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* builtins.def (va_start, va_end, va_copy): Mark nothrow.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-15  Jan Hubicka  <jh@suse.cz>
2
3         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4
5 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6
7         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
8         our distinct integral and vector types.
9
10 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
11
12         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
13         * init.c (build_vtbl_address): Remove call to assemble_external.
14
15 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
16
17         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
18         output for other floating point modes.
19
20 2009-04-14  Diego Novillo  <dnovillo@google.com>
21
22         * diagnostic.c (diagnostic_report_diagnostic): Do not
23         warn about loaded plugins for DK_ERROR and DK_WARNING.
24         * c-decl.c (declspecs_add_type): Move call to
25         invoke_plugin_callbacks ...
26         * c-parser.c (c_parser_declspecs): ... here.
27         * plugin.c (dump_active_plugins): Tidy output.
28
29 2009-04-14  Diego Novillo  <dnovillo@google.com>
30             Le-Chun Wu  <lcwu@google.com>
31
32         * configure.ac: Add --enable-plugin support.
33         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
34         * Makefile.in (PLUGIN_H): Define.
35         Export ENABLE_PLUGIN and GMPINC to site.exp.
36         Add PLUGINLIBS to link command.
37         Add/modify dependencies for plugin.o and files including plugin.h.
38         (plugin.o): New.
39         * config.in: Regenerate.
40         
41         * opts.c (common_handle_option): Handle OPT_fplugin_ and
42         OPT_fplugin_arg_.
43
44 2009-04-14  Le-Chun Wu  <lcwu@google.com>
45
46         * tree-pass.h (register_one_dump_file): Add a prototype for
47         register_one_dump_file.
48         * toplev.c (compile_file): Call initialize_plugins.
49         (do_compile): Call invoke_plugin_callbacks.
50         (toplev_main): Call invoke_plugin_callbacks.
51         * common.opt: Add -fplugin= and -fplugin-arg-.
52         * gcc-plugin.h: New public header file for plugins to include.
53         * plugin.c: New source file.
54         * plugin.h: New internal header file.
55         * passes.c (register_one_dump_file): Make it external.
56         
57         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
58
59 2009-04-14  Diego Novillo  <dnovillo@google.com>
60
61         * doc/plugins.texi: New.
62         * doc/gccint.texi: Add reference to Plugins chapter.
63         * doc/invoke.texi: Document -fplugin and -fplugin-arg
64         * diagnostic.c (diagnostic_report_diagnostic): Warn about
65         loaded plugins, if any.
66         * timevar.def (TV_PLUGIN_INIT): Define.
67         (TV_PLUGIN_RUN): Define.
68         * plugin.c: Include timevar.h
69         (plugins_active_p): New.
70         (dump_active_plugins): New.
71         (debug_active_plugins): New.
72
73 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
74
75         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
76         library paths.
77         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
78
79 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
80
81         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
82         the same as a minus without a shift.
83
84 2009-04-14  Nick Clifton  <nickc@redhat.com>
85
86         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
87         comparisons with small integers will always produce a short
88         branch.
89
90 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
91
92         Merge:
93
94         2008-12-19  Diego Novillo  <dnovillo@google.com>
95
96                 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
97
98 2000-04-14  Richard Guenther  <rguenther@suse.de>
99
100         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
101         verification.
102         (verify_gimple_assign_binary): Likewise.  Handle shifts and
103         rotates correctly.
104         (verify_gimple_phi): Print the mismatched argument position.
105         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
106         Fix types.
107         (vect_update_init_of_dr): Likewise.
108         * matrix-reorg.c (transform_access_sites): Do what the
109         comment suggests.
110         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
111
112 2009-04-13  Michael Eager <eager@eagercon.com>
113
114         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
115         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
116         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
117         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
118         remove duplicate config
119
120 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
121
122         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
123         file_name:line_number type locator of the call site.
124         
125 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
126
127         * genautomata.c: Put blank after comma.
128         (automaton_decls): New.
129         (struct unit_usage): Add comments to member next.
130         (store_alt_unit_usage): Keep the list ordered.
131         (unit_present_on_list_p, equal_alternatives_p): New.
132         (check_regexp_units_distribution): Check units distribution
133         correctness correctly.
134         (main): Don't write automata if error is found.  Return correct
135         exit code.
136         
137         * config/m68k/cf.md (cfv4_ds): Remove.
138         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
139         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
140
141         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
142         power4-load-ext, power4-store, power4-store-update,
143         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
144         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
145         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
146         power4-sqrt, power4-isync): Modify reservation to make correct
147         unit distribution to automata.
148
149         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
150         power5-store-update, power5-two, power5-three, power5-lmul,
151         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
152         
153 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
154
155         * except.c (pass_set_nothrow_function_flags): Set name and add
156         TODO_dump_func.
157         (set_nothrow_function_flags): Mention in the dump file when
158         changing a function to nothrow.
159
160 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
161
162         PR/39066
163         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
164         instead of unsigned long.
165
166 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
167
168         * config/arm/arm.c (return_used_this_function): Remove.
169         (arm_output_function_prologue): Remove use of
170         return_used_this_function.
171         (output_return_instruction): Replace use of
172         return_used_this_function
173         by cfun->machine->return_used_this_function.
174         (arm_output_epilogue): Likewise.
175         (arm_output_function_epilogue): Likewise.
176         (thumb_unexpanded_epilogue): Likewise.
177         * config/arm/arm.h (struct machine_function):
178         New member return_used_this_function.
179
180 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
181
182         * doc/install.texi: Correct description of default directory for
183         --with-gxx-include-dir.
184
185 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
186
187         * fold-const.c (build_range_check): Properly deal with enumeral and
188         boolean base types.
189
190 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
191
192         * doc/invoke.texi (max_gcse_passes): Remove documentation.
193         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
194         * params.h (MAX_GCSE_PASSES): Remove.
195         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
196         in sequence.  Remove ability to run multiple passes.
197         (bypass_jumps): Report run as third CPROP pass.
198
199 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
200
201         PR middle-end/39651
202         * except.c (can_throw_external): Look at each insn in a SEQUENCE
203         when deciding whether the whole SEQUENCE can throw.
204
205 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
206
207         PR target/39740
208         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
209         offseted label references.
210
211 2009-04-11  Jan Hubicka  <jh@suse.cz>
212
213         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
214
215 2009-04-11  Richard Guenther  <rguenther@suse.de>
216
217         PR middle-end/39732
218         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
219         return variables as TREE_ADDRESSABLE.
220
221 2009-04-11  Richard Guenther  <rguenther@suse.de>
222
223         PR tree-optimization/39713
224         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
225         reference trees have SSA_NAME operands.
226
227 2009-04-11  Richard Guenther  <rguenther@suse.de>
228
229         PR c/39712
230         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
231         address expressions.
232
233 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
234
235         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
236         match changes in Cygwin 1.7
237         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
238         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
239
240 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
241
242         PR tree-optimization/39701
243         * doc/invoke.texi (Optimization Options): Document change in
244         meaning and initialization of -fdelete-null-pointer-checks.
245
246 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
247
248         PR middle-end/39701
249         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
250
251         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
252         here.
253
254         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
255
256 2009-04-10  Chao-ying Fu  <fu@mips.com>
257
258         * doc/tm.texi (Instruction Output): Document
259         TARGET_ASM_FINAL_POSTSCAN_INSN.
260         * target.h (final_postscan_insn): New field in asm_out.
261         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
262         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
263         * final.c (final_scan_insn): Call
264         targetm.asm_out.final_postscan_insn after outputting
265         an asm macro and a normal instruction.
266
267         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
268         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
269         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
270         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
271         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
272
273 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
274
275         PR middle-end/39701
276         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
277         variables as non-NULL even with -fdelete-null-pointer-checks.
278
279 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
280
281         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
282
283 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
284
285         PR target/39678
286         * config/i386/i386.c (classify_argument): Handle SCmode with
287         (bit_offset % 64) != 0.
288
289 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
290
291         * doc/invoke.texi (Optimize Options): Add cross-reference to
292         -Q --help=optimizers examples.
293
294 2009-04-10  Ben Elliston  <bje@au.ibm.com>
295
296         PR target/36800
297         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
298         regalign for the reg == fpr and TDmode case.
299
300 2009-04-09  David Ayers  <ayers@fsfe.org>
301
302         PR objc/29200
303         * objc/objc-act.c (warn_with_method): Remove helper function.
304         (check_duplicates): Call warning and inform directly.
305         (really_start_method): Likewise.
306
307 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
308
309         * expmed.c (expand_divmod): Always use a comparison for a division
310         by a large unsigned integer.
311
312         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
313         for things others than variables or functions as nonzero.
314
315 2009-04-09  Nick Clifton  <nickc@redhat.com>
316
317         * unwind-compat.c: Change copyright header to refer to version
318         3 of the GNU General Public License with version 3.1 of the
319         GCC Runtime Library Exception and to point readers at the
320         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
321         * config/alpha/crtfastmath.c: Likewise.
322         * config/alpha/linux-unwind.h: Likewise.
323         * config/alpha/qrnnd.asm: Likewise.
324         * config/alpha/vms-crt0-64.c: Likewise.
325         * config/alpha/vms-crt0.c: Likewise.
326         * config/alpha/vms-dwarf2.asm: Likewise.
327         * config/alpha/vms-dwarf2eh.asm: Likewise.
328         * config/alpha/vms-psxcrt0-64.c: Likewise.
329         * config/alpha/vms-psxcrt0.c: Likewise.
330         * config/alpha/vms_tramp.asm: Likewise.
331         * config/arc/initfini.c: Likewise.
332         * config/arc/lib1funcs.asm: Likewise.
333         * config/arm/bpabi-v6m.S: Likewise.
334         * config/arm/bpabi.S: Likewise.
335         * config/arm/bpabi.c: Likewise.
336         * config/arm/crti.asm: Likewise.
337         * config/arm/crtn.asm: Likewise.
338         * config/arm/ieee754-df.S: Likewise.
339         * config/arm/ieee754-sf.S: Likewise.
340         * config/arm/lib1funcs.asm: Likewise.
341         * config/arm/libunwind.S: Likewise.
342         * config/arm/linux-atomic.c: Likewise.
343         * config/arm/mmintrin.h: Likewise.
344         * config/arm/pr-support.c: Likewise.
345         * config/arm/unaligned-funcs.c: Likewise.
346         * config/arm/unwind-arm.c: Likewise.
347         * config/arm/unwind-arm.h: Likewise.
348         * config/avr/libgcc.S: Likewise.
349         * config/bfin/crti.s: Likewise.
350         * config/bfin/crtlibid.s: Likewise.
351         * config/bfin/crtn.s: Likewise.
352         * config/bfin/lib1funcs.asm: Likewise.
353         * config/bfin/linux-unwind.h: Likewise.
354         * config/cris/arit.c: Likewise.
355         * config/cris/cris_abi_symbol.c: Likewise.
356         * config/darwin-64.c: Likewise.
357         * config/darwin-crt2.c: Likewise.
358         * config/darwin-crt3.c: Likewise.
359         * config/darwin.h: Likewise.
360         * config/dbxelf.h: Likewise.
361         * config/dfp-bit.c: Likewise.
362         * config/dfp-bit.h: Likewise.
363         * config/elfos.h: Likewise.
364         * config/fixed-bit.c: Likewise.
365         * config/fixed-bit.h: Likewise.
366         * config/fp-bit.c: Likewise.
367         * config/fp-bit.h: Likewise.
368         * config/fr30/crti.asm: Likewise.
369         * config/fr30/crtn.asm: Likewise.
370         * config/fr30/lib1funcs.asm: Likewise.
371         * config/freebsd-spec.h: Likewise.
372         * config/frv/cmovd.c: Likewise.
373         * config/frv/cmovh.c: Likewise.
374         * config/frv/cmovw.c: Likewise.
375         * config/frv/frvbegin.c: Likewise.
376         * config/frv/frvend.c: Likewise.
377         * config/frv/lib1funcs.asm: Likewise.
378         * config/glibc-stdint.h: Likewise.
379         * config/h8300/clzhi2.c: Likewise.
380         * config/h8300/crti.asm: Likewise.
381         * config/h8300/crtn.asm: Likewise.
382         * config/h8300/ctzhi2.c: Likewise.
383         * config/h8300/fixunssfsi.c: Likewise.
384         * config/h8300/lib1funcs.asm: Likewise.
385         * config/h8300/parityhi2.c: Likewise.
386         * config/h8300/popcounthi2.c: Likewise.
387         * config/i386/ammintrin.h: Likewise.
388         * config/i386/att.h: Likewise.
389         * config/i386/avxintrin.h: Likewise.
390         * config/i386/biarch64.h: Likewise.
391         * config/i386/bmmintrin.h: Likewise.
392         * config/i386/cpuid.h: Likewise.
393         * config/i386/cross-stdarg.h: Likewise.
394         * config/i386/crtfastmath.c: Likewise.
395         * config/i386/crtprec.c: Likewise.
396         * config/i386/cygming-crtbegin.c: Likewise.
397         * config/i386/cygming-crtend.c: Likewise.
398         * config/i386/cygwin.asm: Likewise.
399         * config/i386/emmintrin.h: Likewise.
400         * config/i386/gmm_malloc.h: Likewise.
401         * config/i386/gthr-win32.c: Likewise.
402         * config/i386/i386.h: Likewise.
403         * config/i386/immintrin.h: Likewise.
404         * config/i386/linux-unwind.h: Likewise.
405         * config/i386/linux64.h: Likewise.
406         * config/i386/mm3dnow.h: Likewise.
407         * config/i386/mmintrin-common.h: Likewise.
408         * config/i386/mmintrin.h: Likewise.
409         * config/i386/nmmintrin.h: Likewise.
410         * config/i386/pmm_malloc.h: Likewise.
411         * config/i386/pmmintrin.h: Likewise.
412         * config/i386/smmintrin.h: Likewise.
413         * config/i386/sol2-c1.asm: Likewise.
414         * config/i386/sol2-ci.asm: Likewise.
415         * config/i386/sol2-cn.asm: Likewise.
416         * config/i386/sol2-gc1.asm: Likewise.
417         * config/i386/tmmintrin.h: Likewise.
418         * config/i386/unix.h: Likewise.
419         * config/i386/w32-unwind.h: Likewise.
420         * config/i386/wmmintrin.h: Likewise.
421         * config/i386/x86-64.h: Likewise.
422         * config/i386/x86intrin.h: Likewise.
423         * config/i386/xmmintrin.h: Likewise.
424         * config/ia64/crtbegin.asm: Likewise.
425         * config/ia64/crtend.asm: Likewise.
426         * config/ia64/crtfastmath.c: Likewise.
427         * config/ia64/crti.asm: Likewise.
428         * config/ia64/crtn.asm: Likewise.
429         * config/ia64/fde-glibc.c: Likewise.
430         * config/ia64/lib1funcs.asm: Likewise.
431         * config/ia64/linux-unwind.h: Likewise.
432         * config/ia64/quadlib.c: Likewise.
433         * config/ia64/unwind-ia64.c: Likewise.
434         * config/linux.h: Likewise.
435         * config/m32c/m32c-lib1.S: Likewise.
436         * config/m32c/m32c-lib2-trapv.c: Likewise.
437         * config/m32c/m32c-lib2.c: Likewise.
438         * config/m32r/initfini.c: Likewise.
439         * config/m68hc11/larith.asm: Likewise.
440         * config/m68hc11/m68hc11-crt0.S: Likewise.
441         * config/m68k/cf.md: Likewise.
442         * config/m68k/crti.s: Likewise.
443         * config/m68k/crtn.s: Likewise.
444         * config/m68k/lb1sf68.asm: Likewise.
445         * config/m68k/linux-unwind.h: Likewise.
446         * config/mcore/crti.asm: Likewise.
447         * config/mcore/crtn.asm: Likewise.
448         * config/mcore/lib1.asm: Likewise.
449         * config/mips/linux-unwind.h: Likewise.
450         * config/mips/loongson.h: Likewise.
451         * config/mips/mips16.S: Likewise.
452         * config/mmix/crti.asm: Likewise.
453         * config/mmix/crtn.asm: Likewise.
454         * config/pa/fptr.c: Likewise.
455         * config/pa/hpux-unwind.h: Likewise.
456         * config/pa/lib2funcs.asm: Likewise.
457         * config/pa/linux-atomic.c: Likewise.
458         * config/pa/linux-unwind.h: Likewise.
459         * config/pa/milli64.S: Likewise.
460         * config/pa/quadlib.c: Likewise.
461         * config/pa/stublib.c: Likewise.
462         * config/picochip/libgccExtras/adddi3.asm: Likewise.
463         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
464         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
465         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
466         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
467         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
468         * config/picochip/libgccExtras/divmod15.asm: Likewise.
469         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
470         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
471         * config/picochip/libgccExtras/longjmp.asm: Likewise.
472         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
473         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
474         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
475         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
476         * config/picochip/libgccExtras/setjmp.asm: Likewise.
477         * config/picochip/libgccExtras/subdi3.asm: Likewise.
478         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
479         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
480         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
481         * config/rs6000/750cl.h: Likewise.
482         * config/rs6000/altivec.h: Likewise.
483         * config/rs6000/biarch64.h: Likewise.
484         * config/rs6000/crtresfpr.asm: Likewise.
485         * config/rs6000/crtresgpr.asm: Likewise.
486         * config/rs6000/crtresxfpr.asm: Likewise.
487         * config/rs6000/crtresxgpr.asm: Likewise.
488         * config/rs6000/crtsavfpr.asm: Likewise.
489         * config/rs6000/crtsavgpr.asm: Likewise.
490         * config/rs6000/darwin-asm.h: Likewise.
491         * config/rs6000/darwin-fallback.c: Likewise.
492         * config/rs6000/darwin-fpsave.asm: Likewise.
493         * config/rs6000/darwin-ldouble.c: Likewise.
494         * config/rs6000/darwin-tramp.asm: Likewise.
495         * config/rs6000/darwin-unwind.h: Likewise.
496         * config/rs6000/darwin-vecsave.asm: Likewise.
497         * config/rs6000/darwin-world.asm: Likewise.
498         * config/rs6000/e500crtres32gpr.asm: Likewise.
499         * config/rs6000/e500crtres64gpr.asm: Likewise.
500         * config/rs6000/e500crtres64gprctr.asm: Likewise.
501         * config/rs6000/e500crtrest32gpr.asm: Likewise.
502         * config/rs6000/e500crtrest64gpr.asm: Likewise.
503         * config/rs6000/e500crtresx32gpr.asm: Likewise.
504         * config/rs6000/e500crtresx64gpr.asm: Likewise.
505         * config/rs6000/e500crtsav32gpr.asm: Likewise.
506         * config/rs6000/e500crtsav64gpr.asm: Likewise.
507         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
508         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
509         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
510         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
511         * config/rs6000/eabi-ci.asm: Likewise.
512         * config/rs6000/eabi-cn.asm: Likewise.
513         * config/rs6000/eabi.asm: Likewise.
514         * config/rs6000/linux-unwind.h: Likewise.
515         * config/rs6000/linux64.h: Likewise.
516         * config/rs6000/paired.h: Likewise.
517         * config/rs6000/paired.md: Likewise.
518         * config/rs6000/ppc64-fp.c: Likewise.
519         * config/rs6000/ppu_intrinsics.h: Likewise.
520         * config/rs6000/rs6000.h: Likewise.
521         * config/rs6000/si2vmx.h: Likewise.
522         * config/rs6000/sol-ci.asm: Likewise.
523         * config/rs6000/sol-cn.asm: Likewise.
524         * config/rs6000/spe.h: Likewise.
525         * config/rs6000/spu2vmx.h: Likewise.
526         * config/rs6000/sysv4.h: Likewise.
527         * config/rs6000/tramp.asm: Likewise.
528         * config/rs6000/vec_types.h: Likewise.
529         * config/s390/linux-unwind.h: Likewise.
530         * config/s390/tpf-unwind.h: Likewise.
531         * config/score/crti.asm: Likewise.
532         * config/score/crtn.asm: Likewise.
533         * config/sh/crt1.asm: Likewise.
534         * config/sh/crti.asm: Likewise.
535         * config/sh/crtn.asm: Likewise.
536         * config/sh/divtab-sh4-300.c: Likewise.
537         * config/sh/divtab-sh4.c: Likewise.
538         * config/sh/divtab.c: Likewise.
539         * config/sh/lib1funcs-4-300.asm: Likewise.
540         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
541         * config/sh/lib1funcs.asm: Likewise.
542         * config/sh/lib1funcs.h: Likewise.
543         * config/sh/linux-atomic.asm: Likewise.
544         * config/sh/linux-unwind.h: Likewise.
545         * config/sh/shmedia.h: Likewise.
546         * config/sh/sshmedia.h: Likewise.
547         * config/sh/ushmedia.h: Likewise.
548         * config/sparc/crtfastmath.c: Likewise.
549         * config/sparc/linux-unwind.h: Likewise.
550         * config/sparc/sol2-c1.asm: Likewise.
551         * config/sparc/sol2-ci.asm: Likewise.
552         * config/sparc/sol2-cn.asm: Likewise.
553         * config/spu/divmodti4.c: Likewise.
554         * config/spu/divv2df3.c: Likewise.
555         * config/spu/float_disf.c: Likewise.
556         * config/spu/float_unsdidf.c: Likewise.
557         * config/spu/float_unsdisf.c: Likewise.
558         * config/spu/float_unssidf.c: Likewise.
559         * config/spu/mfc_multi_tag_release.c: Likewise.
560         * config/spu/mfc_multi_tag_reserve.c: Likewise.
561         * config/spu/mfc_tag_release.c: Likewise.
562         * config/spu/mfc_tag_reserve.c: Likewise.
563         * config/spu/mfc_tag_table.c: Likewise.
564         * config/spu/multi3.c: Likewise.
565         * config/spu/spu_internals.h: Likewise.
566         * config/spu/spu_intrinsics.h: Likewise.
567         * config/spu/spu_mfcio.h: Likewise.
568         * config/spu/vec_types.h: Likewise.
569         * config/spu/vmx2spu.h: Likewise.
570         * config/stormy16/stormy16-lib2.c: Likewise.
571         * config/svr4.h: Likewise.
572         * config/sync.c: Likewise.
573         * config/v850/lib1funcs.asm: Likewise.
574         * config/vxlib-tls.c: Likewise.
575         * config/vxlib.c: Likewise.
576         * config/vxworks-dummy.h: Likewise.
577         * config/xtensa/crti.asm: Likewise.
578         * config/xtensa/crtn.asm: Likewise.
579         * config/xtensa/ieee754-df.S: Likewise.
580         * config/xtensa/ieee754-sf.S: Likewise.
581         * config/xtensa/lib1funcs.asm: Likewise.
582         * config/xtensa/lib2funcs.S: Likewise.
583         * config/xtensa/linux-unwind.h: Likewise.
584         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
585         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
586         * coretypes.h: Likewise.
587         * crtstuff.c: Likewise.
588         * defaults.h: Likewise.
589         * dwarf2.h: Likewise.
590         * emutls.c: Likewise.
591         * gbl-ctors.h: Likewise.
592         * gcov-io.h: Likewise.
593         * ginclude/float.h: Likewise.
594         * ginclude/iso646.h: Likewise.
595         * ginclude/stdarg.h: Likewise.
596         * ginclude/stdbool.h: Likewise.
597         * ginclude/stddef.h: Likewise.
598         * ginclude/stdfix.h: Likewise.
599         * ginclude/stdint-gcc.h: Likewise.
600         * ginclude/tgmath.h: Likewise.
601         * gthr-aix.h: Likewise.
602         * gthr-dce.h: Likewise.
603         * gthr-gnat.c: Likewise.
604         * gthr-gnat.h: Likewise.
605         * gthr-lynx.h: Likewise.
606         * gthr-mipssde.h: Likewise.
607         * gthr-nks.h: Likewise.
608         * gthr-posix.c: Likewise.
609         * gthr-posix.h: Likewise.
610         * gthr-posix95.h: Likewise.
611         * gthr-rtems.h: Likewise.
612         * gthr-single.h: Likewise.
613         * gthr-solaris.h: Likewise.
614         * gthr-tpf.h: Likewise.
615         * gthr-vxworks.h: Likewise.
616         * gthr-win32.h: Likewise.
617         * gthr.h: Likewise.
618         * libgcc2.c: Likewise.
619         * libgcc2.h: Likewise.
620         * libgcov.c: Likewise.
621         * tsystem.h: Likewise.
622         * typeclass.h: Likewise.
623         * unwind-c.c: Likewise.
624         * unwind-compat.h: Likewise.
625         * unwind-dw2-fde-compat.c: Likewise.
626         * unwind-dw2-fde-darwin.c: Likewise.
627         * unwind-dw2-fde-glibc.c: Likewise.
628         * unwind-dw2-fde.c: Likewise.
629         * unwind-dw2-fde.h: Likewise.
630         * unwind-dw2.c: Likewise.
631         * unwind-dw2.h: Likewise.
632         * unwind-generic.h: Likewise.
633         * unwind-pe.h: Likewise.
634         * unwind-sjlj.c: Likewise.
635         * unwind.inc: Likewise.
636         * config/arm/neon-gen.ml: Change generated copyright header to
637         refer to version 3 of the GNU General Public License with
638         version 3.1 of the GCC Runtime Library Exception and to point
639         readers at the COPYING3 and COPYING3.RUNTIME files and the
640         FSF's license web page.
641         * config/arm/arm_neon.h: Regenerate.
642
643 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
644
645         * config/cris/cris.md: Change copyright header to refer to version
646         3 of the GNU General Public License.
647         * doc/install.texi2html: Change copyright header to refer to version
648         3 of the GNU General Public License and to point readers at the
649         COPYING3 file and the FSF's license web page.
650         * config/vax/linux.h: Likewise.
651
652 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
653
654         * config/i386/i386.md (cmpcc): New.
655         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
656         (sync_compare_and_swap_cc*): Delete.
657
658         * config/s390/s390.c (s390_compare_emitted): Remove.
659         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
660         s390_compare_emitted used to be handled.  Assert that modes match.
661         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
662         refer to sync_compare_and_swap_ccsi.
663         * config/s390/s390.h (s390_compare_emitted): Remove.
664         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
665         instead of s390_compare_emitted.
666         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
667         instead of s390_compare_emitted.
668         * config/s390/s390.md (cmpcc): New.
669         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
670         CC_REGNUM, do not pretend it's set.
671         (sync_compare_and_swap_cc*): Delete.
672         * config/s390/predicates.md (cc_reg_operand): New.
673
674         * expr.c (sync_compare_and_swap_cc): Delete.
675         * optabs.h (sync_compare_and_swap_cc): Delete.
676         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
677         is being used with can_compare_p.
678         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
679         (find_cc_set): New.
680         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
681         look for a MODE_CC set instead.  Use emit_store_flag.
682         (expand_compare_and_swap_loop): Likewise, with some additional
683         complication to avoid a force_reg when useless.  Use
684         emit_cmp_and_jump_insns.
685         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
686         * doc/md.texi (sync_compare_and_swap_cc): Merge with
687         sync_compare_and_swap documentation.
