| blob | 24e0f46f56fdca00f6326e994de18f5a84b98fc3 |
1 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
3 PR tree-optimization/39701
4 * doc/invoke.texi (Optimization Options): Document change in
5 meaning and initialization of -fdelete-null-pointer-checks.
7 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
9 PR middle-end/39701
10 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
12 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
13 here.
15 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
17 2009-04-10 Chao-ying Fu <fu@mips.com>
19 * doc/tm.texi (Instruction Output): Document
20 TARGET_ASM_FINAL_POSTSCAN_INSN.
21 * target.h (final_postscan_insn): New field in asm_out.
22 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
23 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
24 * final.c (final_scan_insn): Call
25 targetm.asm_out.final_postscan_insn after outputting
26 an asm macro and a normal instruction.
28 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
29 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
30 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
31 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
32 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
34 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
36 PR middle-end/39701
37 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
38 variables as non-NULL even with -fdelete-null-pointer-checks.
40 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
42 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
44 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
46 PR target/39678
47 * config/i386/i386.c (classify_argument): Handle SCmode with
48 (bit_offset % 64) != 0.
50 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
52 * doc/invoke.texi (Optimize Options): Add cross-reference to
53 -Q --help=optimizers examples.
55 2009-04-10 Ben Elliston <bje@au.ibm.com>
57 PR target/36800
58 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
59 regalign for the reg == fpr and TDmode case.
61 2009-04-09 David Ayers <ayers@fsfe.org>
63 PR objc/29200
64 * objc/objc-act.c (warn_with_method): Remove helper function.
65 (check_duplicates): Call warning and inform directly.
66 (really_start_method): Likewise.
68 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
70 * expmed.c (expand_divmod): Always use a comparison for a division
71 by a large unsigned integer.
73 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
74 for things others than variables or functions as nonzero.
76 2009-04-09 Nick Clifton <nickc@redhat.com>
78 * unwind-compat.c: Change copyright header to refer to version
79 3 of the GNU General Public License with version 3.1 of the
80 GCC Runtime Library Exception and to point readers at the
81 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
82 * config/alpha/crtfastmath.c: Likewise.
83 * config/alpha/linux-unwind.h: Likewise.
84 * config/alpha/qrnnd.asm: Likewise.
85 * config/alpha/vms-crt0-64.c: Likewise.
86 * config/alpha/vms-crt0.c: Likewise.
87 * config/alpha/vms-dwarf2.asm: Likewise.
88 * config/alpha/vms-dwarf2eh.asm: Likewise.
89 * config/alpha/vms-psxcrt0-64.c: Likewise.
90 * config/alpha/vms-psxcrt0.c: Likewise.
91 * config/alpha/vms_tramp.asm: Likewise.
92 * config/arc/initfini.c: Likewise.
93 * config/arc/lib1funcs.asm: Likewise.
94 * config/arm/bpabi-v6m.S: Likewise.
95 * config/arm/bpabi.S: Likewise.
96 * config/arm/bpabi.c: Likewise.
97 * config/arm/crti.asm: Likewise.
98 * config/arm/crtn.asm: Likewise.
99 * config/arm/ieee754-df.S: Likewise.
100 * config/arm/ieee754-sf.S: Likewise.
101 * config/arm/lib1funcs.asm: Likewise.
102 * config/arm/libunwind.S: Likewise.
103 * config/arm/linux-atomic.c: Likewise.
104 * config/arm/mmintrin.h: Likewise.
105 * config/arm/pr-support.c: Likewise.
106 * config/arm/unaligned-funcs.c: Likewise.
107 * config/arm/unwind-arm.c: Likewise.
108 * config/arm/unwind-arm.h: Likewise.
109 * config/avr/libgcc.S: Likewise.
110 * config/bfin/crti.s: Likewise.
111 * config/bfin/crtlibid.s: Likewise.
112 * config/bfin/crtn.s: Likewise.
113 * config/bfin/lib1funcs.asm: Likewise.
114 * config/bfin/linux-unwind.h: Likewise.
115 * config/cris/arit.c: Likewise.
116 * config/cris/cris_abi_symbol.c: Likewise.
117 * config/darwin-64.c: Likewise.
118 * config/darwin-crt2.c: Likewise.
119 * config/darwin-crt3.c: Likewise.
120 * config/darwin.h: Likewise.
121 * config/dbxelf.h: Likewise.
122 * config/dfp-bit.c: Likewise.
123 * config/dfp-bit.h: Likewise.
124 * config/elfos.h: Likewise.
125 * config/fixed-bit.c: Likewise.
126 * config/fixed-bit.h: Likewise.
127 * config/fp-bit.c: Likewise.
128 * config/fp-bit.h: Likewise.
129 * config/fr30/crti.asm: Likewise.
130 * config/fr30/crtn.asm: Likewise.
131 * config/fr30/lib1funcs.asm: Likewise.
132 * config/freebsd-spec.h: Likewise.
133 * config/frv/cmovd.c: Likewise.
134 * config/frv/cmovh.c: Likewise.
135 * config/frv/cmovw.c: Likewise.
136 * config/frv/frvbegin.c: Likewise.
137 * config/frv/frvend.c: Likewise.
138 * config/frv/lib1funcs.asm: Likewise.
139 * config/glibc-stdint.h: Likewise.
140 * config/h8300/clzhi2.c: Likewise.
141 * config/h8300/crti.asm: Likewise.
142 * config/h8300/crtn.asm: Likewise.
143 * config/h8300/ctzhi2.c: Likewise.
144 * config/h8300/fixunssfsi.c: Likewise.
145 * config/h8300/lib1funcs.asm: Likewise.
146 * config/h8300/parityhi2.c: Likewise.
147 * config/h8300/popcounthi2.c: Likewise.
148 * config/i386/ammintrin.h: Likewise.
149 * config/i386/att.h: Likewise.
150 * config/i386/avxintrin.h: Likewise.
151 * config/i386/biarch64.h: Likewise.
152 * config/i386/bmmintrin.h: Likewise.
153 * config/i386/cpuid.h: Likewise.
154 * config/i386/cross-stdarg.h: Likewise.
155 * config/i386/crtfastmath.c: Likewise.
156 * config/i386/crtprec.c: Likewise.
157 * config/i386/cygming-crtbegin.c: Likewise.
158 * config/i386/cygming-crtend.c: Likewise.
159 * config/i386/cygwin.asm: Likewise.
160 * config/i386/emmintrin.h: Likewise.
161 * config/i386/gmm_malloc.h: Likewise.
162 * config/i386/gthr-win32.c: Likewise.
163 * config/i386/i386.h: Likewise.
164 * config/i386/immintrin.h: Likewise.
165 * config/i386/linux-unwind.h: Likewise.
166 * config/i386/linux64.h: Likewise.
167 * config/i386/mm3dnow.h: Likewise.
168 * config/i386/mmintrin-common.h: Likewise.
169 * config/i386/mmintrin.h: Likewise.
170 * config/i386/nmmintrin.h: Likewise.
171 * config/i386/pmm_malloc.h: Likewise.
172 * config/i386/pmmintrin.h: Likewise.
173 * config/i386/smmintrin.h: Likewise.
174 * config/i386/sol2-c1.asm: Likewise.
175 * config/i386/sol2-ci.asm: Likewise.
176 * config/i386/sol2-cn.asm: Likewise.
177 * config/i386/sol2-gc1.asm: Likewise.
178 * config/i386/tmmintrin.h: Likewise.
179 * config/i386/unix.h: Likewise.
180 * config/i386/w32-unwind.h: Likewise.
181 * config/i386/wmmintrin.h: Likewise.
182 * config/i386/x86-64.h: Likewise.
183 * config/i386/x86intrin.h: Likewise.
184 * config/i386/xmmintrin.h: Likewise.
185 * config/ia64/crtbegin.asm: Likewise.
186 * config/ia64/crtend.asm: Likewise.
187 * config/ia64/crtfastmath.c: Likewise.
188 * config/ia64/crti.asm: Likewise.
189 * config/ia64/crtn.asm: Likewise.
190 * config/ia64/fde-glibc.c: Likewise.
191 * config/ia64/lib1funcs.asm: Likewise.
192 * config/ia64/linux-unwind.h: Likewise.
193 * config/ia64/quadlib.c: Likewise.
194 * config/ia64/unwind-ia64.c: Likewise.
195 * config/linux.h: Likewise.
196 * config/m32c/m32c-lib1.S: Likewise.
197 * config/m32c/m32c-lib2-trapv.c: Likewise.
198 * config/m32c/m32c-lib2.c: Likewise.
199 * config/m32r/initfini.c: Likewise.
200 * config/m68hc11/larith.asm: Likewise.
201 * config/m68hc11/m68hc11-crt0.S: Likewise.
202 * config/m68k/cf.md: Likewise.
203 * config/m68k/crti.s: Likewise.
204 * config/m68k/crtn.s: Likewise.
205 * config/m68k/lb1sf68.asm: Likewise.
206 * config/m68k/linux-unwind.h: Likewise.
207 * config/mcore/crti.asm: Likewise.
208 * config/mcore/crtn.asm: Likewise.
209 * config/mcore/lib1.asm: Likewise.
210 * config/mips/linux-unwind.h: Likewise.
211 * config/mips/loongson.h: Likewise.
212 * config/mips/mips16.S: Likewise.
213 * config/mmix/crti.asm: Likewise.
214 * config/mmix/crtn.asm: Likewise.
215 * config/pa/fptr.c: Likewise.
216 * config/pa/hpux-unwind.h: Likewise.
217 * config/pa/lib2funcs.asm: Likewise.
218 * config/pa/linux-atomic.c: Likewise.
219 * config/pa/linux-unwind.h: Likewise.
220 * config/pa/milli64.S: Likewise.
221 * config/pa/quadlib.c: Likewise.
222 * config/pa/stublib.c: Likewise.
223 * config/picochip/libgccExtras/adddi3.asm: Likewise.
224 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
225 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
226 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
227 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
228 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
229 * config/picochip/libgccExtras/divmod15.asm: Likewise.
230 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
231 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
232 * config/picochip/libgccExtras/longjmp.asm: Likewise.
233 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
234 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
235 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
236 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
237 * config/picochip/libgccExtras/setjmp.asm: Likewise.
238 * config/picochip/libgccExtras/subdi3.asm: Likewise.
239 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
240 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
241 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
242 * config/rs6000/750cl.h: Likewise.
243 * config/rs6000/altivec.h: Likewise.
244 * config/rs6000/biarch64.h: Likewise.
245 * config/rs6000/crtresfpr.asm: Likewise.
246 * config/rs6000/crtresgpr.asm: Likewise.
247 * config/rs6000/crtresxfpr.asm: Likewise.
248 * config/rs6000/crtresxgpr.asm: Likewise.
249 * config/rs6000/crtsavfpr.asm: Likewise.
250 * config/rs6000/crtsavgpr.asm: Likewise.
251 * config/rs6000/darwin-asm.h: Likewise.
252 * config/rs6000/darwin-fallback.c: Likewise.
253 * config/rs6000/darwin-fpsave.asm: Likewise.
254 * config/rs6000/darwin-ldouble.c: Likewise.
255 * config/rs6000/darwin-tramp.asm: Likewise.
256 * config/rs6000/darwin-unwind.h: Likewise.
257 * config/rs6000/darwin-vecsave.asm: Likewise.
258 * config/rs6000/darwin-world.asm: Likewise.
259 * config/rs6000/e500crtres32gpr.asm: Likewise.
260 * config/rs6000/e500crtres64gpr.asm: Likewise.
261 * config/rs6000/e500crtres64gprctr.asm: Likewise.
262 * config/rs6000/e500crtrest32gpr.asm: Likewise.
263 * config/rs6000/e500crtrest64gpr.asm: Likewise.
264 * config/rs6000/e500crtresx32gpr.asm: Likewise.
265 * config/rs6000/e500crtresx64gpr.asm: Likewise.
266 * config/rs6000/e500crtsav32gpr.asm: Likewise.
267 * config/rs6000/e500crtsav64gpr.asm: Likewise.
268 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
269 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
270 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
271 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
272 * config/rs6000/eabi-ci.asm: Likewise.
273 * config/rs6000/eabi-cn.asm: Likewise.
274 * config/rs6000/eabi.asm: Likewise.
275 * config/rs6000/linux-unwind.h: Likewise.
276 * config/rs6000/linux64.h: Likewise.
277 * config/rs6000/paired.h: Likewise.
278 * config/rs6000/paired.md: Likewise.
279 * config/rs6000/ppc64-fp.c: Likewise.
280 * config/rs6000/ppu_intrinsics.h: Likewise.
281 * config/rs6000/rs6000.h: Likewise.
282 * config/rs6000/si2vmx.h: Likewise.
283 * config/rs6000/sol-ci.asm: Likewise.
284 * config/rs6000/sol-cn.asm: Likewise.
285 * config/rs6000/spe.h: Likewise.
286 * config/rs6000/spu2vmx.h: Likewise.
287 * config/rs6000/sysv4.h: Likewise.
288 * config/rs6000/tramp.asm: Likewise.
289 * config/rs6000/vec_types.h: Likewise.
290 * config/s390/linux-unwind.h: Likewise.
291 * config/s390/tpf-unwind.h: Likewise.
292 * config/score/crti.asm: Likewise.
293 * config/score/crtn.asm: Likewise.
294 * config/sh/crt1.asm: Likewise.
295 * config/sh/crti.asm: Likewise.
296 * config/sh/crtn.asm: Likewise.
297 * config/sh/divtab-sh4-300.c: Likewise.
298 * config/sh/divtab-sh4.c: Likewise.
299 * config/sh/divtab.c: Likewise.
300 * config/sh/lib1funcs-4-300.asm: Likewise.
301 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
302 * config/sh/lib1funcs.asm: Likewise.
303 * config/sh/lib1funcs.h: Likewise.
304 * config/sh/linux-atomic.asm: Likewise.
305 * config/sh/linux-unwind.h: Likewise.
306 * config/sh/shmedia.h: Likewise.
307 * config/sh/sshmedia.h: Likewise.
308 * config/sh/ushmedia.h: Likewise.
309 * config/sparc/crtfastmath.c: Likewise.
310 * config/sparc/linux-unwind.h: Likewise.
311 * config/sparc/sol2-c1.asm: Likewise.
312 * config/sparc/sol2-ci.asm: Likewise.
313 * config/sparc/sol2-cn.asm: Likewise.
314 * config/spu/divmodti4.c: Likewise.
315 * config/spu/divv2df3.c: Likewise.
316 * config/spu/float_disf.c: Likewise.
317 * config/spu/float_unsdidf.c: Likewise.
318 * config/spu/float_unsdisf.c: Likewise.
319 * config/spu/float_unssidf.c: Likewise.
320 * config/spu/mfc_multi_tag_release.c: Likewise.
321 * config/spu/mfc_multi_tag_reserve.c: Likewise.
322 * config/spu/mfc_tag_release.c: Likewise.
323 * config/spu/mfc_tag_reserve.c: Likewise.
324 * config/spu/mfc_tag_table.c: Likewise.
325 * config/spu/multi3.c: Likewise.
326 * config/spu/spu_internals.h: Likewise.
327 * config/spu/spu_intrinsics.h: Likewise.
328 * config/spu/spu_mfcio.h: Likewise.
329 * config/spu/vec_types.h: Likewise.
330 * config/spu/vmx2spu.h: Likewise.
331 * config/stormy16/stormy16-lib2.c: Likewise.
332 * config/svr4.h: Likewise.
333 * config/sync.c: Likewise.
334 * config/v850/lib1funcs.asm: Likewise.
335 * config/vxlib-tls.c: Likewise.
336 * config/vxlib.c: Likewise.
337 * config/vxworks-dummy.h: Likewise.
338 * config/xtensa/crti.asm: Likewise.
339 * config/xtensa/crtn.asm: Likewise.
340 * config/xtensa/ieee754-df.S: Likewise.
341 * config/xtensa/ieee754-sf.S: Likewise.
342 * config/xtensa/lib1funcs.asm: Likewise.
343 * config/xtensa/lib2funcs.S: Likewise.
344 * config/xtensa/linux-unwind.h: Likewise.
345 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
346 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
347 * coretypes.h: Likewise.
348 * crtstuff.c: Likewise.
349 * defaults.h: Likewise.
350 * dwarf2.h: Likewise.
351 * emutls.c: Likewise.
352 * gbl-ctors.h: Likewise.
353 * gcov-io.h: Likewise.
354 * ginclude/float.h: Likewise.
355 * ginclude/iso646.h: Likewise.
356 * ginclude/stdarg.h: Likewise.
357 * ginclude/stdbool.h: Likewise.
358 * ginclude/stddef.h: Likewise.
359 * ginclude/stdfix.h: Likewise.
360 * ginclude/stdint-gcc.h: Likewise.
361 * ginclude/tgmath.h: Likewise.
362 * gthr-aix.h: Likewise.
363 * gthr-dce.h: Likewise.
364 * gthr-gnat.c: Likewise.
365 * gthr-gnat.h: Likewise.
366 * gthr-lynx.h: Likewise.
367 * gthr-mipssde.h: Likewise.
368 * gthr-nks.h: Likewise.
369 * gthr-posix.c: Likewise.
370 * gthr-posix.h: Likewise.
371 * gthr-posix95.h: Likewise.
372 * gthr-rtems.h: Likewise.
373 * gthr-single.h: Likewise.
374 * gthr-solaris.h: Likewise.
375 * gthr-tpf.h: Likewise.
376 * gthr-vxworks.h: Likewise.
377 * gthr-win32.h: Likewise.
378 * gthr.h: Likewise.
379 * libgcc2.c: Likewise.
380 * libgcc2.h: Likewise.
381 * libgcov.c: Likewise.
382 * tsystem.h: Likewise.
383 * typeclass.h: Likewise.
384 * unwind-c.c: Likewise.
385 * unwind-compat.h: Likewise.
386 * unwind-dw2-fde-compat.c: Likewise.
387 * unwind-dw2-fde-darwin.c: Likewise.
388 * unwind-dw2-fde-glibc.c: Likewise.
389 * unwind-dw2-fde.c: Likewise.
390 * unwind-dw2-fde.h: Likewise.
391 * unwind-dw2.c: Likewise.
392 * unwind-dw2.h: Likewise.
393 * unwind-generic.h: Likewise.
394 * unwind-pe.h: Likewise.
395 * unwind-sjlj.c: Likewise.
396 * unwind.inc: Likewise.
397 * config/arm/neon-gen.ml: Change generated copyright header to
398 refer to version 3 of the GNU General Public License with
399 version 3.1 of the GCC Runtime Library Exception and to point
400 readers at the COPYING3 and COPYING3.RUNTIME files and the
401 FSF's license web page.
402 * config/arm/arm_neon.h: Regenerate.
404 2009-04-09 Jakub Jelinek <jakub@redhat.com>
406 * config/cris/cris.md: Change copyright header to refer to version
407 3 of the GNU General Public License.
408 * doc/install.texi2html: Change copyright header to refer to version
409 3 of the GNU General Public License and to point readers at the
410 COPYING3 file and the FSF's license web page.
411 * config/vax/linux.h: Likewise.
413 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
415 * config/i386/i386.md (cmpcc): New.
416 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
417 (sync_compare_and_swap_cc*): Delete.
419 * config/s390/s390.c (s390_compare_emitted): Remove.
420 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
421 s390_compare_emitted used to be handled. Assert that modes match.
422 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
423 refer to sync_compare_and_swap_ccsi.
424 * config/s390/s390.h (s390_compare_emitted): Remove.
425 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
426 instead of s390_compare_emitted.
427 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
428 instead of s390_compare_emitted.
429 * config/s390/s390.md (cmpcc): New.
430 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
431 CC_REGNUM, do not pretend it's set.
432 (sync_compare_and_swap_cc*): Delete.
433 * config/s390/predicates.md (cc_reg_operand): New.
435 * expr.c (sync_compare_and_swap_cc): Delete.
436 * optabs.h (sync_compare_and_swap_cc): Delete.
437 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
438 is being used with can_compare_p.
439 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
440 (find_cc_set): New.
441 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
442 look for a MODE_CC set instead. Use emit_store_flag.
443 (expand_compare_and_swap_loop): Likewise, with some additional
444 complication to avoid a force_reg when useless. Use
445 emit_cmp_and_jump_insns.
446 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
447 * doc/md.texi (sync_compare_and_swap_cc): Merge with
448 sync_compare_and_swap documentation.
450 2009-04-09 Jan Hubicka <jh@suse.cz>
452 * except.c (find_prev_try): Break out from ....
453 (duplicate_eh_regions): ... here; properly update prev_try pointers
454 when duplication part of tree.
455 (dump_eh_tree): Improve dumping.
456 (verify_eh_region): New.
457 (verify_eh_tree): Use it.
459 2009-04-06 Richard Guenther <rguenther@suse.de>
461 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
462 &ARRAY addresses by adjusting their types and prepending
463 a conversion.
464 * tree-cfg.c (verify_gimple_assign_single): Verify that
465 addresses are correct.
467 2009-04-09 Richard Guenther <rguenther@suse.de>
469 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
470 indices into an array reference if possible.
471 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
472 Fold POINTER_PLUS_EXPR statements with invariant address.
474 2009-04-09 Alan Modra <amodra@bigpond.net.au>
476 PR target/39634
477 * config.gcc (powerpc64-*-linux*): Always build biarch.
479 2009-04-09 Joseph Myers <joseph@codesourcery.com>
481 PR c/39613
482 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
483 it and pedwarn if this results in an INTEGER_CST.
485 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
487 * doc/install.texi: Update minimum GMP version. Remove obsolete
488 text in MPFR section.
490 2009-04-08 Jakub Jelinek <jakub@redhat.com>
492 * dwarf2out.c (class_scope_p): New static inline.
493 (class_or_namespace_scope_p): Use it.
494 (gen_variable_die): Use DW_TAG_member tag for static data member
495 declarations instead of DW_TAG_variable.
497 PR middle-end/39573
498 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
499 variables.
501 2009-04-08 Richard Guenther <rguenther@suse.de>
503 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
504 valueize random data.
506 2009-04-08 David Edelsohn <edelsohn@gnu.org>
508 * config.gcc (aix tm_file): Add aix-stdint.h.
509 (aix tm clause use_gcc_stdint): Set to wrap.
510 * config/rs6000/aix-stdint.h: New file.
512 2009-04-08 Richard Guenther <rguenther@suse.de>
514 PR middle-end/36291
515 * tree-dfa.c (add_referenced_var): Do not recurse into
516 global initializers.
517 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
518 exposed variables.
519 (fold_const_aggregate_ref): Likewise.
521 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
523 * recog.c (ordered_comparison_operator): New.
524 * gensupport.c (std_preds): Add it.
525 * doc/md.texi (Machine-Independent Predicates): Document it.
527 2009-04-08 Jan Hubicka <jh@suse.cz>
529 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
530 * function.h (rtl_eh): Remove exception_handler_label_map.
531 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
532 remove_exception_handler_label, for_each_eh_label_1): Remove.
533 (rtl_remove_unreachable_regions): Remove.
534 (convert_from_eh_region_ranges): Do not remove unreachable regions.
535 (find_exception_handler_labels): Don't build the hashtable.
536 (maybe_remove_eh_handler): Remove.
537 (for_each_eh_label): Rewrite to walk the tree.
538 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
539 * except.h (maybe_remove_eh_handler): Remove.
540 * passes.c (init_optimization_passes): Schedule second EH cleanup
541 before out-of-ssa.
542 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
543 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
545 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
547 * genoutput.c (validate_optab_operands): New.
548 (gen_insn, gen_expand): Call it.
550 * genflags.c (gen_insn): Detect misused iterators.
551 (main): Pass line_no to gen_insn, exit with status 1 on error.
553 * genextract.c (line_no): Make global.
554 (VEC_safe_set_locstr): Change assertion to error message.
555 (main): Exit with status 1 on error.
557 2009-04-08 Joseph Myers <joseph@codesourcery.com>
559 PR c/39614
560 PR c/39673
561 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
562 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
563 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
564 * c-convert.c (convert): Do not call fold on results of conversion
565 functions when the result is a C_MAYBE_CONST_EXPR.
566 * c-parser.c (c_parser_postfix_expression): Do not fold condition
567 of __builtin_choose_expr.
568 * c-typeck.c (remove_c_maybe_const_expr): New.
569 (build_unary_op, build_conditional_expr, build_compound_expr,
570 build_binary_op, c_objc_common_truthvalue_conversion): Call
571 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
572 integer operands.
574 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
576 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
577 CODE to produce a new one. Add a prototype to use fold_convert_const
579 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
581 PR bootstrap/39660
582 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
583 mix declarations and code.
585 2009-04-08 Ben Elliston <bje@au.ibm.com>
587 * gcc.c: Replace `CC' with `GCC' throughout.
589 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
591 * doc/invoke.texi: Document Atom support.
593 2009-04-07 Jason Merrill <jason@redhat.com>
595 PR c++/25185
596 * c-common.h, c-common.c: Add flag_pretty_templates.
