* config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
[official-gcc.git] / gcc / ChangeLog
blob39b6058029b0792362cf4d6d6d3f94c0db3d04e3
1 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
2         
3         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
4         instead of size_int for integer types.
5         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
6         to match type of MINUS_EXPR.
7         
8 2008-03-25  Tom Tromey  <tromey@redhat.com>
10         * configure: Rebuilt.
11         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
12         Makefile.
14 2008-03-25  Tom Tromey  <tromey@redhat.com>
16         * config/x-solaris (host-solaris.o): Update.
17         * config/x-linux (host-linux.o): Update.
18         * config/x-hpux (host-hpux.o): Update.
19         * config/x-darwin (host-darwin.o): Update.
20         * config/v850/t-v850e (v850-c.o): Update.
21         * config/v850/t-v850 (v850-c.o): Update.
22         * config/t-vxworks (vxworks.o): Update.
23         * config/t-sol2 (sol2-c.o, sol2.o): Update.
24         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o):
25         Update.
26         * config/spu/t-spu-elf (spu-c.o): Update.
27         (spu.o): Remove.
28         * config/sh/t-symbian (sh-c.o): Update.
29         (symbian.o): Update.
30         * config/sh/t-sh (sh-c.o): Update.
31         * config/score/t-score-elf (score7.o, score3.o): Update.
32         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
33         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
34         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
35         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
36         (rs6000.o): Remove.
37         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
38         * config/m32c/t-m32c (m32c-pragma.o): Update.
39         * config/ia64/t-ia64 (ia64-c.o): Update.
40         * config/i386/x-mingw32 (host-mingw32.o): Update.
41         * config/i386/x-i386 (driver-i386.o): Update.
42         * config/i386/x-darwin (host-i386-darwin.o): Update.
43         * config/i386/x-cygwin (host-cygwin.o): Update.
44         * config/i386/t-nwld (nwld.o): Update.
45         * config/i386/t-netware (netware.o): Update.
46         * config/i386/t-interix (winnt.o): Update.
47         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
48         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
49         msformat-c.o): Update.
50         * config/bfin/t-bfin-linux (generated_files): Add
51         linux-sysroot-suffix.h.
52         * config/arm/t-wince-pe (pe.o): Update.
53         * config/arm/t-strongarm-pe (pe.o): Update.
54         * config/arm/t-pe (pe.o): Update.
55         * config/arm/t-arm (arm-c.o): Update.
56         * doc/install.texi (Prerequisites): Require make 3.80.
57         * Makefile.in: Remove .o targets.
58         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
59         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
60         (simple_generated_h, simple_generated_c): Move earlier.
61         (generated_files): New variable.
62         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
63         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
64         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
65         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
66         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
67         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
68         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
69         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
70         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
71         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
72         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
73         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
74         (.c.o): Remove.
75         (COMPILE.base, COMPILE): New variables.
76         (%.o): New pattern rule.
77         (ALL_HOST_OBJS): New variable.
78         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
79         (dummy-checksum.o, cc1-checksum.o): Remove.
80         (DRIVER_SHLIB): New variable.
81         (DRIVER_DEFINES): Use it.
82         (gencondmd.c): Move out of build/.
83         (s-conditions): Update.
84         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
85         (ALL_BUILD_OBJS): Likewise.
86         (build/%.o): Use BUILDCOMPILE.
87         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
88         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
89         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
90         build/gencheck.o, build/gencodes.o, build/genconditions.o,
91         build/genconfig.o, build/genconstants.o, build/genemit.o,
92         build/genextract.o, build/genflags.o, build/genmddeps.o,
93         build/genopinit.o, build/genoutput.o, build/genpeep.o,
94         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
95         build/gen-protos.o, build/scan.o, build/fix-header.o,
96         build/scan-decls.o): Simplify.
97         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
98         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
99         prefix.o, toplev.o): Reduce to variable setting.
100         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move
101         later.
102         ($(out_object_file), gcc-options.o): New targets.
103         ($(ALL_HOST_OBJS)): New target.
104         Include dependency files.
105         * configure: Rebuilt.
106         * configure.ac: Call ZW_CREATE_DEPDIR,
107         ZW_PROG_COMPILER_DEPENDENCIES.
108         * doc/sourcebuild.texi (Front End Directory): Document new
109         variable.
111 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
113        * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
114        complain when we hit an error, return ERROR_MARK_NODE.
116 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
118         * config/sh/constraints.md (Pso, Psz): New constraints.
119         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
120         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
122 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
124         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if
125         possible.
126         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
128 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
130         * config/sh/sh.md (prefetch): Add condition for SH2A target.
131         (prefetch_sh2a): New.   
133 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
134             Naveen.H.S  <naveen.hs@kpitcummins.com>
136         * config/sh/constraints.md (I28): New constraint.
137         * config/sh/sh.c (broken_move): Add support for movi20s.
138         * config/sh/sh.md (movsi_ie): Add the alternative for
139         movi20s.
141 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
142             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
143             Naveen.H.S  <naveen.hs@kpitcummins.com>
145         * config/sh/sh.c (SH_ATTRIBUTES): Define.
146         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
147         (print_operand): Handle resbank in %@ operand code.
148         (sh_encode_section_info): New.
149         (push_regs): Add conditions for resbank.
150         (sh_expand_epilogue): Likewise.
151         (sh_insert_attributes): Likewise.
152         (sh_attribute_table): Likewise.
153         (sh_handle_resbank_handler_attribute): New.
154         (sh2a_handle_function_vector_handler_attribute): New.
155         (sh2a_is_function_vector_call): New.
156         (sh2a_get_function_vector_number): New.
157         (sh2a_function_vector_p): New.
158         (sh_cfun_resbank_handler_p): New.
159         * config/sh/sh.md (calli): Emit jsr/n if possible.
160         (calli_tbr_rel): New.
161         (calli_pcrel): Emit jsr/n if possible.
162         (return_i): Emit rts/n if possible.
163         (call_valuei_tbr_rel): New.
164         (call_valuei_pcrel): Add condition for SH2A target.
165         (call_value): Likewise.
166         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
167         (sh2a_get_function_vector_number): Likewise.
168         (sh2a_is_function_vector_call): Likewise.
169         * doc/extend.texi: Document TBR relative addressing of SH2A.
170         (resbank): Add description for SH2A.
172 2008-03-24  Richard Guenther  <rguenther@suse.de>
174         PR c/22371
175         * gimplify.c (gimplify_modify_expr): For frontend type-correct
176         pointer assignments change conversions according to middle-end rules.
177         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
178         * configure.ac: Include type checking in yes.
179         * configure: Regenerate.
181 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
183         * diagnostic.c (diagnostic_count_diagnostic): Delete.
184         (diagnostic_report_diagnostic): Update. Handle ICEs here.
185         
186 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
188         * gthr-vxworks.h (UNUSED): Define.
190 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
192         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
193         CX_REG.
195 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
197         * doc/extend.texi (Function Attributes): Add missing comma in the
198         example of the "alloc_size" attribute.
199         
200 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
202         Revert:
203         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
205         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
206         32bit host.
208         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
210         PR target/35496
211         * stor-layout.c (update_alignment_for_field): Set minimum alignment
212         of the underlying type of a MS bitfield layout to the natural
213         alignment of the type.
215         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
217         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
218         to their natural alignment to avoid store forwarding stalls.
220 2008-03-22  Richard Guenther  <rguenther@suse.de>
222         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
223         For PHI nodes verify the address is invariant.
224         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
225         (get_symbol_constant_value): Use is_gimple_min_invariant.
226         (maybe_fold_stmt_indirect): Likewise.
228 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
230         PR rtl-optimization/33927
231         * Makefile.in (dse.o): Depend on $(TM_P_H).
232         * expr.h (extract_low_bits): Declare.
233         * expmed.c (extract_low_bits): New function.
234         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
235         * dse.c: Include tm_p.h.
236         (find_shift_sequence): Remove the read_reg argument and return the
237         read value.  Emit the instructions instead of returning them.
238         Iterate on new_mode rather than calculating it each time.
239         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
240         source to NEW_MODE and extract_low_bits to convert the shifted
241         value to READ_MODE.
242         (replace_read): Allow the load and store to have different mode
243         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
244         or extraction instructions before trying the replacement.  Update
245         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
247 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
249         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
250         to their natural alignment to avoid store forwarding stalls.
252 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
254         PR target/27946
255         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
256         encouraging but not allowing gprs for input;
257         change the input constraint to !f#r.
258         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
259         gprs for output;
260         change the output constraint to !f#r.
262 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
264         PR target/13958
265         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
266         corresponding post-reload splitters.
267         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
268         when x87 FP math is selected.
269         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
270         New function prototype.
271         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
272         unreachable function to ease macroization of insn patterns.
274 2008-03-21  Martin Jambor  <mjambor@suse.cz>
276         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
277         reference dumps if ddr is NULL or dependence is unknown.
279 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
281         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
282         unsigned extension into account.
283         (ATOMIC_COMPARE_AND_SWAP): Likewise.
284         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
285         Do computations on a scratch register.
287 2008-03-21  Richard Guenther  <rguenther@suse.de>
289         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
290         Use is_gimple_min_invariant instead of TREE_INVARIANT.
291         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
292         * tree-ssa-dom.c (record_equality): Likewise.
293         * tree-inline.c (copy_body_r): Likewise.
294         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
295         TREE_INVARIANT.
297 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
299         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
300         as 'delete_unused' argument.
302 2008-03-20  Richard Guenther  <rguenther@suse.de>
304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
305         special casing of constant qualifiers.
306         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
307         care about them in general.
308         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
309         regardless of their type.
310         (fold_stmt_r): Forcefully fold *& if we end up with that.
312 2008-03-20  Paul Brook  <paul@codesourcery.com>
314         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
315         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
316         linker flags.
317         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
318         definition.
319         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
320         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
322 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
324         * common.opt (Wmudflap): New option.
325         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
326         (mx_register_decls): Likewise.
327         (mudflap_finish_file): Likewise.
328         * doc/invoke.texi: Document -Wno-mudflap.
330 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
332         * c-format.c (replace_format_name_to_system_name): New.
333         (cmp_attribs): New.
334         (convert_format_name_to_system_name): New.
335         (decode_format_attr): Add use of convert_format_name_to_system_name.
336         (format_types_orig): Add gnu_ prefix to names.
337         (check_format_info_main): Special treating of \0 escaped names for
338         supporting multi-character format specifiers as I32, I64.
339         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
340         (gnu_target_overrides_format_attributes): New.
341         * c-format.h: Add structure target_ovr_attr to hold
342         system specific formatter names.
343         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
344         msformat-c.o file to c_target_objs and cxx_target_objs.
345         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
346         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
347         (TARGET_N_FORMAT_TYPES): New.
348         * config/i386/msformat-c.c: New.
349         * config/i386/t-cygming: Add build rule for msformat-c.o.
350         * doc/extend.texi: Add new format names gnu_* and ms_* and
351         further details.
352         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
354 2008-03-20  Ira Rosen  <irar@il.ibm.com>
356         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
357         optimizations turned on under -O3.
358         (ftree-vectorize): Add that the flag is turned on with -O3.
360 2008-03-20  Ben Elliston  <bje@au.ibm.com>
362         * regmove.c (try_auto_increment): Fix spelling error in comment.
363         * final.c (final_scan_insn): Likewise.
365 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
367         PR target/14552
368         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
369         allocator preferences for "y" and "r" class registers.
370         ("*mov<mode>_internal"): Ditto.
371         ("*movv2sf_internal_rex64"): Ditto.
372         ("*movv2sf_internal"): Ditto.
374 2008-03-19  Michael Matz  <matz@suse.de>
376         PR middle-end/35616
377         * calls.c (expand_call): Check overlap of arguments with call
378         address for sibcalls.
380 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
382         PR target/35496
383         * stor-layout.c (update_alignment_for_field): Set minimum alignment
384         of the underlying type of a MS bitfield layout to the natural
385         alignment of the type.
387 2008-03-19  Jan Hubicka  <jh@suse.cz>
389         PR other/35094
390         * toplev.c (decode_d_option): Handle all CPP flags.
391         * tree-vrp.c: Update tree_pass descriptors.
392         * regrename.c: Update tree_pass descriptors.
393         * fwprop.c: Update tree_pass descriptors.
394         * doc/invoke.texi: Remove documentation of dropped -d? flags.
395         * tree-into-ssa.c: Update tree_pass descriptors.
396         * tree-dump.c: Update tree_pass descriptors.
397         * tree-complex.c: Update tree_pass descriptors.
398         * tree-dump.h: Update tree_pass descriptors.
399         * see.c: Update tree_pass descriptors.
400         * cgraphbuild.c: Update tree_pass descriptors.
401         * tracer.c: Update tree_pass descriptors.
402         * tree-loop-distribution.c: Update tree_pass descriptors.
403         * cgraph.c: Update tree_pass descriptors.
404         * postreload-gcse.c: Update tree_pass descriptors.
405         * postreload.c: Update tree_pass descriptors.
406         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
407         * tree-tailcall.c: Update tree_pass descriptors.
408         * tree-pass.h (tree_opt_pass): Rename to ...
409         (opt_pass) ... this one; add "type" field and remove letter field.
410         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
411         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
412         all_lowering_passes): Update declaration.
413         * ipa-cp.c: Update tree_pass descriptors.
414         * final.c: Update tree_pass descriptors.
415         * omp-low.c: Update tree_pass descriptors.
416         * tree-ssa-dse.c: Update tree_pass descriptors.
417         * ipa-reference.c: Update tree_pass descriptors.
418         * tree-ssa-uncprop.c: Update tree_pass descriptors.
419         * auto-inc-dec.c: Update tree_pass descriptors.
420         * reorg.c: Update tree_pass descriptors.
421         * cgraphunit.c: Update tree_pass descriptors.
422         * tree-ssa-copyrename.c: Update tree_pass descriptors.
423         * tree-ssa-ccp.c: Update tree_pass descriptors.
424         * df-core.c: Update tree_pass descriptors.
425         * mode-switching.c: Update tree_pass descriptors.
426         * tree-nomudflap.c: Update tree_pass descriptors.
427         * modulo-sched.c: Update tree_pass descriptors.
428         * ipa-pure-const.c: Update tree_pass descriptors.
429         * cse.c: Update tree_pass descriptors.
430         * web.c: Update tree_pass descriptors.
431         * tree-stdarg.c: Update tree_pass descriptors.
432         * tree-ssa-math-opts.c: Update tree_pass descriptors.
433         * tree-ssa-dom.c: Update tree_pass descriptors.
434         * tree-nrv.c: Update tree_pass descriptors.
435         * tree-ssa-alias.c: Update tree_pass descriptors.
436         * loop-init.c: Update tree_pass descriptors.
437         * gimple-low.c: Update tree_pass descriptors.
438         * ipa-inline.c: Update tree_pass descriptors.
439         * tree-ssa-sink.c: Update tree_pass descriptors.
440         * global.c: Update tree_pass descriptors.
441         * ifcvt.c: Update tree_pass descriptors.
442         * jump.c: Update tree_pass descriptors.
443         * predict.c: Update tree_pass descriptors.
444         * tree-ssa-loop.c: Update tree_pass descriptors.
445         * recog.c: Update tree_pass descriptors.
446         * dse.c: Update tree_pass descriptors.
447         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
448         * tree-eh.c: Update tree_pass descriptors.
449         * regmove.c: Update tree_pass descriptors.
450         * local-alloc.c
451         * function.c: Update tree_pass descriptors.
452         * tree-vectorizer.c: Update tree_pass descriptors.
453         * gcse.c: Update tree_pass descriptors.
454         * ipa-type-escape.c: Update tree_pass descriptors.
455         * tree-if-conv.c: Update tree_pass descriptors.
456         * init-regs.c: Update tree_pass descriptors.
457         * ipa.c: Update tree_pass descriptors.
458         * tree-ssa-phiopt.c: Update tree_pass descriptors.
459         * rtl-factoring.c: Update tree_pass descriptors.
460         * lower-subreg.c: Update tree_pass descriptors.
461         * bt-load.c: Update tree_pass descriptors.
462         * tree-dfa.c: Update tree_pass descriptors.
463         * except.c: Update tree_pass descriptors.
464         * emit-rtl.c: Update tree_pass descriptors.
465         * cfgexpand.c: Update tree_pass descriptors.
466         * tree-cfgcleanup.c: Update tree_pass descriptors.
467         * cfgcleanup.c: Update tree_pass descriptors.
468         * tree-ssa-pre.c: Update tree_pass descriptors.
469         * tree-sra.c: Update tree_pass descriptors.
470         * tree-mudflap.c: Update tree_pass descriptors.
471         * tree-ssa-copy.c: Update tree_pass descriptors.
472         * cfglayout.c: Update tree_pass descriptors.
473         * tree-ssa-forwprop.c: Update tree_pass descriptors.
474         * tree-ssa-dce.c: Update tree_pass descriptors.
475         * tree-ssa.c: Update tree_pass descriptors.
476         * regclass.c: Update tree_pass descriptors.
477         * integrate.c: Update tree_pass descriptors.
478         * tree-optimize.c: Update tree_pass descriptors.
479         * tree-ssa-phiprop.c: Update tree_pass descriptors.
480         * tree-object-size.c: Update tree_pass descriptors.
481         * combine.c: Update tree_pass descriptors.
482         * tree-outof-ssa.c: Update tree_pass descriptors.
483         * bb-reorder.c: Update tree_pass descriptors.
