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