
3917         PR other/29972
3918         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3919         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3920         (RS/6000 and PowerPC Options): Fix typos and markup.
3921         * doc/passes.texi (Tree-SSA passes): Likewise.
3922
3923 2008-02-02  Michael Matz  <matz@suse.de>
3924
3925         PR target/35045
3926         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3927         from record_last_reg_set_info.
3928         (record_last_reg_set_info): Take an RTX argument, iterate over all
3929         constituent hardregs.
3930         (record_last_set_info, record_opr_changes): Change calls to
3931         new signature or to record_last_reg_set_info_regno.
3932
3933 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3934
3935         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3936
3937 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3938
3939         PR rtl-optimization/34773
3940         * reg-notes.def (EQUAL): Mention significance of combination of
3941         REG_EQUAL and REG_RETVAL.
3942         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3943         insn that has a REG_RETVAL.
3944
3945 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3946
3947         PR bootstrap/33781
3948         * configure.ac (--enable-fixed-point): Disable unless explicitly
3949         requested on IRIX.
3950         * configure: Regenerate.
3951
3952 2008-02-01  Richard Guenther  <rguenther@suse.de>
3953
3954         PR other/35042
3955         * invoke.texi (-finline-limit): Remove no longer true parts
3956         of the documentation.  Note that there is no default value.
3957
3958 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3959             Mark Mitchell  <mark@codesourcery.com>
3960             Ben Elliston  <bje@au.ibm.com>
3961
3962         PR c/29326
3963         * doc/extend.texi (Other Builtins): Document.
3964
3965 2008-01-31  Tom Browder <tom.browder@gmail.com>
3966
3967         * doc/c-tree.texi (Types): Fix grammar.
3968         (Expression trees): Ditto.
3969         * doc/passes.texi (Tree-SSA passes): Ditto.
3970         
3971         * doc/configterms.texi (Configure Terms): Fix typo.
3972         * doc/cpp.texi (Common Predefined Macros): Ditto.
3973         * doc/md.texi (Machine Constraints): Ditto.
3974         
3975         * doc/makefile.texi (Makefile): Add comma.
3976
3977 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3978             Gerald Pfeifer  <gerald@pfeifer.com>
3979         
3980         * doc/sourcebuild.texi (Front End): Remove references to CVS
3981         and CVSROOT/modules.
3982         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3983         (Back End): Remove reference to CVS.
3984
3985 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3986
3987         PR target/34900
3988         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3989         comment from...
3990         (mips16_gp_pseudo_reg): ...here.
3991         * config/mips/mips.md (load_const_gp): Replace with...
3992         (load_const_gp_<mode>): ...this :P-based insn.
3993
3994 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3995
3996         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3997         options. Minor fixes.
3998         (-std): Move reference to standards closer to where language
3999         standards are first mentioned.
4000         
4001 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4002
4003         PR rtl-optimization/34995
4004         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4005         parameter and return a bool.  If the rtx parameter is nonnull,
4006         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4007         (find_reloads): Update call accordingly.  Pass the new operand
4008         if it needed no address reloads, otherwise pass null.
4009
4010 2008-01-30  Richard Henderson  <rth@redhat.com>
4011
4012         PR c/34993
4013         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4014         for unbounded arrays.
4015
4016 2008-01-30  Silvius Rus  <rus@google.com>
4017
4018         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4019
4020 2008-01-30  Jan Hubicka  <jh@suse.cz>
4021
4022         PR target/34982
4023         * i386.c (init_cumulative_args): Use real function declaration when
4024         calling locally.
4025
4026 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4027
4028         PR rtl-optimization/34998
4029         * global.c (build_insn_chain): Treat non-subreg_lowpart
4030         SUBREGs of pseudos as clobbering all the words covered by the
4031         SUBREG, not just all the bytes.
4032         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4033         original df_ref rather than an extract parameter.
4034         (global_conflicts): Update call accordingly.
4035
4036 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4037
4038         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4039         the overflow check to make it easier to read.
4040         (__fixtfdi): Change the type of the ll member in union
4041         long_double to UDItype_x.
4042
4043 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4044
4045         PR middle-end/34969
4046         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4047         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4048         * tree-inline.c (fold_marked_statements): Call
4049         cgraph_update_edges_for_call_stmt if folding a call statement.
4050         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4051         debug_generic_stmt calls, reset it back afterwards.
4052
4053         PR c/35017
4054         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4055         static decls.
4056         * c-typeck.c (build_external_ref): Don't pedwarn about
4057         static vars in current function's scope.
4058
4059 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4060
4061         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4062
4063 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4064
4065         PR c/35002
4066         * ipa-struct-reorg.c: Fix spelling.
4067         * params.def: Ditto.
4068
4069 2008-01-29  Richard Guenther  <rguenther@suse.de>
4070
4071         PR middle-end/35006
4072         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4073         field.
4074         * tree-inline.c (remap_type): Increment remapping_type_depth
4075         around remapping types.
4076         (copy_body_r): Only add referenced variables if they are referenced
4077         from code, not types.
4078
4079 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4080
4081         PR c++/34055
4082         PR c++/34103
4083         PR c++/34219
4084         PR c++/34606
4085         PR c++/34753
4086         PR c++/34754
4087         PR c++/34755
4088         PR c++/34919
4089         PR c++/34961
4090         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4091         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4092
4093 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4094
4095         PR target/34412
4096         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4097         pointer for tiny stack.
