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1 2008-03-31  Jan Beulich  <jbeulich@novell.com>
2
3         * config/ia64/constraints.md: Add 'j' constraint.
4         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5         (movdi_internal): Likewise.
6
7 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
8
9         PR c/35748
10         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
11
12 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
13
14         PR target/35757
15         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
16         proper error message for the third argument on blendpd and
17         blendps.
18
19         * config/i386/sse.md (blendbits): New.
20         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
21
22 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
23
24         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
25
26 2008-03-30  Richard Guenther  <rguenther@suse.de>
27
28         PR middle-end/31023
29         * fold-const.c (fold_sign_changed_comparison): Do leave
30         conversions to base-types alone.
31
32 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33
34         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
35         the link register if one altivec register is be saved.
36
37 2008-03-30  Ben Elliston  <bje@au.ibm.com>
38
39         * final.c (final_scan_insn): Remove if (0) code.
40
41 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
42
43         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
44
45 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
46
47         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
48         of V4SFmode to ix86_binary_operator_ok.
49
50 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
51
52         * config/i386/i386.c (override_options): Initialize
53         ix86_veclib_handler to ix86_veclibabi_svml when
54         -mveclibabi=svml is used.
55         (ix86_veclibabi_svml): New function for SVML ABI style
56         vectorization support.
57         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
58
59 2008-03-28  Rafael Espindola  <espindola@google.com>
60
61         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
62         (tree_binary_nonnegative_warnv_p): Make it public.
63         (tree_single_nonnegative_warnv_p): Make it public.
64         (tree_invalid_nonnegative_warnv_p): Make it public.
65         (tree_unary_nonzero_warnv_p): Make it public.
66         (tree_binary_nonzero_warnv_p): Make it public
67         (tree_single_nonzero_warnv_p): Make it public.
68         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
69         (extract_range_from_binary_expr): Split the expr argument.
70         (extract_range_from_unary_expr): Split the expr argument.
71         (extract_range_from_comparison): Split the expr argument.
72         (extract_range_from_expr): Use the new aux functions.
73         (vrp_evaluate_conditional_warnv): Use
74         vrp_evaluate_conditional_warnv_with_ops.
75         * tree.h (tree_unary_nonzero_warnv_p): Declare.
76         (tree_binary_nonzero_warnv_p): Declare.
77         (tree_single_nonzero_warnv_p): Declare.
78         (tree_expr_nonzero_warnv_p): Declare.
79         (tree_unary_nonnegative_warnv_p): Declare.
80         (tree_binary_nonnegative_warnv_p): Declare.
81         (tree_single_nonnegative_warnv_p): Declare.
82         (tree_invalid_nonnegative_warnv_p): Declare.
83
84 2008-03-28  Richard Guenther  <rguenther@suse.de>
85
86         PR tree-optimization/30317
87         PR tree-optimization/30911
88         PR tree-optimization/34793
89         * tree-vrp.c (set_and_canonicalize_value_range): New function.
90         (struct assert_locus_d): New member EXPR.
91         (register_new_assert_for): Add EXPR parameter to support
92         ASSERT_EXPR <name, expr OP limit>.
93         (register_edge_assert_for_1): Adjust callers.
94         (find_assert_locations): Likewise.
95         (process_assert_insertions_for): Build condition from expression.
96         (extract_range_from_assert): Handle ASSERT_EXPRs
97         of the form ASSERT_EXPR <name, expr OP limit>.
98         (register_edge_assert_for_2): New helper registering
99         asserts for comparisons.  Recognize range tests of the form
100         (unsigned)i - CST1 OP CST2.
101         (register_edge_assert_for_1): Use it.
102         (register_edge_assert_for): Likewise.
103         (needs_overflow_infinity): Integer sub-types
104         do not need overflow infinities.
105         (vrp_val_is_max): The extreme values of integer sub-types
106         are those of the base type.
107         (vrp_val_is_min): Likewise.
108         * tree.def (ASSERT_EXPR): Document extra allowed conditional
109         expressions.
110
111 2008-03-28  Nick Clifton  <nickc@redhat.com>
112
113         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
114         Return GENERAL_REGS for stack adjustment reloads.
115
116 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
117
118         PR target/31334
119         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
120         const_vector when all the vectors are constant.
121
122 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
123
124         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
125         comparisons.
126         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
127         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
128         (scc_sf): New.
129         (s<code>_sf): Use new scc_sf attribute for opcode names.
130
131 2008-03-27  Tom Tromey  <tromey@redhat.com>
132
133         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
134         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
135         config/spu/t-spu-elf, config/i386/t-interix,
136         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
137         config/i386/x-darwin, config/i386/x-mingw32,
138         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
139         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
140         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
141         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
142         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
143         config/rs6000/x-darwin, config/rs6000/t-rs6000,
144         config/score/t-score-elf, config/arm/t-strongarm-pe,
145         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
146         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
147         Revert automatic dependency patch.
148
149 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
150
151         PR target/35657
152         * config/i386/i386.c (ix86_function_arg_boundary): Align
153         decimal floating point to its natural boundary.
154
155 2008-03-27  Richard Guenther  <rguenther@suse.de>
156
157         PR middle-end/35716
158         * fold-const.c (fold_comparison): Restrict distinct decl
159         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
160         solely rely on operand_equal_p.
161
162 2008-03-27  Richard Guenther  <rguenther@suse.de>
163
164         PR c/32511
165         * c-common.c (handle_weak_attribute): Reject combination of
166         weak and inline.
167
168 2008-03-27  Richard Guenther  <rguenther@suse.de>
169
170         PR tree-optimization/32810
171         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
172         conversions from DECL_INITIAL.
173         (fold_const_aggregate_ref): Likewise from constructor elements.
174
175 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
176
177         * tree-affine.h (aff_combination_expand): Declare.
178         (get_inner_reference_aff): Likewise.
179         * tree-affine.c (aff_combination_expand): Split out from
180         tree_to_aff_combination_expand.
181         (get_inner_reference_aff): New function.
182         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
183         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
184         (struct lim_aux_data): sm_done field removed.
185         (mem_ref_loc_p, mem_ref_locs_p): New types.
186         (struct mem_ref): Added id, stored, accesses_in_loop,
187         indep_loop, dep_loop, indep_ref, dep_ref fields.
188         Removed is_stored, locs and next fields.
189         (memory_accesses): New variable.
190         (movement_possibility): Do not allow moving statements
191         that store to memory.
192         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
193         New functions.
194         (determine_max_movement): For statements with memory references,
195         find the outermost loop in that the reference is independent.
196         (move_computations_stmt): Mark the virtual operands for renaming.
197         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
198         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
199         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
200         add_vop_ref_mapping, create_vop_ref_mapping_loop,
201         create_vop_ref_mapping, analyze_memory_references,
202         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
203         get_all_locs_in_loop, ref_always_accessed_p,
204         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
205         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
206         store_motion_loop, store_motion): New functions.
207         (struct vop_to_refs_elt): New type.
208         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
209         memref_hash, memref_eq, hoist_memory_references): Rewritten.
210         (schedule_sm): Replaced by...
211         (execute_sm): ... this.
212         (determine_lsm_ref, hoist_memory_references,
213         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
214         find_more_ref_vops, free_mem_ref, free_mem_refs,
215         determine_lsm_loop, determine_lsm): Removed.
216         (tree_ssa_lim_finalize): Free data structures used by store motion.
217         (tree_ssa_lim): Call analyze_memory_references.  Use
218         store_motion instead of determine_lsm.
219
220 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
221
222         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
223         rename tmake_file to m68hc11/t-m68hc11.
224         (mcore): Set inhibit_libc to true.
225         * config.host (alpha*-dec-*vms*): Set extra_programs.
226         (interix3*): Don't use host_xmake_file.
227         * configure.ac: Let config.gcc override inhibit_libc.
228         * configure: Regenerate.
229
230         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
231         * config/t-openbsd-thread: Remove commented out lines.
232         
233         * config/x-interix: Remove.
234
235         * config/m68hc11/t-m68hc11-gas: Rename to...
236         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
237
238         * config/mcore/t-mcore: Remove T_CFLAGS.
239         * config/mcore/t-mcore-pe: Likewise.
240
241 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
242
243         * configure.ac: Replace custom __GNU_SOURCE test with
244         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
245         * aclocal.m4: Regenerate.
246         * configure: Regenerate.
247         * config.in: Regenerate.
248
249 2008-03-27  Richard Guenther  <rguenther@suse.de>
250
251         * fold-const.c (target.h): Include.
252         (fold_comparison): Fold comparison of addresses of decls
253         that bind locally or of constants.  Consolidate address folding code.
254         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
255         results from fold_binary_to_constant.
256         (compare_values_warnv): Likewise.
257
258 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
259
260         PR middle-end/35429
261         * fold-const.c (fold_truthop): Check for integeral types when folding
262         a == 0 && b == 0 and a != 0 || b != 0 .
263
264 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
265
266         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
267
268 2008-03-26  Andreas Schwab  <schwab@suse.de>
269
270         * doc/invoke.texi: Fix use of @item vs. @itemx.
271
272 2008-03-26  Tom Tromey  <tromey@redhat.com>
273
274         * Makefile.in (build/gensupport.o, build/print-rtl.o,
275         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
276         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
277         build/gencodes.o, build/genconditions.o, build/genconfig.o,
278         build/genconstants.o, build/genemit.o, build/genextract.o,
279         build/genflags.o, build/genmddeps.o, build/genopinit.o,
280         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
281         options.h.
282
283 2008-03-26  Richard Guenther  <rguenther@suse.de>
284
285         Revert
286         2008-03-26  Richard Guenther  <rguenther@suse.de>
287
288         * fold-const.c (target.h): Include.
289         (fold_comparison): Fold comparison of addresses of two decls
290         that bind locally.  Consolidate address folding code.
291
292 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
293
294         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
295         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
296         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
297         dconstsqrt2, dconstthird, dconste and/or dconst10.
298         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
299         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
300         dconstsqrt2, dconste): Delete.
301         (init_emit_once): Likewise.  Simplify initializing dconstm1.
302         Constify variable.
303         * real.c (get_real_const): New.
304         * real.h (dconst3, dconst10, dconstm2, dconstthird,
305         dconstsqrt2, dconste): Delete.
306         (real_value_const, get_real_const): New.
307
308 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
309
310         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
311
312         * config/i386/i386.c (ix86_function_arg_boundary): Check
313         BIGGEST_ALIGNMENT instead of 128.
314         (setup_incoming_varargs_64): Likewise.
315
316 2008-03-26  Tom Tromey  <tromey@redhat.com>
317
318         * Makefile.in (DEPFILES): Add missing '/'.
319
320 2008-03-26  Richard Guenther  <rguenther@suse.de>
321
322         * fold-const.c (target.h): Include.
323         (fold_comparison): Fold comparison of addresses of two decls
324         that bind locally.  Consolidate address folding code.
325
326 2008-03-26  Nick Clifton  <nickc@redhat.com>
327
328         PR target/31232
329         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
330         not allow INT+INT as a legitimate addressing mode.
331
332 2008-03-26  Richard Guenther  <rguenther@suse.de>
333
334         * tree-flow.h (widen_bitfield): Remove declaration.
335         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
336         (widen_bitfield): Remove function.
337         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
338         code.
339
340 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
341
342         PR target/31558
343         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
344         error_mark_node's.
345
346 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
347
348         PR rtl-optimization/35232
349         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
350         (forget_old_reloads_1, forget_marked_reloads): Don't clear
351         reg_reloaded_call_part_clobbered here.
352         (reload_regs_reach_end_p): New function.
353         (reload_reg_rtx_for_input): New variable.
354         (reload_reg_rtx_for_output): Likewise.
355         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
356         when reassigning a pseudo register.  Load reloadreg from 
357         reload_reg_rtx_for_input, moving the mode and register
358         calculation to...
359         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
360         instead of the original when deciding whether an input reload
361         would be a no-op or whether an output reload can be deleted.
362         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
363         when setting up new_spill_reg_store.  Load it from
364         reload_reg_rtx_for_output, moving the mode and register
365         calculation to...
366         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
367         instead of the original when deciding whether an output reload
368         would be a no-op.  Do the same when modifying insn notes.
369         Use rtx_equal_p instead of == to compare the registers.
370         (inherit_piecemeal_p): Take a mode and two register numbers
371         as argument.
372         (emit_reload_insns): Clear new_spill_reg_store for every hard
373         register in the reload register.  Remove spill registers
374         from reg_reloaded_valid before considering whether to record
375         inheritance information for them.  Use reload_reg_rtx_for_output
376         instead of reg_rtx when recording output reloads.  Use
377         reload_reg_rtx_for_input instead of reg_rtx when recording
378         input reloads.  Set or clear reg_reloaded_call_part_clobbered
379         at the same time as setting reg_reloaded_valid.
380         (delete_output_reload): Add a new_reload_reg parameter and use it
381         instead of rld[j].reg_rtx.
382         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
383         calls accordingly.
384
385 2008-03-25  Tom Tromey  <tromey@redhat.com>
386
387         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
388         (build/genattr.o): Likewise.
389         (build/genattrtab.o): Likewise.
390         (build/gencodes.o): Likewise.
391         (build/genconfig.o): Likewise.
392         (build/genconstants.o): Likewise.
393         (build/genemit.o): Likewise.
394         (build/genextract.o): Likewise.
395         (build/genflags.o): Likewise.
396
397 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
398         
399         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
400         instead of size_int for integer types.
401         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
402         to match type of MINUS_EXPR.
403         
404 2008-03-25  Tom Tromey  <tromey@redhat.com>
405
406         * configure: Rebuilt.
407         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
408         Makefile.
409
410 2008-03-25  Tom Tromey  <tromey@redhat.com>
411
412         * config/x-solaris (host-solaris.o): Update.