484         * stack-ptr-mod.c: Update tree_pass descriptors.
485         * var-tracking.c: Update tree_pass descriptors.
486         * tree-profile.c: Update tree_pass descriptors.
487         * tree-vect-generic.c: Update tree_pass descriptors.
488         * reg-stack.c: Update tree_pass descriptors.
489         * sched-rgn.c: Update tree_pass descriptors.
490         * tree-ssa-structalias.c: Update tree_pass descriptors.
491         * tree-cfg.c: Update tree_pass descriptors.
492         * passes.c (current_pass): Update declaration.
493         (finish_optimization_passes): Update.
494         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
495         (register_one_dump_file, register_dump_files_1, next_pass_1):
496         Update arguments.
497         (init_optimization_passes): Update handling of new types.
498         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
499         * ipa-struct-reorg.c: Update tree_pass descriptors.
500         * tree-ssa-reassoc.c: Update tree_pass descriptors.
501         * combine-stack-adj.c: Update tree_pass descriptors.
502         * cfgrtl.c: Update tree_pass descriptors.
503         * dce.c: Update tree_pass descriptors.
504         * tree-ssanames.c: Update tree_pass descriptors.
506 2008-03-19  Richard Guenther  <rguenther@suse.de>
508         PR middle-end/35609
509         * tree-ssa.c (always_executed): New global flag.
510         (warn_uninitialized_var): If !always_executed warn with "maybe"
511         instead of "is".
512         (execute_early_warn_uninitialized): Compute post-dominators.
513         Initialize always_executed before processing each basic block.
515 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
517         PR target/35504
518         * config/i386/i386.c (x86_this_parameter): Calculate correct location
519         of "this" pointer when "regparm = N" or "fastcall" is in effect.
521 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
523         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
525 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
527         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
528         is true.
529         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
530         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
531         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
532         target after ignore has been set, and move there also the commputation
533         of subtarget and original_target.
534         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
535         (LANG_HOOKS_INITIALIZER): Remove it.
536         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
538 2008-03-18  Richard Guenther  <rguenther@suse.de>
540         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
541         found an expression with constants, note that in the VN for the lhs.
542         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
543         fold them to constants if possible.  Run cleanup_cfg if done so.
544         (execute_pre): Return todo.
545         (do_pre): Likewise.
546         (execute_fre): Likewise.
547         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
548         of constants.
549         (get_prop_source_stmt): Look through pointer conversions.
551 2008-03-18  Jan Hubicka  <jh@suse.cz>
553         * tree-pretty-print.c: Include predict.h.
554         (dump_generic_node): Dump predictor.
555         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
556         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
557         * gimple-low.c (lower_stmt): Likewise.
558         * expr.c (expand_expr_real): Likewise.
559         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
560         them.
561         (build_predict_expr, build_predict_expr): New.
562         * predict.h (predictor_name, build_predict_expr): Update.
563         * c-typeck.c (c_finish_bc_stmt): Add prediction.
564         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
565         * predict.def (PRED_CONTINUE): Update hitrate.
566         * tree.def (PREDICT_EXPR): Define.
567         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
568         do not handle BIND_EXPR.
569         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
570         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
571         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
572         operands.
574 2008-03-18  Michael Matz  <matz@suse.de>
576         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
578 2008-03-18  Richard Guenther  <rguenther@suse.de>
580         * tree-gimple.h (is_gimple_invariant_address): Declare.
581         (is_gimple_constant): Likewise.
582         * tree-gimple.c (is_gimple_constant): New function.
583         (is_gimple_invariant_address): Likewise.
584         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
585         and is_gimple_invariant_address.
586         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
587         previous change.
588         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
589         an addressable base.
591 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
593         PR middle-end/35611
594         * gimplify.c (gimplify_expr): Gimplify second operand of
595         OMP_ATOMIC_LOAD.
597 2008-03-17  Richard Guenther  <rguenther@suse.de>
599         PR tree-optimization/19637
600         * fold-const.c (fold_unary): Remove restrictions of removing
601         intermediate pointer-conversions (P2)(P1)P0.
602         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
603         conversion to void pointer.
604         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
606 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
608         PR debug/31510
609         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
610         emulated thread local variables.
612 2008-03-16  Richard Guenther  <rguenther@suse.de>
614         PR middle-end/35607
615         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
616         expand TREE_INVARIANT operations that are not gimple invariant.
618 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
620         * doc/extend.texi (Alignment): Say that the ABI controls
621         the __alignof__ for non-strict-alignment targets rather
622         than being a recommendation.
624 2008-03-15  Paul Brook  <paul@codesourcery.com>
626         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
627         annotations.
628         (arm_output_fn_unwind): Mark functions that can not be unwound.
630 2008-03-15  Paul Brook  <paul@codesourcery.com>
632         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
633         extension instructions.
635 2008-03-15  Richard Guenther  <rguenther@suse.de>
637         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
638         and fold constant aggregate refs.
639         (fold_const_aggregate_ref): Handle string constants
640         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
641         (evaluate_stmt): Simplify now that ccp_fold folds constant
642         aggregate refs.
644 2008-03-15  Paul Brook  <paul@codesourcery.com>
646         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
647         (extzv): Use gen_extzv_t2.
648         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
650 2008-03-15  Richard Guenther  <rguenther@suse.de>
652         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
653         (fold_const_aggregate_ref): Likewise.
654         (get_value): Return NULL if we don't have any values.
655         (ccp_finalize): Set const_val to NULL after freeing it.
656         * tree-flow.h (get_symbol_constant_value): Declare.
657         (fold_const_aggregate_ref): Likewise.
658         * tree-ssa-sccvn.c (try_to_simplify): Use them.
660 2008-03-15  Richard Guenther  <rguenther@suse.de>
662         PR middle-end/35593
663         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
664         to not produce negative array indices if not allowed.  Add
665         parameter to indicate that.
666         (maybe_fold_offset_to_component_ref): Allow negative array
667         indices only for the first member of a structure.
668         (maybe_fold_offset_to_reference): Allow negative array indices.
669         (maybe_fold_stmt_addition): Likewise.
671 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
672             Anatoly Sokolov <aesok@post.ru>
674         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
675         (avr_arch): Add ARCH_AVR6.
676         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
677         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
678         instead of fixed value 2.
679         (print_operand_address): Use gs() asm specifier instead of pm().
680         (avr_assemble_integer): (Ditto.).
681         (avr_output_addr_vec_elt): (Ditto.).
682         (print_operand): Handle "!" code.
683         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
684         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
685         (AVR_HAVE_EIJMP_EICALL): Define.
686         (AVR_3_BYTE_PC): Redefine.
687         (AVR_2_BYTE_PC): (Ditto.).
688         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
689         (LINK_SPEC): Add atmega2560 and atmega2561.
690         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
691         (crtm2561.o).
692         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
693         for 3 byte PC devices.
694         (call_value_insn): (Ditto.).
695         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
696         (indirect_jump): Use only for for 2 byte PC devices.
697         (*tablejump): (Ditto.).
698         (*indirect_jump_avr6): Add insn.
699         (*tablejump_rjmp): Don't use for 3 byte PC devices.
700         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
701         instead of ijmp for 3 byte PC devices.
702         (__tablejump2__): (Ditto.).
703         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
704         (MULITLIB_DIRNAMES): (Ditto.). 
705         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
707 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
709         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
710         "sse2_umulsidi3".  Use V1DI mode for operand 0.
711         ("mmx_psadbw"): Use V1DI mode for operand 0.
712         * config/i386/i386-modes.def (V1SI): New vector mode.
713         * config/i386/i386.c (struct builtin_description)
714         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
715         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
716         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
717         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
718         v1di_ftype_v8qi_v8qi type.
719         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
721         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
722         __builtin_ia32_pmuludq]: Fix the mode of return value.
724 2008-03-15  Richard Guenther  <rguenther@suse.de>
726         PR middle-end/35595
727         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
728         being a PHI_NODE.
730 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
731         
732         * doc/invoke.texi (Option Summary, Xtensa Options): Document
733         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
734         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
735         unless TARGET_SERIALIZE_VOLATILE is enabled.
736         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
737         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
738         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
740 2008-03-14  Richard Guenther  <rguenther@suse.de>
742         PR tree-optimization/34172
743         * tree-flow.h (refs_may_alias_p): Declare.
744         (get_single_def_stmt): Likewise.
745         (get_single_def_stmt_from_phi): Likewise.
746         (get_single_def_stmt_with_phi): Likewise.
747         * tree-dfa.c (refs_may_alias_p): New function.
748         (get_single_def_stmt): Likewise.
749         (get_single_def_stmt_from_phi): Likewise.
750         (get_single_def_stmt_with_phi): Likewise.
751         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
752         (vn_reference_lookup_1): New helper function.
753         (vn_reference_lookup): Walk the virtual use-def chain to
754         continue searching for a match if the def does not alias the
755         reference we are looking for.
757 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
759         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
760         archive and Perzl.  Update The Written Word listing.
762 2008-03-14  Richard Guenther  <rguenther@suse.de>
764         PR tree-optimization/34043
765         PR tree-optimization/33989
766         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
767         when doing FRE.
768         (bitmap_find_leader): Use extra argument to verify dominance
769         relationship inside a basic-block.
770         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
771         (find_leader_in_sets): Adjust.
772         (create_component_ref_by_pieces): Take extra argument for
773         dominance check, handle lookup failures.
774         (find_or_generate_expression): Likewise.
775         (create_expression_by_pieces): Likewise.
776         (insert_into_preds_of_block): Adjust.
777         (create_value_expr_from): If asked for, verify all operands
778         are in the blocks AVAIL_OUT set.
779         (make_values_for_stmt): Check for SSA_NAMEs that are life
780         over an abnormal edge.
781         (compute_avail): Remove such check.
782         (do_SCCVN_insertion): New function.
783         (eliminate): If we do not find a leader suitable for replacement
784         insert a replacement expression from SCCVN if available.
785         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
786         (struct vn_ssa_aux): Add needs_insertion flag.
787         * tree-ssa-sccvn.c (may_insert): New global flag.
788         (copy_reference_ops_from_ref): Value-number union member access
789         based on its size, not type and member if insertion is allowed.
790         (visit_reference_op_load): For a weak match from union type
791         punning lookup a view-converted value and insert a SSA_NAME
792         for that value if that is not found.
793         (visit_use): Make dumps shorter.  Do not disallow value numbering
794         SSA_NAMEs that are life over an abnormal edge to constants.
795         (free_scc_vn): Release inserted SSA_NAMEs.
796         (run_scc_vn): New flag to specify whether insertion is allowed.
797         Process SSA_NAMEs in forward order.
798         * tree-ssa-loop-im.c (for_each_index): Handle invariant
799         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
800         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
801         pointer type to/from integral types that do not change the
802         precision to regular conversions.
804 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
806         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
807         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
808         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
809         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
810         input arguments and the mode of return value.  Built-in functions
811         that operate on whole 64-bit MMX register now use V1DI mode.
813 2008-03-13  Alon Dayan  <alond@il.ibm.com>
814             Olga Golovanevsky  <olga@il.ibm.com>
816         PR tree-optimization/35041
817         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
818         to locate the right position in a statement.
820 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
822         PR target/34000
823         PR target/35553
824         * config/i386/xmmintrin.h:  Change all static inline functions to
825         extern inline and add __gnu_inline__ attribute.
826         * config/i386/bmintrin.h: Ditto.
827         * config/i386/smmintrin.h: Ditto.
828         * config/i386/tmmintrin.h: Ditto.
829         * config/i386/mmintrin-common.h: Ditto.
830         * config/i386/ammintrin.h: Ditto.
831         * config/i386/emmintrin.h: Ditto.
832         * config/i386/pmmintrin.h: Ditto.
833         * config/i386/mmintrin.h: Ditto.
834         * config/i386/mm3dnow.h: Ditto.
836 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
838         PR middle-end/35185
839         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
840         (lower_omp_2): New function.
841         (lower_omp_1, lower_omp): Rewritten.
843 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
845         PR 35054
846         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
847         with the phrase "Microsoft Windows compilers".
848         (Push/Pop Macro Pragmas): New subsection. Document
849         #pragma push_macro and pragma pop_macro.
851 2008-03-12  Paul Brook  <paul@codesourcery.com>
853         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
855 2008-03-12  Paul Brook  <paul@codesourcery.com>
857         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
858         (thumb2_alusi3_short): Exclude PLUS and MINUS.
859         (thumb2_addsi_shortim): Rename ...
860         (thumb2_addsi_short): ... to this.  Allow register operands.
861         (thumb2_subsi_short): New pattern.
862         (thumb2_one_cmplsi2_short,
863         thumb2_negsi2_short): New patterns and peepholes.
865 2008-03-12  Paul Brook  <paul@codesourcery.com>
867         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
869 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
871         * config/i386/i386.md (int_cond): New code iterator.
872         (fp_cond): Ditto.
873         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
874         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
875         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
876         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
877         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
878         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
879         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
880         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
882 2008-03-12  Paul Brook  <paul@codesourcery.com>
884         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
885         instead of {arm,thumb}_compute_save_reg_mask.
886         (output_return_instruction): Ditto.
887         (thumb_unexpanded_epilogue): Ditto.
888         (thumb1_expand_prologue): Ditto.
889         (thumb1_output_function_prologue): Ditto.
890         (arm_set_return_address): Ditto.
891         (thumb_set_return_address): Ditto.
892         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
893         regs to achieve stack alignment.
894         (thumb1_compute_save_reg_mask): Fix compiler warning.
895         (arm_output_epilogue): Use offsets->saved_regs_mask.
896         Adjust stack pointer by poping call clobered registers.
897         (arm_expand_prologue): Use offsets->saved_regs_mask.
898         Adjust stack pointer by pushing extra registers.
899         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
901 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
903         PR tree-opt/35422
904         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
905         conversion to the operands of a multiplication.
907 2008-03-12  Richard Guenther  <rguenther@suse.de>
909         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
910         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
911         * timevar.def (TV_TREE_PHIPROP): Add.
912         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
913         pass description.  Use TV_TREE_PHIPROP.
914         * tree-ssa-forwprop.c: Remove phiprop code.
916 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
918         PR middle-end/35549
919         * omp-low.c (maybe_lookup_decl): Constify first argument.
920         (use_pointer_for_field): Change last argument from bool to
921         omp_context *.  Disallow shared copy-in/out in nested
922         parallel if decl is shared in outer parallel too.
923         (build_outer_var_ref, scan_sharing_clauses,
924         lower_rec_input_clauses, lower_copyprivate_clauses,
925         lower_send_clauses, lower_send_shared_vars): Adjust callers.
927 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
928             Ira Rosen  <irar@il.ibm.com>
930         * tree-vectorizer.c (free_stmt_vec_info): New function.
931         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
932         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
933         * tree-vectorizer.h (free_stmt_vec_info): Declare.
934         * tree-vect-transform.c (vectorizable_conversion): Free
935         vec_oprnds0 if it was allocated.
936         (vect_permute_store_chain): Remove unused VECs.
937         (vectorizable_store): Free VECs that are allocated in the..
938         function.
939         (vect_transform_strided_load, vectorizable_load): Likewise.
940         (vect_remove_stores): Simplify the code.
941         (vect_transform_loop): Move code to vect_remove_stores().
942         Call vect_remove_stores() and free_stmt_vec_info().
944 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
946         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
947         TARGET_HPUX.  Revise comment.
948         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
949         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
950         Use sr4 variant of `be' instruction when not generating PIC code.
951         (attr_length_call): Adjust for above change.
953 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
955         * ipa-reference.c (static_execute): Remove module_statics_const and
956         associated setting code.
958 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
960         PR target/35540
961         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
962         predicate for operand 1.
963         (paritysi2_cmp): Use register_operand predicate for operand 2.
964         Use earlyclobber modifier for operand 1.  Remove support for
965         memory operands.
966         (paritydi2_cmp): Use register_operand predicate for operand 3.
967         Use earlyclobber modifier for operand 1.  Remove support for
968         memory operands.
970 2008-03-11  Paul Brook  <paul@codesourcery.com>
971             Vladimir Prus  <vladimir@codesourcery.com>
973         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
974         (arm_compute_save_reg0_reg12_mask): Always
975         check if register 11 must be saved.  Always safe hard frame pointer
976         when frame_pointer_needeed.
977         (arm_compute_save_reg_mask): Save IP and PC
978         only with apcs frames.
979         (arm_output_epilogue): Adjust Thumb2 codepath to
980         be also invoked and work for ARM non-apcs frames.
981         (arm_expand_prologue): Don't bother saving IP
982         for non-apcs frame, since it's not clobbered by
983         prologue code.  Implement non-apcs frame
984         layout.
986 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
988         PR rtl-optimization/35281
989         * expr.c (convert_move): Use a new pseudo for the intermediate
990         from_mode->word_mode result.
992 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
994         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
995         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
996         * toplev.c (compile_file): Don't call it.
998 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1000         PR middle-end/35526
1001         * expr.c (store_expr): Call emit_block_move if the mode
1002         of "temp" RTX is BLKmode.
1004 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1005             Richard Guenther  <rguenther@suse.de>
1007         PR tree-optimization/31358
1008         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1009         the step with a NULL_TREE.
1010         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1011         to sizetype if type is a pointer type.
1012         (add_candidate_1): Don't convert the base and step to
1013         the generic type if the orginal type is a pointer type.
1014         (add_iv_value_candidates): Use sizetype for the step
1015         if type is a pointer type.