4098
4099 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4100
4101         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4102
4103 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4104
4105         * config/vx-common.h: Fix typo in comment.
4106
4107 2008-01-28  Ian Lance Taylor  <iant@google.com>
4108
4109         PR c++/34862
4110         PR c++/33407
4111         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4112         coalesce pointers if they have different DECL_NO_TBAA_P values.
4113         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4114         between variables with different DECL_NO_TBAA_P values.
4115
4116 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4117
4118         PR 31535
4119         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4120         are not legitimate small data references on SPE targets.
4121
4122 2008-01-28  David Daney  <ddaney@avtrex.com>
4123
4124         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4125
4126 2008-01-28  David Daney  <ddaney@avtrex.com>
4127
4128         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4129
4130 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4131
4132         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4133         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4134         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4135         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4136         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4137         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4138         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4139         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4140
4141 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4142
4143         * basic-block.h (condjump_equiv_p): Fix comment.
4144
4145 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4146
4147         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4148         print_generic_stmt_indented): Fix comment.
4149
4150 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4151
4152         * configure.ac (__stack_chk_fail): Add detecion for availability
4153         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4154         * configure: Regenerate.
4155
4156 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4157
4158         PR middle-end/34688
4159         * final.c (output_addr_const): Handle TRUNCATE.
4160
4161 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4162
4163         PR target/34711
4164         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4165         (zero_cost, infinite_cost): New constants.
4166         (struct cost_pair): Change type of cost to comp_cost.
4167         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4168         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4169         New functions.
4170         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4171         split_address_cost, ptr_difference_cost, difference_cost,
4172         get_computation_cost_at, get_computation_cost,
4173         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4174         determine_use_iv_cost_condition, determine_use_iv_costs,
4175         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4176         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4177         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4178         Change type of cost to comp_cost.
4179         (determine_iv_cost): Increase cost of non-original ivs, instead
4180         of decreasing the cost of original ones.
4181         (get_address_cost): Indicate the complexity of the addressing mode 
4182         in comp_cost.
4183         (try_add_cand_for): Prefer using ivs not specific to some object.
4184         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4185
4186 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4187             Janis Johnson  <janis187@us.ibm.com>
4188
4189         PR target/34814
4190         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4191         (TARGET_INSTANTIATE_DECLS): Likewise.
4192         * target.h (expand_to_rtl_hook): New target hook.
4193         (instantiate_decls): Likewise.
4194         * function.c (instantiate_decl): Make non-static.  Rename to...
4195         (instantiate_decl_rtl): ... this.
4196         (instantiate_expr): Use instantiate_decl_rtl.
4197         (instantiate_decls_1): Likewise.
4198         (instantiate_decls): Likewise.
4199         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4200         * function.h (instantiate_decl_rtl): Add prototype.
4201         * cfgexpand.c (target.h): New include.
4202         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4203         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4204         (TARGET_INSTANTIATE_DECLS): Likewise.
4205         (TARGET_INITIALIZER): New target hooks added.
4206         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4207         New prototype.
4208         * config/rs6000/rs6000.c (tree-flow.h): New include.
4209         (machine_function): Add sdmode_stack_slot field.
4210         (rs6000_alloc_sdmode_stack_slot): New function.
4211         (rs6000_instantiate_decls): Likewise.
4212         (rs6000_secondary_memory_needed_rtx): Likewise.
4213         (rs6000_check_sdmode): Likewise.
4214         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4215         (TARGET_INSTANTIATE_DECLS): Likewise.
4216         (rs6000_hard_regno_mode_ok): Allow SDmode.
4217         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4218         (rs6000_emit_move): Handle SDmode.
4219         (function_arg_advance): Likewise.
4220         (function_arg): Likewise.
4221         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4222         SDmode var args for 32-bit compiles.
4223         (rs6000_secondary_reload_class): Handle SDmode.
4224         (rs6000_output_function_epilogue): Likewise.
4225         (rs6000_function_value): Simplify if statement.
4226         (rs6000_libcall_value): Likewise.
4227         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4228         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4229         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4230         (movsd_hardfloat): New define_insn.
4231         (movsd_softfloat): Likewise.
4232         (movsd_store): Likewise.
4233         (movsd_load): Likewise.
4234         (extendsddd2): Likewise.
4235         (extendsdtd2): Likewise.
4236         (truncddsd2): Likewise.
4237         (movdd_hardfloat64): Fixup comment.
4238         (UNSPEC_MOVSD_LOAD): New constant.
4239         (UNSPEC_MOVSD_STORE): Likewise.
4240
4241 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4242
4243         PR c++/34965
4244         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4245         TRUTH_XOR_EXPR.
4246         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4247         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4248         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4249         and TRUTH_XOR_EXPR.
4250
4251 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4252
4253         PR target/34794
4254         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4255         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4256         __LONGDOUBLE128 too.
4257         * config/rs6000/aix61.h: New file.
4258
4259 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4260
4261         PR rtl-optimization/34959
4262         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4263         popcount and parity rtxes the same mode as their operand.
4264         Truncate or extend the result to the return value's mode
4265         if necessary.
4266
4267 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4268
4269         PR target/34981
4270         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4271         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4272         to GOT_VERSION_REGNUM.
4273         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4274         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4275         * config/mips/mips.c (mips_emit_call_insn): New function.
4276         (mips_call_tls_get_addr): Call mips_expand_call directly.
4277         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4278         emit_call_insn.
4279         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4280         (mips_expand_call): Update the call to mips16_build_call_stub
4281         accordingly and a remove redundant condition.  Assert that MIPS16
4282         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4283         the call insn.
