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