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* config/i386/i386.c (override_options): Initialize
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.c (override_options): Initialize
4         ix86_veclib_handler to ix86_veclibabi_svml when
5         -mveclibabi=svml is used.
6         (ix86_veclibabi_svml): New function for SVML ABI style
7         vectorization support.
8         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
9
10 2008-03-28  Rafael Espindola  <espindola@google.com>
11
12         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
13         (tree_binary_nonnegative_warnv_p): Make it public.
14         (tree_single_nonnegative_warnv_p): Make it public.
15         (tree_invalid_nonnegative_warnv_p): Make it public.
16         (tree_unary_nonzero_warnv_p): Make it public.
17         (tree_binary_nonzero_warnv_p): Make it public
18         (tree_single_nonzero_warnv_p): Make it public.
19         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
20         (extract_range_from_binary_expr): Split the expr argument.
21         (extract_range_from_unary_expr): Split the expr argument.
22         (extract_range_from_comparison): Split the expr argument.
23         (extract_range_from_expr): Use the new aux functions.
24         (vrp_evaluate_conditional_warnv): Use
25         vrp_evaluate_conditional_warnv_with_ops.
26         * tree.h (tree_unary_nonzero_warnv_p): Declare.
27         (tree_binary_nonzero_warnv_p): Declare.
28         (tree_single_nonzero_warnv_p): Declare.
29         (tree_expr_nonzero_warnv_p): Declare.
30         (tree_unary_nonnegative_warnv_p): Declare.
31         (tree_binary_nonnegative_warnv_p): Declare.
32         (tree_single_nonnegative_warnv_p): Declare.
33         (tree_invalid_nonnegative_warnv_p): Declare.
34
35 2008-03-28  Richard Guenther  <rguenther@suse.de>
36
37         PR tree-optimization/30317
38         PR tree-optimization/30911
39         PR tree-optimization/34793
40         * tree-vrp.c (set_and_canonicalize_value_range): New function.
41         (struct assert_locus_d): New member EXPR.
42         (register_new_assert_for): Add EXPR parameter to support
43         ASSERT_EXPR <name, expr OP limit>.
44         (register_edge_assert_for_1): Adjust callers.
45         (find_assert_locations): Likewise.
46         (process_assert_insertions_for): Build condition from expression.
47         (extract_range_from_assert): Handle ASSERT_EXPRs
48         of the form ASSERT_EXPR <name, expr OP limit>.
49         (register_edge_assert_for_2): New helper registering
50         asserts for comparisons.  Recognize range tests of the form
51         (unsigned)i - CST1 OP CST2.
52         (register_edge_assert_for_1): Use it.
53         (register_edge_assert_for): Likewise.
54         (needs_overflow_infinity): Integer sub-types
55         do not need overflow infinities.
56         (vrp_val_is_max): The extreme values of integer sub-types
57         are those of the base type.
58         (vrp_val_is_min): Likewise.
59         * tree.def (ASSERT_EXPR): Document extra allowed conditional
60         expressions.
61
62 2008-03-28  Nick Clifton  <nickc@redhat.com>
63
64         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
65         Return GENERAL_REGS for stack adjustment reloads.
66
67 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
68
69         PR target/31334
70         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
71         const_vector when all the vectors are constant.
72
73 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
74
75         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
76         comparisons.
77         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
78         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
79         (scc_sf): New.
80         (s<code>_sf): Use new scc_sf attribute for opcode names.
81
82 2008-03-27  Tom Tromey  <tromey@redhat.com>
83
84         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
85         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
86         config/spu/t-spu-elf, config/i386/t-interix,
87         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
88         config/i386/x-darwin, config/i386/x-mingw32,
89         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
90         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
91         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
92         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
93         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
94         config/rs6000/x-darwin, config/rs6000/t-rs6000,
95         config/score/t-score-elf, config/arm/t-strongarm-pe,
96         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
97         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
98         Revert automatic dependency patch.
99
100 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
101
102         PR target/35657
103         * config/i386/i386.c (ix86_function_arg_boundary): Align
104         decimal floating point to its natural boundary.
105
106 2008-03-27  Richard Guenther  <rguenther@suse.de>
107
108         PR middle-end/35716
109         * fold-const.c (fold_comparison): Restrict distinct decl
110         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
111         solely rely on operand_equal_p.
112
113 2008-03-27  Richard Guenther  <rguenther@suse.de>
114
115         PR c/32511
116         * c-common.c (handle_weak_attribute): Reject combination of
117         weak and inline.
118
119 2008-03-27  Richard Guenther  <rguenther@suse.de>
120
121         PR tree-optimization/32810
122         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
123         conversions from DECL_INITIAL.
124         (fold_const_aggregate_ref): Likewise from constructor elements.
125
126 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
127
128         * tree-affine.h (aff_combination_expand): Declare.
129         (get_inner_reference_aff): Likewise.
130         * tree-affine.c (aff_combination_expand): Split out from
131         tree_to_aff_combination_expand.
132         (get_inner_reference_aff): New function.
133         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
134         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
135         (struct lim_aux_data): sm_done field removed.
136         (mem_ref_loc_p, mem_ref_locs_p): New types.
137         (struct mem_ref): Added id, stored, accesses_in_loop,
138         indep_loop, dep_loop, indep_ref, dep_ref fields.
139         Removed is_stored, locs and next fields.
140         (memory_accesses): New variable.
141         (movement_possibility): Do not allow moving statements
142         that store to memory.
143         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
144         New functions.
145         (determine_max_movement): For statements with memory references,
146         find the outermost loop in that the reference is independent.
147         (move_computations_stmt): Mark the virtual operands for renaming.
148         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
149         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
150         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
151         add_vop_ref_mapping, create_vop_ref_mapping_loop,
152         create_vop_ref_mapping, analyze_memory_references,
153         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
154         get_all_locs_in_loop, ref_always_accessed_p,
155         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
156         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
157         store_motion_loop, store_motion): New functions.
158         (struct vop_to_refs_elt): New type.
159         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
160         memref_hash, memref_eq, hoist_memory_references): Rewritten.
161         (schedule_sm): Replaced by...
162         (execute_sm): ... this.
163         (determine_lsm_ref, hoist_memory_references,
164         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
165         find_more_ref_vops, free_mem_ref, free_mem_refs,
166         determine_lsm_loop, determine_lsm): Removed.
167         (tree_ssa_lim_finalize): Free data structures used by store motion.
168         (tree_ssa_lim): Call analyze_memory_references.  Use
169         store_motion instead of determine_lsm.
170
171 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
172
173         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
174         rename tmake_file to m68hc11/t-m68hc11.
175         (mcore): Set inhibit_libc to true.
176         * config.host (alpha*-dec-*vms*): Set extra_programs.
177         (interix3*): Don't use host_xmake_file.
178         * configure.ac: Let config.gcc override inhibit_libc.
179         * configure: Regenerate.
180
181         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
182         * config/t-openbsd-thread: Remove commented out lines.
183         
184         * config/x-interix: Remove.
185
186         * config/m68hc11/t-m68hc11-gas: Rename to...
187         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
188
189         * config/mcore/t-mcore: Remove T_CFLAGS.
190         * config/mcore/t-mcore-pe: Likewise.
191
192 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
193
194         * configure.ac: Replace custom __GNU_SOURCE test with
195         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
196         * aclocal.m4: Regenerate.
197         * configure: Regenerate.
198         * config.in: Regenerate.
199
200 2008-03-27  Richard Guenther  <rguenther@suse.de>
201
202         * fold-const.c (target.h): Include.
203         (fold_comparison): Fold comparison of addresses of decls
204         that bind locally or of constants.  Consolidate address folding code.
205         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
206         results from fold_binary_to_constant.
207         (compare_values_warnv): Likewise.
208
209 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
210
211         PR middle-end/35429
212         * fold-const.c (fold_truthop): Check for integeral types when folding
213         a == 0 && b == 0 and a != 0 || b != 0 .
214
215 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
216
217         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
218
219 2008-03-26  Andreas Schwab  <schwab@suse.de>
220
221         * doc/invoke.texi: Fix use of @item vs. @itemx.
222
223 2008-03-26  Tom Tromey  <tromey@redhat.com>
224
225         * Makefile.in (build/gensupport.o, build/print-rtl.o,
226         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
227         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
228         build/gencodes.o, build/genconditions.o, build/genconfig.o,
229         build/genconstants.o, build/genemit.o, build/genextract.o,
230         build/genflags.o, build/genmddeps.o, build/genopinit.o,
231         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
232         options.h.
233
234 2008-03-26  Richard Guenther  <rguenther@suse.de>
235
236         Revert
237         2008-03-26  Richard Guenther  <rguenther@suse.de>
238
239         * fold-const.c (target.h): Include.
240         (fold_comparison): Fold comparison of addresses of two decls
241         that bind locally.  Consolidate address folding code.
242
243 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
244
245         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
246         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
247         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
248         dconstsqrt2, dconstthird, dconste and/or dconst10.
249         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
250         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
251         dconstsqrt2, dconste): Delete.
252         (init_emit_once): Likewise.  Simplify initializing dconstm1.
253         Constify variable.
254         * real.c (get_real_const): New.
255         * real.h (dconst3, dconst10, dconstm2, dconstthird,
256         dconstsqrt2, dconste): Delete.
257         (real_value_const, get_real_const): New.
258
259 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
260
261         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
262
263         * config/i386/i386.c (ix86_function_arg_boundary): Check
264         BIGGEST_ALIGNMENT instead of 128.
265         (setup_incoming_varargs_64): Likewise.
266
267 2008-03-26  Tom Tromey  <tromey@redhat.com>
268
269         * Makefile.in (DEPFILES): Add missing '/'.
270
271 2008-03-26  Richard Guenther  <rguenther@suse.de>
272
273         * fold-const.c (target.h): Include.
274         (fold_comparison): Fold comparison of addresses of two decls
275         that bind locally.  Consolidate address folding code.
276
277 2008-03-26  Nick Clifton  <nickc@redhat.com>
278
279         PR target/31232
280         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
281         not allow INT+INT as a legitimate addressing mode.
282
283 2008-03-26  Richard Guenther  <rguenther@suse.de>
284
285         * tree-flow.h (widen_bitfield): Remove declaration.
286         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
287         (widen_bitfield): Remove function.
288         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
289         code.
290
291 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
292
293         PR target/31558
294         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
295         error_mark_node's.
296
297 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
298
299         PR rtl-optimization/35232
300         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
301         (forget_old_reloads_1, forget_marked_reloads): Don't clear
302         reg_reloaded_call_part_clobbered here.
303         (reload_regs_reach_end_p): New function.
304         (reload_reg_rtx_for_input): New variable.
305         (reload_reg_rtx_for_output): Likewise.
306         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
307         when reassigning a pseudo register.  Load reloadreg from 
308         reload_reg_rtx_for_input, moving the mode and register
309         calculation to...
310         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
311         instead of the original when deciding whether an input reload
312         would be a no-op or whether an output reload can be deleted.
313         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
314         when setting up new_spill_reg_store.  Load it from
315         reload_reg_rtx_for_output, moving the mode and register
316         calculation to...
317         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
318         instead of the original when deciding whether an output reload
319         would be a no-op.  Do the same when modifying insn notes.
320         Use rtx_equal_p instead of == to compare the registers.
321         (inherit_piecemeal_p): Take a mode and two register numbers
322         as argument.
323         (emit_reload_insns): Clear new_spill_reg_store for every hard
324         register in the reload register.  Remove spill registers
325         from reg_reloaded_valid before considering whether to record
326         inheritance information for them.  Use reload_reg_rtx_for_output
327         instead of reg_rtx when recording output reloads.  Use
328         reload_reg_rtx_for_input instead of reg_rtx when recording
329         input reloads.  Set or clear reg_reloaded_call_part_clobbered
330         at the same time as setting reg_reloaded_valid.
331         (delete_output_reload): Add a new_reload_reg parameter and use it
332         instead of rld[j].reg_rtx.
333         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
334         calls accordingly.
335
336 2008-03-25  Tom Tromey  <tromey@redhat.com>
337
338         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
339         (build/genattr.o): Likewise.
340         (build/genattrtab.o): Likewise.
341         (build/gencodes.o): Likewise.
342         (build/genconfig.o): Likewise.
343         (build/genconstants.o): Likewise.
344         (build/genemit.o): Likewise.
345         (build/genextract.o): Likewise.
346         (build/genflags.o): Likewise.
347
348 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
349         
350         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
351         instead of size_int for integer types.
352         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
353         to match type of MINUS_EXPR.
354         
355 2008-03-25  Tom Tromey  <tromey@redhat.com>
356
357         * configure: Rebuilt.
358         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
359         Makefile.
360
361 2008-03-25  Tom Tromey  <tromey@redhat.com>
362
363         * config/x-solaris (host-solaris.o): Update.
364         * config/x-linux (host-linux.o): Update.
365         * config/x-hpux (host-hpux.o): Update.
366         * config/x-darwin (host-darwin.o): Update.
367         * config/v850/t-v850e (v850-c.o): Update.
368         * config/v850/t-v850 (v850-c.o): Update.
369         * config/t-vxworks (vxworks.o): Update.
370         * config/t-sol2 (sol2-c.o, sol2.o): Update.
371         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
372         * config/spu/t-spu-elf (spu-c.o): Update.
373         (spu.o): Remove.
374         * config/sh/t-symbian (sh-c.o): Update.
375         (symbian.o): Update.
376         * config/sh/t-sh (sh-c.o): Update.
377         * config/score/t-score-elf (score7.o, score3.o): Update.
378         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
379         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
380         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
381         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
382         (rs6000.o): Remove.
383         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
384         * config/m32c/t-m32c (m32c-pragma.o): Update.
385         * config/ia64/t-ia64 (ia64-c.o): Update.
386         * config/i386/x-mingw32 (host-mingw32.o): Update.