688
689 2009-04-09  Jan Hubicka  <jh@suse.cz>
690
691         * except.c (find_prev_try): Break out from ....
692         (duplicate_eh_regions): ... here; properly update prev_try pointers
693         when duplication part of tree.
694         (dump_eh_tree): Improve dumping.
695         (verify_eh_region): New.
696         (verify_eh_tree): Use it.
697
698 2009-04-06  Richard Guenther  <rguenther@suse.de>
699
700         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
701         &ARRAY addresses by adjusting their types and prepending
702         a conversion.
703         * tree-cfg.c (verify_gimple_assign_single): Verify that
704         addresses are correct.
705
706 2009-04-09  Richard Guenther  <rguenther@suse.de>
707
708         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
709         indices into an array reference if possible.
710         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
711         Fold POINTER_PLUS_EXPR statements with invariant address.
712
713 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
714
715         PR target/39634
716         * config.gcc (powerpc64-*-linux*): Always build biarch.
717
718 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
719
720         PR c/39613
721         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
722         it and pedwarn if this results in an INTEGER_CST.
723
724 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
725
726         * doc/install.texi: Update minimum GMP version.  Remove obsolete
727         text in MPFR section.
728
729 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
730
731         * dwarf2out.c (class_scope_p): New static inline.
732         (class_or_namespace_scope_p): Use it.
733         (gen_variable_die): Use DW_TAG_member tag for static data member
734         declarations instead of DW_TAG_variable.
735
736         PR middle-end/39573
737         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
738         variables.
739
740 2009-04-08  Richard Guenther  <rguenther@suse.de>
741
742         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
743         valueize random data.
744
745 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
746
747         * config.gcc (aix tm_file):  Add aix-stdint.h.
748         (aix tm clause use_gcc_stdint):  Set to wrap.
749         * config/rs6000/aix-stdint.h:  New file.
750         
751 2009-04-08  Richard Guenther  <rguenther@suse.de>
752
753         PR middle-end/36291
754         * tree-dfa.c (add_referenced_var): Do not recurse into
755         global initializers.
756         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
757         exposed variables.
758         (fold_const_aggregate_ref): Likewise.
759
760 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
761
762         * recog.c (ordered_comparison_operator): New.
763         * gensupport.c (std_preds): Add it.
764         * doc/md.texi (Machine-Independent Predicates): Document it.
765
766 2009-04-08  Jan Hubicka  <jh@suse.cz>
767
768         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
769         * function.h (rtl_eh): Remove exception_handler_label_map.
770         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
771         remove_exception_handler_label, for_each_eh_label_1): Remove.
772         (rtl_remove_unreachable_regions): Remove.
773         (convert_from_eh_region_ranges): Do not remove unreachable regions.
774         (find_exception_handler_labels): Don't build the hashtable.
775         (maybe_remove_eh_handler): Remove.
776         (for_each_eh_label): Rewrite to walk the tree.
777         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
778         * except.h (maybe_remove_eh_handler): Remove.
779         * passes.c (init_optimization_passes): Schedule second EH cleanup
780         before out-of-ssa.
781         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
782         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
783
784 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
785
786         * genoutput.c (validate_optab_operands): New.
787         (gen_insn, gen_expand): Call it.
788
789         * genflags.c (gen_insn): Detect misused iterators.
790         (main): Pass line_no to gen_insn, exit with status 1 on error.
791
792         * genextract.c (line_no): Make global.
793         (VEC_safe_set_locstr): Change assertion to error message.
794         (main): Exit with status 1 on error.
795
796 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
797
798         PR c/39614
799         PR c/39673
800         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
801         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
802         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
803         * c-convert.c (convert): Do not call fold on results of conversion
804         functions when the result is a C_MAYBE_CONST_EXPR.
805         * c-parser.c (c_parser_postfix_expression): Do not fold condition
806         of __builtin_choose_expr.
807         * c-typeck.c (remove_c_maybe_const_expr): New.
808         (build_unary_op, build_conditional_expr, build_compound_expr,
809         build_binary_op, c_objc_common_truthvalue_conversion): Call
810         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
811         integer operands.
812
813 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
814
815         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
816         CODE to produce a new one. Add a prototype to use fold_convert_const
817
818 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
819
820         PR bootstrap/39660
821         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
822         mix declarations and code.
823
824 2009-04-08  Ben Elliston  <bje@au.ibm.com>
825
826         * gcc.c: Replace `CC' with `GCC' throughout.
827
828 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
829
830         * doc/invoke.texi: Document Atom support.
831
832 2009-04-07  Jason Merrill  <jason@redhat.com>
833
834         PR c++/25185
835         * c-common.h, c-common.c: Add flag_pretty_templates.
836         * c-opts.c (c_common_handle_option): Set it.
837         * c.opt: Add -fno-pretty-templates.
838         * doc/invoke.texi (C++ Dialect Options): Likewise.
839
840 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
841
842         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
843         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
844         (ia64_expand_builtin): Likewise.
845
846 2009-04-07  Martin Jambor  <mjambor@suse.cz>
847
848         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
849         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
850         ADDR_EXPRS are include too.
851
852 2009-04-07  Richard Guenther  <rguenther@suse.de>
853
854         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
855         decls are only used if passes as parameters or if they are
856         local statics and the call is not to a builtin.
857         (call_may_clobber_ref_p_1): Likewise.
858
859 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
860
861         * expr.c (do_store_flag): Remove last argument.  Simplify code
862         to avoid duplication of tests already done by can_compare_p.
863         (expand_expr_real_1): Adjust caller.
864
865 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
866
867         * optabs.c (can_compare_p): Test the predicate of a
868         cbranch and cstore pattern.
869
870 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
871
872         * expr.c (convert_move): Use emit_store_flag instead of
873         "emulating" it.
874
875 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
876
877         * config/i386/i386.c (ix86_compare_emitted): Remove.
878         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
879         ix86_compare_op0 like ix86_compare_emitted used to be handled.
880         * config/i386/i386.h (ix86_compare_emitted): Remove.
881         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
882         instead of ix86_compare_emitted.
883         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
884
885 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
886
887         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
888         Add t-sysroot-suffix to tmake_file.
889         * config/print-sysroot-suffix.sh: New file.
890         * config/t-sysroot-suffix: New file.
891
892 2009-04-07  Ben Elliston  <bje@au.ibm.com>
893
894         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
895         as the latter produces a warning when the target does not support
896         infinity.
897
898 2009-04-07  Ben Elliston  <bje@au.ibm.com>
899
900         * dfp.c: Replace type punning assignments with memcpy throughout.
901         * Makefile.in (dfp.o-warn): Remove.
902         
903 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
904
905         PR target/39634
906         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
907         Include soft-fp/t-softfp after rs6000/t-linux64.
908
909 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
910
911         * stor-layout.c (set_sizetype): Use the full precision of their
912         machine mode for bitsize types.
913
914 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
915
916         * config/i386/i386.md: Revert 2 accidental checkins.
917
918 2009-04-06  Joey Ye  <joey.ye@intel.com>
919             Xuepeng Guo <xuepeng.guo@intel.com>
920             H.J. Lu  <hongjiu.lu@intel.com>
921
922         Atom pipeline model, tuning and insn selection.
923         * config.gcc (atom): Add atom config options and target.
924
925         * config/i386/atom.md: New.
926
927         * config/i386/i386.c (atom_cost): New cost.
928         (m_ATOM): New macro flag.
929         (initial_ix86_tune_features): Set m_ATOM.
930         (x86_accumulate_outgoing_args): Likewise.
931         (x86_arch_always_fancy_math_387): Likewise.
932         (processor_target): Add Atom cost.
933         (cpu_names): Add Atom cpu name.
934         (override_options): Set Atom ISA.
935         (ix86_issue_rate): New case PROCESSOR_ATOM.
936         (ix86_adjust_cost): Likewise.
937
938         * config/i386/i386.h (TARGET_ATOM): New target macro.
939         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
940         (TARGET_OPT_AGU): New target option.
941         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
942         (processor_type): Add PROCESSOR_ATOM.
943
944         * config/i386/i386.md (cpu): Add new value "atom".
945         (use_carry, movu): New attr.
946         (atom.md): Include atom.md.
947         (adddi3_carry_rex64): Set attr "use_carry".
948         (addqi3_carry): Likewise.
949         (addhi3_carry): Likewise.
950         (addsi3_carry): Likewise.
951         (*addsi3_carry_zext): Likewise.
952         (subdi3_carry_rex64): Likewise.
953         (subqi3_carry): Likewise.
954         (subhi3_carry): Likewise.
955         (subsi3_carry): Likewise.
956         (x86_movdicc_0_m1_rex64): Likewise.
957         (*x86_movdicc_0_m1_se): Likewise.
958         (x86_movsicc_0_m1): Likewise.
959         (*x86_movsicc_0_m1_se): Likewise.
960         (*adddi_1_rex64): Emit add insn as much as possible.
961         (*addsi_1): Likewise.
962         (return_internal): Set atom_unit.
963         (return_internal_long): Likewise.
964         (return_pop_internal): Likewise.
965         (*rcpsf2_sse): Set atom_sse_attr attr.
966         (*qrt<mode>2_sse): Likewise.
967         (*prefetch_sse): Likewise.
968
969         * config/i386/i386-c.c (ix86_target_macros_internal): New case
970         PROCESSOR_ATOM.
971         (ix86_target_macros_internal): Likewise.
972
973         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
974         (*prefetch_sse_rex): Likewise.
975         (sse_rcpv4sf2): Likewise.
976         (sse_vmrcpv4sf2): Likewise.
977         (sse_sqrtv4sf2): Likewise.
978         (<sse>_vmsqrt<mode>2): Likewise.
979         (sse_ldmxcsr): Likewise.
980         (sse_stmxcsr): Likewise.
981         (*sse_sfence): Likewise.
982         (sse2_clflush): Likewise.
983         (*sse2_mfence): Likewise.
984         (*sse2_lfence): Likewise.
985         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
986         (<sse>_movup<ssemodesuffixf2c>): Likewise.
987         (avx_movdqu<avxmodesuffix>): Likewise.
988         (avx_lddqu<avxmodesuffix>): Likewise.
989         (sse2_movntv2di): Change attr "type" to "ssemov".
990         (sse2_movntsi): Likewise.
991         (rsqrtv8sf2): Change attr "type" to "sseadd".
992         (sse3_addsubv2df3): Set attr "atom_unit".
993         (sse3_h<plusminus_insn>v4sf3): Likewise.
994         (*sse2_pmaddwd): Likewise.
995         (*vec_extractv2di_1_rex64): Likewise.
996         (*vec_extractv2di_1_avx): Likewise.
997         (sse2_psadbw): Likewise.
998         (ssse3_phaddwv8hi3): Likewise.
999         (ssse3_phaddwv4hi3): Likewise.
1000         (ssse3_phadddv4si3): Likewise.
1001         (ssse3_phadddv2si3): Likewise.
1002         (ssse3_phaddswv8hi3): Likewise.
1003         (ssse3_phaddswv4hi3): Likewise.
1004         (ssse3_phsubwv8hi3): Likewise.
1005         (ssse3_phsubwv4hi3): Likewise.
1006         (ssse3_phsubdv4si3): Likewise.
1007         (ssse3_phsubdv2si3): Likewise.
1008         (ssse3_phsubswv8hi3): Likewise.
1009         (ssse3_phsubswv4hi3): Likewise.
1010         (ssse3_pmaddubsw128): Likewise.
1011         (sse3_pmaddubsw: Likewise.
1012         (ssse3_palignrti): Likewise.
1013         (ssse3_palignrdi): Likewise.
1014
1015 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1016
1017         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1018
1019 2009-04-06  Richard Guenther  <rguenther@suse.de>
1020
1021         PR tree-optimization/28868
1022         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1023         of which PHI results we inserted.
1024         (insert_into_preds_of_block): Record inserted PHIs.
1025         (eliminate): Eliminate redundant PHI nodes.
1026         (init_pre): Init inserted_phi_names.
1027
1028 2009-04-06  Richard Guenther  <rguenther@suse.de>
1029
1030         PR tree-optimization/39643
1031         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1032         IMAGPART_EXPRs of complex constants.
1033         (execute_fold_all_builtins): If we folded a call queue
1034         TODO_update_address_taken.
1035
1036 2009-04-06  Jan Hubicka  <jh@suse.cz>
1037
1038         PR middle-end/39659
1039         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1040         flag.
1041
1042 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1043
1044         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1045         delay slot.
1046         (ic_invalidate_array): Likewise.
1047
1048 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1049
1050         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1051         alignment for library calls.
1052
1053 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1054
1055         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1056         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1057         * config/i386/mingw-stdint.h:  New file.
1058
1059 2009-04-05  Richard Guenther  <rguenther@suse.de>
1060
1061         PR tree-optimization/39648
1062         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1063         our &A vs. &A[0] IL deficiencies.
1064
1065 2009-04-04  Jan Hubicka  <jh@suse.cz>
1066
1067         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1068         removed toplevel regions.
1069         (sjlj_mark_call_sites): Likewise.
1070
1071 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1072
1073         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1074         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1075         * config/i386/cygwin-stdint.h:  New file.
1076
1077 2009-04-04  Richard Guenther  <rguenther@suse.de>
1078
1079         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1080         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1081         single-argument PHIs if we are in loop-closed SSA form.
1082         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1083         for the pre-condition.
1084         (slpeel_tree_peel_loop_to_edge): Likewise.
1085         (vect_build_loop_niters): Take an optional sequence to append stmts.
1086         (vect_generate_tmps_on_preheader): Likewise.
1087         (vect_do_peeling_for_loop_bound): Take extra guards for the
1088         pre-condition.
1089         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1090         the cost model check.
1091         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1092         guards if we are going to peel.  Do not apply versioning in that case.
1093         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1094         (vect_do_peeling_for_loop_bound): Likewise.
1095         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1096         loop bound only record extra pre-conditions, do not apply loop
1097         versioning.
1098
1099 2009-04-04  Richard Guenther  <rguenther@suse.de>
1100
1101         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1102         renaming code.
1103
1104 2009-04-04  Jan Hubicka  <jh@suse.cz>
1105
1106         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1107         last_basic_block for size of bb->index indexed array.
1108         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1109         compute_out, link_btr_uses, build_btr_def_use_webs,
1110         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1111
1112 2009-04-04  Jan Hubicka  <jh@suse.cz>
1113
1114         * except.c (remove_eh_handler_and_replace): Break out from ...
1115         (remove_eh_handler): ... here.
1116         (bring_to_root): New function.
1117         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1118         handled ones, bring others to root of tree.
1119
1120 2009-04-04  Jan Hubicka  <jh@suse.cz>
1121
1122         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1123         (all_phis_safe_to_merge): New function.
1124         (update_info): New structure.
1125         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1126         (cleanup_empty_eh): Update SSA if possible.
1127
1128 2009-04-04  Richard Guenther  <rguenther@suse.de>
1129
1130         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1131         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1132         (append_vuse): Likewise.
1133
1134 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1135
1136         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1137         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1138         instead of REG_UNSAVED for DW_CFA_undefined.
1139         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1140         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1141         outermost frame.
1142
1143 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1144
1145         PR target/39501
1146         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1147         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1148         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1149
1150 2009-04-04  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/8781
1153         PR tree-optimization/37892
1154         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1155         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1156         (valueize_refs): Call it for *& valueizations.
1157         (shared_reference_ops_from_ref): Rename to ...
1158         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1159         (shared_reference_ops_from_call): Rename to ...
1160         (valueize_shared_reference_ops_from_call): ... this and valueize.
1161         (vn_reference_lookup): Update.
1162         (visit_reference_op_call): Likewise.
1163         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1164         (eliminate): Value-replace the call address in call statements.
1165
1166 2009-04-04  Richard Guenther  <rguenther@suse.de>
1167
1168         PR tree-optimization/39636
1169         * tree-ssa-forwprop.c
1170         (forward_propagate_addr_into_variable_array_index): Check for
1171         GIMPLE_ASSIGN before accessing the rhs code.
1172
1173 2009-04-03  Jason Merrill  <jason@redhat.com>
1174
1175         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1176
1177 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1178
1179         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1180         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1181         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1182         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1183         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1184         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1185         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1186         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1187         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1188         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1189         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1190         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1191         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1192         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1193         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1194         Use fr_reg_or_fp01_operand instead of fr_register_operand
1195
1196         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1197         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1198         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1199
1200 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1201
1202         PR rtl-optimization/39607
1203         PR rtl-optimization/39631
1204
1205         Revert:
1206         
1207         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1208         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1209         instead of DF_LR_OUT.
1210         * ira-lives.c (process_bb_node_lives): Ditto.
1211         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1212         instead of DF_LR_{OUT,IN}.
1213         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1214         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1215
1216 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1217
1218         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1219         (execute_lower_omp): Always run but take the short way out if -fopenmp
1220         is not given.
1221         (gate_lower_omp): Remove, forcing the pass manager to always run the
1222         pass and always set PROP_gimple_lomp.
1223         (pass_lower_omp): Remove gate function.
1224         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1225         PROP_trees.  Instead, require it.
1226         * ipa-cp.c (pass_ipa_cp): Likewise.
1227         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1228         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1229         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1230         and PROP_gimple_leh.
1231
1232 2009-04-03  Richard Guenther  <rguenther@suse.de>
1233
1234         PR middle-end/13146
1235         PR tree-optimization/23940
1236         PR tree-optimization/33237
1237         PR middle-end/33974
1238         PR middle-end/34093
1239         PR tree-optimization/36201
1240         PR tree-optimization/36230
1241         PR tree-optimization/38049
1242         PR tree-optimization/38207
1243         PR tree-optimization/38230
1244         PR tree-optimization/38301
1245         PR tree-optimization/38585
1246         PR middle-end/38895
1247         PR tree-optimization/38985
1248         PR tree-optimization/39299
1249         * tree-ssa-structalias.h: Remove.
1250         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1251         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1252         (struct vuse_element_d): Remove.
1253         (struct vuse_vec_d): Likewise.
1254         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1255         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1256         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1257         VUSE_ELEMENT_VAR): Likewise.
1258         (struct voptype_d): Likewise.
1259         (NUM_VOP_FREE_BUCKETS): Likewise.
1260         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1261         (struct stmt_operands_d): Remove.
1262         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1263         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1264         VDEF_NUM, VDEF_VECT): Likewise.
1265         (copy_virtual_operands): Remove.
1266         (operand_build_cmp): Likewise.
1267         (create_ssa_artificial_load_stmt): Likewise.
1268         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1269         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1270         vuse_index and mayuse_index members.  Pack and move done and iter_type
1271         members to the front.
1272         (SSA_OP_VMAYUSE): Remove.
1273         (SSA_OP_VIRTUAL_USES): Adjust.
1274         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1275         (unlink_stmt_vdef): Declare.
1276         (add_to_addressable_set): Remove.
1277         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1278         (vrp_visit_stmt): Likewise.
1279         * doc/tree-ssa.texi (Alias analysis): Update.
1280         * doc/invoke.texi (max-aliased-vops): Remove docs.
1281         (avg-aliased-vops): Likewise.
1282         * tree-into-ssa.c (syms_to_rename): Remove.
1283         (need_to_update_vops_p): Likewise.
1284         (need_to_initialize_update_ssa_p): Rename to ...
1285         (update_ssa_initialized_fn): ... this.  Track function we are
1286         initialized for.
1287         (symbol_marked_for_renaming): Simplify.
1288         (add_new_name_mapping): Do not set need_to_update_vops_p.
1289         (dump_currdefs): Use SYMS_TO_RENAME.
1290         (rewrite_update_stmt): Always walk all uses/defs.
1291         (dump_update_ssa): Adjust.
1292         (init_update_ssa): Take function argument.  Track what we are
1293         initialized for.
1294         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1295         (create_new_def_for): Initialize for cfun, assert we are initialized
1296         for cfun.
1297         (mark_sym_for_renaming): Simplify.
1298         (mark_set_for_renaming): Do not initialize update-ssa.
1299         (need_ssa_update_p): Simplify.  Take function argument.
1300         (name_mappings_registered_p): Assert we ask for the correct function.
1301         (name_registered_for_update_p): Likewise.
1302         (ssa_names_to_replace): Likewise.
1303         (release_ssa_name_after_update_ssa): Likewise.
1304         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1305         (dump_decl_set): Do not print a newline.
1306         (debug_decl_set): Do it here.
1307         (dump_update_ssa): And here.
1308         * tree-ssa-loop-im.c (move_computations): Adjust.
1309         (movement_possibility): Likewise.
1310         (determine_max_movement): Likewise.
1311         (gather_mem_refs_stmt): Likewise.
1312         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1313         or NAME_MEMORY_TAG.
1314         * tree-complex.c (update_all_vops): Remove.
1315         (expand_complex_move): Adjust.
1316         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1317         Simplify test for memory referencing statement.  Exclude
1318         non-invariant ADDR_EXPRs.
1319         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1320         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1321         (rdg_flag_uses): Likewise.
1322         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1323         related code.
1324         (tree_optimize_tail_calls_1): Also split the
1325         edge from the entry block if we have degenerate PHI nodes in
1326         the first basic block.
1327         * tree.c (init_ttree): Remove memory-tag related code.
1328         (tree_code_size): Likewise.
1329         (tree_node_structure): Likewise.
1330         (build7_stat): Re-write to be build6_stat.
1331         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1332         (SSA_VAR_P): Adjust.
1333         (struct tree_memory_tag): Remove.
1334         (struct tree_memory_partition_tag): Likewise.
1335         (union tree_node): Adjust.
1336         (build7): Re-write to be build6.
1337         * tree-pass.h (pass_reset_cc_flags): Remove.
1338         (TODO_update_address_taken): New flag.
1339         (pass_simple_dse): Remove.
1340         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1341         * params.h (MAX_ALIASED_VOPS): Remove.
1342         (AVG_ALIASED_VOPS): Likewise.
1343         * omp-low.c (expand_omp_taskreg): Update SSA form.
1344         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1345         aliases the lhs in a copy stmt.
1346         * tree-ssa-dse.c (struct address_walk_data): Remove.
1347         (memory_ssa_name_same): Likewise.
1348         (memory_address_same): Likewise.
1349         (get_kill_of_stmt_lhs): Likewise.
1350         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1351         unused stores.  Look through PHI nodes into post-dominated regions.
1352         (dse_optimize_stmt): Simplify.  Properly remove stores.
1353         (tree_ssa_dse): Compute dominators.
1354         (execute_simple_dse): Remove.
1355         (pass_simple_dse): Likewise.
1356         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1357         gimple_loaded_syms and gimple_stored_syms computation.
1358         * toplev.c (dump_memory_report): Dump alias and pta stats.
1359         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1360         (vn_reference_eq): Likewise.
1361         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1362         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1363         valueize_vuses): Remove.
1364         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1365         (get_def_ref_stmt_vuse): ... this.
1366         (vn_reference_lookup_2): New function.
1367         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1368         walking equivalent vuses.  Simplify.
1369         (vn_reference_lookup): Likewise.
1370         (vn_reference_insert): Likewise.
1371         (vn_reference_insert_pieces): Likewise.
1372         (visit_reference_op_call): Simplify.
1373         (visit_reference_op_load): Likewise.
1374         (visit_reference_op_store): Likewise.
1375         (init_scc_vn): Remove shared_lookup_vuses initialization.
1376         (free_scc_vn): Remove shared_lookup_vuses freeing.
1377         (sort_vuses, sort_vuses_heap): Remove.
1378         (get_ref_from_reference_ops): Export.
1379         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1380         vector with single vuse pointer.
1381         (vn_reference_lookup_pieces, vn_reference_lookup,
1382         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1383         (shared_vuses_from_stmt): Remove.
1384         (get_ref_from_reference_ops): Declare.
1385         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1386         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1387         memory-tag related code.
1388         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1389         (likely_value): Add comment, skip static-chain of call statements.
1390         (surely_varying_stmt_p): Adjust.
1391         (gimplify_and_update_call_from_tree): Likewise.
1392         (execute_fold_all_builtins): Do not rebuild alias info.
1393         (gimplify_and_update_call_from_tree): Properly update VOPs.
1394         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1395         (copy_ref_info): Remove memory-tag related code.
1396         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1397         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1398         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1399         computation.
1400         * tree-ssa-dom.c (gimple_p): Remove typedef.
1401         (eliminate_redundant_computations): Adjust.
1402         (record_equivalences_from_stmt): Likewise.
1403         (avail_expr_hash): Likewise.
1404         (avail_expr_eq): Likewise.
1405         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1406         (stmt_makes_single_load): Likewise.
1407         (stmt_makes_single_store): Likewise.
1408         * tree-ssa-alias.c: Rewrite completely.
1409         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1410         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1411         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1412         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1413         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1414         Remove public functions.
1415         (pass_reset_cc_flags): Remove.
1416         (pass_build_alias): Move ...
1417         * tree-ssa-structalias.c (pass_build_alias): ... here.
1418         * tree-ssa-alias.c (may_be_aliased): Move ...
1419         * tree-flow-inline.h (may_be_aliased): ... here.
1420         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1421         count_uses_and_derefs): Move ...
1422         * gimple.c: ... here.
1423         * gimple.h (count_uses_and_derefs): Declare.
1424         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1425         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1426         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1427         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1428         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1429         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1430         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1431         New functions.
1432         * tree-dfa.c (refs_may_alias_p): Move ...
1433         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1434         * tree-ssa-alias.h: New file.
1435         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1436         (statement_sink_location): Likewise.
1437         * opts.c (decode_options): Do not adjust max-aliased-vops or
1438         avg-aliased-vops values.
1439         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1440         (TV_CALL_CLOBBER): Likewise.
1441         (TV_FLOW_SENSITIVE): Likewise.
1442         (TV_FLOW_INSENSITIVE): Likewise.
1443         (TV_MEMORY_PARTITIONING): Likewise.
1444         (TV_ALIAS_STMT_WALK): New timevar.
1445         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1446         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1447         (get_address_description): Remove memory-tag related code.
1448         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1449         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1450         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1451         and immediate uses in statements.  Document.
1452         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1453         (dump_symbols): Remove.
1454         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1455         * alias.c (get_deref_alias_set): New function split out from ...
1456         (get_alias_set): ... here.
1457         * alias.h (get_deref_alias_set): Declare.
1458         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1459         type parameter.  Remove restrict pointer handling.  Create a
1460         ref-all pointer in case type-based alias sets do not conflict.
1461         (vect_analyze_data_refs): Remove SMT related code.
1462         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1463         (vectorizable_load): Likewise.
1464         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1465         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1466         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1467         Ignore vops and SMTs.
1468         (dr_analyze_alias): Likewise..
1469         (free_data_ref): Likewise.
1470         (create_data_ref): Likewise.
1471         (analyze_all_data_dependences): Likewise.
1472         (get_references_in_stmt): Adjust.
1473         * tree-flow-inline.h (gimple_aliases_computed_p,
1474         gimple_addressable_vars, gimple_call_clobbered_vars,
1475         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1476         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1477         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1478         gimple_mem_ref_stats): Remove.
1479         (gimple_vop): New function.
1480         (op_iter_next_use): Remove vuses and mayuses cases.
1481         (op_iter_next_def): Remove vdefs case.