413         * config/x-linux (host-linux.o): Update.
414         * config/x-hpux (host-hpux.o): Update.
415         * config/x-darwin (host-darwin.o): Update.
416         * config/v850/t-v850e (v850-c.o): Update.
417         * config/v850/t-v850 (v850-c.o): Update.
418         * config/t-vxworks (vxworks.o): Update.
419         * config/t-sol2 (sol2-c.o, sol2.o): Update.
420         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
421         * config/spu/t-spu-elf (spu-c.o): Update.
422         (spu.o): Remove.
423         * config/sh/t-symbian (sh-c.o): Update.
424         (symbian.o): Update.
425         * config/sh/t-sh (sh-c.o): Update.
426         * config/score/t-score-elf (score7.o, score3.o): Update.
427         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
428         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
429         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
430         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
431         (rs6000.o): Remove.
432         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
433         * config/m32c/t-m32c (m32c-pragma.o): Update.
434         * config/ia64/t-ia64 (ia64-c.o): Update.
435         * config/i386/x-mingw32 (host-mingw32.o): Update.
436         * config/i386/x-i386 (driver-i386.o): Update.
437         * config/i386/x-darwin (host-i386-darwin.o): Update.
438         * config/i386/x-cygwin (host-cygwin.o): Update.
439         * config/i386/t-nwld (nwld.o): Update.
440         * config/i386/t-netware (netware.o): Update.
441         * config/i386/t-interix (winnt.o): Update.
442         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
443         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
444         msformat-c.o): Update.
445         * config/bfin/t-bfin-linux (generated_files): Add
446         linux-sysroot-suffix.h.
447         * config/arm/t-wince-pe (pe.o): Update.
448         * config/arm/t-strongarm-pe (pe.o): Update.
449         * config/arm/t-pe (pe.o): Update.
450         * config/arm/t-arm (arm-c.o): Update.
451         * doc/install.texi (Prerequisites): Require make 3.80.
452         * Makefile.in: Remove .o targets.
453         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
454         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
455         (simple_generated_h, simple_generated_c): Move earlier.
456         (generated_files): New variable.
457         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
458         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
459         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
460         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
461         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
462         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
463         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
464         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
465         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
466         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
467         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
468         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
469         (.c.o): Remove.
470         (COMPILE.base, COMPILE): New variables.
471         (%.o): New pattern rule.
472         (ALL_HOST_OBJS): New variable.
473         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
474         (dummy-checksum.o, cc1-checksum.o): Remove.
475         (DRIVER_SHLIB): New variable.
476         (DRIVER_DEFINES): Use it.
477         (gencondmd.c): Move out of build/.
478         (s-conditions): Update.
479         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
480         (ALL_BUILD_OBJS): Likewise.
481         (build/%.o): Use BUILDCOMPILE.
482         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
483         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
484         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
485         build/gencheck.o, build/gencodes.o, build/genconditions.o,
486         build/genconfig.o, build/genconstants.o, build/genemit.o,
487         build/genextract.o, build/genflags.o, build/genmddeps.o,
488         build/genopinit.o, build/genoutput.o, build/genpeep.o,
489         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
490         build/gen-protos.o, build/scan.o, build/fix-header.o,
491         build/scan-decls.o): Simplify.
492         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
493         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
494         prefix.o, toplev.o): Reduce to variable setting.
495         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
496         ($(out_object_file), gcc-options.o): New targets.
497         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
498         * configure: Rebuilt.
499         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
500         * doc/sourcebuild.texi (Front End Directory): Document new variable.
501
502 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
503
504         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
505         complain when we hit an error, return ERROR_MARK_NODE.
506
507 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
508
509         * config/sh/constraints.md (Pso, Psz): New constraints.
510         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
511         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
512
513 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
514
515         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
516         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
517
518 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
519
520         * config/sh/sh.md (prefetch): Add condition for SH2A target.
521         (prefetch_sh2a): New.   
522
523 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
524             Naveen.H.S  <naveen.hs@kpitcummins.com>
525
526         * config/sh/constraints.md (I28): New constraint.
527         * config/sh/sh.c (broken_move): Add support for movi20s.
528         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
529
530 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
531             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
532             Naveen.H.S  <naveen.hs@kpitcummins.com>
533
534         * config/sh/sh.c (SH_ATTRIBUTES): Define.
535         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
536         (print_operand): Handle resbank in %@ operand code.
537         (sh_encode_section_info): New.
538         (push_regs): Add conditions for resbank.
539         (sh_expand_epilogue): Likewise.
540         (sh_insert_attributes): Likewise.
541         (sh_attribute_table): Likewise.
542         (sh_handle_resbank_handler_attribute): New.
543         (sh2a_handle_function_vector_handler_attribute): New.
544         (sh2a_is_function_vector_call): New.
545         (sh2a_get_function_vector_number): New.
546         (sh2a_function_vector_p): New.
547         (sh_cfun_resbank_handler_p): New.
548         * config/sh/sh.md (calli): Emit jsr/n if possible.
549         (calli_tbr_rel): New.
550         (calli_pcrel): Emit jsr/n if possible.
551         (return_i): Emit rts/n if possible.
552         (call_valuei_tbr_rel): New.
553         (call_valuei_pcrel): Add condition for SH2A target.
554         (call_value): Likewise.
555         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
556         (sh2a_get_function_vector_number): Likewise.
557         (sh2a_is_function_vector_call): Likewise.
558         * doc/extend.texi: Document TBR relative addressing of SH2A.
559         (resbank): Add description for SH2A.
560
561 2008-03-24  Richard Guenther  <rguenther@suse.de>
562
563         PR c/22371
564         * gimplify.c (gimplify_modify_expr): For frontend type-correct
565         pointer assignments change conversions according to middle-end rules.
566         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
567         * configure.ac: Include type checking in yes.
568         * configure: Regenerate.
569
570 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
571
572         * diagnostic.c (diagnostic_count_diagnostic): Delete.
573         (diagnostic_report_diagnostic): Update. Handle ICEs here.
574         
575 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
576
577         * gthr-vxworks.h (UNUSED): Define.
578
579 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
580
581         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
582
583 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
584
585         * doc/extend.texi (Function Attributes): Add missing comma in the
586         example of the "alloc_size" attribute.
587         
588 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
589
590         Revert:
591         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
592
593         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
594         32bit host.
595
596         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
597
598         PR target/35496
599         * stor-layout.c (update_alignment_for_field): Set minimum alignment
600         of the underlying type of a MS bitfield layout to the natural
601         alignment of the type.
602
603         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
604
605         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
606         to their natural alignment to avoid store forwarding stalls.
607
608 2008-03-22  Richard Guenther  <rguenther@suse.de>
609
610         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
611         For PHI nodes verify the address is invariant.
612         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
613         (get_symbol_constant_value): Use is_gimple_min_invariant.
614         (maybe_fold_stmt_indirect): Likewise.
615
616 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
617
618         PR rtl-optimization/33927
619         * Makefile.in (dse.o): Depend on $(TM_P_H).
620         * expr.h (extract_low_bits): Declare.
621         * expmed.c (extract_low_bits): New function.
622         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
623         * dse.c: Include tm_p.h.
624         (find_shift_sequence): Remove the read_reg argument and return the
625         read value.  Emit the instructions instead of returning them.
626         Iterate on new_mode rather than calculating it each time.
627         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
628         source to NEW_MODE and extract_low_bits to convert the shifted
629         value to READ_MODE.
630         (replace_read): Allow the load and store to have different mode
631         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
632         or extraction instructions before trying the replacement.  Update
633         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
634
635 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
636
637         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
638         to their natural alignment to avoid store forwarding stalls.
639
640 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
641
642         PR target/27946
643         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
644         encouraging but not allowing gprs for input;
645         change the input constraint to !f#r.
646         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
647         gprs for output;
648         change the output constraint to !f#r.
649
650 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
651
652         PR target/13958
653         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
654         corresponding post-reload splitters.
655         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
656         when x87 FP math is selected.
657         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
658         New function prototype.
659         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
660         unreachable function to ease macroization of insn patterns.
661
662 2008-03-21  Martin Jambor  <mjambor@suse.cz>
663
664         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
665         reference dumps if ddr is NULL or dependence is unknown.
666
667 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
668
669         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
670         unsigned extension into account.
671         (ATOMIC_COMPARE_AND_SWAP): Likewise.
672         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
673         Do computations on a scratch register.
674
675 2008-03-21  Richard Guenther  <rguenther@suse.de>
676
677         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
678         Use is_gimple_min_invariant instead of TREE_INVARIANT.
679         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
680         * tree-ssa-dom.c (record_equality): Likewise.
681         * tree-inline.c (copy_body_r): Likewise.
682         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
683         TREE_INVARIANT.
684
685 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
686
687         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
688         as 'delete_unused' argument.
689
690 2008-03-20  Richard Guenther  <rguenther@suse.de>
691
692         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
693         special casing of constant qualifiers.
694         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
695         care about them in general.
696         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
697         regardless of their type.
698         (fold_stmt_r): Forcefully fold *& if we end up with that.
699
700 2008-03-20  Paul Brook  <paul@codesourcery.com>
701
702         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
703         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
704         linker flags.
705         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
706         definition.
707         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
708         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
709
710 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
711
712         * common.opt (Wmudflap): New option.
713         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
714         (mx_register_decls): Likewise.
715         (mudflap_finish_file): Likewise.
716         * doc/invoke.texi: Document -Wno-mudflap.
717
718 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
719
720         * c-format.c (replace_format_name_to_system_name): New.
721         (cmp_attribs): New.
722         (convert_format_name_to_system_name): New.
723         (decode_format_attr): Add use of convert_format_name_to_system_name.
724         (format_types_orig): Add gnu_ prefix to names.
725         (check_format_info_main): Special treating of \0 escaped names for
726         supporting multi-character format specifiers as I32, I64.
727         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
728         (gnu_target_overrides_format_attributes): New.
729         * c-format.h: Add structure target_ovr_attr to hold
730         system specific formatter names.
731         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
732         msformat-c.o file to c_target_objs and cxx_target_objs.
733         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
734         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
735         (TARGET_N_FORMAT_TYPES): New.
736         * config/i386/msformat-c.c: New.
737         * config/i386/t-cygming: Add build rule for msformat-c.o.
738         * doc/extend.texi: Add new format names gnu_* and ms_* and
739         further details.
740         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
741
742 2008-03-20  Ira Rosen  <irar@il.ibm.com>
743
744         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
745         optimizations turned on under -O3.
746         (ftree-vectorize): Add that the flag is turned on with -O3.
747
748 2008-03-20  Ben Elliston  <bje@au.ibm.com>
749
750         * regmove.c (try_auto_increment): Fix spelling error in comment.
751         * final.c (final_scan_insn): Likewise.
752
753 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
754
755         PR target/14552
756         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
757         allocator preferences for "y" and "r" class registers.
758         ("*mov<mode>_internal"): Ditto.
759         ("*movv2sf_internal_rex64"): Ditto.
760         ("*movv2sf_internal"): Ditto.
761
762 2008-03-19  Michael Matz  <matz@suse.de>
763
764         PR middle-end/35616
765         * calls.c (expand_call): Check overlap of arguments with call
766         address for sibcalls.
767
768 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
769
770         PR target/35496
771         * stor-layout.c (update_alignment_for_field): Set minimum alignment
772         of the underlying type of a MS bitfield layout to the natural
773         alignment of the type.
774
775 2008-03-19  Jan Hubicka  <jh@suse.cz>
776
777         PR other/35094
778         * toplev.c (decode_d_option): Handle all CPP flags.
779         * tree-vrp.c: Update tree_pass descriptors.
780         * regrename.c: Update tree_pass descriptors.
781         * fwprop.c: Update tree_pass descriptors.
782         * doc/invoke.texi: Remove documentation of dropped -d? flags.
783         * tree-into-ssa.c: Update tree_pass descriptors.
784         * tree-dump.c: Update tree_pass descriptors.
785         * tree-complex.c: Update tree_pass descriptors.
786         * tree-dump.h: Update tree_pass descriptors.
787         * see.c: Update tree_pass descriptors.
788         * cgraphbuild.c: Update tree_pass descriptors.
789         * tracer.c: Update tree_pass descriptors.
790         * tree-loop-distribution.c: Update tree_pass descriptors.
791         * cgraph.c: Update tree_pass descriptors.
792         * postreload-gcse.c: Update tree_pass descriptors.
793         * postreload.c: Update tree_pass descriptors.
794         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
795         * tree-tailcall.c: Update tree_pass descriptors.
796         * tree-pass.h (tree_opt_pass): Rename to ...
797         (opt_pass) ... this one; add "type" field and remove letter field.
798         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
799         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
800         all_lowering_passes): Update declaration.
801         * ipa-cp.c: Update tree_pass descriptors.
802         * final.c: Update tree_pass descriptors.
803         * omp-low.c: Update tree_pass descriptors.
804         * tree-ssa-dse.c: Update tree_pass descriptors.
805         * ipa-reference.c: Update tree_pass descriptors.
806         * tree-ssa-uncprop.c: Update tree_pass descriptors.
807         * auto-inc-dec.c: Update tree_pass descriptors.
808         * reorg.c: Update tree_pass descriptors.
809         * cgraphunit.c: Update tree_pass descriptors.
810         * tree-ssa-copyrename.c: Update tree_pass descriptors.
811         * tree-ssa-ccp.c: Update tree_pass descriptors.
812         * df-core.c: Update tree_pass descriptors.
813         * mode-switching.c: Update tree_pass descriptors.
814         * tree-nomudflap.c: Update tree_pass descriptors.
815         * modulo-sched.c: Update tree_pass descriptors.
816         * ipa-pure-const.c: Update tree_pass descriptors.
