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