1482         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1483         (clear_and_done_ssa_iter): Do not set removed fields.
1484         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1485         Assert we are not iterating over vuses or vdefs if not also
1486         iterating over uses or defs.
1487         (op_iter_init_use): Likewise.
1488         (op_iter_init_def): Likewise.
1489         (op_iter_next_vdef): Remove.
1490         (op_iter_next_mustdef): Likewise.
1491         (op_iter_init_vdef): Likewise.
1492         (compare_ssa_operands_equal): Likewise.
1493         (link_use_stmts_after): Handle vuse operand.
1494         (is_call_used): Use is_call_clobbered.
1495         (is_call_clobbered): Global variables are always call clobbered,
1496         query the call-clobbers bitmap.
1497         (mark_call_clobbered): Ignore global variables.
1498         (clear_call_clobbered): Likewise.
1499         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1500         virtual operands sanity check.
1501         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1502         Remove.
1503         (TARGET_MEM_REF): Remove TMR_TAG operand.
1504         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1505         Remove call-clobber related code.
1506         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1507         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1508         partitions or escape reason.
1509         (get_single_def_stmt, get_single_def_stmt_from_phi,
1510         get_single_def_stmt_with_phi): Remove.
1511         (dump_referenced_vars): Tidy.
1512         (get_ref_base_and_extent): Allow bare decls.
1513         (collect_dfa_stats): Adjust.
1514         * graphite.c (rename_variables_in_stmt): Adjust.
1515         (graphite_copy_stmts_from_block): Likewise.
1516         (translate_clast): Likewise.
1517         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1518         (EXPR_DIES): New.
1519         (translate_vuse_through_block): Use the oracle.
1520         (phi_translate_1): Adjust.
1521         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1522         in EXPR_DIES.
1523         (valid_in_sets): Check if the VUSE for
1524         a REFERENCE is available.
1525         (eliminate): Do not remove stmts during elimination,
1526         instead queue and remove them afterwards.
1527         (do_pre): Do not rebuild alias info.
1528         (pass_pre): Run TODO_rebuild_alias before PRE.
1529         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1530         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1531         (mark_all_v_defs_stmt): Remove.
1532         (mark_all_v_defs_seq): Adjust.
1533         (sra_replace): Likewise.
1534         (scalarize_use): Likewise.
1535         (scalarize_copy): Likewise.
1536         (scalarize_init): Likewise.
1537         (scalarize_ldst): Likewise.
1538         (todoflags): Remove.
1539         (tree_sra): Do not rebuild alias info.
1540         (tree_sra_early): Adjust.
1541         (pass_sra): Run TODO_update_address_taken before SRA.
1542         * tree-predcom.c (set_alias_info): Remove.
1543         (prepare_initializers_chain): Do not call it.
1544         (mark_virtual_ops_for_renaming): Adjust.
1545         (mark_virtual_ops_for_renaming_list): Remove.
1546         (initialize_root_vars): Adjust.
1547         (initialize_root_vars_lm): Likewise.
1548         (prepare_initializers_chain): Likewise.
1549         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1550         (may_propagate_copy_into_stmt): Likewise.
1551         (merge_alias_info): Do nothing for now.
1552         (propagate_tree_value_into_stmt): Adjust.
1553         (stmt_may_generate_copy): Likewise.
1554         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1555         not mark symbols for renaming.
1556         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1557         with the same statement, make sure to update the new pointed-to one.
1558         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1559         call statements, do not mark symbols for renaming.
1560         (mark_operand_necessary): Dump something.
1561         (ref_may_be_aliased): New function.
1562         (mark_aliased_reaching_defs_necessary_1): New helper function.
1563         (mark_aliased_reaching_defs_necessary): Likewise.
1564         (mark_all_reaching_defs_necessary_1): Likewise.
1565         (mark_all_reaching_defs_necessary): Likewise.
1566         (propagate_necessity): Do not process virtual PHIs.  For
1567         non-aliased loads mark all reaching definitions as necessary.
1568         For aliased loads and stores mark the immediate dominating
1569         aliased clobbers as necessary.
1570         (visited): New global static.
1571         (perform_tree_ssa_dce): Free visited bitmap after propagating
1572         necessity.
1573         (remove_dead_phis): Perform simple dead virtual PHI removal.
1574         (remove_dead_stmt): Properly unlink virtual operands when
1575         removing stores.
1576         (eliminate_unnecessary_stmts): Schedule PHI removal after
1577         stmt removal.
1578         * tree-ssa-ter.c (is_replaceable_p): Adjust.
1579         (process_replaceable): Likewise.
1580         (find_replaceable_in_bb): Likewise.
1581         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1582         based on the single gimple vop.
1583         (verify_flow_insensitive_alias_info): Remove.
1584         (verify_flow_sensitive_alias_info): Likewise.
1585         (verify_call_clobbering): Likewise.
1586         (verify_memory_partitions): Likewise.
1587         (verify_alias_info): Likewise.
1588         (verify_ssa): Adjust..
1589         (execute_update_addresses_taken): Export.  Update SSA
1590         manually.  Optimize only when optimizing.  Use a local bitmap.
1591         (pass_update_address_taken): Remove TODO_update_ssa, add
1592         TODO_dump_func.
1593         (pass_update_address_taken): Just use TODO_update_address_taken.
1594         (init_tree_ssa): Do not initialize addressable_vars.
1595         (verify_ssa): Verify new VUSE / VDEF properties.
1596         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1597         Do not call verify_alias_info.
1598         (delete_tree_ssa): Clear the VUSE, VDEF operands.
1599         Do not free the loaded and stored syms bitmaps.  Reset the escaped
1600         and callused solutions.  Do not free addressable_vars.
1601         Remove memory-tag related code.
1602         (warn_uninitialized_var): Aliases are always available.
1603         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1604         * lambda-code.c (can_put_in_inner_loop): Adjust.
1605         (can_put_after_inner_loop): Likewise.
1606         (perfect_nestify): Likewise.
1607         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1608         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1609         (vectorizable_conversion): Do not mark symbols for renaming.
1610         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1611         (expand_call_inline): Unlink the calls virtual operands before
1612         replacing it.
1613         (tree_function_versioning): Do not call update_ssa if we are not
1614         updating clones.  Simplify.
1615         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1616         (propagate_with_phi): Likewise..
1617         * tree-outof-ssa.c (create_temp): Remove memory tag and call
1618         clobber code.  Assert we are not aliased or global.
1619         * tree-flow.h: Include tree-ssa-alias.h
1620         (enum escape_type): Remove.
1621         (struct mem_sym_stats_d): Likewise.
1622         (struct mem_ref_stats_d): Likewise.
1623         (struct gimple_df): Add vop member.  Remove global_var,
1624         call_clobbered_vars, call_used_vars, addressable_vars,
1625         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
1626         escaped and callused members.
1627         (struct ptr_info_def): Remove all members, add points-to solution
1628         member pt.
1629         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1630         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1631         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1632         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1633         (tree-ssa-alias.o): Likewise.
1634         (toplev.o): Add tree-ssa-alias.h
1635         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1636         * gimple.c (gimple_set_bb): Fix off-by-one error.
1637         (is_gimple_reg): Do not handle memory tags.
1638         (gimple_copy): Also copy virtual operands.
1639         Delay updating the statement.  Do not reset loaded and stored syms.
1640         (gimple_set_stored_syms): Remove.
1641         (gimple_set_loaded_syms): Likewise.
1642         (gimple_call_copy_skip_args): Copy the virtual operands
1643         and mark the new statement modified.
1644         * tree-ssa-structalias.c (may_alias_p): Remove.
1645         (set_uids_in_ptset): Take the alias set to prune with as
1646         parameter.  Fold in the alias test of may_alias_p.
1647         (compute_points_to_sets): Compute whether a ptr is dereferenced
1648         in a local sbitmap.
1649         (process_constraint): Deal with &ANYTHING on the lhs, reject all
1650         other ADDRESSOF constraints on the lhs.
1651         (get_constraint_for_component_ref): Assert that we don't get
1652         ADDRESSOF constraints from the base of the reference.
1653         Properly generate UNKNOWN_OFFSET for DEREF if needed.
1654         (struct variable_info): Remove collapsed_to member.
1655         (get_varinfo_fc): Remove.
1656         (new_var_info): Do not set collapsed_to.
1657         (dump_constraint): Do not follow cycles.
1658         (dump_constraint_graph): Likewise.
1659         (build_pred_graph): Likewise.
1660         (build_succ_graph): Likewise.
1661         (rewrite_constraints): Likewise.
1662         (do_simple_structure_copy): Remove.
1663         (do_rhs_deref_structure_copy): Remove.
1664         (do_lhs_deref_structure_copy): Remove.
1665         (collapse_rest_of_var): Remove.
1666         (do_structure_copy): Re-implement.
1667         (pta_stats): New global variable.
1668         (dump_pta_stats): New function.
1669         (struct constraint_expr): Make offset signed.
1670         (UNKNOWN_OFFSET): Define special value.
1671         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1672         (solution_set_expand): New helper function split out from ...
1673         (do_sd_constraint): ... here.
1674         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
1675         (do_ds_constraint): Likewise.
1676         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
1677         and CALLUSED = *CALLUSED.
1678         (set_union_with_increment): Make inc argument signed.
1679         (type_safe): Remove.
1680         (get_constraint_for_ptr_offset): Handle unknown and negative
1681         constant offsets.
1682         (first_vi_for_offset): Handle offsets before start.  Bail
1683         out early for offsets beyond the variable extent.
1684         (first_or_preceding_vi_for_offset): New function.
1685         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1686         Together with ESCAPED = *ESCAPED this properly computes reachability.
1687         (find_what_var_points_to): New function.
1688         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1689         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1690         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1691         pt_solutions_intersect): New functions.
1692         (compute_call_used_vars): Remove.
1693         (compute_may_aliases): New main entry into PTA computation.
1694         * gimple.h (gimple_p): New typedef.
1695         (struct gimple_statement_base): Remove references_memory_p.
1696         (struct gimple_statement_with_memory_ops_base): Remove
1697         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
1698         members.
1699         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1700         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1701         gimple_set_references_memory): Remove.
1702         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1703         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1704         New functions.
1705         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1706         (verify_expr): Allow RESULT_DECL.
1707         (gimple_duplicate_bb): Do not copy virtual operands.
1708         (gimple_duplicate_sese_region): Adjust.
1709         (gimple_duplicate_sese_tail): Likewise.
1710         (mark_virtual_ops_in_region): Remove.
1711         (move_sese_region_to_fn): Do not call it.
1712         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1713         and pass_simple_dse.
1714         (execute_function_todo): Handle TODO_update_address_taken,
1715         call execute_update_addresses_taken for TODO_rebuild_alias.
1716         (execute_todo): Adjust.
1717         (execute_one_pass): Init dump files early.
1718         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1719         call-clobbered.
1720         (create_general_new_stmt): Clear vops.
1721         * tree-ssa-reassoc.c (get_rank): Adjust.
1722         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1723         symbols for renaming.
1724         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1725         (PARAM_AVG_ALIASED_VOPS): Likewise.
1726         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1727         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1728         * tree-ssa-operands.c: Simplify for new virtual operand representation.
1729         (operand_build_cmp, copy_virtual_operands,
1730         create_ssa_artificial_load_stmt, add_to_addressable_set,
1731         gimple_add_to_addresses_taken): Remove public functions.
1732         (unlink_stmt_vdef): New function.
1733
1734 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1735
1736         * config.gcc (powerpc-*-linux*): Merge variants.
1737
1738 2009-04-02  Chao-ying Fu  <fu@mips.com>
1739             James Grosbach <james.grosbach@microchip.com>
1740
1741         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1742         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1743         cop0_sp_offset.
1744         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1745         keep_interrupts_masked_p, use_debug_exception_return_p.
1746         (mips_attribute_table): Add interrupt, use_shadow_register_set,
1747         keep_interrupts_masked, use_debug_exception_return.
1748         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1749         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1750         New functions.
1751         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1752         (mips_print_operand): Process COP0 registers to print $0 .. $31
1753         correctly for GAS to process.
1754         (mips_interrupt_extra_call_saved_reg_p): New function.
1755         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1756         extra registers.
1757         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1758         (mips_compute_frame_info): Add supports for interrupt context that
1759         includes doubleword accumulators and COP0 registers.
1760         (mips_for_each_saved_acc): New function.
1761         (mips_for_each_saved_gpr_and_fpr): Change the function name from
1762         mips_for_each_saved_reg.
1763         (mips_save_reg): Save accumulators.
1764         (mips_kernel_reg_p): A new for_each_rtx callback.
1765         (mips_expand_prologue): Support interrupt handlers.
1766         (mips_restore_reg): Restore accumulators.
1767         (mips_expand_epilogue): Support interrupt handlers.
1768         (mips_can_use_return_insn): Return false for interrupt handlers.
1769         (mips_epilogue_uses): New function.
1770         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1771         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1772         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1773         cop0_move): New instructions.
1774         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1775         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1776         defines.
1777         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1778         New defines.
1779         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1780         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1781         interrupt handlers, we use K0 as the temporary register.
1782         (EPILOGUE_USES): Change to a function call.
1783         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1784         handlers, we use K0 as the temporary register.
1785         
1786         * doc/extend.texi (Function Attributes): Document interrupt,
1787         use_shadow_register_set, keep_interrupts_masked,
1788         use_debug_exception_return for MIPS attributes.
1789
1790 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1791
1792         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1793         Remove a number of t-files from tmake_file.
1794         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1795         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1796         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1797         target_prototype, not TARGET_PROTOTYPE.
1798         (LINK_OS_GNU_SPEC): Define.
1799         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1800         and darwin-ldoubdle.c.
1801
1802 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1803
1804         PR driver/39293
1805         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1806         (cpp_options): Ditto.
1807         (default_compilers): Ditto.
1808         (display_help): Ditto.
1809         (process_command): Ditto.
1810         (do_spec_1): Ditto.
1811         (set_input): Use lbasename instead of duplicate code.
1812         (save_temps_prefix): New static for -save-temps=obj.
1813         (save_temps_length): Ditto.
1814         
1815         * doc/invoke.texi (-save-temps=obj): Document new variant to
1816         -save-temps switch.
1817
1818 2009-04-02  Jeff Law  <law@redhat.com>
1819
1820         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1821         variable.
1822
1823 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1824
1825         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1826         * configure: Regenerated.
1827
1828 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1829
1830         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1831         share the argument list.
1832
1833 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1834
1835         Merge
1836
1837         2009-02-12  Diego Novillo  <dnovillo@google.com>
1838
1839         * varpool.c (debug_varpool): New.
1840         * cgraph.h (debug_varpool): Declare.
1841
1842 2009-04-02  Jan Hubicka  <jh@suse.cz>
1843
1844         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1845         pass.
1846
1847 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1848
1849         * config/i386/i386.c (ix86_abi): Move initialization to ...
1850         (override_options): Here.
1851
1852 2009-04-02  Christian Bruel  <christian.bruel@st.com>
1853
1854         * config/sh/sh.c (sh_dwarf_register_span): New function.
1855         (TARGET_DWARF_REGISTER_SPAN): Define.
1856         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1857         
1858 2009-04-02  Ira Rosen  <irar@il.ibm.com>
1859
1860         PR tree-optimization/39595
1861         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
1862         interleaved loads group is not  greater than the SLP group size.
1863
1864 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1865
1866         * builtins.c (is_builtin_name): New.
1867         (called_as_built_in): Use is_builtin_name.
1868         * tree.h (is_builtin_name): New.
1869         * varasm.c (incorporeal_function_p): Use is_builtin_name
1870
1871 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
1872
1873         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1874
1875 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
1876
1877         PR c++/26693
1878         * c-decl.c: (clone_underlying_type): Move this ...
1879         * c-common.c (set_underlying_type): ... here.
1880         Also, make sure the function properly sets TYPE_STUB_DECL() on
1881         the newly created typedef variant type.
1882         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1883         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1884         points.
1885
1886 2009-04-02  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/37221
1889         * tree-flow.h (degenerate_phi_result): Declare.
1890         * tree-ssa-dom.c (degenerate_phi_result): Export.
1891         * tree-scalar-evolution.c (analyze_initial_condition): If
1892         the initial condition is defined by a degenerate PHI node
1893         use the degenerate value.
1894
1895 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
1896
1897         PR rtl-optimization/39588
1898         * combine.c (merge_outer_ops): Do not set the constant when this
1899         is not necessary.
1900         (simplify_shift_const_1): Do not modify it either in this case.
1901
1902 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1903
1904         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1905         tuning is deprecated if -mtune value is set to an Itanium1 variant.
1906
1907 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
1908
1909         PR c/29027
1910         * c-lex.c (interpret_float): Default (no suffix) is double.
1911
1912 2009-04-1  Xinliang David Li  <davidxl@google.com>
1913
1914         * config/i386/i386.c (legitimate_constant_p): Recognize
1915         all one vector constant.
1916
1917 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1918
1919         * gcc/config/vax/vax.c: Add #includes to silence warnings.
1920         Change #include order to silence two warnings.
1921
1922 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1923
1924         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1925         (ASM_SPEC): Pass -k to the assembler for PIC code.
1926
1927 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1928
1929         * gcc/config.gcc: Add vax-*-linux* to the switch.
1930         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1931         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1932
1933 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1934
1935         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1936         Use predicate macros instead of GET_CODE() == foo.
1937         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1938         ashlsi3, rotrsi3, <unnamed>): Likewise.
1939
1940 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1941
1942         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1943         jbbccihi, jbbccisi): Remova trailing whitespace.
1944         * gcc/config/vax/constraints.md: Likewise.
1945         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1946         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1947         * gcc/config/vax/predicates.md: Likewise.
1948         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1949         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1950         * gcc/config/vax/vax.h: Likewise.
1951         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1952
1953 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1954
1955         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1956         (indirectable_address_p, adjacent_operands_p): Add spaces around
1957         braces.
1958         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1959
1960 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1961
1962         * gcc/config/vax/vax.c (legitimate_constant_address_p,
1963         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1964         index_term_p, reg_plus_index_p, legitimate_address_p,
1965         vax_mode_dependent_address_p): Update comments to match functions
1966         modified by the recent int->bool conversion.
1967
1968 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1969
1970         * gcc/config/vax/builtins.md: Update copyright message.
1971         * gcc/config/vax/constraints.md: Likewise.
1972         * gcc/config/vax/netbsd-elf.h: Likewise.
1973         * gcc/config/vax/predicates.md: Likewise.
1974         * gcc/config/vax/vax-protos.h: Likewise.
1975         * gcc/config/vax/vax.c: Likewise.
1976         * gcc/config/vax/vax.h: Likewise.
1977         * gcc/config/vax/vax.md: Likewise.
1978         * gcc/config/vax/vax.opt: Likewise.
1979
1980 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1981
1982         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1983         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1984         * gcc/config/vax/constraints.md (B, R): Likewise.
1985         * gcc/config/vax/predicates.md (external_memory_operand,
1986         nonimmediate_addsub_di_operand): Likewise.
1987         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1988         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1989         untyped_call): Likewise.
1990
1991 2009-04-01  Matt Thomas <matt@3am-software.com>
1992
1993         * config/vax/predicates.md: New file.
1994         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
1995         external_const_operand, nonsymbolic_operand, external_memory_operand,
1996         indirect_memory_operand, indexed_memory_operand,
1997         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1998         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1999         predicate.
2000         * config/vax/constraints.md: New file.
2001         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2002         New constraint.
2003         * config/vax/builtins.md: New file.
2004         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2005         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2006         jbbccisi): Define.
2007         * config/vax/vax.opt (mqmath): Add option.
2008         * config/vax/vax.md (isfx): Extend with DI.
2009         (VAXintQH, VAXintQHSD): Define.
2010         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2011         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2012         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2013         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2014         (movdi): Update constraints and use vax_output_int_move().
2015         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2016         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2017         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2018         nonlocal_goto): New.
2019         (mov<mode>): Extend accepted operand types.
2020         (subdi3_old): Rename from subdi3, change update constraints and use
2021         a new implementation.
2022         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2023         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2024         MOVE_RATIO, CLEAR_RATIO): Define.
2025         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2026         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2027         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2028         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2029         (split_quadword_operands): Make static and really allow variable
2030         splitting.
2031         (print_operand_address): Update for PIC generation.
2032         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2033         indexable_address_p, fixup_mathdi_operand,
2034         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2035         (vax_float_literal, legitimate_constant_p,
2036         indirectable_constant_address_p, index_term_p,
2037         reg_plus_index_p): Return bool instead of int.
2038         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2039         where needed.
2040         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2041         generation.
2042         (vax_output_conditional_branch): Indent.
2043         (legitimate_constant_address_p, indirectable_constant_address_p,
2044         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2045         vax_mode_dependent_address_p): Return bool instead of int, update for
2046         PIC generation.
2047         * config/vax/vax-protos.h (legitimate_constant_address_p,
2048         legitimate_constant_p, legitimate_address_p,
2049         vax_mode_dependent_address_p): Change declaration to bool.
2050         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2051         vax_expand_addsub_di_operands, vax_output_int_subtract,
2052         vax_output_movmemsi): Declare.
2053         (split_quadword_operands, vax_float_literal): Delete declaration.
2054         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2055         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2056         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2057         ASM_OUTPUT_DWARF_PCREL): Define.
2058         (ASM_SPEC): Change definition to allow PIC generation.
2059
2060 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2061
2062         * doc/sourcebuild.texi: Update front-end requirements.
2063
2064 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2065
2066         PR target/39226
2067         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2068         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2069         (booldi3_internal3): Use boolean_or_operator instead of
2070         boolean_operator.
2071
2072 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2073
2074         PR c/39605
2075         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2076         declarator whose size is not an integer constant expression but
2077         folds to an integer constant, then treat it as a constant
2078         subsequently.
2079
2080 2009-04-01  Richard Guenther  <rguenther@suse.de>
2081
2082         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2083         i * 4 + 2 to (i * 2 + 1) * 2.
2084
2085 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2086
2087         PR c/37772
2088         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2089         return if c_parser_asm_string_literal returned NULL.
2090
2091 2009-04-01  Nick Clifton  <nickc@redhat.com>
2092
2093         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2094         already defined.
2095         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2096         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2097         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2098         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2099         include it.
2100         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2101         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2102         then include it.
2103
2104 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2105
2106         * varasm.c (default_function_rodata_section): Declare DOT as
2107         const char*.
2108
2109 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2110             Andrey Galkin <agalkin@hypercom.com>
2111
2112         PR/39492
2113         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2114         Make object_name unique for each process.
2115
2116 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2117
2118         PR other/39591
2119         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2120         addressable variables in the parallel that could go out of scope while
2121         running queued tasks.
2122
2123 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2124
2125         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2126         (CASE_VALUES_THRESHOLD): Redefine.
2127         * config/avr/avr.c (avr_override_options): Remove initialization of
2128         avr_case_values_threshold variable.
2129         (avr_case_values_threshold): Remove variable. Add new function.
2130         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2131         * config/avr/avr.opt (mno-tablejump): Remove option.
2132         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2133
2134 2009-04-01  DJ Delorie  <dj@redhat.com>
2135
2136         * varasm.c (default_function_rodata_section): Don't assume
2137         anything about where the first '.' in the section name is.
2138
2139 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2140
2141         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2142         rs6000_emit_stack_tie.
2143
2144 2009-03-31  Ian Lance Taylor  <iant@google.com>
2145
2146         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2147         gimple_code with GIMPLE_RESX, not RESX.
2148
2149 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2150
2151         * c-common.c (c_get_ident): New.
2152         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2153
2154 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2155
2156         * config/rs6000/sysv4.opt (msdata): Improve option description.
2157
2158 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2159
2160         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2161         (divdf3_internal_lat): Remove.
2162         (divxf3_internal_lat): Remove.
2163         (divxf3_internal_thr): Remove.
2164         (divxf): Use divxf3_internal.
2165         * config/ia64/div.md (divsf3_internal_lat): New.
2166         (divdf3_internal_lat): New.
2167         (divxf3_internal): New.
2168
2169 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2170
2171         PR c/448
2172         * Makefile.in (USE_GCC_STDINT): Define.
2173         (stmp-int-hdrs): Install stdint.h if applicable.
2174         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2175         if known.
2176         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2177         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2178         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2179         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2180         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2181         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2182         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2183         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2184         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2185         (c_common_nodes_and_builtins): Initialize
2186         underlying_wchar_type_node.  Do not initialize
2187         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2188         nodes for new types.
2189         (c_stddef_cpp_builtins): Define macros for new types.
2190         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2191         Remove.
2192         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2193         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2194         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2195         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2196         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2197         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2198         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2199         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2200         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2201         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2202         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2203         int16_type_node, int32_type_node, int64_type_node,
2204         uint8_type_node, uint16_type_node, c_uint32_type_node,
2205         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2206         int_least32_type_node, int_least64_type_node,
2207         uint_least8_type_node, uint_least16_type_node,
2208         uint_least32_type_node, uint_least64_type_node,
2209         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2210         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2211         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2212         uintptr_type_node): Define.
2213         * c-cppbuiltin.c (builtin_define_constants,
2214         builtin_define_type_minmax): New.
2215         (builtin_define_stdint_macros): Define more macros.
2216         (c_cpp_builtins): Define more limit macros.
2217         (type_suffix): New.
2218         (builtin_define_type_max): Define in terms of
2219         builtin_define_type_minmax.  Remove is_long parameter.  All
2220         callers changed.
2221         * config.gcc (use_gcc_stdint): Define.
2222         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2223         Add newlib-stdint.h for generic targets.
2224         * config/glibc-stdint.h, config/newlib-stdint.h,
2225         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2226         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2227         * config/score/score.h (UINTPTR_TYPE): Define.
2228         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2229         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2230         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2231         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2232         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2233         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2234         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2235         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2236         * config/spu/spu.h (STDINT_LONG32): Define.
2237         * configure.ac (use_gcc_stdint): Substitute.
2238         * configure: Regenerate.
2239         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2240         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2241         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2242         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2243         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2244         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2245         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2246         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2247         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2248         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2249         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2250         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2251         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2252         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2253         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2254         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2255         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2256         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2257         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2258         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2259         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2260         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2261         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2262         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2263         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2264         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2265         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2266         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2267         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2268
2269 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2270
2271         * loop-iv.c (suitable_set_for_replacement): Renamed from
2272         simplify_using_assignment; changed to return bool and to accept new
2273         args DEST and SRC.  Return true iff we find a source/destination pair
2274         that can be used to make a replacement, and fill SRC and DEST if so.
2275         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2276         changed.
2277         (simplify_using_initial_values): Deal with altered regs here and track
2278         more precisely the effect they have on the validity of our expression.
2279
2280         * loop-iv.c (simplify_using_condition): A condition of the form
2281         (EQ REG CONST) can be used to simply make a substitution.
2282         (simplify_using_initial_values): Keep track of conditions we have seen
2283         and keep using them to simplify new expressions, while applying the
2284         same substitutions to them as to the expression.
2285
2286         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2287         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2288         GEU/LTU reversed.
2289
2290         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2291         changed.  Use this when trying to improve the upper bound.
2292         Generate the comparison by using simplify_gen_relational.
2293
2294         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2295
2296         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2297         functions.