817         * cse.c: Update tree_pass descriptors.
818         * web.c: Update tree_pass descriptors.
819         * tree-stdarg.c: Update tree_pass descriptors.
820         * tree-ssa-math-opts.c: Update tree_pass descriptors.
821         * tree-ssa-dom.c: Update tree_pass descriptors.
822         * tree-nrv.c: Update tree_pass descriptors.
823         * tree-ssa-alias.c: Update tree_pass descriptors.
824         * loop-init.c: Update tree_pass descriptors.
825         * gimple-low.c: Update tree_pass descriptors.
826         * ipa-inline.c: Update tree_pass descriptors.
827         * tree-ssa-sink.c: Update tree_pass descriptors.
828         * global.c: Update tree_pass descriptors.
829         * ifcvt.c: Update tree_pass descriptors.
830         * jump.c: Update tree_pass descriptors.
831         * predict.c: Update tree_pass descriptors.
832         * tree-ssa-loop.c: Update tree_pass descriptors.
833         * recog.c: Update tree_pass descriptors.
834         * dse.c: Update tree_pass descriptors.
835         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
836         * tree-eh.c: Update tree_pass descriptors.
837         * regmove.c: Update tree_pass descriptors.
838         * local-alloc.c
839         * function.c: Update tree_pass descriptors.
840         * tree-vectorizer.c: Update tree_pass descriptors.
841         * gcse.c: Update tree_pass descriptors.
842         * ipa-type-escape.c: Update tree_pass descriptors.
843         * tree-if-conv.c: Update tree_pass descriptors.
844         * init-regs.c: Update tree_pass descriptors.
845         * ipa.c: Update tree_pass descriptors.
846         * tree-ssa-phiopt.c: Update tree_pass descriptors.
847         * rtl-factoring.c: Update tree_pass descriptors.
848         * lower-subreg.c: Update tree_pass descriptors.
849         * bt-load.c: Update tree_pass descriptors.
850         * tree-dfa.c: Update tree_pass descriptors.
851         * except.c: Update tree_pass descriptors.
852         * emit-rtl.c: Update tree_pass descriptors.
853         * cfgexpand.c: Update tree_pass descriptors.
854         * tree-cfgcleanup.c: Update tree_pass descriptors.
855         * cfgcleanup.c: Update tree_pass descriptors.
856         * tree-ssa-pre.c: Update tree_pass descriptors.
857         * tree-sra.c: Update tree_pass descriptors.
858         * tree-mudflap.c: Update tree_pass descriptors.
859         * tree-ssa-copy.c: Update tree_pass descriptors.
860         * cfglayout.c: Update tree_pass descriptors.
861         * tree-ssa-forwprop.c: Update tree_pass descriptors.
862         * tree-ssa-dce.c: Update tree_pass descriptors.
863         * tree-ssa.c: Update tree_pass descriptors.
864         * regclass.c: Update tree_pass descriptors.
865         * integrate.c: Update tree_pass descriptors.
866         * tree-optimize.c: Update tree_pass descriptors.
867         * tree-ssa-phiprop.c: Update tree_pass descriptors.
868         * tree-object-size.c: Update tree_pass descriptors.
869         * combine.c: Update tree_pass descriptors.
870         * tree-outof-ssa.c: Update tree_pass descriptors.
871         * bb-reorder.c: Update tree_pass descriptors.
872         * stack-ptr-mod.c: Update tree_pass descriptors.
873         * var-tracking.c: Update tree_pass descriptors.
874         * tree-profile.c: Update tree_pass descriptors.
875         * tree-vect-generic.c: Update tree_pass descriptors.
876         * reg-stack.c: Update tree_pass descriptors.
877         * sched-rgn.c: Update tree_pass descriptors.
878         * tree-ssa-structalias.c: Update tree_pass descriptors.
879         * tree-cfg.c: Update tree_pass descriptors.
880         * passes.c (current_pass): Update declaration.
881         (finish_optimization_passes): Update.
882         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
883         (register_one_dump_file, register_dump_files_1, next_pass_1):
884         Update arguments.
885         (init_optimization_passes): Update handling of new types.
886         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
887         * ipa-struct-reorg.c: Update tree_pass descriptors.
888         * tree-ssa-reassoc.c: Update tree_pass descriptors.
889         * combine-stack-adj.c: Update tree_pass descriptors.
890         * cfgrtl.c: Update tree_pass descriptors.
891         * dce.c: Update tree_pass descriptors.
892         * tree-ssanames.c: Update tree_pass descriptors.
893
894 2008-03-19  Richard Guenther  <rguenther@suse.de>
895
896         PR middle-end/35609
897         * tree-ssa.c (walk_data): New structure.
898         (warn_uninitialized_var): If not always_executed warn with "maybe"
899         instead of "is".
900         (execute_early_warn_uninitialized): Compute post-dominators.
901         Initialize always_executed before processing each basic block.
902
903 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
904
905         PR target/35504
906         * config/i386/i386.c (x86_this_parameter): Calculate correct location
907         of "this" pointer when "regparm = N" or "fastcall" is in effect.
908
909 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
910
911         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
912
913 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
914
915         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
916         is true.
917         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
918         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
919         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
920         target after ignore has been set, and move there also the commputation
921         of subtarget and original_target.
922         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
923         (LANG_HOOKS_INITIALIZER): Remove it.
924         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
925
926 2008-03-18  Richard Guenther  <rguenther@suse.de>
927
928         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
929         found an expression with constants, note that in the VN for the lhs.
930         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
931         fold them to constants if possible.  Run cleanup_cfg if done so.
932         (execute_pre): Return todo.
933         (do_pre): Likewise.
934         (execute_fre): Likewise.
935         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
936         of constants.
937         (get_prop_source_stmt): Look through pointer conversions.
938
939 2008-03-18  Jan Hubicka  <jh@suse.cz>
940
941         * tree-pretty-print.c: Include predict.h.
942         (dump_generic_node): Dump predictor.
943         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
944         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
945         * gimple-low.c (lower_stmt): Likewise.
946         * expr.c (expand_expr_real): Likewise.
947         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
948         them.
949         (build_predict_expr, build_predict_expr): New.
950         * predict.h (predictor_name, build_predict_expr): Update.
951         * c-typeck.c (c_finish_bc_stmt): Add prediction.
952         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
953         * predict.def (PRED_CONTINUE): Update hitrate.
954         * tree.def (PREDICT_EXPR): Define.
955         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
956         do not handle BIND_EXPR.
957         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
958         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
959         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
960         operands.
961
962 2008-03-18  Michael Matz  <matz@suse.de>
963
964         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
965
966 2008-03-18  Richard Guenther  <rguenther@suse.de>
967
968         * tree-gimple.h (is_gimple_invariant_address): Declare.
969         (is_gimple_constant): Likewise.
970         * tree-gimple.c (is_gimple_constant): New function.
971         (is_gimple_invariant_address): Likewise.
972         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
973         and is_gimple_invariant_address.
974         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
975         previous change.
976         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
977         an addressable base.
978
979 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
980
981         PR middle-end/35611
982         * gimplify.c (gimplify_expr): Gimplify second operand of
983         OMP_ATOMIC_LOAD.
984
985 2008-03-17  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/19637
988         * fold-const.c (fold_unary): Remove restrictions of removing
989         intermediate pointer-conversions (P2)(P1)P0.
990         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
991         conversion to void pointer.
992         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
993
994 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
995
996         PR debug/31510
997         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
998         emulated thread local variables.
999
1000 2008-03-16  Richard Guenther  <rguenther@suse.de>
1001
1002         PR middle-end/35607
1003         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1004         expand TREE_INVARIANT operations that are not gimple invariant.
1005
1006 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1007
1008         * doc/extend.texi (Alignment): Say that the ABI controls
1009         the __alignof__ for non-strict-alignment targets rather
1010         than being a recommendation.
1011
1012 2008-03-15  Paul Brook  <paul@codesourcery.com>
1013
1014         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1015         annotations.
1016         (arm_output_fn_unwind): Mark functions that can not be unwound.
1017
1018 2008-03-15  Paul Brook  <paul@codesourcery.com>
1019
1020         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1021         extension instructions.
1022
1023 2008-03-15  Richard Guenther  <rguenther@suse.de>
1024
1025         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1026         and fold constant aggregate refs.
1027         (fold_const_aggregate_ref): Handle string constants
1028         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1029         (evaluate_stmt): Simplify now that ccp_fold folds constant
1030         aggregate refs.
1031
1032 2008-03-15  Paul Brook  <paul@codesourcery.com>
1033
1034         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1035         (extzv): Use gen_extzv_t2.
1036         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1037
1038 2008-03-15  Richard Guenther  <rguenther@suse.de>
1039
1040         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1041         (fold_const_aggregate_ref): Likewise.
1042         (get_value): Return NULL if we don't have any values.
1043         (ccp_finalize): Set const_val to NULL after freeing it.
1044         * tree-flow.h (get_symbol_constant_value): Declare.
1045         (fold_const_aggregate_ref): Likewise.
1046         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1047
1048 2008-03-15  Richard Guenther  <rguenther@suse.de>
1049
1050         PR middle-end/35593
1051         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1052         to not produce negative array indices if not allowed.  Add
1053         parameter to indicate that.
1054         (maybe_fold_offset_to_component_ref): Allow negative array
1055         indices only for the first member of a structure.
1056         (maybe_fold_offset_to_reference): Allow negative array indices.
1057         (maybe_fold_stmt_addition): Likewise.
1058
1059 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1060             Anatoly Sokolov <aesok@post.ru>
1061
1062         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1063         (avr_arch): Add ARCH_AVR6.
1064         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1065         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1066         instead of fixed value 2.
1067         (print_operand_address): Use gs() asm specifier instead of pm().
1068         (avr_assemble_integer): (Ditto.).
1069         (avr_output_addr_vec_elt): (Ditto.).
1070         (print_operand): Handle "!" code.
1071         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1072         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1073         (AVR_HAVE_EIJMP_EICALL): Define.
1074         (AVR_3_BYTE_PC): Redefine.
1075         (AVR_2_BYTE_PC): (Ditto.).
1076         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1077         (LINK_SPEC): Add atmega2560 and atmega2561.
1078         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1079         (crtm2561.o).
1080         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1081         for 3 byte PC devices.
1082         (call_value_insn): (Ditto.).
1083         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1084         (indirect_jump): Use only for for 2 byte PC devices.
1085         (*tablejump): (Ditto.).
1086         (*indirect_jump_avr6): Add insn.
1087         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1088         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1089         instead of ijmp for 3 byte PC devices.
1090         (__tablejump2__): (Ditto.).
1091         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1092         (MULITLIB_DIRNAMES): (Ditto.). 
1093         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1094
1095 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1096
1097         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1098         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1099         ("mmx_psadbw"): Use V1DI mode for operand 0.
1100         * config/i386/i386-modes.def (V1SI): New vector mode.
1101         * config/i386/i386.c (struct builtin_description)
1102         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1103         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1104         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1105         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1106         v1di_ftype_v8qi_v8qi type.
1107         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1108
1109         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1110         __builtin_ia32_pmuludq]: Fix the mode of return value.
1111
1112 2008-03-15  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/35595
1115         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1116         being a PHI_NODE.
1117
1118 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1119         
1120         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1121         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1122         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1123         unless TARGET_SERIALIZE_VOLATILE is enabled.
1124         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1125         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1126         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1127
1128 2008-03-14  Richard Guenther  <rguenther@suse.de>
1129
1130         PR tree-optimization/34172
1131         * tree-flow.h (refs_may_alias_p): Declare.
1132         (get_single_def_stmt): Likewise.
1133         (get_single_def_stmt_from_phi): Likewise.
1134         (get_single_def_stmt_with_phi): Likewise.
1135         * tree-dfa.c (refs_may_alias_p): New function.
1136         (get_single_def_stmt): Likewise.
1137         (get_single_def_stmt_from_phi): Likewise.
1138         (get_single_def_stmt_with_phi): Likewise.
1139         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1140         (vn_reference_lookup_1): New helper function.
1141         (vn_reference_lookup): Walk the virtual use-def chain to
1142         continue searching for a match if the def does not alias the
1143         reference we are looking for.
1144
1145 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1146
1147         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1148         archive and Perzl.  Update The Written Word listing.
1149
1150 2008-03-14  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/34043
1153         PR tree-optimization/33989
1154         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1155         when doing FRE.
1156         (bitmap_find_leader): Use extra argument to verify dominance
1157         relationship inside a basic-block.
1158         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1159         (find_leader_in_sets): Adjust.
1160         (create_component_ref_by_pieces): Take extra argument for
1161         dominance check, handle lookup failures.
1162         (find_or_generate_expression): Likewise.
1163         (create_expression_by_pieces): Likewise.
1164         (insert_into_preds_of_block): Adjust.
1165         (create_value_expr_from): If asked for, verify all operands
1166         are in the blocks AVAIL_OUT set.
1167         (make_values_for_stmt): Check for SSA_NAMEs that are life
1168         over an abnormal edge.
1169         (compute_avail): Remove such check.
1170         (do_SCCVN_insertion): New function.
1171         (eliminate): If we do not find a leader suitable for replacement
1172         insert a replacement expression from SCCVN if available.
1173         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1174         (struct vn_ssa_aux): Add needs_insertion flag.
1175         * tree-ssa-sccvn.c (may_insert): New global flag.
1176         (copy_reference_ops_from_ref): Value-number union member access
1177         based on its size, not type and member if insertion is allowed.
1178         (visit_reference_op_load): For a weak match from union type
1179         punning lookup a view-converted value and insert a SSA_NAME
1180         for that value if that is not found.