597 * c-opts.c (c_common_handle_option): Set it.
598 * c.opt: Add -fno-pretty-templates.
599 * doc/invoke.texi (C++ Dialect Options): Likewise.
601 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
603 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
604 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
605 (ia64_expand_builtin): Likewise.
607 2009-04-07 Martin Jambor <mjambor@suse.cz>
609 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
610 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
611 ADDR_EXPRS are include too.
613 2009-04-07 Richard Guenther <rguenther@suse.de>
615 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
616 decls are only used if passes as parameters or if they are
617 local statics and the call is not to a builtin.
618 (call_may_clobber_ref_p_1): Likewise.
620 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
622 * expr.c (do_store_flag): Remove last argument. Simplify code
623 to avoid duplication of tests already done by can_compare_p.
624 (expand_expr_real_1): Adjust caller.
626 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
628 * optabs.c (can_compare_p): Test the predicate of a
629 cbranch and cstore pattern.
631 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
633 * expr.c (convert_move): Use emit_store_flag instead of
634 "emulating" it.
636 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
638 * config/i386/i386.c (ix86_compare_emitted): Remove.
639 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
640 ix86_compare_op0 like ix86_compare_emitted used to be handled.
641 * config/i386/i386.h (ix86_compare_emitted): Remove.
642 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
643 instead of ix86_compare_emitted.
644 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
646 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
648 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
649 Add t-sysroot-suffix to tmake_file.
650 * config/print-sysroot-suffix.sh: New file.
651 * config/t-sysroot-suffix: New file.
653 2009-04-07 Ben Elliston <bje@au.ibm.com>
655 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
656 as the latter produces a warning when the target does not support
657 infinity.
659 2009-04-07 Ben Elliston <bje@au.ibm.com>
661 * dfp.c: Replace type punning assignments with memcpy throughout.
662 * Makefile.in (dfp.o-warn): Remove.
664 2009-04-07 Alan Modra <amodra@bigpond.net.au>
666 PR target/39634
667 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
668 Include soft-fp/t-softfp after rs6000/t-linux64.
670 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
672 * stor-layout.c (set_sizetype): Use the full precision of their
673 machine mode for bitsize types.
675 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
677 * config/i386/i386.md: Revert 2 accidental checkins.
679 2009-04-06 Joey Ye <joey.ye@intel.com>
680 Xuepeng Guo <xuepeng.guo@intel.com>
681 H.J. Lu <hongjiu.lu@intel.com>
683 Atom pipeline model, tuning and insn selection.
684 * config.gcc (atom): Add atom config options and target.
686 * config/i386/atom.md: New.
688 * config/i386/i386.c (atom_cost): New cost.
689 (m_ATOM): New macro flag.
690 (initial_ix86_tune_features): Set m_ATOM.
691 (x86_accumulate_outgoing_args): Likewise.
692 (x86_arch_always_fancy_math_387): Likewise.
693 (processor_target): Add Atom cost.
694 (cpu_names): Add Atom cpu name.
695 (override_options): Set Atom ISA.
696 (ix86_issue_rate): New case PROCESSOR_ATOM.
697 (ix86_adjust_cost): Likewise.
699 * config/i386/i386.h (TARGET_ATOM): New target macro.
700 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
701 (TARGET_OPT_AGU): New target option.
702 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
703 (processor_type): Add PROCESSOR_ATOM.
705 * config/i386/i386.md (cpu): Add new value "atom".
706 (use_carry, movu): New attr.
707 (atom.md): Include atom.md.
708 (adddi3_carry_rex64): Set attr "use_carry".
709 (addqi3_carry): Likewise.
710 (addhi3_carry): Likewise.
711 (addsi3_carry): Likewise.
712 (*addsi3_carry_zext): Likewise.
713 (subdi3_carry_rex64): Likewise.
714 (subqi3_carry): Likewise.
715 (subhi3_carry): Likewise.
716 (subsi3_carry): Likewise.
717 (x86_movdicc_0_m1_rex64): Likewise.
718 (*x86_movdicc_0_m1_se): Likewise.
719 (x86_movsicc_0_m1): Likewise.
720 (*x86_movsicc_0_m1_se): Likewise.
721 (*adddi_1_rex64): Emit add insn as much as possible.
722 (*addsi_1): Likewise.
723 (return_internal): Set atom_unit.
724 (return_internal_long): Likewise.
725 (return_pop_internal): Likewise.
726 (*rcpsf2_sse): Set atom_sse_attr attr.
727 (*qrt<mode>2_sse): Likewise.
728 (*prefetch_sse): Likewise.
730 * config/i386/i386-c.c (ix86_target_macros_internal): New case
731 PROCESSOR_ATOM.
732 (ix86_target_macros_internal): Likewise.
734 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
735 (*prefetch_sse_rex): Likewise.
736 (sse_rcpv4sf2): Likewise.
737 (sse_vmrcpv4sf2): Likewise.
738 (sse_sqrtv4sf2): Likewise.
739 (<sse>_vmsqrt<mode>2): Likewise.
740 (sse_ldmxcsr): Likewise.
741 (sse_stmxcsr): Likewise.
742 (*sse_sfence): Likewise.
743 (sse2_clflush): Likewise.
744 (*sse2_mfence): Likewise.
745 (*sse2_lfence): Likewise.
746 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
747 (<sse>_movup<ssemodesuffixf2c>): Likewise.
748 (avx_movdqu<avxmodesuffix>): Likewise.
749 (avx_lddqu<avxmodesuffix>): Likewise.
750 (sse2_movntv2di): Change attr "type" to "ssemov".
751 (sse2_movntsi): Likewise.
752 (rsqrtv8sf2): Change attr "type" to "sseadd".
753 (sse3_addsubv2df3): Set attr "atom_unit".
754 (sse3_h<plusminus_insn>v4sf3): Likewise.
755 (*sse2_pmaddwd): Likewise.
756 (*vec_extractv2di_1_rex64): Likewise.
757 (*vec_extractv2di_1_avx): Likewise.
758 (sse2_psadbw): Likewise.
759 (ssse3_phaddwv8hi3): Likewise.
760 (ssse3_phaddwv4hi3): Likewise.
761 (ssse3_phadddv4si3): Likewise.
762 (ssse3_phadddv2si3): Likewise.
763 (ssse3_phaddswv8hi3): Likewise.
764 (ssse3_phaddswv4hi3): Likewise.
765 (ssse3_phsubwv8hi3): Likewise.
766 (ssse3_phsubwv4hi3): Likewise.
767 (ssse3_phsubdv4si3): Likewise.
768 (ssse3_phsubdv2si3): Likewise.
769 (ssse3_phsubswv8hi3): Likewise.
770 (ssse3_phsubswv4hi3): Likewise.
771 (ssse3_pmaddubsw128): Likewise.
772 (sse3_pmaddubsw: Likewise.
773 (ssse3_palignrti): Likewise.
774 (ssse3_palignrdi): Likewise.
776 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
778 * doc/install.texi (Specific): Fix two cross-references to MinGW.
780 2009-04-06 Richard Guenther <rguenther@suse.de>
782 PR tree-optimization/28868
783 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
784 of which PHI results we inserted.
785 (insert_into_preds_of_block): Record inserted PHIs.
786 (eliminate): Eliminate redundant PHI nodes.
787 (init_pre): Init inserted_phi_names.
789 2009-04-06 Richard Guenther <rguenther@suse.de>
791 PR tree-optimization/39643
792 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
793 IMAGPART_EXPRs of complex constants.
794 (execute_fold_all_builtins): If we folded a call queue
795 TODO_update_address_taken.
797 2009-04-06 Jan Hubicka <jh@suse.cz>
799 PR middle-end/39659
800 * except.c (remove_unreachable_regions): Propagate may_contain_throw
801 flag.
803 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
805 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
806 delay slot.
807 (ic_invalidate_array): Likewise.
809 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
811 * calls.c (emit_library_call_value_1): Fix a problem with parameter
812 alignment for library calls.
814 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
816 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
817 (mingw32 tm clause use_gcc_stdint): Set to wrap.
818 * config/i386/mingw-stdint.h: New file.
820 2009-04-05 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/39648
823 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
824 our &A vs. &A[0] IL deficiencies.
826 2009-04-04 Jan Hubicka <jh@suse.cz>
828 * except.c (sjlj_find_directly_reachable_regions): Be ready for
829 removed toplevel regions.
830 (sjlj_mark_call_sites): Likewise.
832 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
834 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
835 (cygwin tm clause use_gcc_stdint): Set to wrap.
836 * config/i386/cygwin-stdint.h: New file.
838 2009-04-04 Richard Guenther <rguenther@suse.de>
840 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
841 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
842 single-argument PHIs if we are in loop-closed SSA form.
843 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
844 for the pre-condition.
845 (slpeel_tree_peel_loop_to_edge): Likewise.
846 (vect_build_loop_niters): Take an optional sequence to append stmts.
847 (vect_generate_tmps_on_preheader): Likewise.
848 (vect_do_peeling_for_loop_bound): Take extra guards for the
849 pre-condition.
850 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
851 the cost model check.
852 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
853 guards if we are going to peel. Do not apply versioning in that case.
854 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
855 (vect_do_peeling_for_loop_bound): Likewise.
856 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
857 loop bound only record extra pre-conditions, do not apply loop
858 versioning.
860 2009-04-04 Richard Guenther <rguenther@suse.de>
862 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
863 renaming code.
865 2009-04-04 Jan Hubicka <jh@suse.cz>
867 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
868 last_basic_block for size of bb->index indexed array.
869 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
870 compute_out, link_btr_uses, build_btr_def_use_webs,
871 build_btr_def_use_webs, migrate_btr_defs): Likewise.
873 2009-04-04 Jan Hubicka <jh@suse.cz>
875 * except.c (remove_eh_handler_and_replace): Break out from ...
876 (remove_eh_handler): ... here.
877 (bring_to_root): New function.
878 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
879 handled ones, bring others to root of tree.
881 2009-04-04 Jan Hubicka <jh@suse.cz>
883 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
884 (all_phis_safe_to_merge): New function.
885 (update_info): New structure.
886 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
887 (cleanup_empty_eh): Update SSA if possible.
889 2009-04-04 Richard Guenther <rguenther@suse.de>
891 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
892 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
893 (append_vuse): Likewise.
895 2009-04-04 Jakub Jelinek <jakub@redhat.com>
897 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
898 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
899 instead of REG_UNSAVED for DW_CFA_undefined.
900 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
901 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
902 outermost frame.
904 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
906 PR target/39501
907 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
908 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
909 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
911 2009-04-04 Richard Guenther <rguenther@suse.de>
913 PR tree-optimization/8781
914 PR tree-optimization/37892
915 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
916 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
917 (valueize_refs): Call it for *& valueizations.
918 (shared_reference_ops_from_ref): Rename to ...
919 (valueize_shared_reference_ops_from_ref): ... this and valueize.
920 (shared_reference_ops_from_call): Rename to ...
921 (valueize_shared_reference_ops_from_call): ... this and valueize.
922 (vn_reference_lookup): Update.
923 (visit_reference_op_call): Likewise.
924 * tree-ssa-pre.c (phi_translate_1): Fold *&.
925 (eliminate): Value-replace the call address in call statements.
927 2009-04-04 Richard Guenther <rguenther@suse.de>
929 PR tree-optimization/39636
930 * tree-ssa-forwprop.c
931 (forward_propagate_addr_into_variable_array_index): Check for
932 GIMPLE_ASSIGN before accessing the rhs code.
934 2009-04-03 Jason Merrill <jason@redhat.com>
936 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
938 2009-04-03 Steve Ellcey <sje@cup.hp.com>
940 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
941 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
942 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
943 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
944 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
945 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
946 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
947 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
948 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
949 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
950 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
951 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
952 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
953 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
954 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
955 Use fr_reg_or_fp01_operand instead of fr_register_operand
957 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
958 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
959 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
961 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
963 PR rtl-optimization/39607
964 PR rtl-optimization/39631
966 Revert:
968 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
969 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
970 instead of DF_LR_OUT.
971 * ira-lives.c (process_bb_node_lives): Ditto.
972 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
973 instead of DF_LR_{OUT,IN}.
974 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
975 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
977 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
979 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
980 (execute_lower_omp): Always run but take the short way out if -fopenmp
981 is not given.
982 (gate_lower_omp): Remove, forcing the pass manager to always run the
983 pass and always set PROP_gimple_lomp.
984 (pass_lower_omp): Remove gate function.
985 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
986 PROP_trees. Instead, require it.
987 * ipa-cp.c (pass_ipa_cp): Likewise.
988 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
989 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
990 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
991 and PROP_gimple_leh.
993 2009-04-03 Richard Guenther <rguenther@suse.de>
995 PR middle-end/13146
996 PR tree-optimization/23940
997 PR tree-optimization/33237
998 PR middle-end/33974
999 PR middle-end/34093
1000 PR tree-optimization/36201
1001 PR tree-optimization/36230
1002 PR tree-optimization/38049
1003 PR tree-optimization/38207
1004 PR tree-optimization/38230
1005 PR tree-optimization/38301
1006 PR tree-optimization/38585
1007 PR middle-end/38895
1008 PR tree-optimization/38985
1009 PR tree-optimization/39299
1010 * tree-ssa-structalias.h: Remove.
1011 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1012 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1013 (struct vuse_element_d): Remove.
1014 (struct vuse_vec_d): Likewise.
1015 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1016 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1017 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1018 VUSE_ELEMENT_VAR): Likewise.
1019 (struct voptype_d): Likewise.
1020 (NUM_VOP_FREE_BUCKETS): Likewise.
1021 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1022 (struct stmt_operands_d): Remove.
1023 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1024 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1025 VDEF_NUM, VDEF_VECT): Likewise.
1026 (copy_virtual_operands): Remove.
1027 (operand_build_cmp): Likewise.
1028 (create_ssa_artificial_load_stmt): Likewise.
1029 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1030 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1031 vuse_index and mayuse_index members. Pack and move done and iter_type
1032 members to the front.
1033 (SSA_OP_VMAYUSE): Remove.
1034 (SSA_OP_VIRTUAL_USES): Adjust.
1035 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1036 (unlink_stmt_vdef): Declare.
1037 (add_to_addressable_set): Remove.
1038 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1039 (vrp_visit_stmt): Likewise.
1040 * doc/tree-ssa.texi (Alias analysis): Update.
1041 * doc/invoke.texi (max-aliased-vops): Remove docs.
1042 (avg-aliased-vops): Likewise.
1043 * tree-into-ssa.c (syms_to_rename): Remove.
1044 (need_to_update_vops_p): Likewise.
1045 (need_to_initialize_update_ssa_p): Rename to ...
1046 (update_ssa_initialized_fn): ... this. Track function we are
1047 initialized for.
1048 (symbol_marked_for_renaming): Simplify.
1049 (add_new_name_mapping): Do not set need_to_update_vops_p.
1050 (dump_currdefs): Use SYMS_TO_RENAME.
1051 (rewrite_update_stmt): Always walk all uses/defs.
1052 (dump_update_ssa): Adjust.
1053 (init_update_ssa): Take function argument. Track what we are
1054 initialized for.
1055 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1056 (create_new_def_for): Initialize for cfun, assert we are initialized
1057 for cfun.
1058 (mark_sym_for_renaming): Simplify.
1059 (mark_set_for_renaming): Do not initialize update-ssa.
1060 (need_ssa_update_p): Simplify. Take function argument.
1061 (name_mappings_registered_p): Assert we ask for the correct function.
1062 (name_registered_for_update_p): Likewise.
1063 (ssa_names_to_replace): Likewise.
1064 (release_ssa_name_after_update_ssa): Likewise.
1065 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1066 (dump_decl_set): Do not print a newline.
1067 (debug_decl_set): Do it here.
1068 (dump_update_ssa): And here.
1069 * tree-ssa-loop-im.c (move_computations): Adjust.
1070 (movement_possibility): Likewise.
1071 (determine_max_movement): Likewise.
1072 (gather_mem_refs_stmt): Likewise.
1073 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1074 or NAME_MEMORY_TAG.
1075 * tree-complex.c (update_all_vops): Remove.
1076 (expand_complex_move): Adjust.
1077 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1078 Simplify test for memory referencing statement. Exclude
1079 non-invariant ADDR_EXPRs.
1080 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1081 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1082 (rdg_flag_uses): Likewise.
1083 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1084 related code.
1085 (tree_optimize_tail_calls_1): Also split the
1086 edge from the entry block if we have degenerate PHI nodes in
1087 the first basic block.
1088 * tree.c (init_ttree): Remove memory-tag related code.
1089 (tree_code_size): Likewise.
1090 (tree_node_structure): Likewise.
1091 (build7_stat): Re-write to be build6_stat.
1092 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1093 (SSA_VAR_P): Adjust.
1094 (struct tree_memory_tag): Remove.
1095 (struct tree_memory_partition_tag): Likewise.
1096 (union tree_node): Adjust.
1097 (build7): Re-write to be build6.
1098 * tree-pass.h (pass_reset_cc_flags): Remove.
1099 (TODO_update_address_taken): New flag.
1100 (pass_simple_dse): Remove.
1101 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1102 * params.h (MAX_ALIASED_VOPS): Remove.
1103 (AVG_ALIASED_VOPS): Likewise.
1104 * omp-low.c (expand_omp_taskreg): Update SSA form.
1105 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1106 aliases the lhs in a copy stmt.
1107 * tree-ssa-dse.c (struct address_walk_data): Remove.
1108 (memory_ssa_name_same): Likewise.
1109 (memory_address_same): Likewise.
1110 (get_kill_of_stmt_lhs): Likewise.
1111 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1112 unused stores. Look through PHI nodes into post-dominated regions.
1113 (dse_optimize_stmt): Simplify. Properly remove stores.
1114 (tree_ssa_dse): Compute dominators.
1115 (execute_simple_dse): Remove.
1116 (pass_simple_dse): Likewise.
1117 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1118 gimple_loaded_syms and gimple_stored_syms computation.
1119 * toplev.c (dump_memory_report): Dump alias and pta stats.
1120 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1121 (vn_reference_eq): Likewise.
1122 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1123 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1124 valueize_vuses): Remove.
1125 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1126 (get_def_ref_stmt_vuse): ... this.
1127 (vn_reference_lookup_2): New function.
1128 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1129 walking equivalent vuses. Simplify.
1130 (vn_reference_lookup): Likewise.
1131 (vn_reference_insert): Likewise.
1132 (vn_reference_insert_pieces): Likewise.
1133 (visit_reference_op_call): Simplify.
1134 (visit_reference_op_load): Likewise.
1135 (visit_reference_op_store): Likewise.
1136 (init_scc_vn): Remove shared_lookup_vuses initialization.
1137 (free_scc_vn): Remove shared_lookup_vuses freeing.
1138 (sort_vuses, sort_vuses_heap): Remove.
1139 (get_ref_from_reference_ops): Export.
1140 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1141 vector with single vuse pointer.
1142 (vn_reference_lookup_pieces, vn_reference_lookup,
1143 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1144 (shared_vuses_from_stmt): Remove.
1145 (get_ref_from_reference_ops): Declare.
1146 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1147 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1148 memory-tag related code.
1149 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1150 (likely_value): Add comment, skip static-chain of call statements.
1151 (surely_varying_stmt_p): Adjust.
1152 (gimplify_and_update_call_from_tree): Likewise.
1153 (execute_fold_all_builtins): Do not rebuild alias info.
1154 (gimplify_and_update_call_from_tree): Properly update VOPs.
1155 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1156 (copy_ref_info): Remove memory-tag related code.
1157 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1158 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1159 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1160 computation.
1161 * tree-ssa-dom.c (gimple_p): Remove typedef.
1162 (eliminate_redundant_computations): Adjust.
1163 (record_equivalences_from_stmt): Likewise.
1164 (avail_expr_hash): Likewise.
1165 (avail_expr_eq): Likewise.
1166 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1167 (stmt_makes_single_load): Likewise.
1168 (stmt_makes_single_store): Likewise.
1169 * tree-ssa-alias.c: Rewrite completely.
1170 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1171 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1172 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1173 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1174 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1175 Remove public functions.
1176 (pass_reset_cc_flags): Remove.
1177 (pass_build_alias): Move ...
1178 * tree-ssa-structalias.c (pass_build_alias): ... here.
1179 * tree-ssa-alias.c (may_be_aliased): Move ...
1180 * tree-flow-inline.h (may_be_aliased): ... here.
1181 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1182 count_uses_and_derefs): Move ...
1183 * gimple.c: ... here.
1184 * gimple.h (count_uses_and_derefs): Declare.
1185 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1186 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1187 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1188 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1189 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1190 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1191 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1192 New functions.
1193 * tree-dfa.c (refs_may_alias_p): Move ...
1194 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1195 * tree-ssa-alias.h: New file.
1196 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1197 (statement_sink_location): Likewise.
1198 * opts.c (decode_options): Do not adjust max-aliased-vops or
1199 avg-aliased-vops values.
1200 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1201 (TV_CALL_CLOBBER): Likewise.
1202 (TV_FLOW_SENSITIVE): Likewise.
1203 (TV_FLOW_INSENSITIVE): Likewise.
1204 (TV_MEMORY_PARTITIONING): Likewise.
1205 (TV_ALIAS_STMT_WALK): New timevar.
1206 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1207 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1208 (get_address_description): Remove memory-tag related code.
1209 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1210 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1211 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1212 and immediate uses in statements. Document.
1213 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1214 (dump_symbols): Remove.
1215 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1216 * alias.c (get_deref_alias_set): New function split out from ...
1217 (get_alias_set): ... here.
1218 * alias.h (get_deref_alias_set): Declare.
1219 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1220 type parameter. Remove restrict pointer handling. Create a
1221 ref-all pointer in case type-based alias sets do not conflict.
1222 (vect_analyze_data_refs): Remove SMT related code.
1223 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1224 (vectorizable_load): Likewise.
1225 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1226 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1227 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1228 Ignore vops and SMTs.
1229 (dr_analyze_alias): Likewise..
1230 (free_data_ref): Likewise.
1231 (create_data_ref): Likewise.
1232 (analyze_all_data_dependences): Likewise.
1233 (get_references_in_stmt): Adjust.
1234 * tree-flow-inline.h (gimple_aliases_computed_p,
1235 gimple_addressable_vars, gimple_call_clobbered_vars,
1236 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1237 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1238 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1239 gimple_mem_ref_stats): Remove.
1240 (gimple_vop): New function.
1241 (op_iter_next_use): Remove vuses and mayuses cases.
1242 (op_iter_next_def): Remove vdefs case.
1243 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1244 (clear_and_done_ssa_iter): Do not set removed fields.
1245 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1246 Assert we are not iterating over vuses or vdefs if not also
1247 iterating over uses or defs.
1248 (op_iter_init_use): Likewise.
1249 (op_iter_init_def): Likewise.
1250 (op_iter_next_vdef): Remove.
1251 (op_iter_next_mustdef): Likewise.
1252 (op_iter_init_vdef): Likewise.
1253 (compare_ssa_operands_equal): Likewise.
1254 (link_use_stmts_after): Handle vuse operand.
1255 (is_call_used): Use is_call_clobbered.
1256 (is_call_clobbered): Global variables are always call clobbered,
1257 query the call-clobbers bitmap.
1258 (mark_call_clobbered): Ignore global variables.
1259 (clear_call_clobbered): Likewise.
1260 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1261 virtual operands sanity check.
1262 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1263 Remove.
1264 (TARGET_MEM_REF): Remove TMR_TAG operand.
1265 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1266 Remove call-clobber related code.
1267 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1268 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1269 partitions or escape reason.
1270 (get_single_def_stmt, get_single_def_stmt_from_phi,
1271 get_single_def_stmt_with_phi): Remove.
1272 (dump_referenced_vars): Tidy.
1273 (get_ref_base_and_extent): Allow bare decls.
1274 (collect_dfa_stats): Adjust.
1275 * graphite.c (rename_variables_in_stmt): Adjust.
1276 (graphite_copy_stmts_from_block): Likewise.
1277 (translate_clast): Likewise.
1278 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1279 (EXPR_DIES): New.
1280 (translate_vuse_through_block): Use the oracle.
1281 (phi_translate_1): Adjust.
1282 (value_dies_in_block_x): Use the oracle. Cache the outcome
1283 in EXPR_DIES.
1284 (valid_in_sets): Check if the VUSE for
1285 a REFERENCE is available.
1286 (eliminate): Do not remove stmts during elimination,
1287 instead queue and remove them afterwards.
1288 (do_pre): Do not rebuild alias info.
1289 (pass_pre): Run TODO_rebuild_alias before PRE.
1290 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1291 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1292 (mark_all_v_defs_stmt): Remove.
1293 (mark_all_v_defs_seq): Adjust.
1294 (sra_replace): Likewise.
1295 (scalarize_use): Likewise.
1296 (scalarize_copy): Likewise.
1297 (scalarize_init): Likewise.