2298         (simplify_using_assignment, simplify_using_initial_values): Call 
2299         replace_in_expr to make replacements.  Call replace_single_def_regs
2300         once on the initial version of the expression.
2301
2302 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2303
2304         PR target/27237
2305         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2306         
2307 2009-03-31  Richard Guenther  <rguenther@suse.de>
2308
2309         PR middle-end/31029
2310         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2311         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2312
2313 2009-03-31  Richard Guenther  <rguenther@suse.de>
2314
2315         * tree.h (div_if_zero_remainder): Declare.
2316         * fold-const.c (div_if_zero_remainder): Export.
2317         * tree-ssa-forwprop.c
2318         (forward_propagate_addr_into_variable_array_index): Handle
2319         constant array index addition outside of the variable index.
2320
2321 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2322
2323         PR target/39592
2324         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2325         define_splits, floatunssi<mode>2): Require x87 conversions from
2326         DImode to be permitted.
2327
2328 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2329
2330         PR preprocessor/15638
2331         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2332
2333 2009-03-31  Richard Guenther  <rguenther@suse.de>
2334
2335         PR middle-end/23401
2336         PR middle-end/27810
2337         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2338         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2339         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2340         a separate statement.
2341         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2342         (lookup_tmp_var): Likewise.
2343         (is_gimple_formal_tmp_or_call_rhs): Remove.
2344         (is_gimple_reg_or_call_rhs): Rename to ...
2345         (is_gimple_reg_rhs_or_call): ... this.
2346         (is_gimple_mem_or_call_rhs): Rename to ...
2347         (is_gimple_mem_rhs_or_call): ... this.
2348         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2349         DECL_GIMPLE_REG_P only if is_formal is true.
2350         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2351         for non-proper post-modify expression gimplification.
2352         (gimplify_self_mod_expr): For post-modify expressions gimplify
2353         the lvalue to a minimal lvalue.
2354         (rhs_predicate_for): Remove formal temp case.
2355         (gimplify_modify_expr_rhs): Likewise.
2356         (gimplify_addr_expr): Use is_gimple_reg.
2357         (gimplify_expr): Remove formal temp cases.
2358         (gimple_regimplify_operands): Likewise.
2359         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2360         and FILTER_EXPR like constants.
2361         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2362         is_gimple_reg.
2363         (is_gimple_formal_tmp_rhs): Remove.
2364         (is_gimple_reg_rhs): Remove special casing.
2365         (is_gimple_mem_rhs): Fix.
2366         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2367         (is_gimple_formal_tmp_var): Remove.
2368         (is_gimple_formal_tmp_reg): Likewise.
2369         (is_gimple_min_lval): Allow invariant component ref parts.
2370         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2371         is_gimple_formal_tmp_reg): Remove declarations.
2372         * tree-cfg.c (verify_expr): Verify that variables with address
2373         taken do not have DECL_GIMPLE_REG_P set.
2374         * tree-mudflap.c (mf_build_check_statement_for): Use
2375         force_gimple_operand instead of gimplify_expr.
2376
2377 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2378
2379         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2380         schedulable rows to compute_split_row.
2381
2382 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2383
2384         PR target/31635
2385         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2386         OPT_mvrsave.
2387
2388 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2389
2390         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2391         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2392         * configure: Regenerate.
2393         * config.in: Regenerate.
2394         * config/rs6000/rs6000.opt (mtls-markers): Add.
2395         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2396         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2397         (tls_ld_aix, tls_ld_sysv): Likewise.
2398         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2399         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2400
2401 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2402
2403         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2404
2405 2009-03-30  Jan Hubicka  <jh@suse.cz>
2406
2407         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2408         out of RESX.
2409         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2410         detection and label handling.
2411
2412 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2413
2414         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2415         left_conflicts_size.
2416         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2417         ALLOCNO_LEFT_CONFLICTS_SIZE.
2418
2419         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2420         remove_allocno_from_bucket_and_push,
2421         allocno_spill_priority_compare, push_allocnos_to_stack,
2422         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2423         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2424         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2425         setup_allocno_left_conflicts_size.
2426         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2427         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2428         setup_allocno_left_conflicts_size instead of
2429         setup_allocno_left_conflicts_num.
2430
2431         * ira-build.c (ira_create_allocno): Use
2432         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2433         ALLOCNO_LEFT_CONFLICTS_NUM.
2434                 
2435 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2436
2437         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2438         instead of DF_LR_OUT.
2439
2440         * ira-lives.c (process_bb_node_lives): Ditto.
2441
2442         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2443         instead of DF_LR_{OUT,IN}.
2444
2445         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2446
2447         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2448
2449 2009-03-30  Jan Hubicka  <jh@suse.cz>
2450
2451         * except.c (label_to_region_map): Fix thinko.
2452
2453 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2454
2455         PR middle-end/38237
2456         * tree.h (tree_find_value): New declaration.
2457         * tree.c (tree_find_value): New function.
2458         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2459
2460 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR debug/39563
2463         * c-decl.c (struct c_binding): Add locus field.
2464         (bind): Add locus argument, set locus field from it.
2465         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2466         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2467         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2468         implicitly_declare, undeclared_variable, lookup_label,
2469         declare_label, c_make_fname_decl, c_builtin_function,
2470         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2471         bind callers.
2472
2473 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2474
2475         PR target/38781
2476         * config/i386/i386.c (classify_argument): Check total size of
2477         structure.
2478
2479 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2480
2481         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2482         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2483         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2484         respectively.
2485
2486         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2487         seen_variable_array_ref while also traversing a union.
2488
2489         * tree-inline.c (optimize_inline_calls): Do not call
2490         cgraph_node_remove_callees.
2491         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2492         (pass_remove_cgraph_callee_edges): New variable.
2493         * passes.c (init_optimization_passes): Add
2494         pass_remove_cgraph_callee_edges after early inlining and before all
2495         late intraprocedural passes.
2496
2497         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2498
2499 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2500
2501         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2502         Fix typos in names.
2503
2504 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2505
2506         * combine.c (simplify_comparison): Use have_insn_for.
2507         * dojump.c (do_jump): Likewise.
2508
2509 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2510
2511         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2512         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2513         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2514         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2515         instead of sparc_compare_emitted.
2516         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2517         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2518         instead of sparc_compare_emitted.
2519
2520 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2521
2522         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2523         enter/exit cfglayout mode.
2524         (pass_partition_block): Require it.
2525         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2526         (combine_instructions): Track basic blocks instead of labels.
2527         (update_cfg_for_uncondjump): New.
2528         (try_combine): Use it.  Update jumps after rescanning.
2529         (pass_combine): Require PROP_cfglayout.
2530         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2531
2532 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2533
2534         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2535         Provide/destroy PROP_cfglayout respectively.
2536         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2537         * tree-pass.h (PROP_cfglayout): New.
2538
2539 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2540
2541         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2542         fold_convert_const_fixed_from_fixed,
2543         fold_convert_const_fixed_from_int,
2544         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2545         set TREE_CONSTANT_OVERFLOW.
2546         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2547         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2548
2549 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2550
2551         * tree-vect-loop-manip.c: New file.
2552         * tree-vectorizer.c: Update documentation and included files.
2553         (vect_loop_location): Make extern.
2554         (rename_use_op): Move to tree-vect-loop-manip.c
2555         (rename_variables_in_bb, rename_variables_in_loop, 
2556         slpeel_update_phis_for_duplicate_loop, 
2557         slpeel_update_phi_nodes_for_guard1,
2558         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2559         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2560         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2561         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
2562         find_loop_location): Likewise.
2563         (new_stmt_vec_info): Move to tree-vect-stmts.c.
2564         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2565         get_vectype_for_scalar_type, vect_is_simple_use,
2566         supportable_widening_operation, supportable_narrowing_operation):
2567         Likewise.
2568         (bb_in_loop_p): Move to tree-vect-loop.c.
2569         (new_loop_vec_info, destroy_loop_vec_info, 
2570         reduction_code_for_scalar_code, report_vect_op, 
2571         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2572         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2573         (vect_supportable_dr_alignment): Likewise.
2574         * tree-vectorizer.h (tree-data-ref.h): Include.
2575         (vect_loop_location): Declare.
2576         Reorganize function declarations according to the new file structure.
2577         * tree-vect-loop.c: New file.
2578         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
2579         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2580         * tree-vect-data-refs.c: New file.
2581         * tree-vect-patterns.c (timevar.h): Don't include.
2582         * tree-vect-stmts.c: New file.
2583         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
2584         tree-vect-slp.c, tree-vect-loop.c.
2585         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
2586         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
2587         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2588         (tree-vect-analyze.o): Remove.
2589         (tree-vect-transform.o): Likewise.
2590         (tree-vect-data-refs.o): Add rule.
2591         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
2592         tree-vect-slp.o): Likewise.
2593         (tree-vect-patterns.o): Remove redundant dependencies.
2594         (tree-vectorizer.o): Likewise.
2595         * tree-vect-slp.c: New file.
2596
2597 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2598
2599         * optc-gen.awk: Warn if an option flag has multiple different
2600         help strings.
2601
2602 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2603
2604         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2605         -floop-block): Document dependences on PPL, CLooG and Graphite.
2606
2607 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2608
2609         PR rtl-optimization/323
2610         * c-common.c (c_fully_fold, convert_and_check,
2611         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2612         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2613         * c-common.def (EXCESS_PRECISION_EXPR): New.
2614         * c-cppbuiltin.c (builtin_define_float_constants): Define
2615         constants with enough digits for long double.
2616         * c-lex.c (interpret_float): Interpret constant with excess
2617         precision where appropriate.
2618         * c-opts.c (c_common_post_options): Set
2619         flag_excess_precision_cmdline.  Give an error for
2620         -fexcess-precision=standard for C++ for processors where the
2621         option is significant.
2622         * c-parser.c (c_parser_conditional_expression): Handle excess
2623         precision in condition.
2624         * c-typeck.c (convert_arguments): Handle arguments with excess
2625         precision.
2626         (build_unary_op): Move excess precision outside operation.
2627         (build_conditional_expr): Likewise.
2628         (build_compound_expr): Likewise.
2629         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2630         (build_modify_expr): Handle excess precision in RHS.
2631         (convert_for_assignment): Handle excess precision in converted
2632         value.
2633         (digest_init, output_init_element, process_init_element): Handle
2634         excess precision in initializer.
2635         (c_finish_return): Handle excess precision in return value.
2636         (build_binary_op): Handle excess precision in operands and add
2637         excess precision as needed for operation.
2638         * common.opt (-fexcess-precision=): New option.
2639         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2640         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2641         For standard excess precision, output explicit conversion to and
2642         truncation from XFmode.
2643         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2644         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2645         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2646         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2647         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2648         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2649         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2650         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2651         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2652         define_splits, sqrt<mode>2): Disable where appropriate for
2653         standard excess precision.
2654         * convert.c (convert_to_real): Do not shorten arithmetic to type
2655         for which excess precision would be used.
2656         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2657         * doc/invoke.texi (-fexcess-precision=): Document option.
2658         (-mfpmath=): Correct index entry.
2659         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2660         flag_excess_precision): New.
2661         * langhooks.c (lhd_post_options): Set
2662         flag_excess_precision_cmdline.
2663         * opts.c (common_handle_option): Handle -fexcess-precision=.
2664         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2665         init_excess_precision): New.
2666         (lang_dependent_init_target): Call init_excess_precision.
2667         * tree.c (excess_precision_type): New.
2668         * tree.h (excess_precision_type): Declare.
2669
2670 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2671
2672         PR c/35235
2673         * c-typeck.c (build_component_ref): Do not copy qualifiers from
2674         non-lvalue to component.
2675
2676 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2677
2678         PR preprocessor/34695
2679         * Makefile.in (c-opts.o): Depend on c-tree.h.
2680         * c-common.c: Move down include of diagnostic.h.
2681         (done_lexing, c_cpp_error): New.
2682         * c-common.h (done_lexing): Declare.
2683         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2684         (parse_in).
2685         * c-opts.c: Include c-tree.h.
2686         (c_common_init_options): Set preprocessor error callback.
2687         (c_common_handle_option): Do not set preprocessor
2688         inhibit_warnings, warnings_are_errors, warn_system_headers,
2689         pedantic_errors or inhibit_warnings flags.
2690         (c_common_post_options): Do not check cpp_errors (parse_in).
2691         (c_common_finish): Do not output dependencies if there were
2692         errors.  Do not check return value of cpp_finish.
2693         * c-ppoutput.c (pp_file_change): Set input_location.
2694         * c-tree.h (c_cpp_error): Declare.
2695         * diagnostic.c (diagnostic_set_info_translated): Also initialize
2696         override_column.
2697         (diagnostic_build_prefix): Check override_column.
2698         * diagnostic.h (diagnostic_info): Add override_column field.
2699         (diagnostic_override_column): Define.
2700
2701 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
2702
2703         * c-common.c (c_expand_expr, c_staticp): Remove.
2704         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2705         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2706         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2707         * c-gimplify.c (gimplify_compound_literal_expr,
2708         optimize_compound_literals_in_ctor): Remove.
2709         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2710         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2711         * c-semantics.c (emit_local_var): Remove.
2712
2713         * langhooks-def.h (lhd_expand_expr): Remove.
2714         * langhooks.c (lhd_expand_expr): Remove.
2715         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2716
2717         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2718         handling from c-semantics.c; don't call into langhook.
2719         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2720         * gimplify.c (gimplify_compound_literal_expr,
2721         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2722         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2723         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2724         as was done in c-gimplify.c.
2725         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2726         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2727         Move from c-common.h.
2728         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2729
2730         * tree.c (staticp): Do not call langhook.
2731         * langhooks.c (lhd_staticp): Delete.
2732         * langhooks-def.h (lhd_staticp): Delete prototype.
2733         (LANG_HOOKS_STATICP): Delete.
2734         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2735
2736         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2737         instead of DECL_STMTs.
2738
2739 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2740
2741         PR c/456
2742         PR c/5675
2743         PR c/19976
2744         PR c/29116
2745         PR c/31871
2746         PR c/35198
2747         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2748         void_type_node.
2749         (fold_call_expr): Return a NOP_EXPR from folding rather than the
2750         contained expression.
2751         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2752         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
2753         conditional expressions for C.
2754         (decl_constant_value_for_optimization): Move from
2755         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
2756         whether optimizing and that the expression is a VAR_DECL not of
2757         array type instead of doing such checks in the caller.  Do not
2758         check pedantic.  Call gcc_unreachable for C++.
2759         * c-common.def (C_MAYBE_CONST_EXPR): New.
2760         * c-common.h (c_fully_fold, c_save_expr,
2761         decl_constant_value_for_optimization): New prototypes.
2762         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2763         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2764         EXPR_INT_CONST_OPERANDS): Define.
2765         * c-convert.c (convert): Strip nops from expression.
2766         * c-decl.c (groktypename): Take extra parameters expr and
2767         expr_const_operands.  Update call to grokdeclarator.
2768         (start_decl): Update call to grokdeclarator.  Add statement for
2769         expressions used in type of decl.
2770         (grokparm): Update call to grokdeclarator.
2771         (push_parm_decl): Update call to grokdeclarator.
2772         (build_compound_literal): Add parameter non_const and build a
2773         C_MAYBE_COSNT_EXPR if applicable.
2774         (grokdeclarator): Take extra parameters expr and
2775         expr_const_operands.  Track expressions used in declaration
2776         specifiers and declarators.  Fold array sizes and track whether
2777         they are constant expressions and whether they are integer
2778         constant expressions.
2779         (parser_xref_tag): Set expr and expr_const_operands fields in
2780         return value.
2781         (grokfield): Update call to grokdeclarator.
2782         (start_function): Update call to grokdeclarator.
2783         (build_null_declspecs): Set expr and expr_const_operands fields in
2784         return value.
2785         (declspecs_add_type): Handle expressions in typeof specifiers.
2786         * c-parser.c (c_parser_declspecs): Set expr and
2787         expr_const_operands fields for declaration specifiers.
2788         (c_parser_enum_specifier): Likewise.
2789         (c_parser_struct_or_union_specifier): Likewise.
2790         (c_parser_typeof_specifier): Likewise.  Update call to
2791         groktypename.  Fold expression as needed.  Return expressions with
2792         type instead of adding statements.
2793         (c_parser_attributes): Update calls to c_parser_expr_list.
2794         (c_parser_statement_after_labels): Fold expression before passing
2795         to objc_build_throw_stmt.
2796         (c_parser_condition): Fold expression.
2797         (c_parser_asm_operands): Fold expression.
2798         (c_parser_conditional_expression): Use c_save_expr.  Update call
2799         to build_conditional_expr.
2800         (c_parser_alignof_expression): Update call to groktypename.
2801         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2802         original_code.  Fold expression argument of va_arg.  Create
2803         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2804         argument to va_arg.  Update calls to groktypename.  Fold array
2805         index for offsetof.  Verify that first argument to
2806         __builtin_choose_expr has integer type.
2807         (c_parser_postfix_expression_after_paren_type): Update calls to
2808         groktypename and build_compound_literal.  Handle expressions with
2809         side effects in type name.
2810         (c_parser_postfix_expression_after_primary): Update call to
2811         c_parser_expr_list.  Set original_code for calls to
2812         __builtin_constant_p.
2813         (c_parser_expr_list): Take extra parameter fold_p.  Fold
2814         expressions if requested.
2815         (c_parser_objc_type_name): Update call to groktypename.
2816         (c_parser_objc_synchronized_statement): Fold expression.
2817         (c_parser_objc_receiver): Fold expression.
2818         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2819         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2820         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2821         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2822         (struct c_typespec): Add elements expr and expr_const_operands.
2823         (struct c_declspecs): Add elements expr and expr_const_operands.
2824         (groktypename, build_conditional_expr, build_compound_literal):
2825         Update prototypes.
2826         (in_late_binary_op): Declare.
2827         * c-typeck.c (note_integer_operands): New function.
2828         (in_late_binary_op): New variable.
2829         (decl_constant_value_for_broken_optimization): Move to c-common.c
2830         and rename to decl_constant_value_for_optimization.
2831         (default_function_array_conversion): Do not strip nops.
2832         (default_conversion): Do not call
2833         decl_constant_value_for_broken_optimization.
2834         (build_array_ref): Do not fold result.
2835         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
2836         result when operand is a VLA.
2837         (c_expr_sizeof_type): Update call to groktypename.  Handle
2838         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
2839         result when operand names a VLA type.
2840         (build_function_call): Update call to build_compound_literal.
2841         Only fold result for calls to __builtin_* functions.  Strip
2842         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
2843         the function designator.
2844         (convert_arguments): Fold arguments.  Update call to
2845         convert_for_assignment.
2846         (build_unary_op): Handle increment and decrement of
2847         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
2848         decrement earlier.  Fold operand of increment and decrement.
2849         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
2850         built for integer operand.  Wrap returns that are INTEGER_CSTs
2851         without being integer constant expressions or that have integer
2852         constant operands without being INTEGER_CSTs.
2853         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2854         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
2855         result is an integer constant expression or can be used in
2856         unevaluated parts of one and avoid folding and wrap as
2857         appropriate.  Fold operands before possibly doing -Wsign-compare
2858         warnings.
2859         (build_compound_expr): Wrap result for C99 if operands can be used
2860         in integer constant expressions.
2861         (build_c_cast): Update call to digest_init.  Do not ignore
2862         overflow from casting floating-point constants to integers.  Wrap
2863         results that could be confused with integer constant expressions,
2864         null pointer constants or floating-point constants.
2865         (c_cast_expr): Update call to groktypename.  Handle expressions
2866         included in type name.
2867         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
2868         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
2869         Update calls to convert_for_assignment.
2870         (convert_for_assignment): Take new parameter
2871         null_pointer_constant.  Do not strip nops or call
2872         decl_constant_value_for_broken_optimization.  Set
2873         in_late_binary_op for conversions to boolean.
2874         (store_init_value): Update call to digest_init.
2875         (digest_init): Take new parameter null_pointer_constant.  Do not
2876         call decl_constant_value_for_broken_optimization.  pedwarn for
2877         initializers not constant expressions.  Update calls to
2878         convert_for_assignment.
2879         (constructor_nonconst): New.
2880         (struct constructor_stack): Add nonconst element.
2881         (really_start_incremental_init, push_init_level, pop_init_level):
2882         Handle constructor_nonconst and nonconst element.
2883         (set_init_index): Call constant_expression_warning for array
2884         designators.
2885         (output_init_element): Fold value.  Set constructor_nonconst as
2886         applicable.  pedwarn for initializers not constant expressions.
2887         Update call to digest_init.  Call constant_expression_warning
2888         where constant initializers are required.
2889         (process_init_element): Use c_save_expr.
2890         (c_finish_goto_ptr): Fold expression.
2891         (c_finish_return): Fold return value.  Update call to
2892         convert_for_assignment.
2893         (c_start_case): Fold switch expression.
2894         (c_process_expr_stmt): Fold expression.
2895         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2896         ensure statement expression is not evaluated in constant expression.
2897         (build_binary_op): Track whether results are integer constant
2898         expressions or may occur in such, disable folding and wrap results
2899         as applicable.  Fold operands for -Wsign-compare warnings unless
2900         in_late_binary_op.
2901         (c_objc_common_truthvalue_conversion): Handle results folded to
2902         integer constants that are not integer constant expressions.
2903         * doc/extend.texi: Document when typeof operands are evaluated,
2904         that condition of __builtin_choose_expr is an integer constant
2905         expression, and more about use of __builtin_constant_p in
2906         initializers.
2907
2908 2009-03-29  Richard Guenther  <rguenther@suse.de>
2909
2910         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2911         propagate addresses of array references.
2912
2913 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2914
2915         * regmove.c (perhaps_ends_bb_p): Remove.
2916         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
2917         from INSN and check that the main loop stays within that basic block.
2918         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2919         (regmove_forward_pass): Split out from regmove_optimize.  Use
2920         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2921         (regmove_backward_pass): Split out from regmove_optimize.  Use
2922         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2923         (regmove_optimize): Simplify.
2924
2925 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2926
2927         PR target/39545
2928         * config/i386/i386.c (classify_argument): Ignore flexible array
2929         member in struct and warn ABI change.
2930
2931 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         * config/i386/i386-protos.h (ix86_agi_dependent): New.
2934
2935         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2936         (ix86_adjust_cost): Updated.
2937
2938 2009-03-29  Jan Hubicka  <jh@suse.cz>
2939
2940         PR middle-end/28850
2941         * tree-pass.h (pass_cleanup_eh): New function.
2942         (remove_unreachable_regions): Break code handling RTL
2943         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2944         that can not be reached by runtime.
2945         (can_be_reached_by_runtime): New function.
2946         (label_to_region_map): New function.
2947         (num_eh_regions): New function.
2948         (rtl_remove_unreachable_regions): New function.
2949         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2950         (remove_eh_region): New function.
2951         * except.h: Include sbitmap and vecprim.
2952         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2953         num_eh_regions): Declare.
2954         * passes.c (init_optimization_passes): Schedule cleanup_eh.
2955         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2956         * tree-eh.c (tree_remove_unreachable_handlers): New function.
2957         (tree_empty_eh_handler_p): New function.
2958         (cleanup_empty_eh): New function.
2959         (cleanup_eh): New function.
2960         (pass_cleanup_eh): New function.
2961
2962 2009-03-29  Jan Hubicka  <jh@suse.cz>
2963
2964         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2965         for removed regions.
2966
2967 2009-03-29  Jan Hubicka  <jh@suse.cz>
2968
2969         * except.c (dump_eh_tree): Dump all datastructures.
2970
2971 2009-03-29  Jan Hubicka  <jh@suse.cz>
2972
2973         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2974         (duplicate_eh_regions_1): Likewise.
2975         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2976         vector; call EH verification.
2977         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2978         Be ready for region being removed.
2979
2980 2009-03-29  Jan Hubicka  <jh@suse.cz>
2981
2982         * bitmap.c (bitmap_last_set_bit): New function.
2983         * bitmap.h (bitmap_last_set_bit): Declare.
2984
2985 2009-03-29  David Ayers  <ayers@fsfe.org>
2986
2987         PR objc/27377
2988         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2989         by calling objc_compare_types and surpress warnings about
2990         incompatible C pointers that are compatible ObjC pointers.
2991         
2992 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
2993
2994         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2995         call initialize_inline_failed.
2996         (initialize_inline_failed): Move it from here ...
2997         * cgraph.c (initialize_inline_failed): ... to here.
2998         (cgraph_create_edge): Call initialize_inline_failed rather than
2999         setting inline_failed directly.
3000
3001 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3002
3003         PR target/32542
3004         * sysv4.opt (msdata): Improve comment.
3005         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3006         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3007
3008 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3009
3010         PR target/30451
3011         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3012         load and store attributes.
3013
3014 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3015
3016         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3017         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3018         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3019         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3020         __builtin_infq and __builtin_huge_valq.
3021
3022 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3023
3024         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3025         atmega8m1 devices.
3026         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3027         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3028
3029 2009-03-28  Xinliang David Li  <davidxl@google.com>
3030
3031         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3032         (do_dbg_cnt): New function.
3033
3034 2009-03-28  Jan Hubicka  <jh@suse.cz>
3035
3036         Merge from pretty-ipa:
3037
3038         2009-03-27  Jan Hubicka  <jh@suse.cz>
3039
3040         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3041         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3042         * passes.c (function_called_by_processed_nodes_p): New.
3043         * ipa-pure-const.c (check_call): Fix handling of operands.
3044         (analyze_function): Dump debug output for skipped bodies.
3045         (local_pure_const): Use function_called_by_processed_nodes_p.
3046         * dwarf2out.c (reference_to_unused): Use output.
3047         * passes.c (do_per_function_toporder): Likewise.
3048
3049         2008-11-12  Jan Hubicka  <jh@suse.cz>
3050
3051         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3052         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3053         state_set_in_source enum
3054         (check_decl): Ignore memory tags; do not set fake looping flags;
3055         dump diagnostics.
3056         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3057         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3058         (check_call, analyze_function): Rewrite.
3059         (check_stmt): New.
3060         (add_new_function): Update call of analyze_function.
3061         (generate_summary): Add call of analyze_function.
3062         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3063         (local_pure_const): New function.
3064         (pass_local_pure_const): New pass.
3065         * ipa-inline.c (inline_transform): Set after_inlining.
3066         * tree-eh.c (stmt_can_throw_external): New.
3067         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3068         work with aliasing built.
3069         * tree-flow.h (stmt_can_throw_external): New.
3070         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3071         and local pure/const pass in early and late optimization queue.
3072
3073 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3074
3075         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3076         allow_func_align.
3077         (fold_binary): Allow function decl aligment consideration is the
3078         second argument is integer constant one.
3079         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3080         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3081         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3082
3083 2009-03-28  Jan Hubicka  <jh@suse.cz>
3084
3085         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3086         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3087         * function.h (rtl_data): Add nothrow flag.
3088         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3089         set DECL_NOTHROW for AVAILABLE functions.
3090
3091 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3092
3093         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3094         following vector keyword has expansion starting with pixel or bool
3095         keyword, expand vector to __vector and pixel or bool to __pixel or
3096         __bool.