4284         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4285         TARGET_USE_GOT.
4286         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4287         (mips_avoid_hazard): Remove hazard_set handling.
4288         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4289         (UNSPEC_RESTORE_GP): ...this.
4290         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4291         (FAKE_CALL_REGNO): Rename to...
4292         (GOT_VERSION_REGNUM): ...this.
4293         (type): Add "ghost" value.  Add an associated insn reservation.
4294         (hazard_set): Remove.
4295         (exception_receiver): Rename to...
4296         (restore_gp): ...this and update the unspec identifier accordingly.
4297         (exception_receiver, nonlocal_got_receiver): New expanders.
4298         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4299         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4300         (set_got_version, update_got_version): New patterns.
4301
4302 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4303
4304         PR target/34970
4305         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4306
4307 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4308
4309         PR other/31955
4310         * doc/install.texi2html: Generate gcc-vers.texi.
4311
4312 2008-01-25  DJ Delorie  <dj@redhat.com>
4313
4314         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4315
4316 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4317
4318         * config/c4x: Remove directory.
4319         * config.gcc (crx-*, mt-*): Mark obsolete.
4320         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4321         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4322         sh-*-rtemscoff*): Remove cases.
4323         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4324         * real.c (encode_c4x_single, decode_c4x_single,
4325         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4326         c4x_extended_format): Remove.
4327         * real.h (c4x_single_format, c4x_extended_format): Remove.
4328         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4329         on C4x.
4330         (Pragmas): Remove comment about c4x pragmas.
4331         * doc/install.texi (c4x): Remove target-specific instructions.
4332         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4333         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4334         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4335         refer to C4x source files as examples.
4336         (C4X_FLOAT_FORMAT): Remove documentation.
4337
4338 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4339
4340         * config/bfin/bfin.c (override_options): Reorder tests so that
4341         flag_pic gets enabled for -msep-data.
4342
4343 2008-01-25  Richard Guenther  <rguenther@suse.de>
4344
4345         PR middle-end/32244
4346         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4347         to its bitfield precision if required.
4348
4349 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4350
4351         PR middle-end/33880
4352         * tree-nested.c (walk_omp_for): New function.
4353         (convert_nonlocal_reference, convert_local_reference): Call
4354         walk_omp_for on OMP_FOR.
4355         (convert_call_expr): Call walk_body on OMP_FOR's
4356         OMP_FOR_PRE_INIT_BODY.
4357
4358 2008-01-25  Richard Guenther  <rguenther@suse.de>
4359
4360         PR tree-optimization/34966
4361         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4362         default defs and PHI_NODEs we have to insert after the
4363         defining statement.
4364
4365 2008-01-24  Nick Clifton  <nickc@redhat.com>
4366
4367         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4368         Provide a default definition.
4369         (LIBGCC2_UNITS_PER_WORD): Likewise.
4370
4371         * config/stormy16/stormy16.c: Include df.h for the prototype
4372         for df_regs_ever_live_p.
4373         (xstormy16_expand_builtin_va_start): Convert the stack offset
4374         into a component_ref and then use POINTER_PLUS_EXPR to add it
4375         to the incoming_virtual_args_rtx.
4376         (xstormy16_gimplify_va_arg_expr): Rename to
4377         xstormy16_gimplify_va_arg_expr.
4378         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4379         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4380         xstormy16_gimplify_va_arg_expr.
4381         Fix up some formatting issues.
4382
4383         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4384         Move to predicates.md.
4385         (xs_hi_general_operand): Likewise.
4386         (xs_hi_nonmemory_operand): Likewise.
4387         * config/stormy16/predicates.md:
4388         (xstormy16_carry_plus_operand): New predicate.
4389         (xs_hi_general_operand): New predicate.
4390         (xs_hi_nonmemory_operand): New predicate.
4391         * config/stormy16/stormy16-protos.h:
4392         (xstormy16_carry_plus_operand): Delete prototype.
4393         (xs_hi_general_operand): Likewise.
4394         (xs_hi_nonmemory_operand): Likewise.
4395
4396         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4397         modifiers as they are no longer needed and they can trigger
4398         reload spill failures.
4399
4400         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4401         with a match_operand in order to help reload.
4402
4403         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4404         constraint with 'e' for the 8th alternative as this version of
4405         the mov.w instruction only accepts the lower 8 registers.
4406
4407 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4408
4409         PR target/34856
4410         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4411         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4412         vector elements.
4413
4414 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4415
4416         PR middle-end/33333
4417         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4418
4419 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4420
4421         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4422         New functions.
4423         (remove_structure): Update allocations list before removing structure.
4424         
4425 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4426
4427         * ipa-struct-reorg.c (is_safe_cond_expr, 
4428         create_new_stmts_for_cond_expr): Use integer_zerop function,
4429         that recognize not only zero-pointer, but zero-integer too.
4430
4431 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4432
4433         PR other/22232
4434         * fixproto: Escape "." in sed expression that strips leading "./".
4435
4436 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4437
4438         PR driver/34904
4439         * gcc.c (SWITCH_OK): Removed.
4440         (SWITCH_LIVE): Changed to bit.
4441         (SWITCH_FALSE): Likewise.
4442         (SWITCH_IGNORE): Likewise.
4443         (switchstr): Change live_cond to unsigned int.
4444         (process_command): Replace SWITCH_OK with 0.
4445         (do_self_spec): Likewise.