1181         (visit_use): Make dumps shorter.  Do not disallow value numbering
1182         SSA_NAMEs that are life over an abnormal edge to constants.
1183         (free_scc_vn): Release inserted SSA_NAMEs.
1184         (run_scc_vn): New flag to specify whether insertion is allowed.
1185         Process SSA_NAMEs in forward order.
1186         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1187         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1188         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1189         pointer type to/from integral types that do not change the
1190         precision to regular conversions.
1191
1192 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1193
1194         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1195         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1196         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1197         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1198         input arguments and the mode of return value.  Built-in functions
1199         that operate on whole 64-bit MMX register now use V1DI mode.
1200
1201 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1202             Olga Golovanevsky  <olga@il.ibm.com>
1203
1204         PR tree-optimization/35041
1205         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1206         to locate the right position in a statement.
1207
1208 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         PR target/34000
1211         PR target/35553
1212         * config/i386/xmmintrin.h:  Change all static inline functions to
1213         extern inline and add __gnu_inline__ attribute.
1214         * config/i386/bmintrin.h: Ditto.
1215         * config/i386/smmintrin.h: Ditto.
1216         * config/i386/tmmintrin.h: Ditto.
1217         * config/i386/mmintrin-common.h: Ditto.
1218         * config/i386/ammintrin.h: Ditto.
1219         * config/i386/emmintrin.h: Ditto.
1220         * config/i386/pmmintrin.h: Ditto.
1221         * config/i386/mmintrin.h: Ditto.
1222         * config/i386/mm3dnow.h: Ditto.
1223
1224 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1225
1226         PR middle-end/35185
1227         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1228         (lower_omp_2): New function.
1229         (lower_omp_1, lower_omp): Rewritten.
1230
1231 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1232
1233         PR 35054
1234         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1235         with the phrase "Microsoft Windows compilers".
1236         (Push/Pop Macro Pragmas): New subsection. Document
1237         #pragma push_macro and pragma pop_macro.
1238
1239 2008-03-12  Paul Brook  <paul@codesourcery.com>
1240
1241         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1242
1243 2008-03-12  Paul Brook  <paul@codesourcery.com>
1244
1245         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1246         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1247         (thumb2_addsi_shortim): Rename ...
1248         (thumb2_addsi_short): ... to this.  Allow register operands.
1249         (thumb2_subsi_short): New pattern.
1250         (thumb2_one_cmplsi2_short,
1251         thumb2_negsi2_short): New patterns and peepholes.
1252
1253 2008-03-12  Paul Brook  <paul@codesourcery.com>
1254
1255         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1256
1257 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1258
1259         * config/i386/i386.md (int_cond): New code iterator.
1260         (fp_cond): Ditto.
1261         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1262         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1263         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1264         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1265         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1266         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1267         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1268         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1269
1270 2008-03-12  Paul Brook  <paul@codesourcery.com>
1271
1272         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1273         instead of {arm,thumb}_compute_save_reg_mask.
1274         (output_return_instruction): Ditto.
1275         (thumb_unexpanded_epilogue): Ditto.
1276         (thumb1_expand_prologue): Ditto.
1277         (thumb1_output_function_prologue): Ditto.
1278         (arm_set_return_address): Ditto.
1279         (thumb_set_return_address): Ditto.
1280         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1281         regs to achieve stack alignment.
1282         (thumb1_compute_save_reg_mask): Fix compiler warning.
1283         (arm_output_epilogue): Use offsets->saved_regs_mask.
1284         Adjust stack pointer by poping call clobered registers.
1285         (arm_expand_prologue): Use offsets->saved_regs_mask.
1286         Adjust stack pointer by pushing extra registers.
1287         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1288
1289 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1290
1291         PR tree-opt/35422
1292         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1293         conversion to the operands of a multiplication.
1294
1295 2008-03-12  Richard Guenther  <rguenther@suse.de>
1296
1297         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1298         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1299         * timevar.def (TV_TREE_PHIPROP): Add.
1300         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1301         pass description.  Use TV_TREE_PHIPROP.
1302         * tree-ssa-forwprop.c: Remove phiprop code.
1303
1304 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1305
1306         PR middle-end/35549
1307         * omp-low.c (maybe_lookup_decl): Constify first argument.
1308         (use_pointer_for_field): Change last argument from bool to
1309         omp_context *.  Disallow shared copy-in/out in nested
1310         parallel if decl is shared in outer parallel too.
1311         (build_outer_var_ref, scan_sharing_clauses,
1312         lower_rec_input_clauses, lower_copyprivate_clauses,
1313         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1314
1315 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1316             Ira Rosen  <irar@il.ibm.com>
1317
1318         * tree-vectorizer.c (free_stmt_vec_info): New function.
1319         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1320         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1321         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1322         * tree-vect-transform.c (vectorizable_conversion): Free
1323         vec_oprnds0 if it was allocated.
1324         (vect_permute_store_chain): Remove unused VECs.
1325         (vectorizable_store): Free VECs that are allocated in the..
1326         function.
1327         (vect_transform_strided_load, vectorizable_load): Likewise.
1328         (vect_remove_stores): Simplify the code.
1329         (vect_transform_loop): Move code to vect_remove_stores().
1330         Call vect_remove_stores() and free_stmt_vec_info().
1331
1332 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1333
1334         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1335         TARGET_HPUX.  Revise comment.
1336         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1337         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1338         Use sr4 variant of `be' instruction when not generating PIC code.
1339         (attr_length_call): Adjust for above change.
1340
1341 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1342
1343         * ipa-reference.c (static_execute): Remove module_statics_const and
1344         associated setting code.
1345
1346 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         PR target/35540
1349         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1350         predicate for operand 1.
1351         (paritysi2_cmp): Use register_operand predicate for operand 2.
1352         Use earlyclobber modifier for operand 1.  Remove support for
1353         memory operands.
1354         (paritydi2_cmp): Use register_operand predicate for operand 3.
1355         Use earlyclobber modifier for operand 1.  Remove support for
1356         memory operands.
1357
1358 2008-03-11  Paul Brook  <paul@codesourcery.com>
1359             Vladimir Prus  <vladimir@codesourcery.com>
1360
1361         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1362         (arm_compute_save_reg0_reg12_mask): Always
1363         check if register 11 must be saved.  Always safe hard frame pointer
1364         when frame_pointer_needeed.
1365         (arm_compute_save_reg_mask): Save IP and PC
1366         only with apcs frames.
1367         (arm_output_epilogue): Adjust Thumb2 codepath to
1368         be also invoked and work for ARM non-apcs frames.
1369         (arm_expand_prologue): Don't bother saving IP
1370         for non-apcs frame, since it's not clobbered by
1371         prologue code.  Implement non-apcs frame
1372         layout.
1373
1374 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1375
1376         PR rtl-optimization/35281
1377         * expr.c (convert_move): Use a new pseudo for the intermediate
1378         from_mode->word_mode result.
1379
1380 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1381
1382         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1383         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1384         * toplev.c (compile_file): Don't call it.
1385
1386 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1387
1388         PR middle-end/35526
1389         * expr.c (store_expr): Call emit_block_move if the mode
1390         of "temp" RTX is BLKmode.
1391
1392 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1393             Richard Guenther  <rguenther@suse.de>
1394
1395         PR tree-optimization/31358
1396         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1397         the step with a NULL_TREE.
1398         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1399         to sizetype if type is a pointer type.
1400         (add_candidate_1): Don't convert the base and step to
1401         the generic type if the orginal type is a pointer type.
1402         (add_iv_value_candidates): Use sizetype for the step
1403         if type is a pointer type.
1404         (cand_value_at): Likewise.
1405         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1406         for pointer types.
1407         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1408         Don't convert the tem affine to the type.
1409         (add_elt_to_tree): Use sizetype for the step if a pointer.
1410         Use POINTER_PLUS_EXPR for pointers.
1411         (aff_combination_to_tree): Use sizetype for the step if a
1412         pointer.
1413
1414 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1415
1416         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1417         Remove commutativity hint.
1418
1419 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1420
1421         PR c/35438
1422         PR c/35439
1423         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1424         errorneous type.  Check that v is a VAR_DECL.
1425
1426         PR middle-end/35099
1427         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1428
1429 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1430
1431         PR tree-optimization/35494
1432         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1433         may be overriden at link and run time.
1434
1435 2008-03-10  Richard Guenther  <rguenther@suse.de>
1436
1437         PR tree-optimization/34677
1438         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1439         (poolify_tree): Likewise.
1440         (modify_expr_template): Likewise.
1441         (poolify_modify_stmt): Likewise.
1442         (insert_fake_stores): Handle all component-ref style stores
1443         in addition to INDIRECT_REF.  Also handle complex types.
1444         Do not poolify the inserted load.
1445         (realify_fake_stores): Do not rebuild the tree but only
1446         make it a SSA_NAME copy.
1447         (init_pre): Remove initialzation of modify_expr_template.
1448         Do not allocate modify_expr_node_pool.
1449         (fini_pre): Do not free modify_expr_node_pool.
1450
1451 2008-03-10  Paul Brook  <paul@codesourcery.com>
1452
1453         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1454         to avoid conflicts.
1455
1456 2008-03-10  Paul Brook  <paul@codesourcery.com>
1457             Mark Shinwell  <shinwell@codesourcery.com>
1458
1459         * config/arm/cortex-r4.md: New.
1460         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1461         insn attributes.
1462         * config/arm/arm.md: Include cortex-r4.md.
1463         (insn): Add smmls, sdiv and udiv values.
1464         (generic_sched): Don't use generic scheduling for Cortex-R4.
1465         (arm_issue_rate): New function.
1466         (TARGET_SCHED_ISSUE_RATE): Define.
1467
1468 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1471
1472 2008-03-10  Richard Guenther  <rguenther@suse.de>
1473
1474         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1475         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1476
1477 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1478
1479         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1480         Set default to true.
1481
1482 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1483
1484         * c.opt (Wsynth): Deprecate.
1485         * doc/invoke.texi (Option Summary, Warning Options): Document
1486         -Wno-format-contains-nul.
1487
1488 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1489
1490         PR target/35496
1491         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1492         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1493
1494 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1495
1496         * config/rs6000/rs6000.c (builtin_description): Rename vector
1497         left shift operations.
1498         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1499         (altivec_vsl<VI_char>): Rename to ...
1500         (ashl<mode>3): ... new name.
1501         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1502         gen_ashlv4si3.
1503         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1504
1505 2008-03-08  Richard Guenther  <rguenther@suse.de>
1506
1507         * coverage.h (tree_coverage_counter_addr): Declare.
1508         * coverage.c (tree_coverage_counter_addr): New function.
1509         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1510         before using again.
1511         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1512         (tree_gen_one_value_profiler): Likewise.
1513         (tree_gen_ic_profiler): Likewise.
1514         (tree_gen_average_profiler): Likewise.
1515         (tree_gen_ior_profiler): Likewise.
1516
1517 2008-03-08  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1520         (vn_binary_op_insert): Likewise.
1521         (vn_unary_op_lookup): Likewise.
1522         (vn_unary_op_insert): Likewise.
1523         (vn_nary_op_lookup): Declare.
1524         (vn_nary_op_insert): Likewise.
1525         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1526         and binary hashes, use a single obstack for unary_op_pool
1527         and binary_op_pool.
1528         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1529         a single struct vn_nary_op_s.  Store tree code length and
1530         a variable number of operands.
1531         (struct vn_reference_op_struct): Remove unused op2.
1532         (vn_reference_op_eq): Do not compare op2.
1533         (vn_reference_op_compute_hash): Do not compute hash of op2.
1534         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1535         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1536         with vn_nary_op_compute_hash.
1537         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1538         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1539         vn_nary_op_lookup.
1540         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1541         vn_nary_op_insert.
1542         (visit_unary_op): Call nary functions.
1543         (visit_binary_op): Likewise.
1544         (process_scc): Adjust for struct vn_tables_s changes.
1545         (allocate_vn_table): Likewise.
1546         (free_vn_table): Likewise.
1547         * tree-vn.c (vn_add): Call nary functions.
1548         (vn_lookup): Likewise.
1549
1550 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1551
1552         PR target/35498
1553         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1554         wdst back after sync_compare_and_swapqhi_internal.
1555
1556 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         PR target/22152
1559         * config/i386/i386-modes.def (V1DI): New vector mode.
1560         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1561         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1562         (MMXMODE248): Ditto.
1563         (MMXMODE): Add V1DI mode.
1564         (mmxvecsize): Change DI mode to V1DI mode.
1565         ("mov<mode>): Use MMXMODEI8 mode iterator.
1566         ("*mov<mode>_internal_rex64"): Ditto.
1567         ("*mov<mode>_internal"): Ditto.
1568         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1569         ("mmx_sub<mode>3"): Ditto.
1570         ("mmx_adddi3"): Remove insn pattern.
1571         ("mmx_subdi3"): Ditto.
1572         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1573         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1574         ("mmx_ashl<mode>3"): Ditto.
1575         ("mmx_lshrdi3"): Remove insn pattern.
1576         ("mmx_ashldi3"): Ditto.
1577         * config/i386/i386.c (classify_argument): Handle V1DImode.
1578         (function_arg_advance_32): Ditto.
1579         (function_arg_32): Ditto.
1580         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1581         mmx_addv1di3 insn pattern.
1582         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1583         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1584         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1585         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1586         Remove definitions of built-in functions.
1587         (V1DI_type_node): New node.
1588         (v1di_ftype_v1di_int): Ditto.
1589         (v1di_ftype_v1di_v1di): Ditto.
1590         (v2si_ftype_v2si_si): Ditto.
1591         (v4hi_ftype_v4hi_di): Remove node.
1592         (v2si_ftype_v2si_di): Ditto.
1593         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1594         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1595         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1596         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1597         Add new builtins using def_builtin_const.
