1 2009-04-14 Joseph Myers <joseph@codesourcery.com>
3 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
7 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
9 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
10 the same as a minus without a shift.
12 2009-04-14 Nick Clifton <nickc@redhat.com>
14 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
15 comparisons with small integers will always produce a short
18 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
22 2008-12-19 Diego Novillo <dnovillo@google.com>
24 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
26 2000-04-14 Richard Guenther <rguenther@suse.de>
28 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
30 (verify_gimple_assign_binary): Likewise. Handle shifts and
32 (verify_gimple_phi): Print the mismatched argument position.
33 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
35 (vect_update_init_of_dr): Likewise.
36 * matrix-reorg.c (transform_access_sites): Do what the
38 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
40 2009-04-13 Michael Eager <eager@eagercon.com>
42 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
43 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
44 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
45 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
46 remove duplicate config
48 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
50 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
51 file_name:line_number type locator of the call site.
53 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
55 * genautomata.c: Put blank after comma.
56 (automaton_decls): New.
57 (struct unit_usage): Add comments to member next.
58 (store_alt_unit_usage): Keep the list ordered.
59 (unit_present_on_list_p, equal_alternatives_p): New.
60 (check_regexp_units_distribution): Check units distribution
61 correctness correctly.
62 (main): Don't write automata if error is found. Return correct
65 * config/m68k/cf.md (cfv4_ds): Remove.
66 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
67 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
69 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
70 power4-load-ext, power4-store, power4-store-update,
71 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
72 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
73 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
74 power4-sqrt, power4-isync): Modify reservation to make correct
75 unit distribution to automata.
77 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
78 power5-store-update, power5-two, power5-three, power5-lmul,
79 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
81 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
83 * except.c (pass_set_nothrow_function_flags): Set name and add
85 (set_nothrow_function_flags): Mention in the dump file when
86 changing a function to nothrow.
88 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
91 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
92 instead of unsigned long.
94 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
96 * config/arm/arm.c (return_used_this_function): Remove.
97 (arm_output_function_prologue): Remove use of
98 return_used_this_function.
99 (output_return_instruction): Replace use of
100 return_used_this_function
101 by cfun->machine->return_used_this_function.
102 (arm_output_epilogue): Likewise.
103 (arm_output_function_epilogue): Likewise.
104 (thumb_unexpanded_epilogue): Likewise.
105 * config/arm/arm.h (struct machine_function):
106 New member return_used_this_function.
108 2009-04-12 Mark Mitchell <mark@codesourcery.com>
110 * doc/install.texi: Correct description of default directory for
111 --with-gxx-include-dir.
113 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
115 * fold-const.c (build_range_check): Properly deal with enumeral and
118 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
120 * doc/invoke.texi (max_gcse_passes): Remove documentation.
121 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
122 * params.h (MAX_GCSE_PASSES): Remove.
123 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
124 in sequence. Remove ability to run multiple passes.
125 (bypass_jumps): Report run as third CPROP pass.
127 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
130 * except.c (can_throw_external): Look at each insn in a SEQUENCE
131 when deciding whether the whole SEQUENCE can throw.
133 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
136 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
137 offseted label references.
139 2009-04-11 Jan Hubicka <jh@suse.cz>
141 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
143 2009-04-11 Richard Guenther <rguenther@suse.de>
146 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
147 return variables as TREE_ADDRESSABLE.
149 2009-04-11 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/39713
152 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
153 reference trees have SSA_NAME operands.
155 2009-04-11 Richard Guenther <rguenther@suse.de>
158 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
161 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
163 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
164 match changes in Cygwin 1.7
165 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
166 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
168 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
170 PR tree-optimization/39701
171 * doc/invoke.texi (Optimization Options): Document change in
172 meaning and initialization of -fdelete-null-pointer-checks.
174 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
177 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
179 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
182 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
184 2009-04-10 Chao-ying Fu <fu@mips.com>
186 * doc/tm.texi (Instruction Output): Document
187 TARGET_ASM_FINAL_POSTSCAN_INSN.
188 * target.h (final_postscan_insn): New field in asm_out.
