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2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
4
5         * config/i386/i386.c (ix86_function_arg_boundary): Check
6         BIGGEST_ALIGNMENT instead of 128.
7         (setup_incoming_varargs_64): Likewise.
8
9 2008-03-26  Tom Tromey  <tromey@redhat.com>
10
11         * Makefile.in (DEPFILES): Add missing '/'.
12
13 2008-03-26  Richard Guenther  <rguenther@suse.de>
14
15         * fold-const.c (target.h): Include.
16         (fold_comparison): Fold comparison of addresses of two decls
17         that bind locally.  Consolidate address folding code.
18
19 2008-03-26  Nick Clifton  <nickc@redhat.com>
20
21         PR target/31232
22         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
23         not allow INT+INT as a legitimate addressing mode.
24
25 2008-03-26  Richard Guenther  <rguenther@suse.de>
26
27         * tree-flow.h (widen_bitfield): Remove declaration.
28         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
29         (widen_bitfield): Remove function.
30         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
31         code.
32
33 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
34
35         PR target/31558
36         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
37         error_mark_node's.
38
39 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
40
41         PR rtl-optimization/35232
42         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
43         (forget_old_reloads_1, forget_marked_reloads): Don't clear
44         reg_reloaded_call_part_clobbered here.
45         (reload_regs_reach_end_p): New function.
46         (reload_reg_rtx_for_input): New variable.
47         (reload_reg_rtx_for_output): Likewise.
48         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
49         when reassigning a pseudo register.  Load reloadreg from 
50         reload_reg_rtx_for_input, moving the mode and register
51         calculation to...
52         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
53         instead of the original when deciding whether an input reload
54         would be a no-op or whether an output reload can be deleted.
55         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
56         when setting up new_spill_reg_store.  Load it from
57         reload_reg_rtx_for_output, moving the mode and register
58         calculation to...
59         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
60         instead of the original when deciding whether an output reload
61         would be a no-op.  Do the same when modifying insn notes.
62         Use rtx_equal_p instead of == to compare the registers.
63         (inherit_piecemeal_p): Take a mode and two register numbers
64         as argument.
65         (emit_reload_insns): Clear new_spill_reg_store for every hard
66         register in the reload register.  Remove spill registers
67         from reg_reloaded_valid before considering whether to record
68         inheritance information for them.  Use reload_reg_rtx_for_output
69         instead of reg_rtx when recording output reloads.  Use
70         reload_reg_rtx_for_input instead of reg_rtx when recording
71         input reloads.  Set or clear reg_reloaded_call_part_clobbered
72         at the same time as setting reg_reloaded_valid.
73         (delete_output_reload): Add a new_reload_reg parameter and use it
74         instead of rld[j].reg_rtx.
75         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
76         calls accordingly.
77
78 2008-03-25  Tom Tromey  <tromey@redhat.com>
79
80         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
81         (build/genattr.o): Likewise.
82         (build/genattrtab.o): Likewise.
83         (build/gencodes.o): Likewise.
84         (build/genconfig.o): Likewise.
85         (build/genconstants.o): Likewise.
86         (build/genemit.o): Likewise.
87         (build/genextract.o): Likewise.
88         (build/genflags.o): Likewise.
89
90 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
91         
92         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
93         instead of size_int for integer types.
94         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
95         to match type of MINUS_EXPR.
96         
97 2008-03-25  Tom Tromey  <tromey@redhat.com>
98
99         * configure: Rebuilt.
100         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
101         Makefile.
102
103 2008-03-25  Tom Tromey  <tromey@redhat.com>
104
105         * config/x-solaris (host-solaris.o): Update.
106         * config/x-linux (host-linux.o): Update.
107         * config/x-hpux (host-hpux.o): Update.
108         * config/x-darwin (host-darwin.o): Update.
109         * config/v850/t-v850e (v850-c.o): Update.
110         * config/v850/t-v850 (v850-c.o): Update.
111         * config/t-vxworks (vxworks.o): Update.
112         * config/t-sol2 (sol2-c.o, sol2.o): Update.
113         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
114         * config/spu/t-spu-elf (spu-c.o): Update.
115         (spu.o): Remove.
116         * config/sh/t-symbian (sh-c.o): Update.
117         (symbian.o): Update.
118         * config/sh/t-sh (sh-c.o): Update.
119         * config/score/t-score-elf (score7.o, score3.o): Update.
120         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
121         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
122         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
123         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
124         (rs6000.o): Remove.
125         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
126         * config/m32c/t-m32c (m32c-pragma.o): Update.
127         * config/ia64/t-ia64 (ia64-c.o): Update.
128         * config/i386/x-mingw32 (host-mingw32.o): Update.
129         * config/i386/x-i386 (driver-i386.o): Update.
130         * config/i386/x-darwin (host-i386-darwin.o): Update.
131         * config/i386/x-cygwin (host-cygwin.o): Update.
132         * config/i386/t-nwld (nwld.o): Update.
133         * config/i386/t-netware (netware.o): Update.
134         * config/i386/t-interix (winnt.o): Update.
135         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
136         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
137         msformat-c.o): Update.
138         * config/bfin/t-bfin-linux (generated_files): Add
139         linux-sysroot-suffix.h.
140         * config/arm/t-wince-pe (pe.o): Update.
141         * config/arm/t-strongarm-pe (pe.o): Update.
142         * config/arm/t-pe (pe.o): Update.
143         * config/arm/t-arm (arm-c.o): Update.
144         * doc/install.texi (Prerequisites): Require make 3.80.
145         * Makefile.in: Remove .o targets.
146         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
147         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
148         (simple_generated_h, simple_generated_c): Move earlier.
149         (generated_files): New variable.
150         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
151         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
152         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
153         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
154         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
155         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
156         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
157         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
158         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
159         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
160         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
161         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
162         (.c.o): Remove.
163         (COMPILE.base, COMPILE): New variables.
164         (%.o): New pattern rule.
165         (ALL_HOST_OBJS): New variable.
166         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
167         (dummy-checksum.o, cc1-checksum.o): Remove.
168         (DRIVER_SHLIB): New variable.
169         (DRIVER_DEFINES): Use it.
170         (gencondmd.c): Move out of build/.
171         (s-conditions): Update.
172         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
173         (ALL_BUILD_OBJS): Likewise.
174         (build/%.o): Use BUILDCOMPILE.
175         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
176         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
177         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
178         build/gencheck.o, build/gencodes.o, build/genconditions.o,
179         build/genconfig.o, build/genconstants.o, build/genemit.o,
180         build/genextract.o, build/genflags.o, build/genmddeps.o,
181         build/genopinit.o, build/genoutput.o, build/genpeep.o,
182         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
183         build/gen-protos.o, build/scan.o, build/fix-header.o,
184         build/scan-decls.o): Simplify.
185         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
186         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
187         prefix.o, toplev.o): Reduce to variable setting.
188         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
189         ($(out_object_file), gcc-options.o): New targets.
190         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
191         * configure: Rebuilt.
192         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
193         * doc/sourcebuild.texi (Front End Directory): Document new variable.
194
195 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
196
197         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
198         complain when we hit an error, return ERROR_MARK_NODE.
199
200 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
201
202         * config/sh/constraints.md (Pso, Psz): New constraints.
203         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
204         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
205
206 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
207
208         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
209         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
210
211 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
212
213         * config/sh/sh.md (prefetch): Add condition for SH2A target.
214         (prefetch_sh2a): New.   
215
216 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
217             Naveen.H.S  <naveen.hs@kpitcummins.com>
218
219         * config/sh/constraints.md (I28): New constraint.
220         * config/sh/sh.c (broken_move): Add support for movi20s.
221         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
222
223 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
224             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
225             Naveen.H.S  <naveen.hs@kpitcummins.com>
226
227         * config/sh/sh.c (SH_ATTRIBUTES): Define.
228         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
229         (print_operand): Handle resbank in %@ operand code.
230         (sh_encode_section_info): New.
231         (push_regs): Add conditions for resbank.
232         (sh_expand_epilogue): Likewise.
233         (sh_insert_attributes): Likewise.
234         (sh_attribute_table): Likewise.
235         (sh_handle_resbank_handler_attribute): New.
236         (sh2a_handle_function_vector_handler_attribute): New.
237         (sh2a_is_function_vector_call): New.
238         (sh2a_get_function_vector_number): New.
239         (sh2a_function_vector_p): New.
240         (sh_cfun_resbank_handler_p): New.
241         * config/sh/sh.md (calli): Emit jsr/n if possible.
242         (calli_tbr_rel): New.
243         (calli_pcrel): Emit jsr/n if possible.
244         (return_i): Emit rts/n if possible.
245         (call_valuei_tbr_rel): New.
246         (call_valuei_pcrel): Add condition for SH2A target.
247         (call_value): Likewise.
248         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
249         (sh2a_get_function_vector_number): Likewise.
250         (sh2a_is_function_vector_call): Likewise.
251         * doc/extend.texi: Document TBR relative addressing of SH2A.
252         (resbank): Add description for SH2A.
253
254 2008-03-24  Richard Guenther  <rguenther@suse.de>
255
256         PR c/22371
257         * gimplify.c (gimplify_modify_expr): For frontend type-correct
258         pointer assignments change conversions according to middle-end rules.
259         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
260         * configure.ac: Include type checking in yes.
261         * configure: Regenerate.
262
263 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
264
265         * diagnostic.c (diagnostic_count_diagnostic): Delete.
266         (diagnostic_report_diagnostic): Update. Handle ICEs here.
267         
268 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
269
270         * gthr-vxworks.h (UNUSED): Define.
271
272 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
273
274         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
275         CX_REG.
276
277 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
278
279         * doc/extend.texi (Function Attributes): Add missing comma in the
280         example of the "alloc_size" attribute.
281         
282 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
283
284         Revert:
285         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
286
287         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
288         32bit host.
289
290         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
291
292         PR target/35496
293         * stor-layout.c (update_alignment_for_field): Set minimum alignment
294         of the underlying type of a MS bitfield layout to the natural
295         alignment of the type.
296
297         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
298
299         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
300         to their natural alignment to avoid store forwarding stalls.
301
302 2008-03-22  Richard Guenther  <rguenther@suse.de>
303
304         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
305         For PHI nodes verify the address is invariant.
306         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
307         (get_symbol_constant_value): Use is_gimple_min_invariant.
308         (maybe_fold_stmt_indirect): Likewise.
309
310 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
311
312         PR rtl-optimization/33927
313         * Makefile.in (dse.o): Depend on $(TM_P_H).
314         * expr.h (extract_low_bits): Declare.
315         * expmed.c (extract_low_bits): New function.
316         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
317         * dse.c: Include tm_p.h.
318         (find_shift_sequence): Remove the read_reg argument and return the
319         read value.  Emit the instructions instead of returning them.
320         Iterate on new_mode rather than calculating it each time.
321         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
322         source to NEW_MODE and extract_low_bits to convert the shifted
323         value to READ_MODE.
324         (replace_read): Allow the load and store to have different mode
325         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
326         or extraction instructions before trying the replacement.  Update
327         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
328
329 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
330
331         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
332         to their natural alignment to avoid store forwarding stalls.
333
334 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
335
336         PR target/27946
337         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
338         encouraging but not allowing gprs for input;
339         change the input constraint to !f#r.
340         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
341         gprs for output;
342         change the output constraint to !f#r.
343
344 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
345
346         PR target/13958
347         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
348         corresponding post-reload splitters.
349         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
350         when x87 FP math is selected.
351         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
352         New function prototype.
353         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
354         unreachable function to ease macroization of insn patterns.
355
356 2008-03-21  Martin Jambor  <mjambor@suse.cz>
357
358         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
359         reference dumps if ddr is NULL or dependence is unknown.
360
361 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
362
363         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
364         unsigned extension into account.
365         (ATOMIC_COMPARE_AND_SWAP): Likewise.
366         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
367         Do computations on a scratch register.
368
369 2008-03-21  Richard Guenther  <rguenther@suse.de>
370
371         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
372         Use is_gimple_min_invariant instead of TREE_INVARIANT.
373         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
374         * tree-ssa-dom.c (record_equality): Likewise.
375         * tree-inline.c (copy_body_r): Likewise.
376         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
377         TREE_INVARIANT.
378
379 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
380
381         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
382         as 'delete_unused' argument.
383
384 2008-03-20  Richard Guenther  <rguenther@suse.de>
385
386         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
387         special casing of constant qualifiers.
388         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
389         care about them in general.
390         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
391         regardless of their type.
392         (fold_stmt_r): Forcefully fold *& if we end up with that.
393
394 2008-03-20  Paul Brook  <paul@codesourcery.com>
395
396         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
397         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
398         linker flags.
399         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
400         definition.
401         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
402         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
403
404 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
405
406         * common.opt (Wmudflap): New option.
407         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
408         (mx_register_decls): Likewise.
409         (mudflap_finish_file): Likewise.
410         * doc/invoke.texi: Document -Wno-mudflap.
411
412 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
413
414         * c-format.c (replace_format_name_to_system_name): New.
415         (cmp_attribs): New.
416         (convert_format_name_to_system_name): New.
417         (decode_format_attr): Add use of convert_format_name_to_system_name.
418         (format_types_orig): Add gnu_ prefix to names.
419         (check_format_info_main): Special treating of \0 escaped names for
420         supporting multi-character format specifiers as I32, I64.
421         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
422         (gnu_target_overrides_format_attributes): New.
423         * c-format.h: Add structure target_ovr_attr to hold
424         system specific formatter names.
425         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
426         msformat-c.o file to c_target_objs and cxx_target_objs.
427         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
428         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
429         (TARGET_N_FORMAT_TYPES): New.
430         * config/i386/msformat-c.c: New.
431         * config/i386/t-cygming: Add build rule for msformat-c.o.
432         * doc/extend.texi: Add new format names gnu_* and ms_* and
433         further details.
434         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
435
436 2008-03-20  Ira Rosen  <irar@il.ibm.com>
437
438         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
439         optimizations turned on under -O3.
440         (ftree-vectorize): Add that the flag is turned on with -O3.
441
442 2008-03-20  Ben Elliston  <bje@au.ibm.com>
443
444         * regmove.c (try_auto_increment): Fix spelling error in comment.
445         * final.c (final_scan_insn): Likewise.
446
447 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
448
449         PR target/14552
450         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
451         allocator preferences for "y" and "r" class registers.
452         ("*mov<mode>_internal"): Ditto.
453         ("*movv2sf_internal_rex64"): Ditto.
454         ("*movv2sf_internal"): Ditto.
455
456 2008-03-19  Michael Matz  <matz@suse.de>
457
458         PR middle-end/35616
459         * calls.c (expand_call): Check overlap of arguments with call
460         address for sibcalls.
461
462 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
463
464         PR target/35496
465         * stor-layout.c (update_alignment_for_field): Set minimum alignment
466         of the underlying type of a MS bitfield layout to the natural
467         alignment of the type.
468
469 2008-03-19  Jan Hubicka  <jh@suse.cz>
470
471         PR other/35094
472         * toplev.c (decode_d_option): Handle all CPP flags.
473         * tree-vrp.c: Update tree_pass descriptors.
474         * regrename.c: Update tree_pass descriptors.
475         * fwprop.c: Update tree_pass descriptors.
476         * doc/invoke.texi: Remove documentation of dropped -d? flags.
477         * tree-into-ssa.c: Update tree_pass descriptors.
478         * tree-dump.c: Update tree_pass descriptors.
479         * tree-complex.c: Update tree_pass descriptors.
480         * tree-dump.h: Update tree_pass descriptors.
481         * see.c: Update tree_pass descriptors.
482         * cgraphbuild.c: Update tree_pass descriptors.
483         * tracer.c: Update tree_pass descriptors.
484         * tree-loop-distribution.c: Update tree_pass descriptors.
485         * cgraph.c: Update tree_pass descriptors.
486         * postreload-gcse.c: Update tree_pass descriptors.
487         * postreload.c: Update tree_pass descriptors.
488         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
489         * tree-tailcall.c: Update tree_pass descriptors.
490         * tree-pass.h (tree_opt_pass): Rename to ...
491         (opt_pass) ... this one; add "type" field and remove letter field.
492         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
493         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
494         all_lowering_passes): Update declaration.
495         * ipa-cp.c: Update tree_pass descriptors.
496         * final.c: Update tree_pass descriptors.
497         * omp-low.c: Update tree_pass descriptors.
498         * tree-ssa-dse.c: Update tree_pass descriptors.
499         * ipa-reference.c: Update tree_pass descriptors.
500         * tree-ssa-uncprop.c: Update tree_pass descriptors.
501         * auto-inc-dec.c: Update tree_pass descriptors.
502         * reorg.c: Update tree_pass descriptors.
503         * cgraphunit.c: Update tree_pass descriptors.
504         * tree-ssa-copyrename.c: Update tree_pass descriptors.
505         * tree-ssa-ccp.c: Update tree_pass descriptors.
506         * df-core.c: Update tree_pass descriptors.
507         * mode-switching.c: Update tree_pass descriptors.
508         * tree-nomudflap.c: Update tree_pass descriptors.
509         * modulo-sched.c: Update tree_pass descriptors.
510         * ipa-pure-const.c: Update tree_pass descriptors.
511         * cse.c: Update tree_pass descriptors.
512         * web.c: Update tree_pass descriptors.
513         * tree-stdarg.c: Update tree_pass descriptors.
514         * tree-ssa-math-opts.c: Update tree_pass descriptors.
515         * tree-ssa-dom.c: Update tree_pass descriptors.
516         * tree-nrv.c: Update tree_pass descriptors.
517         * tree-ssa-alias.c: Update tree_pass descriptors.
518         * loop-init.c: Update tree_pass descriptors.
519         * gimple-low.c: Update tree_pass descriptors.
520         * ipa-inline.c: Update tree_pass descriptors.
521         * tree-ssa-sink.c: Update tree_pass descriptors.
522         * global.c: Update tree_pass descriptors.
523         * ifcvt.c: Update tree_pass descriptors.
524         * jump.c: Update tree_pass descriptors.
525         * predict.c: Update tree_pass descriptors.
526         * tree-ssa-loop.c: Update tree_pass descriptors.
527         * recog.c: Update tree_pass descriptors.
528         * dse.c: Update tree_pass descriptors.
529         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
530         * tree-eh.c: Update tree_pass descriptors.
531         * regmove.c: Update tree_pass descriptors.
532         * local-alloc.c
533         * function.c: Update tree_pass descriptors.
534         * tree-vectorizer.c: Update tree_pass descriptors.
535         * gcse.c: Update tree_pass descriptors.