1598         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1599         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1600         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1601         * config/i386/mmintrin.h (__v1di): New typedef.
1602         (_mm_add_si64): Cast arguments to __v1di type.
1603         (_mm_sub_si64): Ditto.
1604         (_mm_sll_pi16): Cast __count to __v4hi type.
1605         (_mm_sll_pi32): Cast __count to __v2si type.
1606         (_mm_sll_si64): Cast arguments to __v1di type.
1607         (_mm_srl_pi16): Cast __count to __v4hi type.
1608         (_mm_srl_pi32): Cast __count to __v2si type.
1609         (_mm_srl_si64): Cast arguments to __v1di type.
1610         (_mm_sra_pi16): Cast __count to __v4hi type.
1611         (_mm_sra_pi32): Cast __count to __v2si type.
1612         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1613         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1614         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1615         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1616         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1617         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1618         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1619         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1620         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1621         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1622         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1623         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1624
1625 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1626
1627         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1628
1629 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1630
1631         PR target/35373
1632         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1633         reg+const addressing for Altivec modes.  Don't generate reg+reg
1634         addressing for TFmode or TDmode quantities.
1635
1636 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1637
1638         * c-common.c (vector_types_convertible_p): Call langhook
1639         instead of comptypes.
1640
1641 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1642
1643         PR tree-opt/35402
1644         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1645         integral and scalar float variables which have a
1646         NULL DECL_INITIAL.
1647
1648 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1649
1650         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1651         dwarf_register_span hook when emitting unwind information for
1652         register-to-memory saves.
1653         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1654         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1655
1656 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1657
1658         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1659         for the same VAR_DECL.
1660
1661 2008-03-06  Tom Tromey  <tromey@redhat.com>
1662
1663         * treelang: Delete.
1664         * doc/standards.texi (Standards): Don't mention treelang.
1665         * doc/invoke.texi (Overall Options): Don't mention treelang.
1666         * doc/install.texi (Prerequisites): Don't mention bison or
1667         treelang.
1668         (Configuration): Don't mention treelang.
1669         (Building): Likewise.
1670         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1671
1672 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1673
1674         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1675         word-extractions out of a multi-word object.
1676
1677 2008-03-06  Richard Guenther  <rguenther@suse.de>
1678
1679         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1680         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1681         result type and precision.
1682         * expr.c (get_inner_reference): Set unsignedp based on the result
1683         type of BIT_FIELD_REF.
1684         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1685         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1686         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1687         for BIT_FIELD_REF.
1688         (sra_build_assignment): Likewise.
1689         (sra_build_elt_assignment): Likewise.
1690         (sra_explode_bitfield_assignment): Likewise.
1691         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1692         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1693         set BIT_FIELD_REF_UNSIGNED.
1694         (vectorizable_load): Likewise.
1695
1696 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1697
1698         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1699         at bb start.
1700
1701 2008-03-06  Richard Guenther  <rguenther@suse.de>
1702
1703         * alias.c (struct alias_set_entry): Move has_zero_child field
1704         to pack with alias_set.
1705
1706 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1707
1708         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1709         32bit host.
1710
1711 2008-03-05  Ian Lance Taylor  <iant@google.com>
1712
1713         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1714
1715 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1716
1717         * fwprop.c (update_df): Support width and offset parameters of
1718         df_ref_create.
1719         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1720         global_conflicts): Change DF_REF_EXTRACT to either
1721         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1722         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1723         * df-scan.c (df_ref_record, df_defs_record,
1724         df_ref_create_structure, df_def_record_1, df_uses_record,
1725         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1726         df_bb_refs_collect, df_entry_block_defs_collect,
1727         df_exit_block_uses_collect): Support new width and offset fields.
1728         (ref_extract_pool): New storage pool.
1729         (df_free_ref): New function.
1730         (df_reg_chain_unlink, df_free_collection_rec,
1731         df_sort_and_compress_refs): Call df_free_ref.
1732         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1733         of df_ref_extract.
1734         (df_ref_create_structure): Allocate df_ref_extract if offset and
1735         width fields are used.
1736         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1737         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1738         and SIGN_EXTRACT.
1739         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1740         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1741         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1742         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1743         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1744         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1745         (df_ref_extract): New structure.
1746         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1747         (df_ref_create): Add width and offset parameters.
1748         
1749 2008-03-05  Richard Guenther  <rguenther@suse.de>
1750
1751         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1752         Use ranges_overlap_p.
1753         (offset_overlaps_with_access): Rename
1754         to ranges_overlap_p and move ...
1755         * tree-flow-inline.h (ranges_overlap_p): ... here.
1756
1757         * tree.h (get_inner_reference, handled_component_p): Update
1758         comments.
1759
1760         * tree.h (record_component_aliases, get_alias_set,
1761         alias_sets_conflict_p, alias_sets_must_conflict_p,
1762         objects_must_conflict_p): Move declarations ...
1763         * alias.h (record_component_aliases, get_alias_set,
1764         alias_sets_conflict_p, alias_sets_must_conflict_p,
1765         objects_must_conflict_p): ... here.
1766         Include coretypes.h.
1767         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1768
1769 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1770
1771         * cfg.c: Include tree-flow.h.
1772         (remove_edge_raw): Call redirect_edge_var_map_clear.
1773         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1774         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1775         (redirect_edge_var_map_result): New.
1776         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1777         PENDING_STMT use with redirect_edge_var_map_*.
1778         * tree-ssa.c (edge_var_maps): New definition.
1779         (redirect_edge_var_map_add): New.
1780         (redirect_edge_var_map_clear): New.
1781         (redirect_edge_var_map_dup): New.
1782         (redirect_edge_var_map_vector): New.
1783         (redirect_edge_var_map_destroy): New.
1784         (ssa_redirect_edge): Replace PENDING_STMT use with
1785         redirect_edge_var_map_*.
1786         (flush_pending_stmts): Same.
1787         (delete_tree_ssa): Destroy edge var map.
1788         * tree-flow.h (struct _edge_var_map): New.
1789         Define edge_var_map vector type.
1790         Declare redirect_edge_var_map_* prototypes.
1791         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1792         * tree-cfg.c (reinstall_phi_args): Replace
1793         PENDING_STMT use with redirect_edge_var_map_*.
1794
1795 2008-03-05  Richard Guenther  <rguenther@suse.de>
1796
1797         PR tree-optimization/35472
1798         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1799         whose single use_stmt has a overlapping set of loaded and
1800         stored symbols as that use_stmt might be a noop assignment then.
1801
1802 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1803
1804         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1805
1806 2008-03-05  Richard Guenther  <rguenther@suse.de>
1807
1808         PR c++/35336
1809         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1810         should be constants.
1811         * tree-cfg.c (verify_expr): Verify it.
1812         * fold-const.c (fold_truthop): Remove code generating
1813         BIT_FIELD_REFs of structure bases.
1814         (fold_binary): Likewise.
1815         (fold_ternary): Position and size of BIT_FIELD_REFs are
1816         always host integers.
1817         (make_bit_field_ref): Remove.
1818         (optimize_bit_field_compare): Remove.
1819         (all_ones_mask_p): Remove.
1820
1821 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1822
1823         PR gcc/33009
1824         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1825         (split_block_and_df_analyze): New. Split basic block and rebuild
1826         dataflow.
1827         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1828         SPLIT_BLOCK.
1829         (split_pattern_seq): Likewise.
1830         (erase_matching_seqs): Likewise.
1831         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1832
1833 2008-03-04  Geoff Keating  <geoffk@apple.com>
1834
1835         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1836         declaration and code.
1837         (tree_invalid_nonnegative_warnv_p): Likewise.
1838
1839 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1840
1841         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1842         examples.  Truncate option-names then causing overfull hbox.
1843
1844 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1845
1846         PR target/35222
1847         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1848         on hpux10.
1849         * configure: Rebuilt.
1850
1851 2008-03-04  Rafael Espindola  <espindola@google.com>
1852
1853         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1854         (tree_unary_nonnegative_warnv_p): New.
1855         (tree_binary_nonnegative_warnv_p): New.
1856         (tree_single_nonnegative_warnv_p): New.
1857         (tree_invalid_nonnegative_warnv_p): New.
1858         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1859
1860 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1861
1862         PR 28322
1863         * opts.c (handle_option): Postpone 'unknown option' errors only for
1864         warning options.
1865
1866 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1867
1868         PR target/35453
1869         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1870         (_SIDD_XXX): This.
1871
1872 2008-03-04  Rafael Espindola  <espindola@google.com>
1873
1874         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1875         (tree_binary_nonzero_warnv_p): New.
1876         (tree_single_nonzero_warnv_p): New.
1877         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1878
1879 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1880
1881         PR middle-end/35456
1882         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1883         transformations for modes that have signed zeros.
1884         * ifcvt.c (noce_try_abs): Ditto.
1885
1886 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1887
1888         * config/i386/i386.c (override_options): Force
1889         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1890
1891 2008-03-04  Jan Hubicka  <jh@suse.cz>
1892
1893         PR c++/35262
1894         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1895         in last commit.
1896
1897 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1898
1899         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1900         label to probe the stack.
1901
1902 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1903
1904         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1905         (__gthr_win32_mutex_destroy): Declare.
1906         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1907         __gthr_win32_mutex_destroy.
1908         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1909
1910 2008-03-03  Jan Hubicka  <jh@suse.cz>
1911
1912         PR c++/35262
1913         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1914         aggressive on inlining cold calls.
1915
1916 2008-03-03  Richard Guenther  <rguenther@suse.de>
1917
1918         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1919         struct copies into the expression table.
1920         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1921         (try_to_simplify): Likewise.
1922         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1923         integral and pointer arguments which do not change the
1924         precision to NOP_EXPRs.
1925         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1926         VIEW_CONVERT_EXPR case.
1927
1928 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1931         defined in a loop at depth 0 is invariant.
1932         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1933         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1934         be called at loop depth 0.
1935
1936 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR driver/35420
1939         * gcc.c (process_command): Update copyright notice dates.
1940         * gcov.c (print_version): Likewise.
1941         * gcov-dump.c (print_version): Likewise.
1942         * mips-tfile.c (main): Likewise.
1943         * mips-tdump.c (main): Likewise.
1944
1945 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1946
1947         PR 24924
1948         * c-common.c (flag_permissive): Delete.
1949         (constant_expression_warnings): Check flags first.
1950         (constant_expression_error): New.
1951         * c-common.h (flag_permissive): Delete.
1952         (constant_expression_error): Declare.
1953         * flags.h (flag_permissive): Declare. Update description.
1954         * diagnostic.c (pedwarn): Update.
1955         (permerror): New.
1956         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1957         (permissive_error_kind): New.
1958         * toplev.c (flag_permissive): Define. Update description.
1959         * toplev.h (permissive_error_kind): Declare.
1960         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1961         (pedwarn_c90): Use pedantic_warning_kind.
1962         * c-opts.c (c_common_post_options): flag_permissive does not affect
1963         flag_pedantic_errors.
1964
1965 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1966
1967         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1968         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1969         __absvsi2, __absvDI2): Use unsigned arithmetic.
1970
1971 2008-03-02  Andi Kleen  <ak@suse.de>
1972             Richard Guenther  <rguenther@suse.de>
1973
1974         * struct-equiv.c: Remove file.
1975         * cfg_cleanup.c (condjump_equiv_p): Remove.
1976         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1977         (struct-equiv.o): Remove rule.
1978         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1979         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1980         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1981
1982 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1983
1984         * ifcvt.c (noce_process_if_block): Try to handle only the then
1985         block if the else block exists but isn't suitable.
1986
1987 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1988
1989         PR gcc/35063
1990         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1991         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1992         regression from previous patch.
1993
1994 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1995
1996         PR gcc/35063
1997         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1998         implemented.
1999         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2000         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2001         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2002         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2003         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2004         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2005         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2006         (__gthread_mutex_destroy_function): Rename to
2007         __gthread_mutex_destroy.
2008         * gthr-dce.h (__gthread_mutex_destroy): Call
2009         pthread_mutex_destroy.
2010         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2011         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2012         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2013
2014 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2015
2016         * df-scan.c (df_ref_chain_change_bb): Simplify.
2017         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2018         set_block_for_insn if there's any change.
2019         * df.h ((df_insn_change_bb): Fix prototype.
2020         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2021         df_insn_change_bb, don't call set_block_for_insn.
2022         * emit-rtl.c (reorder_insns): Likewise.
2023         * haifa-sched.c (move_insn): Likewise.
2024
2025 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2026
2027         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2028
2029 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2030
2031         * tree-flow-inline.h (next_readonly_imm_use): Return
2032         NULL_USE_OPERAND_P after the end.
2033
2034 2008-03-01  Richard Guenther  <rguenther@suse.de>
2035
2036         PR tree-optimization/35411
2037         * tree-sra.c (sra_build_assignment): Split conversion to
2038         final type to a separate statement if we are not assigning
2039         to a register.
2040
2041 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2042
2043         * fold-const.c (fold_convertible_p): Correct the logic to follow
2044         that in fold_convert().
2045
2046 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2047
2048         PR c++/35315
2049         * tree-inline.c (build_duplicate_type): When we make a
2050         duplicate type, make it unique in the canonical types system.
2051
2052 2008-02-29  Tom Tromey  <tromey@redhat.com>
2053
2054         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2055         input_file_stack_history, input_file_stack_restored): Remove.
2056         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2057         * input.h (struct file_stack): Remove.
2058         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2059         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2060         Likewise.
2061         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2062         type.
2063         (diagnostic_last_module_changed): Add 'map' argument.
2064         (diagnostic_set_last_function): Likewise.
2065         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2066         line map, not input_file_stack.