387         * config/i386/x-i386 (driver-i386.o): Update.
388         * config/i386/x-darwin (host-i386-darwin.o): Update.
389         * config/i386/x-cygwin (host-cygwin.o): Update.
390         * config/i386/t-nwld (nwld.o): Update.
391         * config/i386/t-netware (netware.o): Update.
392         * config/i386/t-interix (winnt.o): Update.
393         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
394         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
395         msformat-c.o): Update.
396         * config/bfin/t-bfin-linux (generated_files): Add
397         linux-sysroot-suffix.h.
398         * config/arm/t-wince-pe (pe.o): Update.
399         * config/arm/t-strongarm-pe (pe.o): Update.
400         * config/arm/t-pe (pe.o): Update.
401         * config/arm/t-arm (arm-c.o): Update.
402         * doc/install.texi (Prerequisites): Require make 3.80.
403         * Makefile.in: Remove .o targets.
404         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
405         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
406         (simple_generated_h, simple_generated_c): Move earlier.
407         (generated_files): New variable.
408         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
409         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
410         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
411         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
412         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
413         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
414         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
415         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
416         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
417         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
418         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
419         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
420         (.c.o): Remove.
421         (COMPILE.base, COMPILE): New variables.
422         (%.o): New pattern rule.
423         (ALL_HOST_OBJS): New variable.
424         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
425         (dummy-checksum.o, cc1-checksum.o): Remove.
426         (DRIVER_SHLIB): New variable.
427         (DRIVER_DEFINES): Use it.
428         (gencondmd.c): Move out of build/.
429         (s-conditions): Update.
430         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
431         (ALL_BUILD_OBJS): Likewise.
432         (build/%.o): Use BUILDCOMPILE.
433         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
434         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
435         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
436         build/gencheck.o, build/gencodes.o, build/genconditions.o,
437         build/genconfig.o, build/genconstants.o, build/genemit.o,
438         build/genextract.o, build/genflags.o, build/genmddeps.o,
439         build/genopinit.o, build/genoutput.o, build/genpeep.o,
440         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
441         build/gen-protos.o, build/scan.o, build/fix-header.o,
442         build/scan-decls.o): Simplify.
443         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
444         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
445         prefix.o, toplev.o): Reduce to variable setting.
446         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
447         ($(out_object_file), gcc-options.o): New targets.
448         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
449         * configure: Rebuilt.
450         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
451         * doc/sourcebuild.texi (Front End Directory): Document new variable.
452
453 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
454
455         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
456         complain when we hit an error, return ERROR_MARK_NODE.
457
458 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
459
460         * config/sh/constraints.md (Pso, Psz): New constraints.
461         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
462         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
463
464 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
465
466         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
467         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
468
469 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
470
471         * config/sh/sh.md (prefetch): Add condition for SH2A target.
472         (prefetch_sh2a): New.   
473
474 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
475             Naveen.H.S  <naveen.hs@kpitcummins.com>
476
477         * config/sh/constraints.md (I28): New constraint.
478         * config/sh/sh.c (broken_move): Add support for movi20s.
479         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
480
481 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
482             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
483             Naveen.H.S  <naveen.hs@kpitcummins.com>
484
485         * config/sh/sh.c (SH_ATTRIBUTES): Define.
486         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
487         (print_operand): Handle resbank in %@ operand code.
488         (sh_encode_section_info): New.
489         (push_regs): Add conditions for resbank.
490         (sh_expand_epilogue): Likewise.
491         (sh_insert_attributes): Likewise.
492         (sh_attribute_table): Likewise.
493         (sh_handle_resbank_handler_attribute): New.
494         (sh2a_handle_function_vector_handler_attribute): New.
495         (sh2a_is_function_vector_call): New.
496         (sh2a_get_function_vector_number): New.
497         (sh2a_function_vector_p): New.
498         (sh_cfun_resbank_handler_p): New.
499         * config/sh/sh.md (calli): Emit jsr/n if possible.
500         (calli_tbr_rel): New.
501         (calli_pcrel): Emit jsr/n if possible.
502         (return_i): Emit rts/n if possible.
503         (call_valuei_tbr_rel): New.
504         (call_valuei_pcrel): Add condition for SH2A target.
505         (call_value): Likewise.
506         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
507         (sh2a_get_function_vector_number): Likewise.
508         (sh2a_is_function_vector_call): Likewise.
509         * doc/extend.texi: Document TBR relative addressing of SH2A.
510         (resbank): Add description for SH2A.
511
512 2008-03-24  Richard Guenther  <rguenther@suse.de>
513
514         PR c/22371
515         * gimplify.c (gimplify_modify_expr): For frontend type-correct
516         pointer assignments change conversions according to middle-end rules.
517         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
518         * configure.ac: Include type checking in yes.
519         * configure: Regenerate.
520
521 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
522
523         * diagnostic.c (diagnostic_count_diagnostic): Delete.
524         (diagnostic_report_diagnostic): Update. Handle ICEs here.
525         
526 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
527
528         * gthr-vxworks.h (UNUSED): Define.
529
530 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
531
532         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
533
534 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
535
536         * doc/extend.texi (Function Attributes): Add missing comma in the
537         example of the "alloc_size" attribute.
538         
539 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
540
541         Revert:
542         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
543
544         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
545         32bit host.
546
547         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
548
549         PR target/35496
550         * stor-layout.c (update_alignment_for_field): Set minimum alignment
551         of the underlying type of a MS bitfield layout to the natural
552         alignment of the type.
553
554         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
555
556         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
557         to their natural alignment to avoid store forwarding stalls.
558
559 2008-03-22  Richard Guenther  <rguenther@suse.de>
560
561         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
562         For PHI nodes verify the address is invariant.
563         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
564         (get_symbol_constant_value): Use is_gimple_min_invariant.
565         (maybe_fold_stmt_indirect): Likewise.
566
567 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
568
569         PR rtl-optimization/33927
570         * Makefile.in (dse.o): Depend on $(TM_P_H).
571         * expr.h (extract_low_bits): Declare.
572         * expmed.c (extract_low_bits): New function.
573         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
574         * dse.c: Include tm_p.h.
575         (find_shift_sequence): Remove the read_reg argument and return the
576         read value.  Emit the instructions instead of returning them.
577         Iterate on new_mode rather than calculating it each time.
578         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
579         source to NEW_MODE and extract_low_bits to convert the shifted
580         value to READ_MODE.
581         (replace_read): Allow the load and store to have different mode
582         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
583         or extraction instructions before trying the replacement.  Update
584         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
585
586 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
587
588         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
589         to their natural alignment to avoid store forwarding stalls.
590
591 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
592
593         PR target/27946
594         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
595         encouraging but not allowing gprs for input;
596         change the input constraint to !f#r.
597         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
598         gprs for output;
599         change the output constraint to !f#r.
600
601 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
602
603         PR target/13958
604         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
605         corresponding post-reload splitters.
606         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
607         when x87 FP math is selected.
608         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
609         New function prototype.
610         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
611         unreachable function to ease macroization of insn patterns.
612
613 2008-03-21  Martin Jambor  <mjambor@suse.cz>
614
615         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
616         reference dumps if ddr is NULL or dependence is unknown.
617
618 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
619
620         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
621         unsigned extension into account.
622         (ATOMIC_COMPARE_AND_SWAP): Likewise.
623         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
624         Do computations on a scratch register.
625
626 2008-03-21  Richard Guenther  <rguenther@suse.de>
627
628         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
629         Use is_gimple_min_invariant instead of TREE_INVARIANT.
630         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
631         * tree-ssa-dom.c (record_equality): Likewise.
632         * tree-inline.c (copy_body_r): Likewise.
633         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
634         TREE_INVARIANT.
635
636 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
637
638         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
639         as 'delete_unused' argument.
640
641 2008-03-20  Richard Guenther  <rguenther@suse.de>
642
643         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
644         special casing of constant qualifiers.
645         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
646         care about them in general.
647         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
648         regardless of their type.
649         (fold_stmt_r): Forcefully fold *& if we end up with that.
650
651 2008-03-20  Paul Brook  <paul@codesourcery.com>
652
653         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
654         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
655         linker flags.
656         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
657         definition.
658         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
659         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
660
661 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
662
663         * common.opt (Wmudflap): New option.
664         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
665         (mx_register_decls): Likewise.
666         (mudflap_finish_file): Likewise.
667         * doc/invoke.texi: Document -Wno-mudflap.
668
669 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
670
671         * c-format.c (replace_format_name_to_system_name): New.
672         (cmp_attribs): New.
673         (convert_format_name_to_system_name): New.
674         (decode_format_attr): Add use of convert_format_name_to_system_name.
675         (format_types_orig): Add gnu_ prefix to names.
676         (check_format_info_main): Special treating of \0 escaped names for
677         supporting multi-character format specifiers as I32, I64.
678         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
679         (gnu_target_overrides_format_attributes): New.
680         * c-format.h: Add structure target_ovr_attr to hold
681         system specific formatter names.
682         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
683         msformat-c.o file to c_target_objs and cxx_target_objs.
684         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
685         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
686         (TARGET_N_FORMAT_TYPES): New.
687         * config/i386/msformat-c.c: New.
688         * config/i386/t-cygming: Add build rule for msformat-c.o.
689         * doc/extend.texi: Add new format names gnu_* and ms_* and
690         further details.
691         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
692
693 2008-03-20  Ira Rosen  <irar@il.ibm.com>
694
695         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
696         optimizations turned on under -O3.
697         (ftree-vectorize): Add that the flag is turned on with -O3.
698
699 2008-03-20  Ben Elliston  <bje@au.ibm.com>
700
701         * regmove.c (try_auto_increment): Fix spelling error in comment.
702         * final.c (final_scan_insn): Likewise.
703
704 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
705
706         PR target/14552
707         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
708         allocator preferences for "y" and "r" class registers.
709         ("*mov<mode>_internal"): Ditto.
710         ("*movv2sf_internal_rex64"): Ditto.
711         ("*movv2sf_internal"): Ditto.
712
713 2008-03-19  Michael Matz  <matz@suse.de>
714
715         PR middle-end/35616
716         * calls.c (expand_call): Check overlap of arguments with call
717         address for sibcalls.
718
719 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
720
721         PR target/35496
722         * stor-layout.c (update_alignment_for_field): Set minimum alignment
723         of the underlying type of a MS bitfield layout to the natural
724         alignment of the type.
725
726 2008-03-19  Jan Hubicka  <jh@suse.cz>
727
728         PR other/35094
729         * toplev.c (decode_d_option): Handle all CPP flags.
730         * tree-vrp.c: Update tree_pass descriptors.
731         * regrename.c: Update tree_pass descriptors.
732         * fwprop.c: Update tree_pass descriptors.
733         * doc/invoke.texi: Remove documentation of dropped -d? flags.
734         * tree-into-ssa.c: Update tree_pass descriptors.
735         * tree-dump.c: Update tree_pass descriptors.
736         * tree-complex.c: Update tree_pass descriptors.
737         * tree-dump.h: Update tree_pass descriptors.
738         * see.c: Update tree_pass descriptors.
739         * cgraphbuild.c: Update tree_pass descriptors.
740         * tracer.c: Update tree_pass descriptors.
741         * tree-loop-distribution.c: Update tree_pass descriptors.
742         * cgraph.c: Update tree_pass descriptors.
743         * postreload-gcse.c: Update tree_pass descriptors.
744         * postreload.c: Update tree_pass descriptors.
745         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
746         * tree-tailcall.c: Update tree_pass descriptors.
747         * tree-pass.h (tree_opt_pass): Rename to ...
748         (opt_pass) ... this one; add "type" field and remove letter field.
749         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
750         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
751         all_lowering_passes): Update declaration.
752         * ipa-cp.c: Update tree_pass descriptors.
753         * final.c: Update tree_pass descriptors.
754         * omp-low.c: Update tree_pass descriptors.
755         * tree-ssa-dse.c: Update tree_pass descriptors.
756         * ipa-reference.c: Update tree_pass descriptors.
757         * tree-ssa-uncprop.c: Update tree_pass descriptors.
758         * auto-inc-dec.c: Update tree_pass descriptors.
759         * reorg.c: Update tree_pass descriptors.
760         * cgraphunit.c: Update tree_pass descriptors.
761         * tree-ssa-copyrename.c: Update tree_pass descriptors.
762         * tree-ssa-ccp.c: Update tree_pass descriptors.
763         * df-core.c: Update tree_pass descriptors.
764         * mode-switching.c: Update tree_pass descriptors.
765         * tree-nomudflap.c: Update tree_pass descriptors.
766         * modulo-sched.c: Update tree_pass descriptors.
767         * ipa-pure-const.c: Update tree_pass descriptors.
768         * cse.c: Update tree_pass descriptors.
769         * web.c: Update tree_pass descriptors.
770         * tree-stdarg.c: Update tree_pass descriptors.
771         * tree-ssa-math-opts.c: Update tree_pass descriptors.
772         * tree-ssa-dom.c: Update tree_pass descriptors.
773         * tree-nrv.c: Update tree_pass descriptors.
774         * tree-ssa-alias.c: Update tree_pass descriptors.
775         * loop-init.c: Update tree_pass descriptors.
776         * gimple-low.c: Update tree_pass descriptors.
777         * ipa-inline.c: Update tree_pass descriptors.
778         * tree-ssa-sink.c: Update tree_pass descriptors.
779         * global.c: Update tree_pass descriptors.
780         * ifcvt.c: Update tree_pass descriptors.
781         * jump.c: Update tree_pass descriptors.
782         * predict.c: Update tree_pass descriptors.
783         * tree-ssa-loop.c: Update tree_pass descriptors.
784         * recog.c: Update tree_pass descriptors.
785         * dse.c: Update tree_pass descriptors.
786         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
787         * tree-eh.c: Update tree_pass descriptors.