536         * ipa-type-escape.c: Update tree_pass descriptors.
537         * tree-if-conv.c: Update tree_pass descriptors.
538         * init-regs.c: Update tree_pass descriptors.
539         * ipa.c: Update tree_pass descriptors.
540         * tree-ssa-phiopt.c: Update tree_pass descriptors.
541         * rtl-factoring.c: Update tree_pass descriptors.
542         * lower-subreg.c: Update tree_pass descriptors.
543         * bt-load.c: Update tree_pass descriptors.
544         * tree-dfa.c: Update tree_pass descriptors.
545         * except.c: Update tree_pass descriptors.
546         * emit-rtl.c: Update tree_pass descriptors.
547         * cfgexpand.c: Update tree_pass descriptors.
548         * tree-cfgcleanup.c: Update tree_pass descriptors.
549         * cfgcleanup.c: Update tree_pass descriptors.
550         * tree-ssa-pre.c: Update tree_pass descriptors.
551         * tree-sra.c: Update tree_pass descriptors.
552         * tree-mudflap.c: Update tree_pass descriptors.
553         * tree-ssa-copy.c: Update tree_pass descriptors.
554         * cfglayout.c: Update tree_pass descriptors.
555         * tree-ssa-forwprop.c: Update tree_pass descriptors.
556         * tree-ssa-dce.c: Update tree_pass descriptors.
557         * tree-ssa.c: Update tree_pass descriptors.
558         * regclass.c: Update tree_pass descriptors.
559         * integrate.c: Update tree_pass descriptors.
560         * tree-optimize.c: Update tree_pass descriptors.
561         * tree-ssa-phiprop.c: Update tree_pass descriptors.
562         * tree-object-size.c: Update tree_pass descriptors.
563         * combine.c: Update tree_pass descriptors.
564         * tree-outof-ssa.c: Update tree_pass descriptors.
565         * bb-reorder.c: Update tree_pass descriptors.
566         * stack-ptr-mod.c: Update tree_pass descriptors.
567         * var-tracking.c: Update tree_pass descriptors.
568         * tree-profile.c: Update tree_pass descriptors.
569         * tree-vect-generic.c: Update tree_pass descriptors.
570         * reg-stack.c: Update tree_pass descriptors.
571         * sched-rgn.c: Update tree_pass descriptors.
572         * tree-ssa-structalias.c: Update tree_pass descriptors.
573         * tree-cfg.c: Update tree_pass descriptors.
574         * passes.c (current_pass): Update declaration.
575         (finish_optimization_passes): Update.
576         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
577         (register_one_dump_file, register_dump_files_1, next_pass_1):
578         Update arguments.
579         (init_optimization_passes): Update handling of new types.
580         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
581         * ipa-struct-reorg.c: Update tree_pass descriptors.
582         * tree-ssa-reassoc.c: Update tree_pass descriptors.
583         * combine-stack-adj.c: Update tree_pass descriptors.
584         * cfgrtl.c: Update tree_pass descriptors.
585         * dce.c: Update tree_pass descriptors.
586         * tree-ssanames.c: Update tree_pass descriptors.
587
588 2008-03-19  Richard Guenther  <rguenther@suse.de>
589
590         PR middle-end/35609
591         * tree-ssa.c (walk_data): New structure.
592         (warn_uninitialized_var): If not always_executed warn with "maybe"
593         instead of "is".
594         (execute_early_warn_uninitialized): Compute post-dominators.
595         Initialize always_executed before processing each basic block.
596
597 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
598
599         PR target/35504
600         * config/i386/i386.c (x86_this_parameter): Calculate correct location
601         of "this" pointer when "regparm = N" or "fastcall" is in effect.
602
603 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
604
605         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
606
607 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
608
609         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
610         is true.
611         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
612         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
613         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
614         target after ignore has been set, and move there also the commputation
615         of subtarget and original_target.
616         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
617         (LANG_HOOKS_INITIALIZER): Remove it.
618         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
619
620 2008-03-18  Richard Guenther  <rguenther@suse.de>
621
622         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
623         found an expression with constants, note that in the VN for the lhs.
624         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
625         fold them to constants if possible.  Run cleanup_cfg if done so.
626         (execute_pre): Return todo.
627         (do_pre): Likewise.
628         (execute_fre): Likewise.
629         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
630         of constants.
631         (get_prop_source_stmt): Look through pointer conversions.
632
633 2008-03-18  Jan Hubicka  <jh@suse.cz>
634
635         * tree-pretty-print.c: Include predict.h.
636         (dump_generic_node): Dump predictor.
637         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
638         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
639         * gimple-low.c (lower_stmt): Likewise.
640         * expr.c (expand_expr_real): Likewise.
641         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
642         them.
643         (build_predict_expr, build_predict_expr): New.
644         * predict.h (predictor_name, build_predict_expr): Update.
645         * c-typeck.c (c_finish_bc_stmt): Add prediction.
646         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
647         * predict.def (PRED_CONTINUE): Update hitrate.
648         * tree.def (PREDICT_EXPR): Define.
649         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
650         do not handle BIND_EXPR.
651         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
652         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
653         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
654         operands.
655
656 2008-03-18  Michael Matz  <matz@suse.de>
657
658         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
659
660 2008-03-18  Richard Guenther  <rguenther@suse.de>
661
662         * tree-gimple.h (is_gimple_invariant_address): Declare.
663         (is_gimple_constant): Likewise.
664         * tree-gimple.c (is_gimple_constant): New function.
665         (is_gimple_invariant_address): Likewise.
666         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
667         and is_gimple_invariant_address.
668         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
669         previous change.
670         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
671         an addressable base.
672
673 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
674
675         PR middle-end/35611
676         * gimplify.c (gimplify_expr): Gimplify second operand of
677         OMP_ATOMIC_LOAD.
678
679 2008-03-17  Richard Guenther  <rguenther@suse.de>
680
681         PR tree-optimization/19637
682         * fold-const.c (fold_unary): Remove restrictions of removing
683         intermediate pointer-conversions (P2)(P1)P0.
684         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
685         conversion to void pointer.
686         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
687
688 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
689
690         PR debug/31510
691         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
692         emulated thread local variables.
693
694 2008-03-16  Richard Guenther  <rguenther@suse.de>
695
696         PR middle-end/35607
697         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
698         expand TREE_INVARIANT operations that are not gimple invariant.
699
700 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
701
702         * doc/extend.texi (Alignment): Say that the ABI controls
703         the __alignof__ for non-strict-alignment targets rather
704         than being a recommendation.
705
706 2008-03-15  Paul Brook  <paul@codesourcery.com>
707
708         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
709         annotations.
710         (arm_output_fn_unwind): Mark functions that can not be unwound.
711
712 2008-03-15  Paul Brook  <paul@codesourcery.com>
713
714         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
715         extension instructions.
716
717 2008-03-15  Richard Guenther  <rguenther@suse.de>
718
719         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
720         and fold constant aggregate refs.
721         (fold_const_aggregate_ref): Handle string constants
722         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
723         (evaluate_stmt): Simplify now that ccp_fold folds constant
724         aggregate refs.
725
726 2008-03-15  Paul Brook  <paul@codesourcery.com>
727
728         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
729         (extzv): Use gen_extzv_t2.
730         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
731
732 2008-03-15  Richard Guenther  <rguenther@suse.de>
733
734         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
735         (fold_const_aggregate_ref): Likewise.
736         (get_value): Return NULL if we don't have any values.
737         (ccp_finalize): Set const_val to NULL after freeing it.
738         * tree-flow.h (get_symbol_constant_value): Declare.
739         (fold_const_aggregate_ref): Likewise.
740         * tree-ssa-sccvn.c (try_to_simplify): Use them.
741
742 2008-03-15  Richard Guenther  <rguenther@suse.de>
743
744         PR middle-end/35593
745         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
746         to not produce negative array indices if not allowed.  Add
747         parameter to indicate that.
748         (maybe_fold_offset_to_component_ref): Allow negative array
749         indices only for the first member of a structure.
750         (maybe_fold_offset_to_reference): Allow negative array indices.
751         (maybe_fold_stmt_addition): Likewise.
752
753 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
754             Anatoly Sokolov <aesok@post.ru>
755
756         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
757         (avr_arch): Add ARCH_AVR6.
758         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
759         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
760         instead of fixed value 2.
761         (print_operand_address): Use gs() asm specifier instead of pm().
762         (avr_assemble_integer): (Ditto.).
763         (avr_output_addr_vec_elt): (Ditto.).
764         (print_operand): Handle "!" code.
765         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
766         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
767         (AVR_HAVE_EIJMP_EICALL): Define.
768         (AVR_3_BYTE_PC): Redefine.
769         (AVR_2_BYTE_PC): (Ditto.).
770         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
771         (LINK_SPEC): Add atmega2560 and atmega2561.
772         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
773         (crtm2561.o).
774         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
775         for 3 byte PC devices.
776         (call_value_insn): (Ditto.).
777         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
778         (indirect_jump): Use only for for 2 byte PC devices.
779         (*tablejump): (Ditto.).
780         (*indirect_jump_avr6): Add insn.
781         (*tablejump_rjmp): Don't use for 3 byte PC devices.
782         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
783         instead of ijmp for 3 byte PC devices.
784         (__tablejump2__): (Ditto.).
785         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
786         (MULITLIB_DIRNAMES): (Ditto.). 
787         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
788
789 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
790
791         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
792         "sse2_umulsidi3".  Use V1DI mode for operand 0.
793         ("mmx_psadbw"): Use V1DI mode for operand 0.
794         * config/i386/i386-modes.def (V1SI): New vector mode.
795         * config/i386/i386.c (struct builtin_description)
796         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
797         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
798         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
799         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
800         v1di_ftype_v8qi_v8qi type.
801         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
802
803         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
804         __builtin_ia32_pmuludq]: Fix the mode of return value.
805
806 2008-03-15  Richard Guenther  <rguenther@suse.de>
807
808         PR middle-end/35595
809         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
810         being a PHI_NODE.
811
812 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
813         
814         * doc/invoke.texi (Option Summary, Xtensa Options): Document
815         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
816         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
817         unless TARGET_SERIALIZE_VOLATILE is enabled.
818         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
819         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
820         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
821
822 2008-03-14  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/34172
825         * tree-flow.h (refs_may_alias_p): Declare.
826         (get_single_def_stmt): Likewise.
827         (get_single_def_stmt_from_phi): Likewise.
828         (get_single_def_stmt_with_phi): Likewise.
829         * tree-dfa.c (refs_may_alias_p): New function.
830         (get_single_def_stmt): Likewise.
831         (get_single_def_stmt_from_phi): Likewise.
832         (get_single_def_stmt_with_phi): Likewise.
833         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
834         (vn_reference_lookup_1): New helper function.
835         (vn_reference_lookup): Walk the virtual use-def chain to
836         continue searching for a match if the def does not alias the
837         reference we are looking for.
838
839 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
840
841         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
842         archive and Perzl.  Update The Written Word listing.
843
844 2008-03-14  Richard Guenther  <rguenther@suse.de>
845
846         PR tree-optimization/34043
847         PR tree-optimization/33989
848         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
849         when doing FRE.
850         (bitmap_find_leader): Use extra argument to verify dominance
851         relationship inside a basic-block.
852         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
853         (find_leader_in_sets): Adjust.
854         (create_component_ref_by_pieces): Take extra argument for
855         dominance check, handle lookup failures.
856         (find_or_generate_expression): Likewise.
857         (create_expression_by_pieces): Likewise.
858         (insert_into_preds_of_block): Adjust.
859         (create_value_expr_from): If asked for, verify all operands
860         are in the blocks AVAIL_OUT set.
861         (make_values_for_stmt): Check for SSA_NAMEs that are life
862         over an abnormal edge.
863         (compute_avail): Remove such check.
864         (do_SCCVN_insertion): New function.
865         (eliminate): If we do not find a leader suitable for replacement
866         insert a replacement expression from SCCVN if available.
867         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
868         (struct vn_ssa_aux): Add needs_insertion flag.
869         * tree-ssa-sccvn.c (may_insert): New global flag.
870         (copy_reference_ops_from_ref): Value-number union member access
871         based on its size, not type and member if insertion is allowed.
872         (visit_reference_op_load): For a weak match from union type
873         punning lookup a view-converted value and insert a SSA_NAME
874         for that value if that is not found.
875         (visit_use): Make dumps shorter.  Do not disallow value numbering
876         SSA_NAMEs that are life over an abnormal edge to constants.
877         (free_scc_vn): Release inserted SSA_NAMEs.
878         (run_scc_vn): New flag to specify whether insertion is allowed.
879         Process SSA_NAMEs in forward order.
880         * tree-ssa-loop-im.c (for_each_index): Handle invariant
881         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
882         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
883         pointer type to/from integral types that do not change the
884         precision to regular conversions.
885
886 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
887
888         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
889         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
890         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
891         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
892         input arguments and the mode of return value.  Built-in functions
893         that operate on whole 64-bit MMX register now use V1DI mode.
894
895 2008-03-13  Alon Dayan  <alond@il.ibm.com>
896             Olga Golovanevsky  <olga@il.ibm.com>
897
898         PR tree-optimization/35041
899         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
900         to locate the right position in a statement.
901
902 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
903
904         PR target/34000
905         PR target/35553
906         * config/i386/xmmintrin.h:  Change all static inline functions to
907         extern inline and add __gnu_inline__ attribute.
908         * config/i386/bmintrin.h: Ditto.
909         * config/i386/smmintrin.h: Ditto.
910         * config/i386/tmmintrin.h: Ditto.
911         * config/i386/mmintrin-common.h: Ditto.
912         * config/i386/ammintrin.h: Ditto.
913         * config/i386/emmintrin.h: Ditto.
914         * config/i386/pmmintrin.h: Ditto.
915         * config/i386/mmintrin.h: Ditto.
916         * config/i386/mm3dnow.h: Ditto.
917
918 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
919
920         PR middle-end/35185
921         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
922         (lower_omp_2): New function.
923         (lower_omp_1, lower_omp): Rewritten.
924
925 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
926
927         PR 35054
928         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
929         with the phrase "Microsoft Windows compilers".
930         (Push/Pop Macro Pragmas): New subsection. Document
931         #pragma push_macro and pragma pop_macro.
932
933 2008-03-12  Paul Brook  <paul@codesourcery.com>
934
935         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
936
937 2008-03-12  Paul Brook  <paul@codesourcery.com>
938
939         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
940         (thumb2_alusi3_short): Exclude PLUS and MINUS.
941         (thumb2_addsi_shortim): Rename ...
942         (thumb2_addsi_short): ... to this.  Allow register operands.
943         (thumb2_subsi_short): New pattern.
944         (thumb2_one_cmplsi2_short,
945         thumb2_negsi2_short): New patterns and peepholes.
946
947 2008-03-12  Paul Brook  <paul@codesourcery.com>
948
949         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
950
951 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
952
953         * config/i386/i386.md (int_cond): New code iterator.
954         (fp_cond): Ditto.
955         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
956         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
957         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
958         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
959         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
960         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
961         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
962         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
963
964 2008-03-12  Paul Brook  <paul@codesourcery.com>
965
966         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
967         instead of {arm,thumb}_compute_save_reg_mask.
968         (output_return_instruction): Ditto.
969         (thumb_unexpanded_epilogue): Ditto.
970         (thumb1_expand_prologue): Ditto.
971         (thumb1_output_function_prologue): Ditto.
972         (arm_set_return_address): Ditto.
973         (thumb_set_return_address): Ditto.
974         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
975         regs to achieve stack alignment.
976         (thumb1_compute_save_reg_mask): Fix compiler warning.
977         (arm_output_epilogue): Use offsets->saved_regs_mask.
978         Adjust stack pointer by poping call clobered registers.
979         (arm_expand_prologue): Use offsets->saved_regs_mask.
980         Adjust stack pointer by pushing extra registers.
981         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
982
983 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
984
985         PR tree-opt/35422
986         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
987         conversion to the operands of a multiplication.
988
989 2008-03-12  Richard Guenther  <rguenther@suse.de>
990
991         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
992         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
993         * timevar.def (TV_TREE_PHIPROP): Add.
994         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
995         pass description.  Use TV_TREE_PHIPROP.
996         * tree-ssa-forwprop.c: Remove phiprop code.
997
998 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
999
1000         PR middle-end/35549
1001         * omp-low.c (maybe_lookup_decl): Constify first argument.
1002         (use_pointer_for_field): Change last argument from bool to
1003         omp_context *.  Disallow shared copy-in/out in nested
1004         parallel if decl is shared in outer parallel too.
1005         (build_outer_var_ref, scan_sharing_clauses,
1006         lower_rec_input_clauses, lower_copyprivate_clauses,
1007         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1008
1009 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1010             Ira Rosen  <irar@il.ibm.com>
1011
1012         * tree-vectorizer.c (free_stmt_vec_info): New function.
1013         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1014         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1015         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1016         * tree-vect-transform.c (vectorizable_conversion): Free
1017         vec_oprnds0 if it was allocated.
1018         (vect_permute_store_chain): Remove unused VECs.
1019         (vectorizable_store): Free VECs that are allocated in the..
1020         function.
1021         (vect_transform_strided_load, vectorizable_load): Likewise.
1022         (vect_remove_stores): Simplify the code.
1023         (vect_transform_loop): Move code to vect_remove_stores().
1024         Call vect_remove_stores() and free_stmt_vec_info().
1025
1026 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1027
1028         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1029         TARGET_HPUX.  Revise comment.
1030         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1031         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1032         Use sr4 variant of `be' instruction when not generating PIC code.
1033         (attr_length_call): Adjust for above change.
1034
1035 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1036
1037         * ipa-reference.c (static_execute): Remove module_statics_const and
1038         associated setting code.
1039
1040 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         PR target/35540
1043         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1044         predicate for operand 1.
1045         (paritysi2_cmp): Use register_operand predicate for operand 2.
1046         Use earlyclobber modifier for operand 1.  Remove support for
1047         memory operands.
1048         (paritydi2_cmp): Use register_operand predicate for operand 3.
1049         Use earlyclobber modifier for operand 1.  Remove support for
1050         memory operands.
1051
1052 2008-03-11  Paul Brook  <paul@codesourcery.com>
1053             Vladimir Prus  <vladimir@codesourcery.com>
1054
1055         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1056         (arm_compute_save_reg0_reg12_mask): Always
1057         check if register 11 must be saved.  Always safe hard frame pointer
1058         when frame_pointer_needeed.
1059         (arm_compute_save_reg_mask): Save IP and PC
1060         only with apcs frames.
1061         (arm_output_epilogue): Adjust Thumb2 codepath to
1062         be also invoked and work for ARM non-apcs frames.