2067         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2068
2069 2008-02-29  Paul Brook  <paul@codesourcery.com>
2070
2071         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2072
2073 2008-02-29  Paul Brook  <paul@codesourcery.com>
2074
2075         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2076
2077 2008-02-29  Richard Guenther  <rguenther@suse.de>
2078
2079         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2080         vn_lookup_or_add.
2081         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2082         value for comparing for a store match.
2083         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2084         (try_to_simplify): Do not do a full-blown reference lookup.
2085
2086 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2087
2088         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2089         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2090
2091         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2092
2093 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2094
2095         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2096         strides against cache sizes.
2097
2098 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2099
2100         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2101         constant to fpul.
2102
2103 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2104
2105         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2106         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2107         is smaller than the original promoted value.
2108         (simplify_subreg): If OP is a SUBREG, try to preserve its
2109         SUBREG_PROMOTED_VAR_P information.
2110
2111 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2112
2113         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2114         (VN_INFO_GET): Allocate new objects on the obstack.
2115         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2116         for rpo_numbers_temp, for consistency.
2117         (free_scc_vn): Free the obstack.
2118
2119 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * doc/invoke.texi: Document -ftree-loop-distribution.
2122         * tree-loop-distribution.c: New.
2123         * tree-pass.h (pass_loop_distribution): New.
2124         * graphds.h (struct graph): Add htab_t indices.
2125         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2126         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2127         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2128         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2129         * tree-data-ref.c (debug_data_dependence_relations): New.
2130         (dump_data_dependence_relation): Also print data references.
2131         (free_data_ref): Extern.
2132         (same_access_functions): Moved...
2133         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2134         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2135         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2136         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2137         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2138         (stmts_from_loop): Skip LABEL_EXPR.
2139         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2140         New.
2141         (build_rdg): Initialize rdg->indices htab.
2142         (free_rdg, stores_from_loop, ref_base_address,
2143         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2144         have_similar_memory_accesses_1, ref_base_address_1,
2145         remove_similar_memory_refs): New.
2146         * tree-data-ref.h: Depend on tree-chrec.h.
2147         (debug_data_dependence_relations, free_data_ref): Declared.
2148         (same_access_functions): ... here.
2149         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2150         New.
2151         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2152         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2153         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2154         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2155         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2156         rdg_vertex_for_stmt): Declared.
2157         (struct rdg_edge): Add level.
2158         (RDGE_LEVEL): New.
2159         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2160         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2161         Declared.
2162         (rdg_has_similar_memory_accesses): New.
2163         * tree-vect-analyze.c: Remove unused static decls.
2164         * lambda.h (dependence_level): New.
2165         * common.opt (ftree-loop-distribution): New.
2166         * tree-flow.h (mark_virtual_ops_in_bb, 
2167         slpeel_tree_duplicate_loop_to_edge_cfg,
2168         rename_variables_in_loop): Declared.
2169         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2170         (OBJS-common): Add tree-loop-distribution.o.
2171         (tree-loop-distribution.o): New rule.
2172         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2173         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2174         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2175
2176 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2177
2178         PR target/33963
2179         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2180         other than structures and unions.
2181
2182 2008-02-28  Richard Guenther  <rguenther@suse.de>
2183
2184         Revert:
2185         2008-02-26  Richard Guenther  <rguenther@suse.de>
2186
2187         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2188         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2189         (lookup_decl_from_uid): Declare.
2190         (remove_decl_from_map): Likewise.
2191         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2192         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2193         (decl_for_uid_map): New global hashtable mapping DECL_UID
2194         to the decl tree.
2195         (init_ttree): Allocate it.
2196         (insert_decl_to_uid_decl_map): New helper function.
2197         (make_node_stat): Insert new decls into the map.
2198         (copy_node_stat): Likewise.
2199         (lookup_decl_from_uid): New function.
2200         (remove_decl_from_map): Likewise.
2201         (print_decl_for_uid_map_statistics): New helper.
2202         (dump_tree_statistics): Call it.
2203
2204         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2205         (referenced_var_iterator): Adjust.
2206         (FOR_EACH_REFERENCED_VAR): Adjust.
2207         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2208         (num_referenced_vars): Adjust.
2209         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2210         (first_referenced_var): Remove.
2211         (end_referenced_vars_p): Likewise.
2212         (next_referenced_var): Likewise.
2213         (referenced_var_iterator_set): New helper function.
2214         * tree-dfa.c (referenced_var_lookup): Adjust.
2215         (referenced_var_check_and_insert): Likewise.
2216         (remove_referenced_var): Likewise.
2217         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2218         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2219         (verify_call_clobbering): Likewise.
2220         (verify_memory_partitions): Likewise.
2221         (init_tree_ssa): Allocate bitmap instead of hashtable for
2222         referenced_vars.
2223         (delete_tree_ssa): Adjust.
2224         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2225         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2226         (compute_tag_properties): Likewise.
2227         (set_initial_properties): Likewise.
2228         (find_partition_for): Likewise.
2229         (update_reference_counts): Likewise.
2230         (dump_may_aliases_for): Likewise.
2231         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2232         (add_call_clobber_ops): Likewise.
2233         (add_call_read_ops): Likewise.
2234         (get_asm_expr_operands): Likewise.
2235         * tree-into-ssa.c (dump_decl_set): Likewise.
2236         (update_ssa): Likewise.
2237         * tree-sra.c (scan_function): Likewise.
2238         (decide_instantiations): Likewise.
2239         (scalarize_parms): Likewise.
2240         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2241         (dsa_named_for): Likewise.
2242         * tree-ssa-structalias.c (update_alias_info): Likewise.
2243         (merge_smts_into): Likewise.
2244
2245 2008-02-27  David Daney  <ddaney@avtrex.com>
2246
2247         PR target/34409
2248         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2249         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2250         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2251         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2252         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2253
2254 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2255
2256         PR target/25477
2257         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2258         (BUILT_IN_NEXTTOWARD): Remove.
2259         (BUILT_IN_NEXTTOWARDF): Ditto.
2260         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2261         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2262
2263 2008-02-27  Tom Tromey  <tromey@redhat.com>
2264
2265         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2266         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2267
2268 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2269
2270         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2271         update the respective field on newdecl.
2272
2273 2008-02-27  Revital Eres  <eres@il.ibm.com>
2274
2275         PR rtl-optimization/34999
2276         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2277         crossing edges that ends with a call insn.
2278         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2279         call insn and clear the EDGE_CROSSING flag of the crossing edge
2280         when fixing fallthru edges.
2281
2282 2008-02-27  Richard Guenther  <rguenther@suse.de>
2283
2284         PR middle-end/35390
2285         * fold-const.c (fold_unary): Return the correct argument,
2286         converted to the result type.
2287
2288 2008-02-27  Richard Guenther  <rguenther@suse.de>
2289
2290         PR middle-end/34971
2291         * expr.c (expand_expr_real_1): Assert on rotates that operate
2292         on partial modes.
2293         * fold-const.c (fold_binary): Use the types precision, not the
2294         bitsize of the mode if folding rotate expressions.  Build rotates
2295         only for full modes.
2296
2297 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2298
2299         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2300         and CPP_PRAGMA_EOL.
2301         * c-pragma.c (pragma_ns_name): New typedef.
2302         (registered_pp_pragmas): New variable.
2303         (c_pp_lookup_pragma): New function.
2304         (c_register_pragma_1): If flag_preprocess_only, do nothing
2305         for non-expanded pragmas, for expanded ones push pragma's
2306         namespace and name into registered_pp_pragmas vector.
2307         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2308         flag_preprocess_only, don't register GCC pch_preprocess
2309         pragma if flag_preprocess_only.
2310         * c-opts.c (c_common_init): Call init_pragma even if
2311         flag_preprocess_only.
2312         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2313         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2314         cpp_register_pragma if flag_preprocess_only.
2315
2316 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2317
2318         PR c/28800
2319         * c-parser.c (c_parser_translation_unit): Warn for empty
2320         translation unit, not empty source file.
2321
2322 2008-02-26  Paul Brook  <paul@codesourcery.com>
2323
2324         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2325         operand for Thumb-2.
2326         * config/arm/arm.h (reg_class): Add CORE_REGS.
2327         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2328         (BASE_REG_CLASS): Use CORE_REGS.
2329         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2330         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2331         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2332         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2333         ARM_REGNO_OK_FOR_INDEX_P.
2334         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2335         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2336         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2337         (ldm/stm peepholes): Ditto.
2338         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2339         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2340         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2341         * config/arm/constraints.md: Enable "k" constraint on ARM.
2342
2343 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2344
2345         * config/rs6000/rs6000.c: Annotate cache line size field in all
2346         instances of struct processor_costs.
2347
2348 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2349
2350         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2351         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2352         jump_bypass): New counters.
2353         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2354         * dce.c (gate_ud_dce): Same.
2355         (gate_fast_dce): Same.
2356         * dse.c (gate_dse1): New function.
2357         (gate_dse2): New function.
2358         (gate_dse): Merge results of new gate functions.
2359         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2360         (gate_handle_jump_bypass): Add dbg_cnt.
2361         (gate_handle_gcse): Add dbg_cnt.
2362         * ifcvt.c (gate_handle_if_conversion): Same.
2363         (gate_handle_if_after_combine): Same.
2364         (gate_handle_if_after_reload): Same.
2365         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2366
2367 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2368
2369         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2370         line sizes.
2371         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2372
2373 2008-02-26  Jason Merrill  <jason@redhat.com>
2374
2375         PR c++/35315
2376         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2377         alone if it's the naming decl for the type's main variant.
2378
2379 2008-02-26  Tom Tromey  <tromey@redhat.com>
2380
2381         * system.h (USE_MAPPED_LOCATION): Poison.
2382         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2383         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2384         (make_goto_expr_edges): Likewise.
2385         (remove_bb): Likewise.
2386         (execute_warn_function_return): Likewise.
2387         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2388         location_t.
2389         * c-common.c (fname_decl): Remove old location code.
2390         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2391         location code.
2392         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2393         variant.
2394         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2395         (gen_rtx_ASM_INPUT): Likewise.
2396         (gen_rtx_ASM_INPUT_loc): Likewise.
2397         (get_rtx_asm_OPERANDS): Remove.
2398         * cfglayout.c (insn_locators_alloc): Remove old location code.
2399         (set_curr_insn_source_location): Likewise.
2400         (curr_insn_locator): Likewise.
2401         * print-tree.c (print_node): Remove old location code.
2402         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2403         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2404         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2405         location_from_locus.
2406         (construct_exit_block): Remove old location code.
2407         * emit-rtl.c (force_next_line_note): Remove old location code.
2408         * profile.c (branch_prob): Remove old location code.
2409         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2410         LOC_LINE): Remove old-location variants.
2411         * langhooks.c (lhd_print_error_function): Remove old location
2412         code.
2413         * configure, config.in: Rebuilt.
2414         * configure.ac (--enable-mapped-location): Remove.
2415         * c-decl.c (c_init_decl_processing): Remove old location code.
2416         (finish_function): Likewise.
2417         * recog.c (decode_asm_operands): Remove old location code.
2418         * c-pch.c (c_common_read_pch): Remove old location code.
2419         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2420         variants.
2421         * gimple-low.c (lower_function_body): Remove old location code.
2422         * toplev.c (unknown_location): Remove.
2423         (push_srcloc): Remove old-location variant.
2424         (process_options): Remove old location code.
2425         (lang_dependent_init): Likewise.
2426         * input.h (UNKNOWN_LOCATION): Move definition.
2427         (location_t): Undeprecate.
2428         (source_locus): Remove.
2429         (location_from_locus): Remove.
2430         (struct location_s): Remove.
2431         Remove all old-location code.
2432         (input_line, input_filename): Remove.
2433         * final.c (final_scan_insn): Remove old location code.
2434         * diagnostic.c (diagnostic_build_prefix): Remove
2435         USE_MAPPED_LOCATION test.
2436         * tree.h (gimple_stmt) <locus>: Now a location_t.
2437         (tree_exp) <locus>: Likewise.
2438         (DECL_IS_BUILTIN): Remove old-location variant.
2439         (annotate_with_file_line, annotate_with_locus): Likewise.
2440         (expr_locus, set_expr_locus): Update.
2441         * tree.c (build1_stat): Remove old location code.
2442         (last_annotated_node): Remove.
2443         (annotate_with_file_line): Remove old-location variant.
2444         (annotate_with_locus): Likewise.
2445         (expr_location): Remove old location code.
2446         (set_expr_location): Likewise.
2447         (expr_has_location): Likewise.
2448         (expr_locus): Likewise.
2449         (set_expr_locus): Likewise.
2450         (expr_filename): Don't use location_from_locus.
2451         (expr_lineno): Likewise.
2452         * rtl-error.c (location_for_asm): Remove old location code.
2453         * c-lex.c (cb_line_change): Remove old location code.
2454         (fe_file_change): Likewise.
2455         (cb_def_pragma): Likewise.
2456         (c_lex_with_flags): Likewise.
2457         * gengtype.c (do_typedef): Don't special-case location types.
2458         (define_location_structures): Remove.
2459         (main): Don't call define_location_structures.
2460         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2461         code.
2462
2463 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2464
2465         PR 26264
2466         * builtins.def (BUILT_IN_STDARG_START): Remove.
2467         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2468         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2469         * tree-inline.c (inline_forbidden_p_1): Likewise.
2470         
2471 2008-02-26  Richard Guenther  <rguenther@suse.de>
2472
2473         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2474         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2475         (lookup_decl_from_uid): Declare.
2476         (remove_decl_from_map): Likewise.
2477         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2478         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2479         (decl_for_uid_map): New global hashtable mapping DECL_UID
2480         to the decl tree.
2481         (init_ttree): Allocate it.
2482         (insert_decl_to_uid_decl_map): New helper function.
2483         (make_node_stat): Insert new decls into the map.