4446         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4447         (give_switch): Likewise.
4448         (used_arg): Likewise.
4449         (do_spec_1): Set the SWITCH_IGNORE bit.
4450         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4451         bits.  Set the SWITCH_LIVE bit.
4452
4453 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4454
4455         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4456
4457 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4458
4459         PR tree-optimization/34472
4460         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4461         parameter to a "bool *" and set *DATA to false if there is
4462         an unsafe access.  Do not delete the structure here.
4463         (check_cond_exprs): Delete it here instead.
4464         (check_cond_exprs, exclude_cold_structs): Do not increase
4465         I when removing a structure.
4466
4467 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4468
4469         PR target/34856
4470         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4471         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4472
4473 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4474
4475         PR middle-end/34934
4476         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4477         a fixed vector for stack.
4478
4479 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4480
4481         PR c++/25701
4482         * doc/gcc.texi (Software development): Add a direntry for g++.
4483         
4484 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4485
4486         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4487         stale and straggling -fforce-addr comments above.
4488
4489         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4490         define.
4491         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4492         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4493
4494 2008-01-23  Michael Matz  <matz@suse.de>
4495
4496         PR debug/34895
4497         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4498         gen_type_die.
4499
4500 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4501
4502         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4503         malloc result type.
4504
4505 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4506
4507         * config/avr/avr.c (avr_current_arch): New variable.
4508         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4509         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4510         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4511         (avr_override_options): Init 'avr_current_arch'. 
4512         (base_arch_s): Move from here...
4513         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4514         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4515         'mega' to 'have_jmp_call'.
4516         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4517         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4518         macros.
4519         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4520         architectures.
4521         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4522         MULTILIB_MATCHES): (Ditto.).
4523
4524 2008-01-23  Richard Guenther  <rguenther@suse.de>
4525
4526         PR middle-end/31529
4527         * cgraphunit.c (cgraph_reset_node): Always mark the node
4528         not reachable if it is not queued already.
4529
4530 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4531
4532         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4533         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4534         (cputype_selected): New static variable.
4535         (bfin_handle_option): Set it if -mcpu is used.
4536         (override_option): Select default set of workarounds if no cpu type
4537         selected on the command line.
4538         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4539
4540         From  Michael Frysinger  <michael.frysinger@analog.com>
4541         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4542         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4543
4544         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4545         for bf547, bf523, bf524, and bf526.
4546         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4547         bf526.
4548         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4549         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4550         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4551         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4552         * doc/invoke.texi (Blackfin Options): Document that
4553         -mcpu now accept bf547, bf523, bf524, and bf526.
4554
4555 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4556
4557         PR rtl-optimization/34628
4558         * combine.c (try_combine): Stop and undo after the first combination
4559         if an autoincrement side-effect on the first insn has effectively
4560         been lost.
4561
4562 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4563
4564         PR target/34529
4565         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4566         Offset addresses are not valid for Altivec or paired float modes.
4567
4568 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4569
4570         PR c++/34607
4571         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4572         if DECL_INITIAL (decl) is error_mark_node.
4573
4574         PR c++/34914
4575         * c-common.c (handle_vector_size_attribute): Only allow
4576         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4577         the same way as pointer, array etc. types.
4578         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4579
4580         PR c++/34917
4581         * tree.c (build_type_attribute_qual_variant): Call
4582         build_qualified_type if attributes are equal, but quals are not.
4583
4584 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4585
4586         PR 32102
4587         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4588         * flags.h (warn_strict_aliasing): Remove.
4589         (warn_strict_overflow): Remove.
4590         * opts.c (warn_strict_aliasing): Remove.
4591         (warn_strict_overflow): Remove.
4592         * c-opts.c (c_common_handle_option): -Wall only sets
4593         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4594         (c_common_post_options): Give default values to -Wstrict-aliasing
4595         and -Wstrict-overflow if they are uninitialized.
4596         * common.opt (Wstrict-aliasing): Specify Var and Init.
4597         (Wstrict-overflow): Likewise.
4598
4599 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4600
4601         PR rtl-optimization/26854
4602         PR rtl-optimization/34400
4603         PR rtl-optimization/34884
4604         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4605         DF_RD->gen.
4606         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4607         (df_rd_bb_info.expanded_lr_out): Deleted
4608         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4609         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4610         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4611         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4612         Removed code to allocate, initialize or free expanded_lr_out.
4613         (df_rd_bb_local_compute_process_def): Restructured to make more
4614         understandable.
4615         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4616         sets if the sets are being trimmed.
4617
4618 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4619
4620         PR bootstrap/32287
4621         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4622         (as_vers): Likewise.
4623         * configure: Regenerated.
4624
4625 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4626
4627         PR middle-end/33092
4628         * tree-pass.h (pass_build_alias): New pass.
4629         * tree-ssa-alias.c (gate_build_alias): New.
4630         (pass_build_alias): New.
4631         * passes.c (init_optimization_passes): Add pass_build_alias after
4632         pass_create_structure_vars.
4633
4634 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4635
4636         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4637         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4638         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4639         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4640         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4641         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4642         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4643         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4644         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4645         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4646         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4647         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4648         * config/s390/s390.md (FP_ALL): New mode iterator.
4649         (_d): New mode attribute.
4650         ("*signbit<mode>2>"): Changed mode of first operand.
4651         ("isinf<mode>2"): Changed mode of first operand.
4652         ("*TDC_insn"): Adaptation for DFP modes.