1298 (scalarize_ldst): Likewise.
1299 (todoflags): Remove.
1300 (tree_sra): Do not rebuild alias info.
1301 (tree_sra_early): Adjust.
1302 (pass_sra): Run TODO_update_address_taken before SRA.
1303 * tree-predcom.c (set_alias_info): Remove.
1304 (prepare_initializers_chain): Do not call it.
1305 (mark_virtual_ops_for_renaming): Adjust.
1306 (mark_virtual_ops_for_renaming_list): Remove.
1307 (initialize_root_vars): Adjust.
1308 (initialize_root_vars_lm): Likewise.
1309 (prepare_initializers_chain): Likewise.
1310 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1311 (may_propagate_copy_into_stmt): Likewise.
1312 (merge_alias_info): Do nothing for now.
1313 (propagate_tree_value_into_stmt): Adjust.
1314 (stmt_may_generate_copy): Likewise.
1315 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1316 not mark symbols for renaming.
1317 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1318 with the same statement, make sure to update the new pointed-to one.
1319 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1320 call statements, do not mark symbols for renaming.
1321 (mark_operand_necessary): Dump something.
1322 (ref_may_be_aliased): New function.
1323 (mark_aliased_reaching_defs_necessary_1): New helper function.
1324 (mark_aliased_reaching_defs_necessary): Likewise.
1325 (mark_all_reaching_defs_necessary_1): Likewise.
1326 (mark_all_reaching_defs_necessary): Likewise.
1327 (propagate_necessity): Do not process virtual PHIs. For
1328 non-aliased loads mark all reaching definitions as necessary.
1329 For aliased loads and stores mark the immediate dominating
1330 aliased clobbers as necessary.
1331 (visited): New global static.
1332 (perform_tree_ssa_dce): Free visited bitmap after propagating
1333 necessity.
1334 (remove_dead_phis): Perform simple dead virtual PHI removal.
1335 (remove_dead_stmt): Properly unlink virtual operands when
1336 removing stores.
1337 (eliminate_unnecessary_stmts): Schedule PHI removal after
1338 stmt removal.
1339 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1340 (process_replaceable): Likewise.
1341 (find_replaceable_in_bb): Likewise.
1342 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1343 based on the single gimple vop.
1344 (verify_flow_insensitive_alias_info): Remove.
1345 (verify_flow_sensitive_alias_info): Likewise.
1346 (verify_call_clobbering): Likewise.
1347 (verify_memory_partitions): Likewise.
1348 (verify_alias_info): Likewise.
1349 (verify_ssa): Adjust..
1350 (execute_update_addresses_taken): Export. Update SSA
1351 manually. Optimize only when optimizing. Use a local bitmap.
1352 (pass_update_address_taken): Remove TODO_update_ssa, add
1353 TODO_dump_func.
1354 (pass_update_address_taken): Just use TODO_update_address_taken.
1355 (init_tree_ssa): Do not initialize addressable_vars.
1356 (verify_ssa): Verify new VUSE / VDEF properties.
1357 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1358 Do not call verify_alias_info.
1359 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1360 Do not free the loaded and stored syms bitmaps. Reset the escaped
1361 and callused solutions. Do not free addressable_vars.
1362 Remove memory-tag related code.
1363 (warn_uninitialized_var): Aliases are always available.
1364 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1365 * lambda-code.c (can_put_in_inner_loop): Adjust.
1366 (can_put_after_inner_loop): Likewise.
1367 (perfect_nestify): Likewise.
1368 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1369 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1370 (vectorizable_conversion): Do not mark symbols for renaming.
1371 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1372 (expand_call_inline): Unlink the calls virtual operands before
1373 replacing it.
1374 (tree_function_versioning): Do not call update_ssa if we are not
1375 updating clones. Simplify.
1376 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1377 (propagate_with_phi): Likewise..
1378 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1379 clobber code. Assert we are not aliased or global.
1380 * tree-flow.h: Include tree-ssa-alias.h
1381 (enum escape_type): Remove.
1382 (struct mem_sym_stats_d): Likewise.
1383 (struct mem_ref_stats_d): Likewise.
1384 (struct gimple_df): Add vop member. Remove global_var,
1385 call_clobbered_vars, call_used_vars, addressable_vars,
1386 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1387 escaped and callused members.
1388 (struct ptr_info_def): Remove all members, add points-to solution
1389 member pt.
1390 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1391 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1392 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1393 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1394 (tree-ssa-alias.o): Likewise.
1395 (toplev.o): Add tree-ssa-alias.h
1396 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1397 * gimple.c (gimple_set_bb): Fix off-by-one error.
1398 (is_gimple_reg): Do not handle memory tags.
1399 (gimple_copy): Also copy virtual operands.
1400 Delay updating the statement. Do not reset loaded and stored syms.
1401 (gimple_set_stored_syms): Remove.
1402 (gimple_set_loaded_syms): Likewise.
1403 (gimple_call_copy_skip_args): Copy the virtual operands
1404 and mark the new statement modified.
1405 * tree-ssa-structalias.c (may_alias_p): Remove.
1406 (set_uids_in_ptset): Take the alias set to prune with as
1407 parameter. Fold in the alias test of may_alias_p.
1408 (compute_points_to_sets): Compute whether a ptr is dereferenced
1409 in a local sbitmap.
1410 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1411 other ADDRESSOF constraints on the lhs.
1412 (get_constraint_for_component_ref): Assert that we don't get
1413 ADDRESSOF constraints from the base of the reference.
1414 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1415 (struct variable_info): Remove collapsed_to member.
1416 (get_varinfo_fc): Remove.
1417 (new_var_info): Do not set collapsed_to.
1418 (dump_constraint): Do not follow cycles.
1419 (dump_constraint_graph): Likewise.
1420 (build_pred_graph): Likewise.
1421 (build_succ_graph): Likewise.
1422 (rewrite_constraints): Likewise.
1423 (do_simple_structure_copy): Remove.
1424 (do_rhs_deref_structure_copy): Remove.
1425 (do_lhs_deref_structure_copy): Remove.
1426 (collapse_rest_of_var): Remove.
1427 (do_structure_copy): Re-implement.
1428 (pta_stats): New global variable.
1429 (dump_pta_stats): New function.
1430 (struct constraint_expr): Make offset signed.
1431 (UNKNOWN_OFFSET): Define special value.
1432 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1433 (solution_set_expand): New helper function split out from ...
1434 (do_sd_constraint): ... here.
1435 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1436 (do_ds_constraint): Likewise.
1437 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1438 and CALLUSED = *CALLUSED.
1439 (set_union_with_increment): Make inc argument signed.
1440 (type_safe): Remove.
1441 (get_constraint_for_ptr_offset): Handle unknown and negative
1442 constant offsets.
1443 (first_vi_for_offset): Handle offsets before start. Bail
1444 out early for offsets beyond the variable extent.
1445 (first_or_preceding_vi_for_offset): New function.
1446 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1447 Together with ESCAPED = *ESCAPED this properly computes reachability.
1448 (find_what_var_points_to): New function.
1449 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1450 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1451 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1452 pt_solutions_intersect): New functions.
1453 (compute_call_used_vars): Remove.
1454 (compute_may_aliases): New main entry into PTA computation.
1455 * gimple.h (gimple_p): New typedef.
1456 (struct gimple_statement_base): Remove references_memory_p.
1457 (struct gimple_statement_with_memory_ops_base): Remove
1458 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1459 members.
1460 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1461 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1462 gimple_set_references_memory): Remove.
1463 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1464 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1465 New functions.
1466 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1467 (verify_expr): Allow RESULT_DECL.
1468 (gimple_duplicate_bb): Do not copy virtual operands.
1469 (gimple_duplicate_sese_region): Adjust.
1470 (gimple_duplicate_sese_tail): Likewise.
1471 (mark_virtual_ops_in_region): Remove.
1472 (move_sese_region_to_fn): Do not call it.
1473 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1474 and pass_simple_dse.
1475 (execute_function_todo): Handle TODO_update_address_taken,
1476 call execute_update_addresses_taken for TODO_rebuild_alias.
1477 (execute_todo): Adjust.
1478 (execute_one_pass): Init dump files early.
1479 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1480 call-clobbered.
1481 (create_general_new_stmt): Clear vops.
1482 * tree-ssa-reassoc.c (get_rank): Adjust.
1483 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1484 symbols for renaming.
1485 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1486 (PARAM_AVG_ALIASED_VOPS): Likewise.
1487 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1488 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1489 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1490 (operand_build_cmp, copy_virtual_operands,
1491 create_ssa_artificial_load_stmt, add_to_addressable_set,
1492 gimple_add_to_addresses_taken): Remove public functions.
1493 (unlink_stmt_vdef): New function.
1495 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1497 * config.gcc (powerpc-*-linux*): Merge variants.
1499 2009-04-02 Chao-ying Fu <fu@mips.com>
1500 James Grosbach <james.grosbach@microchip.com>
1502 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1503 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1504 cop0_sp_offset.
1505 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1506 keep_interrupts_masked_p, use_debug_exception_return_p.
1507 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1508 keep_interrupts_masked, use_debug_exception_return.
1509 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1510 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1511 New functions.
1512 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1513 (mips_print_operand): Process COP0 registers to print $0 .. $31
1514 correctly for GAS to process.
1515 (mips_interrupt_extra_call_saved_reg_p): New function.
1516 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1517 extra registers.
1518 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1519 (mips_compute_frame_info): Add supports for interrupt context that
1520 includes doubleword accumulators and COP0 registers.
1521 (mips_for_each_saved_acc): New function.
1522 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1523 mips_for_each_saved_reg.
1524 (mips_save_reg): Save accumulators.
1525 (mips_kernel_reg_p): A new for_each_rtx callback.
1526 (mips_expand_prologue): Support interrupt handlers.
1527 (mips_restore_reg): Restore accumulators.
1528 (mips_expand_epilogue): Support interrupt handlers.
1529 (mips_can_use_return_insn): Return false for interrupt handlers.
1530 (mips_epilogue_uses): New function.
1531 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1532 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1533 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1534 cop0_move): New instructions.
1535 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1536 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1537 defines.
1538 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1539 New defines.
1540 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1541 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1542 interrupt handlers, we use K0 as the temporary register.
1543 (EPILOGUE_USES): Change to a function call.
1544 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1545 handlers, we use K0 as the temporary register.
1547 * doc/extend.texi (Function Attributes): Document interrupt,
1548 use_shadow_register_set, keep_interrupts_masked,
1549 use_debug_exception_return for MIPS attributes.
1551 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1553 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1554 Remove a number of t-files from tmake_file.
1555 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1556 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1557 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1558 target_prototype, not TARGET_PROTOTYPE.
1559 (LINK_OS_GNU_SPEC): Define.
1560 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1561 and darwin-ldoubdle.c.
1563 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1565 PR driver/39293
1566 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1567 (cpp_options): Ditto.
1568 (default_compilers): Ditto.
1569 (display_help): Ditto.
1570 (process_command): Ditto.
1571 (do_spec_1): Ditto.
1572 (set_input): Use lbasename instead of duplicate code.
1573 (save_temps_prefix): New static for -save-temps=obj.
1574 (save_temps_length): Ditto.
1576 * doc/invoke.texi (-save-temps=obj): Document new variant to
1577 -save-temps switch.
1579 2009-04-02 Jeff Law <law@redhat.com>
1581 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1582 variable.
1584 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1586 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1587 * configure: Regenerated.
1589 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1591 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1592 share the argument list.
1594 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1596 Merge
1598 2009-02-12 Diego Novillo <dnovillo@google.com>
1600 * varpool.c (debug_varpool): New.
1601 * cgraph.h (debug_varpool): Declare.
1603 2009-04-02 Jan Hubicka <jh@suse.cz>
1605 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1606 pass.
1608 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1610 * config/i386/i386.c (ix86_abi): Move initialization to ...
1611 (override_options): Here.
1613 2009-04-02 Christian Bruel <christian.bruel@st.com>
1615 * config/sh/sh.c (sh_dwarf_register_span): New function.
1616 (TARGET_DWARF_REGISTER_SPAN): Define.
1617 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1619 2009-04-02 Ira Rosen <irar@il.ibm.com>
1621 PR tree-optimization/39595
1622 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1623 interleaved loads group is not greater than the SLP group size.
1625 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1627 * builtins.c (is_builtin_name): New.
1628 (called_as_built_in): Use is_builtin_name.
1629 * tree.h (is_builtin_name): New.
1630 * varasm.c (incorporeal_function_p): Use is_builtin_name
1632 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1634 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1636 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1638 PR c++/26693
1639 * c-decl.c: (clone_underlying_type): Move this ...
1640 * c-common.c (set_underlying_type): ... here.
1641 Also, make sure the function properly sets TYPE_STUB_DECL() on
1642 the newly created typedef variant type.
1643 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1644 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1645 points.
1647 2009-04-02 Richard Guenther <rguenther@suse.de>
1649 PR tree-optimization/37221
1650 * tree-flow.h (degenerate_phi_result): Declare.
1651 * tree-ssa-dom.c (degenerate_phi_result): Export.
1652 * tree-scalar-evolution.c (analyze_initial_condition): If
1653 the initial condition is defined by a degenerate PHI node
1654 use the degenerate value.
1656 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1658 PR rtl-optimization/39588
1659 * combine.c (merge_outer_ops): Do not set the constant when this
1660 is not necessary.
1661 (simplify_shift_const_1): Do not modify it either in this case.
1663 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1665 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1666 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1668 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1670 PR c/29027
1671 * c-lex.c (interpret_float): Default (no suffix) is double.
1673 2009-04-1 Xinliang David Li <davidxl@google.com>
1675 * config/i386/i386.c (legitimate_constant_p): Recognize
1676 all one vector constant.
1678 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1680 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1681 Change #include order to silence two warnings.
1683 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1685 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1686 (ASM_SPEC): Pass -k to the assembler for PIC code.
1688 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1690 * gcc/config.gcc: Add vax-*-linux* to the switch.
1691 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1692 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1694 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1696 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1697 Use predicate macros instead of GET_CODE() == foo.
1698 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1699 ashlsi3, rotrsi3, <unnamed>): Likewise.
1701 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1703 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1704 jbbccihi, jbbccisi): Remova trailing whitespace.
1705 * gcc/config/vax/constraints.md: Likewise.
1706 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1707 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1708 * gcc/config/vax/predicates.md: Likewise.
1709 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1710 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1711 * gcc/config/vax/vax.h: Likewise.
1712 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1714 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1716 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1717 (indirectable_address_p, adjacent_operands_p): Add spaces around
1718 braces.
1719 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1721 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1723 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1724 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1725 index_term_p, reg_plus_index_p, legitimate_address_p,
1726 vax_mode_dependent_address_p): Update comments to match functions
1727 modified by the recent int->bool conversion.
1729 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1731 * gcc/config/vax/builtins.md: Update copyright message.
1732 * gcc/config/vax/constraints.md: Likewise.
1733 * gcc/config/vax/netbsd-elf.h: Likewise.
1734 * gcc/config/vax/predicates.md: Likewise.
1735 * gcc/config/vax/vax-protos.h: Likewise.
1736 * gcc/config/vax/vax.c: Likewise.
1737 * gcc/config/vax/vax.h: Likewise.
1738 * gcc/config/vax/vax.md: Likewise.
1739 * gcc/config/vax/vax.opt: Likewise.
1741 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1743 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1744 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1745 * gcc/config/vax/constraints.md (B, R): Likewise.
1746 * gcc/config/vax/predicates.md (external_memory_operand,
1747 nonimmediate_addsub_di_operand): Likewise.
1748 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1749 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1750 untyped_call): Likewise.
1752 2009-04-01 Matt Thomas <matt@3am-software.com>
1754 * config/vax/predicates.md: New file.
1755 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
1756 external_const_operand, nonsymbolic_operand, external_memory_operand,
1757 indirect_memory_operand, indexed_memory_operand,
1758 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1759 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1760 predicate.
1761 * config/vax/constraints.md: New file.
1762 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
1763 New constraint.
1764 * config/vax/builtins.md: New file.
1765 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
1766 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
1767 jbbccisi): Define.
1768 * config/vax/vax.opt (mqmath): Add option.
1769 * config/vax/vax.md (isfx): Extend with DI.
1770 (VAXintQH, VAXintQHSD): Define.
1771 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1772 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1773 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1774 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1775 (movdi): Update constraints and use vax_output_int_move().
1776 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1777 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1778 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1779 nonlocal_goto): New.
1780 (mov<mode>): Extend accepted operand types.
1781 (subdi3_old): Rename from subdi3, change update constraints and use
1782 a new implementation.
1783 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1784 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1785 MOVE_RATIO, CLEAR_RATIO): Define.
1786 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1787 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1788 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1789 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1790 (split_quadword_operands): Make static and really allow variable
1791 splitting.
1792 (print_operand_address): Update for PIC generation.
1793 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1794 indexable_address_p, fixup_mathdi_operand,
1795 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1796 (vax_float_literal, legitimate_constant_p,
1797 indirectable_constant_address_p, index_term_p,
1798 reg_plus_index_p): Return bool instead of int.
1799 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1800 where needed.
1801 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1802 generation.
1803 (vax_output_conditional_branch): Indent.
1804 (legitimate_constant_address_p, indirectable_constant_address_p,
1805 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1806 vax_mode_dependent_address_p): Return bool instead of int, update for
1807 PIC generation.
1808 * config/vax/vax-protos.h (legitimate_constant_address_p,
1809 legitimate_constant_p, legitimate_address_p,
1810 vax_mode_dependent_address_p): Change declaration to bool.
1811 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1812 vax_expand_addsub_di_operands, vax_output_int_subtract,
1813 vax_output_movmemsi): Declare.
1814 (split_quadword_operands, vax_float_literal): Delete declaration.
1815 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1816 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1817 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1818 ASM_OUTPUT_DWARF_PCREL): Define.
1819 (ASM_SPEC): Change definition to allow PIC generation.
1821 2009-04-01 Steve Ellcey <sje@cup.hp.com>
1823 * doc/sourcebuild.texi: Update front-end requirements.
1825 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1827 PR target/39226
1828 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1829 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1830 (booldi3_internal3): Use boolean_or_operator instead of
1831 boolean_operator.
1833 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1835 PR c/39605
1836 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1837 declarator whose size is not an integer constant expression but
1838 folds to an integer constant, then treat it as a constant
1839 subsequently.
1841 2009-04-01 Richard Guenther <rguenther@suse.de>
1843 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1844 i * 4 + 2 to (i * 2 + 1) * 2.
1846 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1848 PR c/37772
1849 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1850 return if c_parser_asm_string_literal returned NULL.
1852 2009-04-01 Nick Clifton <nickc@redhat.com>
1854 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1855 already defined.
1856 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1857 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1858 other typedefs to avoid conflicts with libgcc2.c. Define labels
1859 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1860 include it.
1861 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1862 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1863 then include it.
1865 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1867 * varasm.c (default_function_rodata_section): Declare DOT as
1868 const char*.
1870 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1871 Andrey Galkin <agalkin@hypercom.com>
1873 PR/39492
1874 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1875 Make object_name unique for each process.
1877 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1879 PR other/39591
1880 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1881 addressable variables in the parallel that could go out of scope while
1882 running queued tasks.
1884 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1886 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1887 (CASE_VALUES_THRESHOLD): Redefine.
1888 * config/avr/avr.c (avr_override_options): Remove initialization of
1889 avr_case_values_threshold variable.
1890 (avr_case_values_threshold): Remove variable. Add new function.
1891 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1892 * config/avr/avr.opt (mno-tablejump): Remove option.
1893 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1895 2009-04-01 DJ Delorie <dj@redhat.com>
1897 * varasm.c (default_function_rodata_section): Don't assume
1898 anything about where the first '.' in the section name is.
1900 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1902 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1903 rs6000_emit_stack_tie.
1905 2009-03-31 Ian Lance Taylor <iant@google.com>
1907 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1908 gimple_code with GIMPLE_RESX, not RESX.
1910 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1912 * c-common.c (c_get_ident): New.
1913 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
1915 2009-04-01 Ben Elliston <bje@au.ibm.com>
1917 * config/rs6000/sysv4.opt (msdata): Improve option description.
1919 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1921 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1922 (divdf3_internal_lat): Remove.
1923 (divxf3_internal_lat): Remove.
1924 (divxf3_internal_thr): Remove.
1925 (divxf): Use divxf3_internal.
1926 * config/ia64/div.md (divsf3_internal_lat): New.
1927 (divdf3_internal_lat): New.
1928 (divxf3_internal): New.
1930 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1932 PR c/448
1933 * Makefile.in (USE_GCC_STDINT): Define.
1934 (stmp-int-hdrs): Install stdint.h if applicable.
1935 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1936 if known.
1937 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1938 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1939 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1940 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1941 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1942 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1943 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1944 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1945 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1946 (c_common_nodes_and_builtins): Initialize
1947 underlying_wchar_type_node. Do not initialize
1948 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1949 nodes for new types.
1950 (c_stddef_cpp_builtins): Define macros for new types.
1951 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1952 Remove.
1953 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1954 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1955 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1956 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1957 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1958 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1959 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1960 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1961 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1962 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1963 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1964 int16_type_node, int32_type_node, int64_type_node,
1965 uint8_type_node, uint16_type_node, c_uint32_type_node,
1966 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1967 int_least32_type_node, int_least64_type_node,
1968 uint_least8_type_node, uint_least16_type_node,
1969 uint_least32_type_node, uint_least64_type_node,
1970 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1971 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1972 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1973 uintptr_type_node): Define.
1974 * c-cppbuiltin.c (builtin_define_constants,
1975 builtin_define_type_minmax): New.
1976 (builtin_define_stdint_macros): Define more macros.
1977 (c_cpp_builtins): Define more limit macros.
1978 (type_suffix): New.
1979 (builtin_define_type_max): Define in terms of
1980 builtin_define_type_minmax. Remove is_long parameter. All
1981 callers changed.
1982 * config.gcc (use_gcc_stdint): Define.
1983 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1984 Add newlib-stdint.h for generic targets.
1985 * config/glibc-stdint.h, config/newlib-stdint.h,
1986 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1987 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1988 * config/score/score.h (UINTPTR_TYPE): Define.
1989 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1990 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1991 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1992 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1993 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1994 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1995 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1996 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1997 * config/spu/spu.h (STDINT_LONG32): Define.
1998 * configure.ac (use_gcc_stdint): Substitute.
1999 * configure: Regenerate.
2000 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2001 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2002 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2003 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2004 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2005 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2006 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2007 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2008 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2009 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2010 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2011 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2012 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2013 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2014 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2015 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2016 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2017 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2018 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2019 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2020 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2021 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2022 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2023 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2024 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2025 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2026 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2027 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2028 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2030 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2032 * loop-iv.c (suitable_set_for_replacement): Renamed from
2033 simplify_using_assignment; changed to return bool and to accept new
2034 args DEST and SRC. Return true iff we find a source/destination pair
2035 that can be used to make a replacement, and fill SRC and DEST if so.
2036 Remove arg ALTERED. Don't deal with altered regs here. All callers
2037 changed.
2038 (simplify_using_initial_values): Deal with altered regs here and track
2039 more precisely the effect they have on the validity of our expression.
2041 * loop-iv.c (simplify_using_condition): A condition of the form
2042 (EQ REG CONST) can be used to simply make a substitution.
2043 (simplify_using_initial_values): Keep track of conditions we have seen
2044 and keep using them to simplify new expressions, while applying the
2045 same substitutions to them as to the expression.
2047 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2048 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2049 GEU/LTU reversed.
2051 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2052 changed. Use this when trying to improve the upper bound.
2053 Generate the comparison by using simplify_gen_relational.
2055 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2057 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2058 functions.
2059 (simplify_using_assignment, simplify_using_initial_values): Call
2060 replace_in_expr to make replacements. Call replace_single_def_regs
2061 once on the initial version of the expression.
2063 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2065 PR target/27237
2066 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2068 2009-03-31 Richard Guenther <rguenther@suse.de>
2070 PR middle-end/31029
2071 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2072 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2074 2009-03-31 Richard Guenther <rguenther@suse.de>
2076 * tree.h (div_if_zero_remainder): Declare.
2077 * fold-const.c (div_if_zero_remainder): Export.
2078 * tree-ssa-forwprop.c
2079 (forward_propagate_addr_into_variable_array_index): Handle
2080 constant array index addition outside of the variable index.
2082 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2084 PR target/39592
2085 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2086 define_splits, floatunssi<mode>2): Require x87 conversions from
2087 DImode to be permitted.
2089 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2091 PR preprocessor/15638
2092 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2094 2009-03-31 Richard Guenther <rguenther@suse.de>
2096 PR middle-end/23401
2097 PR middle-end/27810
2098 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2099 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2100 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2101 a separate statement.
2102 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2103 (lookup_tmp_var): Likewise.
2104 (is_gimple_formal_tmp_or_call_rhs): Remove.
2105 (is_gimple_reg_or_call_rhs): Rename to ...