788         * regmove.c: Update tree_pass descriptors.
789         * local-alloc.c
790         * function.c: Update tree_pass descriptors.
791         * tree-vectorizer.c: Update tree_pass descriptors.
792         * gcse.c: Update tree_pass descriptors.
793         * ipa-type-escape.c: Update tree_pass descriptors.
794         * tree-if-conv.c: Update tree_pass descriptors.
795         * init-regs.c: Update tree_pass descriptors.
796         * ipa.c: Update tree_pass descriptors.
797         * tree-ssa-phiopt.c: Update tree_pass descriptors.
798         * rtl-factoring.c: Update tree_pass descriptors.
799         * lower-subreg.c: Update tree_pass descriptors.
800         * bt-load.c: Update tree_pass descriptors.
801         * tree-dfa.c: Update tree_pass descriptors.
802         * except.c: Update tree_pass descriptors.
803         * emit-rtl.c: Update tree_pass descriptors.
804         * cfgexpand.c: Update tree_pass descriptors.
805         * tree-cfgcleanup.c: Update tree_pass descriptors.
806         * cfgcleanup.c: Update tree_pass descriptors.
807         * tree-ssa-pre.c: Update tree_pass descriptors.
808         * tree-sra.c: Update tree_pass descriptors.
809         * tree-mudflap.c: Update tree_pass descriptors.
810         * tree-ssa-copy.c: Update tree_pass descriptors.
811         * cfglayout.c: Update tree_pass descriptors.
812         * tree-ssa-forwprop.c: Update tree_pass descriptors.
813         * tree-ssa-dce.c: Update tree_pass descriptors.
814         * tree-ssa.c: Update tree_pass descriptors.
815         * regclass.c: Update tree_pass descriptors.
816         * integrate.c: Update tree_pass descriptors.
817         * tree-optimize.c: Update tree_pass descriptors.
818         * tree-ssa-phiprop.c: Update tree_pass descriptors.
819         * tree-object-size.c: Update tree_pass descriptors.
820         * combine.c: Update tree_pass descriptors.
821         * tree-outof-ssa.c: Update tree_pass descriptors.
822         * bb-reorder.c: Update tree_pass descriptors.
823         * stack-ptr-mod.c: Update tree_pass descriptors.
824         * var-tracking.c: Update tree_pass descriptors.
825         * tree-profile.c: Update tree_pass descriptors.
826         * tree-vect-generic.c: Update tree_pass descriptors.
827         * reg-stack.c: Update tree_pass descriptors.
828         * sched-rgn.c: Update tree_pass descriptors.
829         * tree-ssa-structalias.c: Update tree_pass descriptors.
830         * tree-cfg.c: Update tree_pass descriptors.
831         * passes.c (current_pass): Update declaration.
832         (finish_optimization_passes): Update.
833         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
834         (register_one_dump_file, register_dump_files_1, next_pass_1):
835         Update arguments.
836         (init_optimization_passes): Update handling of new types.
837         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
838         * ipa-struct-reorg.c: Update tree_pass descriptors.
839         * tree-ssa-reassoc.c: Update tree_pass descriptors.
840         * combine-stack-adj.c: Update tree_pass descriptors.
841         * cfgrtl.c: Update tree_pass descriptors.
842         * dce.c: Update tree_pass descriptors.
843         * tree-ssanames.c: Update tree_pass descriptors.
844
845 2008-03-19  Richard Guenther  <rguenther@suse.de>
846
847         PR middle-end/35609
848         * tree-ssa.c (walk_data): New structure.
849         (warn_uninitialized_var): If not always_executed warn with "maybe"
850         instead of "is".
851         (execute_early_warn_uninitialized): Compute post-dominators.
852         Initialize always_executed before processing each basic block.
853
854 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
855
856         PR target/35504
857         * config/i386/i386.c (x86_this_parameter): Calculate correct location
858         of "this" pointer when "regparm = N" or "fastcall" is in effect.
859
860 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
861
862         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
863
864 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
865
866         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
867         is true.
868         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
869         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
870         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
871         target after ignore has been set, and move there also the commputation
872         of subtarget and original_target.
873         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
874         (LANG_HOOKS_INITIALIZER): Remove it.
875         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
876
877 2008-03-18  Richard Guenther  <rguenther@suse.de>
878
879         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
880         found an expression with constants, note that in the VN for the lhs.
881         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
882         fold them to constants if possible.  Run cleanup_cfg if done so.
883         (execute_pre): Return todo.
884         (do_pre): Likewise.
885         (execute_fre): Likewise.
886         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
887         of constants.
888         (get_prop_source_stmt): Look through pointer conversions.
889
890 2008-03-18  Jan Hubicka  <jh@suse.cz>
891
892         * tree-pretty-print.c: Include predict.h.
893         (dump_generic_node): Dump predictor.
894         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
895         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
896         * gimple-low.c (lower_stmt): Likewise.
897         * expr.c (expand_expr_real): Likewise.
898         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
899         them.
900         (build_predict_expr, build_predict_expr): New.
901         * predict.h (predictor_name, build_predict_expr): Update.
902         * c-typeck.c (c_finish_bc_stmt): Add prediction.
903         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
904         * predict.def (PRED_CONTINUE): Update hitrate.
905         * tree.def (PREDICT_EXPR): Define.
906         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
907         do not handle BIND_EXPR.
908         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
909         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
910         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
911         operands.
912
913 2008-03-18  Michael Matz  <matz@suse.de>
914
915         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
916
917 2008-03-18  Richard Guenther  <rguenther@suse.de>
918
919         * tree-gimple.h (is_gimple_invariant_address): Declare.
920         (is_gimple_constant): Likewise.
921         * tree-gimple.c (is_gimple_constant): New function.
922         (is_gimple_invariant_address): Likewise.
923         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
924         and is_gimple_invariant_address.
925         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
926         previous change.
927         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
928         an addressable base.
929
930 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
931
932         PR middle-end/35611
933         * gimplify.c (gimplify_expr): Gimplify second operand of
934         OMP_ATOMIC_LOAD.
935
936 2008-03-17  Richard Guenther  <rguenther@suse.de>
937
938         PR tree-optimization/19637
939         * fold-const.c (fold_unary): Remove restrictions of removing
940         intermediate pointer-conversions (P2)(P1)P0.
941         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
942         conversion to void pointer.
943         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
944
945 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
946
947         PR debug/31510
948         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
949         emulated thread local variables.
950
951 2008-03-16  Richard Guenther  <rguenther@suse.de>
952
953         PR middle-end/35607
954         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
955         expand TREE_INVARIANT operations that are not gimple invariant.
956
957 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
958
959         * doc/extend.texi (Alignment): Say that the ABI controls
960         the __alignof__ for non-strict-alignment targets rather
961         than being a recommendation.
962
963 2008-03-15  Paul Brook  <paul@codesourcery.com>
964
965         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
966         annotations.
967         (arm_output_fn_unwind): Mark functions that can not be unwound.
968
969 2008-03-15  Paul Brook  <paul@codesourcery.com>
970
971         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
972         extension instructions.
973
974 2008-03-15  Richard Guenther  <rguenther@suse.de>
975
976         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
977         and fold constant aggregate refs.
978         (fold_const_aggregate_ref): Handle string constants
979         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
980         (evaluate_stmt): Simplify now that ccp_fold folds constant
981         aggregate refs.
982
983 2008-03-15  Paul Brook  <paul@codesourcery.com>
984
985         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
986         (extzv): Use gen_extzv_t2.
987         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
988
989 2008-03-15  Richard Guenther  <rguenther@suse.de>
990
991         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
992         (fold_const_aggregate_ref): Likewise.
993         (get_value): Return NULL if we don't have any values.
994         (ccp_finalize): Set const_val to NULL after freeing it.
995         * tree-flow.h (get_symbol_constant_value): Declare.
996         (fold_const_aggregate_ref): Likewise.
997         * tree-ssa-sccvn.c (try_to_simplify): Use them.
998
999 2008-03-15  Richard Guenther  <rguenther@suse.de>
1000
1001         PR middle-end/35593
1002         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1003         to not produce negative array indices if not allowed.  Add
1004         parameter to indicate that.
1005         (maybe_fold_offset_to_component_ref): Allow negative array
1006         indices only for the first member of a structure.
1007         (maybe_fold_offset_to_reference): Allow negative array indices.
1008         (maybe_fold_stmt_addition): Likewise.
1009
1010 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1011             Anatoly Sokolov <aesok@post.ru>
1012
1013         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1014         (avr_arch): Add ARCH_AVR6.
1015         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1016         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1017         instead of fixed value 2.
1018         (print_operand_address): Use gs() asm specifier instead of pm().
1019         (avr_assemble_integer): (Ditto.).
1020         (avr_output_addr_vec_elt): (Ditto.).
1021         (print_operand): Handle "!" code.
1022         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1023         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1024         (AVR_HAVE_EIJMP_EICALL): Define.
1025         (AVR_3_BYTE_PC): Redefine.
1026         (AVR_2_BYTE_PC): (Ditto.).
1027         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1028         (LINK_SPEC): Add atmega2560 and atmega2561.
1029         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1030         (crtm2561.o).
1031         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1032         for 3 byte PC devices.
1033         (call_value_insn): (Ditto.).
1034         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1035         (indirect_jump): Use only for for 2 byte PC devices.
1036         (*tablejump): (Ditto.).
1037         (*indirect_jump_avr6): Add insn.
1038         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1039         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1040         instead of ijmp for 3 byte PC devices.
1041         (__tablejump2__): (Ditto.).
1042         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1043         (MULITLIB_DIRNAMES): (Ditto.). 
1044         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1045
1046 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1047
1048         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1049         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1050         ("mmx_psadbw"): Use V1DI mode for operand 0.
1051         * config/i386/i386-modes.def (V1SI): New vector mode.
1052         * config/i386/i386.c (struct builtin_description)
1053         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1054         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1055         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1056         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1057         v1di_ftype_v8qi_v8qi type.
1058         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1059
1060         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1061         __builtin_ia32_pmuludq]: Fix the mode of return value.
1062
1063 2008-03-15  Richard Guenther  <rguenther@suse.de>
1064
1065         PR middle-end/35595
1066         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1067         being a PHI_NODE.
1068
1069 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1070         
1071         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1072         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1073         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1074         unless TARGET_SERIALIZE_VOLATILE is enabled.
1075         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1076         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1077         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1078
1079 2008-03-14  Richard Guenther  <rguenther@suse.de>
1080
1081         PR tree-optimization/34172
1082         * tree-flow.h (refs_may_alias_p): Declare.
1083         (get_single_def_stmt): Likewise.
1084         (get_single_def_stmt_from_phi): Likewise.
1085         (get_single_def_stmt_with_phi): Likewise.
1086         * tree-dfa.c (refs_may_alias_p): New function.
1087         (get_single_def_stmt): Likewise.
1088         (get_single_def_stmt_from_phi): Likewise.
1089         (get_single_def_stmt_with_phi): Likewise.
1090         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1091         (vn_reference_lookup_1): New helper function.
1092         (vn_reference_lookup): Walk the virtual use-def chain to
1093         continue searching for a match if the def does not alias the
1094         reference we are looking for.
1095
1096 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1097
1098         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1099         archive and Perzl.  Update The Written Word listing.
1100
1101 2008-03-14  Richard Guenther  <rguenther@suse.de>
1102
1103         PR tree-optimization/34043
1104         PR tree-optimization/33989
1105         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1106         when doing FRE.
1107         (bitmap_find_leader): Use extra argument to verify dominance
1108         relationship inside a basic-block.
1109         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1110         (find_leader_in_sets): Adjust.
1111         (create_component_ref_by_pieces): Take extra argument for
1112         dominance check, handle lookup failures.
1113         (find_or_generate_expression): Likewise.
1114         (create_expression_by_pieces): Likewise.
1115         (insert_into_preds_of_block): Adjust.
1116         (create_value_expr_from): If asked for, verify all operands
1117         are in the blocks AVAIL_OUT set.
1118         (make_values_for_stmt): Check for SSA_NAMEs that are life
1119         over an abnormal edge.
1120         (compute_avail): Remove such check.
1121         (do_SCCVN_insertion): New function.
1122         (eliminate): If we do not find a leader suitable for replacement
1123         insert a replacement expression from SCCVN if available.
1124         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1125         (struct vn_ssa_aux): Add needs_insertion flag.
1126         * tree-ssa-sccvn.c (may_insert): New global flag.
1127         (copy_reference_ops_from_ref): Value-number union member access
1128         based on its size, not type and member if insertion is allowed.
1129         (visit_reference_op_load): For a weak match from union type
1130         punning lookup a view-converted value and insert a SSA_NAME
1131         for that value if that is not found.
1132         (visit_use): Make dumps shorter.  Do not disallow value numbering
1133         SSA_NAMEs that are life over an abnormal edge to constants.
1134         (free_scc_vn): Release inserted SSA_NAMEs.
1135         (run_scc_vn): New flag to specify whether insertion is allowed.
1136         Process SSA_NAMEs in forward order.
1137         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1138         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1139         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1140         pointer type to/from integral types that do not change the
1141         precision to regular conversions.
1142
1143 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1144
1145         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1146         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1147         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1148         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1149         input arguments and the mode of return value.  Built-in functions
1150         that operate on whole 64-bit MMX register now use V1DI mode.
1151
1152 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1153             Olga Golovanevsky  <olga@il.ibm.com>
1154
1155         PR tree-optimization/35041
1156         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1157         to locate the right position in a statement.
1158
1159 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1160
1161         PR target/34000
1162         PR target/35553
1163         * config/i386/xmmintrin.h:  Change all static inline functions to
1164         extern inline and add __gnu_inline__ attribute.
1165         * config/i386/bmintrin.h: Ditto.
1166         * config/i386/smmintrin.h: Ditto.