4653
4654 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4655
4656         * tree.c (check_qualified_type): Improve function description.
4657
4658 2008-01-21  Jason Merrill  <jason@redhat.com>
4659
4660         PR c++/34196
4661         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4662         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4663         if it is set.
4664
4665 2008-01-21  DJ Delorie  <dj@redhat.com>
4666
4667         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4668         return zero.
4669
4670 2008-01-21  Richard Guenther  <rguenther@suse.de>
4671
4672         PR middle-end/34856
4673         * tree-cfg.c (verify_expr): Allow all invariant expressions
4674         instead of just constant class ones as reference argument.
4675         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4676         like any other constant.
4677         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4678
4679 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4680
4681         * regmove.c (fixup_match_1): Update call crossed frequencies.
4682
4683 2008-01-21  Richard Guenther  <rguenther@suse.de>
4684
4685         PR c/34885
4686         * tree-inline.c (setup_one_parameter): Deal with mismatched
4687         types using a VIEW_CONVERT_EXPR.
4688
4689 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4690             Olga Golovanevsky  <olga@il.ibm.com>
4691         
4692         PR tree-optimization/34701
4693         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4694         when the structure size is not a power of 2.
4695
4696 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4697
4698         * doc/install.texi: Add doc for --enable-checking=df.
4699         
4700 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4701
4702         PR rtl-optimization/34808
4703         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4704
4705 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4706
4707         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4708         input.
4709
4710 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4711
4712         PR rtl-optimization/26854
4713         PR rtl-optimization/34400
4714         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4715         DF_RD->gen.
4716         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4717         (df_rd_bb_info.expanded_lr_out): New.
4718         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4719         * loop_iv.c (iv_analysis_loop_init): Ditto.
4720         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4721         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4722         Added code to allocate, initialize or free expanded_lr_out.
4723         (df_rd_bb_local_compute_process_def): Restructured to make
4724         more understandable.
4725         (df_rd_confluence_n): Add code to do nothing with fake edges and
4726         code to no apply invalidate_by_call sets if the sets are being trimmed.
4727         (df_lr_local_finalize): Renamed to df_lr_finalize.
4728         (df_live_local_finalize): Renamed to df_live_finalize.
4729
4730 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4731
4732         PR target/34831
4733         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4734         deciding whether to use reciprocal instructions.
4735
4736 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4737
4738         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4739         dwarf2out_note_section_used if cold_text_section is NULL.
4740
4741 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4742
4743         PR gcov-profile/34610
4744         * tree-cfg.c (make_edges): Mark both outgoing edges from
4745         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4746         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4747         from OMP_FOR and OMP_CONTINUE outgoing edges.
4748
4749         * tree-profile.c (tree_profiling): Return early if
4750         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4751         at the end.
4752         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4753         from cfun to child_cfun.
4754         * function.h (struct function): Add after_tree_profile bit.
4755
4756 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4757
4758         * config/avr/avr.S (_exit): Disable interrupt.
4759
4760 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4761             Steven Bosscher  <stevenb.gcc@gmail.com>
4762
4763         PR rtl-optimization/26854
4764         PR rtl-optimization/34400
4765         * df-problems.c (df_live_scratch): New scratch bitmap.
4766         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4767         (df_live_reset): Clear the proper bitmaps.
4768         (df_live_bb_local_compute): Only process the artificial defs once
4769         since the order is not important.
4770         (df_live_init): Init the df_live sets only with the variables
4771         found live by df_lr.
4772         (df_live_transfer_function): Use the df_lr sets to prune the
4773         df_live sets as they are being computed.  
4774         (df_live_free): Free df_live_scratch.
4775
4776 2008-01-18  Ian Lance Taylor  <iant@google.com>
4777
4778         * common.opt: Add fmerge-debug-strings.
4779         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4780         flag_merge_debug_strings rather than flag_merge_constants.
4781         * doc/invoke.texi (Option Summary): Mention
4782         -fmerge-debug-strings.
4783         (Debugging Options): Document -fmerge-debug-strings.
4784
4785 2008-01-18  Ian Lance Taylor  <iant@google.com>
4786
4787         PR c++/33407
4788         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4789         (struct tree_function_decl): Add new field operator_new_flag.
4790         * tree-inline.c (expand_call_inline): When inlining a call to
4791         operator new, force the return value to go into a variable, and
4792         set DECL_NO_TBAA_P on that variable.
4793         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4794
4795 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4796
4797         PR debug/34484
4798         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4799         DWARF2_DEBUGGING_INFO.
4800         (dwarf2out_note_section_used): Ditto.  Add prototype.
4801         (have_multiple_function_sections, text_section_used,
4802         cold_text_section_used, *cold_text_sections): Move declarations
4803         before their uses.
4804
4805 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4806
4807         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4808         field and add signal_ra.
4809         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4810         assignments to frame state pc.  Move end of stack check after
4811         MD_FALLBACK_FRAME_STATE_FOR.
4812         (uw_update_context_1): Use frame state signal_regs if set, instead
4813         of checking signal_frame flag.
4814         (uw_update_context): Use frame state signal_ra if set.
4815         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4816         * config/xtensa/linux-unwind.h: New file.
4817
4818 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4819
4820         * modulo-sched.c (get_sched_window): Fix comment typo.
4821
4822 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4823
4824         PR tree-optimization/34648
4825         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4826
4827 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4828
4829         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4830         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4831
4832 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4833
4834         PR rtl-optimization/34400
4835         * df-core.c (df_worklist_dataflow_overeager,
4836         df_worklist_dataflow_doublequeue): New functions.