2484         (copy_node_stat): Likewise.
2485         (lookup_decl_from_uid): New function.
2486         (remove_decl_from_map): Likewise.
2487         (print_decl_for_uid_map_statistics): New helper.
2488         (dump_tree_statistics): Call it.
2489
2490         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2491         (referenced_var_iterator): Adjust.
2492         (FOR_EACH_REFERENCED_VAR): Adjust.
2493         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2494         (num_referenced_vars): Adjust.
2495         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2496         (first_referenced_var): Remove.
2497         (end_referenced_vars_p): Likewise.
2498         (next_referenced_var): Likewise.
2499         (referenced_var_iterator_set): New helper function.
2500         * tree-dfa.c (referenced_var_lookup): Adjust.
2501         (referenced_var_check_and_insert): Likewise.
2502         (remove_referenced_var): Likewise.
2503         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2504         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2505         (verify_call_clobbering): Likewise.
2506         (verify_memory_partitions): Likewise.
2507         (init_tree_ssa): Allocate bitmap instead of hashtable for
2508         referenced_vars.
2509         (delete_tree_ssa): Adjust.
2510         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2511         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2512         (compute_tag_properties): Likewise.
2513         (set_initial_properties): Likewise.
2514         (find_partition_for): Likewise.
2515         (update_reference_counts): Likewise.
2516         (dump_may_aliases_for): Likewise.
2517         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2518         (add_call_clobber_ops): Likewise.
2519         (add_call_read_ops): Likewise.
2520         (get_asm_expr_operands): Likewise.
2521         * tree-into-ssa.c (dump_decl_set): Likewise.
2522         (update_ssa): Likewise.
2523         * tree-sra.c (scan_function): Likewise.
2524         (decide_instantiations): Likewise.
2525         (scalarize_parms): Likewise.
2526         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2527         (dsa_named_for): Likewise.
2528         * tree-ssa-structalias.c (update_alias_info): Likewise.
2529         (merge_smts_into): Likewise.
2530
2531 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2532
2533         PR 34351
2534         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2535         * c-opts.c (c_common_handle_option): Wall enables
2536         Wvolatile-register-var.
2537         * common.opt: Move Wvolatile-register-var to...
2538         * c.opt: ...here.
2539         
2540 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2541
2542         * common.opt (Wlarger-than=): New.
2543         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2544         -Wlarger-than=.
2545         * opts.c (common_handle_option): Handle -Wlarger-than=.
2546         * optc-gen.awk: Likewise.
2547         * opth-gen.awk: Likewise.
2548         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2549         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2550         
2551 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2552
2553         * c-common.c (match_case_to_enum_1): Add appropriate
2554         OPT_W* parameter to warning.
2555         (c_do_switch_warnings): Likewise.
2556         * c-typeck.c (warning_init): Add one more parameter following
2557         'warning' function.
2558         (push_init_level): Update call to warning_init.
2559         (pop_init_level): Likewise.
2560         (add_pending_init): Likewise.
2561         (output_init_element: Likewise.
2562
2563 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2564
2565         PR 28322
2566         * toplev.c (toplev_main): If there are warnings or error, print
2567         errors for ignored options.
2568         * opts.c (ignored_options): New static variable.
2569         (postpone_unknown_option_error): New.
2570         (print_ignored_options): New.
2571         (handle_option): Postpone errors for unknown -Wno-* options.
2572         * opts.h (print_ignored_options): Declare.
2573         
2574 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2575
2576         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2577         to "ghost".
2578
2579 2008-02-25  Richard Guenther  <rguenther@suse.de>
2580
2581         Revert:
2582         2008-02-25  Richard Guenther  <rguenther@suse.de>
2583
2584         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2585         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2586         (lookup_decl_from_uid): Declare.
2587         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2588         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2589         (decl_for_uid_map): New global hashtable mapping DECL_UID
2590         to the decl tree.
2591         (init_ttree): Allocate it.
2592         (insert_decl_to_uid_decl_map): New helper function.
2593         (make_node_stat): Insert new decls into the map.
2594         (copy_node_stat): Likewise.
2595         (lookup_decl_from_uid): New function.
2596         (print_decl_for_uid_map_statistics): New helper.
2597         (dump_tree_statistics): Call it.
2598
2599         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2600         (referenced_var_iterator): Adjust.
2601         (FOR_EACH_REFERENCED_VAR): Adjust.
2602         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2603         (num_referenced_vars): Adjust.
2604         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2605         (first_referenced_var): Remove.
2606         (end_referenced_vars_p): Likewise.
2607         (next_referenced_var): Likewise.
2608         (referenced_var_iterator_set): New helper function.
2609         * tree-dfa.c (referenced_var_lookup): Adjust.
2610         (referenced_var_check_and_insert): Likewise.
2611         (remove_referenced_var): Likewise.
2612         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2613         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2614         (verify_call_clobbering): Likewise.
2615         (verify_memory_partitions): Likewise.
2616         (init_tree_ssa): Allocate bitmap instead of hashtable for
2617         referenced_vars.
2618         (delete_tree_ssa): Adjust.
2619         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2620         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2621         (compute_tag_properties): Likewise.
2622         (set_initial_properties): Likewise.
2623         (find_partition_for): Likewise.
2624         (update_reference_counts): Likewise.
2625         (dump_may_aliases_for): Likewise.
2626         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2627         (add_call_clobber_ops): Likewise.
2628         (add_call_read_ops): Likewise.
2629         (get_asm_expr_operands): Likewise.
2630         * tree-into-ssa.c (dump_decl_set): Likewise.
2631         (update_ssa): Likewise.
2632         * tree-sra.c (scan_function): Likewise.
2633         (decide_instantiations): Likewise.
2634         (scalarize_parms): Likewise.
2635         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2636         (dsa_named_for): Likewise.
2637         * tree-ssa-structalias.c (update_alias_info): Likewise.
2638         (merge_smts_into): Likewise.
2639
2640 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2641
2642         PR fortran/29549
2643         * doc/invoke.texi (-fcx-limited-range): Document new option.
2644         * toplev.c (process_options): Handle -fcx-fortran-rules.
2645         * common.opt: Add documentation for -fcx-fortran-rules.
2646
2647 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2648
2649         PR c/35162
2650         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2651         actual behaviour and C99.
2652         
2653 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2654
2655         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2656         (ASM_CPU_POWER6_SPEC): Likewise.
2657         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2658         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2659         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2660
2661 2008-02-25  Richard Guenther  <rguenther@suse.de>
2662
2663         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2664         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2665         (lookup_decl_from_uid): Declare.
2666         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2667         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2668         (decl_for_uid_map): New global hashtable mapping DECL_UID
2669         to the decl tree.
2670         (init_ttree): Allocate it.
2671         (insert_decl_to_uid_decl_map): New helper function.
2672         (make_node_stat): Insert new decls into the map.
2673         (copy_node_stat): Likewise.
2674         (lookup_decl_from_uid): New function.
2675         (print_decl_for_uid_map_statistics): New helper.
2676         (dump_tree_statistics): Call it.
2677
2678         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2679         (referenced_var_iterator): Adjust.
2680         (FOR_EACH_REFERENCED_VAR): Adjust.
2681         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2682         (num_referenced_vars): Adjust.
2683         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2684         (first_referenced_var): Remove.
2685         (end_referenced_vars_p): Likewise.
2686         (next_referenced_var): Likewise.
2687         (referenced_var_iterator_set): New helper function.
2688         * tree-dfa.c (referenced_var_lookup): Adjust.
2689         (referenced_var_check_and_insert): Likewise.
2690         (remove_referenced_var): Likewise.
2691         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2692         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2693         (verify_call_clobbering): Likewise.
2694         (verify_memory_partitions): Likewise.
2695         (init_tree_ssa): Allocate bitmap instead of hashtable for
2696         referenced_vars.
2697         (delete_tree_ssa): Adjust.
2698         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2699         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2700         (compute_tag_properties): Likewise.
2701         (set_initial_properties): Likewise.
2702         (find_partition_for): Likewise.
2703         (update_reference_counts): Likewise.
2704         (dump_may_aliases_for): Likewise.
2705         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2706         (add_call_clobber_ops): Likewise.
2707         (add_call_read_ops): Likewise.
2708         (get_asm_expr_operands): Likewise.
2709         * tree-into-ssa.c (dump_decl_set): Likewise.
2710         (update_ssa): Likewise.
2711         * tree-sra.c (scan_function): Likewise.
2712         (decide_instantiations): Likewise.
2713         (scalarize_parms): Likewise.
2714         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2715         (dsa_named_for): Likewise.
2716         * tree-ssa-structalias.c (update_alias_info): Likewise.
2717         (merge_smts_into): Likewise.
2718
2719 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2720
2721         PR target/35258
2722         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2723         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2724         * alias.h (nonoverlapping_memrefs_p): Likewise.
2725
2726 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2727
2728         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2729         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2730         __emultls_get_address, __emultls_register_common,
2731         __floatundi?f, and _Unwind_GetIPInfo.
2732         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2733         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2734         (gen_regparm_prefix): Likewise.
2735         (i386_nlm_encode_section_info): Sync with
2736         config/i386/winnt.c:i386_pe_encode_section_info().
2737         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2738         i386_nlm_mangle_decl_assembler_name): New.
2739         (netware_override_options): New.
2740         * config/i386/netware.h (netware_override_options): Declare.
2741         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2742         (i386_nlm_mangle_decl_assembler_name): Declare.
2743         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2744
2745 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2746
2747         PR other/32948
2748         * c-decl.c (grokdeclarator): Remove unused local variables
2749         `typedef_type' and `type_as_written'.
2750         * bb-reorder.c
2751         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2752         unused local variable `has_hot_blocks'.
2753         (fix_crossing_conditional_branches): Remove unused local variable
2754         `prev_bb'.
2755         
2756 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2757
2758         PR middle-end/19984
2759         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2760         using DEF_C99_BUILTIN.
2761         (BUILT_IN_NANF): Ditto.
2762         (BUILT_IN_NANL): Ditto.
2763
2764 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2765             Revital Eres  <eres@il.ibm.com>
2766
2767         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2768         regarding the order of two dependent insns in the same row.
2769
2770 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2771
2772         * stor-layout.c (layout_decl): Do not bump the alignment of a
2773         bit-field to more than byte alignment if it is packed.
2774
2775 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2776
2777         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2778         e300c2 and e300c3.
2779
2780 2008-02-24  Diego Novillo  <dnovillo@google.com>
2781
2782         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2783
2784         PR 33738
2785         * tree-vrp.c (vrp_evaluate_conditional): With
2786         -Wtype-limits, emit a warning when comparing against a
2787         constant outside the natural range of OP0's type.
2788         * c.opt (Wtype-limits): Move ...
2789         * common.opt (Wtype-limits): ... here.
2790
2791 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2792
2793         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2794         * config/rs6000/e300c2c3.md: New file.
2795         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2796         e300c2 and e300c3.
2797         (rs6000_override_options): Add e300c2 and e300c3 cases to
2798         processor_target_table. Do not allow usage of Altivec or Spe
2799         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2800         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2801         * config/rs6000/rs6000.h (processor_type): Add
2802         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2803         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2804         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2805         and ppce300c3. Include e300c2c3.md.
2806
2807 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2808
2809         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2810         instead of TARGET_STRICT_ALIGN.
2811
2812 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2813
2814         * explow.c (memory_address): Assert that the generated address is
2815         valid.
2816
2817 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2818
2819         PR target/25477
2820         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2821         * config/darwin-ppc-ldouble-patch.def: New file.
2822         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2823         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2824         SUBTARGET_INIT_BUILTINS if defined.
2825         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2826         New functions.
2827
2828 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2829
2830         PR rtl-opt/33512
2831         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2832         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2833
2834 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2835
2836         PR pch/35027
2837         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2838         file" warning condtional on -Winvalid-PCH.
2839
2840 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2841
2842         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2843
2844 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         PR target/22076
2847         PR target/34256 
2848         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2849         prevent reload from using MMX registers.
2850         (*mov<mode>_internal): Ditto.
2851         (*movv2sf_internal_rex64): Ditto.
2852         (*movv2sf_internal): Ditto.
2853
2854 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2855
2856         PR documentation/31569
2857         * doc/install.texi2html: Use makeinfo --no-number-sections.
2858
2859 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2860
2861         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2862         ensure that we can address an entire entity > 8 bytes.  Don't
2863         generate reg+reg addressing for such data.
2864
2865 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2866
2867         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2868         strings when optimizing for size, unless the target cares about
2869         alignment.
2870
2871 2008-02-22  Tom Tromey  <tromey@redhat.com>
2872
2873         * regclass.c (current_pass): Remove declaration.
2874
2875 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2876
2877         * config/avr/libgcc.S (__RAMPZ__): Define.
2878         (__do_copy_data): Add for devices with 128KB code memory.
2879
2880 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2881
2882         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2883         Use spe_abi.
2884         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2885
2886 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2887
2888         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2889         GENNONACR_REGS.
2890
2891 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2892
2893         PR c/19999
2894         * c-typeck.c (build_binary_op): Warn about floating point
2895         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2896
2897 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2898
2899         PR target/34526
2900         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2901         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2902         add vrsave.
2903         (rs6000_override_options): Set altivec_abi as default, not override,
2904         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2905         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2906         is used; use new member spe_abi.
2907         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2908         spe_abi and altivec_abi.
2909
2910 2008-02-22  Tomas Bily  <tbily@suse.cz>
2911
2912         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2913
2914 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2915
2916         PR bootstrap/35273
2917         * config.build (build_file_translate): Set to `CMD //c' only if
2918         it works.
2919         * Makefile.in (build_file_translate): Improve comment.