1167         * config/i386/tmmintrin.h: Ditto.
1168         * config/i386/mmintrin-common.h: Ditto.
1169         * config/i386/ammintrin.h: Ditto.
1170         * config/i386/emmintrin.h: Ditto.
1171         * config/i386/pmmintrin.h: Ditto.
1172         * config/i386/mmintrin.h: Ditto.
1173         * config/i386/mm3dnow.h: Ditto.
1174
1175 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1176
1177         PR middle-end/35185
1178         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1179         (lower_omp_2): New function.
1180         (lower_omp_1, lower_omp): Rewritten.
1181
1182 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1183
1184         PR 35054
1185         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1186         with the phrase "Microsoft Windows compilers".
1187         (Push/Pop Macro Pragmas): New subsection. Document
1188         #pragma push_macro and pragma pop_macro.
1189
1190 2008-03-12  Paul Brook  <paul@codesourcery.com>
1191
1192         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1193
1194 2008-03-12  Paul Brook  <paul@codesourcery.com>
1195
1196         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1197         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1198         (thumb2_addsi_shortim): Rename ...
1199         (thumb2_addsi_short): ... to this.  Allow register operands.
1200         (thumb2_subsi_short): New pattern.
1201         (thumb2_one_cmplsi2_short,
1202         thumb2_negsi2_short): New patterns and peepholes.
1203
1204 2008-03-12  Paul Brook  <paul@codesourcery.com>
1205
1206         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1207
1208 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         * config/i386/i386.md (int_cond): New code iterator.
1211         (fp_cond): Ditto.
1212         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1213         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1214         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1215         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1216         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1217         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1218         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1219         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1220
1221 2008-03-12  Paul Brook  <paul@codesourcery.com>
1222
1223         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1224         instead of {arm,thumb}_compute_save_reg_mask.
1225         (output_return_instruction): Ditto.
1226         (thumb_unexpanded_epilogue): Ditto.
1227         (thumb1_expand_prologue): Ditto.
1228         (thumb1_output_function_prologue): Ditto.
1229         (arm_set_return_address): Ditto.
1230         (thumb_set_return_address): Ditto.
1231         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1232         regs to achieve stack alignment.
1233         (thumb1_compute_save_reg_mask): Fix compiler warning.
1234         (arm_output_epilogue): Use offsets->saved_regs_mask.
1235         Adjust stack pointer by poping call clobered registers.
1236         (arm_expand_prologue): Use offsets->saved_regs_mask.
1237         Adjust stack pointer by pushing extra registers.
1238         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1239
1240 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1241
1242         PR tree-opt/35422
1243         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1244         conversion to the operands of a multiplication.
1245
1246 2008-03-12  Richard Guenther  <rguenther@suse.de>
1247
1248         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1249         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1250         * timevar.def (TV_TREE_PHIPROP): Add.
1251         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1252         pass description.  Use TV_TREE_PHIPROP.
1253         * tree-ssa-forwprop.c: Remove phiprop code.
1254
1255 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR middle-end/35549
1258         * omp-low.c (maybe_lookup_decl): Constify first argument.
1259         (use_pointer_for_field): Change last argument from bool to
1260         omp_context *.  Disallow shared copy-in/out in nested
1261         parallel if decl is shared in outer parallel too.
1262         (build_outer_var_ref, scan_sharing_clauses,
1263         lower_rec_input_clauses, lower_copyprivate_clauses,
1264         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1265
1266 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1267             Ira Rosen  <irar@il.ibm.com>
1268
1269         * tree-vectorizer.c (free_stmt_vec_info): New function.
1270         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1271         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1272         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1273         * tree-vect-transform.c (vectorizable_conversion): Free
1274         vec_oprnds0 if it was allocated.
1275         (vect_permute_store_chain): Remove unused VECs.
1276         (vectorizable_store): Free VECs that are allocated in the..
1277         function.
1278         (vect_transform_strided_load, vectorizable_load): Likewise.
1279         (vect_remove_stores): Simplify the code.
1280         (vect_transform_loop): Move code to vect_remove_stores().
1281         Call vect_remove_stores() and free_stmt_vec_info().
1282
1283 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1284
1285         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1286         TARGET_HPUX.  Revise comment.
1287         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1288         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1289         Use sr4 variant of `be' instruction when not generating PIC code.
1290         (attr_length_call): Adjust for above change.
1291
1292 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1293
1294         * ipa-reference.c (static_execute): Remove module_statics_const and
1295         associated setting code.
1296
1297 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1298
1299         PR target/35540
1300         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1301         predicate for operand 1.
1302         (paritysi2_cmp): Use register_operand predicate for operand 2.
1303         Use earlyclobber modifier for operand 1.  Remove support for
1304         memory operands.
1305         (paritydi2_cmp): Use register_operand predicate for operand 3.
1306         Use earlyclobber modifier for operand 1.  Remove support for
1307         memory operands.
1308
1309 2008-03-11  Paul Brook  <paul@codesourcery.com>
1310             Vladimir Prus  <vladimir@codesourcery.com>
1311
1312         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1313         (arm_compute_save_reg0_reg12_mask): Always
1314         check if register 11 must be saved.  Always safe hard frame pointer
1315         when frame_pointer_needeed.
1316         (arm_compute_save_reg_mask): Save IP and PC
1317         only with apcs frames.
1318         (arm_output_epilogue): Adjust Thumb2 codepath to
1319         be also invoked and work for ARM non-apcs frames.
1320         (arm_expand_prologue): Don't bother saving IP
1321         for non-apcs frame, since it's not clobbered by
1322         prologue code.  Implement non-apcs frame
1323         layout.
1324
1325 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1326
1327         PR rtl-optimization/35281
1328         * expr.c (convert_move): Use a new pseudo for the intermediate
1329         from_mode->word_mode result.
1330
1331 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1332
1333         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1334         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1335         * toplev.c (compile_file): Don't call it.
1336
1337 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1338
1339         PR middle-end/35526
1340         * expr.c (store_expr): Call emit_block_move if the mode
1341         of "temp" RTX is BLKmode.
1342
1343 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1344             Richard Guenther  <rguenther@suse.de>
1345
1346         PR tree-optimization/31358
1347         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1348         the step with a NULL_TREE.
1349         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1350         to sizetype if type is a pointer type.
1351         (add_candidate_1): Don't convert the base and step to
1352         the generic type if the orginal type is a pointer type.
1353         (add_iv_value_candidates): Use sizetype for the step
1354         if type is a pointer type.
1355         (cand_value_at): Likewise.
1356         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1357         for pointer types.
1358         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1359         Don't convert the tem affine to the type.
1360         (add_elt_to_tree): Use sizetype for the step if a pointer.
1361         Use POINTER_PLUS_EXPR for pointers.
1362         (aff_combination_to_tree): Use sizetype for the step if a
1363         pointer.
1364
1365 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1366
1367         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1368         Remove commutativity hint.
1369
1370 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1371
1372         PR c/35438
1373         PR c/35439
1374         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1375         errorneous type.  Check that v is a VAR_DECL.
1376
1377         PR middle-end/35099
1378         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1379
1380 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1381
1382         PR tree-optimization/35494
1383         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1384         may be overriden at link and run time.
1385
1386 2008-03-10  Richard Guenther  <rguenther@suse.de>
1387
1388         PR tree-optimization/34677
1389         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1390         (poolify_tree): Likewise.
1391         (modify_expr_template): Likewise.
1392         (poolify_modify_stmt): Likewise.
1393         (insert_fake_stores): Handle all component-ref style stores
1394         in addition to INDIRECT_REF.  Also handle complex types.
1395         Do not poolify the inserted load.
1396         (realify_fake_stores): Do not rebuild the tree but only
1397         make it a SSA_NAME copy.
1398         (init_pre): Remove initialzation of modify_expr_template.
1399         Do not allocate modify_expr_node_pool.
1400         (fini_pre): Do not free modify_expr_node_pool.
1401
1402 2008-03-10  Paul Brook  <paul@codesourcery.com>
1403
1404         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1405         to avoid conflicts.
1406
1407 2008-03-10  Paul Brook  <paul@codesourcery.com>
1408             Mark Shinwell  <shinwell@codesourcery.com>
1409
1410         * config/arm/cortex-r4.md: New.
1411         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1412         insn attributes.
1413         * config/arm/arm.md: Include cortex-r4.md.
1414         (insn): Add smmls, sdiv and udiv values.
1415         (generic_sched): Don't use generic scheduling for Cortex-R4.
1416         (arm_issue_rate): New function.
1417         (TARGET_SCHED_ISSUE_RATE): Define.
1418
1419 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1422
1423 2008-03-10  Richard Guenther  <rguenther@suse.de>
1424
1425         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1426         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1427
1428 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1429
1430         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1431         Set default to true.
1432
1433 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1434
1435         * c.opt (Wsynth): Deprecate.
1436         * doc/invoke.texi (Option Summary, Warning Options): Document
1437         -Wno-format-contains-nul.
1438
1439 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         PR target/35496
1442         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1443         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1444
1445 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1446
1447         * config/rs6000/rs6000.c (builtin_description): Rename vector
1448         left shift operations.
1449         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1450         (altivec_vsl<VI_char>): Rename to ...
1451         (ashl<mode>3): ... new name.
1452         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1453         gen_ashlv4si3.
1454         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1455
1456 2008-03-08  Richard Guenther  <rguenther@suse.de>
1457
1458         * coverage.h (tree_coverage_counter_addr): Declare.
1459         * coverage.c (tree_coverage_counter_addr): New function.
1460         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1461         before using again.
1462         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1463         (tree_gen_one_value_profiler): Likewise.
1464         (tree_gen_ic_profiler): Likewise.
1465         (tree_gen_average_profiler): Likewise.
1466         (tree_gen_ior_profiler): Likewise.
1467
1468 2008-03-08  Richard Guenther  <rguenther@suse.de>
1469
1470         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1471         (vn_binary_op_insert): Likewise.
1472         (vn_unary_op_lookup): Likewise.
1473         (vn_unary_op_insert): Likewise.
1474         (vn_nary_op_lookup): Declare.
1475         (vn_nary_op_insert): Likewise.
1476         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1477         and binary hashes, use a single obstack for unary_op_pool
1478         and binary_op_pool.
1479         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1480         a single struct vn_nary_op_s.  Store tree code length and
1481         a variable number of operands.
1482         (struct vn_reference_op_struct): Remove unused op2.
1483         (vn_reference_op_eq): Do not compare op2.
1484         (vn_reference_op_compute_hash): Do not compute hash of op2.
1485         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1486         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1487         with vn_nary_op_compute_hash.
1488         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1489         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1490         vn_nary_op_lookup.
1491         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1492         vn_nary_op_insert.
1493         (visit_unary_op): Call nary functions.
1494         (visit_binary_op): Likewise.
1495         (process_scc): Adjust for struct vn_tables_s changes.
1496         (allocate_vn_table): Likewise.
1497         (free_vn_table): Likewise.
1498         * tree-vn.c (vn_add): Call nary functions.
1499         (vn_lookup): Likewise.
1500
1501 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1502
1503         PR target/35498
1504         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1505         wdst back after sync_compare_and_swapqhi_internal.
1506
1507 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1508
1509         PR target/22152
1510         * config/i386/i386-modes.def (V1DI): New vector mode.
1511         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1512         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1513         (MMXMODE248): Ditto.
1514         (MMXMODE): Add V1DI mode.
1515         (mmxvecsize): Change DI mode to V1DI mode.
1516         ("mov<mode>): Use MMXMODEI8 mode iterator.
1517         ("*mov<mode>_internal_rex64"): Ditto.
1518         ("*mov<mode>_internal"): Ditto.
1519         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1520         ("mmx_sub<mode>3"): Ditto.
1521         ("mmx_adddi3"): Remove insn pattern.
1522         ("mmx_subdi3"): Ditto.
1523         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1524         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1525         ("mmx_ashl<mode>3"): Ditto.
1526         ("mmx_lshrdi3"): Remove insn pattern.
1527         ("mmx_ashldi3"): Ditto.
1528         * config/i386/i386.c (classify_argument): Handle V1DImode.
1529         (function_arg_advance_32): Ditto.
1530         (function_arg_32): Ditto.
1531         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1532         mmx_addv1di3 insn pattern.
1533         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1534         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1535         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1536         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1537         Remove definitions of built-in functions.
1538         (V1DI_type_node): New node.
1539         (v1di_ftype_v1di_int): Ditto.
1540         (v1di_ftype_v1di_v1di): Ditto.
1541         (v2si_ftype_v2si_si): Ditto.
1542         (v4hi_ftype_v4hi_di): Remove node.
1543         (v2si_ftype_v2si_di): Ditto.
1544         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1545         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1546         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1547         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1548         Add new builtins using def_builtin_const.
1549         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1550         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1551         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1552         * config/i386/mmintrin.h (__v1di): New typedef.
1553         (_mm_add_si64): Cast arguments to __v1di type.
1554         (_mm_sub_si64): Ditto.
1555         (_mm_sll_pi16): Cast __count to __v4hi type.
1556         (_mm_sll_pi32): Cast __count to __v2si type.
1557         (_mm_sll_si64): Cast arguments to __v1di type.
1558         (_mm_srl_pi16): Cast __count to __v4hi type.
1559         (_mm_srl_pi32): Cast __count to __v2si type.
1560         (_mm_srl_si64): Cast arguments to __v1di type.
1561         (_mm_sra_pi16): Cast __count to __v4hi type.
1562         (_mm_sra_pi32): Cast __count to __v2si type.
1563         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1564         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1565         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1566         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1567         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1568         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1569         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1570         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1571         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1572         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1573         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1574         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1575
1576 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1577
1578         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1579
1580 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1581
1582         PR target/35373
1583         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1584         reg+const addressing for Altivec modes.  Don't generate reg+reg
1585         addressing for TFmode or TDmode quantities.