189 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
190 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
191 * final.c (final_scan_insn): Call
192 targetm.asm_out.final_postscan_insn after outputting
193 an asm macro and a normal instruction.
195 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
196 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
197 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
198 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
199 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
201 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
204 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
205 variables as non-NULL even with -fdelete-null-pointer-checks.
207 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
209 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
211 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
214 * config/i386/i386.c (classify_argument): Handle SCmode with
215 (bit_offset % 64) != 0.
217 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
219 * doc/invoke.texi (Optimize Options): Add cross-reference to
220 -Q --help=optimizers examples.
222 2009-04-10 Ben Elliston <bje@au.ibm.com>
225 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
226 regalign for the reg == fpr and TDmode case.
228 2009-04-09 David Ayers <ayers@fsfe.org>
231 * objc/objc-act.c (warn_with_method): Remove helper function.
232 (check_duplicates): Call warning and inform directly.
233 (really_start_method): Likewise.
235 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
237 * expmed.c (expand_divmod): Always use a comparison for a division
238 by a large unsigned integer.
240 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
241 for things others than variables or functions as nonzero.
243 2009-04-09 Nick Clifton <nickc@redhat.com>
245 * unwind-compat.c: Change copyright header to refer to version
246 3 of the GNU General Public License with version 3.1 of the
247 GCC Runtime Library Exception and to point readers at the
248 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
249 * config/alpha/crtfastmath.c: Likewise.
250 * config/alpha/linux-unwind.h: Likewise.
251 * config/alpha/qrnnd.asm: Likewise.
252 * config/alpha/vms-crt0-64.c: Likewise.
253 * config/alpha/vms-crt0.c: Likewise.
254 * config/alpha/vms-dwarf2.asm: Likewise.
255 * config/alpha/vms-dwarf2eh.asm: Likewise.
256 * config/alpha/vms-psxcrt0-64.c: Likewise.
257 * config/alpha/vms-psxcrt0.c: Likewise.
258 * config/alpha/vms_tramp.asm: Likewise.
259 * config/arc/initfini.c: Likewise.
260 * config/arc/lib1funcs.asm: Likewise.
261 * config/arm/bpabi-v6m.S: Likewise.
262 * config/arm/bpabi.S: Likewise.
263 * config/arm/bpabi.c: Likewise.
264 * config/arm/crti.asm: Likewise.
265 * config/arm/crtn.asm: Likewise.
266 * config/arm/ieee754-df.S: Likewise.
267 * config/arm/ieee754-sf.S: Likewise.
268 * config/arm/lib1funcs.asm: Likewise.
269 * config/arm/libunwind.S: Likewise.
270 * config/arm/linux-atomic.c: Likewise.
271 * config/arm/mmintrin.h: Likewise.
272 * config/arm/pr-support.c: Likewise.
273 * config/arm/unaligned-funcs.c: Likewise.
274 * config/arm/unwind-arm.c: Likewise.
275 * config/arm/unwind-arm.h: Likewise.
276 * config/avr/libgcc.S: Likewise.
277 * config/bfin/crti.s: Likewise.
278 * config/bfin/crtlibid.s: Likewise.
279 * config/bfin/crtn.s: Likewise.
280 * config/bfin/lib1funcs.asm: Likewise.
281 * config/bfin/linux-unwind.h: Likewise.
282 * config/cris/arit.c: Likewise.
283 * config/cris/cris_abi_symbol.c: Likewise.
284 * config/darwin-64.c: Likewise.
285 * config/darwin-crt2.c: Likewise.
286 * config/darwin-crt3.c: Likewise.
287 * config/darwin.h: Likewise.
288 * config/dbxelf.h: Likewise.
289 * config/dfp-bit.c: Likewise.
290 * config/dfp-bit.h: Likewise.
291 * config/elfos.h: Likewise.
292 * config/fixed-bit.c: Likewise.
293 * config/fixed-bit.h: Likewise.
294 * config/fp-bit.c: Likewise.
295 * config/fp-bit.h: Likewise.
296 * config/fr30/crti.asm: Likewise.
297 * config/fr30/crtn.asm: Likewise.
298 * config/fr30/lib1funcs.asm: Likewise.