2106 (is_gimple_reg_rhs_or_call): ... this.
2107 (is_gimple_mem_or_call_rhs): Rename to ...
2108 (is_gimple_mem_rhs_or_call): ... this.
2109 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2110 DECL_GIMPLE_REG_P only if is_formal is true.
2111 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2112 for non-proper post-modify expression gimplification.
2113 (gimplify_self_mod_expr): For post-modify expressions gimplify
2114 the lvalue to a minimal lvalue.
2115 (rhs_predicate_for): Remove formal temp case.
2116 (gimplify_modify_expr_rhs): Likewise.
2117 (gimplify_addr_expr): Use is_gimple_reg.
2118 (gimplify_expr): Remove formal temp cases.
2119 (gimple_regimplify_operands): Likewise.
2120 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2121 and FILTER_EXPR like constants.
2122 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2123 is_gimple_reg.
2124 (is_gimple_formal_tmp_rhs): Remove.
2125 (is_gimple_reg_rhs): Remove special casing.
2126 (is_gimple_mem_rhs): Fix.
2127 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2128 (is_gimple_formal_tmp_var): Remove.
2129 (is_gimple_formal_tmp_reg): Likewise.
2130 (is_gimple_min_lval): Allow invariant component ref parts.
2131 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2132 is_gimple_formal_tmp_reg): Remove declarations.
2133 * tree-cfg.c (verify_expr): Verify that variables with address
2134 taken do not have DECL_GIMPLE_REG_P set.
2135 * tree-mudflap.c (mf_build_check_statement_for): Use
2136 force_gimple_operand instead of gimplify_expr.
2138 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2140 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2141 schedulable rows to compute_split_row.
2143 2009-03-31 Ben Elliston <bje@au.ibm.com>
2145 PR target/31635
2146 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2147 OPT_mvrsave.
2149 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2151 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2152 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2153 * configure: Regenerate.
2154 * config.in: Regenerate.
2155 * config/rs6000/rs6000.opt (mtls-markers): Add.
2156 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2157 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2158 (tls_ld_aix, tls_ld_sysv): Likewise.
2159 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2160 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2162 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2164 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2166 2009-03-30 Jan Hubicka <jh@suse.cz>
2168 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2169 out of RESX.
2170 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2171 detection and label handling.
2173 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2175 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2176 left_conflicts_size.
2177 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2178 ALLOCNO_LEFT_CONFLICTS_SIZE.
2180 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2181 remove_allocno_from_bucket_and_push,
2182 allocno_spill_priority_compare, push_allocnos_to_stack,
2183 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2184 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2185 (setup_allocno_left_conflicts_num): Ditto. Rename to
2186 setup_allocno_left_conflicts_size.
2187 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2188 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2189 setup_allocno_left_conflicts_size instead of
2190 setup_allocno_left_conflicts_num.
2192 * ira-build.c (ira_create_allocno): Use
2193 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2194 ALLOCNO_LEFT_CONFLICTS_NUM.
2196 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2198 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2199 instead of DF_LR_OUT.
2201 * ira-lives.c (process_bb_node_lives): Ditto.
2203 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2204 instead of DF_LR_{OUT,IN}.
2206 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2208 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2210 2009-03-30 Jan Hubicka <jh@suse.cz>
2212 * except.c (label_to_region_map): Fix thinko.
2214 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2216 PR middle-end/38237
2217 * tree.h (tree_find_value): New declaration.
2218 * tree.c (tree_find_value): New function.
2219 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2221 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2223 PR debug/39563
2224 * c-decl.c (struct c_binding): Add locus field.
2225 (bind): Add locus argument, set locus field from it.
2226 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2227 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2228 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2229 implicitly_declare, undeclared_variable, lookup_label,
2230 declare_label, c_make_fname_decl, c_builtin_function,
2231 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2232 bind callers.
2234 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2236 PR target/38781
2237 * config/i386/i386.c (classify_argument): Check total size of
2238 structure.
2240 2009-03-30 Martin Jambor <mjambor@suse.cz>
2242 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2243 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2244 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2245 respectively.
2247 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2248 seen_variable_array_ref while also traversing a union.
2250 * tree-inline.c (optimize_inline_calls): Do not call
2251 cgraph_node_remove_callees.
2252 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2253 (pass_remove_cgraph_callee_edges): New variable.
2254 * passes.c (init_optimization_passes): Add
2255 pass_remove_cgraph_callee_edges after early inlining and before all
2256 late intraprocedural passes.
2258 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2260 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2262 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2263 Fix typos in names.
2265 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2267 * combine.c (simplify_comparison): Use have_insn_for.
2268 * dojump.c (do_jump): Likewise.
2270 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2272 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2273 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2274 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2275 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2276 instead of sparc_compare_emitted.
2277 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2278 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2279 instead of sparc_compare_emitted.
2281 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2283 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2284 enter/exit cfglayout mode.
2285 (pass_partition_block): Require it.
2286 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2287 (combine_instructions): Track basic blocks instead of labels.
2288 (update_cfg_for_uncondjump): New.
2289 (try_combine): Use it. Update jumps after rescanning.
2290 (pass_combine): Require PROP_cfglayout.
2291 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2293 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2295 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2296 Provide/destroy PROP_cfglayout respectively.
2297 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2298 * tree-pass.h (PROP_cfglayout): New.
2300 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2302 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2303 fold_convert_const_fixed_from_fixed,
2304 fold_convert_const_fixed_from_int,
2305 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2306 set TREE_CONSTANT_OVERFLOW.
2307 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2308 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2310 2009-03-30 Ira Rosen <irar@il.ibm.com>
2312 * tree-vect-loop-manip.c: New file.
2313 * tree-vectorizer.c: Update documentation and included files.
2314 (vect_loop_location): Make extern.
2315 (rename_use_op): Move to tree-vect-loop-manip.c
2316 (rename_variables_in_bb, rename_variables_in_loop,
2317 slpeel_update_phis_for_duplicate_loop,
2318 slpeel_update_phi_nodes_for_guard1,
2319 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2320 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2321 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2322 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2323 find_loop_location): Likewise.
2324 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2325 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2326 get_vectype_for_scalar_type, vect_is_simple_use,
2327 supportable_widening_operation, supportable_narrowing_operation):
2328 Likewise.
2329 (bb_in_loop_p): Move to tree-vect-loop.c.
2330 (new_loop_vec_info, destroy_loop_vec_info,
2331 reduction_code_for_scalar_code, report_vect_op,
2332 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2333 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2334 (vect_supportable_dr_alignment): Likewise.
2335 * tree-vectorizer.h (tree-data-ref.h): Include.
2336 (vect_loop_location): Declare.
2337 Reorganize function declarations according to the new file structure.
2338 * tree-vect-loop.c: New file.
2339 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2340 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2341 * tree-vect-data-refs.c: New file.
2342 * tree-vect-patterns.c (timevar.h): Don't include.
2343 * tree-vect-stmts.c: New file.
2344 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2345 tree-vect-slp.c, tree-vect-loop.c.
2346 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2347 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2348 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2349 (tree-vect-analyze.o): Remove.
2350 (tree-vect-transform.o): Likewise.
2351 (tree-vect-data-refs.o): Add rule.
2352 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2353 tree-vect-slp.o): Likewise.
2354 (tree-vect-patterns.o): Remove redundant dependencies.
2355 (tree-vectorizer.o): Likewise.
2356 * tree-vect-slp.c: New file.
2358 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2360 * optc-gen.awk: Warn if an option flag has multiple different
2361 help strings.
2363 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2365 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2366 -floop-block): Document dependences on PPL, CLooG and Graphite.
2368 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2370 PR rtl-optimization/323
2371 * c-common.c (c_fully_fold, convert_and_check,
2372 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2373 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2374 * c-common.def (EXCESS_PRECISION_EXPR): New.
2375 * c-cppbuiltin.c (builtin_define_float_constants): Define
2376 constants with enough digits for long double.
2377 * c-lex.c (interpret_float): Interpret constant with excess
2378 precision where appropriate.
2379 * c-opts.c (c_common_post_options): Set
2380 flag_excess_precision_cmdline. Give an error for
2381 -fexcess-precision=standard for C++ for processors where the
2382 option is significant.
2383 * c-parser.c (c_parser_conditional_expression): Handle excess
2384 precision in condition.
2385 * c-typeck.c (convert_arguments): Handle arguments with excess
2386 precision.
2387 (build_unary_op): Move excess precision outside operation.
2388 (build_conditional_expr): Likewise.
2389 (build_compound_expr): Likewise.
2390 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2391 (build_modify_expr): Handle excess precision in RHS.
2392 (convert_for_assignment): Handle excess precision in converted
2393 value.
2394 (digest_init, output_init_element, process_init_element): Handle
2395 excess precision in initializer.
2396 (c_finish_return): Handle excess precision in return value.
2397 (build_binary_op): Handle excess precision in operands and add
2398 excess precision as needed for operation.
2399 * common.opt (-fexcess-precision=): New option.
2400 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2401 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2402 For standard excess precision, output explicit conversion to and
2403 truncation from XFmode.
2404 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2405 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2406 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2407 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2408 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2409 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2410 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2411 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2412 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2413 define_splits, sqrt<mode>2): Disable where appropriate for
2414 standard excess precision.
2415 * convert.c (convert_to_real): Do not shorten arithmetic to type
2416 for which excess precision would be used.
2417 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2418 * doc/invoke.texi (-fexcess-precision=): Document option.
2419 (-mfpmath=): Correct index entry.
2420 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2421 flag_excess_precision): New.
2422 * langhooks.c (lhd_post_options): Set
2423 flag_excess_precision_cmdline.
2424 * opts.c (common_handle_option): Handle -fexcess-precision=.
2425 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2426 init_excess_precision): New.
2427 (lang_dependent_init_target): Call init_excess_precision.
2428 * tree.c (excess_precision_type): New.
2429 * tree.h (excess_precision_type): Declare.
2431 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2433 PR c/35235
2434 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2435 non-lvalue to component.
2437 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2439 PR preprocessor/34695
2440 * Makefile.in (c-opts.o): Depend on c-tree.h.
2441 * c-common.c: Move down include of diagnostic.h.
2442 (done_lexing, c_cpp_error): New.
2443 * c-common.h (done_lexing): Declare.
2444 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2445 (parse_in).
2446 * c-opts.c: Include c-tree.h.
2447 (c_common_init_options): Set preprocessor error callback.
2448 (c_common_handle_option): Do not set preprocessor
2449 inhibit_warnings, warnings_are_errors, warn_system_headers,
2450 pedantic_errors or inhibit_warnings flags.
2451 (c_common_post_options): Do not check cpp_errors (parse_in).
2452 (c_common_finish): Do not output dependencies if there were
2453 errors. Do not check return value of cpp_finish.
2454 * c-ppoutput.c (pp_file_change): Set input_location.
2455 * c-tree.h (c_cpp_error): Declare.
2456 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2457 override_column.
2458 (diagnostic_build_prefix): Check override_column.
2459 * diagnostic.h (diagnostic_info): Add override_column field.
2460 (diagnostic_override_column): Define.
2462 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2464 * c-common.c (c_expand_expr, c_staticp): Remove.
2465 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2466 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2467 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2468 * c-gimplify.c (gimplify_compound_literal_expr,
2469 optimize_compound_literals_in_ctor): Remove.
2470 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2471 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2472 * c-semantics.c (emit_local_var): Remove.
2474 * langhooks-def.h (lhd_expand_expr): Remove.
2475 * langhooks.c (lhd_expand_expr): Remove.
2476 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2478 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2479 handling from c-semantics.c; don't call into langhook.
2480 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2481 * gimplify.c (gimplify_compound_literal_expr,
2482 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2483 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2484 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2485 as was done in c-gimplify.c.
2486 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2487 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2488 Move from c-common.h.
2489 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2491 * tree.c (staticp): Do not call langhook.
2492 * langhooks.c (lhd_staticp): Delete.
2493 * langhooks-def.h (lhd_staticp): Delete prototype.
2494 (LANG_HOOKS_STATICP): Delete.
2495 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2497 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2498 instead of DECL_STMTs.
2500 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2502 PR c/456
2503 PR c/5675
2504 PR c/19976
2505 PR c/29116
2506 PR c/31871
2507 PR c/35198
2508 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2509 void_type_node.
2510 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2511 contained expression.
2512 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2513 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2514 conditional expressions for C.
2515 (decl_constant_value_for_optimization): Move from
2516 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2517 whether optimizing and that the expression is a VAR_DECL not of
2518 array type instead of doing such checks in the caller. Do not
2519 check pedantic. Call gcc_unreachable for C++.
2520 * c-common.def (C_MAYBE_CONST_EXPR): New.
2521 * c-common.h (c_fully_fold, c_save_expr,
2522 decl_constant_value_for_optimization): New prototypes.
2523 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2524 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2525 EXPR_INT_CONST_OPERANDS): Define.
2526 * c-convert.c (convert): Strip nops from expression.
2527 * c-decl.c (groktypename): Take extra parameters expr and
2528 expr_const_operands. Update call to grokdeclarator.
2529 (start_decl): Update call to grokdeclarator. Add statement for
2530 expressions used in type of decl.
2531 (grokparm): Update call to grokdeclarator.
2532 (push_parm_decl): Update call to grokdeclarator.
2533 (build_compound_literal): Add parameter non_const and build a
2534 C_MAYBE_COSNT_EXPR if applicable.
2535 (grokdeclarator): Take extra parameters expr and
2536 expr_const_operands. Track expressions used in declaration
2537 specifiers and declarators. Fold array sizes and track whether
2538 they are constant expressions and whether they are integer
2539 constant expressions.
2540 (parser_xref_tag): Set expr and expr_const_operands fields in
2541 return value.
2542 (grokfield): Update call to grokdeclarator.
2543 (start_function): Update call to grokdeclarator.
2544 (build_null_declspecs): Set expr and expr_const_operands fields in
2545 return value.
2546 (declspecs_add_type): Handle expressions in typeof specifiers.
2547 * c-parser.c (c_parser_declspecs): Set expr and
2548 expr_const_operands fields for declaration specifiers.
2549 (c_parser_enum_specifier): Likewise.
2550 (c_parser_struct_or_union_specifier): Likewise.
2551 (c_parser_typeof_specifier): Likewise. Update call to
2552 groktypename. Fold expression as needed. Return expressions with
2553 type instead of adding statements.
2554 (c_parser_attributes): Update calls to c_parser_expr_list.
2555 (c_parser_statement_after_labels): Fold expression before passing
2556 to objc_build_throw_stmt.
2557 (c_parser_condition): Fold expression.
2558 (c_parser_asm_operands): Fold expression.
2559 (c_parser_conditional_expression): Use c_save_expr. Update call
2560 to build_conditional_expr.
2561 (c_parser_alignof_expression): Update call to groktypename.
2562 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2563 original_code. Fold expression argument of va_arg. Create
2564 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2565 argument to va_arg. Update calls to groktypename. Fold array
2566 index for offsetof. Verify that first argument to
2567 __builtin_choose_expr has integer type.
2568 (c_parser_postfix_expression_after_paren_type): Update calls to
2569 groktypename and build_compound_literal. Handle expressions with
2570 side effects in type name.
2571 (c_parser_postfix_expression_after_primary): Update call to
2572 c_parser_expr_list. Set original_code for calls to
2573 __builtin_constant_p.
2574 (c_parser_expr_list): Take extra parameter fold_p. Fold
2575 expressions if requested.
2576 (c_parser_objc_type_name): Update call to groktypename.
2577 (c_parser_objc_synchronized_statement): Fold expression.
2578 (c_parser_objc_receiver): Fold expression.
2579 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2580 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2581 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2582 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2583 (struct c_typespec): Add elements expr and expr_const_operands.
2584 (struct c_declspecs): Add elements expr and expr_const_operands.
2585 (groktypename, build_conditional_expr, build_compound_literal):
2586 Update prototypes.
2587 (in_late_binary_op): Declare.
2588 * c-typeck.c (note_integer_operands): New function.
2589 (in_late_binary_op): New variable.
2590 (decl_constant_value_for_broken_optimization): Move to c-common.c
2591 and rename to decl_constant_value_for_optimization.
2592 (default_function_array_conversion): Do not strip nops.
2593 (default_conversion): Do not call
2594 decl_constant_value_for_broken_optimization.
2595 (build_array_ref): Do not fold result.
2596 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2597 result when operand is a VLA.
2598 (c_expr_sizeof_type): Update call to groktypename. Handle
2599 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2600 result when operand names a VLA type.
2601 (build_function_call): Update call to build_compound_literal.
2602 Only fold result for calls to __builtin_* functions. Strip
2603 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2604 the function designator.
2605 (convert_arguments): Fold arguments. Update call to
2606 convert_for_assignment.
2607 (build_unary_op): Handle increment and decrement of
2608 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2609 decrement earlier. Fold operand of increment and decrement.
2610 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2611 built for integer operand. Wrap returns that are INTEGER_CSTs
2612 without being integer constant expressions or that have integer
2613 constant operands without being INTEGER_CSTs.
2614 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2615 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2616 result is an integer constant expression or can be used in
2617 unevaluated parts of one and avoid folding and wrap as
2618 appropriate. Fold operands before possibly doing -Wsign-compare
2619 warnings.
2620 (build_compound_expr): Wrap result for C99 if operands can be used
2621 in integer constant expressions.
2622 (build_c_cast): Update call to digest_init. Do not ignore
2623 overflow from casting floating-point constants to integers. Wrap
2624 results that could be confused with integer constant expressions,
2625 null pointer constants or floating-point constants.
2626 (c_cast_expr): Update call to groktypename. Handle expressions
2627 included in type name.
2628 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2629 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2630 Update calls to convert_for_assignment.
2631 (convert_for_assignment): Take new parameter
2632 null_pointer_constant. Do not strip nops or call
2633 decl_constant_value_for_broken_optimization. Set
2634 in_late_binary_op for conversions to boolean.
2635 (store_init_value): Update call to digest_init.
2636 (digest_init): Take new parameter null_pointer_constant. Do not
2637 call decl_constant_value_for_broken_optimization. pedwarn for
2638 initializers not constant expressions. Update calls to
2639 convert_for_assignment.
2640 (constructor_nonconst): New.
2641 (struct constructor_stack): Add nonconst element.
2642 (really_start_incremental_init, push_init_level, pop_init_level):
2643 Handle constructor_nonconst and nonconst element.
2644 (set_init_index): Call constant_expression_warning for array
2645 designators.
2646 (output_init_element): Fold value. Set constructor_nonconst as
2647 applicable. pedwarn for initializers not constant expressions.
2648 Update call to digest_init. Call constant_expression_warning
2649 where constant initializers are required.
2650 (process_init_element): Use c_save_expr.
2651 (c_finish_goto_ptr): Fold expression.
2652 (c_finish_return): Fold return value. Update call to
2653 convert_for_assignment.
2654 (c_start_case): Fold switch expression.
2655 (c_process_expr_stmt): Fold expression.
2656 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2657 ensure statement expression is not evaluated in constant expression.
2658 (build_binary_op): Track whether results are integer constant
2659 expressions or may occur in such, disable folding and wrap results
2660 as applicable. Fold operands for -Wsign-compare warnings unless
2661 in_late_binary_op.
2662 (c_objc_common_truthvalue_conversion): Handle results folded to
2663 integer constants that are not integer constant expressions.
2664 * doc/extend.texi: Document when typeof operands are evaluated,
2665 that condition of __builtin_choose_expr is an integer constant
2666 expression, and more about use of __builtin_constant_p in
2667 initializers.
2669 2009-03-29 Richard Guenther <rguenther@suse.de>
2671 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2672 propagate addresses of array references.
2674 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2676 * regmove.c (perhaps_ends_bb_p): Remove.
2677 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2678 from INSN and check that the main loop stays within that basic block.
2679 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2680 (regmove_forward_pass): Split out from regmove_optimize. Use
2681 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2682 (regmove_backward_pass): Split out from regmove_optimize. Use
2683 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2684 (regmove_optimize): Simplify.
2686 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2688 PR target/39545
2689 * config/i386/i386.c (classify_argument): Ignore flexible array
2690 member in struct and warn ABI change.
2692 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2694 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2696 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2697 (ix86_adjust_cost): Updated.
2699 2009-03-29 Jan Hubicka <jh@suse.cz>
2701 PR middle-end/28850
2702 * tree-pass.h (pass_cleanup_eh): New function.
2703 (remove_unreachable_regions): Break code handling RTL
2704 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2705 that can not be reached by runtime.
2706 (can_be_reached_by_runtime): New function.
2707 (label_to_region_map): New function.
2708 (num_eh_regions): New function.
2709 (rtl_remove_unreachable_regions): New function.
2710 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2711 (remove_eh_region): New function.
2712 * except.h: Include sbitmap and vecprim.
2713 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2714 num_eh_regions): Declare.
2715 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2716 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2717 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2718 (tree_empty_eh_handler_p): New function.
2719 (cleanup_empty_eh): New function.
2720 (cleanup_eh): New function.
2721 (pass_cleanup_eh): New function.
2723 2009-03-29 Jan Hubicka <jh@suse.cz>
2725 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2726 for removed regions.
2728 2009-03-29 Jan Hubicka <jh@suse.cz>
2730 * except.c (dump_eh_tree): Dump all datastructures.
2732 2009-03-29 Jan Hubicka <jh@suse.cz>
2734 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2735 (duplicate_eh_regions_1): Likewise.
2736 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2737 vector; call EH verification.
2738 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2739 Be ready for region being removed.
2741 2009-03-29 Jan Hubicka <jh@suse.cz>
2743 * bitmap.c (bitmap_last_set_bit): New function.
2744 * bitmap.h (bitmap_last_set_bit): Declare.
2746 2009-03-29 David Ayers <ayers@fsfe.org>
2748 PR objc/27377
2749 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2750 by calling objc_compare_types and surpress warnings about
2751 incompatible C pointers that are compatible ObjC pointers.
2753 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2755 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2756 call initialize_inline_failed.
2757 (initialize_inline_failed): Move it from here ...
2758 * cgraph.c (initialize_inline_failed): ... to here.
2759 (cgraph_create_edge): Call initialize_inline_failed rather than
2760 setting inline_failed directly.
2762 2009-03-29 Ben Elliston <bje@au.ibm.com>
2764 PR target/32542
2765 * sysv4.opt (msdata): Improve comment.
2766 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2767 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2769 2009-03-29 Ben Elliston <bje@au.ibm.com>
2771 PR target/30451
2772 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2773 load and store attributes.
2775 2009-03-29 Ben Elliston <bje@au.ibm.com>
2777 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2778 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2779 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2780 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2781 __builtin_infq and __builtin_huge_valq.
2783 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2785 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2786 atmega8m1 devices.
2787 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2788 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2790 2009-03-28 Xinliang David Li <davidxl@google.com>
2792 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2793 (do_dbg_cnt): New function.
2795 2009-03-28 Jan Hubicka <jh@suse.cz>
2797 Merge from pretty-ipa:
2799 2009-03-27 Jan Hubicka <jh@suse.cz>
2801 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2802 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2803 * passes.c (function_called_by_processed_nodes_p): New.
2804 * ipa-pure-const.c (check_call): Fix handling of operands.
2805 (analyze_function): Dump debug output for skipped bodies.
2806 (local_pure_const): Use function_called_by_processed_nodes_p.
2807 * dwarf2out.c (reference_to_unused): Use output.
2808 * passes.c (do_per_function_toporder): Likewise.
2810 2008-11-12 Jan Hubicka <jh@suse.cz>
2812 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2813 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2814 state_set_in_source enum
2815 (check_decl): Ignore memory tags; do not set fake looping flags;
2816 dump diagnostics.
2817 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2818 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2819 (check_call, analyze_function): Rewrite.
2820 (check_stmt): New.
2821 (add_new_function): Update call of analyze_function.
2822 (generate_summary): Add call of analyze_function.
2823 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2824 (local_pure_const): New function.
2825 (pass_local_pure_const): New pass.
2826 * ipa-inline.c (inline_transform): Set after_inlining.
2827 * tree-eh.c (stmt_can_throw_external): New.
2828 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2829 work with aliasing built.
2830 * tree-flow.h (stmt_can_throw_external): New.
2831 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2832 and local pure/const pass in early and late optimization queue.
2834 2009-03-28 Martin Jambor <mjambor@suse.cz>
2836 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2837 allow_func_align.
2838 (fold_binary): Allow function decl aligment consideration is the
2839 second argument is integer constant one.
2840 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2841 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2842 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2844 2009-03-28 Jan Hubicka <jh@suse.cz>
2846 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2847 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2848 * function.h (rtl_data): Add nothrow flag.
2849 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2850 set DECL_NOTHROW for AVAILABLE functions.
2852 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2854 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2855 following vector keyword has expansion starting with pixel or bool
2856 keyword, expand vector to __vector and pixel or bool to __pixel or
2857 __bool.
2859 PR c++/39554
2860 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2861 warn_if_disallowed_function_p): Removed.