1016         (cand_value_at): Likewise.
1017         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1018         for pointer types.
1019         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1020         Don't convert the tem affine to the type.
1021         (add_elt_to_tree): Use sizetype for the step if a pointer.
1022         Use POINTER_PLUS_EXPR for pointers.
1023         (aff_combination_to_tree): Use sizetype for the step if a
1024         pointer.
1026 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1028         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1029         Remove commutativity hint.
1031 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1033         PR c/35438
1034         PR c/35439
1035         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1036         errorneous type.  Check that v is a VAR_DECL.
1038         PR middle-end/35099
1039         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1041 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1043         PR tree-optimization/35494
1044         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1045         may be overriden at link and run time.
1047 2008-03-10  Richard Guenther  <rguenther@suse.de>
1049         PR tree-optimization/34677
1050         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1051         (poolify_tree): Likewise.
1052         (modify_expr_template): Likewise.
1053         (poolify_modify_stmt): Likewise.
1054         (insert_fake_stores): Handle all component-ref style stores
1055         in addition to INDIRECT_REF.  Also handle complex types.
1056         Do not poolify the inserted load.
1057         (realify_fake_stores): Do not rebuild the tree but only
1058         make it a SSA_NAME copy.
1059         (init_pre): Remove initialzation of modify_expr_template.
1060         Do not allocate modify_expr_node_pool.
1061         (fini_pre): Do not free modify_expr_node_pool.
1063 2008-03-10  Paul Brook  <paul@codesourcery.com>
1065         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1066         to avoid conflicts.
1068 2008-03-10  Paul Brook  <paul@codesourcery.com>
1069             Mark Shinwell  <shinwell@codesourcery.com>
1071         * config/arm/cortex-r4.md: New.
1072         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1073         insn attributes.
1074         * config/arm/arm.md: Include cortex-r4.md.
1075         (insn): Add smmls, sdiv and udiv values.
1076         (generic_sched): Don't use generic scheduling for Cortex-R4.
1077         (arm_issue_rate): New function.
1078         (TARGET_SCHED_ISSUE_RATE): Define.
1080 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1082         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1084 2008-03-10  Richard Guenther  <rguenther@suse.de>
1086         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1087         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1089 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1091         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1092         Set default to true.
1094 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1096         * c.opt (Wsynth): Deprecate.
1097         * doc/invoke.texi (Option Summary, Warning Options): Document
1098         -Wno-format-contains-nul.
1100 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1102         PR target/35496
1103         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1104         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1106 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1108         * config/rs6000/rs6000.c (builtin_description): Rename vector
1109         left shift operations.
1110         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1111         (altivec_vsl<VI_char>): Rename to ...
1112         (ashl<mode>3): ... new name.
1113         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1114         gen_ashlv4si3.
1115         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1117 2008-03-08  Richard Guenther  <rguenther@suse.de>
1119         * coverage.h (tree_coverage_counter_addr): Declare.
1120         * coverage.c (tree_coverage_counter_addr): New function.
1121         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1122         before using again.
1123         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1124         (tree_gen_one_value_profiler): Likewise.
1125         (tree_gen_ic_profiler): Likewise.
1126         (tree_gen_average_profiler): Likewise.
1127         (tree_gen_ior_profiler): Likewise.
1129 2008-03-08  Richard Guenther  <rguenther@suse.de>
1131         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1132         (vn_binary_op_insert): Likewise.
1133         (vn_unary_op_lookup): Likewise.
1134         (vn_unary_op_insert): Likewise.
1135         (vn_nary_op_lookup): Declare.
1136         (vn_nary_op_insert): Likewise.
1137         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1138         and binary hashes, use a single obstack for unary_op_pool
1139         and binary_op_pool.
1140         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1141         a single struct vn_nary_op_s.  Store tree code length and
1142         a variable number of operands.
1143         (struct vn_reference_op_struct): Remove unused op2.
1144         (vn_reference_op_eq): Do not compare op2.
1145         (vn_reference_op_compute_hash): Do not compute hash of op2.
1146         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1147         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1148         with vn_nary_op_compute_hash.
1149         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1150         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1151         vn_nary_op_lookup.
1152         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1153         vn_nary_op_insert.
1154         (visit_unary_op): Call nary functions.
1155         (visit_binary_op): Likewise.
1156         (process_scc): Adjust for struct vn_tables_s changes.
1157         (allocate_vn_table): Likewise.
1158         (free_vn_table): Likewise.
1159         * tree-vn.c (vn_add): Call nary functions.
1160         (vn_lookup): Likewise.
1162 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1164         PR target/35498
1165         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1166         wdst back after sync_compare_and_swapqhi_internal.
1168 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1170         PR target/22152
1171         * config/i386/i386-modes.def (V1DI): New vector mode.
1172         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1173         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1174         (MMXMODE248): Ditto.
1175         (MMXMODE): Add V1DI mode.
1176         (mmxvecsize): Change DI mode to V1DI mode.
1177         ("mov<mode>): Use MMXMODEI8 mode iterator.
1178         ("*mov<mode>_internal_rex64"): Ditto.
1179         ("*mov<mode>_internal"): Ditto.
1180         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1181         ("mmx_sub<mode>3"): Ditto.
1182         ("mmx_adddi3"): Remove insn pattern.
1183         ("mmx_subdi3"): Ditto.
1184         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1185         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1186         ("mmx_ashl<mode>3"): Ditto.
1187         ("mmx_lshrdi3"): Remove insn pattern.
1188         ("mmx_ashldi3"): Ditto.
1189         * config/i386/i386.c (classify_argument): Handle V1DImode.
1190         (function_arg_advance_32): Ditto.
1191         (function_arg_32): Ditto.
1192         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1193         mmx_addv1di3 insn pattern.
1194         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1195         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1196         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1197         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1198         Remove definitions of built-in functions.
1199         (V1DI_type_node): New node.
1200         (v1di_ftype_v1di_int): Ditto.
1201         (v1di_ftype_v1di_v1di): Ditto.
1202         (v2si_ftype_v2si_si): Ditto.
1203         (v4hi_ftype_v4hi_di): Remove node.
1204         (v2si_ftype_v2si_di): Ditto.
1205         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1206         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1207         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1208         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1209         Add new builtins using def_builtin_const.
1210         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1211         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1212         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1213         * config/i386/mmintrin.h (__v1di): New typedef.
1214         (_mm_add_si64): Cast arguments to __v1di type.
1215         (_mm_sub_si64): Ditto.
1216         (_mm_sll_pi16): Cast __count to __v4hi type.
1217         (_mm_sll_pi32): Cast __count to __v2si type.
1218         (_mm_sll_si64): Cast arguments to __v1di type.
1219         (_mm_srl_pi16): Cast __count to __v4hi type.
1220         (_mm_srl_pi32): Cast __count to __v2si type.
1221         (_mm_srl_si64): Cast arguments to __v1di type.
1222         (_mm_sra_pi16): Cast __count to __v4hi type.
1223         (_mm_sra_pi32): Cast __count to __v2si type.
1224         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1225         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1226         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1227         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1228         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1229         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1230         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1231         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1232         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1233         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1234         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1235         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1237 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1239         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1241 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1243         PR target/35373
1244         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1245         reg+const addressing for Altivec modes.  Don't generate reg+reg
1246         addressing for TFmode or TDmode quantities.
1248 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1250         * c-common.c (vector_types_convertible_p): Call langhook
1251         instead of comptypes.
1253 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1255         PR tree-opt/35402
1256         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1257         integral and scalar float variables which have a
1258         NULL DECL_INITIAL.
1260 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1262         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1263         dwarf_register_span hook when emitting unwind information for
1264         register-to-memory saves.
1265         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1266         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1268 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1270         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1271         for the same VAR_DECL.
1273 2008-03-06  Tom Tromey  <tromey@redhat.com>
1275         * treelang: Delete.
1276         * doc/standards.texi (Standards): Don't mention treelang.
1277         * doc/invoke.texi (Overall Options): Don't mention treelang.
1278         * doc/install.texi (Prerequisites): Don't mention bison or
1279         treelang.
1280         (Configuration): Don't mention treelang.
1281         (Building): Likewise.
1282         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1284 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1286         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1287         word-extractions out of a multi-word object.
1289 2008-03-06  Richard Guenther  <rguenther@suse.de>
1291         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1292         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1293         result type and precision.
1294         * expr.c (get_inner_reference): Set unsignedp based on the result
1295         type of BIT_FIELD_REF.
1296         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1297         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1298         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1299         for BIT_FIELD_REF.
1300         (sra_build_assignment): Likewise.
1301         (sra_build_elt_assignment): Likewise.
1302         (sra_explode_bitfield_assignment): Likewise.
1303         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1304         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1305         set BIT_FIELD_REF_UNSIGNED.
1306         (vectorizable_load): Likewise.
1308 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1310         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1311         at bb start.
1313 2008-03-06  Richard Guenther  <rguenther@suse.de>
1315         * alias.c (struct alias_set_entry): Move has_zero_child field
1316         to pack with alias_set.
1318 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1320         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1321         32bit host.
1323 2008-03-05  Ian Lance Taylor  <iant@google.com>
1325         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1327 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1329         * fwprop.c (update_df): Support width and offset parameters of
1330         df_ref_create.
1331         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1332         global_conflicts): Change DF_REF_EXTRACT to either
1333         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1334         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1335         * df-scan.c (df_ref_record, df_defs_record,
1336         df_ref_create_structure, df_def_record_1, df_uses_record,
1337         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1338         df_bb_refs_collect, df_entry_block_defs_collect,
1339         df_exit_block_uses_collect): Support new width and offset fields.
1340         (ref_extract_pool): New storage pool.
1341         (df_free_ref): New function.
1342         (df_reg_chain_unlink, df_free_collection_rec,
1343         df_sort_and_compress_refs): Call df_free_ref.
1344         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1345         of df_ref_extract.
1346         (df_ref_create_structure): Allocate df_ref_extract if offset and
1347         width fields are used.
1348         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1349         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1350         and SIGN_EXTRACT.
1351         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1352         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1353         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1354         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1355         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1356         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1357         (df_ref_extract): New structure.
1358         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1359         (df_ref_create): Add width and offset parameters.
1360         
1361 2008-03-05  Richard Guenther  <rguenther@suse.de>
1363         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1364         Use ranges_overlap_p.
1365         (offset_overlaps_with_access): Rename
1366         to ranges_overlap_p and move ...
1367         * tree-flow-inline.h (ranges_overlap_p): ... here.
1369         * tree.h (get_inner_reference, handled_component_p): Update
1370         comments.
1372         * tree.h (record_component_aliases, get_alias_set,
1373         alias_sets_conflict_p, alias_sets_must_conflict_p,
1374         objects_must_conflict_p): Move declarations ...
1375         * alias.h (record_component_aliases, get_alias_set,
1376         alias_sets_conflict_p, alias_sets_must_conflict_p,
1377         objects_must_conflict_p): ... here.
1378         Include coretypes.h.
1379         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1381 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1383         * cfg.c: Include tree-flow.h.
1384         (remove_edge_raw): Call redirect_edge_var_map_clear.
1385         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1386         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1387         (redirect_edge_var_map_result): New.
1388         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1389         PENDING_STMT use with redirect_edge_var_map_*.
1390         * tree-ssa.c (edge_var_maps): New definition.
1391         (redirect_edge_var_map_add): New.
1392         (redirect_edge_var_map_clear): New.
1393         (redirect_edge_var_map_dup): New.
1394         (redirect_edge_var_map_vector): New.
1395         (redirect_edge_var_map_destroy): New.
1396         (ssa_redirect_edge): Replace PENDING_STMT use with
1397         redirect_edge_var_map_*.
1398         (flush_pending_stmts): Same.
1399         (delete_tree_ssa): Destroy edge var map.
1400         * tree-flow.h (struct _edge_var_map): New.
1401         Define edge_var_map vector type.
1402         Declare redirect_edge_var_map_* prototypes.
1403         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1404         * tree-cfg.c (reinstall_phi_args): Replace
1405         PENDING_STMT use with redirect_edge_var_map_*.
1407 2008-03-05  Richard Guenther  <rguenther@suse.de>
1409         PR tree-optimization/35472
1410         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1411         whose single use_stmt has a overlapping set of loaded and
1412         stored symbols as that use_stmt might be a noop assignment then.
1414 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1416         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1418 2008-03-05  Richard Guenther  <rguenther@suse.de>
1420         PR c++/35336
1421         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1422         should be constants.
1423         * tree-cfg.c (verify_expr): Verify it.
1424         * fold-const.c (fold_truthop): Remove code generating
1425         BIT_FIELD_REFs of structure bases.
1426         (fold_binary): Likewise.
1427         (fold_ternary): Position and size of BIT_FIELD_REFs are
1428         always host integers.
1429         (make_bit_field_ref): Remove.
1430         (optimize_bit_field_compare): Remove.
1431         (all_ones_mask_p): Remove.
1433 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1435         PR gcc/33009
1436         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1437         (split_block_and_df_analyze): New. Split basic block and rebuild
1438         dataflow.
1439         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1440         SPLIT_BLOCK.
1441         (split_pattern_seq): Likewise.
1442         (erase_matching_seqs): Likewise.
1443         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1445 2008-03-04  Geoff Keating  <geoffk@apple.com>
1447         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1448         declaration and code.
1449         (tree_invalid_nonnegative_warnv_p): Likewise.
1451 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1453         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1454         examples.  Truncate option-names then causing overfull hbox.
1456 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1458         PR target/35222
1459         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1460         on hpux10.
1461         * configure: Rebuilt.
1463 2008-03-04  Rafael Espindola  <espindola@google.com>
1465         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1466         (tree_unary_nonnegative_warnv_p): New.
1467         (tree_binary_nonnegative_warnv_p): New.
1468         (tree_single_nonnegative_warnv_p): New.
1469         (tree_invalid_nonnegative_warnv_p): New.
1470         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1472 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1474         PR 28322
1475         * opts.c (handle_option): Postpone 'unknown option' errors only for
1476         warning options.
1478 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1480         PR target/35453
1481         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1482         (_SIDD_XXX): This.
1484 2008-03-04  Rafael Espindola  <espindola@google.com>
1486         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1487         (tree_binary_nonzero_warnv_p): New.
1488         (tree_single_nonzero_warnv_p): New.
1489         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1491 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1493         PR middle-end/35456
1494         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1495         transformations for modes that have signed zeros.
1496         * ifcvt.c (noce_try_abs): Ditto.
1498 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1500         * config/i386/i386.c (override_options): Force
1501         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1503 2008-03-04  Jan Hubicka  <jh@suse.cz>
1505         PR c++/35262
1506         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1507         in last commit.
1509 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1511         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1512         label to probe the stack.
1514 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1516         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1517         (__gthr_win32_mutex_destroy): Declare.
1518         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1519         __gthr_win32_mutex_destroy.
1520         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1522 2008-03-03  Jan Hubicka  <jh@suse.cz>
1524         PR c++/35262
1525         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1526         aggressive on inlining cold calls.
1528 2008-03-03  Richard Guenther  <rguenther@suse.de>
1530         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1531         struct copies into the expression table.
1532         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1533         (try_to_simplify): Likewise.
1534         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1535         integral and pointer arguments which do not change the
1536         precision to NOP_EXPRs.
1537         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1538         VIEW_CONVERT_EXPR case.
1540 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1542         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1543         defined in a loop at depth 0 is invariant.
1544         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1545         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1546         be called at loop depth 0.
1548 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1550         PR driver/35420
1551         * gcc.c (process_command): Update copyright notice dates.
1552         * gcov.c (print_version): Likewise.
1553         * gcov-dump.c (print_version): Likewise.
1554         * mips-tfile.c (main): Likewise.
1555         * mips-tdump.c (main): Likewise.
1557 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1559         PR 24924
1560         * c-common.c (flag_permissive): Delete.
1561         (constant_expression_warnings): Check flags first.
1562         (constant_expression_error): New.
1563         * c-common.h (flag_permissive): Delete.
1564         (constant_expression_error): Declare.
1565         * flags.h (flag_permissive): Declare. Update description.
1566         * diagnostic.c (pedwarn): Update.
1567         (permerror): New.
1568         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1569         (permissive_error_kind): New.
1570         * toplev.c (flag_permissive): Define. Update description.
1571         * toplev.h (permissive_error_kind): Declare.
1572         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1573         (pedwarn_c90): Use pedantic_warning_kind.
1574         * c-opts.c (c_common_post_options): flag_permissive does not affect
1575         flag_pedantic_errors.
1577 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1579         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1580         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1581         __absvsi2, __absvDI2): Use unsigned arithmetic.
1583 2008-03-02  Andi Kleen  <ak@suse.de>
1584             Richard Guenther  <rguenther@suse.de>
1586         * struct-equiv.c: Remove file.
1587         * cfg_cleanup.c (condjump_equiv_p): Remove.
1588         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1589         (struct-equiv.o): Remove rule.
1590         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1591         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1592         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1594 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1596         * ifcvt.c (noce_process_if_block): Try to handle only the then
1597         block if the else block exists but isn't suitable.
1599 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1601         PR gcc/35063
1602         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1603         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1604         regression from previous patch.
1606 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1608         PR gcc/35063
1609         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1610         implemented.
1611         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1612         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1613         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1614         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1615         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1616         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1617         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1618         (__gthread_mutex_destroy_function): Rename to
1619         __gthread_mutex_destroy.