299 * config/freebsd-spec.h: Likewise.
300 * config/frv/cmovd.c: Likewise.
301 * config/frv/cmovh.c: Likewise.
302 * config/frv/cmovw.c: Likewise.
303 * config/frv/frvbegin.c: Likewise.
304 * config/frv/frvend.c: Likewise.
305 * config/frv/lib1funcs.asm: Likewise.
306 * config/glibc-stdint.h: Likewise.
307 * config/h8300/clzhi2.c: Likewise.
308 * config/h8300/crti.asm: Likewise.
309 * config/h8300/crtn.asm: Likewise.
310 * config/h8300/ctzhi2.c: Likewise.
311 * config/h8300/fixunssfsi.c: Likewise.
312 * config/h8300/lib1funcs.asm: Likewise.
313 * config/h8300/parityhi2.c: Likewise.
314 * config/h8300/popcounthi2.c: Likewise.
315 * config/i386/ammintrin.h: Likewise.
316 * config/i386/att.h: Likewise.
317 * config/i386/avxintrin.h: Likewise.
318 * config/i386/biarch64.h: Likewise.
319 * config/i386/bmmintrin.h: Likewise.
320 * config/i386/cpuid.h: Likewise.
321 * config/i386/cross-stdarg.h: Likewise.
322 * config/i386/crtfastmath.c: Likewise.
323 * config/i386/crtprec.c: Likewise.
324 * config/i386/cygming-crtbegin.c: Likewise.
325 * config/i386/cygming-crtend.c: Likewise.
326 * config/i386/cygwin.asm: Likewise.
327 * config/i386/emmintrin.h: Likewise.
328 * config/i386/gmm_malloc.h: Likewise.
329 * config/i386/gthr-win32.c: Likewise.
330 * config/i386/i386.h: Likewise.
331 * config/i386/immintrin.h: Likewise.
332 * config/i386/linux-unwind.h: Likewise.
333 * config/i386/linux64.h: Likewise.
334 * config/i386/mm3dnow.h: Likewise.
335 * config/i386/mmintrin-common.h: Likewise.
336 * config/i386/mmintrin.h: Likewise.
337 * config/i386/nmmintrin.h: Likewise.
338 * config/i386/pmm_malloc.h: Likewise.
339 * config/i386/pmmintrin.h: Likewise.
340 * config/i386/smmintrin.h: Likewise.
341 * config/i386/sol2-c1.asm: Likewise.
342 * config/i386/sol2-ci.asm: Likewise.
343 * config/i386/sol2-cn.asm: Likewise.
344 * config/i386/sol2-gc1.asm: Likewise.
345 * config/i386/tmmintrin.h: Likewise.
346 * config/i386/unix.h: Likewise.
347 * config/i386/w32-unwind.h: Likewise.
348 * config/i386/wmmintrin.h: Likewise.
349 * config/i386/x86-64.h: Likewise.
350 * config/i386/x86intrin.h: Likewise.
351 * config/i386/xmmintrin.h: Likewise.
352 * config/ia64/crtbegin.asm: Likewise.
353 * config/ia64/crtend.asm: Likewise.
354 * config/ia64/crtfastmath.c: Likewise.
355 * config/ia64/crti.asm: Likewise.
356 * config/ia64/crtn.asm: Likewise.
357 * config/ia64/fde-glibc.c: Likewise.
358 * config/ia64/lib1funcs.asm: Likewise.
359 * config/ia64/linux-unwind.h: Likewise.
360 * config/ia64/quadlib.c: Likewise.
361 * config/ia64/unwind-ia64.c: Likewise.
362 * config/linux.h: Likewise.
363 * config/m32c/m32c-lib1.S: Likewise.
364 * config/m32c/m32c-lib2-trapv.c: Likewise.
365 * config/m32c/m32c-lib2.c: Likewise.
366 * config/m32r/initfini.c: Likewise.
367 * config/m68hc11/larith.asm: Likewise.
368 * config/m68hc11/m68hc11-crt0.S: Likewise.
369 * config/m68k/cf.md: Likewise.
370 * config/m68k/crti.s: Likewise.