1586
1587 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1588
1589         * c-common.c (vector_types_convertible_p): Call langhook
1590         instead of comptypes.
1591
1592 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1593
1594         PR tree-opt/35402
1595         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1596         integral and scalar float variables which have a
1597         NULL DECL_INITIAL.
1598
1599 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1600
1601         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1602         dwarf_register_span hook when emitting unwind information for
1603         register-to-memory saves.
1604         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1605         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1606
1607 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1608
1609         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1610         for the same VAR_DECL.
1611
1612 2008-03-06  Tom Tromey  <tromey@redhat.com>
1613
1614         * treelang: Delete.
1615         * doc/standards.texi (Standards): Don't mention treelang.
1616         * doc/invoke.texi (Overall Options): Don't mention treelang.
1617         * doc/install.texi (Prerequisites): Don't mention bison or
1618         treelang.
1619         (Configuration): Don't mention treelang.
1620         (Building): Likewise.
1621         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1622
1623 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1624
1625         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1626         word-extractions out of a multi-word object.
1627
1628 2008-03-06  Richard Guenther  <rguenther@suse.de>
1629
1630         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1631         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1632         result type and precision.
1633         * expr.c (get_inner_reference): Set unsignedp based on the result
1634         type of BIT_FIELD_REF.
1635         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1636         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1637         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1638         for BIT_FIELD_REF.
1639         (sra_build_assignment): Likewise.
1640         (sra_build_elt_assignment): Likewise.
1641         (sra_explode_bitfield_assignment): Likewise.
1642         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1643         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1644         set BIT_FIELD_REF_UNSIGNED.
1645         (vectorizable_load): Likewise.
1646
1647 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1648
1649         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1650         at bb start.
1651
1652 2008-03-06  Richard Guenther  <rguenther@suse.de>
1653
1654         * alias.c (struct alias_set_entry): Move has_zero_child field
1655         to pack with alias_set.
1656
1657 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1658
1659         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1660         32bit host.
1661
1662 2008-03-05  Ian Lance Taylor  <iant@google.com>
1663
1664         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1665
1666 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1667
1668         * fwprop.c (update_df): Support width and offset parameters of
1669         df_ref_create.
1670         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1671         global_conflicts): Change DF_REF_EXTRACT to either
1672         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1673         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1674         * df-scan.c (df_ref_record, df_defs_record,
1675         df_ref_create_structure, df_def_record_1, df_uses_record,
1676         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1677         df_bb_refs_collect, df_entry_block_defs_collect,
1678         df_exit_block_uses_collect): Support new width and offset fields.
1679         (ref_extract_pool): New storage pool.
1680         (df_free_ref): New function.
1681         (df_reg_chain_unlink, df_free_collection_rec,
1682         df_sort_and_compress_refs): Call df_free_ref.
1683         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1684         of df_ref_extract.
1685         (df_ref_create_structure): Allocate df_ref_extract if offset and
1686         width fields are used.
1687         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1688         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1689         and SIGN_EXTRACT.
1690         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1691         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1692         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1693         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1694         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1695         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1696         (df_ref_extract): New structure.
1697         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1698         (df_ref_create): Add width and offset parameters.
1699         
1700 2008-03-05  Richard Guenther  <rguenther@suse.de>
1701
1702         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1703         Use ranges_overlap_p.
1704         (offset_overlaps_with_access): Rename
1705         to ranges_overlap_p and move ...
1706         * tree-flow-inline.h (ranges_overlap_p): ... here.
1707
1708         * tree.h (get_inner_reference, handled_component_p): Update
1709         comments.
1710
1711         * tree.h (record_component_aliases, get_alias_set,
1712         alias_sets_conflict_p, alias_sets_must_conflict_p,
1713         objects_must_conflict_p): Move declarations ...
1714         * alias.h (record_component_aliases, get_alias_set,
1715         alias_sets_conflict_p, alias_sets_must_conflict_p,
1716         objects_must_conflict_p): ... here.
1717         Include coretypes.h.
1718         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1719
1720 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1721
1722         * cfg.c: Include tree-flow.h.
1723         (remove_edge_raw): Call redirect_edge_var_map_clear.
1724         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1725         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1726         (redirect_edge_var_map_result): New.
1727         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1728         PENDING_STMT use with redirect_edge_var_map_*.
1729         * tree-ssa.c (edge_var_maps): New definition.
1730         (redirect_edge_var_map_add): New.
1731         (redirect_edge_var_map_clear): New.
1732         (redirect_edge_var_map_dup): New.
1733         (redirect_edge_var_map_vector): New.
1734         (redirect_edge_var_map_destroy): New.
1735         (ssa_redirect_edge): Replace PENDING_STMT use with
1736         redirect_edge_var_map_*.
1737         (flush_pending_stmts): Same.
1738         (delete_tree_ssa): Destroy edge var map.
1739         * tree-flow.h (struct _edge_var_map): New.
1740         Define edge_var_map vector type.
1741         Declare redirect_edge_var_map_* prototypes.
1742         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1743         * tree-cfg.c (reinstall_phi_args): Replace
1744         PENDING_STMT use with redirect_edge_var_map_*.
1745
1746 2008-03-05  Richard Guenther  <rguenther@suse.de>
1747
1748         PR tree-optimization/35472
1749         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1750         whose single use_stmt has a overlapping set of loaded and
1751         stored symbols as that use_stmt might be a noop assignment then.
1752
1753 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1754
1755         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1756
1757 2008-03-05  Richard Guenther  <rguenther@suse.de>
1758
1759         PR c++/35336
1760         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1761         should be constants.
1762         * tree-cfg.c (verify_expr): Verify it.
1763         * fold-const.c (fold_truthop): Remove code generating
1764         BIT_FIELD_REFs of structure bases.
1765         (fold_binary): Likewise.
1766         (fold_ternary): Position and size of BIT_FIELD_REFs are
1767         always host integers.
1768         (make_bit_field_ref): Remove.
1769         (optimize_bit_field_compare): Remove.
1770         (all_ones_mask_p): Remove.
1771
1772 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1773
1774         PR gcc/33009
1775         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1776         (split_block_and_df_analyze): New. Split basic block and rebuild
1777         dataflow.
1778         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1779         SPLIT_BLOCK.
1780         (split_pattern_seq): Likewise.
1781         (erase_matching_seqs): Likewise.
1782         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1783
1784 2008-03-04  Geoff Keating  <geoffk@apple.com>
1785
1786         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1787         declaration and code.
1788         (tree_invalid_nonnegative_warnv_p): Likewise.
1789
1790 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1791
1792         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1793         examples.  Truncate option-names then causing overfull hbox.
1794
1795 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1796
1797         PR target/35222
1798         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1799         on hpux10.
1800         * configure: Rebuilt.
1801
1802 2008-03-04  Rafael Espindola  <espindola@google.com>
1803
1804         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1805         (tree_unary_nonnegative_warnv_p): New.
1806         (tree_binary_nonnegative_warnv_p): New.
1807         (tree_single_nonnegative_warnv_p): New.
1808         (tree_invalid_nonnegative_warnv_p): New.
1809         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1810
1811 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1812
1813         PR 28322
1814         * opts.c (handle_option): Postpone 'unknown option' errors only for
1815         warning options.
1816
1817 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1818
1819         PR target/35453
1820         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1821         (_SIDD_XXX): This.
1822
1823 2008-03-04  Rafael Espindola  <espindola@google.com>
1824
1825         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1826         (tree_binary_nonzero_warnv_p): New.
1827         (tree_single_nonzero_warnv_p): New.
1828         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1829
1830 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1831
1832         PR middle-end/35456
1833         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1834         transformations for modes that have signed zeros.
1835         * ifcvt.c (noce_try_abs): Ditto.
1836
1837 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1838
1839         * config/i386/i386.c (override_options): Force
1840         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1841
1842 2008-03-04  Jan Hubicka  <jh@suse.cz>
1843
1844         PR c++/35262
1845         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1846         in last commit.
1847
1848 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1849
1850         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1851         label to probe the stack.
1852
1853 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1854
1855         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1856         (__gthr_win32_mutex_destroy): Declare.
1857         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1858         __gthr_win32_mutex_destroy.
1859         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1860
1861 2008-03-03  Jan Hubicka  <jh@suse.cz>
1862
1863         PR c++/35262
1864         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1865         aggressive on inlining cold calls.
1866
1867 2008-03-03  Richard Guenther  <rguenther@suse.de>
1868
1869         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1870         struct copies into the expression table.
1871         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1872         (try_to_simplify): Likewise.
1873         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1874         integral and pointer arguments which do not change the
1875         precision to NOP_EXPRs.
1876         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1877         VIEW_CONVERT_EXPR case.
1878
1879 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1880
1881         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1882         defined in a loop at depth 0 is invariant.
1883         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1884         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1885         be called at loop depth 0.
1886
1887 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1888
1889         PR driver/35420
1890         * gcc.c (process_command): Update copyright notice dates.
1891         * gcov.c (print_version): Likewise.
1892         * gcov-dump.c (print_version): Likewise.
1893         * mips-tfile.c (main): Likewise.
1894         * mips-tdump.c (main): Likewise.
1895
1896 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1897
1898         PR 24924
1899         * c-common.c (flag_permissive): Delete.
1900         (constant_expression_warnings): Check flags first.
1901         (constant_expression_error): New.
1902         * c-common.h (flag_permissive): Delete.
1903         (constant_expression_error): Declare.
1904         * flags.h (flag_permissive): Declare. Update description.
1905         * diagnostic.c (pedwarn): Update.
1906         (permerror): New.
1907         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1908         (permissive_error_kind): New.
1909         * toplev.c (flag_permissive): Define. Update description.
1910         * toplev.h (permissive_error_kind): Declare.
1911         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1912         (pedwarn_c90): Use pedantic_warning_kind.
1913         * c-opts.c (c_common_post_options): flag_permissive does not affect
1914         flag_pedantic_errors.
1915
1916 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1917
1918         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1919         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1920         __absvsi2, __absvDI2): Use unsigned arithmetic.
1921
1922 2008-03-02  Andi Kleen  <ak@suse.de>
1923             Richard Guenther  <rguenther@suse.de>
1924
1925         * struct-equiv.c: Remove file.
1926         * cfg_cleanup.c (condjump_equiv_p): Remove.
1927         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1928         (struct-equiv.o): Remove rule.
1929         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1930         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1931         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1932
1933 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1934
1935         * ifcvt.c (noce_process_if_block): Try to handle only the then
1936         block if the else block exists but isn't suitable.
1937
1938 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1939
1940         PR gcc/35063
1941         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1942         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1943         regression from previous patch.
1944
1945 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1946
1947         PR gcc/35063
1948         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1949         implemented.
1950         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1951         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1952         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1953         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1954         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1955         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1956         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1957         (__gthread_mutex_destroy_function): Rename to
1958         __gthread_mutex_destroy.
1959         * gthr-dce.h (__gthread_mutex_destroy): Call
1960         pthread_mutex_destroy.
1961         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1962         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1963         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1964
1965 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1966
1967         * df-scan.c (df_ref_chain_change_bb): Simplify.
1968         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1969         set_block_for_insn if there's any change.
1970         * df.h ((df_insn_change_bb): Fix prototype.
1971         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1972         df_insn_change_bb, don't call set_block_for_insn.
1973         * emit-rtl.c (reorder_insns): Likewise.
1974         * haifa-sched.c (move_insn): Likewise.
1975
1976 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1977
1978         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1979
1980 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1981
1982         * tree-flow-inline.h (next_readonly_imm_use): Return
1983         NULL_USE_OPERAND_P after the end.
1984
1985 2008-03-01  Richard Guenther  <rguenther@suse.de>
1986
1987         PR tree-optimization/35411
1988         * tree-sra.c (sra_build_assignment): Split conversion to
1989         final type to a separate statement if we are not assigning
1990         to a register.
1991
1992 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1993
1994         * fold-const.c (fold_convertible_p): Correct the logic to follow
1995         that in fold_convert().
1996
1997 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1998
1999         PR c++/35315
2000         * tree-inline.c (build_duplicate_type): When we make a
2001         duplicate type, make it unique in the canonical types system.
2002
2003 2008-02-29  Tom Tromey  <tromey@redhat.com>
2004
2005         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2006         input_file_stack_history, input_file_stack_restored): Remove.
2007         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2008         * input.h (struct file_stack): Remove.
2009         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2010         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2011         Likewise.
2012         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2013         type.
2014         (diagnostic_last_module_changed): Add 'map' argument.
2015         (diagnostic_set_last_function): Likewise.
2016         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2017         line map, not input_file_stack.
2018         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2019
2020 2008-02-29  Paul Brook  <paul@codesourcery.com>
2021
2022         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2023
2024 2008-02-29  Paul Brook  <paul@codesourcery.com>
2025
2026         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2027
2028 2008-02-29  Richard Guenther  <rguenther@suse.de>
2029
2030         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2031         vn_lookup_or_add.
2032         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2033         value for comparing for a store match.
2034         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2035         (try_to_simplify): Do not do a full-blown reference lookup.
2036
2037 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2038
2039         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2040         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2041
2042         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2043
2044 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2047         strides against cache sizes.
2048
2049 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2050
2051         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2052         constant to fpul.
2053
2054 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2055
2056         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2057         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2058         is smaller than the original promoted value.
2059         (simplify_subreg): If OP is a SUBREG, try to preserve its
2060         SUBREG_PROMOTED_VAR_P information.
2061
2062 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2063
2064         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2065         (VN_INFO_GET): Allocate new objects on the obstack.
2066         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2067         for rpo_numbers_temp, for consistency.
2068         (free_scc_vn): Free the obstack.
2069
2070 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2071
2072         * doc/invoke.texi: Document -ftree-loop-distribution.
2073         * tree-loop-distribution.c: New.