1620         * gthr-dce.h (__gthread_mutex_destroy): Call
1621         pthread_mutex_destroy.
1622         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1623         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1624         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1626 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1628         * df-scan.c (df_ref_chain_change_bb): Simplify.
1629         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1630         set_block_for_insn if there's any change.
1631         * df.h ((df_insn_change_bb): Fix prototype.
1632         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1633         df_insn_change_bb, don't call set_block_for_insn.
1634         * emit-rtl.c (reorder_insns): Likewise.
1635         * haifa-sched.c (move_insn): Likewise.
1637 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1639         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1641 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1643         * tree-flow-inline.h (next_readonly_imm_use): Return
1644         NULL_USE_OPERAND_P after the end.
1646 2008-03-01  Richard Guenther  <rguenther@suse.de>
1648         PR tree-optimization/35411
1649         * tree-sra.c (sra_build_assignment): Split conversion to
1650         final type to a separate statement if we are not assigning
1651         to a register.
1653 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1655         * fold-const.c (fold_convertible_p): Correct the logic to follow
1656         that in fold_convert().
1658 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1660         PR c++/35315
1661         * tree-inline.c (build_duplicate_type): When we make a
1662         duplicate type, make it unique in the canonical types system.
1664 2008-02-29  Tom Tromey  <tromey@redhat.com>
1666         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1667         input_file_stack_history, input_file_stack_restored): Remove.
1668         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1669         * input.h (struct file_stack): Remove.
1670         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1671         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1672         Likewise.
1673         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1674         type.
1675         (diagnostic_last_module_changed): Add 'map' argument.
1676         (diagnostic_set_last_function): Likewise.
1677         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1678         line map, not input_file_stack.
1679         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1681 2008-02-29  Paul Brook  <paul@codesourcery.com>
1683         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1685 2008-02-29  Paul Brook  <paul@codesourcery.com>
1687         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1689 2008-02-29  Richard Guenther  <rguenther@suse.de>
1691         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1692         vn_lookup_or_add.
1693         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1694         value for comparing for a store match.
1695         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1696         (try_to_simplify): Do not do a full-blown reference lookup.
1698 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1700         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1701         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1703         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1705 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1707         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1708         strides against cache sizes.
1710 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1712         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1713         constant to fpul.
1715 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1717         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1718         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1719         is smaller than the original promoted value.
1720         (simplify_subreg): If OP is a SUBREG, try to preserve its
1721         SUBREG_PROMOTED_VAR_P information.
1723 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1725         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1726         (VN_INFO_GET): Allocate new objects on the obstack.
1727         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1728         for rpo_numbers_temp, for consistency.
1729         (free_scc_vn): Free the obstack.
1731 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1733         * doc/invoke.texi: Document -ftree-loop-distribution.
1734         * tree-loop-distribution.c: New.
1735         * tree-pass.h (pass_loop_distribution): New.
1736         * graphds.h (struct graph): Add htab_t indices.
1737         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1738         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1739         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1740         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1741         * tree-data-ref.c (debug_data_dependence_relations): New.
1742         (dump_data_dependence_relation): Also print data references.
1743         (free_data_ref): Extern.
1744         (same_access_functions): Moved...
1745         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1746         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1747         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1748         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1749         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1750         (stmts_from_loop): Skip LABEL_EXPR.
1751         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1752         New.
1753         (build_rdg): Initialize rdg->indices htab.
1754         (free_rdg, stores_from_loop, ref_base_address,
1755         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1756         have_similar_memory_accesses_1, ref_base_address_1,
1757         remove_similar_memory_refs): New.
1758         * tree-data-ref.h: Depend on tree-chrec.h.
1759         (debug_data_dependence_relations, free_data_ref): Declared.
1760         (same_access_functions): ... here.
1761         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1762         New.
1763         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1764         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1765         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1766         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1767         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1768         rdg_vertex_for_stmt): Declared.
1769         (struct rdg_edge): Add level.
1770         (RDGE_LEVEL): New.
1771         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1772         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1773         Declared.
1774         (rdg_has_similar_memory_accesses): New.
1775         * tree-vect-analyze.c: Remove unused static decls.
1776         * lambda.h (dependence_level): New.
1777         * common.opt (ftree-loop-distribution): New.
1778         * tree-flow.h (mark_virtual_ops_in_bb, 
1779         slpeel_tree_duplicate_loop_to_edge_cfg,
1780         rename_variables_in_loop): Declared.
1781         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1782         (OBJS-common): Add tree-loop-distribution.o.
1783         (tree-loop-distribution.o): New rule.
1784         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1785         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1786         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1788 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1790         PR target/33963
1791         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1792         other than structures and unions.
1794 2008-02-28  Richard Guenther  <rguenther@suse.de>
1796         Revert:
1797         2008-02-26  Richard Guenther  <rguenther@suse.de>
1799         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1800         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1801         (lookup_decl_from_uid): Declare.
1802         (remove_decl_from_map): Likewise.
1803         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1804         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1805         (decl_for_uid_map): New global hashtable mapping DECL_UID
1806         to the decl tree.
1807         (init_ttree): Allocate it.
1808         (insert_decl_to_uid_decl_map): New helper function.
1809         (make_node_stat): Insert new decls into the map.
1810         (copy_node_stat): Likewise.
1811         (lookup_decl_from_uid): New function.
1812         (remove_decl_from_map): Likewise.
1813         (print_decl_for_uid_map_statistics): New helper.
1814         (dump_tree_statistics): Call it.
1816         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1817         (referenced_var_iterator): Adjust.
1818         (FOR_EACH_REFERENCED_VAR): Adjust.
1819         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1820         (num_referenced_vars): Adjust.
1821         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1822         (first_referenced_var): Remove.
1823         (end_referenced_vars_p): Likewise.
1824         (next_referenced_var): Likewise.
1825         (referenced_var_iterator_set): New helper function.
1826         * tree-dfa.c (referenced_var_lookup): Adjust.
1827         (referenced_var_check_and_insert): Likewise.
1828         (remove_referenced_var): Likewise.
1829         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1830         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1831         (verify_call_clobbering): Likewise.
1832         (verify_memory_partitions): Likewise.
1833         (init_tree_ssa): Allocate bitmap instead of hashtable for
1834         referenced_vars.
1835         (delete_tree_ssa): Adjust.
1836         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1837         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1838         (compute_tag_properties): Likewise.
1839         (set_initial_properties): Likewise.
1840         (find_partition_for): Likewise.
1841         (update_reference_counts): Likewise.
1842         (dump_may_aliases_for): Likewise.
1843         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1844         (add_call_clobber_ops): Likewise.
1845         (add_call_read_ops): Likewise.
1846         (get_asm_expr_operands): Likewise.
1847         * tree-into-ssa.c (dump_decl_set): Likewise.
1848         (update_ssa): Likewise.
1849         * tree-sra.c (scan_function): Likewise.
1850         (decide_instantiations): Likewise.
1851         (scalarize_parms): Likewise.
1852         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1853         (dsa_named_for): Likewise.
1854         * tree-ssa-structalias.c (update_alias_info): Likewise.
1855         (merge_smts_into): Likewise.
1857 2008-02-27  David Daney  <ddaney@avtrex.com>
1859         PR target/34409
1860         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1861         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1862         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1863         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1864         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1866 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1868         PR target/25477
1869         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1870         (BUILT_IN_NEXTTOWARD): Remove.
1871         (BUILT_IN_NEXTTOWARDF): Ditto.
1872         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1873         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1875 2008-02-27  Tom Tromey  <tromey@redhat.com>
1877         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1878         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1880 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1882         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1883         update the respective field on newdecl.
1885 2008-02-27  Revital Eres  <eres@il.ibm.com>
1887         PR rtl-optimization/34999
1888         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1889         crossing edges that ends with a call insn.
1890         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1891         call insn and clear the EDGE_CROSSING flag of the crossing edge
1892         when fixing fallthru edges.
1894 2008-02-27  Richard Guenther  <rguenther@suse.de>
1896         PR middle-end/35390
1897         * fold-const.c (fold_unary): Return the correct argument,
1898         converted to the result type.
1900 2008-02-27  Richard Guenther  <rguenther@suse.de>
1902         PR middle-end/34971
1903         * expr.c (expand_expr_real_1): Assert on rotates that operate
1904         on partial modes.
1905         * fold-const.c (fold_binary): Use the types precision, not the
1906         bitsize of the mode if folding rotate expressions.  Build rotates
1907         only for full modes.
1909 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1911         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1912         and CPP_PRAGMA_EOL.
1913         * c-pragma.c (pragma_ns_name): New typedef.
1914         (registered_pp_pragmas): New variable.
1915         (c_pp_lookup_pragma): New function.
1916         (c_register_pragma_1): If flag_preprocess_only, do nothing
1917         for non-expanded pragmas, for expanded ones push pragma's
1918         namespace and name into registered_pp_pragmas vector.
1919         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1920         flag_preprocess_only, don't register GCC pch_preprocess
1921         pragma if flag_preprocess_only.
1922         * c-opts.c (c_common_init): Call init_pragma even if
1923         flag_preprocess_only.
1924         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1925         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1926         cpp_register_pragma if flag_preprocess_only.
1928 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1930         PR c/28800
1931         * c-parser.c (c_parser_translation_unit): Warn for empty
1932         translation unit, not empty source file.
1934 2008-02-26  Paul Brook  <paul@codesourcery.com>
1936         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1937         operand for Thumb-2.
1938         * config/arm/arm.h (reg_class): Add CORE_REGS.
1939         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1940         (BASE_REG_CLASS): Use CORE_REGS.
1941         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1942         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1943         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1944         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1945         ARM_REGNO_OK_FOR_INDEX_P.
1946         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1947         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1948         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1949         (ldm/stm peepholes): Ditto.
1950         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1951         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1952         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1953         * config/arm/constraints.md: Enable "k" constraint on ARM.
1955 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1957         * config/rs6000/rs6000.c: Annotate cache line size field in all
1958         instances of struct processor_costs.
1960 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1962         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1963         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1964         jump_bypass): New counters.
1965         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1966         * dce.c (gate_ud_dce): Same.
1967         (gate_fast_dce): Same.
1968         * dse.c (gate_dse1): New function.
1969         (gate_dse2): New function.
1970         (gate_dse): Merge results of new gate functions.
1971         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1972         (gate_handle_jump_bypass): Add dbg_cnt.
1973         (gate_handle_gcse): Add dbg_cnt.
1974         * ifcvt.c (gate_handle_if_conversion): Same.
1975         (gate_handle_if_after_combine): Same.
1976         (gate_handle_if_after_reload): Same.
1977         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1979 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1981         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1982         line sizes.
1983         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1985 2008-02-26  Jason Merrill  <jason@redhat.com>
1987         PR c++/35315
1988         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1989         alone if it's the naming decl for the type's main variant.
1991 2008-02-26  Tom Tromey  <tromey@redhat.com>
1993         * system.h (USE_MAPPED_LOCATION): Poison.
1994         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1995         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1996         (make_goto_expr_edges): Likewise.
1997         (remove_bb): Likewise.
1998         (execute_warn_function_return): Likewise.
1999         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2000         location_t.
2001         * c-common.c (fname_decl): Remove old location code.
2002         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2003         location code.
2004         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2005         variant.
2006         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2007         (gen_rtx_ASM_INPUT): Likewise.
2008         (gen_rtx_ASM_INPUT_loc): Likewise.
2009         (get_rtx_asm_OPERANDS): Remove.
2010         * cfglayout.c (insn_locators_alloc): Remove old location code.
2011         (set_curr_insn_source_location): Likewise.
2012         (curr_insn_locator): Likewise.
2013         * print-tree.c (print_node): Remove old location code.
2014         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2015         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2016         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2017         location_from_locus.
2018         (construct_exit_block): Remove old location code.
2019         * emit-rtl.c (force_next_line_note): Remove old location code.
2020         * profile.c (branch_prob): Remove old location code.
2021         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2022         LOC_LINE): Remove old-location variants.
2023         * langhooks.c (lhd_print_error_function): Remove old location
2024         code.
2025         * configure, config.in: Rebuilt.
2026         * configure.ac (--enable-mapped-location): Remove.
2027         * c-decl.c (c_init_decl_processing): Remove old location code.
2028         (finish_function): Likewise.
2029         * recog.c (decode_asm_operands): Remove old location code.
2030         * c-pch.c (c_common_read_pch): Remove old location code.
2031         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2032         variants.
2033         * gimple-low.c (lower_function_body): Remove old location code.
2034         * toplev.c (unknown_location): Remove.
2035         (push_srcloc): Remove old-location variant.
2036         (process_options): Remove old location code.
2037         (lang_dependent_init): Likewise.
2038         * input.h (UNKNOWN_LOCATION): Move definition.
2039         (location_t): Undeprecate.
2040         (source_locus): Remove.
2041         (location_from_locus): Remove.
2042         (struct location_s): Remove.
2043         Remove all old-location code.
2044         (input_line, input_filename): Remove.
2045         * final.c (final_scan_insn): Remove old location code.
2046         * diagnostic.c (diagnostic_build_prefix): Remove
2047         USE_MAPPED_LOCATION test.
2048         * tree.h (gimple_stmt) <locus>: Now a location_t.
2049         (tree_exp) <locus>: Likewise.
2050         (DECL_IS_BUILTIN): Remove old-location variant.
2051         (annotate_with_file_line, annotate_with_locus): Likewise.
2052         (expr_locus, set_expr_locus): Update.
2053         * tree.c (build1_stat): Remove old location code.
2054         (last_annotated_node): Remove.
2055         (annotate_with_file_line): Remove old-location variant.
2056         (annotate_with_locus): Likewise.
2057         (expr_location): Remove old location code.
2058         (set_expr_location): Likewise.
2059         (expr_has_location): Likewise.
2060         (expr_locus): Likewise.
2061         (set_expr_locus): Likewise.
2062         (expr_filename): Don't use location_from_locus.
2063         (expr_lineno): Likewise.
2064         * rtl-error.c (location_for_asm): Remove old location code.
2065         * c-lex.c (cb_line_change): Remove old location code.
2066         (fe_file_change): Likewise.
2067         (cb_def_pragma): Likewise.
2068         (c_lex_with_flags): Likewise.
2069         * gengtype.c (do_typedef): Don't special-case location types.
2070         (define_location_structures): Remove.
2071         (main): Don't call define_location_structures.
2072         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2073         code.
2075 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2077         PR 26264
2078         * builtins.def (BUILT_IN_STDARG_START): Remove.
2079         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2080         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2081         * tree-inline.c (inline_forbidden_p_1): Likewise.
2082         
2083 2008-02-26  Richard Guenther  <rguenther@suse.de>
2085         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2086         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2087         (lookup_decl_from_uid): Declare.
2088         (remove_decl_from_map): Likewise.
2089         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2090         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2091         (decl_for_uid_map): New global hashtable mapping DECL_UID
2092         to the decl tree.
2093         (init_ttree): Allocate it.
2094         (insert_decl_to_uid_decl_map): New helper function.
2095         (make_node_stat): Insert new decls into the map.
2096         (copy_node_stat): Likewise.
2097         (lookup_decl_from_uid): New function.
2098         (remove_decl_from_map): Likewise.
2099         (print_decl_for_uid_map_statistics): New helper.
2100         (dump_tree_statistics): Call it.
2102         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2103         (referenced_var_iterator): Adjust.
2104         (FOR_EACH_REFERENCED_VAR): Adjust.
2105         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2106         (num_referenced_vars): Adjust.
2107         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2108         (first_referenced_var): Remove.
2109         (end_referenced_vars_p): Likewise.
2110         (next_referenced_var): Likewise.
2111         (referenced_var_iterator_set): New helper function.
2112         * tree-dfa.c (referenced_var_lookup): Adjust.
2113         (referenced_var_check_and_insert): Likewise.
2114         (remove_referenced_var): Likewise.
2115         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2116         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2117         (verify_call_clobbering): Likewise.
2118         (verify_memory_partitions): Likewise.
2119         (init_tree_ssa): Allocate bitmap instead of hashtable for
2120         referenced_vars.
2121         (delete_tree_ssa): Adjust.
2122         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2123         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2124         (compute_tag_properties): Likewise.
2125         (set_initial_properties): Likewise.
2126         (find_partition_for): Likewise.
2127         (update_reference_counts): Likewise.
2128         (dump_may_aliases_for): Likewise.
2129         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2130         (add_call_clobber_ops): Likewise.
2131         (add_call_read_ops): Likewise.
2132         (get_asm_expr_operands): Likewise.
2133         * tree-into-ssa.c (dump_decl_set): Likewise.
2134         (update_ssa): Likewise.
2135         * tree-sra.c (scan_function): Likewise.
2136         (decide_instantiations): Likewise.
2137         (scalarize_parms): Likewise.
2138         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2139         (dsa_named_for): Likewise.
2140         * tree-ssa-structalias.c (update_alias_info): Likewise.
2141         (merge_smts_into): Likewise.
2143 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2145         PR 34351
2146         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2147         * c-opts.c (c_common_handle_option): Wall enables
2148         Wvolatile-register-var.
2149         * common.opt: Move Wvolatile-register-var to...
2150         * c.opt: ...here.
2151         
2152 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2154         * common.opt (Wlarger-than=): New.
2155         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2156         -Wlarger-than=.
2157         * opts.c (common_handle_option): Handle -Wlarger-than=.
2158         * optc-gen.awk: Likewise.
2159         * opth-gen.awk: Likewise.