2920
2921 2008-02-21  Jan Hubicka  <jh@suse.cz>
2922
2923         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2924         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2925         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2926
2927 2008-02-21  Michael Matz  <matz@suse.de>
2928
2929         PR target/35264
2930         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2931
2932 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2933
2934         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2935         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2936         as insn constraint.
2937         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2938         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2939         SSE_VEC_FLOAT_MODE_P as insn constraint.
2940         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2941         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2942         sse4a_movntdf using MODEF mode iterator.
2943         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2944         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2945         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2946         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2947         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2948         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2949         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2950
2951 2008-02-21  Richard Guenther  <rguenther@suse.de>
2952
2953         * tree.def (PAREN_EXPR): New tree code.
2954         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2955         and PAREN_EXPR.
2956         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2957         * expr.c (expand_expr_real_1): Likewise.
2958         * tree-inline.c (estimate_num_insns_1): Likewise.
2959         * tree-complex.c (expand_complex_move): Likewise.
2960         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2961         as plain x.
2962
2963 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2964
2965         PR target/35225
2966         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2967
2968 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2969
2970         PR target/35190
2971         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2972
2973         * config/sh/sh.c (find_barrier): Don't go past
2974         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2975
2976 2008-02-20  DJ Delorie  <dj@redhat.com>
2977
2978         * config/h8300/h8300.md (insv): Force source operand to be a register.
2979
2980         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2981         as a jump, not as a plain insn.
2982         
2983 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2984
2985         * doc/invoke.texi (Warning Options): Add new option
2986         -Wframe-larger-than=.
2987         (-Wframe-larger-than): Document.
2988
2989         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2990         Add declarations for new option variables.
2991
2992         * final.c (final_start_function): Check the frame size
2993         before emission and issue a Wframe-larger-than warning.
2994
2995         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2996         Add definitions for new option variables.
2997         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2998
2999         * common.opt (Wframe-larger-than=): New option.
3000
3001 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3002
3003         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3004         (<sse>_div<mode>3): Ditto.
3005         (<sse>_vmdiv<mode>3): Ditto.
3006         (<sse>_vmsqrt<mode>2): Ditto.
3007         (*smax<mode>3): Ditto.
3008         (sse5_frcz<mode>2): Ditto.
3009         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3010         as insn constraint.
3011
3012 2008-02-20  Richard Guenther  <rguenther@suse.de>
3013
3014         PR middle-end/35265
3015         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3016         be happy with INTEGRAL_TYPE_P.
3017
3018 2008-02-20  Richard Guenther  <rguenther@suse.de>
3019
3020         * fold-const.c (split_tree): Associate floatig-point expressions
3021         if flag_associative_math is set.
3022
3023 2008-02-20  Richard Guenther  <rguenther@suse.de>
3024
3025         * tree.h (fold_real_zero_addition_p): Declare.
3026         * fold-const.c (fold_real_zero_addition_p): Export.
3027         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3028         floating-point operations with zero and one.
3029
3030 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3031
3032         * doc/install.texi: Correct references to CFLAGS, replacing them
3033         with BOOT_CFLAGS.  Document flags used during bootstrap for
3034         target libraries.
3035                                 
3036 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3037
3038         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3039         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3040         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3041         insn constraint.
3042         (smin<mode>3): Ditto from similar patterns.
3043         (smax<mode>3): Ditto.
3044         (*ieee_smin<mode>3): Ditto.
3045         (*ieee_smax<mode>3): Ditto.
3046         * config/i386/sse.md (sse): New mode attribute.
3047         (mov<mode>): Macroize expander from movv4sf and movv2df using
3048         SSEMODEF2P mode iterator.
3049         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3050         SSE_VEC_FLOAT_MODE_P as insn constraint.
3051         (storent<mode>): Ditto.
3052         (storent<mode>): Macroize expander from storentsf and storentdf using
3053         MODEF mode iterator.
3054         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3055         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3056         (abs<mode>2): Ditto from similar patterns.
3057         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3058         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3059         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3060         (<sse>_vmsqrt<mode>2): Ditto.
3061         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3062         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3063         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3064         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3065         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3066         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3067         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3068         insn constraint.
3069         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3070         iterator and SSE_FLOAT_MODE_P as insn constraint.
3071         (<sse>_ucomi): Ditto from similar patterns.
3072         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3073         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3074         SSE_VEC_FLOAT_MODE_P as insn constraint.
3075         (vcond<mode>): Ditto from similar patterns.
3076         (and<mode>3, *and<mode>3): Ditto.
3077         (<sse>_nand<mode>3): Ditto.
3078         (ior<mode>3, *ior<mode>3): Ditto.
3079         (xor<mode>3, *xor<mode>3): Ditto.
3080         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3081         iterator and SSE_FLOAT_MODE_P as insn constraint.
3082         (*nand<mode>3): Ditto from similar patterns.
3083         (*ior<mode>3): Ditto.
3084         (*xor<mode>3): Ditto.
3085
3086 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3087
3088         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3089         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3090         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3091
3092 2008-02-19  Jan Hubicka  <jh@suse.cz>
3093
3094         * predict.c (tree_bb_level_predictions): Remove variable next
3095         mistakely introduced by previous commit.
3096
3097 2008-02-19  Jan Hubicka  <jh@suse.cz>
3098
3099         * predict.c (predict_paths_leading_to): Rewrite.
3100         (predict_paths_for_bb): New.
3101         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3102
3103 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3104
3105         PR bootstrap/35218
3106         * Makefile.in (build_file_translate): New.
3107         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3108         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3109         * configure.ac (build_file_translate): Substitute it.
3110         * configure: Regenerate.
3111
3112 2008-02-19  Jan Hubicka  <jh@suse.cz>
3113
3114         PR rtl-optimization/34408
3115         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3116         invalid sharing.
3117
3118 2008-02-19  Jan Hubicka  <jh@suse.cz>
3119
3120         PR middle-end/28779
3121         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3122         call_expr.
3123
3124 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         PR Ada/35186
3127         * config/i386/i386-modes.def: Revert the last DI alignment
3128         change until Ada people can look into it.
3129
3130 2008-02-19  Nick Clifton  <nickc@redhat.com>
3131
3132         * opts.c (print_specific_help): Fix typo in --help text.
3133
3134 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3135
3136         PR target/35239
3137         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3138         32-bit inline asm without asm alternatives for host GCC < 3.0.
3139
3140 2008-02-19  Richard Guenther  <rguenther@suse.de>
3141
3142         PR tree-optimization/34989
3143         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3144         Allow propagation to INDIRECT_REF if we can simplify only.
3145
3146 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3147
3148         * c-common.c (warn_for_collisions_1): Use appropriate option when
3149         warning.
3150
3151 2008-02-19  Nick Clifton  <nickc@redhat.com>
3152
3153         PR other/31349
3154         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3155         (handle_options): Fix indentation.
3156         (print_filtered_help): If no language-specific options were
3157         displayed tell the user how to list all the options supported by
3158         the language's front-end.
3159         (print_specific_help): Fix indentation and remove duplicate line.
3160         (common_handle_option): Handle the -v option.
3161         For --help enable the display of undocumented options if the -v
3162         switch has been included on the command line.
3163         For --help= check for overlaps in the arguments between the option
3164         classes and the language names and issue a warning when they
3165         cannot be disambiguated.
3166         * c.opt (v): Pass on to the common option handler.
3167
3168 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3169
3170         * modulo-sched.c (sms_schedule): Change dump message when
3171         create_ddg function fails.
3172         (try_scheduling_node_in_cycle): Rename row to cycle.
3173         (print_partial_schedule): Rename CYCLE to ROW.
3174
3175 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3176             Zdenek Dvorak  <ook@ucw.cz>
3177
3178         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3179
3180 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3181
3182         PR target/33555
3183         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3184         (*x86_movdicc_0_m1_se): Ditto.
3185
3186 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3189         (CMPtype): Define as __gcc_CMPtype.
3190         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3191         (CMPtype): Define as __gcc_CMPtype.
3192
3193 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3194
3195         Support valgrind 3.3 for --enable-checking=valgrind.
3196         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3197         here.
3198         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3199         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3200         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3201         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3202         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3203         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3204         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3205         respectively.
3206         * ggc-zone.c: Similar.
3207         * ggc-page.c: Similar.
3208
3209 2008-02-19  Paul Brook  <paul@codesourcery.com>
3210
3211         PR target/35071
3212         * config/arm/ieee754-df.S: Fix do_it typo.
3213         * config/arm/ieee754-sf.S: Fix do_it typo.
3214
3215 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3216
3217         PR target/35189
3218         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3219         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3220         (OPTION_MASK_ISA_SSE_SET): Likewise.
3221         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3222         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3223         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3224         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3225         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3226         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3227         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3228         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3229         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3230         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3231         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3232         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3233         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3234         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3235         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3236         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3237         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3238         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3239         (OPTION_MASK_ISA_SSE4): Removed.
3240         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3241         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3242         (override_options): Don't turn on implied SSE/MMX bits in
3243         ix86_isa_flags.
3244
3245 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3246
3247         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3248         32bit host.
3249
3250 2008-02-18  Joey Ye  <joey.ye@intel.com>
3251
3252         PR middle-end/34921
3253         * tree-nested.c (insert_field_into_struct): Set type alignment
3254         to field alignment if the former is less than the latter.
3255
3256 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3257
3258         * BASE-VER: Set to 4.4.0.
3259
3260 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3261
3262         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3263         * doc/cfg.texi: Likewise.
3264         * doc/extend.texi: Likewise.
3265         * doc/gty.texi: Likewise.
3266         * doc/invoke.texi: Likewise.
3267         * doc/loop.texi: Likewise.
3268         * doc/md.texi: Likewise.
3269         * doc/passes.texi: Likewise.
3270         * doc/rtl.texi: Likewise.
3271         * doc/sourcebuild.texi: Likewise.
3272         * doc/tm.texi: Likewise.
3273         * doc/tree-ssa.texi: Likewise.
3274
3275 2008-02-17  Richard Guenther  <rguenther@suse.de>
3276
3277         PR middle-end/35227
3278         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3279         without default definition.
3280
3281 2008-02-17  Richard Guenther  <rguenther@suse.de>
3282
3283         PR tree-optimization/35231
3284         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3285         if A | B != 1.
3286
3287 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3288
3289         Revert:
3290         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3291         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3292         libgcc_cmp_return mode.
3293
3294 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3295
3296         PR c/28368
3297         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3298
3299 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3300
3301         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3302         multilibs.
3303
3304 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3305
3306         * doc/c-tree.texi: Use `@.' where appropriate.
3307         * doc/extend.texi: Likewise.
3308         * doc/install.texi: Likewise.
3309         * doc/invoke.texi: Likewise.
3310         * doc/loop.texi: Likewise.
3311         * doc/makefile.texi: Likewise.
3312         * doc/md.texi: Likewise.
3313         * doc/passes.texi: Likewise.
3314         * doc/standards.texi: Likewise.
3315         * doc/tm.texi: Likewise.
3316
3317 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3318
3319         PR middle-end/35196
3320         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3321         in entry_bb.
3322         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3323         rather than in entry_bb.
3324
3325 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3328         libgcc_cmp_return mode.
3329
3330 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3331
3332         PR middle-end/35130
3333         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3334         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3335
3336 2008-02-15  Richard Guenther  <rguenther@suse.de>
3337             Zdenek Dvorak  <ook@ucw.cz>
3338
3339         PR tree-optimization/35164
3340         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3341         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3342         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3343         Only propagate addresses which do not have abnormal SSA_NAMEs
3344         in their operands.
3345
3346 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3347
3348         PR target/35088
3349         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3350
3351 2008-02-15  Jan Hubicka  <jh@suse.cz>
3352
3353         PR middle-end/35149
3354         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3355
3356 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3357
3358         PR middle-end/34621
3359         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3360         when calculating alignment_pad.
3361
3362 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3363
3364         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3365         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3366         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3367         and STACK_BOUNDARY define.
3368
3369 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3370
3371         PR preprocessor/35061
3372         * c-pragma.c (handle_pragma_pop_macro): Check that
3373         pushed_macro_table has been allocated.
3374
3375 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3376
3377         PR middle-end/35136
3378         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3379         (force_gimple_operand): Likewise.
3380         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3381         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3382         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3383         (find_interesting_uses_address): Check addressability and alignment
3384         of the base expression only after substituting bases of IVs into it.
3385
3386 2008-02-14  Michael Matz  <matz@suse.de>
3387
3388         PR target/34930
3389         * function.c (instantiate_virtual_regs_in_insn): Reload address
3390         before falling back to reloading the whole operand.
3391
3392 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3393
3394         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3395         before the first section switch note.
3396
3397 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3398
3399         * doc/bugreport.texi: Update copyright years.
3400         * doc/c-tree.texi: Likewise.
3401         * doc/cfg.texi: Likewise.
3402         * doc/cpp.texi: Likewise.
3403         * doc/cppinternals.texi: Likewise.
3404         * doc/fragments.texi: Likewise.
3405         * doc/frontends.texi: Likewise.
3406         * doc/gcc.texi: Likewise.
3407         * doc/gty.texi: Likewise.
3408         * doc/hostconfig.texi: Likewise.
3409         * doc/implement-c.texi: Likewise.
3410         * doc/libgcc.texi: Likewise.
3411         * doc/loop.texi: Likewise.
3412         * doc/makefile.texi: Likewise.
3413         * doc/options.texi: Likewise.
3414         * doc/passes.texi: Likewise.
3415         * doc/rtl.texi: Likewise.
3416         * doc/sourcebuild.texi: Likewise.
3417         * doc/standards.texi: Likewise.
3418         * doc/tree-ssa.texi: Likewise.
3419         * doc/trouble.texi: Likewise.
3420
3421         * doc/extend.texi: Use @: or add comma where appropriate.