2074         * tree-pass.h (pass_loop_distribution): New.
2075         * graphds.h (struct graph): Add htab_t indices.
2076         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2077         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2078         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2079         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2080         * tree-data-ref.c (debug_data_dependence_relations): New.
2081         (dump_data_dependence_relation): Also print data references.
2082         (free_data_ref): Extern.
2083         (same_access_functions): Moved...
2084         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2085         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2086         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2087         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2088         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2089         (stmts_from_loop): Skip LABEL_EXPR.
2090         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2091         New.
2092         (build_rdg): Initialize rdg->indices htab.
2093         (free_rdg, stores_from_loop, ref_base_address,
2094         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2095         have_similar_memory_accesses_1, ref_base_address_1,
2096         remove_similar_memory_refs): New.
2097         * tree-data-ref.h: Depend on tree-chrec.h.
2098         (debug_data_dependence_relations, free_data_ref): Declared.
2099         (same_access_functions): ... here.
2100         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2101         New.
2102         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2103         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2104         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2105         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2106         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2107         rdg_vertex_for_stmt): Declared.
2108         (struct rdg_edge): Add level.
2109         (RDGE_LEVEL): New.
2110         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2111         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2112         Declared.
2113         (rdg_has_similar_memory_accesses): New.
2114         * tree-vect-analyze.c: Remove unused static decls.
2115         * lambda.h (dependence_level): New.
2116         * common.opt (ftree-loop-distribution): New.
2117         * tree-flow.h (mark_virtual_ops_in_bb, 
2118         slpeel_tree_duplicate_loop_to_edge_cfg,
2119         rename_variables_in_loop): Declared.
2120         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2121         (OBJS-common): Add tree-loop-distribution.o.
2122         (tree-loop-distribution.o): New rule.
2123         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2124         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2125         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2126
2127 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2128
2129         PR target/33963
2130         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2131         other than structures and unions.
2132
2133 2008-02-28  Richard Guenther  <rguenther@suse.de>
2134
2135         Revert:
2136         2008-02-26  Richard Guenther  <rguenther@suse.de>
2137
2138         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2139         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2140         (lookup_decl_from_uid): Declare.
2141         (remove_decl_from_map): Likewise.
2142         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2143         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2144         (decl_for_uid_map): New global hashtable mapping DECL_UID
2145         to the decl tree.
2146         (init_ttree): Allocate it.
2147         (insert_decl_to_uid_decl_map): New helper function.
2148         (make_node_stat): Insert new decls into the map.
2149         (copy_node_stat): Likewise.
2150         (lookup_decl_from_uid): New function.
2151         (remove_decl_from_map): Likewise.
2152         (print_decl_for_uid_map_statistics): New helper.
2153         (dump_tree_statistics): Call it.
2154
2155         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2156         (referenced_var_iterator): Adjust.
2157         (FOR_EACH_REFERENCED_VAR): Adjust.
2158         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2159         (num_referenced_vars): Adjust.
2160         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2161         (first_referenced_var): Remove.
2162         (end_referenced_vars_p): Likewise.
2163         (next_referenced_var): Likewise.
2164         (referenced_var_iterator_set): New helper function.
2165         * tree-dfa.c (referenced_var_lookup): Adjust.
2166         (referenced_var_check_and_insert): Likewise.
2167         (remove_referenced_var): Likewise.
2168         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2169         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2170         (verify_call_clobbering): Likewise.
2171         (verify_memory_partitions): Likewise.
2172         (init_tree_ssa): Allocate bitmap instead of hashtable for
2173         referenced_vars.
2174         (delete_tree_ssa): Adjust.
2175         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2176         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2177         (compute_tag_properties): Likewise.
2178         (set_initial_properties): Likewise.
2179         (find_partition_for): Likewise.
2180         (update_reference_counts): Likewise.
2181         (dump_may_aliases_for): Likewise.
2182         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2183         (add_call_clobber_ops): Likewise.
2184         (add_call_read_ops): Likewise.
2185         (get_asm_expr_operands): Likewise.
2186         * tree-into-ssa.c (dump_decl_set): Likewise.
2187         (update_ssa): Likewise.
2188         * tree-sra.c (scan_function): Likewise.
2189         (decide_instantiations): Likewise.
2190         (scalarize_parms): Likewise.
2191         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2192         (dsa_named_for): Likewise.
2193         * tree-ssa-structalias.c (update_alias_info): Likewise.
2194         (merge_smts_into): Likewise.
2195
2196 2008-02-27  David Daney  <ddaney@avtrex.com>
2197
2198         PR target/34409
2199         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2200         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2201         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2202         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2203         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2204
2205 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2206
2207         PR target/25477
2208         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2209         (BUILT_IN_NEXTTOWARD): Remove.
2210         (BUILT_IN_NEXTTOWARDF): Ditto.
2211         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2212         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2213
2214 2008-02-27  Tom Tromey  <tromey@redhat.com>
2215
2216         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2217         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2218
2219 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2220
2221         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2222         update the respective field on newdecl.
2223
2224 2008-02-27  Revital Eres  <eres@il.ibm.com>
2225
2226         PR rtl-optimization/34999
2227         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2228         crossing edges that ends with a call insn.
2229         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2230         call insn and clear the EDGE_CROSSING flag of the crossing edge
2231         when fixing fallthru edges.
2232
2233 2008-02-27  Richard Guenther  <rguenther@suse.de>
2234
2235         PR middle-end/35390
2236         * fold-const.c (fold_unary): Return the correct argument,
2237         converted to the result type.
2238
2239 2008-02-27  Richard Guenther  <rguenther@suse.de>
2240
2241         PR middle-end/34971
2242         * expr.c (expand_expr_real_1): Assert on rotates that operate
2243         on partial modes.
2244         * fold-const.c (fold_binary): Use the types precision, not the
2245         bitsize of the mode if folding rotate expressions.  Build rotates
2246         only for full modes.
2247
2248 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2249
2250         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2251         and CPP_PRAGMA_EOL.
2252         * c-pragma.c (pragma_ns_name): New typedef.
2253         (registered_pp_pragmas): New variable.
2254         (c_pp_lookup_pragma): New function.
2255         (c_register_pragma_1): If flag_preprocess_only, do nothing
2256         for non-expanded pragmas, for expanded ones push pragma's
2257         namespace and name into registered_pp_pragmas vector.
2258         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2259         flag_preprocess_only, don't register GCC pch_preprocess
2260         pragma if flag_preprocess_only.
2261         * c-opts.c (c_common_init): Call init_pragma even if
2262         flag_preprocess_only.
2263         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2264         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2265         cpp_register_pragma if flag_preprocess_only.
2266
2267 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2268
2269         PR c/28800
2270         * c-parser.c (c_parser_translation_unit): Warn for empty
2271         translation unit, not empty source file.
2272
2273 2008-02-26  Paul Brook  <paul@codesourcery.com>
2274
2275         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2276         operand for Thumb-2.
2277         * config/arm/arm.h (reg_class): Add CORE_REGS.
2278         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2279         (BASE_REG_CLASS): Use CORE_REGS.
2280         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2281         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2282         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2283         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2284         ARM_REGNO_OK_FOR_INDEX_P.
2285         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2286         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2287         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2288         (ldm/stm peepholes): Ditto.
2289         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2290         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2291         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2292         * config/arm/constraints.md: Enable "k" constraint on ARM.
2293
2294 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2295
2296         * config/rs6000/rs6000.c: Annotate cache line size field in all
2297         instances of struct processor_costs.
2298
2299 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2300
2301         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2302         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2303         jump_bypass): New counters.
2304         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2305         * dce.c (gate_ud_dce): Same.
2306         (gate_fast_dce): Same.
2307         * dse.c (gate_dse1): New function.
2308         (gate_dse2): New function.
2309         (gate_dse): Merge results of new gate functions.
2310         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2311         (gate_handle_jump_bypass): Add dbg_cnt.
2312         (gate_handle_gcse): Add dbg_cnt.
2313         * ifcvt.c (gate_handle_if_conversion): Same.
2314         (gate_handle_if_after_combine): Same.
2315         (gate_handle_if_after_reload): Same.
2316         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2317
2318 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2319
2320         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2321         line sizes.
2322         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2323
2324 2008-02-26  Jason Merrill  <jason@redhat.com>
2325
2326         PR c++/35315
2327         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2328         alone if it's the naming decl for the type's main variant.
2329
2330 2008-02-26  Tom Tromey  <tromey@redhat.com>
2331
2332         * system.h (USE_MAPPED_LOCATION): Poison.
2333         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2334         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2335         (make_goto_expr_edges): Likewise.
2336         (remove_bb): Likewise.
2337         (execute_warn_function_return): Likewise.
2338         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2339         location_t.
2340         * c-common.c (fname_decl): Remove old location code.
2341         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2342         location code.
2343         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2344         variant.
2345         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2346         (gen_rtx_ASM_INPUT): Likewise.
2347         (gen_rtx_ASM_INPUT_loc): Likewise.
2348         (get_rtx_asm_OPERANDS): Remove.
2349         * cfglayout.c (insn_locators_alloc): Remove old location code.
2350         (set_curr_insn_source_location): Likewise.
2351         (curr_insn_locator): Likewise.
2352         * print-tree.c (print_node): Remove old location code.
2353         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2354         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2355         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2356         location_from_locus.
2357         (construct_exit_block): Remove old location code.
2358         * emit-rtl.c (force_next_line_note): Remove old location code.
2359         * profile.c (branch_prob): Remove old location code.
2360         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2361         LOC_LINE): Remove old-location variants.
2362         * langhooks.c (lhd_print_error_function): Remove old location
2363         code.
2364         * configure, config.in: Rebuilt.
2365         * configure.ac (--enable-mapped-location): Remove.
2366         * c-decl.c (c_init_decl_processing): Remove old location code.
2367         (finish_function): Likewise.
2368         * recog.c (decode_asm_operands): Remove old location code.
2369         * c-pch.c (c_common_read_pch): Remove old location code.
2370         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2371         variants.
2372         * gimple-low.c (lower_function_body): Remove old location code.
2373         * toplev.c (unknown_location): Remove.
2374         (push_srcloc): Remove old-location variant.
2375         (process_options): Remove old location code.
2376         (lang_dependent_init): Likewise.
2377         * input.h (UNKNOWN_LOCATION): Move definition.
2378         (location_t): Undeprecate.
2379         (source_locus): Remove.
2380         (location_from_locus): Remove.
2381         (struct location_s): Remove.
2382         Remove all old-location code.
2383         (input_line, input_filename): Remove.
2384         * final.c (final_scan_insn): Remove old location code.
2385         * diagnostic.c (diagnostic_build_prefix): Remove
2386         USE_MAPPED_LOCATION test.
2387         * tree.h (gimple_stmt) <locus>: Now a location_t.
2388         (tree_exp) <locus>: Likewise.
2389         (DECL_IS_BUILTIN): Remove old-location variant.
2390         (annotate_with_file_line, annotate_with_locus): Likewise.
2391         (expr_locus, set_expr_locus): Update.
2392         * tree.c (build1_stat): Remove old location code.
2393         (last_annotated_node): Remove.
2394         (annotate_with_file_line): Remove old-location variant.
2395         (annotate_with_locus): Likewise.
2396         (expr_location): Remove old location code.
2397         (set_expr_location): Likewise.
2398         (expr_has_location): Likewise.
2399         (expr_locus): Likewise.
2400         (set_expr_locus): Likewise.
2401         (expr_filename): Don't use location_from_locus.
2402         (expr_lineno): Likewise.
2403         * rtl-error.c (location_for_asm): Remove old location code.
2404         * c-lex.c (cb_line_change): Remove old location code.
2405         (fe_file_change): Likewise.
2406         (cb_def_pragma): Likewise.
2407         (c_lex_with_flags): Likewise.
2408         * gengtype.c (do_typedef): Don't special-case location types.
2409         (define_location_structures): Remove.
2410         (main): Don't call define_location_structures.
2411         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2412         code.
2413
2414 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2415
2416         PR 26264
2417         * builtins.def (BUILT_IN_STDARG_START): Remove.
2418         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2419         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2420         * tree-inline.c (inline_forbidden_p_1): Likewise.
2421         
2422 2008-02-26  Richard Guenther  <rguenther@suse.de>
2423
2424         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2425         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2426         (lookup_decl_from_uid): Declare.
2427         (remove_decl_from_map): Likewise.
2428         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2429         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2430         (decl_for_uid_map): New global hashtable mapping DECL_UID
2431         to the decl tree.
2432         (init_ttree): Allocate it.
2433         (insert_decl_to_uid_decl_map): New helper function.
2434         (make_node_stat): Insert new decls into the map.
2435         (copy_node_stat): Likewise.
2436         (lookup_decl_from_uid): New function.
2437         (remove_decl_from_map): Likewise.
2438         (print_decl_for_uid_map_statistics): New helper.
2439         (dump_tree_statistics): Call it.
2440
2441         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2442         (referenced_var_iterator): Adjust.
2443         (FOR_EACH_REFERENCED_VAR): Adjust.
2444         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2445         (num_referenced_vars): Adjust.
2446         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2447         (first_referenced_var): Remove.
2448         (end_referenced_vars_p): Likewise.
2449         (next_referenced_var): Likewise.
2450         (referenced_var_iterator_set): New helper function.
2451         * tree-dfa.c (referenced_var_lookup): Adjust.
2452         (referenced_var_check_and_insert): Likewise.
2453         (remove_referenced_var): Likewise.
2454         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2455         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2456         (verify_call_clobbering): Likewise.
2457         (verify_memory_partitions): Likewise.
2458         (init_tree_ssa): Allocate bitmap instead of hashtable for
2459         referenced_vars.
2460         (delete_tree_ssa): Adjust.
2461         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2462         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2463         (compute_tag_properties): Likewise.
2464         (set_initial_properties): Likewise.