4837         (df_worklist_dataflow): Two different worklist solvers.
4838         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4839         New param.
4840
4841 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4842
4843         PR testsuite/34821
4844         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4845         and ftree-parallelize-loops.
4846
4847 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4848
4849         PR rtl-optimization/34826
4850         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4851
4852 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4853
4854         * global.c (find_reg): Mark the eh regs as used if necessary.
4855         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4856         * ra.h (struct allocno): no_eh_reg field added.  Changed
4857         no_stack_reg type to bitfield.
4858
4859 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4860
4861         * tree.c (substitute_in_expr): Add missing 'break'.
4862
4863 2008-01-17  Richard Guenther  <rguenther@suse.de>
4864
4865         PR tree-optimization/34825
4866         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4867         x / x as division to handle.
4868
4869 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4870
4871         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4872         "-pthread" is specified.
4873         * pa-hpux11.h (LIB_SPEC): Likewise.
4874
4875 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4876             Peter Bergner  <bergner@vnet.ibm.com>
4877
4878         PR rtl-optimization/33796
4879         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4880
4881 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4882
4883         PR libgfortran/34699
4884         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4885         static links.
4886         * pa-hpux10.h (LINK_SPEC): Likewise.
4887         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4888
4889 2008-01-16  Richard Guenther  <rguenther@suse.de>
4890
4891         PR middle-end/32628
4892         * fold-const.c (fold_convert_const_int_from_int): Do not
4893         set overflow if that occured only because of a sign extension
4894         change when converting from/to a sizetype with the same
4895         precision and signedness.
4896
4897 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4898
4899         PR debug/34249
4900         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4901         location address to the correct place.  Update copyright year.
4902
4903 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4904
4905         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4906         no dependences in the dependence_relations vector.
4907
4908 2008-01-16  Jan Hubicka  <jh@suse.cz>
4909
4910         PR rtl-optimization/31396
4911         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4912         * cfg.c (dump_reg_info): Print it.
4913         * regs.h (struct reg_info_t): add freq_calls_crossed.
4914         (REG_FREQ_CALLS_CROSSED): New macro.
4915         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4916         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4917         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4918         regmove_optimize): Update call crossed frequencies.
4919         * local-alloc.c (struct qty): Add freq_calls_crossed.
4920         (alloc_qty): Copute freq_calls_crossed.
4921         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4922         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4923         * ra.h (struct allocno): Add freq_calls_crossed.
4924
4925 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4926
4927         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4928         libgomp when compiling with ftree-parallelize-loops.
4929         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4930
4931 2008-01-16  Richard Guenther  <rguenther@suse.de>
4932
4933         PR tree-optimization/34769
4934         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4935         * tree.c (int_cst_value): Instead make this function more
4936         permissive in what it accepts as valid input.  Document this
4937         function always sign-extends the value.
4938
4939 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4940             Richard Guenther  <rguenther@suse.de>
4941
4942         PR c/34668
4943         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4944         (gimple_fold_indirect_ref_rhs): ... this.
4945         (gimple_fold_indirect_ref): New function with foldings
4946         that preserve lvalueness.
4947         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4948         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4949         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4950         to fold an INDIRECT_REF, fall back to the old use of
4951         fold_indirect_ref_1.
4952
4953 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4954
4955         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4956         free_conflict_function.
4957         (compute_self_dependence): Same.
4958
4959 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4960
4961         PR debug/34249
4962         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4963         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4964         function global.
4965         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4966         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4967         for DWARF2_UNWIND_INFO targets.
4968
4969 2008-01-16  Richard Guenther  <rguenther@suse.de>
4970
4971         PR c/34768
4972         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4973         type qualifiers for function types.
4974
4975 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4976
4977         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4978         loop_iterator li from previous commit.
4979
4980 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4981
4982         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4983
4984 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4985
4986         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4987         (parallelize_loops): Don't parallelize irreducible components.
4988
4989 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4990
4991         PR c++/24924
4992         * c-opts (c_common_post_options): Do not enable CPP
4993         flag_pedantic_errors by default.
4994         
4995 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4996
4997         PR rtl-optimization/31944
4998         * cse.c (remove_pseudo_from_table): New function.
4999         (merge_equiv_classes): Use above function to remove pseudo-registers.
5000         (invalidate): Likewise.
5001
5002 2008-01-13  Richard Guenther  <rguenther@suse.de>
5003
5004         PR middle-end/34601
5005         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5006         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5007
5008 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5009
5010         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5011         validate_change to unshare the source of the PC set.
5012
5013 2008-01-12  Jan Hubicka  <jh@suse.cz>
5014
5015         PR middle-end/32135
5016         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5017         references above array bounds.  This might trigger bounds checks for
5018         pointers to arrays.
5019
5020 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5021
5022         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5023         new_replaceable_dependencies.
5024
5025 2008-01-12  Doug Kwan  <dougkwan@google.com>
5026
5027         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5028         instead of OPT_Wreturn_type in warning due to ignored return type
5029         qualifiers.
5030         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5031         options included in -Wextra.
5032         * c.opt: New option -Wignored_qualifiers.
5033         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5034         -Wignore_qualifiers.
5035         (-Wignored-qualifiers): Document.
5036         (-Wreturn-type): Remove description of functionality now handled
5037         by -Wignored-qualifiers.
5038
5039 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5040
5041         PR ada/33788
5042         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5043         NOP_EXPR if it is between integral types with the same precision.