1063         (arm_expand_prologue): Don't bother saving IP
1064         for non-apcs frame, since it's not clobbered by
1065         prologue code.  Implement non-apcs frame
1066         layout.
1067
1068 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1069
1070         PR rtl-optimization/35281
1071         * expr.c (convert_move): Use a new pseudo for the intermediate
1072         from_mode->word_mode result.
1073
1074 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1075
1076         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1077         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1078         * toplev.c (compile_file): Don't call it.
1079
1080 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1081
1082         PR middle-end/35526
1083         * expr.c (store_expr): Call emit_block_move if the mode
1084         of "temp" RTX is BLKmode.
1085
1086 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1087             Richard Guenther  <rguenther@suse.de>
1088
1089         PR tree-optimization/31358
1090         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1091         the step with a NULL_TREE.
1092         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1093         to sizetype if type is a pointer type.
1094         (add_candidate_1): Don't convert the base and step to
1095         the generic type if the orginal type is a pointer type.
1096         (add_iv_value_candidates): Use sizetype for the step
1097         if type is a pointer type.
1098         (cand_value_at): Likewise.
1099         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1100         for pointer types.
1101         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1102         Don't convert the tem affine to the type.
1103         (add_elt_to_tree): Use sizetype for the step if a pointer.
1104         Use POINTER_PLUS_EXPR for pointers.
1105         (aff_combination_to_tree): Use sizetype for the step if a
1106         pointer.
1107
1108 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1109
1110         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1111         Remove commutativity hint.
1112
1113 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR c/35438
1116         PR c/35439
1117         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1118         errorneous type.  Check that v is a VAR_DECL.
1119
1120         PR middle-end/35099
1121         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1122
1123 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1124
1125         PR tree-optimization/35494
1126         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1127         may be overriden at link and run time.
1128
1129 2008-03-10  Richard Guenther  <rguenther@suse.de>
1130
1131         PR tree-optimization/34677
1132         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1133         (poolify_tree): Likewise.
1134         (modify_expr_template): Likewise.
1135         (poolify_modify_stmt): Likewise.
1136         (insert_fake_stores): Handle all component-ref style stores
1137         in addition to INDIRECT_REF.  Also handle complex types.
1138         Do not poolify the inserted load.
1139         (realify_fake_stores): Do not rebuild the tree but only
1140         make it a SSA_NAME copy.
1141         (init_pre): Remove initialzation of modify_expr_template.
1142         Do not allocate modify_expr_node_pool.
1143         (fini_pre): Do not free modify_expr_node_pool.
1144
1145 2008-03-10  Paul Brook  <paul@codesourcery.com>
1146
1147         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1148         to avoid conflicts.
1149
1150 2008-03-10  Paul Brook  <paul@codesourcery.com>
1151             Mark Shinwell  <shinwell@codesourcery.com>
1152
1153         * config/arm/cortex-r4.md: New.
1154         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1155         insn attributes.
1156         * config/arm/arm.md: Include cortex-r4.md.
1157         (insn): Add smmls, sdiv and udiv values.
1158         (generic_sched): Don't use generic scheduling for Cortex-R4.
1159         (arm_issue_rate): New function.
1160         (TARGET_SCHED_ISSUE_RATE): Define.
1161
1162 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1165
1166 2008-03-10  Richard Guenther  <rguenther@suse.de>
1167
1168         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1169         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1170
1171 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1172
1173         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1174         Set default to true.
1175
1176 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1177
1178         * c.opt (Wsynth): Deprecate.
1179         * doc/invoke.texi (Option Summary, Warning Options): Document
1180         -Wno-format-contains-nul.
1181
1182 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1183
1184         PR target/35496
1185         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1186         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1187
1188 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1189
1190         * config/rs6000/rs6000.c (builtin_description): Rename vector
1191         left shift operations.
1192         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1193         (altivec_vsl<VI_char>): Rename to ...
1194         (ashl<mode>3): ... new name.
1195         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1196         gen_ashlv4si3.
1197         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1198
1199 2008-03-08  Richard Guenther  <rguenther@suse.de>
1200
1201         * coverage.h (tree_coverage_counter_addr): Declare.
1202         * coverage.c (tree_coverage_counter_addr): New function.
1203         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1204         before using again.
1205         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1206         (tree_gen_one_value_profiler): Likewise.
1207         (tree_gen_ic_profiler): Likewise.
1208         (tree_gen_average_profiler): Likewise.
1209         (tree_gen_ior_profiler): Likewise.
1210
1211 2008-03-08  Richard Guenther  <rguenther@suse.de>
1212
1213         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1214         (vn_binary_op_insert): Likewise.
1215         (vn_unary_op_lookup): Likewise.
1216         (vn_unary_op_insert): Likewise.
1217         (vn_nary_op_lookup): Declare.
1218         (vn_nary_op_insert): Likewise.
1219         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1220         and binary hashes, use a single obstack for unary_op_pool
1221         and binary_op_pool.
1222         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1223         a single struct vn_nary_op_s.  Store tree code length and
1224         a variable number of operands.
1225         (struct vn_reference_op_struct): Remove unused op2.
1226         (vn_reference_op_eq): Do not compare op2.
1227         (vn_reference_op_compute_hash): Do not compute hash of op2.
1228         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1229         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1230         with vn_nary_op_compute_hash.
1231         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1232         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1233         vn_nary_op_lookup.
1234         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1235         vn_nary_op_insert.
1236         (visit_unary_op): Call nary functions.
1237         (visit_binary_op): Likewise.
1238         (process_scc): Adjust for struct vn_tables_s changes.
1239         (allocate_vn_table): Likewise.
1240         (free_vn_table): Likewise.
1241         * tree-vn.c (vn_add): Call nary functions.
1242         (vn_lookup): Likewise.
1243
1244 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1245
1246         PR target/35498
1247         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1248         wdst back after sync_compare_and_swapqhi_internal.
1249
1250 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1251
1252         PR target/22152
1253         * config/i386/i386-modes.def (V1DI): New vector mode.
1254         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1255         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1256         (MMXMODE248): Ditto.
1257         (MMXMODE): Add V1DI mode.
1258         (mmxvecsize): Change DI mode to V1DI mode.
1259         ("mov<mode>): Use MMXMODEI8 mode iterator.
1260         ("*mov<mode>_internal_rex64"): Ditto.
1261         ("*mov<mode>_internal"): Ditto.
1262         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1263         ("mmx_sub<mode>3"): Ditto.
1264         ("mmx_adddi3"): Remove insn pattern.
1265         ("mmx_subdi3"): Ditto.
1266         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1267         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1268         ("mmx_ashl<mode>3"): Ditto.
1269         ("mmx_lshrdi3"): Remove insn pattern.
1270         ("mmx_ashldi3"): Ditto.
1271         * config/i386/i386.c (classify_argument): Handle V1DImode.
1272         (function_arg_advance_32): Ditto.
1273         (function_arg_32): Ditto.
1274         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1275         mmx_addv1di3 insn pattern.
1276         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1277         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1278         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1279         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1280         Remove definitions of built-in functions.
1281         (V1DI_type_node): New node.
1282         (v1di_ftype_v1di_int): Ditto.
1283         (v1di_ftype_v1di_v1di): Ditto.
1284         (v2si_ftype_v2si_si): Ditto.
1285         (v4hi_ftype_v4hi_di): Remove node.
1286         (v2si_ftype_v2si_di): Ditto.
1287         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1288         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1289         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1290         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1291         Add new builtins using def_builtin_const.
1292         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1293         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1294         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1295         * config/i386/mmintrin.h (__v1di): New typedef.
1296         (_mm_add_si64): Cast arguments to __v1di type.
1297         (_mm_sub_si64): Ditto.
1298         (_mm_sll_pi16): Cast __count to __v4hi type.
1299         (_mm_sll_pi32): Cast __count to __v2si type.
1300         (_mm_sll_si64): Cast arguments to __v1di type.
1301         (_mm_srl_pi16): Cast __count to __v4hi type.
1302         (_mm_srl_pi32): Cast __count to __v2si type.
1303         (_mm_srl_si64): Cast arguments to __v1di type.
1304         (_mm_sra_pi16): Cast __count to __v4hi type.
1305         (_mm_sra_pi32): Cast __count to __v2si type.
1306         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1307         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1308         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1309         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1310         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1311         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1312         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1313         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1314         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1315         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1316         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1317         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1318
1319 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1320
1321         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1322
1323 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1324
1325         PR target/35373
1326         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1327         reg+const addressing for Altivec modes.  Don't generate reg+reg
1328         addressing for TFmode or TDmode quantities.
1329
1330 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1331
1332         * c-common.c (vector_types_convertible_p): Call langhook
1333         instead of comptypes.
1334
1335 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1336
1337         PR tree-opt/35402
1338         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1339         integral and scalar float variables which have a
1340         NULL DECL_INITIAL.
1341
1342 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1343
1344         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1345         dwarf_register_span hook when emitting unwind information for
1346         register-to-memory saves.
1347         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1348         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1349
1350 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1351
1352         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1353         for the same VAR_DECL.
1354
1355 2008-03-06  Tom Tromey  <tromey@redhat.com>
1356
1357         * treelang: Delete.
1358         * doc/standards.texi (Standards): Don't mention treelang.
1359         * doc/invoke.texi (Overall Options): Don't mention treelang.
1360         * doc/install.texi (Prerequisites): Don't mention bison or
1361         treelang.
1362         (Configuration): Don't mention treelang.
1363         (Building): Likewise.
1364         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1365
1366 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1367
1368         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1369         word-extractions out of a multi-word object.
1370
1371 2008-03-06  Richard Guenther  <rguenther@suse.de>
1372
1373         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1374         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1375         result type and precision.
1376         * expr.c (get_inner_reference): Set unsignedp based on the result
1377         type of BIT_FIELD_REF.
1378         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1379         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1380         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1381         for BIT_FIELD_REF.
1382         (sra_build_assignment): Likewise.
1383         (sra_build_elt_assignment): Likewise.
1384         (sra_explode_bitfield_assignment): Likewise.
1385         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1386         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1387         set BIT_FIELD_REF_UNSIGNED.
1388         (vectorizable_load): Likewise.
1389
1390 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1391
1392         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1393         at bb start.
1394
1395 2008-03-06  Richard Guenther  <rguenther@suse.de>
1396
1397         * alias.c (struct alias_set_entry): Move has_zero_child field
1398         to pack with alias_set.
1399
1400 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1401
1402         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1403         32bit host.
1404
1405 2008-03-05  Ian Lance Taylor  <iant@google.com>
1406
1407         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1408
1409 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1410
1411         * fwprop.c (update_df): Support width and offset parameters of
1412         df_ref_create.
1413         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1414         global_conflicts): Change DF_REF_EXTRACT to either
1415         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1416         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1417         * df-scan.c (df_ref_record, df_defs_record,
1418         df_ref_create_structure, df_def_record_1, df_uses_record,
1419         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1420         df_bb_refs_collect, df_entry_block_defs_collect,
1421         df_exit_block_uses_collect): Support new width and offset fields.
1422         (ref_extract_pool): New storage pool.
1423         (df_free_ref): New function.
1424         (df_reg_chain_unlink, df_free_collection_rec,
1425         df_sort_and_compress_refs): Call df_free_ref.
1426         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1427         of df_ref_extract.
1428         (df_ref_create_structure): Allocate df_ref_extract if offset and
1429         width fields are used.
1430         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1431         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1432         and SIGN_EXTRACT.
1433         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1434         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1435         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1436         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1437         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1438         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1439         (df_ref_extract): New structure.
1440         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1441         (df_ref_create): Add width and offset parameters.
1442         
1443 2008-03-05  Richard Guenther  <rguenther@suse.de>
1444
1445         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1446         Use ranges_overlap_p.
1447         (offset_overlaps_with_access): Rename
1448         to ranges_overlap_p and move ...
1449         * tree-flow-inline.h (ranges_overlap_p): ... here.
1450
1451         * tree.h (get_inner_reference, handled_component_p): Update
1452         comments.
1453
1454         * tree.h (record_component_aliases, get_alias_set,
1455         alias_sets_conflict_p, alias_sets_must_conflict_p,
1456         objects_must_conflict_p): Move declarations ...
1457         * alias.h (record_component_aliases, get_alias_set,
1458         alias_sets_conflict_p, alias_sets_must_conflict_p,
1459         objects_must_conflict_p): ... here.
1460         Include coretypes.h.
1461         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1462
1463 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1464
1465         * cfg.c: Include tree-flow.h.
1466         (remove_edge_raw): Call redirect_edge_var_map_clear.
1467         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1468         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1469         (redirect_edge_var_map_result): New.
1470         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1471         PENDING_STMT use with redirect_edge_var_map_*.
1472         * tree-ssa.c (edge_var_maps): New definition.
1473         (redirect_edge_var_map_add): New.
1474         (redirect_edge_var_map_clear): New.
1475         (redirect_edge_var_map_dup): New.
1476         (redirect_edge_var_map_vector): New.
1477         (redirect_edge_var_map_destroy): New.
1478         (ssa_redirect_edge): Replace PENDING_STMT use with
1479         redirect_edge_var_map_*.
1480         (flush_pending_stmts): Same.
1481         (delete_tree_ssa): Destroy edge var map.
1482         * tree-flow.h (struct _edge_var_map): New.
1483         Define edge_var_map vector type.
1484         Declare redirect_edge_var_map_* prototypes.
1485         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1486         * tree-cfg.c (reinstall_phi_args): Replace
1487         PENDING_STMT use with redirect_edge_var_map_*.
1488
1489 2008-03-05  Richard Guenther  <rguenther@suse.de>
1490
1491         PR tree-optimization/35472
1492         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1493         whose single use_stmt has a overlapping set of loaded and
1494         stored symbols as that use_stmt might be a noop assignment then.
1495
1496 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1497
1498         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1499
1500 2008-03-05  Richard Guenther  <rguenther@suse.de>
1501
1502         PR c++/35336
1503         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1504         should be constants.
1505         * tree-cfg.c (verify_expr): Verify it.
1506         * fold-const.c (fold_truthop): Remove code generating
1507         BIT_FIELD_REFs of structure bases.
1508         (fold_binary): Likewise.
1509         (fold_ternary): Position and size of BIT_FIELD_REFs are
1510         always host integers.
1511         (make_bit_field_ref): Remove.
1512         (optimize_bit_field_compare): Remove.
1513         (all_ones_mask_p): Remove.
1514
1515 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1516
1517         PR gcc/33009
1518         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1519         (split_block_and_df_analyze): New. Split basic block and rebuild
1520         dataflow.
1521         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1522         SPLIT_BLOCK.
1523         (split_pattern_seq): Likewise.
1524         (erase_matching_seqs): Likewise.
1525         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1526
1527 2008-03-04  Geoff Keating  <geoffk@apple.com>
1528
1529         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1530         declaration and code.
1531         (tree_invalid_nonnegative_warnv_p): Likewise.
1532
1533 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1534
1535         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1536         examples.  Truncate option-names then causing overfull hbox.
1537
1538 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1539
1540         PR target/35222
1541         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1542         on hpux10.
1543         * configure: Rebuilt.
1544
1545 2008-03-04  Rafael Espindola  <espindola@google.com>
1546
1547         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1548         (tree_unary_nonnegative_warnv_p): New.
1549         (tree_binary_nonnegative_warnv_p): New.
1550         (tree_single_nonnegative_warnv_p): New.
1551         (tree_invalid_nonnegative_warnv_p): New.
1552         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1553
1554 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1555
1556         PR 28322
1557         * opts.c (handle_option): Postpone 'unknown option' errors only for
1558         warning options.
1559
1560 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1561
1562         PR target/35453
1563         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1564         (_SIDD_XXX): This.
1565
1566 2008-03-04  Rafael Espindola  <espindola@google.com>
1567
1568         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1569         (tree_binary_nonzero_warnv_p): New.
1570         (tree_single_nonzero_warnv_p): New.
1571         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1572
1573 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1574
1575         PR middle-end/35456
1576         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1577         transformations for modes that have signed zeros.
1578         * ifcvt.c (noce_try_abs): Ditto.
1579
1580 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1581
1582         * config/i386/i386.c (override_options): Force
1583         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1584
1585 2008-03-04  Jan Hubicka  <jh@suse.cz>
1586
1587         PR c++/35262
1588         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1589         in last commit.
1590
1591 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1592
1593         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1594         label to probe the stack.
1595
1596 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1597
1598         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1599         (__gthr_win32_mutex_destroy): Declare.
1600         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1601         __gthr_win32_mutex_destroy.
1602         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1603
1604 2008-03-03  Jan Hubicka  <jh@suse.cz>
1605
1606         PR c++/35262
1607         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1608         aggressive on inlining cold calls.
1609
1610 2008-03-03  Richard Guenther  <rguenther@suse.de>
1611
1612         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1613         struct copies into the expression table.
1614         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1615         (try_to_simplify): Likewise.
1616         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1617         integral and pointer arguments which do not change the
1618         precision to NOP_EXPRs.
1619         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1620         VIEW_CONVERT_EXPR case.
1621
1622 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1625         defined in a loop at depth 0 is invariant.
1626         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1627         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1628         be called at loop depth 0.
1629
1630 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1631
1632         PR driver/35420
1633         * gcc.c (process_command): Update copyright notice dates.
1634         * gcov.c (print_version): Likewise.
1635         * gcov-dump.c (print_version): Likewise.
1636         * mips-tfile.c (main): Likewise.
1637         * mips-tdump.c (main): Likewise.
1638
1639 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1640
1641         PR 24924
1642         * c-common.c (flag_permissive): Delete.
1643         (constant_expression_warnings): Check flags first.
1644         (constant_expression_error): New.
1645         * c-common.h (flag_permissive): Delete.
1646         (constant_expression_error): Declare.
1647         * flags.h (flag_permissive): Declare. Update description.
1648         * diagnostic.c (pedwarn): Update.
1649         (permerror): New.
1650         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1651         (permissive_error_kind): New.
1652         * toplev.c (flag_permissive): Define. Update description.
1653         * toplev.h (permissive_error_kind): Declare.
1654         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1655         (pedwarn_c90): Use pedantic_warning_kind.
1656         * c-opts.c (c_common_post_options): flag_permissive does not affect
1657         flag_pedantic_errors.
1658
1659 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1660
1661         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1662         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1663         __absvsi2, __absvDI2): Use unsigned arithmetic.
1664
1665 2008-03-02  Andi Kleen  <ak@suse.de>
1666             Richard Guenther  <rguenther@suse.de>
1667
1668         * struct-equiv.c: Remove file.