2465         (find_partition_for): Likewise.
2466         (update_reference_counts): Likewise.
2467         (dump_may_aliases_for): Likewise.
2468         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2469         (add_call_clobber_ops): Likewise.
2470         (add_call_read_ops): Likewise.
2471         (get_asm_expr_operands): Likewise.
2472         * tree-into-ssa.c (dump_decl_set): Likewise.
2473         (update_ssa): Likewise.
2474         * tree-sra.c (scan_function): Likewise.
2475         (decide_instantiations): Likewise.
2476         (scalarize_parms): Likewise.
2477         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2478         (dsa_named_for): Likewise.
2479         * tree-ssa-structalias.c (update_alias_info): Likewise.
2480         (merge_smts_into): Likewise.
2481
2482 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2483
2484         PR 34351
2485         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2486         * c-opts.c (c_common_handle_option): Wall enables
2487         Wvolatile-register-var.
2488         * common.opt: Move Wvolatile-register-var to...
2489         * c.opt: ...here.
2490         
2491 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2492
2493         * common.opt (Wlarger-than=): New.
2494         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2495         -Wlarger-than=.
2496         * opts.c (common_handle_option): Handle -Wlarger-than=.
2497         * optc-gen.awk: Likewise.
2498         * opth-gen.awk: Likewise.
2499         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2500         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2501         
2502 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2503
2504         * c-common.c (match_case_to_enum_1): Add appropriate
2505         OPT_W* parameter to warning.
2506         (c_do_switch_warnings): Likewise.
2507         * c-typeck.c (warning_init): Add one more parameter following
2508         'warning' function.
2509         (push_init_level): Update call to warning_init.
2510         (pop_init_level): Likewise.
2511         (add_pending_init): Likewise.
2512         (output_init_element: Likewise.
2513
2514 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2515
2516         PR 28322
2517         * toplev.c (toplev_main): If there are warnings or error, print
2518         errors for ignored options.
2519         * opts.c (ignored_options): New static variable.
2520         (postpone_unknown_option_error): New.
2521         (print_ignored_options): New.
2522         (handle_option): Postpone errors for unknown -Wno-* options.
2523         * opts.h (print_ignored_options): Declare.
2524         
2525 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2526
2527         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2528         to "ghost".
2529
2530 2008-02-25  Richard Guenther  <rguenther@suse.de>
2531
2532         Revert:
2533         2008-02-25  Richard Guenther  <rguenther@suse.de>
2534
2535         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2536         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2537         (lookup_decl_from_uid): Declare.
2538         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2539         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2540         (decl_for_uid_map): New global hashtable mapping DECL_UID
2541         to the decl tree.
2542         (init_ttree): Allocate it.
2543         (insert_decl_to_uid_decl_map): New helper function.
2544         (make_node_stat): Insert new decls into the map.
2545         (copy_node_stat): Likewise.
2546         (lookup_decl_from_uid): New function.
2547         (print_decl_for_uid_map_statistics): New helper.
2548         (dump_tree_statistics): Call it.
2549
2550         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2551         (referenced_var_iterator): Adjust.
2552         (FOR_EACH_REFERENCED_VAR): Adjust.
2553         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2554         (num_referenced_vars): Adjust.
2555         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2556         (first_referenced_var): Remove.
2557         (end_referenced_vars_p): Likewise.
2558         (next_referenced_var): Likewise.
2559         (referenced_var_iterator_set): New helper function.
2560         * tree-dfa.c (referenced_var_lookup): Adjust.
2561         (referenced_var_check_and_insert): Likewise.
2562         (remove_referenced_var): Likewise.
2563         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2564         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2565         (verify_call_clobbering): Likewise.
2566         (verify_memory_partitions): Likewise.
2567         (init_tree_ssa): Allocate bitmap instead of hashtable for
2568         referenced_vars.
2569         (delete_tree_ssa): Adjust.
2570         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2571         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2572         (compute_tag_properties): Likewise.
2573         (set_initial_properties): Likewise.
2574         (find_partition_for): Likewise.
2575         (update_reference_counts): Likewise.
2576         (dump_may_aliases_for): Likewise.
2577         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2578         (add_call_clobber_ops): Likewise.
2579         (add_call_read_ops): Likewise.
2580         (get_asm_expr_operands): Likewise.
2581         * tree-into-ssa.c (dump_decl_set): Likewise.
2582         (update_ssa): Likewise.
2583         * tree-sra.c (scan_function): Likewise.
2584         (decide_instantiations): Likewise.
2585         (scalarize_parms): Likewise.
2586         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2587         (dsa_named_for): Likewise.
2588         * tree-ssa-structalias.c (update_alias_info): Likewise.
2589         (merge_smts_into): Likewise.
2590
2591 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2592
2593         PR fortran/29549
2594         * doc/invoke.texi (-fcx-limited-range): Document new option.
2595         * toplev.c (process_options): Handle -fcx-fortran-rules.
2596         * common.opt: Add documentation for -fcx-fortran-rules.
2597
2598 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2599
2600         PR c/35162
2601         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2602         actual behaviour and C99.
2603         
2604 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2605
2606         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2607         (ASM_CPU_POWER6_SPEC): Likewise.
2608         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2609         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2610         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2611
2612 2008-02-25  Richard Guenther  <rguenther@suse.de>
2613
2614         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2615         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2616         (lookup_decl_from_uid): Declare.
2617         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2618         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2619         (decl_for_uid_map): New global hashtable mapping DECL_UID
2620         to the decl tree.
2621         (init_ttree): Allocate it.
2622         (insert_decl_to_uid_decl_map): New helper function.
2623         (make_node_stat): Insert new decls into the map.
2624         (copy_node_stat): Likewise.
2625         (lookup_decl_from_uid): New function.
2626         (print_decl_for_uid_map_statistics): New helper.
2627         (dump_tree_statistics): Call it.
2628
2629         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2630         (referenced_var_iterator): Adjust.
2631         (FOR_EACH_REFERENCED_VAR): Adjust.
2632         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2633         (num_referenced_vars): Adjust.
2634         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2635         (first_referenced_var): Remove.
2636         (end_referenced_vars_p): Likewise.
2637         (next_referenced_var): Likewise.
2638         (referenced_var_iterator_set): New helper function.
2639         * tree-dfa.c (referenced_var_lookup): Adjust.
2640         (referenced_var_check_and_insert): Likewise.
2641         (remove_referenced_var): Likewise.
2642         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2643         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2644         (verify_call_clobbering): Likewise.
2645         (verify_memory_partitions): Likewise.
2646         (init_tree_ssa): Allocate bitmap instead of hashtable for
2647         referenced_vars.
2648         (delete_tree_ssa): Adjust.
2649         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2650         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2651         (compute_tag_properties): Likewise.
2652         (set_initial_properties): Likewise.
2653         (find_partition_for): Likewise.
2654         (update_reference_counts): Likewise.
2655         (dump_may_aliases_for): Likewise.
2656         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2657         (add_call_clobber_ops): Likewise.
2658         (add_call_read_ops): Likewise.
2659         (get_asm_expr_operands): Likewise.
2660         * tree-into-ssa.c (dump_decl_set): Likewise.
2661         (update_ssa): Likewise.
2662         * tree-sra.c (scan_function): Likewise.
2663         (decide_instantiations): Likewise.
2664         (scalarize_parms): Likewise.
2665         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2666         (dsa_named_for): Likewise.
2667         * tree-ssa-structalias.c (update_alias_info): Likewise.
2668         (merge_smts_into): Likewise.
2669
2670 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2671
2672         PR target/35258
2673         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2674         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2675         * alias.h (nonoverlapping_memrefs_p): Likewise.
2676
2677 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2678
2679         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2680         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2681         __emultls_get_address, __emultls_register_common,
2682         __floatundi?f, and _Unwind_GetIPInfo.
2683         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2684         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2685         (gen_regparm_prefix): Likewise.
2686         (i386_nlm_encode_section_info): Sync with
2687         config/i386/winnt.c:i386_pe_encode_section_info().
2688         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2689         i386_nlm_mangle_decl_assembler_name): New.
2690         (netware_override_options): New.
2691         * config/i386/netware.h (netware_override_options): Declare.
2692         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2693         (i386_nlm_mangle_decl_assembler_name): Declare.
2694         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2695
2696 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2697
2698         PR other/32948
2699         * c-decl.c (grokdeclarator): Remove unused local variables
2700         `typedef_type' and `type_as_written'.
2701         * bb-reorder.c
2702         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2703         unused local variable `has_hot_blocks'.
2704         (fix_crossing_conditional_branches): Remove unused local variable
2705         `prev_bb'.
2706         
2707 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2708
2709         PR middle-end/19984
2710         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2711         using DEF_C99_BUILTIN.
2712         (BUILT_IN_NANF): Ditto.
2713         (BUILT_IN_NANL): Ditto.
2714
2715 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2716             Revital Eres  <eres@il.ibm.com>
2717
2718         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2719         regarding the order of two dependent insns in the same row.
2720
2721 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2722
2723         * stor-layout.c (layout_decl): Do not bump the alignment of a
2724         bit-field to more than byte alignment if it is packed.
2725
2726 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2727
2728         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2729         e300c2 and e300c3.
2730
2731 2008-02-24  Diego Novillo  <dnovillo@google.com>
2732
2733         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2734
2735         PR 33738
2736         * tree-vrp.c (vrp_evaluate_conditional): With
2737         -Wtype-limits, emit a warning when comparing against a
2738         constant outside the natural range of OP0's type.
2739         * c.opt (Wtype-limits): Move ...
2740         * common.opt (Wtype-limits): ... here.
2741
2742 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2743
2744         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2745         * config/rs6000/e300c2c3.md: New file.
2746         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2747         e300c2 and e300c3.
2748         (rs6000_override_options): Add e300c2 and e300c3 cases to
2749         processor_target_table. Do not allow usage of Altivec or Spe
2750         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2751         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2752         * config/rs6000/rs6000.h (processor_type): Add
2753         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2754         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2755         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2756         and ppce300c3. Include e300c2c3.md.
2757
2758 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2759
2760         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2761         instead of TARGET_STRICT_ALIGN.
2762
2763 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2764
2765         * explow.c (memory_address): Assert that the generated address is
2766         valid.
2767
2768 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2769
2770         PR target/25477
2771         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2772         * config/darwin-ppc-ldouble-patch.def: New file.
2773         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2774         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2775         SUBTARGET_INIT_BUILTINS if defined.
2776         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2777         New functions.
2778
2779 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2780
2781         PR rtl-opt/33512
2782         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2783         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2784
2785 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2786
2787         PR pch/35027
2788         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2789         file" warning condtional on -Winvalid-PCH.
2790
2791 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2792
2793         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2794
2795 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2796
2797         PR target/22076
2798         PR target/34256 
2799         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2800         prevent reload from using MMX registers.
2801         (*mov<mode>_internal): Ditto.
2802         (*movv2sf_internal_rex64): Ditto.
2803         (*movv2sf_internal): Ditto.
2804
2805 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2806
2807         PR documentation/31569
2808         * doc/install.texi2html: Use makeinfo --no-number-sections.
2809
2810 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2811
2812         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2813         ensure that we can address an entire entity > 8 bytes.  Don't
2814         generate reg+reg addressing for such data.
2815
2816 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2817
2818         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2819         strings when optimizing for size, unless the target cares about
2820         alignment.
2821
2822 2008-02-22  Tom Tromey  <tromey@redhat.com>
2823
2824         * regclass.c (current_pass): Remove declaration.
2825
2826 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2827
2828         * config/avr/libgcc.S (__RAMPZ__): Define.
2829         (__do_copy_data): Add for devices with 128KB code memory.
2830
2831 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2832
2833         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2834         Use spe_abi.
2835         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2836
2837 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2838
2839         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2840         GENNONACR_REGS.
2841
2842 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2843
2844         PR c/19999
2845         * c-typeck.c (build_binary_op): Warn about floating point
2846         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2847
2848 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2849
2850         PR target/34526
2851         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2852         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2853         add vrsave.
2854         (rs6000_override_options): Set altivec_abi as default, not override,
2855         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2856         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2857         is used; use new member spe_abi.
2858         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2859         spe_abi and altivec_abi.
2860
2861 2008-02-22  Tomas Bily  <tbily@suse.cz>
2862
2863         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2864
2865 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2866
2867         PR bootstrap/35273
2868         * config.build (build_file_translate): Set to `CMD //c' only if
2869         it works.
2870         * Makefile.in (build_file_translate): Improve comment.
2871
2872 2008-02-21  Jan Hubicka  <jh@suse.cz>
2873
2874         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2875         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2876         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2877
2878 2008-02-21  Michael Matz  <matz@suse.de>
2879
2880         PR target/35264
2881         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2882
2883 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2884
2885         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2886         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2887         as insn constraint.
2888         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2889         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2890         SSE_VEC_FLOAT_MODE_P as insn constraint.
2891         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2892         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2893         sse4a_movntdf using MODEF mode iterator.
2894         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2895         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2896         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2897         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2898         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2899         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2900         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2901
2902 2008-02-21  Richard Guenther  <rguenther@suse.de>
2903
2904         * tree.def (PAREN_EXPR): New tree code.
2905         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2906         and PAREN_EXPR.
2907         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2908         * expr.c (expand_expr_real_1): Likewise.
2909         * tree-inline.c (estimate_num_insns_1): Likewise.
2910         * tree-complex.c (expand_complex_move): Likewise.
2911         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2912         as plain x.
2913
2914 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2915
2916         PR target/35225
2917         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2918
2919 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2920
2921         PR target/35190
2922         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2923
2924         * config/sh/sh.c (find_barrier): Don't go past
2925         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2926
2927 2008-02-20  DJ Delorie  <dj@redhat.com>
2928
2929         * config/h8300/h8300.md (insv): Force source operand to be a register.