2862 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2863 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2864 warning_if_disallowed_function_p.
2865 * flags.h (warn_if_disallowed_function_p,
2866 warn_disallowed_functions): Removed.
2867 * common.opt (Wdisallowed-function-list=): Removed.
2868 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2870 2009-03-28 Richard Guenther <rguenther@suse.de>
2872 PR tree-optimization/38723
2873 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2874 the entry block.
2876 2009-03-28 Jan Hubicka <jh@suse.cz>
2878 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2879 test introduced by my previous patch.
2881 2009-03-28 Richard Guenther <rguenther@suse.de>
2883 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2884 the PHIs value undefined.
2886 2009-03-28 Jan Hubicka <jh@suse.cz>
2888 * tree-pass.h (pass_fixup_cfg): New pass.
2889 * ipa-inline.c (inline_transform): Set
2890 always_inline_functions_inlined/after_inlining.
2891 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2892 (pass_fixup_cfg): New pass.
2893 * passes.c (init_optimization_passes): Add fixup_cfg.
2895 2009-03-28 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/38458
2898 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2899 argument use the arguments copy-of value.
2901 2009-03-28 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/38180
2904 * tree-ssa-ccp.c (get_default_value): Simplify.
2905 (likely_value): Likewise.
2906 (surely_varying_stmt_p): Properly handle VOP case.
2907 (ccp_initialize): Likewise.
2908 (ccp_fold): Handle propagating through *&.
2909 (fold_const_aggregate_ref): Also handle decls.
2911 2009-03-28 Jan Hubicka <jh@suse.cz>
2913 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2914 * cgraph.h (cgraph_node): Likewise.
2915 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2916 (cgraph_reset_node): Use process flag.
2917 (cgraph_mark_functions_to_output): Likewise.
2918 (cgraph_expand_function): Likewise.
2919 (cgraph_expand_all_functions): Likewise.
2920 (cgraph_output_in_order): Likewise.
2921 * dwarf2out.c (reference_to_unused): Likewise.
2922 * passes.c do_per_function_toporder): Likewise.
2924 2009-03-28 Jan Hubicka <jh@suse.cz>
2926 Bring from lto-branch:
2928 2008-09-03 Doug Kwan <dougkwan@google.com>
2930 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2931 enums instead of reason strings.
2932 * cgraph.c (cgraph_create_edge): Same.
2933 (cgraph_inline_failed_string): New function.
2934 * cgraph.h (cgraph_inline_failed_t): New enum type.
2935 (cgraph_inline_failed_string): New prototype.
2936 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2937 char pointer to cgraph_inline_failed_t.
2938 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2939 (cgraph_default_inline_p): Ditto.
2940 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2941 to cgraph_inline_failed_t pointer.
2942 * cif-code.def: New file.
2943 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2944 reason string.
2945 (cgraph_check_inline_limits): Change type of REASON to pointer to
2946 cgraph_inline_failed_t. Replace reason strings with enums.
2947 (cgraph_default_inline_p): Ditto.
2948 (cgraph_recursive_inlining_p): Ditto.
2949 (update_caller_keys): Change type of FAILED_REASON to
2950 cgraph_inline_failed_t.
2951 (cgraph_set_inline_failed): Change type of REASON to pointer to
2952 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2953 convert enums to strings for text output.
2954 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2955 to be of type cgraph_inline_failed_t. Replace reason strings with
2956 enums. Call cgraph_inline_failed_string to covert enums
2957 to strings for text output.
2958 (cgraph_decide_inlining): Replace reason strings with enums.
2959 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2960 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2961 for text output.
2962 * tree-inline.c (expand_call_inline): Change type of REASON
2963 to cgraph_inline_failed_t. Replace reason strings with enums.
2964 Call cgraph_inline_failed_string for text output.
2965 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2966 (cgraph.o): Ditto.
2968 2009-03-28 Jan Hubicka <jh@suse.cz>
2970 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2971 cgraph_clone_node): Remove master clone handling.
2972 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2973 * cgraph.h (master_clone): Remove.
2974 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2975 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2976 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2978 2009-03-28 Jan Hubicka <jh@suse.cz>
2980 * cgraph.c (cgraph_function_body_availability): Functions declared
2981 inline are always safe to assume that it is not going to be replaced.
2983 2009-03-28 Richard Guenther <rguenther@suse.de>
2985 PR tree-optimization/38513
2986 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2987 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2988 EXC_PTR_EXPR and FILTER_EXPR.
2989 (get_ref_from_reference_ops): Likewise.
2991 2009-03-28 Richard Guenther <rguenther@suse.de>
2993 PR tree-optimization/38968
2994 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2995 Use FLOOR_MOD_EXPR to compute misalignment.
2997 2009-03-28 Richard Guenther <rguenther@suse.de>
2999 PR tree-optimization/37795
3000 * tree.h (combine_comparisons): Declare.
3001 * fold-const.c (combine_comparisons): Export.
3002 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3003 comparisons.
3004 (ifcombine_iforif): Use combine_comparisons.
3006 2009-03-28 Jan Hubicka <jh@suse.cz>
3008 * tree-eh.c (inlinable_call_p): New function.
3009 (make_eh_edges): Use it.
3010 (verify_eh_edges): Use it.
3011 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3012 * except.c (reachable_next_level): Add inlinable_function argument
3013 (sjlj_find_directly_reachable_regions): Update.
3014 (add_reachable_handler): Do not set saw_any_handlers.
3015 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3016 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3017 Add new inlinable call parameter.
3018 (can_throw_internal, can_throw_external): Update.
3019 * except.h (can_throw_internal_1, can_throw_external_1,
3020 foreach_reachable_handler): Update declaration.
3022 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3024 * config/arm/t-arm-coff, config/h8300/coff.h,
3025 config/i386/i386-aout.h, config/i386/i386-coff.h,
3026 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3027 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3028 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3029 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3030 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3031 sys-types.h: Remove.
3032 * Makefile.in: Remove protoize and fixproto support and references
3033 in comments.
3034 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3035 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3036 Remove.
3037 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3038 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3039 unprotoize$(exeext).
3040 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3041 (.PHONY): Don't depend on proto.
3042 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3043 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3044 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3045 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3046 build/gen-protos.o, build/scan.o, xsys-protos.h,
3047 build/fix-header$(build_exeext), build/fix-header.o,
3048 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3049 stmp-install-fixproto): Remove.
3050 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3051 SYSCALLS.c or fixproto files.
3052 (install-common): Don't install protoize.
3053 (install-headers-tar, install-headers-cpio, install-headers-cp):
3054 Don't depend on $(STMP_FIXPROTO).
3055 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3056 install fixproto files or write out fixproto settings.
3057 (uninstall): Don't uninstall protoize.
3058 * config.gcc (use_fixproto): Remove.
3059 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3060 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3061 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3062 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3063 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3064 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3065 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3066 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3067 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3068 * config/t-vxworks (STMP_FIXPROTO): Remove.
3069 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3070 STMP_FIXPROTO): Remove.
3071 * config.in, configure: Regenerate.
3072 * crtstuff.c (gid_t, uid_t): Don't undefine.
3073 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3074 (arm-*-coff, arm-*-aout: Remove target entries.
3075 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3076 Remove mention of AIX 4.1.
3077 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3078 * doc/invoke.texi (Running Protoize): Remove.
3079 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3080 (Protoize Caveats): Remove.
3081 * tsystem.h: Update comments on headers assumed to exist.
3083 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3085 * genautomata.c: Add a new year to the copyright. Add a new
3086 reference.
3087 (struct insn_reserv_decl): Add comments for member bypass_list.
3088 (find_bypass): Remove.
3089 (insert_bypass): New.
3090 (process_decls): Use insert_bypass.
3091 (output_internal_insn_latency_func): Output all bypasses with the
3092 same input insn in one switch case.
3094 * rtl.def (define_bypass): Describe bypass choice.
3095 * doc/md.texi (define_bypass): Ditto.
3097 2009-03-27 Richard Guenther <rguenther@suse.de>
3099 * gimplify.c (mark_addressable): Export.
3100 * tree-flow.h (mark_addressable): Declare.
3101 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3102 * tree-ssa.c (verify_phi_args): Verify that address taken
3103 variables have TREE_ADDRESSABLE set.
3105 2009-03-27 Richard Guenther <rguenther@suse.de>
3107 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3108 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3109 Do not mark decls TREE_ADDRESSABLE.
3110 (build_fold_addr_expr): Adjust.
3111 (fold_addr_expr): Remove.
3112 (fold_unary): Use build_fold_addr_expr.
3113 (fold_comparison): Likewise.
3114 (split_address_to_core_and_offset): Likewise.
3115 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3116 TREE_ADDRESSABLE.
3117 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3118 (gimplify_modify_expr_to_memcpy): Mark source and destination
3119 addressable.
3120 * omp-low.c (create_omp_child_function): Mark the object decl
3121 TREE_ADDRESSABLE.
3122 (lower_rec_input_clauses): Mark the var we take the address of
3123 TREE_ADDRESSABLE.
3124 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3126 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3128 PR middle-end/39315
3129 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3130 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3132 2009-03-27 Richard Guenther <rguenther@suse.de>
3134 PR tree-optimization/39120
3135 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3136 constraints.
3137 (handle_lhs_call): Process return constraints. Add escape
3138 constraints if necessary.
3139 (handle_const_call): Fill out return constraints. Make nested
3140 case more precise. Avoid consttmp if possible.
3141 (handle_pure_call): Fill out return constraints. Avoid
3142 callused if possible.
3143 (find_func_aliases): Simplify call handling.
3145 2009-03-27 Richard Guenther <rguenther@suse.de>
3147 PR tree-optimization/39120
3148 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3149 as a representative.
3150 (solve_graph): Do propagate CALLUSED.
3151 (handle_pure_call): Use a scalar constraint from CALLUSED for
3152 the return value.
3153 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3154 solutions.
3156 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3158 PR c/39323
3159 * c-common.c (handle_aligned_attribute): Properly check alignment
3160 overflow. Use (1U << i) instead of (1 << i).
3162 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3164 * expr.h (get_mem_align_offset): Updated.
3166 * tree.h (tree_decl_common): Change align to "unsigned int" and
3167 move it before pointer_alias_set.
3169 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3170 Jakub Jelinek <jakub@redhat.com>
3172 PR target/38034
3173 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3174 gr_register_operand with gr_reg_or_0_operand.
3175 (cmpxchg_rel_di): Likewise.
3176 (sync_lock_test_and_set<mode>): Likewise.
3178 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3180 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3181 (true_regnum): Likewise.
3183 * rtlanal.c (subreg_info): Moved to ...
3184 * rtl.h (subreg_info): Here. New.
3185 (subreg_get_info): New.
3187 * rtlanal.c (subreg_get_info): Make it extern.
3189 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3191 PR target/39472
3192 * config/i386/i386.c (ix86_abi): New.
3193 (override_options): Handle -mabi=.
3194 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3195 (ix86_call_abi_override): Likewise.
3196 (init_cumulative_args): Likewise.
3197 (function_arg_advance): Likewise.
3198 (function_arg_64): Likewise.
3199 (function_arg): Likewise.
3200 (ix86_pass_by_reference): Likewise.
3201 (ix86_function_value_regno_p): Likewise.
3202 (ix86_build_builtin_va_list_abi): Likewise.
3203 (setup_incoming_varargs_64): Likewise.
3204 (is_va_list_char_pointer): Likewise.
3205 (ix86_init_machine_status): Likewise.
3206 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3207 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3208 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3209 (ix86_function_abi): Make it static and return enum calling_abi.
3210 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3211 with ix86_abi.
3212 (ix86_fn_abi_va_list): Updated.
3214 * config/i386/i386.h (ix86_abi): New.
3215 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3216 (CONDITIONAL_REGISTER_USAGE): Likewise.
3217 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3218 (machine_function): Likewise.
3220 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3221 with ix86_abi.
3222 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3223 (STACK_BOUNDARY): Likewise.
3224 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3226 * config/i386/i386.opt (mabi=): New.
3228 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3229 return enum calling_abi.
3230 (ix86_function_type_abi): Likewise.
3231 (ix86_function_abi): Removed.
3233 * doc/invoke.texi: Document -mabi= option for x86.
3235 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3237 * builtins.c (real_dconstp): Delete.
3238 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3240 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3241 Jakub Jelinek <jakub@redhat.com>
3243 PR debug/37959
3244 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3245 (gen_subprogram_die): When a function is explicit, generate the
3246 DW_AT_explicit attribute.
3247 * langhooks.h (struct lang_hooks_for_decls): Add
3248 function_decl_explicit_p langhook.
3249 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3250 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3252 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3254 * builtins.c (fold_builtin_memory_op): Optimize memmove
3255 into memcpy if we can prove source and destination don't overlap.
3257 * tree-inline.c: Include gt-tree-inline.h.
3258 (clone_fn_id_num): New variable.
3259 (clone_function_name): New function.
3260 (tree_function_versioning): Use it.
3261 * Makefile.in (GTFILES): Add tree-inline.c.
3263 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3265 * BASE-VER: Change to 4.5.0.
3267 2009-03-27 Xinliang David Li <davidxl@google.com>
3269 PR tree-optimization/39557
3270 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3272 2009-03-27 Xinliang David Li <davidxl@google.com>
3274 PR tree-optimization/39548
3275 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3276 candidate check.
3278 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3280 * c-common.c (pointer_int_sum): Use %wd on return from
3281 tree_low_cst.
3283 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3285 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3286 on return from tree_low_cst.
3288 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3290 PR c++/36799
3291 * ginclude/stdarg.h (va_copy): Define also for
3292 __GXX_EXPERIMENTAL_CXX0X__.
3294 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3296 PR c++/35652
3297 * builtins.h (c_strlen): Do not warn here.
3298 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3299 * c-common.c (pointer_int_sum): Take an explicit location.
3300 Warn about offsets out of bounds.
3301 * c-common.h (pointer_int_sum): Adjust declaration.
3303 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3305 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3306 markup glitch.
3308 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3310 PR c++/39554
3311 * opts.c (warn_if_disallowed_function_p): Don't assume
3312 get_callee_fndecl must return non-NULL.
3314 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3316 PR rtl-optimization/39522
3317 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3318 when reg_reloaded_valid is set.
3320 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3322 * config/spu/divv2df3.c: New file.
3323 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3324 (DPBIT_FUNCS): Filter out _div_df.
3326 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3328 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3329 a jump insn, count that jump in the distance to the loop start.
3331 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3333 PR target/39523
3334 * config/sh/sh.c (calc_live_regs): Fix condition for global
3335 registers except PIC_OFFSET_TABLE_REGNUM.
3337 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3339 PR/39518
3340 * doc/invoke.texi (-mconsole): New.
3341 (-mcygwin): New.
3342 (-mno-cygwin): New.
3343 (-mdll): New.
3344 (-mnop-fun-dllimport): New.
3345 (-mthread): New.
3346 (-mwin32): New.
3347 (-mwindows): New.
3348 (sub section "i386 and x86-64 Windows Options"): New.
3350 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3352 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3353 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3355 2009-03-25 Richard Guenther <rguenther@suse.de>
3357 PR middle-end/39497
3358 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3359 of -Wno-error.
3361 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3363 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3364 neither of haifa/selective schedulers are working.
3366 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3368 * doc/invoke.texi (Debugging Options): Fix description of
3369 -fno-merge-debug-strings.
3371 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3373 * config/cris/libgcc.ver: New version-script.
3374 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3376 * configure.ac <GAS features, nop mnemonic>: Add pattern
3377 crisv32-*-* for "nop".
3378 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3379 * configure: Regenerate.
3381 2009-03-24 Ira Rosen <irar@il.ibm.com>
3383 PR tree-optimization/39529
3384 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3385 mark_sym_for_renaming for the tag copied to the new vector
3386 pointer.
3388 2009-03-24 Arthur Loiret <aloiret@debian.org>
3390 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3391 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3392 EXTRA_SPEC_FUNCTIONS.
3393 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3394 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3395 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3396 -march and -mtune options.
3398 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3400 * config/m68k/t-rtems: Add m5329 multilib.
3402 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3403 Jakub Jelinek <jakub@redhat.com>
3405 PR debug/39524
3406 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3407 nodes.
3409 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3411 PR c/39495
3412 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3413 instead of c_parser_expression_conv, if original_code isn't one of the
3414 4 allowed comparison codes, fail.
3416 2009-03-23 Richard Guenther <rguenther@suse.de>
3418 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3419 * tree.h (struct tree_type): Likewise.
3420 * reload.h (struct insn_chain): Likewise.
3421 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3422 * function.h (struct function): Likewise.
3423 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3425 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3427 PR tree-optimization/39516
3428 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3430 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3432 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3433 should be set true if BITS_PER_WORD of target is bigger than 32
3435 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3437 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3438 Translate -B-options to -rpath-link. Correct existing
3439 rpath-link and conditionalize on !nostdlib.
3441 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3443 * doc/extend.texi (Function Attributes, Variable Attributes):
3444 Fix typos.
3445 * doc/invoke.texi (Debugging Options, Optimize Options)
3446 (i386 and x86-64 Options, MCore Options): Likewise.
3448 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3450 PR debug/37890
3451 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3452 it for block local namespace aliases.
3453 (gen_decl_die): Pass context_die to gen_namespace_die.
3455 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3457 PR c/39495
3458 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3459 minimum or maximum value.
3461 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3463 * reginfo.c (globalize_reg): Recompute derived reg sets.
3465 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3467 PR target/39063
3468 * libgcc2.c (mprotect): Do not use signed arguments for
3469 VirtualProtect, use DWORD arguments. Also fix the 'may
3470 be used uninitialized' warning for the np variable.
3472 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3474 PR target/39496
3475 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3476 functions using regparm calling conventions when not optimizing.
3477 (ix86_function_sseregparm): Similarly for sseregparm calling
3478 conventions.
3480 2009-03-19 Li Feng <nemokingdom@gmail.com>
3482 PR middle-end/39500
3483 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3484 dependence if the first conflict is after niter iterations.
3486 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3488 PR middle-end/38609
3489 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3490 functions with dynamic stack-pointer adjustments.
3492 2009-03-19 Ben Elliston <bje@au.ibm.com>
3494 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3495 option; change to -msdata=data.
3497 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3499 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3500 and -fopenmp.
3502 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3504 PR target/35180
3505 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3507 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3509 * doc/invoke.texi (Code Gen Options): Expand discussion of
3510 -fno-common.
3512 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3514 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3515 * matrix-reorg.c (struct matrix_info): Likewise.
3516 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3517 * rtl.h (struct mem_attrs): Likewise.
3518 * df.h (struct df): Likewise.
3519 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3520 * ira-int.h (struct ira_allocno): Likewise.
3521 * df-scan.c (struct df_collection_rec): Likewise.
3522 * ira.c (struct equivalence): Likewise.
3523 * function.c (struct temp_slot): Likewise.
3524 * cfgloop.h (struct loop): Likewise.
3526 PR debug/39485
3527 * function.c (use_register_for_decl): When not optimizing, disregard
3528 register keyword for variables with types containing methods.
3530 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3532 PR middle-end/39447
3533 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3534 (is_simple_operand): Call contains_component_ref_p before calling data
3535 reference analysis that would fail on COMPONENT_REFs.
3537 * tree-vrp.c (search_for_addr_array): Fix formatting.
3539 2009-03-18 Richard Guenther <rguenther@suse.de>
3541 * tree-vect-transform.c (vect_loop_versioning): Fold the
3542 generated comparisons.
3543 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3544 (slpeel_tree_peel_loop_to_edge): Likewise.
3546 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3548 PR middle-end/37805
3549 * opts.c (print_specific_help): In addition to `undocumented',
3550 accept `separate' and `joined' flags if passed alone. Describe
3551 output by the first matched one of those.
3552 (common_handle_option): Skip over empty strings.
3553 * gcc.c (display_help): Fix help string for `--help='.
3554 * doc/invoke.texi (Option Summary, Overall Options): With
3555 `--help=', classes and qualifiers can both be repeated, but
3556 only the latter can be negated. One should not pass only
3557 negated qualifiers. Fix markup and examples.
3559 Revert
3560 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3561 PR middle-end/37805
3562 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3563 and -fhelp=separate.
3565 2009-03-17 Jing Yu <jingyu@google.com>
3567 PR middle-end/39378
3568 * function.h (struct rtl_data): Move is_thunk from here...
3569 (struct function): ...to here.
3570 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3571 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3572 cfun.
3573 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3574 cfun.
3575 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3576 (alpha_output_function_end_prologue): Likewise.
3577 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3578 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3579 (rs6000_output_function_epilogue): Likewise.
3580 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3582 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3584 PR target/39482
3585 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3586 from different units in a single alternative.
3587 (*truncdfsf_i387): Ditto.
3588 (*truncxfsf2_mixed): Ditto.
3589 (*truncxfdf2_mixed): Ditto.
3591 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3593 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3594 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3596 PR debug/39474
3597 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3598 unused non-artificial variables when not optimizing.
3600 PR debug/39471
3601 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3602 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3603 NAMESPACE_DECL in its DECL_INITIAL.
3605 PR middle-end/39443
3606 * optabs.c (set_user_assembler_libfunc): New function.
3607 * expr.h (set_user_assembler_libfunc): New prototype.
3608 * c-common.c: Include libfuncs.h.
3609 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3610 for memcmp, memset, memcpy, memmove and abort.
3611 * Makefile.in (c-common.o): Depend on libfuncs.h.
3613 PR debug/39412
3614 * dwarf2out.c (gen_inlined_enumeration_type_die,
3615 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3616 gen_tagged_type_instantiation_die): Removed.
3617 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3618 do nothing.
3620 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3622 PR testsuite/38526
3623 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3624 its use.
3625 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3626 (check-parallel-%): Ditto.
3627 (check-consistency): Ditto.
3629 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3631 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3632 local variable rhs by NULL_TREE.
3634 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3636 PR target/39477
3637 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3639 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3641 PR target/39476
3642 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3644 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3646 PR target/39473
3647 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3648 for ms->sysv ABI calls only in 64bit mode.
3650 * config/i386/i386.md (untyped_call): Support 32bit.
3652 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3654 * doc/extend.texi: Replace x86_65 with x86_64.
3656 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3658 PR tree-optimization/39455
3659 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3660 mismatches for POINTER_TYPE_P (type).
3661 (number_of_iterations_le): Likewise.
3663 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3665 * config/picochip/picochip.c: Removed profiling support.
3666 * config/picochip/picochip.md: Removed profiling instruction.
3667 * config/picochip/picochip.h: Removed profiling builtin.
3669 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3671 * doc/install.texi (--with-host-libstdcxx): Document.
3673 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3675 PR target/34299
3676 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3677 generate a warning if the function name does not begin with
3678 "__vector" and the function has either the 'signal' or 'interrupt'
3679 attribute, from here to ...
3680 (avr_declare_function_name): ...here. New function.
3681 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3682 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3684 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3686 PR bootstrap/39454
3687 * cse.c (fold_rtx): Don't modify original const_arg1 when
3688 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3689 separate variable instead.
3690 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3691 from out of range shift counts.
3692 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3694 2008-03-13 Catherine Moore <clm@codesourcery.com>
3696 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3697 diagnostic.h with $(DIAGNOSTIC_H).
3699 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3701 PR target/39431
3702 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3703 predicate.
3704 * config/i386/sync.md (sync_compare_and_swap<mode>,
3705 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3706 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3707 into a register.
3708 (sync_double_compare_and_swapdi_pic,
3709 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3710 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3712 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3714 PR target/39445
3715 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3717 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3719 PR target/39327
3720 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3721 (avx_addsubv4df3): Likewise.
3722 (*avx_addsubv4sf3): Likewise.
3723 (sse3_addsubv4sf3): Likewise.
3725 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3727 PR target/38824
3728 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3730 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3732 PR debug/39432
3733 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3734 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3735 registers for allocnos created from user-defined variables.
3737 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3739 PR target/39181
3740 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3741 of non-integer mode as well.
3743 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3745 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3746 for functions for which the parameter types are unknown.
3748 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3750 PR target/39137
3751 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3752 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3753 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3754 * config/i386/i386.c (ix86_local_alignment): For
3755 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3756 long long variables on the stack to avoid dynamic realignment.
3757 Allow the first argument to be a decl rather than type.
3758 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3760 2009-03-11 Nick Clifton <nickc@redhat.com>
3762 PR target/5362
3763 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3764 options.
3765 Add description to mno-lsim option.
3766 * config/mcore/mcore.h: Remove comment about deprecated m4align
3767 option.
3768 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3769 * doc/invoke.texi: Add description of mno-lsim and
3770 mstack-increment options.
3772 * config/fr30/fr30.opt: Document the -mno-lsim option.
3773 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3774 and -mno-lsim options.
3776 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3778 * fold-const.c (fold_comparison): Only call fold_inf_compare
3779 if the mode supports infinities.
3781 2009-03-11 Jason Merrill <jason@redhat.com>
3783 PR debug/39086
3784 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3785 end already did. Notice GIMPLE_CALL modifications of the result.
