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