371 * config/m68k/crtn.s: Likewise.
372 * config/m68k/lb1sf68.asm: Likewise.
373 * config/m68k/linux-unwind.h: Likewise.
374 * config/mcore/crti.asm: Likewise.
375 * config/mcore/crtn.asm: Likewise.
376 * config/mcore/lib1.asm: Likewise.
377 * config/mips/linux-unwind.h: Likewise.
378 * config/mips/loongson.h: Likewise.
379 * config/mips/mips16.S: Likewise.
380 * config/mmix/crti.asm: Likewise.
381 * config/mmix/crtn.asm: Likewise.
382 * config/pa/fptr.c: Likewise.
383 * config/pa/hpux-unwind.h: Likewise.
384 * config/pa/lib2funcs.asm: Likewise.
385 * config/pa/linux-atomic.c: Likewise.
386 * config/pa/linux-unwind.h: Likewise.
387 * config/pa/milli64.S: Likewise.
388 * config/pa/quadlib.c: Likewise.
389 * config/pa/stublib.c: Likewise.
390 * config/picochip/libgccExtras/adddi3.asm: Likewise.
391 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
392 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
393 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
394 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
395 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
396 * config/picochip/libgccExtras/divmod15.asm: Likewise.
397 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
398 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
399 * config/picochip/libgccExtras/longjmp.asm: Likewise.
400 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
401 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
402 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
403 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
404 * config/picochip/libgccExtras/setjmp.asm: Likewise.
405 * config/picochip/libgccExtras/subdi3.asm: Likewise.
406 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
407 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
408 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
409 * config/rs6000/750cl.h: Likewise.
410 * config/rs6000/altivec.h: Likewise.
411 * config/rs6000/biarch64.h: Likewise.
412 * config/rs6000/crtresfpr.asm: Likewise.
413 * config/rs6000/crtresgpr.asm: Likewise.
414 * config/rs6000/crtresxfpr.asm: Likewise.
415 * config/rs6000/crtresxgpr.asm: Likewise.
416 * config/rs6000/crtsavfpr.asm: Likewise.
417 * config/rs6000/crtsavgpr.asm: Likewise.
418 * config/rs6000/darwin-asm.h: Likewise.
419 * config/rs6000/darwin-fallback.c: Likewise.
420 * config/rs6000/darwin-fpsave.asm: Likewise.
421 * config/rs6000/darwin-ldouble.c: Likewise.
422 * config/rs6000/darwin-tramp.asm: Likewise.
423 * config/rs6000/darwin-unwind.h: Likewise.
424 * config/rs6000/darwin-vecsave.asm: Likewise.
425 * config/rs6000/darwin-world.asm: Likewise.
426 * config/rs6000/e500crtres32gpr.asm: Likewise.
427 * config/rs6000/e500crtres64gpr.asm: Likewise.
428 * config/rs6000/e500crtres64gprctr.asm: Likewise.
429 * config/rs6000/e500crtrest32gpr.asm: Likewise.
430 * config/rs6000/e500crtrest64gpr.asm: Likewise.
431 * config/rs6000/e500crtresx32gpr.asm: Likewise.
432 * config/rs6000/e500crtresx64gpr.asm: Likewise.
433 * config/rs6000/e500crtsav32gpr.asm: Likewise.
434 * config/rs6000/e500crtsav64gpr.asm: Likewise.
435 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
436 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
437 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
438 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
439 * config/rs6000/eabi-ci.asm: Likewise.
440 * config/rs6000/eabi-cn.asm: Likewise.
441 * config/rs6000/eabi.asm: Likewise.
442 * config/rs6000/linux-unwind.h: Likewise.
443 * config/rs6000/linux64.h: Likewise.
444 * config/rs6000/paired.h: Likewise.
445 * config/rs6000/paired.md: Likewise.
446 * config/rs6000/ppc64-fp.c: Likewise.
447 * config/rs6000/ppu_intrinsics.h: Likewise.
448 * config/rs6000/rs6000.h: Likewise.
449 * config/rs6000/si2vmx.h: Likewise.
450 * config/rs6000/sol-ci.asm: Likewise.