3786 Don't copy debug information from an ignored decl or a decl from
3787 another function.
3789 2009-03-10 Richard Guenther <rguenther@suse.de>
3790 Nathan Froyd <froydnj@codesourcery.com>
3792 PR middle-end/37850
3793 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3794 (__divMODE3): Likewise.
3796 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3798 PR tree-optimization/39394
3799 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3800 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3802 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3804 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3805 inline asms for register asm ("") declarations.
3807 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3809 * fold-const.c (fold_unary): Fix comment.
3811 2009-03-07 Jan Hubicka <jh@suse.cz>
3813 PR target/39361
3814 * tree-inline.c (setup_one_parameter): Do replacement of const
3815 argument by constant in SSA form.
3817 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3819 PR middle-end/38028
3820 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3821 determine alignment passed to assign_stack_local.
3822 (assign_parms_unsplit_complex): Likewise.
3823 * except.c (sjlj_build_landing_pads): Likewise.
3825 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3827 PR middle-end/39360
3828 * tree-flow.h (add_referenced_var): Return bool instead of void.
3829 * tree-dfa.c (add_referenced_var): Return result of
3830 referenced_var_check_and_insert call.
3831 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3832 of referenced_var_check_and_insert.
3834 PR debug/39372
3835 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3836 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3837 DIE, don't emit it if abstract origin already has it.
3838 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3839 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3841 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3843 * genpreds.c (needs_variable): Fix parentheses at variable name
3844 detection.
3845 (write_tm_constrs_h): Indent generated code.
3847 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3849 * doc/extend.texi (Function Attributes): Add documentation
3850 for isr attributes.
3852 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3854 PR debug/39387
3855 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3856 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3858 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3860 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3861 the loop as bad.
3863 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3865 PR debug/39379
3866 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3867 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3869 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3871 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3872 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3873 constants instead of magic numbers.
3874 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3875 (QI_REG_P): Ditto.
3876 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3877 (x86_64_ms_abi_int_parameter_registers): Ditto.
3878 (x86_64_int_return_registers): Ditto.
3879 (ix86_maybe_switch_abi): Ditto.
3880 (ix86_expand_call): Ditto for clobbered_registers array.
3881 (ix86_hard_regno_mode_ok): Ditto.
3882 (x86_extended_QIreg_mentioned_p): Ditto.
3884 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3886 PR tree-optimization/39349
3887 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3889 * combine.c (gen_lowpart_for_combine): Use omode when generating
3890 clobber.
3892 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3894 PR rtl-optimization/39235
3895 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3897 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3899 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3901 2009-03-04 Richard Guenther <rguenther@suse.de>
3903 PR tree-optimization/39362
3904 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3905 that occur in abnormal PHIs should be varying.
3907 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3909 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3910 Extend comments.
3911 (simple_iv): Take loop as an argument instead of statement.
3912 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3913 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3914 to simple_iv.
3915 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3916 Ditto.
3917 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3918 * matrix-reorg.c (analyze_transpose): Ditto.
3919 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3920 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3921 * tree-predcom.c (ref_at_iteration): Ditto.
3922 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3924 2009-03-04 Richard Guenther <rguenther@suse.de>
3926 PR tree-optimization/39358
3927 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3928 escaped_id and callused_id.
3929 (solve_graph): Likewise.
3931 2009-03-04 Richard Guenther <rguenther@suse.de>
3933 PR tree-optimization/39339
3934 * tree-sra.c (try_instantiate_multiple_fields): Make it
3935 no longer ICE on the above.
3937 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3939 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3940 that fits within Pmode.
3942 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3944 PR middle-end/10109
3945 * tm.texi (LIBCALL_VALUE): Update description.
3947 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3949 PR middle-end/34443
3950 * doc/extend.texi (section): Update description.
3952 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3954 PR middle-end/39345
3955 * tree-inline.c (remapped_type): New.
3956 (can_be_nonlocal): Call remapped_type instead of remap_type.
3958 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3960 PR fortran/39354
3961 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3962 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3964 2009-03-03 Richard Guenther <rguenther@suse.de>
3966 PR middle-end/39272
3967 * tree.c (tree_nonartificial_location): New function.
3968 * tree.h (tree_nonartificial_location): Declare.
3969 * builtins.c (expand_builtin_memory_chk): Provide location
3970 of the call location for artificial function pieces.
3971 (maybe_emit_chk_warning): Likewise.
3972 (maybe_emit_sprintf_chk_warning): Likewise.
3973 (maybe_emit_free_warning): Likewise.
3974 * expr.c (expand_expr_real_1): Likewise.
3976 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3978 PR tree-optimization/39343
3979 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3980 COMPONENT_REF t has ARRAY_TYPE.
3982 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3984 PR middle-end/39335
3985 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3986 when the type precision of the induction variable should be
3987 larger than the type precision of nit.
3988 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3989 * graphite.c (graphite_loop_normal_form): Same.
3990 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3992 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3994 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3995 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3996 numbers to describe clobbered registers.
3997 (*call_value_0_rex64_ms_sysv): Ditto.
3998 * config/i386/mmx.md (mmx_emms): Ditto.
3999 (mmx_femms): Ditto.
4001 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4003 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4004 of ABI_64.
4006 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4008 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4009 (spu_section_type_flags): New function.
4011 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4013 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4014 reg_class_contents of FLOAT_REGS into a temporary.
4016 2009-03-02 Richard Guenther <rguenther@suse.de>
4017 Ira Rosen <irar@il.ibm.com>
4019 PR tree-optimization/39318
4020 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4021 information to the vectorized statement.
4023 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4025 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4026 variable. Use defined names instead of magic constants for REX SSE
4027 registers.
4029 2009-03-01 Richard Guenther <rguenther@suse.de>
4031 PR tree-optimization/39331
4032 * omp-low.c (lower_send_shared_vars): Do not receive new
4033 values for the reference of DECL_BY_REFERENCE parms or results.
4035 2009-03-01 Jan Hubicka <jh@suse.cz>
4037 PR debug/39267
4038 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4039 BLOCK_NONLOCALIZED_VAR): New macros.
4040 (tree_block): Add nonlocalized_vars.
4041 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4042 gen_decl_die): Add origin argument. Allow generation of die with
4043 origin at hand only.
4044 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4045 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4046 of gen_*.
4047 (gen_block_die): Fix checking for unused blocks.
4048 (process_scope_var): Break out from .... ; work with origins only.
4049 (decls_for_scope) ... here; process nonlocalized list.
4050 (dwarf2out_ignore_block): Look for nonlocalized vars.
4051 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4052 vars.
4053 (dump_scope_block): Dump them.
4054 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4055 (remap_block): Likewise.
4056 (can_be_nonlocal): New predicate.
4057 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4059 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4061 * configure: Regenerate.
4063 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4065 * optc-gen.awk: No need to duplicate option flags twice.
4066 Reuse help texts for duplicate options which do not have any.
4068 * gcc.c (display_help): Document --version.
4070 * gcc.c (main): If print_help_list and verbose_flag, ensure
4071 driver output comes before subprocess output.
4073 * optc-gen.awk: Assign all remaining fields to help string,
4074 space-separated, for multi-line help in *.opt.
4076 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4077 -Wno-pedantic-ms-format is for MinGW targets only.
4079 * doc/options.texi (Option file format): Fix bad indentation,
4080 restoring dropped sentence.
4082 2009-02-28 Jan Hubicka <jh@suse.cz>
4084 * tree-inline.c (tree_function_versioning): Output debug info.
4086 2009-02-28 Jan Hubicka <jh@suse.cz>
4088 PR debug/39267
4089 * tree-inline.c (setup_one_parameter): Do not copy propagate
4090 arguments when not optimizing.
4092 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4094 PR target/39327
4095 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4096 (avx_addsubv4df3): Likewise.
4097 (*avx_addsubv4sf3): Likewise.
4098 (sse3_addsubv4sf3): Likewise.
4099 (*avx_addsubv2df3): Likewise.
4100 (sse3_addsubv2df3): Likewise.
4101 (avx_unpckhps256): Correct item selectors.
4102 (avx_unpcklps256): Likewise.
4103 (avx_unpckhpd256): Likewise.
4104 (avx_unpcklpd256): Likewise.
4106 2009-02-28 Jan Hubicka <jh@suse.cz>
4108 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4109 static vars.
4110 (copy_arguments_for_versioning): If var is declared don't declare it.
4111 (tree_function_versioning): First setup substitutions and then copy
4112 args.
4114 2009-02-27 Jan Hubicka <jh@suse.cz>
4116 PR debug/39267
4117 * cgraph.h (varpool_output_debug_info): Remove.
4118 * cgraphunit.c (varpool_output_debug_info): Remove.
4119 * dwarf2out.c (deferred_locations_struct): New struct
4120 (deferred_locations): New type.
4121 (deferred_locations_list): New static var.
4122 (deffer_location): New function.
4123 (gen_variable_die): Use it.
4124 (decls_for_scope): Output info on local static vars.
4125 (dwarf2out_finish): Process deferred locations.
4126 * varpool.c (varpool_output_debug_info): Remove.
4128 2009-02-27 Jan Hubicka <jh@suse.cz>
4130 PR debug/39267
4131 * tree.h (TREE_PROTECTED): Fix comment.
4132 (BLOCK_HANDLER_BLOCK): Remove.
4133 (struct tree_block): Remove handler_block add body_block.
4134 (inlined_function_outer_scope_p): New.
4135 (is_body_block): Remove.
4136 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4137 * dwarf2out.c (is_inlined_entry_point): Remove.
4138 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4139 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4140 code.
4141 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4142 * gimplify.c (gimplify_expr): Gimplify body blocks.
4143 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4144 block with multiple subblocks.
4145 (dump_scope_block): Prettier output; dump more flags and info.
4146 (dump_scope_blocks): New.
4147 (remove_unused_locals): Use dump_scope_blocks.
4148 * tree-flow.h (dump_scope_blocks): Declare.
4149 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4150 * stmt.c (is_body_block): Remove.
4151 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4152 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4154 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4156 PR middle-end/39308
4157 * graphite.c (graphite_loop_normal_form): Do not call
4158 number_of_iterations_exit from a gcc_assert.
4160 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4162 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4163 jumps if COND is NULL.
4164 (find_cond_jump): New function.
4165 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4166 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4168 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4170 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4171 force_const_mem returns NULL_RTX.
4173 2009-02-26 Jan Hubicka <jh@suse.cz>
4175 PR debug/39267
4176 * cgraph.h (varpool_output_debug_info): Remove.
4177 * cgraphunit.c (varpool_output_debug_info): Remove.
4178 * dwarf2out.c (deferred_locations_struct): New struct
4179 (deferred_locations): New type.
4180 (deferred_locations_list): New static var.
4181 (deffer_location): New function.
4182 (gen_variable_die): Use it.
4183 (decls_for_scope): Output info on local static vars.
4184 (dwarf2out_finish): Process deferred locations.
4185 * varpool.c (varpool_output_debug_info): Remove.
4187 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4189 PR rtl-optimization/39241
4190 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4191 to subreg_offset_representable_p.
4193 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4195 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4196 execute function prototype. Get f and nregs from max_reg_num
4197 and get_insns. Remove the first backward pass as it's dead,
4198 guard the forward pass by flag_expensive_optimizations.
4199 (rest_of_handle_regmove): Delete.
4200 (pass_regmove): Replace it with regmove_optimize.
4202 2009-02-25 Martin Jambor <mjambor@suse.cz>
4204 PR tree-optimization/39259
4205 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4206 calls_alloca function flags.
4207 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4208 calls are detected.
4210 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4212 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4213 flags_set_1_rtx, flags_set_1_set): Delete.
4214 (regmove_optimize): Do not call mark_flags_life_zones.
4216 2009-02-24 Julian Brown <julian@codesourcery.com>
4218 PR target/35965
4219 * config/arm/arm.c (require_pic_register): Only set
4220 cfun->machine->pic_reg once per function.
4222 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4224 * doc/invoke.texi (Link Options): Document an easier way to pass
4225 options that take arguments to the GNU linker using -Xlinker and -Wl.
4227 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4229 PR target/33785
4230 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4232 2009-02-24 Richard Guenther <rguenther@suse.de>
4234 PR debug/39285
4235 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4237 2009-02-24 Richard Guenther <rguenther@suse.de>
4238 Zdenek Dvorak <ook@ucw.cz>
4240 PR tree-optimization/39233
4241 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4242 from converting them to a generic type.
4244 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4246 PR tree-optimization/39260
4247 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4248 contains a condition with a real type.
4249 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4251 2009-02-23 Jason Merrill <jason@redhat.com>
4253 PR c++/38880
4254 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4255 narrowing_initializer_constant_valid_p.
4256 (narrowing_initializer_constant_valid_p): Don't return
4257 null_pointer_node for adding a pointer to itself.
4259 2009-02-23 Jan Hubicka <jh@suse.cz>
4261 PR c/12245
4262 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4263 resizing.
4265 2009-02-23 Jan Hubicka <jh@suse.cz>
4267 PR tree-optimization/37709
4268 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4269 * tree.h (block_ultimate_origin): Declare.
4270 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4271 * tree-ssa-live.c (remove_unused_scope_block_p):
4272 Eliminate blocks containig no instructions nor live variables nor
4273 nested blocks.
4274 (dump_scope_block): New function.
4275 (remove_unused_locals): Enable removal of dead blocks by default;
4276 enable dumping at TDF_DETAILS.
4278 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4280 * config/i386/i386.c (classify_argument): Don't allow COImode
4281 and OImode.
4282 (function_arg_advance_32): Don't allow OImode.
4283 (function_arg_32): Likewise.
4284 (function_value_32): Likewise.
4285 (return_in_memory_32): Likewise.
4286 (function_arg_64): Remove OImode comment.
4288 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4290 PR target/39261
4291 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4292 ix86_expand_vector_set for V4DImode in 64bit mode only.
4293 (ix86_expand_vector_init_one_var): Likewise.
4295 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4297 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4299 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4301 PR bootstrap/39257
4302 * loop-iv.c: Revert last change.
4303 * emit-rtl.c: Likewise.
4305 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4307 PR target/39256
4308 * config/i386/i386.c (type_natural_mode): Remove an extra
4309 space in the warning message.
4310 (function_value_32): Handle 32-byte vector modes.
4311 (return_in_memory_32): Likewise.
4313 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4315 * loop-iv.c (truncate_value): New function.
4316 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4317 of lowpart_subreg.
4318 (lowpart_subreg): Move to...
4319 * emit-rtl.c: ...here.
4321 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4323 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4324 accidental and undocumented change at revision 140860.
4326 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4328 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4329 take gimple_seq * arguments.
4330 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4331 types_compatible_p langhook.
4333 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4334 Joseph Myers <joseph@codesourcery.com>
4336 * config/arm/arm.c (arm_builtin_va_list): New function.
4337 (arm_expand_builtin_va_start): Likewise.
4338 (arm_gimplify_va_arg_expr): Likewise.
4339 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4340 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4341 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4342 (va_list_type): New variable.
4343 (arm_mangle_type): Mangle va_list_type appropriately.
4345 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4347 PR middle-end/39157
4348 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4349 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4350 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4351 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4352 parameter to 1000 for -O1 by default.
4353 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4354 parameter.
4355 * loop-invariant.c: Include params.h.
4356 (move_loop_invariants): Don't call move_single_loop_invariants on
4357 very large loops.
4359 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4361 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4362 offset when calculating bounds for indexing stack_usage_map. Fixes
4363 a buffer overflow with certain target setups.
4365 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4367 PR target/39240
4368 * calls.c (expand_call): Clear try_tail_call if caller and callee
4369 disagree in promotion of function return value.
4371 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4373 PR target/39175
4374 * c-common.c (c_determine_visibility): If visibility changed and
4375 DECL_RTL has been already set, call make_decl_rtl to update symbol
4376 flags.
4378 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4380 PR c++/39188
4381 * varasm.c (assemble_variable): Don't check DECL_NAME when
4382 globalizing a variable.
4384 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4386 PR c/38483
4387 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4388 expression before any __builtin_trap call.
4389 * c-typeck.c (build_function_call): Convert and check function
4390 arguments before generating a call to a trap. Evaluate the
4391 function arguments before the trap.
4393 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4395 PR target/39228
4396 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4397 (UNSPEC_FXAM_MEM): New unspec.
4398 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4399 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4400 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4402 2009-02-19 Richard Guenther <rguenther@suse.de>
4404 PR tree-optimization/39207
4405 PR tree-optimization/39074
4406 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4407 storedanything_tree): New.
4408 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4409 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4410 (build_succ_graph): Add edges from STOREDANYTHING to all
4411 non-direct nodes.
4412 (init_base_vars): Initialize STOREDANYTHING.
4413 (compute_points_to_sets): Free substitution info after
4414 building the succ graph.
4415 (ipa_pta_execute): Likewise.
4417 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4418 field.
4419 (do_ds_constraint): Do not add to special var or non-pointer
4420 field solutions.
4421 (type_could_have_pointers): Split out from ...
4422 (could_have_pointers): ... here. For arrays use the element type.
4423 (create_variable_info_for): Initialize may_have_pointers.
4424 (new_var_info): Likewise.
4425 (handle_lhs_call): Make the HEAP variable unknown-sized.
4426 (intra_create_variable_infos): Use a type with pointers for
4427 PARM_NOALIAS, make it unknown-sized.
4429 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4431 PR target/39224
4432 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4434 2009-02-18 Jason Merrill <jason@redhat.com>
4436 PR target/39179
4437 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4438 value if DECL_EXTERNAL.
4439 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4440 * target.h (gcc_target::binds_local_p): Clarify "module".
4441 * tree.h (TREE_PUBLIC): Clarify "module".
4443 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4445 PR target/38891
4446 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4447 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4449 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4451 PR target/39082
4452 * c.opt (Wabi): Support C and ObjC.
4453 (Wpsabi): New.
4455 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4457 * config/i386/i386.c (classify_argument): Warn once about the ABI
4458 change when passing union with long double.
4460 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4462 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4464 PR c/35447
4465 * c-parser.c (c_parser_compound_statement): Always enter and leave
4466 a scope.
4468 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4470 PR target/34587
4471 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4473 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4475 PR tree-optimization/36922
4476 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4477 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4478 Likewise.
4480 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4482 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4483 to 0 for EABI64.
4485 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4487 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4489 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4491 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4492 tree sharing.
4494 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4495 Richard Sandiford <rdsandiford@googlemail.com>
4497 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4498 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4499 (loongson_biadd): ...this.
4501 2009-02-17 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/39202
4504 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4505 a var make sure to follow existing collapses.
4507 2009-02-17 Richard Guenther <rguenther@suse.de>
4509 PR middle-end/39214
4510 * langhooks.c (lhd_print_error_function): Check for NULL block.
4512 2009-02-17 Richard Guenther <rguenther@suse.de>
4514 PR tree-optimization/39204
4515 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4516 of the PHI arg.
4518 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4520 * config/soft-fp/double.h: Update from glibc CVS.
4522 2009-02-17 Richard Guenther <rguenther@suse.de>
4524 PR tree-optimization/39207
4525 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4526 strict-aliasing warnings for pointers pointing to NULL.
4528 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4530 PR c/35446
4531 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4532 skipping until next close brace.
4534 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4536 PR target/37049
4537 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4538 to function argument boundary.
4540 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4542 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4543 in the lea_add. Reload eventually constraints it properly.
4544 * config/picochip/constraints.md : Remove the target constraint
4545 "b", since it is not needed anymore.
4547 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4549 * gthr-dce.h: Uglify function parameter and local variable names.
4550 * gthr-gnat.h: Likewise.
4551 * gthr-mipssde.h: Likewise.
4552 * gthr-nks.h: Likewise.
4553 * gthr-posix95.h: Likewise.
4554 * gthr-posix.h: Likewise.
4555 * gthr-rtems.h: Likewise.
4556 * gthr-single.h: Likewise.
4557 * gthr-solaris.h: Likewise.
4558 * gthr-tpf.h: Likewise.
4559 * gthr-vxworks.h: Likewise.
4560 * gthr-win32.h: Likewise.
4562 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4564 PR target/39196
4565 * config/i386/i386.md: Restrict the new peephole2 to move
4566 between MMX/SSE registers.
4568 2009-02-15 Richard Guenther <rguenther@suse.de>
4570 Revert
4571 2009-02-13 Richard Guenther <rguenther@suse.de>
4573 * configure.ac: Enable LFS.
4574 * configure: Re-generate.
4575 * config.in: Likewise.
4577 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4579 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4580 spu_srqwbyte, spu_srqwbytebc): Define.
4581 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4582 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4583 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4584 "shrqby_<mode>"): New insn-and-split patterns.
4585 * config/spu/spu.c (expand_builtin_args): Determine and return
4586 number of operands using spu_builtin_description data.
4587 (spu_expand_builtin_1): Use it.
4589 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4591 PR target/38056
4592 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4593 TARGET_CONST_GP.
4595 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4597 PR target/39149
4598 * config/i386/i386.c (override_options): Correct warning
4599 messages for -malign-loops, -malign-jumps and -malign-functions.
4601 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4603 PR target/39152
4604 * config/i386/i386.md: Restrict the new peephole2 to move
4605 between the general purpose registers.
4607 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4609 PR target/39162
4610 * config/i386/i386.c (type_natural_mode): Add a new argument.
4611 Return the original mode and warn ABI change if vector size is 32byte.
4612 (function_arg_advance): Updated.
4613 (function_arg): Likewise.
4614 (ix86_function_value): Likewise.
4615 (ix86_return_in_memory): Likewise.
4616 (ix86_sol10_return_in_memory): Likewise.
4617 (ix86_gimplify_va_arg): Likewise.
4618 (function_arg_32): Don't warn ABX ABI change here.
4619 (function_arg_64): Likewise.
4621 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4623 * loop-iv.c (implies_p): In the final case, test that operands 0
4624 of the two comparisons match.
4626 * config/bfin/bfin.c (find_prev_insn_start): New function.
4627 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4628 (find_next_insn_start): Move.
4630 2009-02-13 Richard Guenther <rguenther@suse.de>
4632 * configure.ac: Enable LFS.
4633 * configure: Re-generate.
4634 * config.in: Likewise.
4636 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4638 PR c/35444
4639 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4640 sizes on syntax error after some arguments have been parsed.
4642 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4644 * doc/invoke.texi (-fira): Remove.
4646 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4648 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4649 * recog.c: Likewise.
4650 * rtl.h: Likewise.
4652 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4654 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4655 (umul_ppmm): Likewise.
4656 (count_leading_zeros): Likewise.
4657 (count_trailing_zeros): Likewise.
4658 (UMUL_TIME): Likewise.
4660 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4662 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4663 soft-fp/t-softfp to tmake_file.
4665 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4666 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4667 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4668 IA64_BUILTIN_INFQ]: New.
4669 (ia64_init_builtins): Initialize __builtin_infq,
4670 __builtin_fabsq and __builtin_copysignq if not HPUX.
4671 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4672 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4674 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4675 SHARED is defined.
4676 (__fixtfti): Likewise.
4677 (__fixunstfti): Likewise.
4678 (__floattitf): Likewise.
4680 * config/ia64/libgcc-glibc.ver: New.
4681 * config/ia64/t-fprules-softfp: Likewise.
4682 * config/ia64/sfp-machine.h: Likewise.
4684 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4685 (LIBGCC2_TF_CEXT): Likewise.
4686 (TF_SIZE): Likewise.
4687 (TARGET_INIT_LIBFUNCS): Likewise.
4689 * config/ia64/t-glibc (SHLINB_MAPFILES):
4690 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4692 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4694 * config/i386/i386.c (construct_container): Rewrite processing
4695 BLKmode with X86_64_SSE_CLASS.
4697 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4699 PR target/39152
4700 * config/i386/i386.md: Replace simplify_replace_rtx with
4701 replace_rtx in the new peephole2.
4703 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4705 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4706 loop unrolling do not happen at -O2.
4708 2009-02-12 Michael Matz <matz@suse.de>
4710 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4712 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4714 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4715 for -g3.
4717 2009-02-12 Ben Elliston <bje@au.ibm.com>
4719 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4720 patterns when updating the back chain. Missed in the 2009-02-10
4721 change.
4723 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4725 * doc/extend.texi (Decimal Floating Types): Update identifier of
4726 draft TR and list of missing support.
4728 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4730 PR middle-end/39154
4731 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4732 bit to variable length decl's flags, add it also to its
4733 pointer replacement variable.
4735 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4736 Jakub Jelinek <jakub@redhat.com>
4738 PR target/39118
4739 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4740 (memory_blockage): New expander.
4741 (*memory_blockage): New insn pattern.
4742 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4743 instead of general blockage at the end of function prologue when
4744 frame pointer is used to access red zone area. Do not emit blockage
4745 when profiling, it is emitted in generic code.
4746 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4747 function epilogue when frame pointer is used to access red zone area.