1669         * cfg_cleanup.c (condjump_equiv_p): Remove.
1670         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1671         (struct-equiv.o): Remove rule.
1672         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1673         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1674         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1675
1676 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1677
1678         * ifcvt.c (noce_process_if_block): Try to handle only the then
1679         block if the else block exists but isn't suitable.
1680
1681 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1682
1683         PR gcc/35063
1684         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1685         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1686         regression from previous patch.
1687
1688 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1689
1690         PR gcc/35063
1691         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1692         implemented.
1693         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1694         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1695         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1696         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1697         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1698         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1699         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1700         (__gthread_mutex_destroy_function): Rename to
1701         __gthread_mutex_destroy.
1702         * gthr-dce.h (__gthread_mutex_destroy): Call
1703         pthread_mutex_destroy.
1704         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1705         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1706         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1707
1708 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1709
1710         * df-scan.c (df_ref_chain_change_bb): Simplify.
1711         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1712         set_block_for_insn if there's any change.
1713         * df.h ((df_insn_change_bb): Fix prototype.
1714         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1715         df_insn_change_bb, don't call set_block_for_insn.
1716         * emit-rtl.c (reorder_insns): Likewise.
1717         * haifa-sched.c (move_insn): Likewise.
1718
1719 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1720
1721         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1722
1723 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1724
1725         * tree-flow-inline.h (next_readonly_imm_use): Return
1726         NULL_USE_OPERAND_P after the end.
1727
1728 2008-03-01  Richard Guenther  <rguenther@suse.de>
1729
1730         PR tree-optimization/35411
1731         * tree-sra.c (sra_build_assignment): Split conversion to
1732         final type to a separate statement if we are not assigning
1733         to a register.
1734
1735 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1736
1737         * fold-const.c (fold_convertible_p): Correct the logic to follow
1738         that in fold_convert().
1739
1740 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1741
1742         PR c++/35315
1743         * tree-inline.c (build_duplicate_type): When we make a
1744         duplicate type, make it unique in the canonical types system.
1745
1746 2008-02-29  Tom Tromey  <tromey@redhat.com>
1747
1748         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1749         input_file_stack_history, input_file_stack_restored): Remove.
1750         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1751         * input.h (struct file_stack): Remove.
1752         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1753         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1754         Likewise.
1755         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1756         type.
1757         (diagnostic_last_module_changed): Add 'map' argument.
1758         (diagnostic_set_last_function): Likewise.
1759         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1760         line map, not input_file_stack.
1761         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1762
1763 2008-02-29  Paul Brook  <paul@codesourcery.com>
1764
1765         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1766
1767 2008-02-29  Paul Brook  <paul@codesourcery.com>
1768
1769         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1770
1771 2008-02-29  Richard Guenther  <rguenther@suse.de>
1772
1773         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1774         vn_lookup_or_add.
1775         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1776         value for comparing for a store match.
1777         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1778         (try_to_simplify): Do not do a full-blown reference lookup.
1779
1780 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1781
1782         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1783         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1784
1785         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1786
1787 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1788
1789         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1790         strides against cache sizes.
1791
1792 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1793
1794         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1795         constant to fpul.
1796
1797 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1798
1799         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1800         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1801         is smaller than the original promoted value.
1802         (simplify_subreg): If OP is a SUBREG, try to preserve its
1803         SUBREG_PROMOTED_VAR_P information.
1804
1805 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1806
1807         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1808         (VN_INFO_GET): Allocate new objects on the obstack.
1809         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1810         for rpo_numbers_temp, for consistency.
1811         (free_scc_vn): Free the obstack.
1812
1813 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * doc/invoke.texi: Document -ftree-loop-distribution.
1816         * tree-loop-distribution.c: New.
1817         * tree-pass.h (pass_loop_distribution): New.
1818         * graphds.h (struct graph): Add htab_t indices.
1819         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1820         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1821         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1822         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1823         * tree-data-ref.c (debug_data_dependence_relations): New.
1824         (dump_data_dependence_relation): Also print data references.
1825         (free_data_ref): Extern.
1826         (same_access_functions): Moved...
1827         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1828         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1829         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1830         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1831         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1832         (stmts_from_loop): Skip LABEL_EXPR.
1833         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1834         New.
1835         (build_rdg): Initialize rdg->indices htab.
1836         (free_rdg, stores_from_loop, ref_base_address,
1837         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1838         have_similar_memory_accesses_1, ref_base_address_1,
1839         remove_similar_memory_refs): New.
1840         * tree-data-ref.h: Depend on tree-chrec.h.
1841         (debug_data_dependence_relations, free_data_ref): Declared.
1842         (same_access_functions): ... here.
1843         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1844         New.
1845         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1846         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1847         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1848         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1849         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1850         rdg_vertex_for_stmt): Declared.
1851         (struct rdg_edge): Add level.
1852         (RDGE_LEVEL): New.
1853         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1854         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1855         Declared.
1856         (rdg_has_similar_memory_accesses): New.
1857         * tree-vect-analyze.c: Remove unused static decls.
1858         * lambda.h (dependence_level): New.
1859         * common.opt (ftree-loop-distribution): New.
1860         * tree-flow.h (mark_virtual_ops_in_bb, 
1861         slpeel_tree_duplicate_loop_to_edge_cfg,
1862         rename_variables_in_loop): Declared.
1863         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1864         (OBJS-common): Add tree-loop-distribution.o.
1865         (tree-loop-distribution.o): New rule.
1866         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1867         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1868         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1869
1870 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1871
1872         PR target/33963
1873         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1874         other than structures and unions.
1875
1876 2008-02-28  Richard Guenther  <rguenther@suse.de>
1877
1878         Revert:
1879         2008-02-26  Richard Guenther  <rguenther@suse.de>
1880
1881         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1882         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1883         (lookup_decl_from_uid): Declare.
1884         (remove_decl_from_map): Likewise.
1885         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1886         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1887         (decl_for_uid_map): New global hashtable mapping DECL_UID
1888         to the decl tree.
1889         (init_ttree): Allocate it.
1890         (insert_decl_to_uid_decl_map): New helper function.
1891         (make_node_stat): Insert new decls into the map.
1892         (copy_node_stat): Likewise.
1893         (lookup_decl_from_uid): New function.
1894         (remove_decl_from_map): Likewise.
1895         (print_decl_for_uid_map_statistics): New helper.
1896         (dump_tree_statistics): Call it.
1897
1898         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1899         (referenced_var_iterator): Adjust.
1900         (FOR_EACH_REFERENCED_VAR): Adjust.
1901         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1902         (num_referenced_vars): Adjust.
1903         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1904         (first_referenced_var): Remove.
1905         (end_referenced_vars_p): Likewise.
1906         (next_referenced_var): Likewise.
1907         (referenced_var_iterator_set): New helper function.
1908         * tree-dfa.c (referenced_var_lookup): Adjust.
1909         (referenced_var_check_and_insert): Likewise.
1910         (remove_referenced_var): Likewise.
1911         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1912         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1913         (verify_call_clobbering): Likewise.
1914         (verify_memory_partitions): Likewise.
1915         (init_tree_ssa): Allocate bitmap instead of hashtable for
1916         referenced_vars.
1917         (delete_tree_ssa): Adjust.
1918         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1919         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1920         (compute_tag_properties): Likewise.
1921         (set_initial_properties): Likewise.
1922         (find_partition_for): Likewise.
1923         (update_reference_counts): Likewise.
1924         (dump_may_aliases_for): Likewise.
1925         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1926         (add_call_clobber_ops): Likewise.
1927         (add_call_read_ops): Likewise.
1928         (get_asm_expr_operands): Likewise.
1929         * tree-into-ssa.c (dump_decl_set): Likewise.
1930         (update_ssa): Likewise.
1931         * tree-sra.c (scan_function): Likewise.
1932         (decide_instantiations): Likewise.
1933         (scalarize_parms): Likewise.
1934         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1935         (dsa_named_for): Likewise.
1936         * tree-ssa-structalias.c (update_alias_info): Likewise.
1937         (merge_smts_into): Likewise.
1938
1939 2008-02-27  David Daney  <ddaney@avtrex.com>
1940
1941         PR target/34409
1942         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1943         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1944         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1945         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1946         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1947
1948 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1949
1950         PR target/25477
1951         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1952         (BUILT_IN_NEXTTOWARD): Remove.
1953         (BUILT_IN_NEXTTOWARDF): Ditto.
1954         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1955         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1956
1957 2008-02-27  Tom Tromey  <tromey@redhat.com>
1958
1959         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1960         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1961
1962 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1963
1964         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1965         update the respective field on newdecl.
1966
1967 2008-02-27  Revital Eres  <eres@il.ibm.com>
1968
1969         PR rtl-optimization/34999
1970         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1971         crossing edges that ends with a call insn.
1972         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1973         call insn and clear the EDGE_CROSSING flag of the crossing edge
1974         when fixing fallthru edges.
1975
1976 2008-02-27  Richard Guenther  <rguenther@suse.de>
1977
1978         PR middle-end/35390
1979         * fold-const.c (fold_unary): Return the correct argument,
1980         converted to the result type.
1981
1982 2008-02-27  Richard Guenther  <rguenther@suse.de>
1983
1984         PR middle-end/34971
1985         * expr.c (expand_expr_real_1): Assert on rotates that operate
1986         on partial modes.
1987         * fold-const.c (fold_binary): Use the types precision, not the
1988         bitsize of the mode if folding rotate expressions.  Build rotates
1989         only for full modes.
1990
1991 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1992
1993         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1994         and CPP_PRAGMA_EOL.
1995         * c-pragma.c (pragma_ns_name): New typedef.
1996         (registered_pp_pragmas): New variable.
1997         (c_pp_lookup_pragma): New function.
1998         (c_register_pragma_1): If flag_preprocess_only, do nothing
1999         for non-expanded pragmas, for expanded ones push pragma's
2000         namespace and name into registered_pp_pragmas vector.
2001         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2002         flag_preprocess_only, don't register GCC pch_preprocess
2003         pragma if flag_preprocess_only.
2004         * c-opts.c (c_common_init): Call init_pragma even if
2005         flag_preprocess_only.
2006         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2007         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2008         cpp_register_pragma if flag_preprocess_only.
2009
2010 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2011
2012         PR c/28800
2013         * c-parser.c (c_parser_translation_unit): Warn for empty
2014         translation unit, not empty source file.
2015
2016 2008-02-26  Paul Brook  <paul@codesourcery.com>
2017
2018         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2019         operand for Thumb-2.
2020         * config/arm/arm.h (reg_class): Add CORE_REGS.
2021         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2022         (BASE_REG_CLASS): Use CORE_REGS.
2023         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2024         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2025         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2026         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2027         ARM_REGNO_OK_FOR_INDEX_P.
2028         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2029         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2030         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2031         (ldm/stm peepholes): Ditto.
2032         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2033         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2034         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2035         * config/arm/constraints.md: Enable "k" constraint on ARM.
2036
2037 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2038
2039         * config/rs6000/rs6000.c: Annotate cache line size field in all
2040         instances of struct processor_costs.
2041
2042 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2043
2044         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2045         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2046         jump_bypass): New counters.
2047         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2048         * dce.c (gate_ud_dce): Same.
2049         (gate_fast_dce): Same.
2050         * dse.c (gate_dse1): New function.
2051         (gate_dse2): New function.
2052         (gate_dse): Merge results of new gate functions.
2053         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2054         (gate_handle_jump_bypass): Add dbg_cnt.
2055         (gate_handle_gcse): Add dbg_cnt.
2056         * ifcvt.c (gate_handle_if_conversion): Same.
2057         (gate_handle_if_after_combine): Same.
2058         (gate_handle_if_after_reload): Same.
2059         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2060
2061 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2062
2063         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2064         line sizes.
2065         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2066
2067 2008-02-26  Jason Merrill  <jason@redhat.com>
2068
2069         PR c++/35315
2070         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2071         alone if it's the naming decl for the type's main variant.
2072
2073 2008-02-26  Tom Tromey  <tromey@redhat.com>
2074
2075         * system.h (USE_MAPPED_LOCATION): Poison.
2076         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2077         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2078         (make_goto_expr_edges): Likewise.
2079         (remove_bb): Likewise.
2080         (execute_warn_function_return): Likewise.
2081         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2082         location_t.
2083         * c-common.c (fname_decl): Remove old location code.
2084         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2085         location code.
2086         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2087         variant.
2088         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2089         (gen_rtx_ASM_INPUT): Likewise.
2090         (gen_rtx_ASM_INPUT_loc): Likewise.
2091         (get_rtx_asm_OPERANDS): Remove.
2092         * cfglayout.c (insn_locators_alloc): Remove old location code.
2093         (set_curr_insn_source_location): Likewise.
2094         (curr_insn_locator): Likewise.
2095         * print-tree.c (print_node): Remove old location code.
2096         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2097         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2098         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2099         location_from_locus.
2100         (construct_exit_block): Remove old location code.
2101         * emit-rtl.c (force_next_line_note): Remove old location code.
2102         * profile.c (branch_prob): Remove old location code.
2103         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2104         LOC_LINE): Remove old-location variants.
2105         * langhooks.c (lhd_print_error_function): Remove old location
2106         code.
2107         * configure, config.in: Rebuilt.
2108         * configure.ac (--enable-mapped-location): Remove.
2109         * c-decl.c (c_init_decl_processing): Remove old location code.
2110         (finish_function): Likewise.
2111         * recog.c (decode_asm_operands): Remove old location code.
2112         * c-pch.c (c_common_read_pch): Remove old location code.
2113         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2114         variants.
2115         * gimple-low.c (lower_function_body): Remove old location code.
2116         * toplev.c (unknown_location): Remove.
2117         (push_srcloc): Remove old-location variant.
2118         (process_options): Remove old location code.
2119         (lang_dependent_init): Likewise.
2120         * input.h (UNKNOWN_LOCATION): Move definition.
2121         (location_t): Undeprecate.
2122         (source_locus): Remove.
2123         (location_from_locus): Remove.
2124         (struct location_s): Remove.
2125         Remove all old-location code.
2126         (input_line, input_filename): Remove.
2127         * final.c (final_scan_insn): Remove old location code.
2128         * diagnostic.c (diagnostic_build_prefix): Remove
2129         USE_MAPPED_LOCATION test.
2130         * tree.h (gimple_stmt) <locus>: Now a location_t.
2131         (tree_exp) <locus>: Likewise.
2132         (DECL_IS_BUILTIN): Remove old-location variant.
2133         (annotate_with_file_line, annotate_with_locus): Likewise.
2134         (expr_locus, set_expr_locus): Update.
2135         * tree.c (build1_stat): Remove old location code.
2136         (last_annotated_node): Remove.
2137         (annotate_with_file_line): Remove old-location variant.
2138         (annotate_with_locus): Likewise.
2139         (expr_location): Remove old location code.
2140         (set_expr_location): Likewise.
2141         (expr_has_location): Likewise.
2142         (expr_locus): Likewise.
2143         (set_expr_locus): Likewise.
2144         (expr_filename): Don't use location_from_locus.
2145         (expr_lineno): Likewise.
2146         * rtl-error.c (location_for_asm): Remove old location code.
2147         * c-lex.c (cb_line_change): Remove old location code.
2148         (fe_file_change): Likewise.
2149         (cb_def_pragma): Likewise.
2150         (c_lex_with_flags): Likewise.
2151         * gengtype.c (do_typedef): Don't special-case location types.
2152         (define_location_structures): Remove.
2153         (main): Don't call define_location_structures.
2154         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2155         code.
2156
2157 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2158
2159         PR 26264
2160         * builtins.def (BUILT_IN_STDARG_START): Remove.
2161         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2162         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2163         * tree-inline.c (inline_forbidden_p_1): Likewise.
2164         
2165 2008-02-26  Richard Guenther  <rguenther@suse.de>
2166
2167         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2168         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2169         (lookup_decl_from_uid): Declare.
2170         (remove_decl_from_map): Likewise.
2171         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2172         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2173         (decl_for_uid_map): New global hashtable mapping DECL_UID
2174         to the decl tree.
2175         (init_ttree): Allocate it.
2176         (insert_decl_to_uid_decl_map): New helper function.
2177         (make_node_stat): Insert new decls into the map.
2178         (copy_node_stat): Likewise.
2179         (lookup_decl_from_uid): New function.
2180         (remove_decl_from_map): Likewise.
2181         (print_decl_for_uid_map_statistics): New helper.
2182         (dump_tree_statistics): Call it.
2183
2184         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2185         (referenced_var_iterator): Adjust.
2186         (FOR_EACH_REFERENCED_VAR): Adjust.
2187         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2188         (num_referenced_vars): Adjust.
2189         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2190         (first_referenced_var): Remove.
2191         (end_referenced_vars_p): Likewise.
2192         (next_referenced_var): Likewise.
2193         (referenced_var_iterator_set): New helper function.
2194         * tree-dfa.c (referenced_var_lookup): Adjust.
2195         (referenced_var_check_and_insert): Likewise.
2196         (remove_referenced_var): Likewise.
2197         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2198         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2199         (verify_call_clobbering): Likewise.
2200         (verify_memory_partitions): Likewise.
2201         (init_tree_ssa): Allocate bitmap instead of hashtable for
2202         referenced_vars.
2203         (delete_tree_ssa): Adjust.
2204         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2205         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2206         (compute_tag_properties): Likewise.
2207         (set_initial_properties): Likewise.
2208         (find_partition_for): Likewise.
2209         (update_reference_counts): Likewise.
2210         (dump_may_aliases_for): Likewise.
2211         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2212         (add_call_clobber_ops): Likewise.
2213         (add_call_read_ops): Likewise.
2214         (get_asm_expr_operands): Likewise.
2215         * tree-into-ssa.c (dump_decl_set): Likewise.
2216         (update_ssa): Likewise.
2217         * tree-sra.c (scan_function): Likewise.
2218         (decide_instantiations): Likewise.
2219         (scalarize_parms): Likewise.
2220         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2221         (dsa_named_for): Likewise.
2222         * tree-ssa-structalias.c (update_alias_info): Likewise.
2223         (merge_smts_into): Likewise.
2224
2225 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2226
2227         PR 34351
2228         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2229         * c-opts.c (c_common_handle_option): Wall enables
2230         Wvolatile-register-var.
2231         * common.opt: Move Wvolatile-register-var to...
2232         * c.opt: ...here.
2233         
2234 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2235
2236         * common.opt (Wlarger-than=): New.
2237         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2238         -Wlarger-than=.
2239         * opts.c (common_handle_option): Handle -Wlarger-than=.