2160         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2161         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2162         
2163 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2165         * c-common.c (match_case_to_enum_1): Add appropriate
2166         OPT_W* parameter to warning.
2167         (c_do_switch_warnings): Likewise.
2168         * c-typeck.c (warning_init): Add one more parameter following
2169         'warning' function.
2170         (push_init_level): Update call to warning_init.
2171         (pop_init_level): Likewise.
2172         (add_pending_init): Likewise.
2173         (output_init_element: Likewise.
2175 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2177         PR 28322
2178         * toplev.c (toplev_main): If there are warnings or error, print
2179         errors for ignored options.
2180         * opts.c (ignored_options): New static variable.
2181         (postpone_unknown_option_error): New.
2182         (print_ignored_options): New.
2183         (handle_option): Postpone errors for unknown -Wno-* options.
2184         * opts.h (print_ignored_options): Declare.
2185         
2186 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2188         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2189         to "ghost".
2191 2008-02-25  Richard Guenther  <rguenther@suse.de>
2193         Revert:
2194         2008-02-25  Richard Guenther  <rguenther@suse.de>
2196         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2197         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2198         (lookup_decl_from_uid): Declare.
2199         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2200         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2201         (decl_for_uid_map): New global hashtable mapping DECL_UID
2202         to the decl tree.
2203         (init_ttree): Allocate it.
2204         (insert_decl_to_uid_decl_map): New helper function.
2205         (make_node_stat): Insert new decls into the map.
2206         (copy_node_stat): Likewise.
2207         (lookup_decl_from_uid): New function.
2208         (print_decl_for_uid_map_statistics): New helper.
2209         (dump_tree_statistics): Call it.
2211         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2212         (referenced_var_iterator): Adjust.
2213         (FOR_EACH_REFERENCED_VAR): Adjust.
2214         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2215         (num_referenced_vars): Adjust.
2216         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2217         (first_referenced_var): Remove.
2218         (end_referenced_vars_p): Likewise.
2219         (next_referenced_var): Likewise.
2220         (referenced_var_iterator_set): New helper function.
2221         * tree-dfa.c (referenced_var_lookup): Adjust.
2222         (referenced_var_check_and_insert): Likewise.
2223         (remove_referenced_var): Likewise.
2224         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2225         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2226         (verify_call_clobbering): Likewise.
2227         (verify_memory_partitions): Likewise.
2228         (init_tree_ssa): Allocate bitmap instead of hashtable for
2229         referenced_vars.
2230         (delete_tree_ssa): Adjust.
2231         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2232         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2233         (compute_tag_properties): Likewise.
2234         (set_initial_properties): Likewise.
2235         (find_partition_for): Likewise.
2236         (update_reference_counts): Likewise.
2237         (dump_may_aliases_for): Likewise.
2238         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2239         (add_call_clobber_ops): Likewise.
2240         (add_call_read_ops): Likewise.
2241         (get_asm_expr_operands): Likewise.
2242         * tree-into-ssa.c (dump_decl_set): Likewise.
2243         (update_ssa): Likewise.
2244         * tree-sra.c (scan_function): Likewise.
2245         (decide_instantiations): Likewise.
2246         (scalarize_parms): Likewise.
2247         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2248         (dsa_named_for): Likewise.
2249         * tree-ssa-structalias.c (update_alias_info): Likewise.
2250         (merge_smts_into): Likewise.
2252 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2254         PR fortran/29549
2255         * doc/invoke.texi (-fcx-limited-range): Document new option.
2256         * toplev.c (process_options): Handle -fcx-fortran-rules.
2257         * common.opt: Add documentation for -fcx-fortran-rules.
2259 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2261         PR c/35162
2262         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2263         actual behaviour and C99.
2264         
2265 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2267         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2268         (ASM_CPU_POWER6_SPEC): Likewise.
2269         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2270         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2271         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2273 2008-02-25  Richard Guenther  <rguenther@suse.de>
2275         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2276         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2277         (lookup_decl_from_uid): Declare.
2278         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2279         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2280         (decl_for_uid_map): New global hashtable mapping DECL_UID
2281         to the decl tree.
2282         (init_ttree): Allocate it.
2283         (insert_decl_to_uid_decl_map): New helper function.
2284         (make_node_stat): Insert new decls into the map.
2285         (copy_node_stat): Likewise.
2286         (lookup_decl_from_uid): New function.
2287         (print_decl_for_uid_map_statistics): New helper.
2288         (dump_tree_statistics): Call it.
2290         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2291         (referenced_var_iterator): Adjust.
2292         (FOR_EACH_REFERENCED_VAR): Adjust.
2293         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2294         (num_referenced_vars): Adjust.
2295         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2296         (first_referenced_var): Remove.
2297         (end_referenced_vars_p): Likewise.
2298         (next_referenced_var): Likewise.
2299         (referenced_var_iterator_set): New helper function.
2300         * tree-dfa.c (referenced_var_lookup): Adjust.
2301         (referenced_var_check_and_insert): Likewise.
2302         (remove_referenced_var): Likewise.
2303         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2304         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2305         (verify_call_clobbering): Likewise.
2306         (verify_memory_partitions): Likewise.
2307         (init_tree_ssa): Allocate bitmap instead of hashtable for
2308         referenced_vars.
2309         (delete_tree_ssa): Adjust.
2310         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2311         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2312         (compute_tag_properties): Likewise.
2313         (set_initial_properties): Likewise.
2314         (find_partition_for): Likewise.
2315         (update_reference_counts): Likewise.
2316         (dump_may_aliases_for): Likewise.
2317         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2318         (add_call_clobber_ops): Likewise.
2319         (add_call_read_ops): Likewise.
2320         (get_asm_expr_operands): Likewise.
2321         * tree-into-ssa.c (dump_decl_set): Likewise.
2322         (update_ssa): Likewise.
2323         * tree-sra.c (scan_function): Likewise.
2324         (decide_instantiations): Likewise.
2325         (scalarize_parms): Likewise.
2326         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2327         (dsa_named_for): Likewise.
2328         * tree-ssa-structalias.c (update_alias_info): Likewise.
2329         (merge_smts_into): Likewise.
2331 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2333         PR target/35258
2334         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2335         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2336         * alias.h (nonoverlapping_memrefs_p): Likewise.
2338 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2340         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2341         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2342         __emultls_get_address, __emultls_register_common,
2343         __floatundi?f, and _Unwind_GetIPInfo.
2344         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2345         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2346         (gen_regparm_prefix): Likewise.
2347         (i386_nlm_encode_section_info): Sync with
2348         config/i386/winnt.c:i386_pe_encode_section_info().
2349         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2350         i386_nlm_mangle_decl_assembler_name): New.
2351         (netware_override_options): New.
2352         * config/i386/netware.h (netware_override_options): Declare.
2353         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2354         (i386_nlm_mangle_decl_assembler_name): Declare.
2355         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2357 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2359         PR other/32948
2360         * c-decl.c (grokdeclarator): Remove unused local variables
2361         `typedef_type' and `type_as_written'.
2362         * bb-reorder.c
2363         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2364         unused local variable `has_hot_blocks'.
2365         (fix_crossing_conditional_branches): Remove unused local variable
2366         `prev_bb'.
2367         
2368 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2370         PR middle-end/19984
2371         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2372         using DEF_C99_BUILTIN.
2373         (BUILT_IN_NANF): Ditto.
2374         (BUILT_IN_NANL): Ditto.
2376 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2377             Revital Eres  <eres@il.ibm.com>
2379         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2380         regarding the order of two dependent insns in the same row.
2382 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2384         * stor-layout.c (layout_decl): Do not bump the alignment of a
2385         bit-field to more than byte alignment if it is packed.
2387 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2389         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2390         e300c2 and e300c3.
2392 2008-02-24  Diego Novillo  <dnovillo@google.com>
2394         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2396         PR 33738
2397         * tree-vrp.c (vrp_evaluate_conditional): With
2398         -Wtype-limits, emit a warning when comparing against a
2399         constant outside the natural range of OP0's type.
2400         * c.opt (Wtype-limits): Move ...
2401         * common.opt (Wtype-limits): ... here.
2403 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2405         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2406         * config/rs6000/e300c2c3.md: New file.
2407         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2408         e300c2 and e300c3.
2409         (rs6000_override_options): Add e300c2 and e300c3 cases to
2410         processor_target_table. Do not allow usage of Altivec or Spe
2411         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2412         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2413         * config/rs6000/rs6000.h (processor_type): Add
2414         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2415         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2416         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2417         and ppce300c3. Include e300c2c3.md.
2419 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2421         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2422         instead of TARGET_STRICT_ALIGN.
2424 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2426         * explow.c (memory_address): Assert that the generated address is
2427         valid.
2429 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2431         PR target/25477
2432         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2433         * config/darwin-ppc-ldouble-patch.def: New file.
2434         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2435         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2436         SUBTARGET_INIT_BUILTINS if defined.
2437         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2438         New functions.
2440 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2442         PR rtl-opt/33512
2443         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2444         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2446 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2448         PR pch/35027
2449         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2450         file" warning condtional on -Winvalid-PCH.
2452 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2454         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2456 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2458         PR target/22076
2459         PR target/34256 
2460         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2461         prevent reload from using MMX registers.
2462         (*mov<mode>_internal): Ditto.
2463         (*movv2sf_internal_rex64): Ditto.
2464         (*movv2sf_internal): Ditto.
2466 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2468         PR documentation/31569
2469         * doc/install.texi2html: Use makeinfo --no-number-sections.
2471 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2473         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2474         ensure that we can address an entire entity > 8 bytes.  Don't
2475         generate reg+reg addressing for such data.
2477 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2479         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2480         strings when optimizing for size, unless the target cares about
2481         alignment.
2483 2008-02-22  Tom Tromey  <tromey@redhat.com>
2485         * regclass.c (current_pass): Remove declaration.
2487 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2489         * config/avr/libgcc.S (__RAMPZ__): Define.
2490         (__do_copy_data): Add for devices with 128KB code memory.
2492 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2494         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2495         Use spe_abi.
2496         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2498 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2500         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2501         GENNONACR_REGS.
2503 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2505         PR c/19999
2506         * c-typeck.c (build_binary_op): Warn about floating point
2507         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2509 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2511         PR target/34526
2512         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2513         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2514         add vrsave.
2515         (rs6000_override_options): Set altivec_abi as default, not override,
2516         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2517         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2518         is used; use new member spe_abi.
2519         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2520         spe_abi and altivec_abi.
2522 2008-02-22  Tomas Bily  <tbily@suse.cz>
2524         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2526 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2528         PR bootstrap/35273
2529         * config.build (build_file_translate): Set to `CMD //c' only if
2530         it works.
2531         * Makefile.in (build_file_translate): Improve comment.
2533 2008-02-21  Jan Hubicka  <jh@suse.cz>
2535         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2536         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2537         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2539 2008-02-21  Michael Matz  <matz@suse.de>
2541         PR target/35264
2542         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2544 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2546         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2547         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2548         as insn constraint.
2549         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2550         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2551         SSE_VEC_FLOAT_MODE_P as insn constraint.
2552         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2553         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2554         sse4a_movntdf using MODEF mode iterator.
2555         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2556         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2557         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2558         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2559         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2560         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2561         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2563 2008-02-21  Richard Guenther  <rguenther@suse.de>
2565         * tree.def (PAREN_EXPR): New tree code.
2566         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2567         and PAREN_EXPR.
2568         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2569         * expr.c (expand_expr_real_1): Likewise.
2570         * tree-inline.c (estimate_num_insns_1): Likewise.
2571         * tree-complex.c (expand_complex_move): Likewise.
2572         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2573         as plain x.
2575 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2577         PR target/35225
2578         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2580 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2582         PR target/35190
2583         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2585         * config/sh/sh.c (find_barrier): Don't go past
2586         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2588 2008-02-20  DJ Delorie  <dj@redhat.com>
2590         * config/h8300/h8300.md (insv): Force source operand to be a register.
2592         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2593         as a jump, not as a plain insn.
2594         
2595 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2597         * doc/invoke.texi (Warning Options): Add new option
2598         -Wframe-larger-than=.
2599         (-Wframe-larger-than): Document.
2601         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2602         Add declarations for new option variables.
2604         * final.c (final_start_function): Check the frame size
2605         before emission and issue a Wframe-larger-than warning.
2607         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2608         Add definitions for new option variables.
2609         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2611         * common.opt (Wframe-larger-than=): New option.
2613 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2615         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2616         (<sse>_div<mode>3): Ditto.
2617         (<sse>_vmdiv<mode>3): Ditto.
2618         (<sse>_vmsqrt<mode>2): Ditto.
2619         (*smax<mode>3): Ditto.
2620         (sse5_frcz<mode>2): Ditto.
2621         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2622         as insn constraint.
2624 2008-02-20  Richard Guenther  <rguenther@suse.de>
2626         PR middle-end/35265
2627         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2628         be happy with INTEGRAL_TYPE_P.
2630 2008-02-20  Richard Guenther  <rguenther@suse.de>
2632         * fold-const.c (split_tree): Associate floatig-point expressions
2633         if flag_associative_math is set.
2635 2008-02-20  Richard Guenther  <rguenther@suse.de>
2637         * tree.h (fold_real_zero_addition_p): Declare.
2638         * fold-const.c (fold_real_zero_addition_p): Export.
2639         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2640         floating-point operations with zero and one.
2642 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2644         * doc/install.texi: Correct references to CFLAGS, replacing them
2645         with BOOT_CFLAGS.  Document flags used during bootstrap for
2646         target libraries.
2647                                 
2648 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2650         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2651         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2652         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2653         insn constraint.
2654         (smin<mode>3): Ditto from similar patterns.
2655         (smax<mode>3): Ditto.
2656         (*ieee_smin<mode>3): Ditto.
2657         (*ieee_smax<mode>3): Ditto.
2658         * config/i386/sse.md (sse): New mode attribute.
2659         (mov<mode>): Macroize expander from movv4sf and movv2df using
2660         SSEMODEF2P mode iterator.
2661         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2662         SSE_VEC_FLOAT_MODE_P as insn constraint.
2663         (storent<mode>): Ditto.
2664         (storent<mode>): Macroize expander from storentsf and storentdf using
2665         MODEF mode iterator.
2666         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2667         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2668         (abs<mode>2): Ditto from similar patterns.
2669         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2670         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2671         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2672         (<sse>_vmsqrt<mode>2): Ditto.
2673         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2674         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2675         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2676         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2677         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2678         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2679         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2680         insn constraint.
2681         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2682         iterator and SSE_FLOAT_MODE_P as insn constraint.
2683         (<sse>_ucomi): Ditto from similar patterns.
2684         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2685         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2686         SSE_VEC_FLOAT_MODE_P as insn constraint.
2687         (vcond<mode>): Ditto from similar patterns.
2688         (and<mode>3, *and<mode>3): Ditto.
2689         (<sse>_nand<mode>3): Ditto.
2690         (ior<mode>3, *ior<mode>3): Ditto.
2691         (xor<mode>3, *xor<mode>3): Ditto.
2692         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2693         iterator and SSE_FLOAT_MODE_P as insn constraint.
2694         (*nand<mode>3): Ditto from similar patterns.
2695         (*ior<mode>3): Ditto.
2696         (*xor<mode>3): Ditto.
2698 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2700         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2701         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2702         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2704 2008-02-19  Jan Hubicka  <jh@suse.cz>
2706         * predict.c (tree_bb_level_predictions): Remove variable next
2707         mistakely introduced by previous commit.
2709 2008-02-19  Jan Hubicka  <jh@suse.cz>
2711         * predict.c (predict_paths_leading_to): Rewrite.
2712         (predict_paths_for_bb): New.
2713         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2715 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2717         PR bootstrap/35218
2718         * Makefile.in (build_file_translate): New.
2719         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2720         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2721         * configure.ac (build_file_translate): Substitute it.
2722         * configure: Regenerate.
2724 2008-02-19  Jan Hubicka  <jh@suse.cz>
2726         PR rtl-optimization/34408
2727         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2728         invalid sharing.
2730 2008-02-19  Jan Hubicka  <jh@suse.cz>
2732         PR middle-end/28779
2733         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2734         call_expr.
2736 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2738         PR Ada/35186
2739         * config/i386/i386-modes.def: Revert the last DI alignment
2740         change until Ada people can look into it.
2742 2008-02-19  Nick Clifton  <nickc@redhat.com>
2744         * opts.c (print_specific_help): Fix typo in --help text.
2746 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2748         PR target/35239
2749         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2750         32-bit inline asm without asm alternatives for host GCC < 3.0.
2752 2008-02-19  Richard Guenther  <rguenther@suse.de>
2754         PR tree-optimization/34989
2755         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2756         Allow propagation to INDIRECT_REF if we can simplify only.
2758 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2760         * c-common.c (warn_for_collisions_1): Use appropriate option when
2761         warning.
2763 2008-02-19  Nick Clifton  <nickc@redhat.com>
2765         PR other/31349
2766         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2767         (handle_options): Fix indentation.
2768         (print_filtered_help): If no language-specific options were
2769         displayed tell the user how to list all the options supported by
2770         the language's front-end.
2771         (print_specific_help): Fix indentation and remove duplicate line.
2772         (common_handle_option): Handle the -v option.
2773         For --help enable the display of undocumented options if the -v
2774         switch has been included on the command line.
2775         For --help= check for overlaps in the arguments between the option
2776         classes and the language names and issue a warning when they
2777         cannot be disambiguated.