5044
5045 2008-01-12  Jan Hubicka  <jh@suse.cz>
5046
5047         PR other/28023
5048         * invoke.texi (max-inline-recursive-depth): Fix default value.
5049
5050 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5051
5052         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5053         correct type.
5054
5055 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5056         
5057         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5058         
5059 2008-01-11  James E. Wilson  <wilson@specifix.com>
5060
5061         PR target/26015
5062         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5063
5064 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5065
5066         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5067         save/restore frame pointer register and don't use 'call-prologues' 
5068         optimization in function with "OS_task" attribute.
5069
5070 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5071
5072         PR middle-end/31309
5073         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5074         when copying to memory.
5075
5076 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5077
5078         PR rtl-optimization/30905
5079         * cfgcleanup.c: Include dce.h
5080         (crossjumps_occured): New global variable.
5081         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5082         If something changed, set crossjumps_occured to true.
5083         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5084         Don't add/remove fake edges to exit here...
5085         (cleanup_cfg): ...but do it here, when crossjumping.
5086         Run a fast DCE when successful crossjumps occured in the latest
5087         iteration of try_optimize_cfg.
5088
5089 2008-01-11  Richard Guenther  <rguenther@suse.de>
5090
5091         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5092         (struct vn_unary_op_s): Likewise.
5093         (vn_reference_insert): Free old reference on hash collision.
5094
5095 2008-01-10  Raksit Ashok  <raksit@google.com>
5096
5097         PR rtl-optimization/27971
5098         * combine.c (find_split_point): Split PLUS expressions which are
5099         inside a MEM rtx, and whose first operand is complex.
5100
5101 2008-01-10  DJ Delorie  <dj@redhat.com>
5102
5103         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5104         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5105         (m32c_hard_regno_ok): Call the underlying function.
5106
5107 2008-01-10  Richard Guenther  <rguenther@suse.de>
5108
5109         PR middle-end/34683
5110         * tree-cfg.c (tree_merge_blocks): Do not go through the
5111         full-blown folding and stmt updating path if we just deal
5112         with virtual operands.
5113         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5114         test for abnormal SSA_NAMEs.
5115
5116 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5117
5118         PR middle-end/34641
5119         * reload.c (push_reload): Add assertions.  All constants from
5120         reg_equiv_constant should have been used for replacing the respective
5121         pseudo earlier.
5122         (find_reloads_address): Invoke find_reloads_address_part for
5123         constant taken from the reg_equiv_constant array.
5124
5125 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5126
5127         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5128         field (valnum) the first in the struct.  Replace bools with
5129         unit bit fields.
5130
5131 2008-01-10  Richard Guenther  <rguenther@suse.de>
5132
5133         PR tree-optimization/34651
5134         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5135         types and ordering for masking and converting.
5136
5137 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         PR tree-optimization/34017
5140         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5141         also for PHI_NODE expressions.
5142
5143 2008-01-09  Jan Hubicka  <jh@suse.cz>
5144
5145         PR tree-optimization/34708
5146         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5147         based on number of case labels.
5148         (init_inline_once): Remove switch_cost.
5149         * tree-inline.h (eni_weights_d): Remove switch_cost.
5150
5151 2008-01-09  Richard Guenther  <rguenther@suse.de>
5152         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5153
5154         PR middle-end/30132
5155         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5156         temporary if an rvalue is ok or an lvalue is not required.
5157
5158 2008-01-09  Richard Guenther  <rguenther@suse.de>
5159
5160         PR middle-end/34458
5161         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5162         adjust return type.
5163
5164 2008-01-09  Richard Guenther  <rguenther@suse.de>
5165
5166         PR middle-end/34679
5167         * tree.c (host_integerp): Check for sizetype only if the
5168         type is an integer type.
5169
5170 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5171
5172         PR debug/26364
5173         * opts.c (decode_options): Disable inlining of functions called
5174         once if not in unit-at-a-time mode.
5175
5176 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5177
5178         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5179
5180 2008-01-08  Richard Guenther  <rguenther@suse.de>
5181
5182         PR middle-end/31863
5183         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5184         out early if the result will be unused.
5185
5186 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5187
5188         PR target/34709
5189         Revert:
5190
5191         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5192         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5193         for TARGET_RECIP.       
5194         
5195 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5196         
5197         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5198         for vectorization tuned.
5199         
5200 2008-01-08  Richard Guenther  <rguenther@suse.de>
5201
5202         PR tree-optimization/34683
5203         * tree-ssa-operands.c (operand_build_cmp): Export.
5204         * tree-ssa-operands.h (operand_build_cmp): Declare.
5205         * tree-vn.c (vuses_compare): Remove.
5206         (sort_vuses): Use operand_build_cmp.
5207         (sort_vuses_heap): Likewise.
5208         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5209         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5210         (vdefs_to_vec): Do not sort already sorted VDEFs.
5211
5212 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5213
5214         PR middle-end/34694
5215         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5216
5217 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5218
5219         PR target/34702
5220         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5221         limitations of reciprocal sequences on x86 targets.
5222
5223 2008-01-08  Richard Guenther  <rguenther@suse.de>
5224
5225         PR tree-optimization/34683
5226         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5227
5228 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5229
5230         PR target/34622
5231         * config/darwin.c (darwin_mergeable_string_section): Don't use
5232         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5233
5234 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5235
5236         PR target/34682
5237         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5238         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5239         predicates of op0 and op1 to register_operand.