3097
3098         PR c++/39554
3099         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3100         warn_if_disallowed_function_p): Removed.
3101         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3102         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3103         warning_if_disallowed_function_p.
3104         * flags.h (warn_if_disallowed_function_p,
3105         warn_disallowed_functions): Removed.
3106         * common.opt (Wdisallowed-function-list=): Removed.
3107         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3108
3109 2009-03-28  Richard Guenther  <rguenther@suse.de>
3110
3111         PR tree-optimization/38723
3112         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3113         the entry block.
3114
3115 2009-03-28  Jan Hubicka  <jh@suse.cz>
3116
3117         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3118         test introduced by my previous patch.
3119
3120 2009-03-28  Richard Guenther  <rguenther@suse.de>
3121
3122         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3123         the PHIs value undefined.
3124
3125 2009-03-28  Jan Hubicka  <jh@suse.cz>
3126
3127         * tree-pass.h (pass_fixup_cfg): New pass.
3128         * ipa-inline.c (inline_transform): Set
3129         always_inline_functions_inlined/after_inlining.
3130         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3131         (pass_fixup_cfg): New pass.
3132         * passes.c (init_optimization_passes): Add fixup_cfg.
3133
3134 2009-03-28  Richard Guenther  <rguenther@suse.de>
3135
3136         PR tree-optimization/38458
3137         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3138         argument use the arguments copy-of value.
3139
3140 2009-03-28  Richard Guenther  <rguenther@suse.de>
3141
3142         PR tree-optimization/38180
3143         * tree-ssa-ccp.c (get_default_value): Simplify.
3144         (likely_value): Likewise.
3145         (surely_varying_stmt_p): Properly handle VOP case.
3146         (ccp_initialize): Likewise.
3147         (ccp_fold): Handle propagating through *&.
3148         (fold_const_aggregate_ref): Also handle decls.
3149
3150 2009-03-28  Jan Hubicka  <jh@suse.cz>
3151
3152         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3153         * cgraph.h (cgraph_node): Likewise.
3154         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3155         (cgraph_reset_node): Use process flag.
3156         (cgraph_mark_functions_to_output): Likewise.
3157         (cgraph_expand_function): Likewise.
3158         (cgraph_expand_all_functions): Likewise.
3159         (cgraph_output_in_order): Likewise.
3160         * dwarf2out.c (reference_to_unused): Likewise.
3161         * passes.c do_per_function_toporder): Likewise.
3162
3163 2009-03-28  Jan Hubicka  <jh@suse.cz>
3164
3165         Bring from lto-branch:
3166
3167         2008-09-03  Doug Kwan  <dougkwan@google.com>
3168
3169         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3170         enums instead of reason strings.
3171         * cgraph.c (cgraph_create_edge): Same.
3172         (cgraph_inline_failed_string): New function.
3173         * cgraph.h (cgraph_inline_failed_t): New enum type.
3174         (cgraph_inline_failed_string): New prototype.
3175         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3176         char pointer to cgraph_inline_failed_t.
3177         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3178         (cgraph_default_inline_p): Ditto.
3179         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3180         to cgraph_inline_failed_t pointer.
3181         * cif-code.def: New file.
3182         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3183         reason string.
3184         (cgraph_check_inline_limits): Change type of REASON to pointer to
3185         cgraph_inline_failed_t.  Replace reason strings with enums.
3186         (cgraph_default_inline_p): Ditto.
3187         (cgraph_recursive_inlining_p): Ditto.
3188         (update_caller_keys): Change type of FAILED_REASON to
3189         cgraph_inline_failed_t.
3190         (cgraph_set_inline_failed): Change type of REASON to pointer to
3191         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3192         convert enums to strings for text output.
3193         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3194         to be of type cgraph_inline_failed_t.  Replace reason strings with
3195         enums.  Call cgraph_inline_failed_string to covert enums
3196         to strings for text output.
3197         (cgraph_decide_inlining): Replace reason strings with enums.
3198         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3199         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3200         for text output.
3201         * tree-inline.c (expand_call_inline): Change type of REASON
3202         to cgraph_inline_failed_t.  Replace reason strings with enums.
3203         Call cgraph_inline_failed_string for text output.
3204         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3205         (cgraph.o): Ditto.
3206
3207 2009-03-28  Jan Hubicka  <jh@suse.cz>
3208
3209         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3210         cgraph_clone_node): Remove master clone handling.
3211         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3212         * cgraph.h (master_clone): Remove.
3213         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3214         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3215         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3216
3217 2009-03-28  Jan Hubicka  <jh@suse.cz>
3218
3219         * cgraph.c (cgraph_function_body_availability): Functions declared
3220         inline are always safe to assume that it is not going to be replaced.
3221
3222 2009-03-28  Richard Guenther  <rguenther@suse.de>
3223
3224         PR tree-optimization/38513
3225         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3226         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3227         EXC_PTR_EXPR and FILTER_EXPR.
3228         (get_ref_from_reference_ops): Likewise.
3229
3230 2009-03-28  Richard Guenther  <rguenther@suse.de>
3231
3232         PR tree-optimization/38968
3233         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3234         Use FLOOR_MOD_EXPR to compute misalignment.
3235
3236 2009-03-28  Richard Guenther  <rguenther@suse.de>
3237
3238         PR tree-optimization/37795
3239         * tree.h (combine_comparisons): Declare.
3240         * fold-const.c (combine_comparisons): Export.
3241         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3242         comparisons.
3243         (ifcombine_iforif): Use combine_comparisons.
3244
3245 2009-03-28  Jan Hubicka  <jh@suse.cz>
3246
3247         * tree-eh.c (inlinable_call_p): New function.
3248         (make_eh_edges): Use it.
3249         (verify_eh_edges): Use it.
3250         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3251         * except.c (reachable_next_level): Add inlinable_function argument
3252         (sjlj_find_directly_reachable_regions): Update.
3253         (add_reachable_handler): Do not set saw_any_handlers.
3254         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3255         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3256         Add new inlinable call parameter.
3257         (can_throw_internal, can_throw_external): Update.
3258         * except.h (can_throw_internal_1, can_throw_external_1,
3259         foreach_reachable_handler): Update declaration.
3260
3261 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3262
3263         * config/arm/t-arm-coff, config/h8300/coff.h,
3264         config/i386/i386-aout.h, config/i386/i386-coff.h,
3265         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3266         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3267         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3268         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3269         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3270         sys-types.h: Remove.
3271         * Makefile.in: Remove protoize and fixproto support and references
3272         in comments.
3273         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3274         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3275         Remove.
3276         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3277         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3278         unprotoize$(exeext).
3279         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3280         (.PHONY): Don't depend on proto.
3281         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3282         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3283         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3284         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3285         build/gen-protos.o, build/scan.o, xsys-protos.h,
3286         build/fix-header$(build_exeext), build/fix-header.o,
3287         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3288         stmp-install-fixproto): Remove.
3289         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3290         SYSCALLS.c or fixproto files.
3291         (install-common): Don't install protoize.
3292         (install-headers-tar, install-headers-cpio, install-headers-cp):
3293         Don't depend on $(STMP_FIXPROTO).
3294         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3295         install fixproto files or write out fixproto settings.
3296         (uninstall): Don't uninstall protoize.
3297         * config.gcc (use_fixproto): Remove.
3298         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3299         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3300         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3301         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3302         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3303         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3304         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3305         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3306         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3307         * config/t-vxworks (STMP_FIXPROTO): Remove.
3308         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3309         STMP_FIXPROTO): Remove.
3310         * config.in, configure: Regenerate.
3311         * crtstuff.c (gid_t, uid_t): Don't undefine.
3312         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3313         (arm-*-coff, arm-*-aout: Remove target entries.
3314         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3315         Remove mention of AIX 4.1.
3316         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3317         * doc/invoke.texi (Running Protoize): Remove.
3318         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3319         (Protoize Caveats): Remove.
3320         * tsystem.h: Update comments on headers assumed to exist.
3321
3322 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3323
3324         * genautomata.c: Add a new year to the copyright.  Add a new
3325         reference.
3326         (struct insn_reserv_decl): Add comments for member bypass_list.
3327         (find_bypass): Remove.
3328         (insert_bypass): New.
3329         (process_decls): Use insert_bypass.
3330         (output_internal_insn_latency_func): Output all bypasses with the
3331         same input insn in one switch case.
3332
3333         * rtl.def (define_bypass): Describe bypass choice.
3334         * doc/md.texi (define_bypass): Ditto.
3335
3336 2009-03-27  Richard Guenther  <rguenther@suse.de>
3337
3338         * gimplify.c (mark_addressable): Export.
3339         * tree-flow.h (mark_addressable): Declare.
3340         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3341         * tree-ssa.c (verify_phi_args): Verify that address taken
3342         variables have TREE_ADDRESSABLE set.
3343
3344 2009-03-27  Richard Guenther  <rguenther@suse.de>
3345
3346         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3347         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3348         Do not mark decls TREE_ADDRESSABLE.
3349         (build_fold_addr_expr): Adjust.
3350         (fold_addr_expr): Remove.
3351         (fold_unary): Use build_fold_addr_expr.
3352         (fold_comparison): Likewise.
3353         (split_address_to_core_and_offset): Likewise.
3354         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3355         TREE_ADDRESSABLE.
3356         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3357         (gimplify_modify_expr_to_memcpy): Mark source and destination
3358         addressable.
3359         * omp-low.c (create_omp_child_function): Mark the object decl
3360         TREE_ADDRESSABLE.
3361         (lower_rec_input_clauses): Mark the var we take the address of
3362         TREE_ADDRESSABLE.
3363         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3364
3365 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR middle-end/39315
3368         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3369         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3370
3371 2009-03-27  Richard Guenther  <rguenther@suse.de>
3372
3373         PR tree-optimization/39120
3374         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3375         constraints.
3376         (handle_lhs_call): Process return constraints.  Add escape
3377         constraints if necessary.
3378         (handle_const_call): Fill out return constraints.  Make nested
3379         case more precise.  Avoid consttmp if possible.
3380         (handle_pure_call): Fill out return constraints.  Avoid
3381         callused if possible.
3382         (find_func_aliases): Simplify call handling.
3383
3384 2009-03-27  Richard Guenther  <rguenther@suse.de>
3385
3386         PR tree-optimization/39120
3387         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3388         as a representative.
3389         (solve_graph): Do propagate CALLUSED.
3390         (handle_pure_call): Use a scalar constraint from CALLUSED for
3391         the return value.
3392         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3393         solutions.
3394
3395 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3396
3397         PR c/39323
3398         * c-common.c (handle_aligned_attribute): Properly check alignment
3399         overflow.  Use (1U << i) instead of (1 << i).
3400
3401         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3402
3403         * expr.h (get_mem_align_offset): Updated.
3404
3405         * tree.h (tree_decl_common): Change align to "unsigned int" and
3406         move it before pointer_alias_set.
3407
3408 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3409             Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR target/38034
3412         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3413         gr_register_operand with gr_reg_or_0_operand.
3414         (cmpxchg_rel_di): Likewise.
3415         (sync_lock_test_and_set<mode>): Likewise.
3416
3417 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3418
3419         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3420         (true_regnum): Likewise.
3421
3422         * rtlanal.c (subreg_info): Moved to ...
3423         * rtl.h (subreg_info): Here.  New.
3424         (subreg_get_info): New.
3425
3426         * rtlanal.c (subreg_get_info): Make it extern.
3427
3428 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3429
3430         PR target/39472
3431         * config/i386/i386.c (ix86_abi): New.
3432         (override_options): Handle -mabi=.
3433         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3434         (ix86_call_abi_override): Likewise.
3435         (init_cumulative_args): Likewise.
3436         (function_arg_advance): Likewise.
3437         (function_arg_64): Likewise.
3438         (function_arg): Likewise.
3439         (ix86_pass_by_reference): Likewise.
3440         (ix86_function_value_regno_p): Likewise.
3441         (ix86_build_builtin_va_list_abi): Likewise.
3442         (setup_incoming_varargs_64): Likewise.
3443         (is_va_list_char_pointer): Likewise.
3444         (ix86_init_machine_status): Likewise.
3445         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3446         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3447         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3448         (ix86_function_abi): Make it static and return enum calling_abi.
3449         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3450         with ix86_abi.
3451         (ix86_fn_abi_va_list): Updated.
3452
3453         * config/i386/i386.h (ix86_abi): New.
3454         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3455         (CONDITIONAL_REGISTER_USAGE): Likewise.
3456         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3457         (machine_function): Likewise.
3458
3459         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3460         with ix86_abi.
3461         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3462         (STACK_BOUNDARY): Likewise.
3463         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3464
3465         * config/i386/i386.opt (mabi=): New.
3466
3467         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3468         return enum calling_abi.
3469         (ix86_function_type_abi): Likewise.
3470         (ix86_function_abi): Removed.
3471
3472         * doc/invoke.texi: Document -mabi= option for x86.
3473
3474 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3475
3476         * builtins.c (real_dconstp): Delete.
3477         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3478
3479 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3480             Jakub Jelinek  <jakub@redhat.com>
3481
3482         PR debug/37959
3483         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3484         (gen_subprogram_die): When a function is explicit, generate the
3485         DW_AT_explicit attribute.
3486         * langhooks.h (struct lang_hooks_for_decls): Add
3487         function_decl_explicit_p langhook.
3488         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3489         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3490
3491 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3492
3493         * builtins.c (fold_builtin_memory_op): Optimize memmove
3494         into memcpy if we can prove source and destination don't overlap.
3495
3496         * tree-inline.c: Include gt-tree-inline.h.
3497         (clone_fn_id_num): New variable.
3498         (clone_function_name): New function.
3499         (tree_function_versioning): Use it.
3500         * Makefile.in (GTFILES): Add tree-inline.c.
3501
3502 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3503
3504         * BASE-VER: Change to 4.5.0.
3505
3506 2009-03-27  Xinliang David Li  <davidxl@google.com>
3507
3508         PR tree-optimization/39557
3509         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3510
3511 2009-03-27  Xinliang David Li  <davidxl@google.com>
3512
3513         PR tree-optimization/39548
3514         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3515         candidate check.
3516
3517 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3518
3519         * c-common.c (pointer_int_sum): Use %wd on return from
3520         tree_low_cst.
3521
3522 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3523
3524         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3525         on return from tree_low_cst.
3526
3527 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3528
3529         PR c++/36799
3530         * ginclude/stdarg.h (va_copy): Define also for
3531         __GXX_EXPERIMENTAL_CXX0X__.
3532
3533 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3534
3535         PR c++/35652
3536         * builtins.h (c_strlen): Do not warn here.
3537         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3538         * c-common.c (pointer_int_sum): Take an explicit location.
3539         Warn about offsets out of bounds.
3540         * c-common.h (pointer_int_sum): Adjust declaration.
3541
3542 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3543
3544         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3545         markup glitch.
3546
3547 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
3548
3549         PR c++/39554
3550         * opts.c (warn_if_disallowed_function_p): Don't assume
3551         get_callee_fndecl must return non-NULL.
3552
3553 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3554
3555         PR rtl-optimization/39522
3556         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3557         when reg_reloaded_valid is set.
3558
3559 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3560
3561         * config/spu/divv2df3.c: New file.
3562         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3563         (DPBIT_FUNCS): Filter out _div_df.
3564
3565 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3566
3567         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3568         a jump insn, count that jump in the distance to the loop start.
3569
3570 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3571
3572         PR target/39523
3573         * config/sh/sh.c (calc_live_regs): Fix condition for global
3574         registers except PIC_OFFSET_TABLE_REGNUM.
3575
3576 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
3577
3578         PR/39518
3579         * doc/invoke.texi (-mconsole): New.
3580         (-mcygwin): New.
3581         (-mno-cygwin): New.
3582         (-mdll): New.
3583         (-mnop-fun-dllimport): New.
3584         (-mthread): New.
3585         (-mwin32): New.
3586         (-mwindows): New.
3587         (sub section "i386 and x86-64 Windows Options"): New.
3588
3589 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
3590
3591         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3592         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3593
3594 2009-03-25  Richard Guenther  <rguenther@suse.de>
3595
3596         PR middle-end/39497
3597         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3598         of -Wno-error.
3599
3600 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
3601
3602         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3603         neither of haifa/selective schedulers are working.
3604
3605 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3606
3607         * doc/invoke.texi (Debugging Options): Fix description of
3608         -fno-merge-debug-strings.
3609
3610 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
3611
3612         * config/cris/libgcc.ver: New version-script.
3613         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3614
3615         * configure.ac <GAS features, nop mnemonic>: Add pattern
3616         crisv32-*-* for "nop".
3617         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3618         * configure: Regenerate.
3619
3620 2009-03-24  Ira Rosen  <irar@il.ibm.com>
3621
3622         PR tree-optimization/39529
3623         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3624         mark_sym_for_renaming for the tag copied to the new vector
3625         pointer.
3626
3627 2009-03-24  Arthur Loiret  <aloiret@debian.org>
3628
3629         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3630         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3631         EXTRA_SPEC_FUNCTIONS.
3632         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3633         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3634         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3635         -march and -mtune options.
3636
3637 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
3638
3639         * config/m68k/t-rtems: Add m5329 multilib.
3640
3641 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
3642             Jakub Jelinek  <jakub@redhat.com>
3643
3644         PR debug/39524
3645         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3646         nodes.
3647
3648 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3649
3650         PR c/39495
3651         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3652         instead of c_parser_expression_conv, if original_code isn't one of the
3653         4 allowed comparison codes, fail.
3654
3655 2009-03-23  Richard Guenther  <rguenther@suse.de>
3656
3657         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3658         * tree.h (struct tree_type): Likewise.
3659         * reload.h (struct insn_chain): Likewise.
3660         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3661         * function.h (struct function): Likewise.
3662         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3663
3664 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3665
3666         PR tree-optimization/39516
3667         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3668
3669 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
3670
3671         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
3672         should be set true if BITS_PER_WORD of target is bigger than 32
3673
3674 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
3675
3676         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3677         Translate -B-options to -rpath-link.  Correct existing
3678         rpath-link and conditionalize on !nostdlib.
3679
3680 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3681
3682         * doc/extend.texi (Function Attributes, Variable Attributes):
3683         Fix typos.
3684         * doc/invoke.texi (Debugging Options, Optimize Options)
3685         (i386 and x86-64 Options, MCore Options): Likewise.
3686
3687 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
3688
3689         PR debug/37890
3690         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3691         it for block local namespace aliases.
3692         (gen_decl_die): Pass context_die to gen_namespace_die.
3693
3694 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3695
3696         PR c/39495
3697         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3698         minimum or maximum value.
3699
3700 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
3701
3702         * reginfo.c (globalize_reg): Recompute derived reg sets.
3703
3704 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
3705
3706         PR target/39063
3707         * libgcc2.c (mprotect): Do not use signed arguments for
3708         VirtualProtect, use DWORD arguments.  Also fix the 'may
3709         be used uninitialized' warning for the np variable.
3710
3711 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3712
3713         PR target/39496
3714         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3715         functions using regparm calling conventions when not optimizing.
3716         (ix86_function_sseregparm): Similarly for sseregparm calling
3717         conventions.
3718
3719 2009-03-19  Li Feng  <nemokingdom@gmail.com>
3720
3721         PR middle-end/39500
3722         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3723         dependence if the first conflict is after niter iterations.
3724
3725 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
3726
3727         PR middle-end/38609
3728         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3729         functions with dynamic stack-pointer adjustments.
3730
3731 2009-03-19  Ben Elliston  <bje@au.ibm.com>
3732
3733         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3734         option; change to -msdata=data.
3735
3736 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3737
3738         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3739         and -fopenmp.
3740
3741 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
3742
3743         PR target/35180
3744         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3745
3746 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
3747
3748         * doc/invoke.texi (Code Gen Options): Expand discussion of
3749         -fno-common.
3750
3751 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
3752
3753         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3754         * matrix-reorg.c (struct matrix_info): Likewise.
3755         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3756         * rtl.h (struct mem_attrs): Likewise.
3757         * df.h (struct df): Likewise.
3758         * tree-data-ref.h (struct data_dependence_relation): Likewise.
3759         * ira-int.h (struct ira_allocno): Likewise.
3760         * df-scan.c (struct df_collection_rec): Likewise.
3761         * ira.c (struct equivalence): Likewise.
3762         * function.c (struct temp_slot): Likewise.
3763         * cfgloop.h (struct loop): Likewise.
3764
3765         PR debug/39485
3766         * function.c (use_register_for_decl): When not optimizing, disregard
3767         register keyword for variables with types containing methods.
3768
3769 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         PR middle-end/39447
3772         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3773         (is_simple_operand): Call contains_component_ref_p before calling data
3774         reference analysis that would fail on COMPONENT_REFs.
3775
3776         * tree-vrp.c (search_for_addr_array): Fix formatting.
3777
3778 2009-03-18  Richard Guenther  <rguenther@suse.de>
3779
3780         * tree-vect-transform.c (vect_loop_versioning): Fold the
3781         generated comparisons.
3782         * tree-vectorizer.c (set_prologue_iterations): Likewise.
3783         (slpeel_tree_peel_loop_to_edge): Likewise.
3784
3785 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3786
3787         PR middle-end/37805
3788         * opts.c (print_specific_help): In addition to `undocumented',
3789         accept `separate' and `joined' flags if passed alone.  Describe
3790         output by the first matched one of those.
3791         (common_handle_option): Skip over empty strings.
3792         * gcc.c (display_help): Fix help string for `--help='.
3793         * doc/invoke.texi (Option Summary, Overall Options): With
3794         `--help=', classes and qualifiers can both be repeated, but
3795         only the latter can be negated.  One should not pass only
3796         negated qualifiers.  Fix markup and examples.
3797
3798         Revert
3799         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
3800         PR middle-end/37805
3801         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3802         and -fhelp=separate.
3803
3804 2009-03-17  Jing Yu  <jingyu@google.com>
3805
3806         PR middle-end/39378
3807         * function.h (struct rtl_data): Move is_thunk from here...
3808         (struct function): ...to here.
3809         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3810         * varasm.c (assemble_start_function): Change is_thunk from crtl to
3811         cfun.
3812         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3813         cfun.
3814         (alpha_does_function_need_gp, alpha_start_function): Likewise.
3815         (alpha_output_function_end_prologue): Likewise.
3816         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3817         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3818         (rs6000_output_function_epilogue): Likewise.
3819         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3820
3821 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
3822
3823         PR target/39482
3824         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3825         from different units in a single alternative.
3826         (*truncdfsf_i387): Ditto.
3827         (*truncxfsf2_mixed): Ditto.
3828         (*truncxfdf2_mixed): Ditto.
3829
3830 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
3831
3832         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3833         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3834
3835         PR debug/39474
3836         * tree-ssa-live.c (remove_unused_locals): Don't remove local
3837         unused non-artificial variables when not optimizing.
3838
3839         PR debug/39471
3840         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3841         DW_TAG_imported_module even if decl is IMPORTED_DECL with
3842         NAMESPACE_DECL in its DECL_INITIAL.
3843
3844         PR middle-end/39443
3845         * optabs.c (set_user_assembler_libfunc): New function.
3846         * expr.h (set_user_assembler_libfunc): New prototype.
3847         * c-common.c: Include libfuncs.h.
3848         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3849         for memcmp, memset, memcpy, memmove and abort.
3850         * Makefile.in (c-common.o): Depend on libfuncs.h.
3851
3852         PR debug/39412
3853         * dwarf2out.c (gen_inlined_enumeration_type_die,
3854         gen_inlined_structure_type_die, gen_inlined_union_type_die,
3855         gen_tagged_type_instantiation_die): Removed.
3856         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3857         do nothing.
3858
3859 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
3860
3861         PR testsuite/38526
3862         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3863         its use.
3864         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3865         (check-parallel-%): Ditto.
3866         (check-consistency): Ditto.
3867
3868 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
3869
3870         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3871         local variable rhs by NULL_TREE.
3872
3873 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3874
3875         PR target/39477
3876         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3877
3878 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3879
3880         PR target/39476
3881         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3882
3883 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3884
3885         PR target/39473
3886         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3887         for ms->sysv ABI calls only in 64bit mode.
3888
3889         * config/i386/i386.md (untyped_call): Support 32bit.
3890
3891 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
3892
3893         * doc/extend.texi: Replace x86_65 with x86_64.
3894
3895 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
3896
3897         PR tree-optimization/39455
3898         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3899         mismatches for POINTER_TYPE_P (type).
3900         (number_of_iterations_le): Likewise.
3901
3902 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
3903
3904         * config/picochip/picochip.c: Removed profiling support.
3905         * config/picochip/picochip.md: Removed profiling instruction.
3906         * config/picochip/picochip.h: Removed profiling builtin.
3907
3908 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
3909
3910         * doc/install.texi (--with-host-libstdcxx): Document.
3911
3912 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
3913
3914         PR target/34299
3915         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3916         generate a warning if the function name does not begin with
3917         "__vector" and the function has either the 'signal' or 'interrupt'
3918         attribute, from here to ...
3919         (avr_declare_function_name): ...here. New function.
3920         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3921         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3922
3923 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
3924
3925         PR bootstrap/39454
3926         * cse.c (fold_rtx): Don't modify original const_arg1 when
3927         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3928         separate variable instead.
3929         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3930         from out of range shift counts.
3931         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3932
3933 2008-03-13  Catherine Moore  <clm@codesourcery.com>
3934
3935         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3936         diagnostic.h with $(DIAGNOSTIC_H).
3937
3938 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
3939
3940         PR target/39431
3941         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3942         predicate.
3943         * config/i386/sync.md (sync_compare_and_swap<mode>,
3944         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3945         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3946         into a register.
3947         (sync_double_compare_and_swapdi_pic,
3948         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3949         cmpxchg8b_pic_memory_operand instead of just memory_operand.
3950
3951 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3952
3953         PR target/39445
3954         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3955
3956 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3957
3958         PR target/39327
3959         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3960         (avx_addsubv4df3): Likewise.
3961         (*avx_addsubv4sf3): Likewise.
3962         (sse3_addsubv4sf3): Likewise.
3963
3964 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3965
3966         PR target/38824
3967         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3968
3969 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3970
3971         PR debug/39432
3972         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3973         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3974         registers for allocnos created from user-defined variables.
3975
3976 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3977
3978         PR target/39181
3979         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3980         of non-integer mode as well.
3981
3982 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
3983
3984         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3985         for functions for which the parameter types are unknown.
3986
3987 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR target/39137
3990         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3991         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3992         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3993         * config/i386/i386.c (ix86_local_alignment): For
3994         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3995         long long variables on the stack to avoid dynamic realignment.
3996         Allow the first argument to be a decl rather than type.
3997         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3998
3999 2009-03-11  Nick Clifton  <nickc@redhat.com>
4000
4001         PR target/5362
4002         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4003         options.
4004         Add description to mno-lsim option.
4005         * config/mcore/mcore.h: Remove comment about deprecated m4align
4006         option.
4007         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4008         * doc/invoke.texi: Add description of mno-lsim and
4009         mstack-increment options.
4010
4011         * config/fr30/fr30.opt: Document the -mno-lsim option.
4012         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4013         and -mno-lsim options.