451 * config/rs6000/sol-cn.asm: Likewise.
452 * config/rs6000/spe.h: Likewise.
453 * config/rs6000/spu2vmx.h: Likewise.
454 * config/rs6000/sysv4.h: Likewise.
455 * config/rs6000/tramp.asm: Likewise.
456 * config/rs6000/vec_types.h: Likewise.
457 * config/s390/linux-unwind.h: Likewise.
458 * config/s390/tpf-unwind.h: Likewise.
459 * config/score/crti.asm: Likewise.
460 * config/score/crtn.asm: Likewise.
461 * config/sh/crt1.asm: Likewise.
462 * config/sh/crti.asm: Likewise.
463 * config/sh/crtn.asm: Likewise.
464 * config/sh/divtab-sh4-300.c: Likewise.
465 * config/sh/divtab-sh4.c: Likewise.
466 * config/sh/divtab.c: Likewise.
467 * config/sh/lib1funcs-4-300.asm: Likewise.
468 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
469 * config/sh/lib1funcs.asm: Likewise.
470 * config/sh/lib1funcs.h: Likewise.
471 * config/sh/linux-atomic.asm: Likewise.
472 * config/sh/linux-unwind.h: Likewise.
473 * config/sh/shmedia.h: Likewise.
474 * config/sh/sshmedia.h: Likewise.
475 * config/sh/ushmedia.h: Likewise.
476 * config/sparc/crtfastmath.c: Likewise.
477 * config/sparc/linux-unwind.h: Likewise.
478 * config/sparc/sol2-c1.asm: Likewise.
479 * config/sparc/sol2-ci.asm: Likewise.
480 * config/sparc/sol2-cn.asm: Likewise.
481 * config/spu/divmodti4.c: Likewise.
482 * config/spu/divv2df3.c: Likewise.
483 * config/spu/float_disf.c: Likewise.
484 * config/spu/float_unsdidf.c: Likewise.
485 * config/spu/float_unsdisf.c: Likewise.
486 * config/spu/float_unssidf.c: Likewise.
487 * config/spu/mfc_multi_tag_release.c: Likewise.
488 * config/spu/mfc_multi_tag_reserve.c: Likewise.
489 * config/spu/mfc_tag_release.c: Likewise.
490 * config/spu/mfc_tag_reserve.c: Likewise.
491 * config/spu/mfc_tag_table.c: Likewise.
492 * config/spu/multi3.c: Likewise.
493 * config/spu/spu_internals.h: Likewise.
494 * config/spu/spu_intrinsics.h: Likewise.
495 * config/spu/spu_mfcio.h: Likewise.
496 * config/spu/vec_types.h: Likewise.
497 * config/spu/vmx2spu.h: Likewise.
498 * config/stormy16/stormy16-lib2.c: Likewise.
499 * config/svr4.h: Likewise.
500 * config/sync.c: Likewise.
501 * config/v850/lib1funcs.asm: Likewise.
502 * config/vxlib-tls.c: Likewise.
503 * config/vxlib.c: Likewise.
504 * config/vxworks-dummy.h: Likewise.
505 * config/xtensa/crti.asm: Likewise.
506 * config/xtensa/crtn.asm: Likewise.
507 * config/xtensa/ieee754-df.S: Likewise.
508 * config/xtensa/ieee754-sf.S: Likewise.
509 * config/xtensa/lib1funcs.asm: Likewise.
510 * config/xtensa/lib2funcs.S: Likewise.
511 * config/xtensa/linux-unwind.h: Likewise.
512 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
513 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
514 * coretypes.h: Likewise.
515 * crtstuff.c: Likewise.
516 * defaults.h: Likewise.
517 * dwarf2.h: Likewise.
518 * emutls.c: Likewise.
519 * gbl-ctors.h: Likewise.
520 * gcov-io.h: Likewise.
521 * ginclude/float.h: Likewise.
522 * ginclude/iso646.h: Likewise.
523 * ginclude/stdarg.h: Likewise.
524 * ginclude/stdbool.h: Likewise.
525 * ginclude/stddef.h: Likewise.
526 * ginclude/stdfix.h: Likewise.
527 * ginclude/stdint-gcc.h: Likewise.