2240         * optc-gen.awk: Likewise.
2241         * opth-gen.awk: Likewise.
2242         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2243         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2244         
2245 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2246
2247         * c-common.c (match_case_to_enum_1): Add appropriate
2248         OPT_W* parameter to warning.
2249         (c_do_switch_warnings): Likewise.
2250         * c-typeck.c (warning_init): Add one more parameter following
2251         'warning' function.
2252         (push_init_level): Update call to warning_init.
2253         (pop_init_level): Likewise.
2254         (add_pending_init): Likewise.
2255         (output_init_element: Likewise.
2256
2257 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2258
2259         PR 28322
2260         * toplev.c (toplev_main): If there are warnings or error, print
2261         errors for ignored options.
2262         * opts.c (ignored_options): New static variable.
2263         (postpone_unknown_option_error): New.
2264         (print_ignored_options): New.
2265         (handle_option): Postpone errors for unknown -Wno-* options.
2266         * opts.h (print_ignored_options): Declare.
2267         
2268 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2269
2270         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2271         to "ghost".
2272
2273 2008-02-25  Richard Guenther  <rguenther@suse.de>
2274
2275         Revert:
2276         2008-02-25  Richard Guenther  <rguenther@suse.de>
2277
2278         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2279         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2280         (lookup_decl_from_uid): Declare.
2281         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2282         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2283         (decl_for_uid_map): New global hashtable mapping DECL_UID
2284         to the decl tree.
2285         (init_ttree): Allocate it.
2286         (insert_decl_to_uid_decl_map): New helper function.
2287         (make_node_stat): Insert new decls into the map.
2288         (copy_node_stat): Likewise.
2289         (lookup_decl_from_uid): New function.
2290         (print_decl_for_uid_map_statistics): New helper.
2291         (dump_tree_statistics): Call it.
2292
2293         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2294         (referenced_var_iterator): Adjust.
2295         (FOR_EACH_REFERENCED_VAR): Adjust.
2296         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2297         (num_referenced_vars): Adjust.
2298         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2299         (first_referenced_var): Remove.
2300         (end_referenced_vars_p): Likewise.
2301         (next_referenced_var): Likewise.
2302         (referenced_var_iterator_set): New helper function.
2303         * tree-dfa.c (referenced_var_lookup): Adjust.
2304         (referenced_var_check_and_insert): Likewise.
2305         (remove_referenced_var): Likewise.
2306         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2307         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2308         (verify_call_clobbering): Likewise.
2309         (verify_memory_partitions): Likewise.
2310         (init_tree_ssa): Allocate bitmap instead of hashtable for
2311         referenced_vars.
2312         (delete_tree_ssa): Adjust.
2313         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2314         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2315         (compute_tag_properties): Likewise.
2316         (set_initial_properties): Likewise.
2317         (find_partition_for): Likewise.
2318         (update_reference_counts): Likewise.
2319         (dump_may_aliases_for): Likewise.
2320         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2321         (add_call_clobber_ops): Likewise.
2322         (add_call_read_ops): Likewise.
2323         (get_asm_expr_operands): Likewise.
2324         * tree-into-ssa.c (dump_decl_set): Likewise.
2325         (update_ssa): Likewise.
2326         * tree-sra.c (scan_function): Likewise.
2327         (decide_instantiations): Likewise.
2328         (scalarize_parms): Likewise.
2329         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2330         (dsa_named_for): Likewise.
2331         * tree-ssa-structalias.c (update_alias_info): Likewise.
2332         (merge_smts_into): Likewise.
2333
2334 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2335
2336         PR fortran/29549
2337         * doc/invoke.texi (-fcx-limited-range): Document new option.
2338         * toplev.c (process_options): Handle -fcx-fortran-rules.
2339         * common.opt: Add documentation for -fcx-fortran-rules.
2340
2341 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2342
2343         PR c/35162
2344         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2345         actual behaviour and C99.
2346         
2347 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2348
2349         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2350         (ASM_CPU_POWER6_SPEC): Likewise.
2351         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2352         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2353         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2354
2355 2008-02-25  Richard Guenther  <rguenther@suse.de>
2356
2357         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2358         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2359         (lookup_decl_from_uid): Declare.
2360         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2361         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2362         (decl_for_uid_map): New global hashtable mapping DECL_UID
2363         to the decl tree.
2364         (init_ttree): Allocate it.
2365         (insert_decl_to_uid_decl_map): New helper function.
2366         (make_node_stat): Insert new decls into the map.
2367         (copy_node_stat): Likewise.
2368         (lookup_decl_from_uid): New function.
2369         (print_decl_for_uid_map_statistics): New helper.
2370         (dump_tree_statistics): Call it.
2371
2372         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2373         (referenced_var_iterator): Adjust.
2374         (FOR_EACH_REFERENCED_VAR): Adjust.
2375         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2376         (num_referenced_vars): Adjust.
2377         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2378         (first_referenced_var): Remove.
2379         (end_referenced_vars_p): Likewise.
2380         (next_referenced_var): Likewise.
2381         (referenced_var_iterator_set): New helper function.
2382         * tree-dfa.c (referenced_var_lookup): Adjust.
2383         (referenced_var_check_and_insert): Likewise.
2384         (remove_referenced_var): Likewise.
2385         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2386         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2387         (verify_call_clobbering): Likewise.
2388         (verify_memory_partitions): Likewise.
2389         (init_tree_ssa): Allocate bitmap instead of hashtable for
2390         referenced_vars.
2391         (delete_tree_ssa): Adjust.
2392         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2393         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2394         (compute_tag_properties): Likewise.
2395         (set_initial_properties): Likewise.
2396         (find_partition_for): Likewise.
2397         (update_reference_counts): Likewise.
2398         (dump_may_aliases_for): Likewise.
2399         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2400         (add_call_clobber_ops): Likewise.
2401         (add_call_read_ops): Likewise.
2402         (get_asm_expr_operands): Likewise.
2403         * tree-into-ssa.c (dump_decl_set): Likewise.
2404         (update_ssa): Likewise.
2405         * tree-sra.c (scan_function): Likewise.
2406         (decide_instantiations): Likewise.
2407         (scalarize_parms): Likewise.
2408         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2409         (dsa_named_for): Likewise.
2410         * tree-ssa-structalias.c (update_alias_info): Likewise.
2411         (merge_smts_into): Likewise.
2412
2413 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2414
2415         PR target/35258
2416         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2417         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2418         * alias.h (nonoverlapping_memrefs_p): Likewise.
2419
2420 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2421
2422         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2423         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2424         __emultls_get_address, __emultls_register_common,
2425         __floatundi?f, and _Unwind_GetIPInfo.
2426         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2427         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2428         (gen_regparm_prefix): Likewise.
2429         (i386_nlm_encode_section_info): Sync with
2430         config/i386/winnt.c:i386_pe_encode_section_info().
2431         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2432         i386_nlm_mangle_decl_assembler_name): New.
2433         (netware_override_options): New.
2434         * config/i386/netware.h (netware_override_options): Declare.
2435         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2436         (i386_nlm_mangle_decl_assembler_name): Declare.
2437         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2438
2439 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2440
2441         PR other/32948
2442         * c-decl.c (grokdeclarator): Remove unused local variables
2443         `typedef_type' and `type_as_written'.
2444         * bb-reorder.c
2445         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2446         unused local variable `has_hot_blocks'.
2447         (fix_crossing_conditional_branches): Remove unused local variable
2448         `prev_bb'.
2449         
2450 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2451
2452         PR middle-end/19984
2453         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2454         using DEF_C99_BUILTIN.
2455         (BUILT_IN_NANF): Ditto.
2456         (BUILT_IN_NANL): Ditto.
2457
2458 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2459             Revital Eres  <eres@il.ibm.com>
2460
2461         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2462         regarding the order of two dependent insns in the same row.
2463
2464 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2465
2466         * stor-layout.c (layout_decl): Do not bump the alignment of a
2467         bit-field to more than byte alignment if it is packed.
2468
2469 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2470
2471         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2472         e300c2 and e300c3.
2473
2474 2008-02-24  Diego Novillo  <dnovillo@google.com>
2475
2476         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2477
2478         PR 33738
2479         * tree-vrp.c (vrp_evaluate_conditional): With
2480         -Wtype-limits, emit a warning when comparing against a
2481         constant outside the natural range of OP0's type.
2482         * c.opt (Wtype-limits): Move ...
2483         * common.opt (Wtype-limits): ... here.
2484
2485 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2486
2487         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2488         * config/rs6000/e300c2c3.md: New file.
2489         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2490         e300c2 and e300c3.
2491         (rs6000_override_options): Add e300c2 and e300c3 cases to
2492         processor_target_table. Do not allow usage of Altivec or Spe
2493         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2494         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2495         * config/rs6000/rs6000.h (processor_type): Add
2496         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2497         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2498         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2499         and ppce300c3. Include e300c2c3.md.
2500
2501 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2502
2503         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2504         instead of TARGET_STRICT_ALIGN.
2505
2506 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2507
2508         * explow.c (memory_address): Assert that the generated address is
2509         valid.
2510
2511 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2512
2513         PR target/25477
2514         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2515         * config/darwin-ppc-ldouble-patch.def: New file.
2516         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2517         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2518         SUBTARGET_INIT_BUILTINS if defined.
2519         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2520         New functions.
2521
2522 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2523
2524         PR rtl-opt/33512
2525         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2526         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2527
2528 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2529
2530         PR pch/35027
2531         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2532         file" warning condtional on -Winvalid-PCH.
2533
2534 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2535
2536         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2537
2538 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2539
2540         PR target/22076
2541         PR target/34256 
2542         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2543         prevent reload from using MMX registers.
2544         (*mov<mode>_internal): Ditto.
2545         (*movv2sf_internal_rex64): Ditto.
2546         (*movv2sf_internal): Ditto.
2547
2548 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2549
2550         PR documentation/31569
2551         * doc/install.texi2html: Use makeinfo --no-number-sections.
2552
2553 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2554
2555         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2556         ensure that we can address an entire entity > 8 bytes.  Don't
2557         generate reg+reg addressing for such data.
2558
2559 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2560
2561         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2562         strings when optimizing for size, unless the target cares about
2563         alignment.
2564
2565 2008-02-22  Tom Tromey  <tromey@redhat.com>
2566
2567         * regclass.c (current_pass): Remove declaration.
2568
2569 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2570
2571         * config/avr/libgcc.S (__RAMPZ__): Define.
2572         (__do_copy_data): Add for devices with 128KB code memory.
2573
2574 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2575
2576         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2577         Use spe_abi.
2578         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2579
2580 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2581
2582         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2583         GENNONACR_REGS.
2584
2585 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2586
2587         PR c/19999
2588         * c-typeck.c (build_binary_op): Warn about floating point
2589         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2590
2591 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2592
2593         PR target/34526
2594         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2595         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2596         add vrsave.
2597         (rs6000_override_options): Set altivec_abi as default, not override,
2598         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2599         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2600         is used; use new member spe_abi.
2601         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2602         spe_abi and altivec_abi.
2603
2604 2008-02-22  Tomas Bily  <tbily@suse.cz>
2605
2606         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2607
2608 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2609
2610         PR bootstrap/35273
2611         * config.build (build_file_translate): Set to `CMD //c' only if
2612         it works.
2613         * Makefile.in (build_file_translate): Improve comment.
2614
2615 2008-02-21  Jan Hubicka  <jh@suse.cz>
2616
2617         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2618         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2619         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2620
2621 2008-02-21  Michael Matz  <matz@suse.de>
2622
2623         PR target/35264
2624         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2625
2626 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2629         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2630         as insn constraint.
2631         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2632         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2633         SSE_VEC_FLOAT_MODE_P as insn constraint.
2634         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2635         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2636         sse4a_movntdf using MODEF mode iterator.
2637         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2638         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2639         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2640         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2641         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2642         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2643         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2644
2645 2008-02-21  Richard Guenther  <rguenther@suse.de>
2646
2647         * tree.def (PAREN_EXPR): New tree code.
2648         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2649         and PAREN_EXPR.
2650         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2651         * expr.c (expand_expr_real_1): Likewise.
2652         * tree-inline.c (estimate_num_insns_1): Likewise.
2653         * tree-complex.c (expand_complex_move): Likewise.
2654         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2655         as plain x.
2656
2657 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2658
2659         PR target/35225
2660         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2661
2662 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2663
2664         PR target/35190
2665         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2666
2667         * config/sh/sh.c (find_barrier): Don't go past
2668         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2669
2670 2008-02-20  DJ Delorie  <dj@redhat.com>
2671
2672         * config/h8300/h8300.md (insv): Force source operand to be a register.
2673
2674         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2675         as a jump, not as a plain insn.
2676         
2677 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2678
2679         * doc/invoke.texi (Warning Options): Add new option
2680         -Wframe-larger-than=.
2681         (-Wframe-larger-than): Document.
2682
2683         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2684         Add declarations for new option variables.
2685
2686         * final.c (final_start_function): Check the frame size
2687         before emission and issue a Wframe-larger-than warning.
2688
2689         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2690         Add definitions for new option variables.
2691         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2692
2693         * common.opt (Wframe-larger-than=): New option.
2694
2695 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2696
2697         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2698         (<sse>_div<mode>3): Ditto.
2699         (<sse>_vmdiv<mode>3): Ditto.
2700         (<sse>_vmsqrt<mode>2): Ditto.
2701         (*smax<mode>3): Ditto.
2702         (sse5_frcz<mode>2): Ditto.
2703         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2704         as insn constraint.
2705
2706 2008-02-20  Richard Guenther  <rguenther@suse.de>
2707
2708         PR middle-end/35265
2709         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2710         be happy with INTEGRAL_TYPE_P.
2711
2712 2008-02-20  Richard Guenther  <rguenther@suse.de>
2713
2714         * fold-const.c (split_tree): Associate floatig-point expressions
2715         if flag_associative_math is set.
2716
2717 2008-02-20  Richard Guenther  <rguenther@suse.de>
2718
2719         * tree.h (fold_real_zero_addition_p): Declare.
2720         * fold-const.c (fold_real_zero_addition_p): Export.
2721         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2722         floating-point operations with zero and one.
2723
2724 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2725
2726         * doc/install.texi: Correct references to CFLAGS, replacing them
2727         with BOOT_CFLAGS.  Document flags used during bootstrap for
2728         target libraries.
2729                                 
2730 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2731
2732         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2733         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2734         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2735         insn constraint.
2736         (smin<mode>3): Ditto from similar patterns.
2737         (smax<mode>3): Ditto.
2738         (*ieee_smin<mode>3): Ditto.
2739         (*ieee_smax<mode>3): Ditto.
2740         * config/i386/sse.md (sse): New mode attribute.
2741         (mov<mode>): Macroize expander from movv4sf and movv2df using
2742         SSEMODEF2P mode iterator.
2743         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2744         SSE_VEC_FLOAT_MODE_P as insn constraint.
2745         (storent<mode>): Ditto.
2746         (storent<mode>): Macroize expander from storentsf and storentdf using
2747         MODEF mode iterator.
2748         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2749         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2750         (abs<mode>2): Ditto from similar patterns.
2751         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2752         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2753         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2754         (<sse>_vmsqrt<mode>2): Ditto.
2755         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2756         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2757         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2758         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2759         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2760         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2761         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2762         insn constraint.
2763         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2764         iterator and SSE_FLOAT_MODE_P as insn constraint.
2765         (<sse>_ucomi): Ditto from similar patterns.
2766         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2767         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2768         SSE_VEC_FLOAT_MODE_P as insn constraint.
2769         (vcond<mode>): Ditto from similar patterns.
2770         (and<mode>3, *and<mode>3): Ditto.
2771         (<sse>_nand<mode>3): Ditto.
2772         (ior<mode>3, *ior<mode>3): Ditto.
2773         (xor<mode>3, *xor<mode>3): Ditto.
2774         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2775         iterator and SSE_FLOAT_MODE_P as insn constraint.
2776         (*nand<mode>3): Ditto from similar patterns.
2777         (*ior<mode>3): Ditto.
2778         (*xor<mode>3): Ditto.
2779
2780 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2781
2782         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2783         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2784         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2785
2786 2008-02-19  Jan Hubicka  <jh@suse.cz>
2787
2788         * predict.c (tree_bb_level_predictions): Remove variable next
2789         mistakely introduced by previous commit.
2790
2791 2008-02-19  Jan Hubicka  <jh@suse.cz>
2792
2793         * predict.c (predict_paths_leading_to): Rewrite.
2794         (predict_paths_for_bb): New.
2795         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2796
2797 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2798
2799         PR bootstrap/35218
2800         * Makefile.in (build_file_translate): New.
2801         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2802         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2803         * configure.ac (build_file_translate): Substitute it.
2804         * configure: Regenerate.
2805
2806 2008-02-19  Jan Hubicka  <jh@suse.cz>
2807
2808         PR rtl-optimization/34408
2809         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2810         invalid sharing.
2811
2812 2008-02-19  Jan Hubicka  <jh@suse.cz>
2813
2814         PR middle-end/28779
2815         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2816         call_expr.
2817
2818 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2819
2820         PR Ada/35186
2821         * config/i386/i386-modes.def: Revert the last DI alignment
2822         change until Ada people can look into it.
2823
2824 2008-02-19  Nick Clifton  <nickc@redhat.com>
2825
2826         * opts.c (print_specific_help): Fix typo in --help text.
2827
2828 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2829
2830         PR target/35239
2831         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2832         32-bit inline asm without asm alternatives for host GCC < 3.0.
2833
2834 2008-02-19  Richard Guenther  <rguenther@suse.de>
2835
2836         PR tree-optimization/34989
2837         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2838         Allow propagation to INDIRECT_REF if we can simplify only.
2839
2840 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2841
2842         * c-common.c (warn_for_collisions_1): Use appropriate option when
2843         warning.
2844
2845 2008-02-19  Nick Clifton  <nickc@redhat.com>
2846
2847         PR other/31349
2848         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2849         (handle_options): Fix indentation.
2850         (print_filtered_help): If no language-specific options were
2851         displayed tell the user how to list all the options supported by
2852         the language's front-end.
2853         (print_specific_help): Fix indentation and remove duplicate line.
2854         (common_handle_option): Handle the -v option.
2855         For --help enable the display of undocumented options if the -v
2856         switch has been included on the command line.
2857         For --help= check for overlaps in the arguments between the option
2858         classes and the language names and issue a warning when they
2859         cannot be disambiguated.
2860         * c.opt (v): Pass on to the common option handler.
2861
2862 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2863
2864         * modulo-sched.c (sms_schedule): Change dump message when
2865         create_ddg function fails.