4014
4015 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4016
4017         * fold-const.c (fold_comparison): Only call fold_inf_compare
4018         if the mode supports infinities.
4019
4020 2009-03-11  Jason Merrill  <jason@redhat.com>
4021
4022         PR debug/39086
4023         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4024         end already did.  Notice GIMPLE_CALL modifications of the result.
4025         Don't copy debug information from an ignored decl or a decl from
4026         another function.
4027
4028 2009-03-10  Richard Guenther  <rguenther@suse.de>
4029             Nathan Froyd  <froydnj@codesourcery.com>
4030
4031         PR middle-end/37850
4032         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4033         (__divMODE3): Likewise.
4034
4035 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4036
4037         PR tree-optimization/39394
4038         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4039         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4040
4041 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4042
4043         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4044         inline asms for register asm ("") declarations.
4045
4046 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4047
4048         * fold-const.c (fold_unary): Fix comment.
4049
4050 2009-03-07  Jan Hubicka  <jh@suse.cz>
4051
4052         PR target/39361
4053         * tree-inline.c (setup_one_parameter): Do replacement of const
4054         argument by constant in SSA form.
4055
4056 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4057
4058         PR middle-end/38028
4059         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4060         determine alignment passed to assign_stack_local.
4061         (assign_parms_unsplit_complex): Likewise.
4062         * except.c (sjlj_build_landing_pads): Likewise.
4063
4064 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4065
4066         PR middle-end/39360
4067         * tree-flow.h (add_referenced_var): Return bool instead of void.
4068         * tree-dfa.c (add_referenced_var): Return result of
4069         referenced_var_check_and_insert call.
4070         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4071         of referenced_var_check_and_insert.
4072
4073         PR debug/39372
4074         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4075         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4076         DIE, don't emit it if abstract origin already has it.
4077         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4078         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4079
4080 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4081
4082         * genpreds.c (needs_variable): Fix parentheses at variable name
4083         detection.
4084         (write_tm_constrs_h): Indent generated code.
4085
4086 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4087
4088         * doc/extend.texi (Function Attributes): Add documentation
4089         for isr attributes.
4090
4091 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4092
4093         PR debug/39387
4094         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4095         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4096
4097 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4098
4099         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4100         the loop as bad.
4101
4102 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4103
4104         PR debug/39379
4105         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4106         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4107
4108 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4109
4110         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4111         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4112         constants instead of magic numbers.
4113         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4114         (QI_REG_P): Ditto.
4115         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4116         (x86_64_ms_abi_int_parameter_registers): Ditto.
4117         (x86_64_int_return_registers): Ditto.
4118         (ix86_maybe_switch_abi): Ditto.
4119         (ix86_expand_call): Ditto for clobbered_registers array.
4120         (ix86_hard_regno_mode_ok): Ditto.
4121         (x86_extended_QIreg_mentioned_p): Ditto.
4122
4123 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4124
4125         PR tree-optimization/39349
4126         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4127
4128         * combine.c (gen_lowpart_for_combine): Use omode when generating
4129         clobber.
4130
4131 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4132
4133         PR rtl-optimization/39235
4134         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4135
4136 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4137
4138         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4139
4140 2009-03-04  Richard Guenther  <rguenther@suse.de>
4141
4142         PR tree-optimization/39362
4143         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4144         that occur in abnormal PHIs should be varying.
4145
4146 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4147
4148         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4149         Extend comments.
4150         (simple_iv):  Take loop as an argument instead of statement.
4151         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4152         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4153         to simple_iv.
4154         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4155         Ditto.
4156         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4157         * matrix-reorg.c (analyze_transpose): Ditto.
4158         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4159         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4160         * tree-predcom.c (ref_at_iteration): Ditto.
4161         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4162
4163 2009-03-04  Richard Guenther  <rguenther@suse.de>
4164
4165         PR tree-optimization/39358
4166         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4167         escaped_id and callused_id.
4168         (solve_graph): Likewise.
4169
4170 2009-03-04  Richard Guenther  <rguenther@suse.de>
4171
4172         PR tree-optimization/39339
4173         * tree-sra.c (try_instantiate_multiple_fields): Make it
4174         no longer ICE on the above.
4175
4176 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4177
4178         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4179         that fits within Pmode.
4180
4181 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4182
4183         PR middle-end/10109
4184         * tm.texi (LIBCALL_VALUE): Update description.
4185
4186 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4187
4188         PR middle-end/34443
4189         * doc/extend.texi (section): Update description.
4190
4191 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4192
4193         PR middle-end/39345
4194         * tree-inline.c (remapped_type): New.
4195         (can_be_nonlocal): Call remapped_type instead of remap_type.
4196
4197 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4198
4199         PR fortran/39354
4200         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4201         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4202
4203 2009-03-03  Richard Guenther  <rguenther@suse.de>
4204
4205         PR middle-end/39272
4206         * tree.c (tree_nonartificial_location): New function.
4207         * tree.h (tree_nonartificial_location): Declare.
4208         * builtins.c (expand_builtin_memory_chk): Provide location
4209         of the call location for artificial function pieces.
4210         (maybe_emit_chk_warning): Likewise.
4211         (maybe_emit_sprintf_chk_warning): Likewise.
4212         (maybe_emit_free_warning): Likewise.
4213         * expr.c (expand_expr_real_1): Likewise.
4214
4215 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4216
4217         PR tree-optimization/39343
4218         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4219         COMPONENT_REF t has ARRAY_TYPE.
4220
4221 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4222
4223         PR middle-end/39335
4224         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4225         when the type precision of the induction variable should be
4226         larger than the type precision of nit.
4227         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4228         * graphite.c (graphite_loop_normal_form): Same.
4229         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4230
4231 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4232
4233         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4234         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4235         numbers to describe clobbered registers.
4236         (*call_value_0_rex64_ms_sysv): Ditto.
4237         * config/i386/mmx.md (mmx_emms): Ditto.
4238         (mmx_femms): Ditto.
4239
4240 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4241
4242         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4243         of ABI_64.
4244
4245 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4246
4247         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4248         (spu_section_type_flags): New function.
4249
4250 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4251
4252         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4253         reg_class_contents of FLOAT_REGS into a temporary.
4254
4255 2009-03-02  Richard Guenther  <rguenther@suse.de>
4256             Ira Rosen  <irar@il.ibm.com>
4257
4258         PR tree-optimization/39318
4259         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4260         information to the vectorized statement.
4261
4262 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4263
4264         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4265         variable.  Use defined names instead of magic constants for REX SSE
4266         registers.
4267
4268 2009-03-01  Richard Guenther  <rguenther@suse.de>
4269
4270         PR tree-optimization/39331
4271         * omp-low.c (lower_send_shared_vars): Do not receive new
4272         values for the reference of DECL_BY_REFERENCE parms or results.
4273
4274 2009-03-01  Jan Hubicka  <jh@suse.cz>
4275
4276         PR debug/39267
4277         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4278         BLOCK_NONLOCALIZED_VAR): New macros.
4279         (tree_block): Add nonlocalized_vars.
4280         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4281         gen_decl_die): Add origin argument.  Allow generation of die with
4282         origin at hand only.
4283         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4284         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4285         of gen_*.
4286         (gen_block_die): Fix checking for unused blocks.
4287         (process_scope_var): Break out from .... ; work with origins only.
4288         (decls_for_scope) ... here; process nonlocalized list.
4289         (dwarf2out_ignore_block): Look for nonlocalized vars.
4290         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4291         vars.
4292         (dump_scope_block): Dump them.
4293         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4294         (remap_block): Likewise.
4295         (can_be_nonlocal): New predicate.
4296         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4297
4298 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4299
4300         * configure: Regenerate.
4301
4302 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4303
4304         * optc-gen.awk: No need to duplicate option flags twice.
4305         Reuse help texts for duplicate options which do not have any.
4306
4307         * gcc.c (display_help): Document --version.
4308
4309         * gcc.c (main): If print_help_list and verbose_flag, ensure
4310         driver output comes before subprocess output.
4311
4312         * optc-gen.awk: Assign all remaining fields to help string,
4313         space-separated, for multi-line help in *.opt.
4314
4315         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4316         -Wno-pedantic-ms-format is for MinGW targets only.
4317
4318         * doc/options.texi (Option file format): Fix bad indentation,
4319         restoring dropped sentence.
4320
4321 2009-02-28  Jan Hubicka  <jh@suse.cz>
4322
4323         * tree-inline.c (tree_function_versioning): Output debug info.
4324
4325 2009-02-28  Jan Hubicka  <jh@suse.cz>
4326
4327         PR debug/39267
4328         * tree-inline.c (setup_one_parameter): Do not copy propagate
4329         arguments when not optimizing.
4330
4331 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4332
4333         PR target/39327
4334         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4335         (avx_addsubv4df3): Likewise.
4336         (*avx_addsubv4sf3): Likewise.
4337         (sse3_addsubv4sf3): Likewise.
4338         (*avx_addsubv2df3): Likewise.
4339         (sse3_addsubv2df3): Likewise.
4340         (avx_unpckhps256): Correct item selectors.
4341         (avx_unpcklps256): Likewise.
4342         (avx_unpckhpd256): Likewise.
4343         (avx_unpcklpd256): Likewise.
4344
4345 2009-02-28  Jan Hubicka  <jh@suse.cz>
4346
4347         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4348         static vars.
4349         (copy_arguments_for_versioning): If var is declared don't declare it.
4350         (tree_function_versioning): First setup substitutions and then copy
4351         args.
4352
4353 2009-02-27  Jan Hubicka  <jh@suse.cz>
4354
4355         PR debug/39267
4356         * cgraph.h (varpool_output_debug_info): Remove.
4357         * cgraphunit.c (varpool_output_debug_info): Remove.
4358         * dwarf2out.c (deferred_locations_struct): New struct
4359         (deferred_locations): New type.
4360         (deferred_locations_list): New static var.
4361         (deffer_location): New function.
4362         (gen_variable_die): Use it.
4363         (decls_for_scope): Output info on local static vars.
4364         (dwarf2out_finish): Process deferred locations.
4365         * varpool.c (varpool_output_debug_info): Remove.
4366
4367 2009-02-27  Jan Hubicka  <jh@suse.cz>
4368
4369         PR debug/39267
4370         * tree.h (TREE_PROTECTED): Fix comment.
4371         (BLOCK_HANDLER_BLOCK): Remove.
4372         (struct tree_block): Remove handler_block add body_block.
4373         (inlined_function_outer_scope_p): New.
4374         (is_body_block): Remove.
4375         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4376         * dwarf2out.c (is_inlined_entry_point): Remove.
4377         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4378         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4379         code.
4380         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4381         * gimplify.c (gimplify_expr): Gimplify body blocks.
4382         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4383         block with multiple subblocks.
4384         (dump_scope_block): Prettier output; dump more flags and info.
4385         (dump_scope_blocks): New.
4386         (remove_unused_locals): Use dump_scope_blocks.
4387         * tree-flow.h (dump_scope_blocks): Declare.
4388         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4389         * stmt.c (is_body_block): Remove.
4390         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4391         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4392
4393 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4394
4395         PR middle-end/39308
4396         * graphite.c (graphite_loop_normal_form): Do not call 
4397         number_of_iterations_exit from a gcc_assert.
4398
4399 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4400
4401         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4402         jumps if COND is NULL.
4403         (find_cond_jump): New function.
4404         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4405         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4406
4407 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4408
4409         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4410         force_const_mem returns NULL_RTX.
4411
4412 2009-02-26  Jan Hubicka  <jh@suse.cz>
4413
4414         PR debug/39267
4415         * cgraph.h (varpool_output_debug_info): Remove.
4416         * cgraphunit.c (varpool_output_debug_info): Remove.
4417         * dwarf2out.c (deferred_locations_struct): New struct
4418         (deferred_locations): New type.
4419         (deferred_locations_list): New static var.
4420         (deffer_location): New function.
4421         (gen_variable_die): Use it.
4422         (decls_for_scope): Output info on local static vars.
4423         (dwarf2out_finish): Process deferred locations.
4424         * varpool.c (varpool_output_debug_info): Remove.
4425
4426 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4427
4428         PR rtl-optimization/39241
4429         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4430         to subreg_offset_representable_p.
4431
4432 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4433
4434         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4435         execute function prototype.  Get f and nregs from max_reg_num
4436         and get_insns.  Remove the first backward pass as it's dead,
4437         guard the forward pass by flag_expensive_optimizations.
4438         (rest_of_handle_regmove): Delete.
4439         (pass_regmove): Replace it with regmove_optimize.
4440
4441 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4442
4443         PR tree-optimization/39259
4444         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4445         calls_alloca function flags.
4446         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4447         calls are detected.
4448
4449 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4450
4451         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4452         flags_set_1_rtx, flags_set_1_set): Delete.
4453         (regmove_optimize): Do not call mark_flags_life_zones.
4454
4455 2009-02-24  Julian Brown  <julian@codesourcery.com>
4456
4457         PR target/35965
4458         * config/arm/arm.c (require_pic_register): Only set
4459         cfun->machine->pic_reg once per function.
4460
4461 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4462
4463         * doc/invoke.texi (Link Options): Document an easier way to pass
4464         options that take arguments to the GNU linker using -Xlinker and -Wl.
4465
4466 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4467
4468         PR target/33785
4469         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4470
4471 2009-02-24  Richard Guenther  <rguenther@suse.de>
4472
4473         PR debug/39285
4474         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4475
4476 2009-02-24  Richard Guenther  <rguenther@suse.de>
4477             Zdenek Dvorak  <ook@ucw.cz>
4478
4479         PR tree-optimization/39233
4480         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4481         from converting them to a generic type.
4482
4483 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         PR tree-optimization/39260
4486         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4487         contains a condition with a real type.
4488         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4489
4490 2009-02-23  Jason Merrill  <jason@redhat.com>
4491
4492         PR c++/38880
4493         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4494         narrowing_initializer_constant_valid_p.
4495         (narrowing_initializer_constant_valid_p): Don't return 
4496         null_pointer_node for adding a pointer to itself.
4497
4498 2009-02-23  Jan Hubicka  <jh@suse.cz>
4499
4500         PR c/12245
4501         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4502         resizing.
4503
4504 2009-02-23  Jan Hubicka  <jh@suse.cz>
4505
4506         PR tree-optimization/37709
4507         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4508         * tree.h (block_ultimate_origin): Declare.
4509         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4510         * tree-ssa-live.c (remove_unused_scope_block_p):
4511         Eliminate blocks containig no instructions nor live variables nor
4512         nested blocks.
4513         (dump_scope_block): New function.
4514         (remove_unused_locals): Enable removal of dead blocks by default;
4515         enable dumping at TDF_DETAILS.
4516
4517 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4518
4519         * config/i386/i386.c (classify_argument): Don't allow COImode
4520         and OImode.
4521         (function_arg_advance_32): Don't allow OImode.
4522         (function_arg_32): Likewise.
4523         (function_value_32): Likewise.
4524         (return_in_memory_32): Likewise.
4525         (function_arg_64): Remove OImode comment.
4526
4527 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4528
4529         PR target/39261
4530         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4531         ix86_expand_vector_set for V4DImode in 64bit mode only.
4532         (ix86_expand_vector_init_one_var): Likewise.
4533
4534 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4535
4536         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4537
4538 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4539
4540         PR bootstrap/39257
4541         * loop-iv.c: Revert last change.
4542         * emit-rtl.c: Likewise.
4543
4544 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4545
4546         PR target/39256
4547         * config/i386/i386.c (type_natural_mode): Remove an extra
4548         space in the warning message.
4549         (function_value_32): Handle 32-byte vector modes.
4550         (return_in_memory_32): Likewise.
4551
4552 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4553
4554         * loop-iv.c (truncate_value): New function.
4555         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4556         of lowpart_subreg.
4557         (lowpart_subreg): Move to...
4558         * emit-rtl.c: ...here.
4559
4560 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
4561
4562         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4563         accidental and undocumented change at revision 140860.
4564
4565 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
4566
4567         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4568         take gimple_seq * arguments.
4569         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4570         types_compatible_p langhook.
4571
4572 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
4573             Joseph Myers  <joseph@codesourcery.com>
4574
4575         * config/arm/arm.c (arm_builtin_va_list): New function.
4576         (arm_expand_builtin_va_start): Likewise.
4577         (arm_gimplify_va_arg_expr): Likewise.
4578         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4579         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4580         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4581         (va_list_type): New variable.
4582         (arm_mangle_type): Mangle va_list_type appropriately.
4583
4584 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4585
4586         PR middle-end/39157
4587         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4588         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4589         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4590         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4591         parameter to 1000 for -O1 by default.
4592         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4593         parameter.
4594         * loop-invariant.c: Include params.h.
4595         (move_loop_invariants): Don't call move_single_loop_invariants on
4596         very large loops.
4597
4598 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
4599
4600         * calls.c (emit_library_call_value_1): Use slot_offset instead of
4601         offset when calculating bounds for indexing stack_usage_map.  Fixes
4602         a buffer overflow with certain target setups.
4603
4604 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4605
4606         PR target/39240
4607         * calls.c (expand_call): Clear try_tail_call if caller and callee
4608         disagree in promotion of function return value.
4609
4610 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
4611
4612         PR target/39175
4613         * c-common.c (c_determine_visibility): If visibility changed and
4614         DECL_RTL has been already set, call make_decl_rtl to update symbol
4615         flags.
4616
4617 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
4618
4619         PR c++/39188
4620         * varasm.c (assemble_variable): Don't check DECL_NAME when
4621         globalizing a variable.
4622
4623 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
4624
4625         PR c/38483
4626         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4627         expression before any __builtin_trap call.
4628         * c-typeck.c (build_function_call): Convert and check function
4629         arguments before generating a call to a trap.  Evaluate the
4630         function arguments before the trap.
4631
4632 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
4633
4634         PR target/39228
4635         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4636         (UNSPEC_FXAM_MEM): New unspec.
4637         (fxam<mode>2_i387_with_temp): New insn and split pattern.
4638         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
4639         memory using fxam<mode>2_i387_with_temp to remove excess precision.
4640
4641 2009-02-19  Richard Guenther  <rguenther@suse.de>
4642
4643         PR tree-optimization/39207
4644         PR tree-optimization/39074
4645         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4646         storedanything_tree): New.
4647         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
4648         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4649         (build_succ_graph): Add edges from STOREDANYTHING to all
4650         non-direct nodes.
4651         (init_base_vars): Initialize STOREDANYTHING.
4652         (compute_points_to_sets): Free substitution info after
4653         building the succ graph.
4654         (ipa_pta_execute): Likewise.
4655
4656         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4657         field.
4658         (do_ds_constraint): Do not add to special var or non-pointer
4659         field solutions.
4660         (type_could_have_pointers): Split out from ...
4661         (could_have_pointers): ... here.  For arrays use the element type.
4662         (create_variable_info_for): Initialize may_have_pointers.
4663         (new_var_info): Likewise.
4664         (handle_lhs_call): Make the HEAP variable unknown-sized.
4665         (intra_create_variable_infos): Use a type with pointers for
4666         PARM_NOALIAS, make it unknown-sized.
4667
4668 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4669
4670         PR target/39224
4671         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4672
4673 2009-02-18  Jason Merrill  <jason@redhat.com>
4674
4675         PR target/39179
4676         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4677         value if DECL_EXTERNAL.
4678         * tree-sra.c (sra_walk_gimple_assign): Likewise.
4679         * target.h (gcc_target::binds_local_p): Clarify "module".
4680         * tree.h (TREE_PUBLIC): Clarify "module".
4681
4682 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
4683
4684         PR target/38891
4685         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4686         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4687
4688 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
4689
4690         PR target/39082
4691         * c.opt (Wabi): Support C and ObjC.
4692         (Wpsabi): New.
4693
4694         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4695
4696         * config/i386/i386.c (classify_argument): Warn once about the ABI
4697         change when passing union with long double.
4698
4699         * doc/invoke.texi: Update -Wabi for warning psABI changes.
4700
4701 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
4702
4703         PR c/35447
4704         * c-parser.c (c_parser_compound_statement): Always enter and leave
4705         a scope.
4706
4707 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4708
4709         PR target/34587
4710         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4711
4712 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
4713
4714         PR tree-optimization/36922
4715         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4716         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4717         Likewise.
4718
4719 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4720
4721         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4722         to 0 for EABI64.
4723
4724 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4725
4726         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4727
4728 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4729
4730         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4731         tree sharing.
4732
4733 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
4734             Richard Sandiford  <rdsandiford@googlemail.com>
4735
4736         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4737         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4738         (loongson_biadd): ...this.
4739
4740 2009-02-17  Richard Guenther  <rguenther@suse.de>
4741
4742         PR tree-optimization/39202
4743         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4744         a var make sure to follow existing collapses.
4745
4746 2009-02-17  Richard Guenther  <rguenther@suse.de>
4747
4748         PR middle-end/39214
4749         * langhooks.c (lhd_print_error_function): Check for NULL block.
4750
4751 2009-02-17  Richard Guenther  <rguenther@suse.de>
4752
4753         PR tree-optimization/39204
4754         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4755         of the PHI arg.
4756
4757 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
4758
4759         * config/soft-fp/double.h: Update from glibc CVS.
4760
4761 2009-02-17  Richard Guenther  <rguenther@suse.de>
4762
4763         PR tree-optimization/39207
4764         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4765         strict-aliasing warnings for pointers pointing to NULL.
4766
4767 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
4768
4769         PR c/35446
4770         * c-parser.c (c_parser_braced_init): Call pop_init_level when
4771         skipping until next close brace.
4772
4773 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
4774
4775         PR target/37049
4776         * config/i386/i386.c (ix86_expand_push): Set memory alignment
4777         to function argument boundary.
4778
4779 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
4780
4781         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4782         in the lea_add. Reload eventually constraints it properly.
4783         * config/picochip/constraints.md : Remove the target constraint
4784         "b", since it is not needed anymore.
4785
4786 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
4787
4788         * gthr-dce.h: Uglify function parameter and local variable names.
4789         * gthr-gnat.h: Likewise.
4790         * gthr-mipssde.h: Likewise.
4791         * gthr-nks.h: Likewise.
4792         * gthr-posix95.h: Likewise.
4793         * gthr-posix.h: Likewise.
4794         * gthr-rtems.h: Likewise.
4795         * gthr-single.h: Likewise.
4796         * gthr-solaris.h: Likewise.
4797         * gthr-tpf.h: Likewise.
4798         * gthr-vxworks.h: Likewise.
4799         * gthr-win32.h: Likewise.
4800
4801 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
4802
4803         PR target/39196
4804         * config/i386/i386.md: Restrict the new peephole2 to move
4805         between MMX/SSE registers.
4806
4807 2009-02-15  Richard Guenther  <rguenther@suse.de>
4808
4809         Revert
4810         2009-02-13  Richard Guenther  <rguenther@suse.de>
4811
4812         * configure.ac: Enable LFS.
4813         * configure: Re-generate.
4814         * config.in: Likewise.
4815
4816 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4817
4818         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4819         spu_srqwbyte, spu_srqwbytebc): Define.
4820         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4821         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4822         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4823         "shrqby_<mode>"): New insn-and-split patterns.
4824         * config/spu/spu.c (expand_builtin_args): Determine and return
4825         number of operands using spu_builtin_description data.
4826         (spu_expand_builtin_1): Use it.
4827
4828 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
4829
4830         PR target/38056
4831         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4832         TARGET_CONST_GP.
4833
4834 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4835
4836         PR target/39149
4837         * config/i386/i386.c (override_options): Correct warning
4838         messages for -malign-loops, -malign-jumps and -malign-functions.
4839
4840 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4841
4842         PR target/39152
4843         * config/i386/i386.md: Restrict the new peephole2 to move
4844         between the general purpose registers.
4845
4846 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4847
4848         PR target/39162
4849         * config/i386/i386.c (type_natural_mode): Add a new argument.
4850         Return the original mode and warn ABI change if vector size is 32byte.
4851         (function_arg_advance): Updated.
4852         (function_arg): Likewise.
4853         (ix86_function_value): Likewise.
4854         (ix86_return_in_memory): Likewise.
4855         (ix86_sol10_return_in_memory): Likewise.
4856         (ix86_gimplify_va_arg): Likewise.
4857         (function_arg_32): Don't warn ABX ABI change here.
4858         (function_arg_64): Likewise.
4859
4860 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4861
4862         * loop-iv.c (implies_p): In the final case, test that operands 0
4863         of the two comparisons match.
4864
4865         * config/bfin/bfin.c (find_prev_insn_start): New function.
4866         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4867         (find_next_insn_start): Move.
4868
4869 2009-02-13  Richard Guenther  <rguenther@suse.de>
4870
4871         * configure.ac: Enable LFS.
4872         * configure: Re-generate.
4873         * config.in: Likewise.
4874
4875 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
4876
4877         PR c/35444
4878         * c-parser.c (c_parser_parms_list_declarator): Discard pending
4879         sizes on syntax error after some arguments have been parsed.
4880
4881 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
4882
4883         * doc/invoke.texi (-fira): Remove.
4884
4885 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4886
4887         * caller-save.c: Replace regclass.c with reginfo.c in comments.
4888         * recog.c: Likewise.
4889         * rtl.h: Likewise.
4890
4891 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
4892
4893         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4894         (umul_ppmm): Likewise.
4895         (count_leading_zeros): Likewise.
4896         (count_trailing_zeros): Likewise.
4897         (UMUL_TIME): Likewise.
4898
4899 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4900
4901         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4902         soft-fp/t-softfp to tmake_file.
4903
4904         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4905         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4906         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4907         IA64_BUILTIN_INFQ]: New.
4908         (ia64_init_builtins): Initialize __builtin_infq,
4909         __builtin_fabsq and __builtin_copysignq if not HPUX.
4910         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4911         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4912
4913         * config/ia64/lib1funcs.asm (__divtf3): Define only if
4914         SHARED is defined.
4915         (__fixtfti): Likewise.
4916         (__fixunstfti): Likewise.
4917         (__floattitf): Likewise.
4918
4919         * config/ia64/libgcc-glibc.ver: New.
4920         * config/ia64/t-fprules-softfp: Likewise.
4921         * config/ia64/sfp-machine.h: Likewise.
4922
4923         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4924         (LIBGCC2_TF_CEXT): Likewise.
4925         (TF_SIZE): Likewise.
4926         (TARGET_INIT_LIBFUNCS): Likewise.
4927
4928         * config/ia64/t-glibc (SHLINB_MAPFILES):
4929         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4930
4931 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4932
4933         * config/i386/i386.c (construct_container): Rewrite processing
4934         BLKmode with X86_64_SSE_CLASS.
4935
4936 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
4937
4938         PR target/39152
4939         * config/i386/i386.md: Replace simplify_replace_rtx with
4940         replace_rtx in the new peephole2.
4941
4942 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
4943
4944         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4945         loop unrolling do not happen at -O2.
4946
4947 2009-02-12  Michael Matz  <matz@suse.de>
4948
4949         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4950
4951 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
4952
4953         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4954         for -g3.
4955
4956 2009-02-12  Ben Elliston  <bje@au.ibm.com>
4957
4958         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4959         patterns when updating the back chain.  Missed in the 2009-02-10
4960         change.