4749 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4751 PR target/38824
4752 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4753 by arithmetic with memory operands.
4754 * config/i386/predicates.md (commutative_operator): New.
4756 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4758 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4759 bulleted lists.
4761 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4763 * alias.h (record_alias_subset): Declare.
4764 * alias.c (record_alias_subset): Make global.
4766 2009-02-10 Nick Clifton <nickc@redhat.com>
4768 * tree-parloops.c: Change license to GPLv3.
4769 * ipa-struct-reorg.c: Change license to GPLv3.
4770 * ipa-struct-reorg.h: Change license to GPLv3.
4772 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4774 PR c/39084
4775 * c-decl.c (start_struct): Return NULL on error.
4777 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4779 PR middle-end/39124
4780 * cfgloopmanip.c (remove_path): Call remove_bbs after
4781 cancel_loop_tree, not before it.
4783 PR target/39139
4784 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4785 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4786 VAR_DECLs were seen.
4787 * tree-ssa-live.c (remove_unused_locals): Recompute
4788 cfun->has_local_explicit_reg_vars.
4789 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4790 copies or clearings if cfun->has_local_explicit_reg_vars.
4792 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4794 PR target/39118
4795 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4796 of function prologue when frame pointer is used to access
4797 red zone area.
4799 2009-02-10 Richard Guenther <rguenther@suse.de>
4801 PR middle-end/39127
4802 * gimplify.c (gimple_regimplify_operands): Always look if
4803 we need to create a temporary.
4805 2009-02-10 Richard Guenther <rguenther@suse.de>
4807 PR tree-optimization/39132
4808 * tree-loop-distribution.c (todo): New global var.
4809 (generate_memset_zero): Trigger TODO_rebuild_alias.
4810 (tree_loop_distribution): Return todo.
4812 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4814 PR target/39119
4815 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4816 (x86_64_reg_class_name): Removed.
4817 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4818 first one isn't X86_64_SSE_CLASS or any other ones aren't
4819 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4820 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4821 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4822 and 3 X86_64_SSEUP_CLASS.
4823 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4824 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4826 2009-02-10 Ben Elliston <bje@au.ibm.com>
4828 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4829 form instruction to update the stack back chain word, even if the
4830 user has disabled the generation of update instructions.
4831 (movdi_<mode>_update_stack): New.
4832 (movsi_update_stack): Likewise.
4833 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4834 always use an update form instruction to update the stack back
4835 chain word.
4837 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4839 PR middle-end/38953
4840 * graphite.c (if_region_set_false_region): After moving a region in
4841 the false branch of a condition, remove the empty dummy basic block.
4842 (gloog): Remove wrong fix for PR38953.
4844 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4846 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4847 generation due to implicit sign extension.
4849 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4851 PR middle-end/38981
4852 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4853 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4855 2009-02-09 Richard Guenther <rguenther@suse.de>
4857 PR middle-end/35202
4858 * convert.c (convert_to_real): Disable (float)fn((double)x)
4859 to fnf(x) conversion if errno differences may occur and
4860 -fmath-errno is set.
4862 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4864 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4865 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4866 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4868 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4870 PR c/35434
4871 * c-common.c (handle_alias_attribute): Disallow attribute for
4872 anything not a FUNCTION_DECL or VAR_DECL.
4874 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4876 PR c/39035
4877 * real.c (do_compare): Special-case compare of zero against
4878 decimal float value.
4880 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4882 PR c/36432
4883 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4884 as indicating flexible array members unless the field itself is
4885 being declarared as the incomplete array.
4887 2009-02-06 Jan Hubicka <jh@suse.cz>
4889 PR tree-optimization/38844
4890 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4891 is already inlined.
4893 2009-02-06 Richard Guenther <rguenther@suse.de>
4895 PR middle-end/38977
4896 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4897 fork because we may expand it as __gcov_fork.
4899 2009-02-06 Nick Clifton <nickc@redhat.com>
4901 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4903 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4905 PR tree-optimization/35659
4906 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4907 vn_phi_eq): Shortcut if hashcode does not match.
4908 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4909 NULL operands.
4910 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4911 and avoid iterative_hash_expr.
4912 (FOR_EACH_VALUE_ID_IN_SET): New.
4913 (value_id_compare): Remove.
4914 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4915 sort expressions by value id.
4917 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4919 PR target/38991
4920 * config/sh/predicates.md (general_movsrc_operand): Don't check
4921 the subreg of system registers here.
4923 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4925 PR c++/39106
4926 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4927 on the copied decl.
4929 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4931 PR rtl-optimization/39110
4932 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4933 addresses, not aligned ones.
4935 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4936 Richard Guenther <rguenther@suse.de>
4938 PR tree-optimization/39100
4939 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4940 comment says and add edges.
4942 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4944 PR c/35435
4945 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4946 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4948 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4950 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4951 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4952 register_bb_in_sese, new_sese, free_sese): Moved.
4953 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4954 outermost_loop_in_scop, build_scop_iteration_domain,
4955 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4956 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4957 Use loop_in_sese_p instead of loop_in_scop_p.
4958 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4959 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4960 (scopdet_basic_block_info): Fix bug in scop detection.
4961 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4962 eq_loop_to_cloog_loop): Remove.
4963 (nb_loops_around_loop_in_scop, nb_loop
4964 ref_nb_loops): Moved here...
4965 * graphite.h (ref_nb_loops): ... from here.
4966 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4967 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4968 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4969 * testsuite/gcc.dg/graphite/scop-19.c: New
4971 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4972 Hans-Peter Nilsson <hp@axis.com>
4974 PR rtl-optimization/37889
4975 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4976 Move offset handling from PLUS to before the switch. Use new
4977 arguments when considering SYMBOL_REFs too.
4978 (rtx_addr_can_trap_p): Pass dummy offset and size.
4979 (enum may_trap_p_flags): Remove.
4980 (may_trap_p_1): Pass size from MEM_SIZE.
4982 PR rtl-optimization/38921
4983 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4984 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4985 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4986 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4988 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4990 AVX Programming Reference (January, 2009)
4991 * config/i386/sse.md (*vpclmulqdq): New.
4993 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4995 PR tree-optimization/38977
4996 PR gcov-profile/38292
4997 * calls.c (special_function_p): Disregard __builtin_ prefix.
4999 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5001 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5002 non-indexable addresses even before reload.
5004 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5006 PR c/29129
5007 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5008 as having variable size. Do not give an error for unnamed
5009 parameters with [*] declarators. Give a warning for type names
5010 with [*] declarators and mark them as variable size.
5011 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5012 for sizeof applied to [*] type names.
5014 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5016 PR C++/36607
5017 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5019 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5021 * gcc.c (process_command): Update copyright notice dates.
5022 * gcov.c (print_version): Likewise.
5023 * gcov-dump.c (print_version): Likewise.
5024 * mips-tfile.c (main): Likewise.
5025 * mips-tdump.c (main): Likewise.
5027 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5029 PR c/35433
5030 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5031 for composite type involving a zero-length array type.
5033 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5035 PR target/35318
5036 * function.c (match_asm_constraints_1): Skip over
5037 initial optional % in the constraint.
5039 PR inline-asm/39059
5040 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5041 supported, don't accept FIXED_CSTs.
5042 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5043 and _Sat is used without _Fract/_Accum. Set specs->type to
5044 integer_type_node for cts_fract/cts_accum if fixed point is not
5045 supported.
5047 2009-02-02 Catherine Moore <clm@codesourcery.com>
5049 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5051 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5053 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5054 (ABI_HAS_64BIT_SYMBOLS): Use it.
5055 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5057 2009-02-02 Paul Brook <paul@codesourcery.com>
5059 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5061 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5063 PR inline-asm/39058
5064 * recog.h (asm_operand_ok): Add constraints argument.
5065 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5066 recurse on matching constraint.
5067 (check_asm_operands): Pass constraints as 3rd argument to
5068 asm_operand_ok. Don't look up matching constraint here.
5069 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5070 to asm_operand_ok.
5072 2009-02-02 Ben Elliston <bje@au.ibm.com>
5074 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5075 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5077 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5079 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5080 information. Remove some obsolete information. Reorganize.
5082 * config/pa/fptr.c: Revert license to GPL 2.
5083 * config/pa/milli64.S: Likewise.
5085 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5087 PR target/38904
5088 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5089 LIBRARY name in, instead of hard-coding it.
5090 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5091 extra target make frag to tmake_files according to EH model.
5092 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5093 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5094 frags that define makefile variable EH_MODEL appropriately.
5095 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5096 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5097 to "-sjlj" according to type of EH configured.
5098 (LIBGCC_SONAME): Concatenate it to shared library base name.
5099 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5100 to "_sjlj" according to type of EH configured.
5101 (LIBGCC_SONAME): Concatenate it to shared library base name.
5102 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5103 (SHLIB_LINK): Add missing semicolon to if-else construct.
5104 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5105 string value of "pe_dll" command-line option.
5106 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5107 (SHLIB_SONAME): Use it when overriding t-cygming default.
5108 (SHLIB_IMPLIB): Override t-cygming default.
5109 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5110 string value of "pe_dll" command-line option.
5112 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5114 PR target/38952
5115 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5116 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5118 2009-01-31 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/38937
5121 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5122 computing the transitive closure.
5124 2009-01-30 Richard Guenther <rguenther@suse.de>
5126 PR tree-optimization/39041
5127 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5128 Propagate variable indices only if the types match for this stmt.
5130 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5132 PR target/39013
5133 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5134 inline but never defined.
5136 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5138 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5139 (*insv_h_di_reg_extimm): New insn.
5140 (*insv_l<mode>_reg_extimm): New insn.
5142 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5144 * config/picochip/picochip.c (flag_conserve_stack): set
5145 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5146 fconserve-stack. Reduce call-overhead used by inliner.
5148 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5150 PR/38157
5151 * common.opt (flag_conserve_stack): Initialised to zero.
5153 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5155 PR/39002
5156 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5157 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5158 method.
5160 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5162 * ira-color.c (allocno_reload_assign): Update comments.
5163 * regmove.c (regmove_optimize): Likewise.
5165 * ra.h: Removed.
5167 2009-01-29 Robert Millan <rmh@aybabtu.com>
5169 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5170 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5171 `MD_UNWIND_SUPPORT'.
5172 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5174 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5176 PR tree-optimization/39007
5177 * tree-loop-distribution.c (generate_builtin): Use
5178 recompute_dominator to compute the immediate dominator of the
5179 basic block just after the loop.
5181 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5183 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5184 (ASM_OUTPUT_DWARF_PCREL): Define.
5186 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5188 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5189 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5190 global. Modify entries about regmove and IRA.
5192 * ra-conflict.c: Remove the file.
5194 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5196 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5197 (pass_regclass_init): Rename to pass_reginfo_init.
5199 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5201 * toplev.h (flag_ira): Remove.
5203 * caller-save.c (setup_save_areas): Remove flag_ira.
5205 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5207 * global.c: Remove the file.
5209 * opts.c (decode_options): Remove flag_ira.
5211 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5213 * regmove.c: Modify file description.
5214 (find_use_as_address, try_auto_increment): Define them only if
5215 AUTO_INC_DEC is defined.
5216 (replacement_quality, replace_in_call_usage, fixup_match_1,
5217 stable_and_no_regs_but_for_p): Remove.
5218 (reg_set_in_bb): Make it static.
5219 (regmove_optimize): Remove flag_ira and code which worked for
5220 !flag_ira.
5222 * local-alloc.c: Remove the file.
5224 * common.opt (fira): Remove.
5226 * ira.c: Include except.h.
5227 (eliminable_regset): Move from global.c.
5228 (mark_elimination): Ditto. Remove flag_ira.
5229 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5230 equiv_mem_modified, validate_equiv_mem_from_store,
5231 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5232 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5233 no_equiv, recorded_label_ref): Move from local-alloc.c.
5234 (update_equiv_regs): Ditto. Make it static.
5235 (print_insn_chain, print_insn_chains): Move it from global.c.
5236 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5237 (build_insn_chain): Ditto. Make it static.
5238 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5239 Rename to init_live_subregs.
5240 (gate_ira): Remove flag_ira.
5242 * regclass.c: Rename reginfo.c. Change file description.
5243 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5244 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5245 (init_reg_sets_1): Remove code for evaluation of
5246 reg_class_superclasses and losing_caller_save_reg_set.
5247 (init_regs): Remove init_reg_autoinc.
5248 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5249 ok_for_base_p_nonstrict): Remove.
5250 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5251 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5252 corresponding entries.
5253 (dump_regclass, record_operand_costs, scan_one_insn,
5254 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5255 record_address_regs, auto_inc_dec_reg_p): Remove.
5256 (gt-regclass.h): Rename to gt-reginfo.h.
5258 * rtl.h (dump_global_regs, retry_global_alloc,
5259 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5261 * Makefile.in (RA_H): Remove.
5262 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5263 Rename regclass.o to reginfo.o.
5264 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5265 gt-reginfo.h.
5266 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5267 (GTFILES): Rename regclass.c to reginfo.c.
5269 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5270 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5272 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5273 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5274 Remove flag_ira.
5275 (finish_spills): Ditto. Remove code for !flag_ira.
5277 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5279 PR middle-end/35854
5280 * doc/invoke.texi (rtl debug options): Complete rewrite.
5281 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5282 to auto_inc_dec".
5283 * mode-switching.c (pass_mode_switching): Rename pass from
5284 "mode-sw" to "mode_sw".
5285 * except.c (pass_convert_to_eh_ranges): Rename pass from
5286 "eh-ranges" to "eh_ranges".
5287 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5288 to "subreg1".
5291 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5292 Alexander Monakov <amonakov@ispras.ru>
5294 PR middle-end/38857
5295 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5296 register.
5297 (move_exprs_to_boundary): Change return type and pass through
5298 should_move from move_op. Relax assert. Update usage ...
5299 (schedule_expr_on_boundary): ... here. Use should_move instead of
5300 cant_move.
5301 (move_op_orig_expr_found): Indicate that insn was disconnected from
5302 stream.
5303 (code_motion_process_successors): Do not call after_merge_succs
5304 callback if original expression was not found when traversing any of
5305 the branches.
5306 (code_motion_path_driver): Change return type. Update prototype.
5307 (move_op): Update comment. Add a new parameter (should_move). Update
5308 prototype. Set *should_move based on indication provided by
5309 move_op_orig_expr_found.
5311 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5313 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5314 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5315 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5316 * config/rs6000/rs6000.c (rs6000_override_options): Default
5317 avoid-indexed-addresses on for Power6, off for everything else.
5318 (avoiding_indexed_address_p): New function.
5319 (rs6000_legitimize_address): Use it.
5320 (rs6000_legitimate_address): Likewise.
5321 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5323 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5325 PR tree-optimization/38997
5326 * tree-loop-distribution.c (generate_memset_zero): Use
5327 POINTER_PLUS_EXPR for a pointer addition.
5329 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5331 * config/s390/s390.md (bswap<mode>2): New pattern added.
5333 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5335 * config/s390/s390.md (*tls_load_31): Added type attribute.
5337 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5339 * config/s390/s390.md: Fix a few comments.
5341 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5343 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5344 (*tm<mode>_full): Fixed z10prop attribute.
5345 (*tst<mode>_extimm): Fixed z10prop attribute.
5346 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5347 (*tstqiCCT_cconly): Fixed z10prop attribute.
5348 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5349 (*movsi_larl): Fixed z10prop attribute.
5350 (*movsi_zarch): Fixed z10prop attribute.
5351 (*movsi_eas): Fixed z10prop attribute.
5352 (*movhi): Fixed z10prop attribute.
5353 (*movqi): Fixed z10prop attribute.
5354 (*movstrictqi): Fixed z10prop attribute.
5355 (*mov<mode>): Fixed z10prop attribute.
5356 (*movcc): Fixed z10prop attribute.
5357 (*sethighpartdi_64): Fixed z10prop attribute.
5358 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5359 (*negdi2_sign_cc): Fixed z10prop attribute.
5360 (*negdi2_sign): Fixed z10prop attribute.
5361 (*absdi2_sign_cc): Fixed z10prop attribute.
5362 (*absdi2_sign): Fixed z10prop attribute.
5363 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5364 (*negabsdi2_sign): Fixed z10prop attribute.
5365 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5366 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5367 (doloop_si64): Fixed z10prop attribute.
5368 (doloop_si31): Fixed z10prop attribute.
5369 (doloop_long): Fixed z10prop attribute.
5370 (indirect_jump): Fixed z10prop attribute.
5371 (nop): Fixed z10prop attribute.
5372 (main_base_64): Fixed z10prop attribute.
5373 (reload_base_64): Fixed z10prop attribute.
5375 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5377 PR rtl-optimization/38740
5378 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5379 if !optimize.
5380 * config/mips/mips.c (mips_reorg): Likewise.
5382 2009-01-28 Richard Guenther <rguenther@suse.de>
5384 PR tree-optimization/38926
5385 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5386 with the correct value id to a value.
5387 (do_regular_insertion): Use the value number of edoubleprime
5388 for the value number of the expr.
5390 Revert
5391 2008-08-21 Richard Guenther <rguenther@suse.de>
5393 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5394 a PHI ask VN if it is already available.
5395 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5396 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5398 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5400 PR middle-end/38934
5401 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5402 set to varying whenever max has TREE_OVERFLOW set, similarly
5403 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5405 2009-01-28 Richard Guenther <rguenther@suse.de>
5407 PR middle-end/38908
5408 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5409 uninitialized aggregate uses in call arguments.
5411 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5413 PR tree-optimization/38984
5414 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5415 the nothing_id variable if -fno-delete-null-pointer-checks.
5417 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5419 PR target/38988
5420 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5421 (set_got_offset_rex64): Ditto.
5423 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5425 PR target/38941
5426 * doc/extend.texi: Improve local variable with asm reg.
5428 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5430 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5431 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5432 was not supplied then set warn_packed_bitfield_compat to the
5433 default value of 1.
5434 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5435 against 1.
5437 2009-01-27 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/38503
5440 * cfgexpand.c (expand_gimple_basic_block): Ignore
5441 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5442 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5443 variables that cannot have TBAA applied.
5444 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5445 statements.
5447 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5449 PR middle-end/38969
5450 * calls.c (initialize_argument_information): Do not wrap complex
5451 arguments in SAVE_EXPR.
5453 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5455 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5456 (INSTALL_LIBGCC): Revert typo commit.
5458 2009-01-26 Richard Guenther <rguenther@suse.de>
5460 PR tree-optimization/38745
5461 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5462 from special handling.
5464 2009-01-26 Richard Guenther <rguenther@suse.de>
5466 PR tree-optimization/38745
5467 * tree-ssa.c (execute_update_addresses_taken): Do not include
5468 variables that cannot possibly be a register in not_reg_needs.
5469 Do not clear TREE_ADDRESSABLE on vars that may not become
5470 registers.
5471 * tree-ssa.c (update_alias_info_1): Include those in the set
5472 of addressable vars.
5474 2009-01-26 Richard Guenther <rguenther@suse.de>
5476 PR middle-end/38851
5477 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5478 * tree-ssa-dse.c: Include langhooks.h
5479 (execute_simple_dse): Remove stores with zero size.
5481 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5483 PR c/38957
5484 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5485 as PLUS_EXPR.
5487 2009-01-24 Julian Brown <julian@codesourcery.com>
5489 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5490 config/arm/linux-atomic.c.
5491 * config/arm/linux-atomic.c: New.
5493 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5495 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5496 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5497 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5499 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5501 PR c/38938
5502 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5503 properly.
5505 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5507 PR tree-optimization/38953
5508 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5509 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5510 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5511 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5512 changed the CFG.
5514 2009-01-24 Paul Brook <paul@codesourcery.com>
5516 * config/arm/neon.md (neon_type): Move to arm.md.
5517 (neon_mov<VSTRUCT>): Add neon_type attribute.
5518 * config/arm/arm.md (neon_type): Move to here.
5519 (conds): Add "unconditioal" and use as default for NEON insns.
5521 2009-01-24 Ben Elliston <bje@au.ibm.com>
5523 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5524 void *' warning from -Wc++-compat.
5525 * Makefile.in (dominance.o-warn): Remove.
5527 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5529 PR tree-optimization/38932
5530 * fold-const.c (fold_unary_ignore_overflow): New.
5531 * tree.h (fold_unary_ignore_overflow): Declare.
5532 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5533 * tree-ssa-sccvn.c (visit_reference_op_load,
5534 simplify_unary_expression): Likewise.
5536 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5538 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5539 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5540 regardless of their type.
5541 * c-common.c (handle_packed_attribute): Don't ignore packed on
5542 bitfields.
5543 * c.opt (Wpacked-bitfield-compat): New warning option.
5544 * stor-layout.c (place_field): Warn if offset of a field changed.
5545 * doc/extend.texi (packed): Mention the ABI change.
5546 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5547 (Warning Options): Add it to the list.
5549 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5551 * c-opts.c (c_common_post_options): Fix a typo in comments.
5553 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5555 PR middle-end/38615
5556 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5557 variables to static.
5558 * doc/invoke.texi (-fmerge-all-constants): Update description.
5560 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5562 PR target/38931
5563 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5564 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5566 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5568 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5569 a word boundary.
5570 (LOCAL_ALIGNMENT): Similarly.
5572 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5573 Joseph Myers <joseph@codesourcery.com>
5575 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5576 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5577 * config/arm/arm-tune.md: Regenerate.
5578 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5579 -march=iwmmxt2.
5581 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5583 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5584 version number to five.
5586 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5588 PR c++/38930
5589 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5590 * c-common.c (set_underlying_type): Likewise.
5591 (is_typedef_decl ): Likewise
5592 * tree.h: Likewise
5593 (set_underlying_type): Likewise.
5594 (is_typedef_type): Likewise.
5596 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5598 PR middle-end/38587
5599 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5600 crossing setjmps.
5602 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5604 PR bootstrap/37660
5605 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5606 (LIBGCC_SPEC): Don't define.
5607 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5609 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5611 PR rtl-optimization/38879
5612 * alias.c (base_alias_check): Unaligned access via AND address can
5613 alias all surrounding object types except those with sizes equal
5614 or wider than the size of unaligned access.
5616 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5618 PR c++/26693
5619 * c-decl.c (clone_underlying_type): Move this ...
5620 * c-common.c (set_underlying_type): ... here.
5621 Also, make sure the function properly sets TYPE_STUB_DECL() on
5622 the newly created typedef variant type.
5623 (is_typedef_decl ): New entry point.
5624 * tree.h: Added a new member member_types_needing_access_check to
5625 struct tree_decl_non_common.
5626 (set_underlying_type): New entry point.
5627 (is_typedef_type): Likewise.
5629 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5631 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5632 Check whether two instructions have memory references that
5633 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5634 are helper functions for traversing.
5635 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5636 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5637 not to draw dependency edge for instructions with non-conflicting
5638 alias sets.
5640 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5642 PR other/38758
5643 * longlong.h: Update copyright years. Use soft-fp license notice.
5644 Sync __clz_tab declaration with glibc.
5646 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5648 PR target/30687
5649 * doc/extend.texi (syscall_linkage): New.
5650 (version_id): Modify.
5652 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5653 Richard Guenther <rguenther@suse.de>
5655 PR tree-optimization/38747
5656 PR tree-optimization/38748
5657 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5658 conversion if the base address is an indirect reference and the
5659 aliasing sets could cause issues.
5661 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5663 * common.opt (fgraphite, fgraphite-identity): Add comment for
5664 explaining why these options are not documented.
5666 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5668 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5669 gimple_call_lhs is NULL.
5671 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5673 PR target/38868
5674 * emit-rtl.c (adjust_address_1): Make sure memref is never
5675 overwritten.
5677 2009-01-20 Ben Elliston <bje@au.ibm.com>
5679 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5680 const qualifier from arg parameter. Remove unnecessary cast to char *.
5681 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5682 const qualifier from arg 2.
5684 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5686 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5688 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5690 PR c/38869
5691 * rtl.h (reinit_regs): New prototype.
5692 * regclass.c: Include ira.h.
5693 (reinit_regs): New.
5694 * Makefile.in (regclass.o): Add ira.h.
5695 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5697 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5699 PR target/38736
5700 * c-common.c (handle_aligned_attribute): Use
5701 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5702 default alignment value.
5704 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5706 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5707 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5709 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5710 __BIGGEST_ALIGNMENT__.
5712 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5714 2009-01-18 Richard Guenther <rguenther@suse.de>
5716 PR tree-optimization/38819
5717 * tree-flow.h (operation_could_trap_helper_p): Declare.
5718 * tree-eh.c (operation_could_trap_helper_p): Export.
5719 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5720 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5721 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5722 are about to insert a possibly trapping instruction and fail
5723 in this case.
5725 2009-01-18 Andreas Schwab <schwab@suse.de>
5727 * doc/install.texi (Configuration): Remove obsolete paragraph
5728 about use of --with-gnu-ld with --with-gnu-as.
5730 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5732 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5733 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5734 Follow spelling conventions.