2866         (try_scheduling_node_in_cycle): Rename row to cycle.
2867         (print_partial_schedule): Rename CYCLE to ROW.
2868
2869 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2870             Zdenek Dvorak  <ook@ucw.cz>
2871
2872         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2873
2874 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2875
2876         PR target/33555
2877         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2878         (*x86_movdicc_0_m1_se): Ditto.
2879
2880 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2881
2882         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2883         (CMPtype): Define as __gcc_CMPtype.
2884         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2885         (CMPtype): Define as __gcc_CMPtype.
2886
2887 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2888
2889         Support valgrind 3.3 for --enable-checking=valgrind.
2890         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2891         here.
2892         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2893         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2894         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2895         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2896         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2897         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2898         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2899         respectively.
2900         * ggc-zone.c: Similar.
2901         * ggc-page.c: Similar.
2902
2903 2008-02-19  Paul Brook  <paul@codesourcery.com>
2904
2905         PR target/35071
2906         * config/arm/ieee754-df.S: Fix do_it typo.
2907         * config/arm/ieee754-sf.S: Fix do_it typo.
2908
2909 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2910
2911         PR target/35189
2912         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2913         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2914         (OPTION_MASK_ISA_SSE_SET): Likewise.
2915         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2916         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2917         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2918         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2919         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2920         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2921         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2922         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2923         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2924         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2925         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2926         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2927         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2928         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2929         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2930         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2931         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2932         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2933         (OPTION_MASK_ISA_SSE4): Removed.
2934         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2935         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2936         (override_options): Don't turn on implied SSE/MMX bits in
2937         ix86_isa_flags.
2938
2939 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2940
2941         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2942         32bit host.
2943
2944 2008-02-18  Joey Ye  <joey.ye@intel.com>
2945
2946         PR middle-end/34921
2947         * tree-nested.c (insert_field_into_struct): Set type alignment
2948         to field alignment if the former is less than the latter.
2949
2950 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2951
2952         * BASE-VER: Set to 4.4.0.
2953
2954 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2955
2956         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2957         * doc/cfg.texi: Likewise.
2958         * doc/extend.texi: Likewise.
2959         * doc/gty.texi: Likewise.
2960         * doc/invoke.texi: Likewise.
2961         * doc/loop.texi: Likewise.
2962         * doc/md.texi: Likewise.
2963         * doc/passes.texi: Likewise.
2964         * doc/rtl.texi: Likewise.
2965         * doc/sourcebuild.texi: Likewise.
2966         * doc/tm.texi: Likewise.
2967         * doc/tree-ssa.texi: Likewise.
2968
2969 2008-02-17  Richard Guenther  <rguenther@suse.de>
2970
2971         PR middle-end/35227
2972         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2973         without default definition.
2974
2975 2008-02-17  Richard Guenther  <rguenther@suse.de>
2976
2977         PR tree-optimization/35231
2978         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2979         if A | B != 1.
2980
2981 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2982
2983         Revert:
2984         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2985         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2986         libgcc_cmp_return mode.
2987
2988 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2989
2990         PR c/28368
2991         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2992
2993 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2994
2995         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2996         multilibs.
2997
2998 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2999
3000         * doc/c-tree.texi: Use `@.' where appropriate.
3001         * doc/extend.texi: Likewise.
3002         * doc/install.texi: Likewise.
3003         * doc/invoke.texi: Likewise.
3004         * doc/loop.texi: Likewise.
3005         * doc/makefile.texi: Likewise.
3006         * doc/md.texi: Likewise.
3007         * doc/passes.texi: Likewise.
3008         * doc/standards.texi: Likewise.
3009         * doc/tm.texi: Likewise.
3010
3011 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3012
3013         PR middle-end/35196
3014         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3015         in entry_bb.
3016         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3017         rather than in entry_bb.
3018
3019 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3020
3021         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3022         libgcc_cmp_return mode.
3023
3024 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3025
3026         PR middle-end/35130
3027         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3028         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3029
3030 2008-02-15  Richard Guenther  <rguenther@suse.de>
3031             Zdenek Dvorak  <ook@ucw.cz>
3032
3033         PR tree-optimization/35164
3034         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3035         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3036         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3037         Only propagate addresses which do not have abnormal SSA_NAMEs
3038         in their operands.
3039
3040 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3041
3042         PR target/35088
3043         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3044
3045 2008-02-15  Jan Hubicka  <jh@suse.cz>
3046
3047         PR middle-end/35149
3048         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3049
3050 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3051
3052         PR middle-end/34621
3053         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3054         when calculating alignment_pad.
3055
3056 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3057
3058         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3059         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3060         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3061         and STACK_BOUNDARY define.
3062
3063 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3064
3065         PR preprocessor/35061
3066         * c-pragma.c (handle_pragma_pop_macro): Check that
3067         pushed_macro_table has been allocated.
3068
3069 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3070
3071         PR middle-end/35136
3072         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3073         (force_gimple_operand): Likewise.
3074         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3075         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3076         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3077         (find_interesting_uses_address): Check addressability and alignment
3078         of the base expression only after substituting bases of IVs into it.
3079
3080 2008-02-14  Michael Matz  <matz@suse.de>
3081
3082         PR target/34930
3083         * function.c (instantiate_virtual_regs_in_insn): Reload address
3084         before falling back to reloading the whole operand.
3085
3086 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3087
3088         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3089         before the first section switch note.
3090
3091 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3092
3093         * doc/bugreport.texi: Update copyright years.
3094         * doc/c-tree.texi: Likewise.
3095         * doc/cfg.texi: Likewise.
3096         * doc/cpp.texi: Likewise.
3097         * doc/cppinternals.texi: Likewise.
3098         * doc/fragments.texi: Likewise.
3099         * doc/frontends.texi: Likewise.
3100         * doc/gcc.texi: Likewise.
3101         * doc/gty.texi: Likewise.
3102         * doc/hostconfig.texi: Likewise.
3103         * doc/implement-c.texi: Likewise.
3104         * doc/libgcc.texi: Likewise.
3105         * doc/loop.texi: Likewise.
3106         * doc/makefile.texi: Likewise.
3107         * doc/options.texi: Likewise.
3108         * doc/passes.texi: Likewise.
3109         * doc/rtl.texi: Likewise.
3110         * doc/sourcebuild.texi: Likewise.
3111         * doc/standards.texi: Likewise.
3112         * doc/tree-ssa.texi: Likewise.
3113         * doc/trouble.texi: Likewise.
3114
3115         * doc/extend.texi: Use @: or add comma where appropriate.
3116         * doc/invoke.texi: Likewise.
3117         * doc/tm.texi: Likewise.
3118
3119 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3120
3121         PR target/34393
3122         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3123         to a reg.
3124
3125 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3126
3127         * doc/md.texi (clz, ctz): Add reference.
3128         * doc/rtl.texi (clz, ctz): Likewise.
3129
3130 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3131
3132         PR other/35148
3133         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3134         srcdir.
3135
3136 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3137
3138         * config/s390/s390.c (struct constant_pool): New field
3139         emit_pool_after added.
3140         (s390_mainpool_start): Set the emit_pool_after flag according
3141         to the section switch notes.
3142         (s390_mainpool_finish): Consider emit_pool_after when emitting
3143         the literal pool at the end of the function.
3144         (s390_chunkify_start): Force literal pool splits at section
3145         switch notes.
3146
3147 2008-02-13  Michael Matz  <matz@suse.de>
3148
3149         PR debug/35065
3150         * var-tracking.c (clobber_variable_part): Correctly traverse the
3151         list.
3152
3153 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3154
3155         PR 29673
3156         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3157         Add -fdump-ipa-inline.
3158         * tree-dump.c (dump_files): Remove tree-inlined dump.
3159         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3160         
3161 2008-02-12  Richard Guenther  <rguenther@suse.de>
3162
3163         PR tree-optimization/35171
3164         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3165         default defs.
3166
3167 2008-02-12  Richard Guenther  <rguenther@suse.de>
3168
3169         PR middle-end/35163
3170         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3171         value-preserving mode.  Disallow final truncation.
3172
3173 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         PR middle-end/35136
3176         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3177         code from here to...
3178         (force_gimple_operand): ...here.
3179
3180 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3181
3182         PR c++/35144
3183         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3184         non-compatible pointers.
3185         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3186         different FIELD_DECLs, try harder by comparing field offsets, sizes
3187         and types.
3188
3189         PR inline-asm/35160
3190         * function.c (match_asm_constraints_1): Don't replace the same input
3191         multiple times.
3192
3193 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3194
3195         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3196         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3197         (expand_epilogue): Restore RAMPZ register.
3198         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3199
3200 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3201
3202         * config/i386/cygwin.asm: (__alloca): Correct calling
3203         convention and alignment.
3204         (__chkstk): Force 8 byte stack alignment.
3205
3206 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3207             Richard Guenther  <rguenther@suse.de>
3208
3209         PR tree-optimization/33992
3210         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3211         the zero we compare against.
3212
3213 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3214
3215         PR libfortran/35063
3216         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3217         to CloseHandle after unlocking to prevent accumulation of handle
3218         count.
3219
3220 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3221
3222         PR middle_end/34150
3223         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3224         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3225         and update LABEL_NUSES during and after reload.
3226
3227 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3228
3229         PR middle-end/34627
3230         * combine.c (simplify_if_then_else): Make sure the comparison is
3231         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3232
3233 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3234
3235         PR bootstrap/35051
3236         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3237         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3238         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3239         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3240         * tree.h (get_type_static_bounds): Likewise.
3241
3242 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3243
3244         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3245         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3246         Make -Wfoo language annotations match what the compiler outputs.
3247
3248 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3249
3250         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3251         intrinsics spu_convts, spu_convtu, spu_convtf.
3252         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3253
3254 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3255
3256         * doc/extend.texi (Function Attributes) <noinline>: Mention
3257         asm ("") as method to keep calls.
3258
3259 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3260
3261         PR other/32754
3262         * doc/options.texi (Options): Replace references to opts.sh with
3263         optc-gen.awk.
3264         * opts-common.c: Likewise.
3265         * optc-gen.awk: Likewise.
3266         
3267 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3268
3269         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3270
3271 2008-02-07  Richard Henderson  <rth@redhat.com>
3272
3273         PR rtl-opt/33410
3274         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3275         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3276         funny mode.
3277
3278 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3279
3280         PR tree-optimization/35085
3281         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3282         for operand entry oe2 in addition to operand entry oe3 in order to
3283         expose more opportunities for vectorizer sum reduction.
3284
3285 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3286
3287         PR other/35107
3288         * Makefile.in (LIBS): Remove $(GMPLIBS).
3289         (cc1-dummy, cc1): Add $(GMPLIBS).
3290
3291 2008-02-06  Jan Hubicka  <jh@suse.cz>
3292
3293         PR target/23322
3294         * i386.md (moddf_integer): Do not produce partial memory stalls for
3295         targets where it hurts.
3296
3297 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3298
3299         PR target/35083
3300         * optabs.c (expand_float): Do not check for decimal modes when
3301         expanding unsigned integer through signed conversion.
3302
3303 2008-02-06  Nick Clifton  <nickc@redhat.com>
3304
3305         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3306         inside the clobber with a match_operand and duplicated operand
3307         number in the constraint.
3308         (ineqbranchsi): Delete redundant comment.
3309
3310 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3311
3312         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3313         builtin_define ("__USE_INIT_FINI__").
3314         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3315         -msx multilibs.
3316         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3317
3318 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3319
3320         PR documentation/30330
3321         * doc/invoke.texi (C++ Dialect Options)
3322         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3323         For each warning option -Wfoo that allows -Wno-foo, ensure both
3324         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3325         entry of -Wswitch-default, index -Wnormalized= including the
3326         `=', and -Wlarger-than-@var{len} including @var{len}.
3327
3328 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3329
3330         * config/i386/i386.md (floatunssisf2): Use
3331         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3332         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3333         Macroize expander using MODEF mode iterator.
3334
3335 2008-02-05  Diego Novillo  <dnovillo@google.com>
3336
3337         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3338
3339         PR 33738
3340         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3341
3342 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3343
3344         PR other/35070
3345         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3346
3347 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3348
3349         PR target/35084
3350         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3351         to indicate if a message should be generated.
3352         (init_cumulative_args): Updated.
3353         (function_value_32): Likewise.
3354
3355 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3356
3357         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3358
3359 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3360
3361         PR target/35083
3362         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3363         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3364
3365 2008-02-04  Diego Novillo  <dnovillo@google.com>
3366
3367         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3368
3369         PR 33738
3370         * tree-vrp.c (vrp_evaluate_conditional): With
3371         -Wtype-limits, emit a warning when comparing against a
3372         constant outside the natural range of OP0's type.
3373
3374 2008-02-04  Richard Guenther  <rguenther@suse.de>
3375
3376         PR middle-end/33631
3377         * expr.c (count_type_elements): Give for unions instead of
3378         guessing.
3379
3380 2008-02-04  Richard Guenther  <rguenther@suse.de>
3381
3382         PR middle-end/35043
3383         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3384         to TYPE_DOMAINs base type instead of using bitsizetype here.
3385
3386 2008-02-03  Jason Merrill  <jason@redhat.com>
3387
3388         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3389
3390 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3391
3392         PR other/29972
3393         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3394         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3395         (RS/6000 and PowerPC Options): Fix typos and markup.
3396         * doc/passes.texi (Tree-SSA passes): Likewise.
3397
3398 2008-02-02  Michael Matz  <matz@suse.de>
3399
3400         PR target/35045
3401         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3402         from record_last_reg_set_info.
3403         (record_last_reg_set_info): Take an RTX argument, iterate over all
3404         constituent hardregs.
3405         (record_last_set_info, record_opr_changes): Change calls to
3406         new signature or to record_last_reg_set_info_regno.
3407
3408 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3409
3410         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3411
3412 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3413
3414         PR rtl-optimization/34773
3415         * reg-notes.def (EQUAL): Mention significance of combination of
3416         REG_EQUAL and REG_RETVAL.
3417         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3418         insn that has a REG_RETVAL.
3419
3420 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3421
3422         PR bootstrap/33781
3423         * configure.ac (--enable-fixed-point): Disable unless explicitly
3424         requested on IRIX.
3425         * configure: Regenerate.
3426
3427 2008-02-01  Richard Guenther  <rguenther@suse.de>
3428
3429         PR other/35042
3430         * invoke.texi (-finline-limit): Remove no longer true parts
3431         of the documentation.  Note that there is no default value.
3432
3433 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3434             Mark Mitchell  <mark@codesourcery.com>
3435             Ben Elliston  <bje@au.ibm.com>
3436
3437         PR c/29326
3438         * doc/extend.texi (Other Builtins): Document.
3439
3440 2008-01-31  Tom Browder <tom.browder@gmail.com>
3441
3442         * doc/c-tree.texi (Types): Fix grammar.
3443         (Expression trees): Ditto.
3444         * doc/passes.texi (Tree-SSA passes): Ditto.
3445         
3446         * doc/configterms.texi (Configure Terms): Fix typo.
3447         * doc/cpp.texi (Common Predefined Macros): Ditto.
3448         * doc/md.texi (Machine Constraints): Ditto.
3449         
3450         * doc/makefile.texi (Makefile): Add comma.
3451
3452 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3453             Gerald Pfeifer  <gerald@pfeifer.com>
3454         
3455         * doc/sourcebuild.texi (Front End): Remove references to CVS
3456         and CVSROOT/modules.
3457         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3458         (Back End): Remove reference to CVS.
3459
3460 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3461
3462         PR target/34900
3463         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3464         comment from...
3465         (mips16_gp_pseudo_reg): ...here.
3466         * config/mips/mips.md (load_const_gp): Replace with...
3467         (load_const_gp_<mode>): ...this :P-based insn.
3468
3469 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3470
3471         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3472         options. Minor fixes.
3473         (-std): Move reference to standards closer to where language
3474         standards are first mentioned.
3475         
3476 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3477
3478         PR rtl-optimization/34995
3479         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3480         parameter and return a bool.  If the rtx parameter is nonnull,
3481         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3482         (find_reloads): Update call accordingly.  Pass the new operand
3483         if it needed no address reloads, otherwise pass null.
3484
3485 2008-01-30  Richard Henderson  <rth@redhat.com>
3486
3487         PR c/34993
3488         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3489         for unbounded arrays.
3490
3491 2008-01-30  Silvius Rus  <rus@google.com>
3492
3493         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3494
3495 2008-01-30  Jan Hubicka  <jh@suse.cz>
3496
3497         PR target/34982
3498         * i386.c (init_cumulative_args): Use real function declaration when
3499         calling locally.
3500
3501 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3502
3503         PR rtl-optimization/34998
3504         * global.c (build_insn_chain): Treat non-subreg_lowpart
3505         SUBREGs of pseudos as clobbering all the words covered by the
3506         SUBREG, not just all the bytes.
3507         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3508         original df_ref rather than an extract parameter.
3509         (global_conflicts): Update call accordingly.
3510
3511 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3512
3513         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3514         the overflow check to make it easier to read.
3515         (__fixtfdi): Change the type of the ll member in union
3516         long_double to UDItype_x.
3517
3518 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3519
3520         PR middle-end/34969
3521         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3522         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3523         * tree-inline.c (fold_marked_statements): Call
3524         cgraph_update_edges_for_call_stmt if folding a call statement.
3525         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3526         debug_generic_stmt calls, reset it back afterwards.
3527
3528         PR c/35017
3529         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3530         static decls.
3531         * c-typeck.c (build_external_ref): Don't pedwarn about
3532         static vars in current function's scope.
3533
3534 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3535
3536         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3537
3538 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3539
3540         PR c/35002
3541         * ipa-struct-reorg.c: Fix spelling.
3542         * params.def: Ditto.
3543
3544 2008-01-29  Richard Guenther  <rguenther@suse.de>
3545
3546         PR middle-end/35006
3547         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3548         field.
3549         * tree-inline.c (remap_type): Increment remapping_type_depth
3550         around remapping types.
3551         (copy_body_r): Only add referenced variables if they are referenced
3552         from code, not types.
3553
3554 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3555
3556         PR c++/34055
3557         PR c++/34103
3558         PR c++/34219
3559         PR c++/34606
3560         PR c++/34753
3561         PR c++/34754
3562         PR c++/34755
3563         PR c++/34919
3564         PR c++/34961
3565         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3566         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3567
3568 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3569
3570         PR target/34412
3571         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3572         pointer for tiny stack.
3573
3574 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3575
3576         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3577
3578 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3579
3580         * config/vx-common.h: Fix typo in comment.