2778         * c.opt (v): Pass on to the common option handler.
2780 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2782         * modulo-sched.c (sms_schedule): Change dump message when
2783         create_ddg function fails.
2784         (try_scheduling_node_in_cycle): Rename row to cycle.
2785         (print_partial_schedule): Rename CYCLE to ROW.
2787 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2788             Zdenek Dvorak  <ook@ucw.cz>
2790         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2792 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2794         PR target/33555
2795         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2796         (*x86_movdicc_0_m1_se): Ditto.
2798 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2800         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2801         (CMPtype): Define as __gcc_CMPtype.
2802         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2803         (CMPtype): Define as __gcc_CMPtype.
2805 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2807         Support valgrind 3.3 for --enable-checking=valgrind.
2808         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2809         here.
2810         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2811         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2812         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2813         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2814         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2815         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2816         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2817         respectively.
2818         * ggc-zone.c: Similar.
2819         * ggc-page.c: Similar.
2821 2008-02-19  Paul Brook  <paul@codesourcery.com>
2823         PR target/35071
2824         * config/arm/ieee754-df.S: Fix do_it typo.
2825         * config/arm/ieee754-sf.S: Fix do_it typo.
2827 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2829         PR target/35189
2830         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2831         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2832         (OPTION_MASK_ISA_SSE_SET): Likewise.
2833         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2834         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2835         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2836         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2837         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2838         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2839         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2840         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2841         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2842         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2843         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2844         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2845         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2846         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2847         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2848         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2849         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2850         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2851         (OPTION_MASK_ISA_SSE4): Removed.
2852         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2853         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2854         (override_options): Don't turn on implied SSE/MMX bits in
2855         ix86_isa_flags.
2857 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2859         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2860         32bit host.
2862 2008-02-18  Joey Ye  <joey.ye@intel.com>
2864         PR middle-end/34921
2865         * tree-nested.c (insert_field_into_struct): Set type alignment
2866         to field alignment if the former is less than the latter.
2868 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2870         * BASE-VER: Set to 4.4.0.
2872 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2874         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2875         * doc/cfg.texi: Likewise.
2876         * doc/extend.texi: Likewise.
2877         * doc/gty.texi: Likewise.
2878         * doc/invoke.texi: Likewise.
2879         * doc/loop.texi: Likewise.
2880         * doc/md.texi: Likewise.
2881         * doc/passes.texi: Likewise.
2882         * doc/rtl.texi: Likewise.
2883         * doc/sourcebuild.texi: Likewise.
2884         * doc/tm.texi: Likewise.
2885         * doc/tree-ssa.texi: Likewise.
2887 2008-02-17  Richard Guenther  <rguenther@suse.de>
2889         PR middle-end/35227
2890         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2891         without default definition.
2893 2008-02-17  Richard Guenther  <rguenther@suse.de>
2895         PR tree-optimization/35231
2896         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2897         if A | B != 1.
2899 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2901         Revert:
2902         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2903         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2904         libgcc_cmp_return mode.
2906 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2908         PR c/28368
2909         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2911 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2913         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2914         multilibs.
2916 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2918         * doc/c-tree.texi: Use `@.' where appropriate.
2919         * doc/extend.texi: Likewise.
2920         * doc/install.texi: Likewise.
2921         * doc/invoke.texi: Likewise.
2922         * doc/loop.texi: Likewise.
2923         * doc/makefile.texi: Likewise.
2924         * doc/md.texi: Likewise.
2925         * doc/passes.texi: Likewise.
2926         * doc/standards.texi: Likewise.
2927         * doc/tm.texi: Likewise.
2929 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2931         PR middle-end/35196
2932         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2933         in entry_bb.
2934         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2935         rather than in entry_bb.
2937 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2939         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2940         libgcc_cmp_return mode.
2942 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2944         PR middle-end/35130
2945         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2946         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2948 2008-02-15  Richard Guenther  <rguenther@suse.de>
2949             Zdenek Dvorak  <ook@ucw.cz>
2951         PR tree-optimization/35164
2952         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2953         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2954         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2955         Only propagate addresses which do not have abnormal SSA_NAMEs
2956         in their operands.
2958 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2960         PR target/35088
2961         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2963 2008-02-15  Jan Hubicka  <jh@suse.cz>
2965         PR middle-end/35149
2966         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2968 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2970         PR middle-end/34621
2971         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2972         when calculating alignment_pad.
2974 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2976         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2977         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2978         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2979         and STACK_BOUNDARY define.
2981 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2983         PR preprocessor/35061
2984         * c-pragma.c (handle_pragma_pop_macro): Check that
2985         pushed_macro_table has been allocated.
2987 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2989         PR middle-end/35136
2990         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2991         (force_gimple_operand): Likewise.
2992         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2993         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2994         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2995         (find_interesting_uses_address): Check addressability and alignment
2996         of the base expression only after substituting bases of IVs into it.
2998 2008-02-14  Michael Matz  <matz@suse.de>
3000         PR target/34930
3001         * function.c (instantiate_virtual_regs_in_insn): Reload address
3002         before falling back to reloading the whole operand.
3004 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3006         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3007         before the first section switch note.
3009 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3011         * doc/bugreport.texi: Update copyright years.
3012         * doc/c-tree.texi: Likewise.
3013         * doc/cfg.texi: Likewise.
3014         * doc/cpp.texi: Likewise.
3015         * doc/cppinternals.texi: Likewise.
3016         * doc/fragments.texi: Likewise.
3017         * doc/frontends.texi: Likewise.
3018         * doc/gcc.texi: Likewise.
3019         * doc/gty.texi: Likewise.
3020         * doc/hostconfig.texi: Likewise.
3021         * doc/implement-c.texi: Likewise.
3022         * doc/libgcc.texi: Likewise.
3023         * doc/loop.texi: Likewise.
3024         * doc/makefile.texi: Likewise.
3025         * doc/options.texi: Likewise.
3026         * doc/passes.texi: Likewise.
3027         * doc/rtl.texi: Likewise.
3028         * doc/sourcebuild.texi: Likewise.
3029         * doc/standards.texi: Likewise.
3030         * doc/tree-ssa.texi: Likewise.
3031         * doc/trouble.texi: Likewise.
3033         * doc/extend.texi: Use @: or add comma where appropriate.
3034         * doc/invoke.texi: Likewise.
3035         * doc/tm.texi: Likewise.
3037 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3039         PR target/34393
3040         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3041         to a reg.
3043 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3045         * doc/md.texi (clz, ctz): Add reference.
3046         * doc/rtl.texi (clz, ctz): Likewise.
3048 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3050         PR other/35148
3051         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3052         srcdir.
3054 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3056         * config/s390/s390.c (struct constant_pool): New field
3057         emit_pool_after added.
3058         (s390_mainpool_start): Set the emit_pool_after flag according
3059         to the section switch notes.
3060         (s390_mainpool_finish): Consider emit_pool_after when emitting
3061         the literal pool at the end of the function.
3062         (s390_chunkify_start): Force literal pool splits at section
3063         switch notes.
3065 2008-02-13  Michael Matz  <matz@suse.de>
3067         PR debug/35065
3068         * var-tracking.c (clobber_variable_part): Correctly traverse the
3069         list.
3071 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3073         PR 29673
3074         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3075         Add -fdump-ipa-inline.
3076         * tree-dump.c (dump_files): Remove tree-inlined dump.
3077         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3078         
3079 2008-02-12  Richard Guenther  <rguenther@suse.de>
3081         PR tree-optimization/35171
3082         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3083         default defs.
3085 2008-02-12  Richard Guenther  <rguenther@suse.de>
3087         PR middle-end/35163
3088         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3089         value-preserving mode.  Disallow final truncation.
3091 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3093         PR middle-end/35136
3094         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3095         code from here to...
3096         (force_gimple_operand): ...here.
3098 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3100         PR c++/35144
3101         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3102         non-compatible pointers.
3103         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3104         different FIELD_DECLs, try harder by comparing field offsets, sizes
3105         and types.
3107         PR inline-asm/35160
3108         * function.c (match_asm_constraints_1): Don't replace the same input
3109         multiple times.
3111 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3113         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3114         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3115         (expand_epilogue): Restore RAMPZ register.
3116         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3118 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3120         * config/i386/cygwin.asm: (__alloca): Correct calling
3121         convention and alignment.
3122         (__chkstk): Force 8 byte stack alignment.
3124 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3125             Richard Guenther  <rguenther@suse.de>
3127         PR tree-optimization/33992
3128         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3129         the zero we compare against.
3131 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3133         PR libfortran/35063
3134         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3135         to CloseHandle after unlocking to prevent accumulation of handle
3136         count.
3138 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3140         PR middle_end/34150
3141         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3142         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3143         and update LABEL_NUSES during and after reload.
3145 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3147         PR middle-end/34627
3148         * combine.c (simplify_if_then_else): Make sure the comparison is
3149         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3151 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3153         PR bootstrap/35051
3154         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3155         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3156         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3157         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3158         * tree.h (get_type_static_bounds): Likewise.
3160 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3162         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3163         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3164         Make -Wfoo language annotations match what the compiler outputs.
3166 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3168         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3169         intrinsics spu_convts, spu_convtu, spu_convtf.
3170         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3172 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3174         * doc/extend.texi (Function Attributes) <noinline>: Mention
3175         asm ("") as method to keep calls.
3177 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3179         PR other/32754
3180         * doc/options.texi (Options): Replace references to opts.sh with
3181         optc-gen.awk.
3182         * opts-common.c: Likewise.
3183         * optc-gen.awk: Likewise.
3184         
3185 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3187         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3189 2008-02-07  Richard Henderson  <rth@redhat.com>
3191         PR rtl-opt/33410
3192         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3193         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3194         funny mode.
3196 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3198         PR tree-optimization/35085
3199         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3200         for operand entry oe2 in addition to operand entry oe3 in order to
3201         expose more opportunities for vectorizer sum reduction.
3203 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3205         PR other/35107
3206         * Makefile.in (LIBS): Remove $(GMPLIBS).
3207         (cc1-dummy, cc1): Add $(GMPLIBS).
3209 2008-02-06  Jan Hubicka  <jh@suse.cz>
3211         PR target/23322
3212         * i386.md (moddf_integer): Do not produce partial memory stalls for
3213         targets where it hurts.
3215 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3217         PR target/35083
3218         * optabs.c (expand_float): Do not check for decimal modes when
3219         expanding unsigned integer through signed conversion.
3221 2008-02-06  Nick Clifton  <nickc@redhat.com>
3223         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3224         inside the clobber with a match_operand and duplicated operand
3225         number in the constraint.
3226         (ineqbranchsi): Delete redundant comment.
3228 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3230         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3231         builtin_define ("__USE_INIT_FINI__").
3232         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3233         -msx multilibs.
3234         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3236 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3238         PR documentation/30330
3239         * doc/invoke.texi (C++ Dialect Options)
3240         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3241         For each warning option -Wfoo that allows -Wno-foo, ensure both
3242         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3243         entry of -Wswitch-default, index -Wnormalized= including the
3244         `=', and -Wlarger-than-@var{len} including @var{len}.
3246 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3248         * config/i386/i386.md (floatunssisf2): Use
3249         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3250         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3251         Macroize expander using MODEF mode iterator.
3253 2008-02-05  Diego Novillo  <dnovillo@google.com>
3255         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3257         PR 33738
3258         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3260 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3262         PR other/35070
3263         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3265 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3267         PR target/35084
3268         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3269         to indicate if a message should be generated.
3270         (init_cumulative_args): Updated.
3271         (function_value_32): Likewise.
3273 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3275         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3277 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3279         PR target/35083
3280         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3281         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3283 2008-02-04  Diego Novillo  <dnovillo@google.com>
3285         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3287         PR 33738
3288         * tree-vrp.c (vrp_evaluate_conditional): With
3289         -Wtype-limits, emit a warning when comparing against a
3290         constant outside the natural range of OP0's type.
3292 2008-02-04  Richard Guenther  <rguenther@suse.de>
3294         PR middle-end/33631
3295         * expr.c (count_type_elements): Give for unions instead of
3296         guessing.
3298 2008-02-04  Richard Guenther  <rguenther@suse.de>
3300         PR middle-end/35043
3301         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3302         to TYPE_DOMAINs base type instead of using bitsizetype here.
3304 2008-02-03  Jason Merrill  <jason@redhat.com>
3306         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3308 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3310         PR other/29972
3311         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3312         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3313         (RS/6000 and PowerPC Options): Fix typos and markup.
3314         * doc/passes.texi (Tree-SSA passes): Likewise.
3316 2008-02-02  Michael Matz  <matz@suse.de>
3318         PR target/35045
3319         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3320         from record_last_reg_set_info.
3321         (record_last_reg_set_info): Take an RTX argument, iterate over all
3322         constituent hardregs.
3323         (record_last_set_info, record_opr_changes): Change calls to
3324         new signature or to record_last_reg_set_info_regno.
3326 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3328         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3330 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3332         PR rtl-optimization/34773
3333         * reg-notes.def (EQUAL): Mention significance of combination of
3334         REG_EQUAL and REG_RETVAL.
3335         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3336         insn that has a REG_RETVAL.
3338 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3340         PR bootstrap/33781
3341         * configure.ac (--enable-fixed-point): Disable unless explicitly
3342         requested on IRIX.
3343         * configure: Regenerate.
3345 2008-02-01  Richard Guenther  <rguenther@suse.de>
3347         PR other/35042
3348         * invoke.texi (-finline-limit): Remove no longer true parts
3349         of the documentation.  Note that there is no default value.
3351 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3352             Mark Mitchell  <mark@codesourcery.com>
3353             Ben Elliston  <bje@au.ibm.com>
3355         PR c/29326
3356         * doc/extend.texi (Other Builtins): Document.
3358 2008-01-31  Tom Browder <tom.browder@gmail.com>
3360         * doc/c-tree.texi (Types): Fix grammar.
3361         (Expression trees): Ditto.
3362         * doc/passes.texi (Tree-SSA passes): Ditto.
3363         
3364         * doc/configterms.texi (Configure Terms): Fix typo.
3365         * doc/cpp.texi (Common Predefined Macros): Ditto.
3366         * doc/md.texi (Machine Constraints): Ditto.
3367         
3368         * doc/makefile.texi (Makefile): Add comma.
3370 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3371             Gerald Pfeifer  <gerald@pfeifer.com>
3372         
3373         * doc/sourcebuild.texi (Front End): Remove references to CVS
3374         and CVSROOT/modules.
3375         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3376         (Back End): Remove reference to CVS.
3378 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3380         PR target/34900
3381         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3382         comment from...
3383         (mips16_gp_pseudo_reg): ...here.
3384         * config/mips/mips.md (load_const_gp): Replace with...
3385         (load_const_gp_<mode>): ...this :P-based insn.
3387 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3389         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3390         options. Minor fixes.
3391         (-std): Move reference to standards closer to where language
3392         standards are first mentioned.
3393         
3394 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3396         PR rtl-optimization/34995
3397         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3398         parameter and return a bool.  If the rtx parameter is nonnull,
3399         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3400         (find_reloads): Update call accordingly.  Pass the new operand
3401         if it needed no address reloads, otherwise pass null.
3403 2008-01-30  Richard Henderson  <rth@redhat.com>
3405         PR c/34993
3406         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3407         for unbounded arrays.
3409 2008-01-30  Silvius Rus  <rus@google.com>
3411         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3413 2008-01-30  Jan Hubicka  <jh@suse.cz>
3415         PR target/34982
3416         * i386.c (init_cumulative_args): Use real function declaration when
3417         calling locally.
3419 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3421         PR rtl-optimization/34998
3422         * global.c (build_insn_chain): Treat non-subreg_lowpart
3423         SUBREGs of pseudos as clobbering all the words covered by the
3424         SUBREG, not just all the bytes.
3425         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3426         original df_ref rather than an extract parameter.
3427         (global_conflicts): Update call accordingly.
3429 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3431         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3432         the overflow check to make it easier to read.
3433         (__fixtfdi): Change the type of the ll member in union
3434         long_double to UDItype_x.
3436 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3438         PR middle-end/34969
3439         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3440         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3441         * tree-inline.c (fold_marked_statements): Call
3442         cgraph_update_edges_for_call_stmt if folding a call statement.
3443         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3444         debug_generic_stmt calls, reset it back afterwards.
3446         PR c/35017
3447         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3448         static decls.
3449         * c-typeck.c (build_external_ref): Don't pedwarn about
3450         static vars in current function's scope.
3452 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3454         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3456 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3458         PR c/35002
3459         * ipa-struct-reorg.c: Fix spelling.
3460         * params.def: Ditto.
3462 2008-01-29  Richard Guenther  <rguenther@suse.de>
3464         PR middle-end/35006
3465         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3466         field.
3467         * tree-inline.c (remap_type): Increment remapping_type_depth
3468         around remapping types.
3469         (copy_body_r): Only add referenced variables if they are referenced
3470         from code, not types.
3472 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3474         PR c++/34055
3475         PR c++/34103
3476         PR c++/34219
3477         PR c++/34606
3478         PR c++/34753
3479         PR c++/34754
3480         PR c++/34755
3481         PR c++/34919
3482         PR c++/34961
3483         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3484         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3486 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3488         PR target/34412
3489         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3490         pointer for tiny stack.
3492 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3494         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3496 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3498         * config/vx-common.h: Fix typo in comment.