2930
2931         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2932         as a jump, not as a plain insn.
2933         
2934 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2935
2936         * doc/invoke.texi (Warning Options): Add new option
2937         -Wframe-larger-than=.
2938         (-Wframe-larger-than): Document.
2939
2940         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2941         Add declarations for new option variables.
2942
2943         * final.c (final_start_function): Check the frame size
2944         before emission and issue a Wframe-larger-than warning.
2945
2946         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2947         Add definitions for new option variables.
2948         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2949
2950         * common.opt (Wframe-larger-than=): New option.
2951
2952 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2953
2954         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2955         (<sse>_div<mode>3): Ditto.
2956         (<sse>_vmdiv<mode>3): Ditto.
2957         (<sse>_vmsqrt<mode>2): Ditto.
2958         (*smax<mode>3): Ditto.
2959         (sse5_frcz<mode>2): Ditto.
2960         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2961         as insn constraint.
2962
2963 2008-02-20  Richard Guenther  <rguenther@suse.de>
2964
2965         PR middle-end/35265
2966         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2967         be happy with INTEGRAL_TYPE_P.
2968
2969 2008-02-20  Richard Guenther  <rguenther@suse.de>
2970
2971         * fold-const.c (split_tree): Associate floatig-point expressions
2972         if flag_associative_math is set.
2973
2974 2008-02-20  Richard Guenther  <rguenther@suse.de>
2975
2976         * tree.h (fold_real_zero_addition_p): Declare.
2977         * fold-const.c (fold_real_zero_addition_p): Export.
2978         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2979         floating-point operations with zero and one.
2980
2981 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2982
2983         * doc/install.texi: Correct references to CFLAGS, replacing them
2984         with BOOT_CFLAGS.  Document flags used during bootstrap for
2985         target libraries.
2986                                 
2987 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2988
2989         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2990         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2991         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2992         insn constraint.
2993         (smin<mode>3): Ditto from similar patterns.
2994         (smax<mode>3): Ditto.
2995         (*ieee_smin<mode>3): Ditto.
2996         (*ieee_smax<mode>3): Ditto.
2997         * config/i386/sse.md (sse): New mode attribute.
2998         (mov<mode>): Macroize expander from movv4sf and movv2df using
2999         SSEMODEF2P mode iterator.
3000         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3001         SSE_VEC_FLOAT_MODE_P as insn constraint.
3002         (storent<mode>): Ditto.
3003         (storent<mode>): Macroize expander from storentsf and storentdf using
3004         MODEF mode iterator.
3005         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3006         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3007         (abs<mode>2): Ditto from similar patterns.
3008         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3009         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3010         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3011         (<sse>_vmsqrt<mode>2): Ditto.
3012         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3013         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3014         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3015         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3016         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3017         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3018         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3019         insn constraint.
3020         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3021         iterator and SSE_FLOAT_MODE_P as insn constraint.
3022         (<sse>_ucomi): Ditto from similar patterns.
3023         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3024         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3025         SSE_VEC_FLOAT_MODE_P as insn constraint.
3026         (vcond<mode>): Ditto from similar patterns.
3027         (and<mode>3, *and<mode>3): Ditto.
3028         (<sse>_nand<mode>3): Ditto.
3029         (ior<mode>3, *ior<mode>3): Ditto.
3030         (xor<mode>3, *xor<mode>3): Ditto.
3031         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3032         iterator and SSE_FLOAT_MODE_P as insn constraint.
3033         (*nand<mode>3): Ditto from similar patterns.
3034         (*ior<mode>3): Ditto.
3035         (*xor<mode>3): Ditto.
3036
3037 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3038
3039         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3040         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3041         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3042
3043 2008-02-19  Jan Hubicka  <jh@suse.cz>
3044
3045         * predict.c (tree_bb_level_predictions): Remove variable next
3046         mistakely introduced by previous commit.
3047
3048 2008-02-19  Jan Hubicka  <jh@suse.cz>
3049
3050         * predict.c (predict_paths_leading_to): Rewrite.
3051         (predict_paths_for_bb): New.
3052         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3053
3054 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3055
3056         PR bootstrap/35218
3057         * Makefile.in (build_file_translate): New.
3058         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3059         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3060         * configure.ac (build_file_translate): Substitute it.
3061         * configure: Regenerate.
3062
3063 2008-02-19  Jan Hubicka  <jh@suse.cz>
3064
3065         PR rtl-optimization/34408
3066         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3067         invalid sharing.
3068
3069 2008-02-19  Jan Hubicka  <jh@suse.cz>
3070
3071         PR middle-end/28779
3072         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3073         call_expr.
3074
3075 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3076
3077         PR Ada/35186
3078         * config/i386/i386-modes.def: Revert the last DI alignment
3079         change until Ada people can look into it.
3080
3081 2008-02-19  Nick Clifton  <nickc@redhat.com>
3082
3083         * opts.c (print_specific_help): Fix typo in --help text.
3084
3085 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3086
3087         PR target/35239
3088         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3089         32-bit inline asm without asm alternatives for host GCC < 3.0.
3090
3091 2008-02-19  Richard Guenther  <rguenther@suse.de>
3092
3093         PR tree-optimization/34989
3094         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3095         Allow propagation to INDIRECT_REF if we can simplify only.
3096
3097 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3098
3099         * c-common.c (warn_for_collisions_1): Use appropriate option when
3100         warning.
3101
3102 2008-02-19  Nick Clifton  <nickc@redhat.com>
3103
3104         PR other/31349
3105         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3106         (handle_options): Fix indentation.
3107         (print_filtered_help): If no language-specific options were
3108         displayed tell the user how to list all the options supported by
3109         the language's front-end.
3110         (print_specific_help): Fix indentation and remove duplicate line.
3111         (common_handle_option): Handle the -v option.
3112         For --help enable the display of undocumented options if the -v
3113         switch has been included on the command line.
3114         For --help= check for overlaps in the arguments between the option
3115         classes and the language names and issue a warning when they
3116         cannot be disambiguated.
3117         * c.opt (v): Pass on to the common option handler.
3118
3119 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3120
3121         * modulo-sched.c (sms_schedule): Change dump message when
3122         create_ddg function fails.
3123         (try_scheduling_node_in_cycle): Rename row to cycle.
3124         (print_partial_schedule): Rename CYCLE to ROW.
3125
3126 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3127             Zdenek Dvorak  <ook@ucw.cz>
3128
3129         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3130
3131 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3132
3133         PR target/33555
3134         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3135         (*x86_movdicc_0_m1_se): Ditto.
3136
3137 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3138
3139         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3140         (CMPtype): Define as __gcc_CMPtype.
3141         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3142         (CMPtype): Define as __gcc_CMPtype.
3143
3144 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3145
3146         Support valgrind 3.3 for --enable-checking=valgrind.
3147         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3148         here.
3149         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3150         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3151         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3152         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3153         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3154         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3155         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3156         respectively.
3157         * ggc-zone.c: Similar.
3158         * ggc-page.c: Similar.
3159
3160 2008-02-19  Paul Brook  <paul@codesourcery.com>
3161
3162         PR target/35071
3163         * config/arm/ieee754-df.S: Fix do_it typo.
3164         * config/arm/ieee754-sf.S: Fix do_it typo.
3165
3166 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3167
3168         PR target/35189
3169         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3170         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3171         (OPTION_MASK_ISA_SSE_SET): Likewise.
3172         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3173         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3174         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3175         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3176         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3177         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3178         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3179         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3180         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3181         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3182         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3183         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3184         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3185         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3186         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3187         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3188         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3189         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3190         (OPTION_MASK_ISA_SSE4): Removed.
3191         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3192         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3193         (override_options): Don't turn on implied SSE/MMX bits in
3194         ix86_isa_flags.
3195
3196 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3197
3198         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3199         32bit host.
3200
3201 2008-02-18  Joey Ye  <joey.ye@intel.com>
3202
3203         PR middle-end/34921
3204         * tree-nested.c (insert_field_into_struct): Set type alignment
3205         to field alignment if the former is less than the latter.
3206
3207 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3208
3209         * BASE-VER: Set to 4.4.0.
3210
3211 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3212
3213         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3214         * doc/cfg.texi: Likewise.
3215         * doc/extend.texi: Likewise.
3216         * doc/gty.texi: Likewise.
3217         * doc/invoke.texi: Likewise.
3218         * doc/loop.texi: Likewise.
3219         * doc/md.texi: Likewise.
3220         * doc/passes.texi: Likewise.
3221         * doc/rtl.texi: Likewise.
3222         * doc/sourcebuild.texi: Likewise.
3223         * doc/tm.texi: Likewise.
3224         * doc/tree-ssa.texi: Likewise.
3225
3226 2008-02-17  Richard Guenther  <rguenther@suse.de>
3227
3228         PR middle-end/35227
3229         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3230         without default definition.
3231
3232 2008-02-17  Richard Guenther  <rguenther@suse.de>
3233
3234         PR tree-optimization/35231
3235         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3236         if A | B != 1.
3237
3238 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         Revert:
3241         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3242         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3243         libgcc_cmp_return mode.
3244
3245 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3246
3247         PR c/28368
3248         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3249
3250 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3251
3252         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3253         multilibs.
3254
3255 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3256
3257         * doc/c-tree.texi: Use `@.' where appropriate.
3258         * doc/extend.texi: Likewise.
3259         * doc/install.texi: Likewise.
3260         * doc/invoke.texi: Likewise.
3261         * doc/loop.texi: Likewise.
3262         * doc/makefile.texi: Likewise.
3263         * doc/md.texi: Likewise.
3264         * doc/passes.texi: Likewise.
3265         * doc/standards.texi: Likewise.
3266         * doc/tm.texi: Likewise.
3267
3268 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3269
3270         PR middle-end/35196
3271         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3272         in entry_bb.
3273         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3274         rather than in entry_bb.
3275
3276 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3277
3278         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3279         libgcc_cmp_return mode.
3280
3281 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3282
3283         PR middle-end/35130
3284         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3285         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3286
3287 2008-02-15  Richard Guenther  <rguenther@suse.de>
3288             Zdenek Dvorak  <ook@ucw.cz>
3289
3290         PR tree-optimization/35164
3291         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3292         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3293         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3294         Only propagate addresses which do not have abnormal SSA_NAMEs
3295         in their operands.
3296
3297 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3298
3299         PR target/35088
3300         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3301
3302 2008-02-15  Jan Hubicka  <jh@suse.cz>
3303
3304         PR middle-end/35149
3305         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3306
3307 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3308
3309         PR middle-end/34621
3310         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3311         when calculating alignment_pad.
3312
3313 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3314
3315         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3316         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3317         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3318         and STACK_BOUNDARY define.
3319
3320 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3321
3322         PR preprocessor/35061
3323         * c-pragma.c (handle_pragma_pop_macro): Check that
3324         pushed_macro_table has been allocated.
3325
3326 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3327
3328         PR middle-end/35136
3329         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3330         (force_gimple_operand): Likewise.
3331         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3332         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3333         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3334         (find_interesting_uses_address): Check addressability and alignment
3335         of the base expression only after substituting bases of IVs into it.
3336
3337 2008-02-14  Michael Matz  <matz@suse.de>
3338
3339         PR target/34930
3340         * function.c (instantiate_virtual_regs_in_insn): Reload address
3341         before falling back to reloading the whole operand.
3342
3343 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3344
3345         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3346         before the first section switch note.
3347
3348 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3349
3350         * doc/bugreport.texi: Update copyright years.
3351         * doc/c-tree.texi: Likewise.
3352         * doc/cfg.texi: Likewise.
3353         * doc/cpp.texi: Likewise.
3354         * doc/cppinternals.texi: Likewise.
3355         * doc/fragments.texi: Likewise.
3356         * doc/frontends.texi: Likewise.
3357         * doc/gcc.texi: Likewise.
3358         * doc/gty.texi: Likewise.
3359         * doc/hostconfig.texi: Likewise.
3360         * doc/implement-c.texi: Likewise.
3361         * doc/libgcc.texi: Likewise.
3362         * doc/loop.texi: Likewise.
3363         * doc/makefile.texi: Likewise.
3364         * doc/options.texi: Likewise.
3365         * doc/passes.texi: Likewise.
3366         * doc/rtl.texi: Likewise.
3367         * doc/sourcebuild.texi: Likewise.
3368         * doc/standards.texi: Likewise.
3369         * doc/tree-ssa.texi: Likewise.
3370         * doc/trouble.texi: Likewise.
3371
3372         * doc/extend.texi: Use @: or add comma where appropriate.
3373         * doc/invoke.texi: Likewise.
3374         * doc/tm.texi: Likewise.
3375
3376 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3377
3378         PR target/34393
3379         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3380         to a reg.
3381
3382 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3383
3384         * doc/md.texi (clz, ctz): Add reference.
3385         * doc/rtl.texi (clz, ctz): Likewise.
3386
3387 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3388
3389         PR other/35148
3390         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3391         srcdir.
3392
3393 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3394
3395         * config/s390/s390.c (struct constant_pool): New field
3396         emit_pool_after added.
3397         (s390_mainpool_start): Set the emit_pool_after flag according
3398         to the section switch notes.
3399         (s390_mainpool_finish): Consider emit_pool_after when emitting
3400         the literal pool at the end of the function.
3401         (s390_chunkify_start): Force literal pool splits at section
3402         switch notes.
3403
3404 2008-02-13  Michael Matz  <matz@suse.de>
3405
3406         PR debug/35065
3407         * var-tracking.c (clobber_variable_part): Correctly traverse the
3408         list.
3409
3410 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3411
3412         PR 29673
3413         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3414         Add -fdump-ipa-inline.
3415         * tree-dump.c (dump_files): Remove tree-inlined dump.
3416         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3417         
3418 2008-02-12  Richard Guenther  <rguenther@suse.de>
3419
3420         PR tree-optimization/35171