3581
3582 2008-01-28  Ian Lance Taylor  <iant@google.com>
3583
3584         PR c++/34862
3585         PR c++/33407
3586         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3587         coalesce pointers if they have different DECL_NO_TBAA_P values.
3588         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3589         between variables with different DECL_NO_TBAA_P values.
3590
3591 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3592
3593         PR 31535
3594         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3595         are not legitimate small data references on SPE targets.
3596
3597 2008-01-28  David Daney  <ddaney@avtrex.com>
3598
3599         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3600
3601 2008-01-28  David Daney  <ddaney@avtrex.com>
3602
3603         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3604
3605 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3606
3607         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3608         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3609         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3610         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3611         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3612         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3613         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3614         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3615
3616 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3617
3618         * basic-block.h (condjump_equiv_p): Fix comment.
3619
3620 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3621
3622         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3623         print_generic_stmt_indented): Fix comment.
3624
3625 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3626
3627         * configure.ac (__stack_chk_fail): Add detecion for availability
3628         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3629         * configure: Regenerate.
3630
3631 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3632
3633         PR middle-end/34688
3634         * final.c (output_addr_const): Handle TRUNCATE.
3635
3636 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3637
3638         PR target/34711
3639         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3640         (zero_cost, infinite_cost): New constants.
3641         (struct cost_pair): Change type of cost to comp_cost.
3642         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3643         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3644         New functions.
3645         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3646         split_address_cost, ptr_difference_cost, difference_cost,
3647         get_computation_cost_at, get_computation_cost,
3648         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3649         determine_use_iv_cost_condition, determine_use_iv_costs,
3650         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3651         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3652         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3653         Change type of cost to comp_cost.
3654         (determine_iv_cost): Increase cost of non-original ivs, instead
3655         of decreasing the cost of original ones.
3656         (get_address_cost): Indicate the complexity of the addressing mode 
3657         in comp_cost.
3658         (try_add_cand_for): Prefer using ivs not specific to some object.
3659         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3660
3661 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3662             Janis Johnson  <janis187@us.ibm.com>
3663
3664         PR target/34814
3665         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3666         (TARGET_INSTANTIATE_DECLS): Likewise.
3667         * target.h (expand_to_rtl_hook): New target hook.
3668         (instantiate_decls): Likewise.
3669         * function.c (instantiate_decl): Make non-static.  Rename to...
3670         (instantiate_decl_rtl): ... this.
3671         (instantiate_expr): Use instantiate_decl_rtl.
3672         (instantiate_decls_1): Likewise.
3673         (instantiate_decls): Likewise.
3674         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3675         * function.h (instantiate_decl_rtl): Add prototype.
3676         * cfgexpand.c (target.h): New include.
3677         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3678         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3679         (TARGET_INSTANTIATE_DECLS): Likewise.
3680         (TARGET_INITIALIZER): New target hooks added.
3681         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3682         New prototype.
3683         * config/rs6000/rs6000.c (tree-flow.h): New include.
3684         (machine_function): Add sdmode_stack_slot field.
3685         (rs6000_alloc_sdmode_stack_slot): New function.
3686         (rs6000_instantiate_decls): Likewise.
3687         (rs6000_secondary_memory_needed_rtx): Likewise.
3688         (rs6000_check_sdmode): Likewise.
3689         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3690         (TARGET_INSTANTIATE_DECLS): Likewise.
3691         (rs6000_hard_regno_mode_ok): Allow SDmode.
3692         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3693         (rs6000_emit_move): Handle SDmode.
3694         (function_arg_advance): Likewise.
3695         (function_arg): Likewise.
3696         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3697         SDmode var args for 32-bit compiles.
3698         (rs6000_secondary_reload_class): Handle SDmode.
3699         (rs6000_output_function_epilogue): Likewise.
3700         (rs6000_function_value): Simplify if statement.
3701         (rs6000_libcall_value): Likewise.
3702         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3703         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3704         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3705         (movsd_hardfloat): New define_insn.
3706         (movsd_softfloat): Likewise.
3707         (movsd_store): Likewise.
3708         (movsd_load): Likewise.
3709         (extendsddd2): Likewise.
3710         (extendsdtd2): Likewise.
3711         (truncddsd2): Likewise.
3712         (movdd_hardfloat64): Fixup comment.
3713         (UNSPEC_MOVSD_LOAD): New constant.
3714         (UNSPEC_MOVSD_STORE): Likewise.
3715
3716 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR c++/34965
3719         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3720         TRUTH_XOR_EXPR.
3721         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3722         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3723         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3724         and TRUTH_XOR_EXPR.
3725
3726 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3727
3728         PR target/34794
3729         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3730         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3731         __LONGDOUBLE128 too.
3732         * config/rs6000/aix61.h: New file.
3733
3734 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3735
3736         PR rtl-optimization/34959
3737         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3738         popcount and parity rtxes the same mode as their operand.
3739         Truncate or extend the result to the return value's mode
3740         if necessary.
3741
3742 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3743
3744         PR target/34981
3745         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3746         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3747         to GOT_VERSION_REGNUM.
3748         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3749         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3750         * config/mips/mips.c (mips_emit_call_insn): New function.
3751         (mips_call_tls_get_addr): Call mips_expand_call directly.
3752         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3753         emit_call_insn.
3754         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3755         (mips_expand_call): Update the call to mips16_build_call_stub
3756         accordingly and a remove redundant condition.  Assert that MIPS16
3757         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3758         the call insn.
3759         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3760         TARGET_USE_GOT.
3761         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3762         (mips_avoid_hazard): Remove hazard_set handling.
3763         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3764         (UNSPEC_RESTORE_GP): ...this.
3765         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3766         (FAKE_CALL_REGNO): Rename to...
3767         (GOT_VERSION_REGNUM): ...this.
3768         (type): Add "ghost" value.  Add an associated insn reservation.
3769         (hazard_set): Remove.
3770         (exception_receiver): Rename to...
3771         (restore_gp): ...this and update the unspec identifier accordingly.
3772         (exception_receiver, nonlocal_got_receiver): New expanders.
3773         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3774         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3775         (set_got_version, update_got_version): New patterns.
3776
3777 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3778
3779         PR target/34970
3780         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3781
3782 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3783
3784         PR other/31955
3785         * doc/install.texi2html: Generate gcc-vers.texi.
3786
3787 2008-01-25  DJ Delorie  <dj@redhat.com>
3788
3789         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3790
3791 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3792
3793         * config/c4x: Remove directory.
3794         * config.gcc (crx-*, mt-*): Mark obsolete.
3795         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3796         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3797         sh-*-rtemscoff*): Remove cases.
3798         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3799         * real.c (encode_c4x_single, decode_c4x_single,
3800         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3801         c4x_extended_format): Remove.
3802         * real.h (c4x_single_format, c4x_extended_format): Remove.
3803         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3804         on C4x.
3805         (Pragmas): Remove comment about c4x pragmas.
3806         * doc/install.texi (c4x): Remove target-specific instructions.
3807         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3808         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3809         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3810         refer to C4x source files as examples.
3811         (C4X_FLOAT_FORMAT): Remove documentation.
3812
3813 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3814
3815         * config/bfin/bfin.c (override_options): Reorder tests so that
3816         flag_pic gets enabled for -msep-data.
3817
3818 2008-01-25  Richard Guenther  <rguenther@suse.de>
3819
3820         PR middle-end/32244
3821         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3822         to its bitfield precision if required.
3823
3824 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3825
3826         PR middle-end/33880
3827         * tree-nested.c (walk_omp_for): New function.
3828         (convert_nonlocal_reference, convert_local_reference): Call
3829         walk_omp_for on OMP_FOR.
3830         (convert_call_expr): Call walk_body on OMP_FOR's
3831         OMP_FOR_PRE_INIT_BODY.
3832
3833 2008-01-25  Richard Guenther  <rguenther@suse.de>
3834
3835         PR tree-optimization/34966
3836         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3837         default defs and PHI_NODEs we have to insert after the
3838         defining statement.
3839
3840 2008-01-24  Nick Clifton  <nickc@redhat.com>
3841
3842         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3843         Provide a default definition.
3844         (LIBGCC2_UNITS_PER_WORD): Likewise.
3845
3846         * config/stormy16/stormy16.c: Include df.h for the prototype
3847         for df_regs_ever_live_p.
3848         (xstormy16_expand_builtin_va_start): Convert the stack offset
3849         into a component_ref and then use POINTER_PLUS_EXPR to add it
3850         to the incoming_virtual_args_rtx.
3851         (xstormy16_gimplify_va_arg_expr): Rename to
3852         xstormy16_gimplify_va_arg_expr.
3853         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3854         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3855         xstormy16_gimplify_va_arg_expr.
3856         Fix up some formatting issues.
3857
3858         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3859         Move to predicates.md.
3860         (xs_hi_general_operand): Likewise.
3861         (xs_hi_nonmemory_operand): Likewise.
3862         * config/stormy16/predicates.md:
3863         (xstormy16_carry_plus_operand): New predicate.
3864         (xs_hi_general_operand): New predicate.
3865         (xs_hi_nonmemory_operand): New predicate.
3866         * config/stormy16/stormy16-protos.h:
3867         (xstormy16_carry_plus_operand): Delete prototype.
3868         (xs_hi_general_operand): Likewise.
3869         (xs_hi_nonmemory_operand): Likewise.
3870
3871         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3872         modifiers as they are no longer needed and they can trigger
3873         reload spill failures.
3874
3875         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3876         with a match_operand in order to help reload.
3877
3878         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3879         constraint with 'e' for the 8th alternative as this version of
3880         the mov.w instruction only accepts the lower 8 registers.
3881
3882 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3883
3884         PR target/34856
3885         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3886         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3887         vector elements.
3888
3889 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3890
3891         PR middle-end/33333
3892         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3893
3894 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3895
3896         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3897         New functions.
3898         (remove_structure): Update allocations list before removing structure.
3899         
3900 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3901
3902         * ipa-struct-reorg.c (is_safe_cond_expr, 
3903         create_new_stmts_for_cond_expr): Use integer_zerop function,
3904         that recognize not only zero-pointer, but zero-integer too.
3905
3906 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3907
3908         PR other/22232
3909         * fixproto: Escape "." in sed expression that strips leading "./".
3910
3911 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3912
3913         PR driver/34904
3914         * gcc.c (SWITCH_OK): Removed.
3915         (SWITCH_LIVE): Changed to bit.
3916         (SWITCH_FALSE): Likewise.
3917         (SWITCH_IGNORE): Likewise.
3918         (switchstr): Change live_cond to unsigned int.
3919         (process_command): Replace SWITCH_OK with 0.
3920         (do_self_spec): Likewise.
3921         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3922         (give_switch): Likewise.
3923         (used_arg): Likewise.
3924         (do_spec_1): Set the SWITCH_IGNORE bit.
3925         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3926         bits.  Set the SWITCH_LIVE bit.
3927
3928 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3929
3930         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3931
3932 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3933
3934         PR tree-optimization/34472
3935         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3936         parameter to a "bool *" and set *DATA to false if there is
3937         an unsafe access.  Do not delete the structure here.
3938         (check_cond_exprs): Delete it here instead.
3939         (check_cond_exprs, exclude_cold_structs): Do not increase
3940         I when removing a structure.
3941
3942 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3943
3944         PR target/34856
3945         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3946         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3947
3948 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3949
3950         PR middle-end/34934
3951         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3952         a fixed vector for stack.
3953
3954 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3955
3956         PR c++/25701
3957         * doc/gcc.texi (Software development): Add a direntry for g++.
3958         
3959 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3960
3961         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3962         stale and straggling -fforce-addr comments above.
3963
3964         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3965         define.
3966         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3967         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3968
3969 2008-01-23  Michael Matz  <matz@suse.de>
3970
3971         PR debug/34895
3972         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3973         gen_type_die.
3974
3975 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3976
3977         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3978         malloc result type.
3979
3980 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3981
3982         * config/avr/avr.c (avr_current_arch): New variable.
3983         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3984         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3985         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3986         (avr_override_options): Init 'avr_current_arch'. 
3987         (base_arch_s): Move from here...
3988         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3989         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3990         'mega' to 'have_jmp_call'.
3991         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3992         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3993         macros.
3994         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3995         architectures.
3996         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3997         MULTILIB_MATCHES): (Ditto.).
3998
3999 2008-01-23  Richard Guenther  <rguenther@suse.de>
4000
4001         PR middle-end/31529
4002         * cgraphunit.c (cgraph_reset_node): Always mark the node
4003         not reachable if it is not queued already.
4004
4005 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4006
4007         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4008         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4009         (cputype_selected): New static variable.
4010         (bfin_handle_option): Set it if -mcpu is used.
4011         (override_option): Select default set of workarounds if no cpu type
4012         selected on the command line.
4013         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4014
4015         From  Michael Frysinger  <michael.frysinger@analog.com>
4016         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4017         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4018
4019         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4020         for bf547, bf523, bf524, and bf526.
4021         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4022         bf526.
4023         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4024         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4025         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4026         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4027         * doc/invoke.texi (Blackfin Options): Document that
4028         -mcpu now accept bf547, bf523, bf524, and bf526.
4029
4030 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4031
4032         PR rtl-optimization/34628
4033         * combine.c (try_combine): Stop and undo after the first combination
4034         if an autoincrement side-effect on the first insn has effectively
4035         been lost.
4036
4037 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4038
4039         PR target/34529
4040         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4041         Offset addresses are not valid for Altivec or paired float modes.
4042
4043 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4044
4045         PR c++/34607
4046         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4047         if DECL_INITIAL (decl) is error_mark_node.
4048
4049         PR c++/34914
4050         * c-common.c (handle_vector_size_attribute): Only allow
4051         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4052         the same way as pointer, array etc. types.
4053         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4054
4055         PR c++/34917
4056         * tree.c (build_type_attribute_qual_variant): Call
4057         build_qualified_type if attributes are equal, but quals are not.
4058
4059 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4060
4061         PR 32102
4062         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4063         * flags.h (warn_strict_aliasing): Remove.
4064         (warn_strict_overflow): Remove.
4065         * opts.c (warn_strict_aliasing): Remove.
4066         (warn_strict_overflow): Remove.
4067         * c-opts.c (c_common_handle_option): -Wall only sets
4068         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4069         (c_common_post_options): Give default values to -Wstrict-aliasing
4070         and -Wstrict-overflow if they are uninitialized.
4071         * common.opt (Wstrict-aliasing): Specify Var and Init.
4072         (Wstrict-overflow): Likewise.
4073
4074 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4075
4076         PR rtl-optimization/26854
4077         PR rtl-optimization/34400
4078         PR rtl-optimization/34884
4079         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4080         DF_RD->gen.
4081         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4082         (df_rd_bb_info.expanded_lr_out): Deleted
4083         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4084         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4085         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4086         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4087         Removed code to allocate, initialize or free expanded_lr_out.
4088         (df_rd_bb_local_compute_process_def): Restructured to make more
4089         understandable.
4090         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4091         sets if the sets are being trimmed.
4092
4093 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4094
4095         PR bootstrap/32287
4096         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4097         (as_vers): Likewise.
4098         * configure: Regenerated.
4099
4100 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4101
4102         PR middle-end/33092
4103         * tree-pass.h (pass_build_alias): New pass.
4104         * tree-ssa-alias.c (gate_build_alias): New.
4105         (pass_build_alias): New.
4106         * passes.c (init_optimization_passes): Add pass_build_alias after
4107         pass_create_structure_vars.
4108
4109 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4110
4111         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4112         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4113         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4114         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4115         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4116         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4117         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4118         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4119         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4120         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4121         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4122         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4123         * config/s390/s390.md (FP_ALL): New mode iterator.
4124         (_d): New mode attribute.
4125         ("*signbit<mode>2>"): Changed mode of first operand.
4126         ("isinf<mode>2"): Changed mode of first operand.
4127         ("*TDC_insn"): Adaptation for DFP modes.
4128
4129 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4130
4131         * tree.c (check_qualified_type): Improve function description.
4132
4133 2008-01-21  Jason Merrill  <jason@redhat.com>
4134
4135         PR c++/34196
4136         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4137         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4138         if it is set.
4139
4140 2008-01-21  DJ Delorie  <dj@redhat.com>
4141
4142         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4143         return zero.
4144
4145 2008-01-21  Richard Guenther  <rguenther@suse.de>
4146
4147         PR middle-end/34856
4148         * tree-cfg.c (verify_expr): Allow all invariant expressions
4149         instead of just constant class ones as reference argument.
4150         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4151         like any other constant.
4152         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4153
4154 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4155
4156         * regmove.c (fixup_match_1): Update call crossed frequencies.
4157
4158 2008-01-21  Richard Guenther  <rguenther@suse.de>
4159
4160         PR c/34885
4161         * tree-inline.c (setup_one_parameter): Deal with mismatched
4162         types using a VIEW_CONVERT_EXPR.
4163
4164 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4165             Olga Golovanevsky  <olga@il.ibm.com>
4166         
4167         PR tree-optimization/34701
4168         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4169         when the structure size is not a power of 2.
4170
4171 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4172
4173         * doc/install.texi: Add doc for --enable-checking=df.
4174         
4175 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4176
4177         PR rtl-optimization/34808
4178         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4179
4180 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4181
4182         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4183         input.
4184
4185 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4186
4187         PR rtl-optimization/26854
4188         PR rtl-optimization/34400
4189         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4190         DF_RD->gen.
4191         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4192         (df_rd_bb_info.expanded_lr_out): New.
4193         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4194         * loop_iv.c (iv_analysis_loop_init): Ditto.
4195         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4196         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4197         Added code to allocate, initialize or free expanded_lr_out.
4198         (df_rd_bb_local_compute_process_def): Restructured to make
4199         more understandable.
4200         (df_rd_confluence_n): Add code to do nothing with fake edges and
4201         code to no apply invalidate_by_call sets if the sets are being trimmed.
4202         (df_lr_local_finalize): Renamed to df_lr_finalize.
4203         (df_live_local_finalize): Renamed to df_live_finalize.
4204
4205 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4206
4207         PR target/34831
4208         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4209         deciding whether to use reciprocal instructions.
4210
4211 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4212
4213         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4214         dwarf2out_note_section_used if cold_text_section is NULL.
4215
4216 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4217
4218         PR gcov-profile/34610
4219         * tree-cfg.c (make_edges): Mark both outgoing edges from
4220         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4221         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4222         from OMP_FOR and OMP_CONTINUE outgoing edges.
4223
4224         * tree-profile.c (tree_profiling): Return early if
4225         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4226         at the end.
4227         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4228         from cfun to child_cfun.