3500 2008-01-28  Ian Lance Taylor  <iant@google.com>
3502         PR c++/34862
3503         PR c++/33407
3504         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3505         coalesce pointers if they have different DECL_NO_TBAA_P values.
3506         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3507         between variables with different DECL_NO_TBAA_P values.
3509 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3511         PR 31535
3512         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3513         are not legitimate small data references on SPE targets.
3515 2008-01-28  David Daney  <ddaney@avtrex.com>
3517         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3519 2008-01-28  David Daney  <ddaney@avtrex.com>
3521         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3523 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3525         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3526         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3527         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3528         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3529         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3530         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3531         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3532         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3534 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3536         * basic-block.h (condjump_equiv_p): Fix comment.
3538 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3540         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3541         print_generic_stmt_indented): Fix comment.
3543 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3545         * configure.ac (__stack_chk_fail): Add detecion for availability
3546         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3547         * configure: Regenerate.
3549 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3551         PR middle-end/34688
3552         * final.c (output_addr_const): Handle TRUNCATE.
3554 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3556         PR target/34711
3557         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3558         (zero_cost, infinite_cost): New constants.
3559         (struct cost_pair): Change type of cost to comp_cost.
3560         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3561         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3562         New functions.
3563         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3564         split_address_cost, ptr_difference_cost, difference_cost,
3565         get_computation_cost_at, get_computation_cost,
3566         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3567         determine_use_iv_cost_condition, determine_use_iv_costs,
3568         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3569         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3570         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3571         Change type of cost to comp_cost.
3572         (determine_iv_cost): Increase cost of non-original ivs, instead
3573         of decreasing the cost of original ones.
3574         (get_address_cost): Indicate the complexity of the addressing mode 
3575         in comp_cost.
3576         (try_add_cand_for): Prefer using ivs not specific to some object.
3577         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3579 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3580             Janis Johnson  <janis187@us.ibm.com>
3582         PR target/34814
3583         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3584         (TARGET_INSTANTIATE_DECLS): Likewise.
3585         * target.h (expand_to_rtl_hook): New target hook.
3586         (instantiate_decls): Likewise.
3587         * function.c (instantiate_decl): Make non-static.  Rename to...
3588         (instantiate_decl_rtl): ... this.
3589         (instantiate_expr): Use instantiate_decl_rtl.
3590         (instantiate_decls_1): Likewise.
3591         (instantiate_decls): Likewise.
3592         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3593         * function.h (instantiate_decl_rtl): Add prototype.
3594         * cfgexpand.c (target.h): New include.
3595         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3596         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3597         (TARGET_INSTANTIATE_DECLS): Likewise.
3598         (TARGET_INITIALIZER): New target hooks added.
3599         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3600         New prototype.
3601         * config/rs6000/rs6000.c (tree-flow.h): New include.
3602         (machine_function): Add sdmode_stack_slot field.
3603         (rs6000_alloc_sdmode_stack_slot): New function.
3604         (rs6000_instantiate_decls): Likewise.
3605         (rs6000_secondary_memory_needed_rtx): Likewise.
3606         (rs6000_check_sdmode): Likewise.
3607         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3608         (TARGET_INSTANTIATE_DECLS): Likewise.
3609         (rs6000_hard_regno_mode_ok): Allow SDmode.
3610         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3611         (rs6000_emit_move): Handle SDmode.
3612         (function_arg_advance): Likewise.
3613         (function_arg): Likewise.
3614         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3615         SDmode var args for 32-bit compiles.
3616         (rs6000_secondary_reload_class): Handle SDmode.
3617         (rs6000_output_function_epilogue): Likewise.
3618         (rs6000_function_value): Simplify if statement.
3619         (rs6000_libcall_value): Likewise.
3620         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3621         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3622         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3623         (movsd_hardfloat): New define_insn.
3624         (movsd_softfloat): Likewise.
3625         (movsd_store): Likewise.
3626         (movsd_load): Likewise.
3627         (extendsddd2): Likewise.
3628         (extendsdtd2): Likewise.
3629         (truncddsd2): Likewise.
3630         (movdd_hardfloat64): Fixup comment.
3631         (UNSPEC_MOVSD_LOAD): New constant.
3632         (UNSPEC_MOVSD_STORE): Likewise.
3634 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3636         PR c++/34965
3637         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3638         TRUTH_XOR_EXPR.
3639         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3640         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3641         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3642         and TRUTH_XOR_EXPR.
3644 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3646         PR target/34794
3647         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3648         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3649         __LONGDOUBLE128 too.
3650         * config/rs6000/aix61.h: New file.
3652 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3654         PR rtl-optimization/34959
3655         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3656         popcount and parity rtxes the same mode as their operand.
3657         Truncate or extend the result to the return value's mode
3658         if necessary.
3660 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3662         PR target/34981
3663         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3664         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3665         to GOT_VERSION_REGNUM.
3666         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3667         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3668         * config/mips/mips.c (mips_emit_call_insn): New function.
3669         (mips_call_tls_get_addr): Call mips_expand_call directly.
3670         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3671         emit_call_insn.
3672         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3673         (mips_expand_call): Update the call to mips16_build_call_stub
3674         accordingly and a remove redundant condition.  Assert that MIPS16
3675         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3676         the call insn.
3677         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3678         TARGET_USE_GOT.
3679         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3680         (mips_avoid_hazard): Remove hazard_set handling.
3681         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3682         (UNSPEC_RESTORE_GP): ...this.
3683         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3684         (FAKE_CALL_REGNO): Rename to...
3685         (GOT_VERSION_REGNUM): ...this.
3686         (type): Add "ghost" value.  Add an associated insn reservation.
3687         (hazard_set): Remove.
3688         (exception_receiver): Rename to...
3689         (restore_gp): ...this and update the unspec identifier accordingly.
3690         (exception_receiver, nonlocal_got_receiver): New expanders.
3691         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3692         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3693         (set_got_version, update_got_version): New patterns.
3695 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3697         PR target/34970
3698         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3700 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3702         PR other/31955
3703         * doc/install.texi2html: Generate gcc-vers.texi.
3705 2008-01-25  DJ Delorie  <dj@redhat.com>
3707         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3709 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3711         * config/c4x: Remove directory.
3712         * config.gcc (crx-*, mt-*): Mark obsolete.
3713         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3714         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3715         sh-*-rtemscoff*): Remove cases.
3716         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3717         * real.c (encode_c4x_single, decode_c4x_single,
3718         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3719         c4x_extended_format): Remove.
3720         * real.h (c4x_single_format, c4x_extended_format): Remove.
3721         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3722         on C4x.
3723         (Pragmas): Remove comment about c4x pragmas.
3724         * doc/install.texi (c4x): Remove target-specific instructions.
3725         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3726         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3727         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3728         refer to C4x source files as examples.
3729         (C4X_FLOAT_FORMAT): Remove documentation.
3731 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3733         * config/bfin/bfin.c (override_options): Reorder tests so that
3734         flag_pic gets enabled for -msep-data.
3736 2008-01-25  Richard Guenther  <rguenther@suse.de>
3738         PR middle-end/32244
3739         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3740         to its bitfield precision if required.
3742 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3744         PR middle-end/33880
3745         * tree-nested.c (walk_omp_for): New function.
3746         (convert_nonlocal_reference, convert_local_reference): Call
3747         walk_omp_for on OMP_FOR.
3748         (convert_call_expr): Call walk_body on OMP_FOR's
3749         OMP_FOR_PRE_INIT_BODY.
3751 2008-01-25  Richard Guenther  <rguenther@suse.de>
3753         PR tree-optimization/34966
3754         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3755         default defs and PHI_NODEs we have to insert after the
3756         defining statement.
3758 2008-01-24  Nick Clifton  <nickc@redhat.com>
3760         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3761         Provide a default definition.
3762         (LIBGCC2_UNITS_PER_WORD): Likewise.
3764         * config/stormy16/stormy16.c: Include df.h for the prototype
3765         for df_regs_ever_live_p.
3766         (xstormy16_expand_builtin_va_start): Convert the stack offset
3767         into a component_ref and then use POINTER_PLUS_EXPR to add it
3768         to the incoming_virtual_args_rtx.
3769         (xstormy16_gimplify_va_arg_expr): Rename to
3770         xstormy16_gimplify_va_arg_expr.
3771         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3772         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3773         xstormy16_gimplify_va_arg_expr.
3774         Fix up some formatting issues.
3776         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3777         Move to predicates.md.
3778         (xs_hi_general_operand): Likewise.
3779         (xs_hi_nonmemory_operand): Likewise.
3780         * config/stormy16/predicates.md:
3781         (xstormy16_carry_plus_operand): New predicate.
3782         (xs_hi_general_operand): New predicate.
3783         (xs_hi_nonmemory_operand): New predicate.
3784         * config/stormy16/stormy16-protos.h:
3785         (xstormy16_carry_plus_operand): Delete prototype.
3786         (xs_hi_general_operand): Likewise.
3787         (xs_hi_nonmemory_operand): Likewise.
3789         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3790         modifiers as they are no longer needed and they can trigger
3791         reload spill failures.
3793         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3794         with a match_operand in order to help reload.
3796         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3797         constraint with 'e' for the 8th alternative as this version of
3798         the mov.w instruction only accepts the lower 8 registers.
3800 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3802         PR target/34856
3803         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3804         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3805         vector elements.
3807 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3809         PR middle-end/33333
3810         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3812 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3814         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3815         New functions.
3816         (remove_structure): Update allocations list before removing structure.
3817         
3818 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3820         * ipa-struct-reorg.c (is_safe_cond_expr, 
3821         create_new_stmts_for_cond_expr): Use integer_zerop function,
3822         that recognize not only zero-pointer, but zero-integer too.
3824 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3826         PR other/22232
3827         * fixproto: Escape "." in sed expression that strips leading "./".
3829 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3831         PR driver/34904
3832         * gcc.c (SWITCH_OK): Removed.
3833         (SWITCH_LIVE): Changed to bit.
3834         (SWITCH_FALSE): Likewise.
3835         (SWITCH_IGNORE): Likewise.
3836         (switchstr): Change live_cond to unsigned int.
3837         (process_command): Replace SWITCH_OK with 0.
3838         (do_self_spec): Likewise.
3839         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3840         (give_switch): Likewise.
3841         (used_arg): Likewise.
3842         (do_spec_1): Set the SWITCH_IGNORE bit.
3843         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3844         bits.  Set the SWITCH_LIVE bit.
3846 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3848         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3850 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3852         PR tree-optimization/34472
3853         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3854         parameter to a "bool *" and set *DATA to false if there is
3855         an unsafe access.  Do not delete the structure here.
3856         (check_cond_exprs): Delete it here instead.
3857         (check_cond_exprs, exclude_cold_structs): Do not increase
3858         I when removing a structure.
3860 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3862         PR target/34856
3863         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3864         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3866 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3868         PR middle-end/34934
3869         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3870         a fixed vector for stack.
3872 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3874         PR c++/25701
3875         * doc/gcc.texi (Software development): Add a direntry for g++.
3876         
3877 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3879         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3880         stale and straggling -fforce-addr comments above.
3882         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3883         define.
3884         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3885         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3887 2008-01-23  Michael Matz  <matz@suse.de>
3889         PR debug/34895
3890         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3891         gen_type_die.
3893 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3895         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3896         malloc result type.
3898 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3900         * config/avr/avr.c (avr_current_arch): New variable.
3901         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3902         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3903         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3904         (avr_override_options): Init 'avr_current_arch'. 
3905         (base_arch_s): Move from here...
3906         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3907         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3908         'mega' to 'have_jmp_call'.
3909         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3910         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3911         macros.
3912         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3913         architectures.
3914         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3915         MULTILIB_MATCHES): (Ditto.).
3917 2008-01-23  Richard Guenther  <rguenther@suse.de>
3919         PR middle-end/31529
3920         * cgraphunit.c (cgraph_reset_node): Always mark the node
3921         not reachable if it is not queued already.
3923 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3925         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3926         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3927         (cputype_selected): New static variable.
3928         (bfin_handle_option): Set it if -mcpu is used.
3929         (override_option): Select default set of workarounds if no cpu type
3930         selected on the command line.
3931         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3933         From  Michael Frysinger  <michael.frysinger@analog.com>
3934         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3935         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3937         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3938         for bf547, bf523, bf524, and bf526.
3939         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3940         bf526.
3941         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3942         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3943         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3944         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3945         * doc/invoke.texi (Blackfin Options): Document that
3946         -mcpu now accept bf547, bf523, bf524, and bf526.
3948 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3950         PR rtl-optimization/34628
3951         * combine.c (try_combine): Stop and undo after the first combination
3952         if an autoincrement side-effect on the first insn has effectively
3953         been lost.
3955 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3957         PR target/34529
3958         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3959         Offset addresses are not valid for Altivec or paired float modes.
3961 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3963         PR c++/34607
3964         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3965         if DECL_INITIAL (decl) is error_mark_node.
3967         PR c++/34914
3968         * c-common.c (handle_vector_size_attribute): Only allow
3969         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3970         the same way as pointer, array etc. types.
3971         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3973         PR c++/34917
3974         * tree.c (build_type_attribute_qual_variant): Call
3975         build_qualified_type if attributes are equal, but quals are not.
3977 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3979         PR 32102
3980         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3981         * flags.h (warn_strict_aliasing): Remove.
3982         (warn_strict_overflow): Remove.
3983         * opts.c (warn_strict_aliasing): Remove.
3984         (warn_strict_overflow): Remove.
3985         * c-opts.c (c_common_handle_option): -Wall only sets
3986         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3987         (c_common_post_options): Give default values to -Wstrict-aliasing
3988         and -Wstrict-overflow if they are uninitialized.
3989         * common.opt (Wstrict-aliasing): Specify Var and Init.
3990         (Wstrict-overflow): Likewise.
3992 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3994         PR rtl-optimization/26854
3995         PR rtl-optimization/34400
3996         PR rtl-optimization/34884
3997         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3998         DF_RD->gen.
3999         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4000         (df_rd_bb_info.expanded_lr_out): Deleted
4001         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4002         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4003         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4004         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4005         Removed code to allocate, initialize or free expanded_lr_out.
4006         (df_rd_bb_local_compute_process_def): Restructured to make more
4007         understandable.
4008         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4009         sets if the sets are being trimmed.
4011 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4013         PR bootstrap/32287
4014         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4015         (as_vers): Likewise.
4016         * configure: Regenerated.
4018 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4020         PR middle-end/33092
4021         * tree-pass.h (pass_build_alias): New pass.
4022         * tree-ssa-alias.c (gate_build_alias): New.
4023         (pass_build_alias): New.
4024         * passes.c (init_optimization_passes): Add pass_build_alias after
4025         pass_create_structure_vars.
4027 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4029         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4030         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4031         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4032         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4033         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4034         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4035         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4036         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4037         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4038         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4039         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4040         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4041         * config/s390/s390.md (FP_ALL): New mode iterator.
4042         (_d): New mode attribute.
4043         ("*signbit<mode>2>"): Changed mode of first operand.
4044         ("isinf<mode>2"): Changed mode of first operand.
4045         ("*TDC_insn"): Adaptation for DFP modes.
4047 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4049         * tree.c (check_qualified_type): Improve function description.
4051 2008-01-21  Jason Merrill  <jason@redhat.com>
4053         PR c++/34196
4054         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4055         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4056         if it is set.
4058 2008-01-21  DJ Delorie  <dj@redhat.com>
4060         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4061         return zero.
4063 2008-01-21  Richard Guenther  <rguenther@suse.de>
4065         PR middle-end/34856
4066         * tree-cfg.c (verify_expr): Allow all invariant expressions
4067         instead of just constant class ones as reference argument.
4068         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4069         like any other constant.
4070         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4072 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4074         * regmove.c (fixup_match_1): Update call crossed frequencies.
4076 2008-01-21  Richard Guenther  <rguenther@suse.de>
4078         PR c/34885
4079         * tree-inline.c (setup_one_parameter): Deal with mismatched
4080         types using a VIEW_CONVERT_EXPR.
4082 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4083             Olga Golovanevsky  <olga@il.ibm.com>
4084         
4085         PR tree-optimization/34701
4086         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4087         when the structure size is not a power of 2.
4089 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4091         * doc/install.texi: Add doc for --enable-checking=df.
4092         
4093 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4095         PR rtl-optimization/34808
4096         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4098 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4100         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4101         input.
4103 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4105         PR rtl-optimization/26854
4106         PR rtl-optimization/34400
4107         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4108         DF_RD->gen.
4109         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4110         (df_rd_bb_info.expanded_lr_out): New.
4111         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4112         * loop_iv.c (iv_analysis_loop_init): Ditto.
4113         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4114         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4115         Added code to allocate, initialize or free expanded_lr_out.
4116         (df_rd_bb_local_compute_process_def): Restructured to make
4117         more understandable.
4118         (df_rd_confluence_n): Add code to do nothing with fake edges and
4119         code to no apply invalidate_by_call sets if the sets are being trimmed.
4120         (df_lr_local_finalize): Renamed to df_lr_finalize.
4121         (df_live_local_finalize): Renamed to df_live_finalize.
4123 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4125         PR target/34831
4126         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4127         deciding whether to use reciprocal instructions.
4129 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4131         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4132         dwarf2out_note_section_used if cold_text_section is NULL.
4134 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4136         PR gcov-profile/34610
4137         * tree-cfg.c (make_edges): Mark both outgoing edges from
4138         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4139         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4140         from OMP_FOR and OMP_CONTINUE outgoing edges.