4961
4962 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
4963
4964         * doc/extend.texi (Decimal Floating Types): Update identifier of
4965         draft TR and list of missing support.
4966
4967 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
4968
4969         PR middle-end/39154
4970         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4971         bit to variable length decl's flags, add it also to its
4972         pointer replacement variable.
4973
4974 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
4975             Jakub Jelinek  <jakub@redhat.com>
4976
4977         PR target/39118
4978         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4979         (memory_blockage): New expander.
4980         (*memory_blockage): New insn pattern.
4981         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4982         instead of general blockage at the end of function prologue when
4983         frame pointer is used to access red zone area.  Do not emit blockage
4984         when profiling, it is emitted in generic code.
4985         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4986         function epilogue when frame pointer is used to access red zone area.
4987
4988 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
4989
4990         PR target/38824
4991         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4992         by arithmetic with memory operands.
4993         * config/i386/predicates.md (commutative_operator): New.
4994
4995 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
4996
4997         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4998         bulleted lists.
4999
5000 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5001
5002         * alias.h (record_alias_subset): Declare.
5003         * alias.c (record_alias_subset): Make global.
5004
5005 2009-02-10  Nick Clifton  <nickc@redhat.com>
5006
5007         * tree-parloops.c: Change license to GPLv3.
5008         * ipa-struct-reorg.c: Change license to GPLv3.
5009         * ipa-struct-reorg.h: Change license to GPLv3.
5010
5011 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5012
5013         PR c/39084
5014         * c-decl.c (start_struct): Return NULL on error.
5015
5016 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5017
5018         PR middle-end/39124
5019         * cfgloopmanip.c (remove_path): Call remove_bbs after
5020         cancel_loop_tree, not before it.
5021
5022         PR target/39139
5023         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5024         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5025         VAR_DECLs were seen.
5026         * tree-ssa-live.c (remove_unused_locals): Recompute
5027         cfun->has_local_explicit_reg_vars.
5028         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5029         copies or clearings if cfun->has_local_explicit_reg_vars.
5030
5031 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5032
5033         PR target/39118
5034         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5035         of function prologue when frame pointer is used to access
5036         red zone area.
5037
5038 2009-02-10  Richard Guenther  <rguenther@suse.de>
5039
5040         PR middle-end/39127
5041         * gimplify.c (gimple_regimplify_operands): Always look if
5042         we need to create a temporary.
5043
5044 2009-02-10  Richard Guenther  <rguenther@suse.de>
5045
5046         PR tree-optimization/39132
5047         * tree-loop-distribution.c (todo): New global var.
5048         (generate_memset_zero): Trigger TODO_rebuild_alias.
5049         (tree_loop_distribution): Return todo.
5050
5051 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5052
5053         PR target/39119
5054         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5055         (x86_64_reg_class_name): Removed.
5056         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5057         first one isn't X86_64_SSE_CLASS or any other ones aren't
5058         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5059         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5060         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5061         and 3 X86_64_SSEUP_CLASS.
5062         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5063         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5064
5065 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5066
5067         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5068         form instruction to update the stack back chain word, even if the
5069         user has disabled the generation of update instructions.
5070         (movdi_<mode>_update_stack): New.
5071         (movsi_update_stack): Likewise.
5072         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5073         always use an update form instruction to update the stack back
5074         chain word.
5075
5076 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5077
5078         PR middle-end/38953
5079         * graphite.c (if_region_set_false_region): After moving a region in
5080         the false branch of a condition, remove the empty dummy basic block.
5081         (gloog): Remove wrong fix for PR38953.
5082
5083 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5084
5085         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5086         generation due to implicit sign extension.
5087
5088 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5089
5090         PR middle-end/38981
5091         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5092         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5093
5094 2009-02-09  Richard Guenther  <rguenther@suse.de>
5095
5096         PR middle-end/35202
5097         * convert.c (convert_to_real): Disable (float)fn((double)x)
5098         to fnf(x) conversion if errno differences may occur and
5099         -fmath-errno is set.
5100
5101 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5102
5103         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5104         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5105         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5106
5107 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5108
5109         PR c/35434
5110         * c-common.c (handle_alias_attribute): Disallow attribute for
5111         anything not a FUNCTION_DECL or VAR_DECL.
5112
5113 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5114
5115         PR c/39035
5116         * real.c (do_compare): Special-case compare of zero against
5117         decimal float value.
5118
5119 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5120
5121         PR c/36432
5122         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5123         as indicating flexible array members unless the field itself is
5124         being declarared as the incomplete array.
5125
5126 2009-02-06  Jan Hubicka  <jh@suse.cz>
5127
5128         PR tree-optimization/38844
5129         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5130         is already inlined.
5131
5132 2009-02-06  Richard Guenther  <rguenther@suse.de>
5133
5134         PR middle-end/38977
5135         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5136         fork because we may expand it as __gcov_fork.
5137
5138 2009-02-06  Nick Clifton  <nickc@redhat.com>
5139
5140         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5141
5142 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5143
5144         PR tree-optimization/35659
5145         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5146         vn_phi_eq): Shortcut if hashcode does not match.
5147         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5148         NULL operands.
5149         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5150         and avoid iterative_hash_expr.
5151         (FOR_EACH_VALUE_ID_IN_SET): New.
5152         (value_id_compare): Remove.
5153         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5154         sort expressions by value id.
5155
5156 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5157
5158         PR target/38991
5159         * config/sh/predicates.md (general_movsrc_operand): Don't check
5160         the subreg of system registers here.
5161
5162 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5163
5164         PR c++/39106
5165         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5166         on the copied decl.
5167
5168 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5169
5170         PR rtl-optimization/39110
5171         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5172         addresses, not aligned ones.
5173
5174 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5175             Richard Guenther  <rguenther@suse.de>
5176
5177         PR tree-optimization/39100
5178         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5179         comment says and add edges.
5180
5181 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5182
5183         PR c/35435
5184         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5185         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5186
5187 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5188
5189         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5190         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5191         register_bb_in_sese, new_sese, free_sese): Moved.
5192         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5193         outermost_loop_in_scop, build_scop_iteration_domain,
5194         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5195         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5196         Use loop_in_sese_p instead of loop_in_scop_p.
5197         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5198         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5199         (scopdet_basic_block_info): Fix bug in scop detection.
5200         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5201         eq_loop_to_cloog_loop): Remove.
5202         (nb_loops_around_loop_in_scop, nb_loop
5203         ref_nb_loops): Moved here...
5204         * graphite.h (ref_nb_loops): ... from here.
5205         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5206         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5207         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5208         * testsuite/gcc.dg/graphite/scop-19.c: New
5209
5210 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5211             Hans-Peter Nilsson  <hp@axis.com>
5212
5213         PR rtl-optimization/37889
5214         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5215         Move offset handling from PLUS to before the switch.  Use new
5216         arguments when considering SYMBOL_REFs too.
5217         (rtx_addr_can_trap_p): Pass dummy offset and size.
5218         (enum may_trap_p_flags): Remove.
5219         (may_trap_p_1): Pass size from MEM_SIZE.
5220
5221         PR rtl-optimization/38921
5222         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5223         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5224         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5225         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5226
5227 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5228
5229         AVX Programming Reference (January, 2009)
5230         * config/i386/sse.md (*vpclmulqdq): New.
5231
5232 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5233
5234         PR tree-optimization/38977
5235         PR gcov-profile/38292
5236         * calls.c (special_function_p): Disregard __builtin_ prefix.
5237
5238 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5239
5240         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5241         non-indexable addresses even before reload.
5242
5243 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5244
5245         PR c/29129
5246         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5247         as having variable size.  Do not give an error for unnamed
5248         parameters with [*] declarators.  Give a warning for type names
5249         with [*] declarators and mark them as variable size.
5250         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5251         for sizeof applied to [*] type names.
5252
5253 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5254
5255         PR C++/36607
5256         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5257
5258 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5259
5260         * gcc.c (process_command): Update copyright notice dates.
5261         * gcov.c (print_version): Likewise.
5262         * gcov-dump.c (print_version): Likewise.
5263         * mips-tfile.c (main): Likewise.
5264         * mips-tdump.c (main): Likewise.
5265
5266 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5267
5268         PR c/35433
5269         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5270         for composite type involving a zero-length array type.
5271
5272 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5273
5274         PR target/35318
5275         * function.c (match_asm_constraints_1): Skip over
5276         initial optional % in the constraint.
5277
5278         PR inline-asm/39059
5279         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5280         supported, don't accept FIXED_CSTs.
5281         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5282         and _Sat is used without _Fract/_Accum.  Set specs->type to
5283         integer_type_node for cts_fract/cts_accum if fixed point is not
5284         supported.
5285
5286 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5287
5288         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5289
5290 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5291
5292         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5293         (ABI_HAS_64BIT_SYMBOLS): Use it.
5294         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5295
5296 2009-02-02  Paul Brook  <paul@codesourcery.com>
5297
5298         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5299
5300 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5301
5302         PR inline-asm/39058
5303         * recog.h (asm_operand_ok): Add constraints argument.
5304         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5305         recurse on matching constraint.
5306         (check_asm_operands): Pass constraints as 3rd argument to
5307         asm_operand_ok.  Don't look up matching constraint here.
5308         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5309         to asm_operand_ok.
5310
5311 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5312
5313         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5314         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5315
5316 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5317
5318         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5319         information.  Remove some obsolete information.  Reorganize.
5320
5321         * config/pa/fptr.c: Revert license to GPL 2.
5322         * config/pa/milli64.S: Likewise.
5323
5324 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5325
5326         PR target/38904
5327         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5328         LIBRARY name in, instead of hard-coding it.
5329         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5330         extra target make frag to tmake_files according to EH model.
5331         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5332         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5333         frags that define makefile variable EH_MODEL appropriately.
5334         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5335         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5336         to "-sjlj" according to type of EH configured.
5337         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5338         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5339         to "_sjlj" according to type of EH configured.
5340         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5341         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5342         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5343         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5344         string value of "pe_dll" command-line option.
5345         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5346         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5347         (SHLIB_IMPLIB):  Override t-cygming default.
5348         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5349         string value of "pe_dll" command-line option.
5350
5351 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5352
5353         PR target/38952
5354         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5355         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5356
5357 2009-01-31  Richard Guenther  <rguenther@suse.de>
5358
5359         PR tree-optimization/38937
5360         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5361         computing the transitive closure.
5362
5363 2009-01-30  Richard Guenther  <rguenther@suse.de>
5364
5365         PR tree-optimization/39041
5366         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5367         Propagate variable indices only if the types match for this stmt.
5368
5369 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5370
5371         PR target/39013
5372         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5373         inline but never defined.
5374
5375 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5376
5377         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5378         (*insv_h_di_reg_extimm): New insn.
5379         (*insv_l<mode>_reg_extimm): New insn.
5380
5381 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5382
5383         * config/picochip/picochip.c (flag_conserve_stack): set
5384         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5385         fconserve-stack. Reduce call-overhead used by inliner.
5386
5387 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5388
5389         PR/38157
5390         * common.opt (flag_conserve_stack): Initialised to zero.
5391
5392 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5393
5394         PR/39002
5395         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5396         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5397         method.
5398
5399 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5400
5401         * ira-color.c (allocno_reload_assign): Update comments.
5402         * regmove.c (regmove_optimize): Likewise.
5403
5404         * ra.h: Removed.
5405
5406 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5407
5408         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5409         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5410         `MD_UNWIND_SUPPORT'.
5411         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5412
5413 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5414
5415         PR tree-optimization/39007
5416         * tree-loop-distribution.c (generate_builtin): Use
5417         recompute_dominator to compute the immediate dominator of the
5418         basic block just after the loop.
5419
5420 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5421
5422         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5423         (ASM_OUTPUT_DWARF_PCREL): Define.
5424
5425 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5426
5427         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5428         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5429         global.  Modify entries about regmove and IRA.
5430
5431         * ra-conflict.c: Remove the file.
5432
5433         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5434
5435         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5436         (pass_regclass_init): Rename to pass_reginfo_init.
5437
5438         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5439
5440         * toplev.h (flag_ira): Remove.
5441
5442         * caller-save.c (setup_save_areas): Remove flag_ira.
5443
5444         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5445
5446         * global.c: Remove the file.
5447
5448         * opts.c (decode_options): Remove flag_ira.
5449
5450         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5451
5452         * regmove.c: Modify file description.
5453         (find_use_as_address, try_auto_increment): Define them only if
5454         AUTO_INC_DEC is defined.
5455         (replacement_quality, replace_in_call_usage, fixup_match_1,
5456         stable_and_no_regs_but_for_p): Remove.
5457         (reg_set_in_bb): Make it static.
5458         (regmove_optimize): Remove flag_ira and code which worked for
5459         !flag_ira.
5460
5461         * local-alloc.c: Remove the file.
5462
5463         * common.opt (fira): Remove.
5464
5465         * ira.c: Include except.h.
5466         (eliminable_regset): Move from global.c.
5467         (mark_elimination): Ditto.  Remove flag_ira.
5468         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5469         equiv_mem_modified, validate_equiv_mem_from_store,
5470         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5471         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5472         no_equiv, recorded_label_ref): Move from local-alloc.c.
5473         (update_equiv_regs): Ditto.  Make it static.
5474         (print_insn_chain, print_insn_chains): Move it from global.c.
5475         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5476         (build_insn_chain): Ditto.  Make it static.
5477         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5478         Rename to init_live_subregs.
5479         (gate_ira): Remove flag_ira.
5480
5481         * regclass.c: Rename reginfo.c.  Change file description.
5482         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5483         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5484         (init_reg_sets_1): Remove code for evaluation of
5485         reg_class_superclasses and losing_caller_save_reg_set.
5486         (init_regs): Remove init_reg_autoinc.
5487         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5488         ok_for_base_p_nonstrict): Remove.
5489         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5490         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5491         corresponding entries.
5492         (dump_regclass, record_operand_costs, scan_one_insn,
5493         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5494         record_address_regs, auto_inc_dec_reg_p): Remove.
5495         (gt-regclass.h): Rename to gt-reginfo.h.
5496
5497         * rtl.h (dump_global_regs, retry_global_alloc,
5498         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5499
5500         * Makefile.in (RA_H): Remove.
5501         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5502         Rename regclass.o to reginfo.o.
5503         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5504         gt-reginfo.h.
5505         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5506         (GTFILES): Rename regclass.c to reginfo.c.
5507
5508         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5509         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5510
5511         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5512         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5513         Remove flag_ira.
5514         (finish_spills): Ditto.  Remove code for !flag_ira.
5515         
5516 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5517
5518         PR middle-end/35854
5519         * doc/invoke.texi (rtl debug options): Complete rewrite.
5520         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5521         to auto_inc_dec".
5522         * mode-switching.c (pass_mode_switching): Rename pass from
5523         "mode-sw" to "mode_sw".
5524         * except.c (pass_convert_to_eh_ranges): Rename pass from
5525         "eh-ranges" to "eh_ranges".
5526         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5527         to "subreg1".
5528                 
5529         
5530 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5531             Alexander Monakov  <amonakov@ispras.ru>
5532
5533         PR middle-end/38857
5534         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5535         register.
5536         (move_exprs_to_boundary): Change return type and pass through
5537         should_move from move_op.  Relax assert.  Update usage ...
5538         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5539         cant_move.
5540         (move_op_orig_expr_found): Indicate that insn was disconnected from
5541         stream.
5542         (code_motion_process_successors): Do not call after_merge_succs
5543         callback if original expression was not found when traversing any of
5544         the branches.
5545         (code_motion_path_driver): Change return type.  Update prototype.
5546         (move_op): Update comment.  Add a new parameter (should_move).  Update
5547         prototype.  Set *should_move based on indication provided by
5548         move_op_orig_expr_found.
5549
5550 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5551
5552         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5553         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5554         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5555         * config/rs6000/rs6000.c (rs6000_override_options): Default
5556         avoid-indexed-addresses on for Power6, off for everything else.
5557         (avoiding_indexed_address_p): New function.
5558         (rs6000_legitimize_address): Use it.
5559         (rs6000_legitimate_address): Likewise.
5560         * config/rs6000/rs6000.md (movXX_updateX): Likewise
5561
5562 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
5563
5564         PR tree-optimization/38997
5565         * tree-loop-distribution.c (generate_memset_zero): Use
5566         POINTER_PLUS_EXPR for a pointer addition.
5567
5568 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5569
5570         * config/s390/s390.md (bswap<mode>2): New pattern added.
5571
5572 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5573
5574         * config/s390/s390.md (*tls_load_31): Added type attribute.
5575
5576 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5577
5578         * config/s390/s390.md: Fix a few comments.
5579
5580 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5581
5582         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5583         (*tm<mode>_full): Fixed z10prop attribute.
5584         (*tst<mode>_extimm): Fixed z10prop attribute.
5585         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5586         (*tstqiCCT_cconly): Fixed z10prop attribute.
5587         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5588         (*movsi_larl): Fixed z10prop attribute.
5589         (*movsi_zarch): Fixed z10prop attribute.
5590         (*movsi_eas): Fixed z10prop attribute.
5591         (*movhi): Fixed z10prop attribute.
5592         (*movqi): Fixed z10prop attribute.
5593         (*movstrictqi): Fixed z10prop attribute.
5594         (*mov<mode>): Fixed z10prop attribute.
5595         (*movcc): Fixed z10prop attribute.
5596         (*sethighpartdi_64): Fixed z10prop attribute.
5597         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5598         (*negdi2_sign_cc): Fixed z10prop attribute.
5599         (*negdi2_sign): Fixed z10prop attribute.
5600         (*absdi2_sign_cc): Fixed z10prop attribute.
5601         (*absdi2_sign): Fixed z10prop attribute.
5602         (*negabsdi2_sign_cc): Fixed z10prop attribute.
5603         (*negabsdi2_sign): Fixed z10prop attribute.
5604         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5605         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5606         (doloop_si64): Fixed z10prop attribute.
5607         (doloop_si31): Fixed z10prop attribute.
5608         (doloop_long): Fixed z10prop attribute.
5609         (indirect_jump): Fixed z10prop attribute.
5610         (nop): Fixed z10prop attribute.
5611         (main_base_64): Fixed z10prop attribute.
5612         (reload_base_64): Fixed z10prop attribute.
5613
5614 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5615
5616         PR rtl-optimization/38740
5617         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5618         if !optimize.
5619         * config/mips/mips.c (mips_reorg): Likewise.
5620
5621 2009-01-28  Richard Guenther  <rguenther@suse.de>
5622
5623         PR tree-optimization/38926
5624         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5625         with the correct value id to a value.
5626         (do_regular_insertion): Use the value number of edoubleprime
5627         for the value number of the expr.
5628
5629         Revert
5630         2008-08-21  Richard Guenther  <rguenther@suse.de>
5631
5632         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5633         a PHI ask VN if it is already available.
5634         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5635         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5636
5637 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5638
5639         PR middle-end/38934
5640         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5641         set to varying whenever max has TREE_OVERFLOW set, similarly
5642         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5643
5644 2009-01-28  Richard Guenther  <rguenther@suse.de>
5645
5646         PR middle-end/38908
5647         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5648         uninitialized aggregate uses in call arguments.
5649
5650 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
5651
5652         PR tree-optimization/38984
5653         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5654         the nothing_id variable if -fno-delete-null-pointer-checks.
5655
5656 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
5657
5658         PR target/38988
5659         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5660         (set_got_offset_rex64): Ditto.
5661
5662 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5663
5664         PR target/38941
5665         * doc/extend.texi: Improve local variable with asm reg.
5666
5667 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
5668
5669         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5670         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5671         was not supplied then set warn_packed_bitfield_compat to the
5672         default value of 1.
5673         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5674         against 1.
5675
5676 2009-01-27  Richard Guenther  <rguenther@suse.de>
5677
5678         PR tree-optimization/38503
5679         * cfgexpand.c (expand_gimple_basic_block): Ignore
5680         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5681         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5682         variables that cannot have TBAA applied.
5683         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5684         statements.
5685
5686 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
5687
5688         PR middle-end/38969
5689         * calls.c (initialize_argument_information): Do not wrap complex
5690         arguments in SAVE_EXPR.
5691
5692 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
5693
5694         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5695         (INSTALL_LIBGCC): Revert typo commit.
5696
5697 2009-01-26  Richard Guenther  <rguenther@suse.de>
5698
5699         PR tree-optimization/38745
5700         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5701         from special handling.
5702
5703 2009-01-26  Richard Guenther  <rguenther@suse.de>
5704
5705         PR tree-optimization/38745
5706         * tree-ssa.c (execute_update_addresses_taken): Do not include
5707         variables that cannot possibly be a register in not_reg_needs.
5708         Do not clear TREE_ADDRESSABLE on vars that may not become
5709         registers.
5710         * tree-ssa.c (update_alias_info_1): Include those in the set
5711         of addressable vars.
5712
5713 2009-01-26  Richard Guenther  <rguenther@suse.de>
5714
5715         PR middle-end/38851
5716         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5717         * tree-ssa-dse.c: Include langhooks.h
5718         (execute_simple_dse): Remove stores with zero size.
5719
5720 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
5721
5722         PR c/38957
5723         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5724         as PLUS_EXPR.
5725
5726 2009-01-24  Julian Brown  <julian@codesourcery.com>
5727
5728         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5729         config/arm/linux-atomic.c.
5730         * config/arm/linux-atomic.c: New.
5731
5732 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
5733
5734         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5735         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5736         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5737
5738 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5739
5740         PR c/38938
5741         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5742         properly.
5743
5744 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5745
5746         PR tree-optimization/38953
5747         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5748         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5749         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5750         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5751         changed the CFG.
5752
5753 2009-01-24  Paul Brook  <paul@codesourcery.com>
5754
5755         * config/arm/neon.md (neon_type): Move to arm.md.
5756         (neon_mov<VSTRUCT>): Add neon_type attribute.
5757         * config/arm/arm.md (neon_type): Move to here.
5758         (conds): Add "unconditioal" and use as default for NEON insns.
5759
5760 2009-01-24  Ben Elliston  <bje@au.ibm.com>
5761
5762         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5763         void *' warning from -Wc++-compat.
5764         * Makefile.in (dominance.o-warn): Remove.
5765
5766 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
5767
5768         PR tree-optimization/38932
5769         * fold-const.c (fold_unary_ignore_overflow): New.
5770         * tree.h (fold_unary_ignore_overflow): Declare.
5771         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5772         * tree-ssa-sccvn.c (visit_reference_op_load,
5773         simplify_unary_expression): Likewise.
5774
5775 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
5776
5777         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5778         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
5779         regardless of their type.
5780         * c-common.c (handle_packed_attribute): Don't ignore packed on
5781         bitfields.
5782         * c.opt (Wpacked-bitfield-compat): New warning option.
5783         * stor-layout.c (place_field): Warn if offset of a field changed.
5784         * doc/extend.texi (packed): Mention the ABI change.
5785         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5786         (Warning Options): Add it to the list.
5787
5788 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5789
5790         * c-opts.c (c_common_post_options): Fix a typo in comments.
5791
5792 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
5793
5794         PR middle-end/38615
5795         * gimplify.c (gimplify_init_constructor): Fix promotion of const
5796         variables to static.
5797         * doc/invoke.texi (-fmerge-all-constants): Update description.
5798
5799 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
5800
5801         PR target/38931
5802         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5803         (*movdi_1_rex64): Use type "mmx" for alternative 5.
5804
5805 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
5806
5807         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5808         a word boundary.
5809         (LOCAL_ALIGNMENT): Similarly.
5810
5811 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5812             Joseph Myers  <joseph@codesourcery.com>
5813
5814         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5815         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5816         * config/arm/arm-tune.md: Regenerate.
5817         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5818         -march=iwmmxt2.
5819
5820 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5821
5822         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5823         version number to five.
5824
5825 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
5826
5827         PR c++/38930
5828         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5829         * c-common.c (set_underlying_type): Likewise.
5830         (is_typedef_decl ): Likewise
5831         * tree.h: Likewise
5832         (set_underlying_type): Likewise.
5833         (is_typedef_type): Likewise.
5834
5835 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
5836
5837         PR middle-end/38587
5838         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5839         crossing setjmps.
5840
5841 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
5842
5843         PR bootstrap/37660
5844         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
5845         (LIBGCC_SPEC):  Don't define.
5846         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
5847
5848 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
5849
5850         PR rtl-optimization/38879
5851         * alias.c (base_alias_check): Unaligned access via AND address can
5852         alias all surrounding object types except those with sizes equal
5853         or wider than the size of unaligned access.
5854
5855 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
5856
5857         PR c++/26693
5858         * c-decl.c (clone_underlying_type): Move this ...
5859         * c-common.c (set_underlying_type): ... here.
5860         Also, make sure the function properly sets TYPE_STUB_DECL() on
5861         the newly created typedef variant type.
5862         (is_typedef_decl ): New entry point.
5863         * tree.h: Added a new member member_types_needing_access_check to
5864         struct tree_decl_non_common.
5865         (set_underlying_type): New entry point.
5866         (is_typedef_type): Likewise.
5867
5868 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
5869
5870         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5871         Check whether two instructions have memory references that
5872         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
5873         are helper functions for traversing.
5874         * alias.h (insn_alias_sets_confilict_p): New prototypes.
5875         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5876         not to draw dependency edge for instructions with non-conflicting
5877         alias sets.
5878
5879 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
5880
5881         PR other/38758
5882         * longlong.h: Update copyright years.  Use soft-fp license notice.
5883         Sync __clz_tab declaration with glibc.
5884
5885 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
5886
5887         PR target/30687
5888         * doc/extend.texi (syscall_linkage): New.
5889         (version_id): Modify.
5890
5891 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5892             Richard Guenther  <rguenther@suse.de>
5893
5894         PR tree-optimization/38747
5895         PR tree-optimization/38748
5896         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5897         conversion if the base address is an indirect reference and the
5898         aliasing sets could cause issues.
5899
5900 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5901
5902         * common.opt (fgraphite, fgraphite-identity): Add comment for 
5903         explaining why these options are not documented.
5904
5905 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5906
5907         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5908         gimple_call_lhs is NULL.
5909
5910 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
5911
5912         PR target/38868
5913         * emit-rtl.c (adjust_address_1): Make sure memref is never
5914         overwritten.
5915
5916 2009-01-20  Ben Elliston  <bje@au.ibm.com>
5917
5918         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5919         const qualifier from arg parameter. Remove unnecessary cast to char *.
5920         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5921         const qualifier from arg 2.
5922
5923 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5924
5925         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5926
5927 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5928
5929         PR c/38869
5930         * rtl.h (reinit_regs): New prototype.
5931         * regclass.c: Include ira.h.
5932         (reinit_regs): New.
5933         * Makefile.in (regclass.o): Add ira.h.
5934         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5935
5936 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
5937
5938         PR target/38736
5939         * c-common.c (handle_aligned_attribute): Use
5940         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5941         default alignment value.
5942
5943         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5944
5945         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5946         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5947
5948         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
5949         __BIGGEST_ALIGNMENT__.
5950
5951         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5952
5953 2009-01-18  Richard Guenther  <rguenther@suse.de>
5954
5955         PR tree-optimization/38819
5956         * tree-flow.h (operation_could_trap_helper_p): Declare.