4229         * function.h (struct function): Add after_tree_profile bit.
4230
4231 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4232
4233         * config/avr/avr.S (_exit): Disable interrupt.
4234
4235 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4236             Steven Bosscher  <stevenb.gcc@gmail.com>
4237
4238         PR rtl-optimization/26854
4239         PR rtl-optimization/34400
4240         * df-problems.c (df_live_scratch): New scratch bitmap.
4241         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4242         (df_live_reset): Clear the proper bitmaps.
4243         (df_live_bb_local_compute): Only process the artificial defs once
4244         since the order is not important.
4245         (df_live_init): Init the df_live sets only with the variables
4246         found live by df_lr.
4247         (df_live_transfer_function): Use the df_lr sets to prune the
4248         df_live sets as they are being computed.  
4249         (df_live_free): Free df_live_scratch.
4250
4251 2008-01-18  Ian Lance Taylor  <iant@google.com>
4252
4253         * common.opt: Add fmerge-debug-strings.
4254         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4255         flag_merge_debug_strings rather than flag_merge_constants.
4256         * doc/invoke.texi (Option Summary): Mention
4257         -fmerge-debug-strings.
4258         (Debugging Options): Document -fmerge-debug-strings.
4259
4260 2008-01-18  Ian Lance Taylor  <iant@google.com>
4261
4262         PR c++/33407
4263         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4264         (struct tree_function_decl): Add new field operator_new_flag.
4265         * tree-inline.c (expand_call_inline): When inlining a call to
4266         operator new, force the return value to go into a variable, and
4267         set DECL_NO_TBAA_P on that variable.
4268         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4269
4270 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4271
4272         PR debug/34484
4273         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4274         DWARF2_DEBUGGING_INFO.
4275         (dwarf2out_note_section_used): Ditto.  Add prototype.
4276         (have_multiple_function_sections, text_section_used,
4277         cold_text_section_used, *cold_text_sections): Move declarations
4278         before their uses.
4279
4280 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4281
4282         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4283         field and add signal_ra.
4284         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4285         assignments to frame state pc.  Move end of stack check after
4286         MD_FALLBACK_FRAME_STATE_FOR.
4287         (uw_update_context_1): Use frame state signal_regs if set, instead
4288         of checking signal_frame flag.
4289         (uw_update_context): Use frame state signal_ra if set.
4290         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4291         * config/xtensa/linux-unwind.h: New file.
4292
4293 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4294
4295         * modulo-sched.c (get_sched_window): Fix comment typo.
4296
4297 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4298
4299         PR tree-optimization/34648
4300         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4301
4302 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4303
4304         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4305         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4306
4307 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4308
4309         PR rtl-optimization/34400
4310         * df-core.c (df_worklist_dataflow_overeager,
4311         df_worklist_dataflow_doublequeue): New functions.
4312         (df_worklist_dataflow): Two different worklist solvers.
4313         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4314         New param.
4315
4316 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         PR testsuite/34821
4319         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4320         and ftree-parallelize-loops.
4321
4322 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4323
4324         PR rtl-optimization/34826
4325         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4326
4327 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4328
4329         * global.c (find_reg): Mark the eh regs as used if necessary.
4330         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4331         * ra.h (struct allocno): no_eh_reg field added.  Changed
4332         no_stack_reg type to bitfield.
4333
4334 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4335
4336         * tree.c (substitute_in_expr): Add missing 'break'.
4337
4338 2008-01-17  Richard Guenther  <rguenther@suse.de>
4339
4340         PR tree-optimization/34825
4341         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4342         x / x as division to handle.
4343
4344 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4345
4346         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4347         "-pthread" is specified.
4348         * pa-hpux11.h (LIB_SPEC): Likewise.
4349
4350 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4351             Peter Bergner  <bergner@vnet.ibm.com>
4352
4353         PR rtl-optimization/33796
4354         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4355
4356 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4357
4358         PR libgfortran/34699
4359         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4360         static links.
4361         * pa-hpux10.h (LINK_SPEC): Likewise.
4362         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4363
4364 2008-01-16  Richard Guenther  <rguenther@suse.de>
4365
4366         PR middle-end/32628
4367         * fold-const.c (fold_convert_const_int_from_int): Do not
4368         set overflow if that occured only because of a sign extension
4369         change when converting from/to a sizetype with the same
4370         precision and signedness.
4371
4372 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4373
4374         PR debug/34249
4375         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4376         location address to the correct place.  Update copyright year.
4377
4378 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4381         no dependences in the dependence_relations vector.
4382
4383 2008-01-16  Jan Hubicka  <jh@suse.cz>
4384
4385         PR rtl-optimization/31396
4386         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4387         * cfg.c (dump_reg_info): Print it.
4388         * regs.h (struct reg_info_t): add freq_calls_crossed.
4389         (REG_FREQ_CALLS_CROSSED): New macro.
4390         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4391         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4392         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4393         regmove_optimize): Update call crossed frequencies.
4394         * local-alloc.c (struct qty): Add freq_calls_crossed.
4395         (alloc_qty): Copute freq_calls_crossed.
4396         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4397         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4398         * ra.h (struct allocno): Add freq_calls_crossed.
4399
4400 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4403         libgomp when compiling with ftree-parallelize-loops.
4404         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4405
4406 2008-01-16  Richard Guenther  <rguenther@suse.de>
4407
4408         PR tree-optimization/34769
4409         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4410         * tree.c (int_cst_value): Instead make this function more
4411         permissive in what it accepts as valid input.  Document this
4412         function always sign-extends the value.
4413
4414 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4415             Richard Guenther  <rguenther@suse.de>
4416
4417         PR c/34668
4418         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4419         (gimple_fold_indirect_ref_rhs): ... this.
4420         (gimple_fold_indirect_ref): New function with foldings
4421         that preserve lvalueness.
4422         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4423         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4424         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4425         to fold an INDIRECT_REF, fall back to the old use of
4426         fold_indirect_ref_1.
4427
4428 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4429
4430         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4431         free_conflict_function.
4432         (compute_self_dependence): Same.
4433
4434 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4435
4436         PR debug/34249
4437         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4438         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4439         function global.
4440         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4441         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4442         for DWARF2_UNWIND_INFO targets.
4443
4444 2008-01-16  Richard Guenther  <rguenther@suse.de>
4445
4446         PR c/34768
4447         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4448         type qualifiers for function types.
4449
4450 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4451
4452         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4453         loop_iterator li from previous commit.
4454
4455 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4456
4457         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4458
4459 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4460
4461         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4462         (parallelize_loops): Don't parallelize irreducible components.
4463
4464 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4465
4466         PR c++/24924
4467         * c-opts (c_common_post_options): Do not enable CPP
4468         flag_pedantic_errors by default.
4469         
4470 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4471
4472         PR rtl-optimization/31944
4473         * cse.c (remove_pseudo_from_table): New function.
4474         (merge_equiv_classes): Use above function to remove pseudo-registers.
4475         (invalidate): Likewise.
4476
4477 2008-01-13  Richard Guenther  <rguenther@suse.de>
4478
4479         PR middle-end/34601
4480         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4481         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4482
4483 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4484
4485         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4486         validate_change to unshare the source of the PC set.
4487
4488 2008-01-12  Jan Hubicka  <jh@suse.cz>
4489
4490         PR middle-end/32135
4491         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4492         references above array bounds.  This might trigger bounds checks for
4493         pointers to arrays.
4494
4495 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4496
4497         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4498         new_replaceable_dependencies.
4499
4500 2008-01-12  Doug Kwan  <dougkwan@google.com>
4501
4502         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4503         instead of OPT_Wreturn_type in warning due to ignored return type
4504         qualifiers.
4505         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4506         options included in -Wextra.
4507         * c.opt: New option -Wignored_qualifiers.
4508         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4509         -Wignore_qualifiers.
4510         (-Wignored-qualifiers): Document.
4511         (-Wreturn-type): Remove description of functionality now handled
4512         by -Wignored-qualifiers.
4513
4514 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4515
4516         PR ada/33788
4517         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4518         NOP_EXPR if it is between integral types with the same precision.
4519
4520 2008-01-12  Jan Hubicka  <jh@suse.cz>
4521
4522         PR other/28023
4523         * invoke.texi (max-inline-recursive-depth): Fix default value.
4524
4525 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4526
4527         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4528         correct type.
4529
4530 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4531         
4532         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4533         
4534 2008-01-11  James E. Wilson  <wilson@specifix.com>
4535
4536         PR target/26015
4537         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4538
4539 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4540
4541         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4542         save/restore frame pointer register and don't use 'call-prologues' 
4543         optimization in function with "OS_task" attribute.
4544
4545 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4546
4547         PR middle-end/31309
4548         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4549         when copying to memory.
4550
4551 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4552
4553         PR rtl-optimization/30905
4554         * cfgcleanup.c: Include dce.h
4555         (crossjumps_occured): New global variable.
4556         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4557         If something changed, set crossjumps_occured to true.
4558         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4559         Don't add/remove fake edges to exit here...
4560         (cleanup_cfg): ...but do it here, when crossjumping.
4561         Run a fast DCE when successful crossjumps occured in the latest
4562         iteration of try_optimize_cfg.
4563
4564 2008-01-11  Richard Guenther  <rguenther@suse.de>
4565
4566         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4567         (struct vn_unary_op_s): Likewise.
4568         (vn_reference_insert): Free old reference on hash collision.
4569
4570 2008-01-10  Raksit Ashok  <raksit@google.com>
4571
4572         PR rtl-optimization/27971
4573         * combine.c (find_split_point): Split PLUS expressions which are
4574         inside a MEM rtx, and whose first operand is complex.
4575
4576 2008-01-10  DJ Delorie  <dj@redhat.com>
4577
4578         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4579         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4580         (m32c_hard_regno_ok): Call the underlying function.
4581
4582 2008-01-10  Richard Guenther  <rguenther@suse.de>
4583
4584         PR middle-end/34683
4585         * tree-cfg.c (tree_merge_blocks): Do not go through the
4586         full-blown folding and stmt updating path if we just deal
4587         with virtual operands.
4588         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4589         test for abnormal SSA_NAMEs.
4590
4591 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4592
4593         PR middle-end/34641
4594         * reload.c (push_reload): Add assertions.  All constants from
4595         reg_equiv_constant should have been used for replacing the respective
4596         pseudo earlier.
4597         (find_reloads_address): Invoke find_reloads_address_part for
4598         constant taken from the reg_equiv_constant array.
4599
4600 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4601
4602         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4603         field (valnum) the first in the struct.  Replace bools with
4604         unit bit fields.
4605
4606 2008-01-10  Richard Guenther  <rguenther@suse.de>
4607
4608         PR tree-optimization/34651
4609         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4610         types and ordering for masking and converting.
4611
4612 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         PR tree-optimization/34017
4615         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4616         also for PHI_NODE expressions.
4617
4618 2008-01-09  Jan Hubicka  <jh@suse.cz>
4619
4620         PR tree-optimization/34708
4621         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4622         based on number of case labels.
4623         (init_inline_once): Remove switch_cost.
4624         * tree-inline.h (eni_weights_d): Remove switch_cost.
4625
4626 2008-01-09  Richard Guenther  <rguenther@suse.de>
4627         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4628
4629         PR middle-end/30132
4630         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4631         temporary if an rvalue is ok or an lvalue is not required.
4632
4633 2008-01-09  Richard Guenther  <rguenther@suse.de>
4634
4635         PR middle-end/34458
4636         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4637         adjust return type.
4638
4639 2008-01-09  Richard Guenther  <rguenther@suse.de>
4640
4641         PR middle-end/34679
4642         * tree.c (host_integerp): Check for sizetype only if the
4643         type is an integer type.
4644
4645 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4646
4647         PR debug/26364
4648         * opts.c (decode_options): Disable inlining of functions called
4649         once if not in unit-at-a-time mode.
4650
4651 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4652
4653         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4654
4655 2008-01-08  Richard Guenther  <rguenther@suse.de>
4656
4657         PR middle-end/31863
4658         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4659         out early if the result will be unused.
4660
4661 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4662
4663         PR target/34709
4664         Revert:
4665
4666         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4667         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4668         for TARGET_RECIP.       
4669         
4670 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4671         
4672         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4673         for vectorization tuned.
4674         
4675 2008-01-08  Richard Guenther  <rguenther@suse.de>
4676
4677         PR tree-optimization/34683
4678         * tree-ssa-operands.c (operand_build_cmp): Export.
4679         * tree-ssa-operands.h (operand_build_cmp): Declare.
4680         * tree-vn.c (vuses_compare): Remove.
4681         (sort_vuses): Use operand_build_cmp.
4682         (sort_vuses_heap): Likewise.
4683         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4684         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4685         (vdefs_to_vec): Do not sort already sorted VDEFs.
4686
4687 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4688
4689         PR middle-end/34694
4690         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4691
4692 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4693
4694         PR target/34702
4695         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4696         limitations of reciprocal sequences on x86 targets.
4697
4698 2008-01-08  Richard Guenther  <rguenther@suse.de>
4699
4700         PR tree-optimization/34683
4701         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4702
4703 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4704
4705         PR target/34622
4706         * config/darwin.c (darwin_mergeable_string_section): Don't use
4707         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4708
4709 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4710
4711         PR target/34682
4712         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4713         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4714         predicates of op0 and op1 to register_operand.
4715         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4716         expander using X87MODEF mode iterator.  Change predicates of
4717         op0 and op1 to register_operand.
4718         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4719         corresponding patterns and macroize using MODEF macro.  Change
4720         predicates of op0 and op1 to register_operand and remove
4721         "m" constraint. Disparage "r" alternative with "!".
4722         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4723         macroize using X87MODEF macro.  Change predicates of op0 and op1
4724         to register_operand and remove "m" constraint.  Disparage "r"
4725         alternative with "!".
4726         (absneg splitter with memory operands): Remove.
4727         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4728         patterns and macroize using X87MODEF mode iterator.
4729         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4730         Change predicate of op1 to register_operand.
4731         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4732         for memory operands.
4733
4734 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4735
4736         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4737
4738 2008-01-07  Richard Guenther  <rguenther@suse.de>
4739
4740         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4741         fields.
4742
4743 2008-01-07  Richard Guenther  <rguenther@suse.de>
4744
4745         PR tree-optimization/34683
4746         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4747         VOPs of the needed size to save memory.  Use VEC_quick_push
4748         to save compile-time.
4749         (vdefs_to_vec): Likewise.
4750
4751 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4752
4753         * config/spu/spu.md (divdf3): Genetate inline code for double
4754         division.  The implementation doesn't handle INF or NAN, therefore it
4755         only applies when -ffinite-math-only is given.
4756
4757 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4758
4759         PR libstdc++/34680
4760         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4761         * doc/cpp.texi ([Common Predefined Macros]): Document.
4762
4763 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4764
4765         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4766         order to use commutative addition instead of subtraction.
4767
4768 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4769             Mircea Namolaru  <namolaru@il.ibm.com>
4770             Vladimir Yanovsky  <yanov@il.ibm.com>
4771             Revital Eres  <eres@il.ibm.com>
4772
4773         PR tree-optimization/34263
4774         * tree-outof-ssa.c (process_single_block_loop_latch,
4775         contains_tree_r): New functions.
4776         (analyze_edges_for_bb): Call process_single_block_loop_latch
4777         function to empty single-basic-block latch block if possible.
4778
4779 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4780
4781         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4782         for TARGET_RECIP.
4783         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4784
4785 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4786
4787         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4788
4789 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4790
4791         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4792
4793 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4794
4795         PR tree-optimization/34618
4796         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4797         flag from T.
4798
4799 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4800
4801         PR target/34673
4802         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4803         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4804         Update copyright year.
4805
4806         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4807         Update copyright year.
4808         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4809         using NR fixup.
4810
4811 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4812
4813         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4814         edge does not point to current bb before changing need_assert.
4815
4816 2008-01-04  Richard Guenther  <rguenther@suse.de>
4817
4818         PR middle-end/34029
4819         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4820         for verifying purposes if they are is_gimple_min_invariant.
4821
4822 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4823
4824         PR tree-optimization/34448
4825         PR tree-optimization/34465
4826         * gimplify.c (gimplify_init_constructor): Add new parameter
4827         notify_temp_creation.  Use it.
4828         (gimplify_modify_expr_rhs): Take volatiles into account when
4829         optimizing constructors.
4830         Do not optimize constructors if gimplify_init_constructor will dump to
4831         memory.
4832         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4833         * gcc.c-torture/compile/pr34448.c: New.
4834
4835 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4836
4837         PR gcov-profile/34609
4838         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4839         return_slot if result is TREE_ADDRESSABLE.
4840
4841 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4842
4843         * config/mips/mips.md (sqrt_condition): Tweak comment.
4844         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4845
4846 2008-01-03  Tom Tromey  <tromey@redhat.com>
4847
4848         PR c/34457
4849         * c-common.c (c_type_hash): Handle VLAs.
4850
4851 2008-01-03  Jan Hubicka  <jh@suse.cz>
4852
4853         PR tree-optimization/31081
4854         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4855         0 when inlining and not inlining to first basic block.
4856         (remap_decl): When var is initialized to 0, don't set default_def.
4857         (expand_call_inline): Set entry_bb.
4858         * tree-inline.h (copy_body_data): Add entry_bb.
4859
4860 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4861
4862         PR c++/34619
4863         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4864         before returning.
4865
4866         PR tree-optimization/29484
4867         * tree-inline.c (inline_forbidden_p_2): New function.
4868         (inline_forbidden_p): Disallow inlining if some static var
4869         has an address of a local LABEL_DECL in its initializer.
4870         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4871         vs. inlining.
4872
4873 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4874
4875         PR tree-optimization/34635
4876         * tree-data-ref.c (add_other_self_distances): Make sure that the
4877         evolution step is constant.
4878
4879 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4880
4881         PR middle-end/34608
4882         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4883
4884 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4885
4886         * tree-sra.c (scalarize_init): Insert the generate_element_init
4887         statements after the generate_element_zero statements.
4888
4889 2008-01-02  Richard Guenther  <rguenther@suse.de>
4890
4891         PR middle-end/34093
4892         PR middle-end/31976
4893         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4894         for very large number of operands instead of ICEing.
4895
4896 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4897
4898         PR target/34013
4899         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4900         while stack probing.
4901
4902 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4903
4904         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4905         in C++0x mode.
4906
4907 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4908
4909         PR libmudflap/26442
4910         * tree-mudflap.c (mx_register_decls): Guard warning by
4911         !DECL_ARTIFICIAL check.
4912
4913 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4914
4915         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4916         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4917         sse5_perm<mode>): Fix constraints.