5736 2009-01-18 Ben Elliston <bje@au.ibm.com>
5738 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5739 C++ warning about implicit conversion from void * to struct
5740 bitmap_head_def *.
5741 (bitmap_obstack_free): Likewise for bitmap_element *.
5742 * Makefile.in (bitmap.o-warn): Remove.
5744 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5746 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5748 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5749 Tobias Grosser <tobi.grosser@amd.com>
5751 * graphite.c (graphite_trans_scop_block): Do not block single
5752 nested loops.
5754 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5756 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5757 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5758 test with assertion.
5760 2009-01-16 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/38835
5763 PR middle-end/36227
5764 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5765 and INT + PTR -> (INT)(PTR p+ INT) folding.
5766 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5768 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5770 PR target/38554
5771 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5772 the subreg from a lowpart subreg if it is also casting the value.
5774 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5775 Tobias Grosser <tobi.grosser@amd.com>
5777 * graphite.c (compare_prefix_loops): New.
5778 (build_scop_canonical_schedules): Rewritten.
5779 (graphite_transform_loops): Move build_scop_canonical_schedules
5780 after build_scop_iteration_domain.
5782 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5783 Tobias Grosser <tobi.grosser@amd.com>
5785 * graphite.c (add_conditions_to_domain): Add the loops to
5786 the dimension of the iteration domain. Do copy the domain
5787 only when it exists.
5788 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5789 (add_conditions_to_constraints): New.
5790 (can_generate_code_stmt, can_generate_code): Removed.
5791 (gloog): Do not call can_generate_code.
5792 (graphite_transform_loops): Call add_conditions_to_constraints
5793 after building the iteration domain.
5795 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5797 PR tree-optimization/38789
5798 * tree-ssa-threadedge.c
5799 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5800 __builtin_constant_p.
5802 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5804 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5805 examined before deleting them.
5807 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5809 * function.c (aggregate_value_p): Correctly extract the function
5810 type from CALL_EXPR_FN lookup.
5812 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5814 * config/picochip/picochip.c (picochip_override_options): Revert
5815 CFI asm flag disable commited previously.
5817 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5818 Tobias Grosser <tobi.grosser@amd.com>
5819 Jan Sjodin <jan.sjodin@amd.com>
5821 * graphite.c (scan_tree_for_params): On substractions negate
5822 all the coefficients of the term.
5823 (clast_to_gcc_expression_red): New. Handle reduction expressions
5824 of more than two operands.
5825 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5826 (get_vdef_before_scop): Handle also the case of default definitions.
5828 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5830 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5831 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5832 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5834 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5835 Joey Ye <joey.ye@intel.com>
5837 PR middle-end/37843
5838 * cfgexpand.c (expand_stack_alignment): Don't update stack
5839 boundary nor check incoming stack boundary here.
5840 (gimple_expand_cfg): Update stack boundary and check incoming
5841 stack boundary here.
5843 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5845 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5847 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5849 PR rtl-optimization/38245
5850 * calls.c (expand_call): Add stack arguments to
5851 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5852 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5853 in regs and partially in memory or BLKmode arguments.
5854 (emit_library_call_value_1): Add stack arguments to
5855 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5856 ACCUMULATE_OUTGOING_ARGS).
5857 * dce.c: Include tm_p.h.
5858 (find_call_stack_args): New function.
5859 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5860 argument.
5861 (mark_insn): Call find_call_stack_args for CALL_Ps.
5862 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5863 forwards. Allocate and free arg_stores bitmap if needed, pass it
5864 down to deletable_insn_p, don't mark stores set in arg_stores
5865 bitmap, clear the bitmap at the beginning of each bb.
5866 * Makefile.in (dce.o): Depend on $(TM_P_H).
5868 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5870 PR target/22599
5871 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5872 to make sure the insn is a conditional test (bug 22599). Reformat a
5873 few long lines.
5875 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5877 PR middle-end/38431
5878 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5879 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5880 (gloog): Do not call cleanup_tree_cfg.
5881 (graphite_transform_loops): Call cleanup_tree_cfg after all
5882 scops have been code generated.
5884 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5885 * doc/gty.texi (Invoking the garbage collector): Added new node
5886 and section documenting ggc_collect.
5888 2009-01-14 Richard Guenther <rguenther@suse.de>
5890 PR tree-optimization/38826
5891 PR middle-end/38477
5892 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5893 initialization notes only if we actually emitted a warning.
5894 (intra_create_variable_infos): Add constraints for a result decl
5895 that is passed by hidden reference.
5896 (build_pred_graph): Mark all related variables non-direct on
5897 address-taking.
5899 2009-01-14 Nick Clifton <nickc@redhat.com>
5901 * ira-conflicts.c: Include addresses.h for the definition of
5902 base_reg_class.
5903 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5904 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5906 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5908 PR target/38811
5909 * Makefile.in (ira-lives.o): Add except.h.
5911 * ira-lives.c: Include except.h.
5912 (process_bb_node_lives): Process can_throw_internal.
5914 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5916 PR rtl-optimization/38774
5917 * combine.c (simplify_set): When undoing cc_use change, don't do
5918 PUT_CODE on the newly created comparison, but instead put back the
5919 old comparison.
5921 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5923 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5924 values. Remove duplicate arm8 entry.
5926 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5928 PR tree-optimization/38786
5929 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5930 the SSA_NAME case of expand_scalar_variables_expr.
5931 Set the type of an expression to the type of its assign statement.
5932 (expand_scalar_variables_expr): Also gather the scalar computation
5933 used to index the memory access. Do not pass loop_p.
5934 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5935 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5936 the gimple_stmt_iterator where it inserts new code.
5937 Do not pass loop_p.
5938 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5939 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5941 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5943 * graphite.h (debug_value): Removed.
5944 * graphite.c (debug_value): Removed.
5946 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5948 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5949 ldrd/strd with two 32-bit instructions.
5951 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5953 * config/arm/arm.c (struct processors): Pass for speed down into
5954 cost helper functions.
5955 (const_ok_for_op): Handle COMPARE and inequality nodes.
5956 (arm_rtx_costs_1): Rewrite.
5957 (arm_size_rtx_costs): Update prototype.
5958 (arm_rtx_costs): Pass speed down to helper functions.
5959 (arm_slowmul_rtx_costs): Rework cost calculations.
5960 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5961 (arm_9e_rtx_costs): Likewise.
5963 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5965 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5966 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5967 (alpha_legitimize_address): Do not split local symbols wider than
5968 UNITS_PER_WORD into HIGH/LO_SUM parts.
5970 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5972 PR bootstrap/38580
5973 * gcc.c (process_command): Replace call to execvp with calls
5974 to pex_one and exit.
5976 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5978 PR target/29141
5979 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5980 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5981 variant for devices with 3-byte PC.
5982 (__tablejump_elpm__): New.
5984 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5986 PR c/32041
5987 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5988 offsetof member-designator, handle it as `[0].'.
5990 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5992 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5993 function when not using named sections on targets with named sections
5994 if branch distance is less than 262132.
5996 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5998 * combine.c (combine_instructions): Recompute
5999 optimize_this_for_speed_p for each BB in the main combine loop.
6001 2009-01-12 Tomas Bily <tbily@suse.cz>
6003 PR middlend/38385
6004 * tree-loop-distribution.c (prop_phis): New function.
6005 (generate_builtin): Call prop_phis.
6006 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6008 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6010 PR tree-optimization/38807
6011 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6012 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6014 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6016 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6017 subreg of op0 to the original op0.
6019 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6021 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6023 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6025 PR debug/7055
6026 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6027 starting with digits.
6029 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6031 PR target/38695
6032 * config/arm/arm.c (arm_is_long_call_p): Don't call
6033 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6035 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6037 * regrename.c (regrename_optimize): Fix dumping.
6038 (find_oldest_value_reg): Preserve REG_POINTER.
6039 (copy_hardreg_forward_1): Likewise.
6041 2009-01-09 Diego Novillo <dnovillo@google.com>
6043 * gimple.h (struct gimple_statement_base) <uid>: Document
6044 the restrictions on its use.
6045 (gimple_uid): Tidy.
6046 (gimple_set_uid): Tidy.
6048 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6050 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6051 zero guard even if align_bytes != 0 and count is smaller than
6052 size_needed.
6054 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6056 PR rtl-optimization/38495
6057 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6058 (add_range_and_copies_from_move_list): Print all added ranges.
6059 Add ranges to memory optimized destination.
6061 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6063 PR target/38686
6064 PR target/38708
6065 * config/i386/i386.c (override_options): Reject
6066 -mstringop-strategy=rep_8byte with -m32.
6067 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6068 to 1. Do count comparison against epilogue_size_needed at compile
6069 time even when count_exp was constant forced into register. For
6070 size_needed don't jump to epilogue, instead just avoid aligning
6071 and invoke the body algorithm. If need_zero_guard, add zero guard
6072 even if count is non-zero, but smaller than size_needed + number of
6073 bytes that could be stored for alignment.
6074 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6075 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6076 but smaller than size_needed + number of bytes that could be stored
6077 for alignment. Compare size_needed with epilogue_size_needed instead
6078 of desired_align - align, don't adjust size_needed, pass
6079 epilogue_size_needed to the epilogue expanders.
6081 PR c/35742
6082 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6084 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6086 * pa.c (last_address): Change to unsigned.
6087 (update_total_code_bytes): Change argument to unsigned. Don't
6088 check if insn addresses are set.
6089 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6090 addresses are not set.
6091 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6093 2009-01-09 Nick Clifton <nickc@redhat.com>
6095 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6096 DECL_DECLARED_INLINE_P.
6098 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6100 PR middle-end/38347
6101 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6102 GET_MODE (op0) in operand_subword_force calls.
6104 PR middle-end/38771
6105 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6106 fold_convert arg0 operands to TREE_TYPE (op0) first.
6108 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6110 * params.def (ira-max-conflict-table-size): Decrease default value
6111 to 1000.
6113 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6115 PR tree-optimization/37031
6116 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6117 on parameter_set.
6118 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6119 allocate it using gc instead of heap, use VEC_quick_push instead of
6120 VEC_safe_push.
6121 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6122 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6123 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6124 allocated vector from heap allocated.
6125 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6126 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6127 vector only after perfect_loop_nest_depth call.
6129 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6130 Jan Sjodin <jan.sjodin@amd.com>
6132 PR tree-optimization/38559
6133 * graphite.c (debug_value, copy_constraint,
6134 swap_constraint_variables, scale_constraint_variable, ): New.
6135 (get_lower_bound, get_upper_bound): Removed.
6136 (graphite_trans_bb_strip_mine): Clean up this code that works
6137 only for constant number of iterations. Fully copy upper and
6138 lower bound constraints, not only the constant part of them.
6139 * graphite.h (debug_value): Declared.
6141 2009-01-08 Ira Rosen <irar@il.ibm.com>
6143 PR tree-optimization/37194
6144 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6145 Don't add the cost of cost model guard in prologue to scalar
6146 outside cost in case of known number of iterations.
6148 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6149 Alan Modra <amodra@bigpond.net.au>
6151 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6152 non-word-aligned REG+CONST addressing.
6154 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6156 PR target/38706
6157 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6158 free_after_compilation when outputting a thunk.
6159 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6160 Do not call free_after_compilation here.
6162 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6164 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6165 (ix86_valid_target_attribute_inner_p): Ditto.
6167 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6169 PR tree-optimization/38492
6170 PR tree-optimization/38498
6171 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6172 * tree-chrec.h (scev_is_linear_expression): Declared.
6173 * graphite.c (graphite_cannot_represent_loop_niter): New.
6174 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6175 (graphite_loop_normal_form): Use gcc_assert.
6176 (scan_tree_for_params): Use CASE_CONVERT.
6177 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6178 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6179 Use gcc_assert. Discard scops that contain unhandled cases.
6180 (build_scop_conditions): Return a boolean status for unhandled cases.
6181 (strip_mine_profitable_p): Print the loop number, not its depth.
6182 (is_interchange_valid): Pass the depth of the loop nest, don't
6183 recompute it wrongly.
6184 (graphite_trans_bb_block): Same.
6185 (graphite_trans_bb_block): Print tentative of loop blocking.
6186 (graphite_trans_scop_block): Do not print that the loop has been
6187 blocked.
6188 (graphite_transform_loops): Do not handle scops that contain condition
6189 scalar phi nodes.
6191 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6193 AVX Programming Reference (December, 2008)
6194 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6195 (_mm256_stream_pd): Likewise.
6196 (_mm256_stream_ps): Likewise.
6198 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6199 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6200 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6201 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6202 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6203 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6204 (ix86_expand_special_args_builtin): Likewise.
6206 * config/i386/sse.md (AVXMODEDI): New.
6207 (avx_movnt<mode>): Likewise.
6208 (avx_movnt<mode>): Likewise.
6209 (<sse>_movnt<mode>): Remove AVX support.
6210 (sse2_movntv2di): Likewise.
6212 2009-01-07 Richard Guenther <rguenther@suse.de>
6214 PR middle-end/38751
6215 * fold-const.c (extract_muldiv): Remove obsolete comment.
6216 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6217 to PLUS_EXPR canonicalization for the canonicalization.
6219 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6221 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6222 hosted cross-compilers generating less efficient code.
6224 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6226 * function.h (rtl_data): Add a dbr_scheduled_p field.
6227 * reorg.c (dbr_schedule): Set it.
6228 (gate_handle_delay_slots): Check it.
6229 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6230 (mips_reorg): Check flag_delayed_branch instead of
6231 mips_base_delayed_branch.
6232 (mips_override_options): Don't set mips_base_delayed_branch
6233 or flag_delayed_branch.
6235 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6237 PR rtl-optimization/38426.
6238 * ira.c (ira): Set current_function_is_leaf earlier.
6240 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6242 PR rtl-optimization/38722
6243 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6244 too early, only set a flag and modify after last possible
6245 undo_all point.
6247 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6249 PR c/34252
6250 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6251 * real.c (decimal_single_format): Correct values of emin and emax.
6252 (decimal_double_format): Ditto.
6253 (decimal_quad_format): Ditto.
6254 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6255 computation of DECnn_MIN and DECnn_MAX for corrected values of
6256 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6257 __DECnn_MIN__, and adjust its computation for the corrected value
6258 of emin.
6260 2009-01-06 Jan Hubicka <jh@suse.cz>
6262 PR target/38744
6263 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6265 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6267 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6268 Add Robert Clark to the list of testers.
6270 2009-01-06 Jan Hubicka <jh@suse.cz>
6271 Kai Tietz <kai.tietz@onevision.com>
6273 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6274 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6276 2009-01-06 Jan Hubicka <jh@suse.cz>
6277 Kai Tietz <kai.tietz@onevision.com>
6279 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6280 for w64 ABI.
6281 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6282 (ix86_nsaved_regs): Count only general purpose regs.
6283 (ix86_nsaved_sseregs): New.
6284 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6285 to 16 for w64; compute padding and size of sse reg save area.
6286 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6287 general purpose regs.
6288 (ix86_emit_save_sse_regs_using_mov): New.
6289 (ix86_expand_prologue): Save SSE regs if needed.
6290 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6291 (ix86_emit_restore_sse_regs_using_mov): New.
6292 (ix86_expand_epilogue): Save SSE regs if needed.
6294 2009-01-06 Jan Hubicka <jh@suse.cz>
6295 Kai Tietz <kai.tietz@onevision.com>
6297 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6298 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6299 functions when accumulate outgoing args is off.
6301 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6303 PR bootstrap/38742
6304 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6305 before using pseudos_have_intersected_live_ranges_p.
6307 * ira-int.h (ira_assert): Always define.
6309 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6311 AVX Programming Reference (December, 2008)
6312 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6313 (_mm256_permute2_pd): Likewise.
6314 (_mm_permute2_ps): Likewise.
6315 (_mm256_permute2_ps): Likewise.
6316 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6317 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6319 * config/i386/i386.c (ix86_builtins): Remove
6320 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6321 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6322 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6323 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6324 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6325 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6326 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6327 __builtin_ia32_vpermil2ps256.
6328 (ix86_init_mmx_sse_builtins): Updated.
6329 (ix86_expand_args_builtin): Likewise.
6331 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6333 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6334 long absolute calls when generating PA 2.0 code.
6336 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6338 PR rtl-optimization/38583
6339 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6341 * params.def (ira-max-conflict-table-size): New.
6343 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6345 * ira.h (ira_conflicts_p): New external definition.
6347 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6348 table. Report this. Return result of building.
6349 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6350 building conflict table.
6352 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6353 (ira_color): Use ira_conflicts_p.
6355 * global.c: Include ira.h.
6356 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6357 ira_conflicts_p.
6359 * Makefile.in (global.o): Add ira.h.
6361 * ira-build.c (mark_all_loops_for_removal,
6362 propagate_some_info_from_allocno): New.
6363 (remove_unnecessary_allocnos): Call
6364 propagate_some_info_from_allocno.
6365 (remove_low_level_allocnos): New.
6366 (remove_unnecessary_regions): Add parameter. Call
6367 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6368 parameter to remove_unnecessary_regions.
6369 (ira_build): Remove all regions but root if the conflict table was
6370 not built. Update conflict hard regs for allocnos crossing calls.
6372 * ira.c (ira_conflicts_p): New global.
6373 (ira): Define and use ira_conflicts_p.
6375 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6376 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6377 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6379 2009-01-06 Ben Elliston <bje@au.ibm.com>
6381 * gengtype-lex.l (YY_NO_INPUT): Define.
6383 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6385 PR c/34911
6386 * c-common.c (handle_vector_size_attribute): Also reject
6387 BOOLEAN_TYPE types.
6389 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6391 PR tree-optimization/38492
6392 * graphite.c (rename_map_elt, debug_rename_elt,
6393 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6394 rename_map_elt_info, eq_rename_map_elts,
6395 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6396 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6397 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6398 (sese_build_livein_liveouts): New.
6399 (new_sese, free_sese): New.
6400 (new_scop): Call new_sese.
6401 (free_scop): Call free_sese.
6402 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6403 (register_old_new_names): Renamed register_old_and_new_names.
6404 (register_scop_liveout_renames, add_loop_exit_phis,
6405 insert_loop_close_phis, struct igp,
6406 default_liveout_before_guard, add_guard_exit_phis,
6407 insert_guard_phis, copy_renames): New.
6408 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6409 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6410 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6411 (scop_adjust_phis_for_liveouts): New.
6412 (gloog): Call scop_adjust_phis_for_liveouts.
6414 * graphite.h (struct sese): Documented. Added fields liveout,
6415 num_ver and livein.
6416 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6417 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6418 (struct scop): Added field liveout_renames.
6419 (SCOP_LIVEOUT_RENAMES): New.
6421 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6423 PR tree-optimization/38510
6424 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6425 (translate_clast): Call recompute_all_dominators before
6426 graphite_verify.
6427 (gloog): Call recompute_all_dominators before graphite_verify.
6429 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6430 Jan Sjodin <jan.sjodin@amd.com>
6432 PR tree-optimization/38500
6433 * graphite.c (create_sese_edges): Call fix_loop_structure after
6434 splitting blocks.
6436 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6438 * config.gcc: Add m32r*-*-rtems*.
6439 * config/m32r/rtems.h: New file.
6441 2009-01-05 Ben Elliston <bje@au.ibm.com>
6443 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6444 (.po.pox): Likewise.
6445 (po/gcc.pot): Likewise.
6447 2009-01-04 David S. Miller <davem@davemloft.net>
6449 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6450 (STARTING_FRAME_OFFSET): Always set to zero.
6452 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6454 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6455 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6456 fixed-point types, and vectors of the same.
6458 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6460 * config/mips/sync.md (*mb_barrier): Rename to...
6461 (*memory_barrier): ...this.
6463 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6465 * doc/extend.texi (Function Attributes): Move @cindex after @item
6466 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6467 and put in alphabetical order. Fix 'target' name and put in order.
6468 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6469 typos.
6471 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6473 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6474 (memory_barrier): Expand as unspec instead of unspec_volatile.
6475 Remove mem:BLK from insn operands. Use Pmode scratch register.
6476 (*memory_barrier): Define as unspec instead of unspec_volatile.
6477 Use (match_dup 0) as input operand.
6479 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6480 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6481 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6482 scratch register. Remove operand 1.
6483 (*stbar): Define as unspec instead of unspec_volatile.
6484 Use (match_dup 0) as input operand, remove (const_int 8).
6485 (*membar): Define as unspec instead of unspec_volatile.
6486 Use (match_dup 0) as input operand, remove input operand 2.
6488 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6489 (memory_barrier): Expand as unspec instead of unspec_volatile.
6490 Remove mem:BLK from insn operands. Use Pmode scratch register.
6491 (*memory_barrier): Define as unspec instead of unspec_volatile.
6492 Use (match_dup 0) as input operand.
6494 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6495 Remove mem:BLK from insn operands. Use Pmode scratch register.
6496 Set volatile flag on operand 0.
6497 (*memory_barrier): New insn pattern.
6499 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6500 insn operands.
6501 (*memory_barrier): Use (match_dup 0) as input operand.
6503 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6504 Remove mem:BLK from insn operands. Use Pmode scratch register.
6505 Set volatile flag on operand 0.
6506 (*mb_internal): New insn pattern.
6508 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6510 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6512 PR middle-end/38586
6513 * function.c (struct temp_slot): Move to the section of the file
6514 that deals with temp slots. Remove field 'address'.
6515 (temp_slot_address_table): New hash table of address -> temp slot.
6516 (struct temp_slot_address_entry): New struct, items for the table.
6517 (temp_slot_address_compute_hash, temp_slot_address_hash,
6518 temp_slot_address_eq, insert_temp_slot_address): Support functions
6519 for the new table.
6520 (find_temp_slot_from_address): Rewrite to use the new hash table.
6521 (remove_unused_temp_slot_addresses): Remove addresses of temp
6522 slots that have been made available.
6523 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6524 worker function for remove_unused_temp_slot_addresses.
6525 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6526 Add the temp slot address to the address -> temp slot map.
6527 (update_temp_slot_address): Update via insert_temp_slot_address.
6528 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6529 (pop_temp_slots): Likewise.
6530 (init_temp_slots): Allocate the address -> temp slot map, or empty
6531 the map if it is already allocated.
6532 (prepare_function_start): Initialize temp slot processing.
6534 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6536 PR middle-end/38584
6537 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6538 Calculate the size of all stack vars assuming no packing of stack
6539 vars will happen, replacing a quadratic algorithm with a linear one.
6541 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6543 PR target/38707
6544 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6545 can't be used.
6547 2009-01-03 Diego Novillo <dnovillo@google.com>
6549 * doc/contrib.texi: Update contributions.
6551 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6553 PR c++/38705
6554 * builtins.c (fold_builtin_memory_op): Give up if either operand
6555 is volatile. Set srctype or desttype to non-qualified version
6556 of the other type.
6558 PR c/38700
6559 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6560 and FUNCTION_DECLs.
6562 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6564 PR rtl-optimization/35805
6565 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6566 problem if fast dce is able to remove any instructions.
6567 * dce.c (dce_process_block): Fix dump message.
6569 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6571 PR 33649
6572 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6574 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6576 PR middle-end/38690
6577 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6578 * tree-pretty-print.c (op_code_prio): New function.
6579 (op_prio): No longer static. Use op_code_prio.
6580 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6581 Use op_prio and op_code_prio to determine if () should be
6582 printed around operand(s) or not.
6584 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6585 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6586 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6587 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6588 pp_character instead of pp_string for single letter printing.
6590 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6592 * doc/extend.texi: Fix '#pragma GCC option' typo.
6594 2009-01-02 Richard Guenther <rguenther@suse.de>
6596 * doc/install.texi (--enable-checking): Mention different
6597 default for stage1.
6598 (--enable-stage1-checking): Document.
6600 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6602 PR middle-end/30142
6603 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6604 case to be an error.
6606 2009-01-02 Ben Elliston <bje@au.ibm.com>
6608 * config/fp-bit.h (pack_d): Constify argument.
6609 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6610 (isnan): Constify argument.
6611 (isinf): Likewise.
6612 (iszero): Likewise.
6613 (pack_d): Likewise.
6614 (_fpadd_parts): Constify return type.
6615 (_fpmul_parts): Likewise.
6616 (_fpdiv_parts): Likewise.
6618 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6620 PR c/36489
6621 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6622 warn about overwriting initializer with side-effects or
6623 -Woverride-init if !IMPLICIT.
6624 (output_init_element): Likewise. Pass IMPLICIT down to
6625 add_pending_init.
6626 (process_init_element): Add IMPLICIT argument. Pass it down
6627 to output_init_element.
6628 (push_init_element, pop_init_level, set_designator): Adjust
6629 process_init_element callers.
6630 (set_nonincremental_init, set_nonincremental_init_from_string):
6631 Adjust add_pending_init callers.
6632 (output_pending_init_elements): Adjust output_init_element callers.
6633 * c-tree.h (process_init_element): Adjust prototype.
6634 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6635 process_init_element callers.