5957         * tree-eh.c (operation_could_trap_helper_p): Export.
5958         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5959         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5960         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5961         are about to insert a possibly trapping instruction and fail
5962         in this case.
5963
5964 2009-01-18  Andreas Schwab  <schwab@suse.de>
5965
5966         * doc/install.texi (Configuration): Remove obsolete paragraph
5967         about use of --with-gnu-ld with --with-gnu-as.
5968
5969 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
5970
5971         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5972         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5973         Follow spelling conventions.
5974
5975 2009-01-18  Ben Elliston  <bje@au.ibm.com>
5976
5977         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5978         C++ warning about implicit conversion from void * to struct
5979         bitmap_head_def *.
5980         (bitmap_obstack_free): Likewise for bitmap_element *.
5981         * Makefile.in (bitmap.o-warn): Remove.
5982
5983 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
5984
5985         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
5986
5987 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
5988             Tobias Grosser  <tobi.grosser@amd.com>
5989
5990         * graphite.c (graphite_trans_scop_block): Do not block single
5991         nested loops.
5992
5993 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
5994
5995         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5996         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5997         test with assertion.
5998
5999 2009-01-16  Richard Guenther  <rguenther@suse.de>
6000
6001         PR tree-optimization/38835
6002         PR middle-end/36227
6003         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6004         and INT + PTR -> (INT)(PTR p+ INT) folding.
6005         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6006
6007 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6008
6009         PR target/38554
6010         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6011         the subreg from a lowpart subreg if it is also casting the value.
6012
6013 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6014             Tobias Grosser  <tobi.grosser@amd.com>
6015
6016         * graphite.c (compare_prefix_loops): New.
6017         (build_scop_canonical_schedules): Rewritten.
6018         (graphite_transform_loops): Move build_scop_canonical_schedules
6019         after build_scop_iteration_domain.
6020
6021 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6022             Tobias Grosser  <tobi.grosser@amd.com>
6023
6024         * graphite.c (add_conditions_to_domain): Add the loops to 
6025         the dimension of the iteration domain.  Do copy the domain
6026         only when it exists.
6027         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6028         (add_conditions_to_constraints): New.
6029         (can_generate_code_stmt, can_generate_code): Removed.
6030         (gloog): Do not call can_generate_code.
6031         (graphite_transform_loops): Call add_conditions_to_constraints
6032         after building the iteration domain.
6033
6034 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6035
6036         PR tree-optimization/38789
6037         * tree-ssa-threadedge.c
6038         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6039         __builtin_constant_p.
6040
6041 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6042
6043         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6044         examined before deleting them.
6045         
6046 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6047
6048         * function.c (aggregate_value_p): Correctly extract the function
6049         type from CALL_EXPR_FN lookup.
6050
6051 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6052
6053         * config/picochip/picochip.c (picochip_override_options): Revert
6054         CFI asm flag disable commited previously.
6055
6056 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6057             Tobias Grosser  <tobi.grosser@amd.com>
6058             Jan Sjodin  <jan.sjodin@amd.com>
6059
6060         * graphite.c (scan_tree_for_params): On substractions negate
6061         all the coefficients of the term.
6062         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6063         of more than two operands.
6064         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6065         (get_vdef_before_scop): Handle also the case of default definitions.
6066
6067 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6068
6069         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6070         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6071         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6072
6073 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6074             Joey Ye  <joey.ye@intel.com>
6075
6076         PR middle-end/37843
6077         * cfgexpand.c (expand_stack_alignment): Don't update stack
6078         boundary nor check incoming stack boundary here.
6079         (gimple_expand_cfg): Update stack boundary and check incoming
6080         stack boundary here.
6081
6082 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6083
6084         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6085         
6086 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6087
6088         PR rtl-optimization/38245
6089         * calls.c (expand_call): Add stack arguments to
6090         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6091         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6092         in regs and partially in memory or BLKmode arguments.
6093         (emit_library_call_value_1): Add stack arguments to
6094         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6095         ACCUMULATE_OUTGOING_ARGS).
6096         * dce.c: Include tm_p.h.
6097         (find_call_stack_args): New function.
6098         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6099         argument.
6100         (mark_insn): Call find_call_stack_args for CALL_Ps.
6101         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6102         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6103         down to deletable_insn_p, don't mark stores set in arg_stores
6104         bitmap, clear the bitmap at the beginning of each bb.
6105         * Makefile.in (dce.o): Depend on $(TM_P_H).
6106
6107 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6108
6109         PR target/22599
6110         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6111         to make sure the insn is a conditional test (bug 22599).  Reformat a
6112         few long lines.
6113
6114 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6115
6116         PR middle-end/38431
6117         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6118         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6119         (gloog): Do not call cleanup_tree_cfg.
6120         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6121         scops have been code generated.
6122
6123 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6124         * doc/gty.texi (Invoking the garbage collector): Added new node
6125         and section documenting ggc_collect.
6126
6127 2009-01-14  Richard Guenther  <rguenther@suse.de>
6128
6129         PR tree-optimization/38826
6130         PR middle-end/38477
6131         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6132         initialization notes only if we actually emitted a warning.
6133         (intra_create_variable_infos): Add constraints for a result decl
6134         that is passed by hidden reference.
6135         (build_pred_graph): Mark all related variables non-direct on
6136         address-taking.
6137
6138 2009-01-14  Nick Clifton  <nickc@redhat.com>
6139
6140         * ira-conflicts.c: Include addresses.h for the definition of
6141         base_reg_class.
6142         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6143         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6144
6145 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6146
6147         PR target/38811
6148         * Makefile.in (ira-lives.o): Add except.h.
6149
6150         * ira-lives.c: Include except.h.
6151         (process_bb_node_lives): Process can_throw_internal.
6152
6153 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6154
6155         PR rtl-optimization/38774
6156         * combine.c (simplify_set): When undoing cc_use change, don't do
6157         PUT_CODE on the newly created comparison, but instead put back the
6158         old comparison.
6159
6160 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6161
6162         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6163         values.  Remove duplicate arm8 entry.
6164
6165 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6166
6167         PR tree-optimization/38786
6168         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6169         the SSA_NAME case of expand_scalar_variables_expr.
6170         Set the type of an expression to the type of its assign statement.
6171         (expand_scalar_variables_expr): Also gather the scalar computation
6172         used to index the memory access.  Do not pass loop_p.
6173         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6174         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6175         the gimple_stmt_iterator where it inserts new code.
6176         Do not pass loop_p.
6177         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6178         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6179
6180 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6181
6182         * graphite.h (debug_value): Removed.
6183         * graphite.c (debug_value): Removed.
6184
6185 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6186
6187         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6188         ldrd/strd with two 32-bit instructions.
6189
6190 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6191
6192         * config/arm/arm.c (struct processors): Pass for speed down into
6193         cost helper functions.
6194         (const_ok_for_op): Handle COMPARE and inequality nodes.
6195         (arm_rtx_costs_1): Rewrite.
6196         (arm_size_rtx_costs): Update prototype.
6197         (arm_rtx_costs): Pass speed down to helper functions.
6198         (arm_slowmul_rtx_costs): Rework cost calculations.
6199         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6200         (arm_9e_rtx_costs): Likewise.
6201
6202 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6203
6204         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6205         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6206         (alpha_legitimize_address): Do not split local symbols wider than
6207         UNITS_PER_WORD into HIGH/LO_SUM parts.
6208
6209 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6210
6211         PR bootstrap/38580
6212         * gcc.c (process_command): Replace call to execvp with calls
6213         to pex_one and exit.
6214
6215 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6216
6217         PR target/29141
6218         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6219         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6220         variant for devices with 3-byte PC.
6221         (__tablejump_elpm__): New.
6222
6223 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6224
6225         PR c/32041
6226         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6227         offsetof member-designator, handle it as `[0].'.
6228
6229 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6230
6231         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6232         function when not using named sections on targets with named sections
6233         if branch distance is less than 262132.
6234
6235 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6236
6237         * combine.c (combine_instructions):  Recompute
6238         optimize_this_for_speed_p  for each BB in the main combine loop.
6239
6240 2009-01-12  Tomas Bily  <tbily@suse.cz>
6241
6242         PR middlend/38385
6243         * tree-loop-distribution.c (prop_phis): New function.
6244         (generate_builtin): Call prop_phis.
6245         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6246
6247 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6248
6249         PR tree-optimization/38807
6250         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6251         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6252
6253 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6254
6255         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6256         subreg of op0 to the original op0.
6257
6258 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6259
6260         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6261         
6262 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6263
6264         PR debug/7055
6265         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6266         starting with digits.
6267
6268 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR target/38695
6271         * config/arm/arm.c (arm_is_long_call_p): Don't call
6272         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6273
6274 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6275
6276         * regrename.c (regrename_optimize): Fix dumping.
6277         (find_oldest_value_reg): Preserve REG_POINTER.
6278         (copy_hardreg_forward_1): Likewise.
6279
6280 2009-01-09  Diego Novillo  <dnovillo@google.com>
6281
6282         * gimple.h (struct gimple_statement_base) <uid>: Document
6283         the restrictions on its use.
6284         (gimple_uid): Tidy.
6285         (gimple_set_uid): Tidy.
6286
6287 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6288
6289         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6290         zero guard even if align_bytes != 0 and count is smaller than
6291         size_needed.
6292
6293 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6294
6295         PR rtl-optimization/38495
6296         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6297         (add_range_and_copies_from_move_list): Print all added ranges.
6298         Add ranges to memory optimized destination.
6299
6300 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6301
6302         PR target/38686
6303         PR target/38708
6304         * config/i386/i386.c (override_options): Reject
6305         -mstringop-strategy=rep_8byte with -m32.
6306         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6307         to 1.  Do count comparison against epilogue_size_needed at compile
6308         time even when count_exp was constant forced into register.  For
6309         size_needed don't jump to epilogue, instead just avoid aligning
6310         and invoke the body algorithm.  If need_zero_guard, add zero guard
6311         even if count is non-zero, but smaller than size_needed + number of
6312         bytes that could be stored for alignment.
6313         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6314         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6315         but smaller than size_needed + number of bytes that could be stored
6316         for alignment.  Compare size_needed with epilogue_size_needed instead
6317         of desired_align - align, don't adjust size_needed, pass
6318         epilogue_size_needed to the epilogue expanders.
6319
6320         PR c/35742
6321         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6322
6323 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6324
6325         * pa.c (last_address): Change to unsigned.
6326         (update_total_code_bytes): Change argument to unsigned.  Don't
6327         check if insn addresses are set.
6328         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6329         addresses are not set.
6330         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6331
6332 2009-01-09  Nick Clifton  <nickc@redhat.com>
6333
6334         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6335         DECL_DECLARED_INLINE_P.
6336
6337 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6338
6339         PR middle-end/38347
6340         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6341         GET_MODE (op0) in operand_subword_force calls.
6342
6343         PR middle-end/38771
6344         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6345         fold_convert arg0 operands to TREE_TYPE (op0) first.
6346
6347 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6348
6349         * params.def (ira-max-conflict-table-size): Decrease default value
6350         to 1000.
6351
6352 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6353
6354         PR tree-optimization/37031
6355         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6356         on parameter_set.
6357         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6358         allocate it using gc instead of heap, use VEC_quick_push instead of
6359         VEC_safe_push.
6360         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6361         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6362         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6363         allocated vector from heap allocated.
6364         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6365         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6366         vector only after perfect_loop_nest_depth call.
6367
6368 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6369             Jan Sjodin  <jan.sjodin@amd.com>
6370
6371         PR tree-optimization/38559
6372         * graphite.c (debug_value, copy_constraint,
6373         swap_constraint_variables, scale_constraint_variable, ): New.
6374         (get_lower_bound, get_upper_bound): Removed.
6375         (graphite_trans_bb_strip_mine): Clean up this code that works
6376         only for constant number of iterations.  Fully copy upper and
6377         lower bound constraints, not only the constant part of them.
6378         * graphite.h (debug_value): Declared.
6379
6380 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6381
6382         PR tree-optimization/37194
6383         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6384         Don't add the cost of cost model guard in prologue to scalar 
6385         outside cost in case of known number of iterations.
6386
6387 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6388             Alan Modra  <amodra@bigpond.net.au>
6389
6390         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6391         non-word-aligned REG+CONST addressing.
6392
6393 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6394
6395         PR target/38706
6396         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6397         free_after_compilation when outputting a thunk.
6398         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6399         Do not call free_after_compilation here.
6400
6401 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6402
6403         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6404         (ix86_valid_target_attribute_inner_p): Ditto.
6405
6406 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6407
6408         PR tree-optimization/38492
6409         PR tree-optimization/38498
6410         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6411         * tree-chrec.h (scev_is_linear_expression): Declared.
6412         * graphite.c (graphite_cannot_represent_loop_niter): New.
6413         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6414         (graphite_loop_normal_form): Use gcc_assert.
6415         (scan_tree_for_params): Use CASE_CONVERT.
6416         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6417         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6418         Use gcc_assert.  Discard scops that contain unhandled cases.
6419         (build_scop_conditions): Return a boolean status for unhandled cases.
6420         (strip_mine_profitable_p): Print the loop number, not its depth.
6421         (is_interchange_valid): Pass the depth of the loop nest, don't
6422         recompute it wrongly.
6423         (graphite_trans_bb_block): Same.
6424         (graphite_trans_bb_block): Print tentative of loop blocking.
6425         (graphite_trans_scop_block): Do not print that the loop has been
6426         blocked.
6427         (graphite_transform_loops): Do not handle scops that contain condition
6428         scalar phi nodes.
6429
6430 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6431
6432         AVX Programming Reference (December, 2008)
6433         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6434         (_mm256_stream_pd): Likewise.
6435         (_mm256_stream_ps): Likewise.
6436
6437         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6438         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6439         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6440         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6441         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6442         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6443         (ix86_expand_special_args_builtin): Likewise.
6444
6445         * config/i386/sse.md (AVXMODEDI): New.
6446         (avx_movnt<mode>): Likewise.
6447         (avx_movnt<mode>): Likewise.
6448         (<sse>_movnt<mode>): Remove AVX support.
6449         (sse2_movntv2di): Likewise.
6450
6451 2009-01-07  Richard Guenther  <rguenther@suse.de>
6452
6453         PR middle-end/38751
6454         * fold-const.c (extract_muldiv): Remove obsolete comment.
6455         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6456         to PLUS_EXPR canonicalization for the canonicalization.
6457
6458 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6459
6460         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6461         hosted cross-compilers generating less efficient code.
6462
6463 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6464
6465         * function.h (rtl_data): Add a dbr_scheduled_p field.
6466         * reorg.c (dbr_schedule): Set it.
6467         (gate_handle_delay_slots): Check it.
6468         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6469         (mips_reorg): Check flag_delayed_branch instead of
6470         mips_base_delayed_branch.
6471         (mips_override_options): Don't set mips_base_delayed_branch
6472         or flag_delayed_branch.
6473
6474 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6475
6476         PR rtl-optimization/38426.
6477         * ira.c (ira): Set current_function_is_leaf earlier.
6478
6479 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6480
6481         PR rtl-optimization/38722
6482         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6483         too early, only set a flag and modify after last possible
6484         undo_all point.
6485
6486 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6487
6488         PR c/34252
6489         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6490         * real.c (decimal_single_format): Correct values of emin and emax.
6491         (decimal_double_format): Ditto.
6492         (decimal_quad_format): Ditto.
6493         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6494         computation of DECnn_MIN and DECnn_MAX for corrected values of
6495         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6496         __DECnn_MIN__, and adjust its computation for the corrected value
6497         of emin.
6498
6499 2009-01-06  Jan Hubicka  <jh@suse.cz>
6500
6501         PR target/38744
6502         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6503
6504 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6505
6506         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6507         Add Robert Clark to the list of testers.
6508
6509 2009-01-06  Jan Hubicka  <jh@suse.cz>
6510             Kai Tietz  <kai.tietz@onevision.com>
6511
6512         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6513         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6514
6515 2009-01-06  Jan Hubicka  <jh@suse.cz>
6516             Kai Tietz  <kai.tietz@onevision.com>
6517
6518         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6519         for w64 ABI.
6520         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6521         (ix86_nsaved_regs): Count only general purpose regs.
6522         (ix86_nsaved_sseregs): New.
6523         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6524         to 16 for w64; compute padding and size of sse reg save area.
6525         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6526         general purpose regs.
6527         (ix86_emit_save_sse_regs_using_mov): New.
6528         (ix86_expand_prologue): Save SSE regs if needed.
6529         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6530         (ix86_emit_restore_sse_regs_using_mov): New.
6531         (ix86_expand_epilogue): Save SSE regs if needed.
6532
6533 2009-01-06  Jan Hubicka  <jh@suse.cz>
6534             Kai Tietz  <kai.tietz@onevision.com>
6535
6536         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6537         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6538         functions when accumulate outgoing args is off.
6539
6540 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6541
6542         PR bootstrap/38742
6543         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6544         before using pseudos_have_intersected_live_ranges_p.
6545
6546         * ira-int.h (ira_assert): Always define.
6547
6548 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6549
6550         AVX Programming Reference (December, 2008)
6551         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6552         (_mm256_permute2_pd): Likewise.
6553         (_mm_permute2_ps): Likewise.
6554         (_mm256_permute2_ps): Likewise.
6555         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6556         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6557
6558         * config/i386/i386.c (ix86_builtins): Remove
6559         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6560         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6561         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6562         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6563         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6564         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6565         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6566         __builtin_ia32_vpermil2ps256.
6567         (ix86_init_mmx_sse_builtins): Updated.
6568         (ix86_expand_args_builtin): Likewise.
6569
6570 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6571
6572         * pa.c (output_call): Relocate non-jump insns in the delay slot of
6573         long absolute calls when generating PA 2.0 code.
6574
6575 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
6576
6577         PR rtl-optimization/38583
6578         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6579
6580         * params.def (ira-max-conflict-table-size): New.
6581
6582         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6583         
6584         * ira.h (ira_conflicts_p): New external definition.
6585         
6586         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6587         table.  Report this.  Return result of building.
6588         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
6589         building conflict table.
6590
6591         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6592         (ira_color): Use ira_conflicts_p.
6593         
6594         * global.c: Include ira.h.
6595         (pseudo_for_reload_consideration_p, build_insn_chain): Use
6596         ira_conflicts_p.
6597
6598         * Makefile.in (global.o): Add ira.h.
6599         
6600         * ira-build.c (mark_all_loops_for_removal,
6601         propagate_some_info_from_allocno): New.
6602         (remove_unnecessary_allocnos): Call
6603         propagate_some_info_from_allocno.
6604         (remove_low_level_allocnos): New.
6605         (remove_unnecessary_regions): Add parameter.  Call
6606         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
6607         parameter to remove_unnecessary_regions.
6608         (ira_build): Remove all regions but root if the conflict table was
6609         not built.  Update conflict hard regs for allocnos crossing calls.
6610
6611         * ira.c (ira_conflicts_p): New global.
6612         (ira): Define and use ira_conflicts_p.
6613
6614         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6615         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6616         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6617         
6618 2009-01-06  Ben Elliston  <bje@au.ibm.com>
6619
6620         * gengtype-lex.l (YY_NO_INPUT): Define.
6621
6622 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6623
6624         PR c/34911
6625         * c-common.c (handle_vector_size_attribute): Also reject
6626         BOOLEAN_TYPE types.
6627
6628 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
6629
6630         PR tree-optimization/38492
6631         * graphite.c (rename_map_elt, debug_rename_elt,
6632         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6633         rename_map_elt_info, eq_rename_map_elts,
6634         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6635         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6636         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6637         (sese_build_livein_liveouts): New.
6638         (new_sese, free_sese): New.
6639         (new_scop): Call new_sese.
6640         (free_scop): Call free_sese.
6641         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6642         (register_old_new_names): Renamed register_old_and_new_names.
6643         (register_scop_liveout_renames, add_loop_exit_phis,
6644         insert_loop_close_phis, struct igp,
6645         default_liveout_before_guard, add_guard_exit_phis,
6646         insert_guard_phis, copy_renames): New.
6647         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6648         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6649         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6650         (scop_adjust_phis_for_liveouts): New.
6651         (gloog): Call scop_adjust_phis_for_liveouts.
6652
6653         * graphite.h (struct sese): Documented.  Added fields liveout,
6654         num_ver and livein.
6655         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6656         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6657         (struct scop): Added field liveout_renames.
6658         (SCOP_LIVEOUT_RENAMES): New.
6659
6660 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6661
6662         PR tree-optimization/38510
6663         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6664         (translate_clast): Call recompute_all_dominators before
6665         graphite_verify.
6666         (gloog): Call recompute_all_dominators before graphite_verify.
6667
6668 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6669             Jan Sjodin  <jan.sjodin@amd.com>
6670
6671         PR tree-optimization/38500
6672         * graphite.c (create_sese_edges): Call fix_loop_structure after
6673         splitting blocks.
6674
6675 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
6676
6677         * config.gcc: Add m32r*-*-rtems*.
6678         * config/m32r/rtems.h: New file.
6679
6680 2009-01-05  Ben Elliston  <bje@au.ibm.com>
6681
6682         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6683         (.po.pox): Likewise.
6684         (po/gcc.pot): Likewise.
6685
6686 2009-01-04  David S. Miller  <davem@davemloft.net>
6687
6688         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6689         (STARTING_FRAME_OFFSET): Always set to zero.
6690
6691 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6692
6693         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6694         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6695         fixed-point types, and vectors of the same.
6696
6697 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6698
6699         * config/mips/sync.md (*mb_barrier): Rename to...
6700         (*memory_barrier): ...this.
6701
6702 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
6703
6704         * doc/extend.texi (Function Attributes): Move @cindex after @item
6705         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6706         and put in alphabetical order. Fix 'target' name and put in order.
6707         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6708         typos.
6709
6710 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
6711
6712         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6713         (memory_barrier): Expand as unspec instead of unspec_volatile.
6714         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6715         (*memory_barrier): Define as unspec instead of unspec_volatile.
6716         Use (match_dup 0) as input operand.
6717
6718         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6719         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6720         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
6721         scratch register.  Remove operand 1.
6722         (*stbar): Define as unspec instead of unspec_volatile.
6723         Use (match_dup 0) as input operand, remove (const_int 8).
6724         (*membar): Define as unspec instead of unspec_volatile.
6725         Use (match_dup 0) as input operand, remove input operand 2.
6726
6727         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6728         (memory_barrier): Expand as unspec instead of unspec_volatile.
6729         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6730         (*memory_barrier): Define as unspec instead of unspec_volatile.
6731         Use (match_dup 0) as input operand.
6732
6733         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6734         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6735         Set volatile flag on operand 0.
6736         (*memory_barrier): New insn pattern.
6737
6738         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6739         insn operands.
6740         (*memory_barrier): Use (match_dup 0) as input operand.
6741
6742         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6743         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6744         Set volatile flag on operand 0.
6745         (*mb_internal): New insn pattern.
6746
6747         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6748
6749 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6750
6751         PR middle-end/38586
6752         * function.c (struct temp_slot): Move to the section of the file
6753         that deals with temp slots.  Remove field 'address'.
6754         (temp_slot_address_table): New hash table of address -> temp slot.
6755         (struct temp_slot_address_entry): New struct, items for the table.
6756         (temp_slot_address_compute_hash, temp_slot_address_hash,
6757         temp_slot_address_eq, insert_temp_slot_address): Support functions
6758         for the new table.
6759         (find_temp_slot_from_address): Rewrite to use the new hash table.
6760         (remove_unused_temp_slot_addresses): Remove addresses of temp
6761         slots that have been made available.
6762         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6763         worker function for remove_unused_temp_slot_addresses.
6764         (assign_stack_temp_for_type): Don't clear the temp slot address list.
6765         Add the temp slot address to the address -> temp slot map.
6766         (update_temp_slot_address): Update via insert_temp_slot_address.
6767         (free_temp_slots): Call remove_unused_temp_slot_addresses.
6768         (pop_temp_slots): Likewise.
6769         (init_temp_slots): Allocate the address -> temp slot map, or empty
6770         the map if it is already allocated.
6771         (prepare_function_start): Initialize temp slot processing.
6772
6773 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6774
6775         PR middle-end/38584
6776         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6777         Calculate the size of all stack vars assuming no packing of stack
6778         vars will happen, replacing a quadratic algorithm with a linear one.
6779
6780 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6781
6782         PR target/38707
6783         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6784         can't be used.
6785
6786 2009-01-03  Diego Novillo  <dnovillo@google.com>
6787
6788         * doc/contrib.texi: Update contributions.
6789
6790 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6791
6792         PR c++/38705
6793         * builtins.c (fold_builtin_memory_op): Give up if either operand
6794         is volatile.  Set srctype or desttype to non-qualified version
6795         of the other type.
6796
6797         PR c/38700
6798         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6799         and FUNCTION_DECLs.
6800
6801 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
6802
6803         PR rtl-optimization/35805
6804         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6805         problem if fast dce is able to remove any instructions.
6806         * dce.c (dce_process_block): Fix dump message.
6807         
6808 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
6809
6810         PR 33649
6811         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6812
6813 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
6814
6815         PR middle-end/38690
6816         * tree-flow.h (op_code_prio, op_prio): New prototypes.
6817         * tree-pretty-print.c (op_code_prio): New function.
6818         (op_prio): No longer static.  Use op_code_prio.
6819         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6820         Use op_prio and op_code_prio to determine if () should be
6821         printed around operand(s) or not.
6822
6823         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6824         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6825         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6826         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6827         pp_character instead of pp_string for single letter printing.
6828
6829 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6830
6831         * doc/extend.texi: Fix '#pragma GCC option' typo.
6832
6833 2009-01-02  Richard Guenther  <rguenther@suse.de>
6834
6835         * doc/install.texi (--enable-checking): Mention different
6836         default for stage1.
6837         (--enable-stage1-checking): Document.
6838
6839 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
6840
6841         PR middle-end/30142
6842         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
6843         case to be an error.
6844
6845 2009-01-02  Ben Elliston  <bje@au.ibm.com>
6846
6847         * config/fp-bit.h (pack_d): Constify argument.
6848         * config/fp-bit.c (makenan): Constify return type. Remove casts.
6849         (isnan): Constify argument.
6850         (isinf): Likewise.
6851         (iszero): Likewise.
6852         (pack_d): Likewise.
6853         (_fpadd_parts): Constify return type.
6854         (_fpmul_parts): Likewise.
6855         (_fpdiv_parts): Likewise.
6856
6857 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
6858
6859         PR c/36489
6860         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
6861         warn about overwriting initializer with side-effects or
6862         -Woverride-init if !IMPLICIT.
6863         (output_init_element): Likewise.  Pass IMPLICIT down to
6864         add_pending_init.
6865         (process_init_element): Add IMPLICIT argument.  Pass it down
6866         to output_init_element.
6867         (push_init_element, pop_init_level, set_designator): Adjust
6868         process_init_element callers.
6869         (set_nonincremental_init, set_nonincremental_init_from_string):
6870         Adjust add_pending_init callers.
6871         (output_pending_init_elements): Adjust output_init_element callers.
6872         * c-tree.h (process_init_element): Adjust prototype.
6873         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6874         process_init_element callers.