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