5240         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5241         expander using X87MODEF mode iterator.  Change predicates of
5242         op0 and op1 to register_operand.
5243         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5244         corresponding patterns and macroize using MODEF macro.  Change
5245         predicates of op0 and op1 to register_operand and remove
5246         "m" constraint. Disparage "r" alternative with "!".
5247         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5248         macroize using X87MODEF macro.  Change predicates of op0 and op1
5249         to register_operand and remove "m" constraint.  Disparage "r"
5250         alternative with "!".
5251         (absneg splitter with memory operands): Remove.
5252         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5253         patterns and macroize using X87MODEF mode iterator.
5254         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5255         Change predicate of op1 to register_operand.
5256         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5257         for memory operands.
5258
5259 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5260
5261         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5262
5263 2008-01-07  Richard Guenther  <rguenther@suse.de>
5264
5265         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5266         fields.
5267
5268 2008-01-07  Richard Guenther  <rguenther@suse.de>
5269
5270         PR tree-optimization/34683
5271         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5272         VOPs of the needed size to save memory.  Use VEC_quick_push
5273         to save compile-time.
5274         (vdefs_to_vec): Likewise.
5275
5276 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5277
5278         * config/spu/spu.md (divdf3): Genetate inline code for double
5279         division.  The implementation doesn't handle INF or NAN, therefore it
5280         only applies when -ffinite-math-only is given.
5281
5282 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5283
5284         PR libstdc++/34680
5285         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5286         * doc/cpp.texi ([Common Predefined Macros]): Document.
5287
5288 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5289
5290         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5291         order to use commutative addition instead of subtraction.
5292
5293 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5294             Mircea Namolaru  <namolaru@il.ibm.com>
5295             Vladimir Yanovsky  <yanov@il.ibm.com>
5296             Revital Eres  <eres@il.ibm.com>
5297
5298         PR tree-optimization/34263
5299         * tree-outof-ssa.c (process_single_block_loop_latch,
5300         contains_tree_r): New functions.
5301         (analyze_edges_for_bb): Call process_single_block_loop_latch
5302         function to empty single-basic-block latch block if possible.
5303
5304 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5305
5306         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5307         for TARGET_RECIP.
5308         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5309
5310 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5311
5312         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5313
5314 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5315
5316         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5317
5318 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5319
5320         PR tree-optimization/34618
5321         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5322         flag from T.
5323
5324 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5325
5326         PR target/34673
5327         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5328         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5329         Update copyright year.
5330
5331         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5332         Update copyright year.
5333         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5334         using NR fixup.
5335
5336 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5337
5338         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5339         edge does not point to current bb before changing need_assert.
5340
5341 2008-01-04  Richard Guenther  <rguenther@suse.de>
5342
5343         PR middle-end/34029
5344         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5345         for verifying purposes if they are is_gimple_min_invariant.
5346
5347 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5348
5349         PR tree-optimization/34448
5350         PR tree-optimization/34465
5351         * gimplify.c (gimplify_init_constructor): Add new parameter
5352         notify_temp_creation.  Use it.
5353         (gimplify_modify_expr_rhs): Take volatiles into account when
5354         optimizing constructors.
5355         Do not optimize constructors if gimplify_init_constructor will dump to
5356         memory.
5357         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5358         * gcc.c-torture/compile/pr34448.c: New.
5359
5360 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5361
5362         PR gcov-profile/34609
5363         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5364         return_slot if result is TREE_ADDRESSABLE.
5365
5366 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5367
5368         * config/mips/mips.md (sqrt_condition): Tweak comment.
5369         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5370
5371 2008-01-03  Tom Tromey  <tromey@redhat.com>
5372
5373         PR c/34457
5374         * c-common.c (c_type_hash): Handle VLAs.
5375
5376 2008-01-03  Jan Hubicka  <jh@suse.cz>
5377
5378         PR tree-optimization/31081
5379         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5380         0 when inlining and not inlining to first basic block.
5381         (remap_decl): When var is initialized to 0, don't set default_def.
5382         (expand_call_inline): Set entry_bb.
5383         * tree-inline.h (copy_body_data): Add entry_bb.
5384
5385 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5386
5387         PR c++/34619
5388         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5389         before returning.
5390
5391         PR tree-optimization/29484
5392         * tree-inline.c (inline_forbidden_p_2): New function.
5393         (inline_forbidden_p): Disallow inlining if some static var
5394         has an address of a local LABEL_DECL in its initializer.
5395         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5396         vs. inlining.
5397
5398 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5399
5400         PR tree-optimization/34635
5401         * tree-data-ref.c (add_other_self_distances): Make sure that the
5402         evolution step is constant.
5403
5404 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5405
5406         PR middle-end/34608
5407         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5408
5409 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5410
5411         * tree-sra.c (scalarize_init): Insert the generate_element_init
5412         statements after the generate_element_zero statements.
5413
5414 2008-01-02  Richard Guenther  <rguenther@suse.de>
5415
5416         PR middle-end/34093
5417         PR middle-end/31976
5418         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5419         for very large number of operands instead of ICEing.
5420
5421 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5422
5423         PR target/34013
5424         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5425         while stack probing.
5426
5427 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5428
5429         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5430         in C++0x mode.
5431
5432 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5433
5434         PR libmudflap/26442
5435         * tree-mudflap.c (mx_register_decls): Guard warning by
5436         !DECL_ARTIFICIAL check.
5437
5438 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5439
5440         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5441         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5442         sse5_perm<mode>): Fix constraints.