4142         * tree-profile.c (tree_profiling): Return early if
4143         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4144         at the end.
4145         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4146         from cfun to child_cfun.
4147         * function.h (struct function): Add after_tree_profile bit.
4149 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4151         * config/avr/avr.S (_exit): Disable interrupt.
4153 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4154             Steven Bosscher  <stevenb.gcc@gmail.com>
4156         PR rtl-optimization/26854
4157         PR rtl-optimization/34400
4158         * df-problems.c (df_live_scratch): New scratch bitmap.
4159         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4160         (df_live_reset): Clear the proper bitmaps.
4161         (df_live_bb_local_compute): Only process the artificial defs once
4162         since the order is not important.
4163         (df_live_init): Init the df_live sets only with the variables
4164         found live by df_lr.
4165         (df_live_transfer_function): Use the df_lr sets to prune the
4166         df_live sets as they are being computed.  
4167         (df_live_free): Free df_live_scratch.
4169 2008-01-18  Ian Lance Taylor  <iant@google.com>
4171         * common.opt: Add fmerge-debug-strings.
4172         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4173         flag_merge_debug_strings rather than flag_merge_constants.
4174         * doc/invoke.texi (Option Summary): Mention
4175         -fmerge-debug-strings.
4176         (Debugging Options): Document -fmerge-debug-strings.
4178 2008-01-18  Ian Lance Taylor  <iant@google.com>
4180         PR c++/33407
4181         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4182         (struct tree_function_decl): Add new field operator_new_flag.
4183         * tree-inline.c (expand_call_inline): When inlining a call to
4184         operator new, force the return value to go into a variable, and
4185         set DECL_NO_TBAA_P on that variable.
4186         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4188 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4190         PR debug/34484
4191         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4192         DWARF2_DEBUGGING_INFO.
4193         (dwarf2out_note_section_used): Ditto.  Add prototype.
4194         (have_multiple_function_sections, text_section_used,
4195         cold_text_section_used, *cold_text_sections): Move declarations
4196         before their uses.
4198 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4200         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4201         field and add signal_ra.
4202         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4203         assignments to frame state pc.  Move end of stack check after
4204         MD_FALLBACK_FRAME_STATE_FOR.
4205         (uw_update_context_1): Use frame state signal_regs if set, instead
4206         of checking signal_frame flag.
4207         (uw_update_context): Use frame state signal_ra if set.
4208         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4209         * config/xtensa/linux-unwind.h: New file.
4211 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4213         * modulo-sched.c (get_sched_window): Fix comment typo.
4215 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4217         PR tree-optimization/34648
4218         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4220 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4222         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4223         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4225 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4227         PR rtl-optimization/34400
4228         * df-core.c (df_worklist_dataflow_overeager,
4229         df_worklist_dataflow_doublequeue): New functions.
4230         (df_worklist_dataflow): Two different worklist solvers.
4231         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4232         New param.
4234 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4236         PR testsuite/34821
4237         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4238         and ftree-parallelize-loops.
4240 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4242         PR rtl-optimization/34826
4243         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4245 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4247         * global.c (find_reg): Mark the eh regs as used if necessary.
4248         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4249         * ra.h (struct allocno): no_eh_reg field added.  Changed
4250         no_stack_reg type to bitfield.
4252 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4254         * tree.c (substitute_in_expr): Add missing 'break'.
4256 2008-01-17  Richard Guenther  <rguenther@suse.de>
4258         PR tree-optimization/34825
4259         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4260         x / x as division to handle.
4262 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4264         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4265         "-pthread" is specified.
4266         * pa-hpux11.h (LIB_SPEC): Likewise.
4268 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4269             Peter Bergner  <bergner@vnet.ibm.com>
4271         PR rtl-optimization/33796
4272         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4274 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4276         PR libgfortran/34699
4277         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4278         static links.
4279         * pa-hpux10.h (LINK_SPEC): Likewise.
4280         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4282 2008-01-16  Richard Guenther  <rguenther@suse.de>
4284         PR middle-end/32628
4285         * fold-const.c (fold_convert_const_int_from_int): Do not
4286         set overflow if that occured only because of a sign extension
4287         change when converting from/to a sizetype with the same
4288         precision and signedness.
4290 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4292         PR debug/34249
4293         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4294         location address to the correct place.  Update copyright year.
4296 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4298         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4299         no dependences in the dependence_relations vector.
4301 2008-01-16  Jan Hubicka  <jh@suse.cz>
4303         PR rtl-optimization/31396
4304         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4305         * cfg.c (dump_reg_info): Print it.
4306         * regs.h (struct reg_info_t): add freq_calls_crossed.
4307         (REG_FREQ_CALLS_CROSSED): New macro.
4308         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4309         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4310         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4311         regmove_optimize): Update call crossed frequencies.
4312         * local-alloc.c (struct qty): Add freq_calls_crossed.
4313         (alloc_qty): Copute freq_calls_crossed.
4314         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4315         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4316         * ra.h (struct allocno): Add freq_calls_crossed.
4318 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4320         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4321         libgomp when compiling with ftree-parallelize-loops.
4322         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4324 2008-01-16  Richard Guenther  <rguenther@suse.de>
4326         PR tree-optimization/34769
4327         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4328         * tree.c (int_cst_value): Instead make this function more
4329         permissive in what it accepts as valid input.  Document this
4330         function always sign-extends the value.
4332 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4333             Richard Guenther  <rguenther@suse.de>
4335         PR c/34668
4336         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4337         (gimple_fold_indirect_ref_rhs): ... this.
4338         (gimple_fold_indirect_ref): New function with foldings
4339         that preserve lvalueness.
4340         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4341         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4342         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4343         to fold an INDIRECT_REF, fall back to the old use of
4344         fold_indirect_ref_1.
4346 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4348         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4349         free_conflict_function.
4350         (compute_self_dependence): Same.
4352 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4354         PR debug/34249
4355         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4356         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4357         function global.
4358         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4359         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4360         for DWARF2_UNWIND_INFO targets.
4362 2008-01-16  Richard Guenther  <rguenther@suse.de>
4364         PR c/34768
4365         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4366         type qualifiers for function types.
4368 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4370         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4371         loop_iterator li from previous commit.
4373 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4375         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4377 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4379         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4380         (parallelize_loops): Don't parallelize irreducible components.
4382 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4384         PR c++/24924
4385         * c-opts (c_common_post_options): Do not enable CPP
4386         flag_pedantic_errors by default.
4387         
4388 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4390         PR rtl-optimization/31944
4391         * cse.c (remove_pseudo_from_table): New function.
4392         (merge_equiv_classes): Use above function to remove pseudo-registers.
4393         (invalidate): Likewise.
4395 2008-01-13  Richard Guenther  <rguenther@suse.de>
4397         PR middle-end/34601
4398         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4399         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4401 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4403         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4404         validate_change to unshare the source of the PC set.
4406 2008-01-12  Jan Hubicka  <jh@suse.cz>
4408         PR middle-end/32135
4409         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4410         references above array bounds.  This might trigger bounds checks for
4411         pointers to arrays.
4413 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4415         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4416         new_replaceable_dependencies.
4418 2008-01-12  Doug Kwan  <dougkwan@google.com>
4420         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4421         instead of OPT_Wreturn_type in warning due to ignored return type
4422         qualifiers.
4423         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4424         options included in -Wextra.
4425         * c.opt: New option -Wignored_qualifiers.
4426         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4427         -Wignore_qualifiers.
4428         (-Wignored-qualifiers): Document.
4429         (-Wreturn-type): Remove description of functionality now handled
4430         by -Wignored-qualifiers.
4432 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4434         PR ada/33788
4435         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4436         NOP_EXPR if it is between integral types with the same precision.
4438 2008-01-12  Jan Hubicka  <jh@suse.cz>
4440         PR other/28023
4441         * invoke.texi (max-inline-recursive-depth): Fix default value.
4443 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4445         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4446         correct type.
4448 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4449         
4450         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4451         
4452 2008-01-11  James E. Wilson  <wilson@specifix.com>
4454         PR target/26015
4455         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4457 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4459         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4460         save/restore frame pointer register and don't use 'call-prologues' 
4461         optimization in function with "OS_task" attribute.
4463 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4465         PR middle-end/31309
4466         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4467         when copying to memory.
4469 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4471         PR rtl-optimization/30905
4472         * cfgcleanup.c: Include dce.h
4473         (crossjumps_occured): New global variable.
4474         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4475         If something changed, set crossjumps_occured to true.
4476         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4477         Don't add/remove fake edges to exit here...
4478         (cleanup_cfg): ...but do it here, when crossjumping.
4479         Run a fast DCE when successful crossjumps occured in the latest
4480         iteration of try_optimize_cfg.
4482 2008-01-11  Richard Guenther  <rguenther@suse.de>
4484         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4485         (struct vn_unary_op_s): Likewise.
4486         (vn_reference_insert): Free old reference on hash collision.
4488 2008-01-10  Raksit Ashok  <raksit@google.com>
4490         PR rtl-optimization/27971
4491         * combine.c (find_split_point): Split PLUS expressions which are
4492         inside a MEM rtx, and whose first operand is complex.
4494 2008-01-10  DJ Delorie  <dj@redhat.com>
4496         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4497         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4498         (m32c_hard_regno_ok): Call the underlying function.
4500 2008-01-10  Richard Guenther  <rguenther@suse.de>
4502         PR middle-end/34683
4503         * tree-cfg.c (tree_merge_blocks): Do not go through the
4504         full-blown folding and stmt updating path if we just deal
4505         with virtual operands.
4506         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4507         test for abnormal SSA_NAMEs.
4509 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4511         PR middle-end/34641
4512         * reload.c (push_reload): Add assertions.  All constants from
4513         reg_equiv_constant should have been used for replacing the respective
4514         pseudo earlier.
4515         (find_reloads_address): Invoke find_reloads_address_part for
4516         constant taken from the reg_equiv_constant array.
4518 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4520         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4521         field (valnum) the first in the struct.  Replace bools with
4522         unit bit fields.
4524 2008-01-10  Richard Guenther  <rguenther@suse.de>
4526         PR tree-optimization/34651
4527         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4528         types and ordering for masking and converting.
4530 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4532         PR tree-optimization/34017
4533         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4534         also for PHI_NODE expressions.
4536 2008-01-09  Jan Hubicka  <jh@suse.cz>
4538         PR tree-optimization/34708
4539         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4540         based on number of case labels.
4541         (init_inline_once): Remove switch_cost.
4542         * tree-inline.h (eni_weights_d): Remove switch_cost.
4544 2008-01-09  Richard Guenther  <rguenther@suse.de>
4545         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4547         PR middle-end/30132
4548         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4549         temporary if an rvalue is ok or an lvalue is not required.
4551 2008-01-09  Richard Guenther  <rguenther@suse.de>
4553         PR middle-end/34458
4554         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4555         adjust return type.
4557 2008-01-09  Richard Guenther  <rguenther@suse.de>
4559         PR middle-end/34679
4560         * tree.c (host_integerp): Check for sizetype only if the
4561         type is an integer type.
4563 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4565         PR debug/26364
4566         * opts.c (decode_options): Disable inlining of functions called
4567         once if not in unit-at-a-time mode.
4569 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4571         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4573 2008-01-08  Richard Guenther  <rguenther@suse.de>
4575         PR middle-end/31863
4576         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4577         out early if the result will be unused.
4579 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4581         PR target/34709
4582         Revert:
4584         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4585         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4586         for TARGET_RECIP.       
4587         
4588 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4589         
4590         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4591         for vectorization tuned.
4592         
4593 2008-01-08  Richard Guenther  <rguenther@suse.de>
4595         PR tree-optimization/34683
4596         * tree-ssa-operands.c (operand_build_cmp): Export.
4597         * tree-ssa-operands.h (operand_build_cmp): Declare.
4598         * tree-vn.c (vuses_compare): Remove.
4599         (sort_vuses): Use operand_build_cmp.
4600         (sort_vuses_heap): Likewise.
4601         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4602         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4603         (vdefs_to_vec): Do not sort already sorted VDEFs.
4605 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4607         PR middle-end/34694
4608         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4610 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4612         PR target/34702
4613         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4614         limitations of reciprocal sequences on x86 targets.
4616 2008-01-08  Richard Guenther  <rguenther@suse.de>
4618         PR tree-optimization/34683
4619         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4621 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4623         PR target/34622
4624         * config/darwin.c (darwin_mergeable_string_section): Don't use
4625         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4627 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4629         PR target/34682
4630         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4631         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4632         predicates of op0 and op1 to register_operand.
4633         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4634         expander using X87MODEF mode iterator.  Change predicates of
4635         op0 and op1 to register_operand.
4636         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4637         corresponding patterns and macroize using MODEF macro.  Change
4638         predicates of op0 and op1 to register_operand and remove
4639         "m" constraint. Disparage "r" alternative with "!".
4640         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4641         macroize using X87MODEF macro.  Change predicates of op0 and op1
4642         to register_operand and remove "m" constraint.  Disparage "r"
4643         alternative with "!".
4644         (absneg splitter with memory operands): Remove.
4645         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4646         patterns and macroize using X87MODEF mode iterator.
4647         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4648         Change predicate of op1 to register_operand.
4649         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4650         for memory operands.
4652 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4654         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4656 2008-01-07  Richard Guenther  <rguenther@suse.de>
4658         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4659         fields.
4661 2008-01-07  Richard Guenther  <rguenther@suse.de>
4663         PR tree-optimization/34683
4664         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4665         VOPs of the needed size to save memory.  Use VEC_quick_push
4666         to save compile-time.
4667         (vdefs_to_vec): Likewise.
4669 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4671         * config/spu/spu.md (divdf3): Genetate inline code for double
4672         division.  The implementation doesn't handle INF or NAN, therefore it
4673         only applies when -ffinite-math-only is given.
4675 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4677         PR libstdc++/34680
4678         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4679         * doc/cpp.texi ([Common Predefined Macros]): Document.
4681 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4683         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4684         order to use commutative addition instead of subtraction.
4686 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4687             Mircea Namolaru  <namolaru@il.ibm.com>
4688             Vladimir Yanovsky  <yanov@il.ibm.com>
4689             Revital Eres  <eres@il.ibm.com>
4691         PR tree-optimization/34263
4692         * tree-outof-ssa.c (process_single_block_loop_latch,
4693         contains_tree_r): New functions.
4694         (analyze_edges_for_bb): Call process_single_block_loop_latch
4695         function to empty single-basic-block latch block if possible.
4697 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4699         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4700         for TARGET_RECIP.
4701         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4703 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4705         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4707 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4709         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4711 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4713         PR tree-optimization/34618
4714         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4715         flag from T.
4717 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4719         PR target/34673
4720         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4721         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4722         Update copyright year.
4724         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4725         Update copyright year.
4726         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4727         using NR fixup.
4729 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4731         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4732         edge does not point to current bb before changing need_assert.
4734 2008-01-04  Richard Guenther  <rguenther@suse.de>
4736         PR middle-end/34029
4737         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4738         for verifying purposes if they are is_gimple_min_invariant.
4740 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4742         PR tree-optimization/34448
4743         PR tree-optimization/34465
4744         * gimplify.c (gimplify_init_constructor): Add new parameter
4745         notify_temp_creation.  Use it.
4746         (gimplify_modify_expr_rhs): Take volatiles into account when
4747         optimizing constructors.
4748         Do not optimize constructors if gimplify_init_constructor will dump to
4749         memory.
4750         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4751         * gcc.c-torture/compile/pr34448.c: New.
4753 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4755         PR gcov-profile/34609
4756         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4757         return_slot if result is TREE_ADDRESSABLE.
4759 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4761         * config/mips/mips.md (sqrt_condition): Tweak comment.
4762         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4764 2008-01-03  Tom Tromey  <tromey@redhat.com>
4766         PR c/34457
4767         * c-common.c (c_type_hash): Handle VLAs.
4769 2008-01-03  Jan Hubicka  <jh@suse.cz>
4771         PR tree-optimization/31081
4772         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4773         0 when inlining and not inlining to first basic block.
4774         (remap_decl): When var is initialized to 0, don't set default_def.
4775         (expand_call_inline): Set entry_bb.
4776         * tree-inline.h (copy_body_data): Add entry_bb.
4778 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4780         PR c++/34619
4781         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4782         before returning.
4784         PR tree-optimization/29484
4785         * tree-inline.c (inline_forbidden_p_2): New function.
4786         (inline_forbidden_p): Disallow inlining if some static var
4787         has an address of a local LABEL_DECL in its initializer.
4788         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4789         vs. inlining.
4791 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4793         PR tree-optimization/34635
4794         * tree-data-ref.c (add_other_self_distances): Make sure that the
4795         evolution step is constant.
4797 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4799         PR middle-end/34608
4800         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4802 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4804         * tree-sra.c (scalarize_init): Insert the generate_element_init
4805         statements after the generate_element_zero statements.
4807 2008-01-02  Richard Guenther  <rguenther@suse.de>
4809         PR middle-end/34093
4810         PR middle-end/31976
4811         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4812         for very large number of operands instead of ICEing.
4814 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4816         PR target/34013
4817         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4818         while stack probing.
4820 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4822         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4823         in C++0x mode.
4825 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4827         PR libmudflap/26442
4828         * tree-mudflap.c (mx_register_decls): Guard warning by
4829         !DECL_ARTIFICIAL check.
4831 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4833         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4834         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4835         sse5_perm<mode>): Fix constraints.