528 * ginclude/tgmath.h: Likewise.
529 * gthr-aix.h: Likewise.
530 * gthr-dce.h: Likewise.
531 * gthr-gnat.c: Likewise.
532 * gthr-gnat.h: Likewise.
533 * gthr-lynx.h: Likewise.
534 * gthr-mipssde.h: Likewise.
535 * gthr-nks.h: Likewise.
536 * gthr-posix.c: Likewise.
537 * gthr-posix.h: Likewise.
538 * gthr-posix95.h: Likewise.
539 * gthr-rtems.h: Likewise.
540 * gthr-single.h: Likewise.
541 * gthr-solaris.h: Likewise.
542 * gthr-tpf.h: Likewise.
543 * gthr-vxworks.h: Likewise.
544 * gthr-win32.h: Likewise.
546 * libgcc2.c: Likewise.
547 * libgcc2.h: Likewise.
548 * libgcov.c: Likewise.
549 * tsystem.h: Likewise.
550 * typeclass.h: Likewise.
551 * unwind-c.c: Likewise.
552 * unwind-compat.h: Likewise.
553 * unwind-dw2-fde-compat.c: Likewise.
554 * unwind-dw2-fde-darwin.c: Likewise.
555 * unwind-dw2-fde-glibc.c: Likewise.
556 * unwind-dw2-fde.c: Likewise.
557 * unwind-dw2-fde.h: Likewise.
558 * unwind-dw2.c: Likewise.
559 * unwind-dw2.h: Likewise.
560 * unwind-generic.h: Likewise.
561 * unwind-pe.h: Likewise.
562 * unwind-sjlj.c: Likewise.
563 * unwind.inc: Likewise.
564 * config/arm/neon-gen.ml: Change generated copyright header to
565 refer to version 3 of the GNU General Public License with
566 version 3.1 of the GCC Runtime Library Exception and to point
567 readers at the COPYING3 and COPYING3.RUNTIME files and the
568 FSF's license web page.
569 * config/arm/arm_neon.h: Regenerate.
571 2009-04-09 Jakub Jelinek <jakub@redhat.com>
573 * config/cris/cris.md: Change copyright header to refer to version
574 3 of the GNU General Public License.
575 * doc/install.texi2html: Change copyright header to refer to version
576 3 of the GNU General Public License and to point readers at the
577 COPYING3 file and the FSF's license web page.
578 * config/vax/linux.h: Likewise.
580 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
582 * config/i386/i386.md (cmpcc): New.
583 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
584 (sync_compare_and_swap_cc*): Delete.
586 * config/s390/s390.c (s390_compare_emitted): Remove.
587 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
588 s390_compare_emitted used to be handled. Assert that modes match.
589 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
590 refer to sync_compare_and_swap_ccsi.
591 * config/s390/s390.h (s390_compare_emitted): Remove.
592 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
593 instead of s390_compare_emitted.
594 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
595 instead of s390_compare_emitted.
596 * config/s390/s390.md (cmpcc): New.
597 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
598 CC_REGNUM, do not pretend it's set.
599 (sync_compare_and_swap_cc*): Delete.
600 * config/s390/predicates.md (cc_reg_operand): New.
602 * expr.c (sync_compare_and_swap_cc): Delete.
603 * optabs.h (sync_compare_and_swap_cc): Delete.
604 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
605 is being used with can_compare_p.
606 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
608 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
609 look for a MODE_CC set instead. Use emit_store_flag.
610 (expand_compare_and_swap_loop): Likewise, with some additional
611 complication to avoid a force_reg when useless. Use
612 emit_cmp_and_jump_insns.
613 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
614 * doc/md.texi (sync_compare_and_swap_cc): Merge with
615 sync_compare_and_swap documentation.
617 2009-04-09 Jan Hubicka <jh@suse.cz>
619 * except.c (find_prev_try): Break out from ....
620 (duplicate_eh_regions): ... here; properly update prev_try pointers
621 when duplication part of tree.
622 (dump_eh_tree): Improve dumping.
623 (verify_eh_region): New.
624 (verify_eh_tree): Use it.
626 2009-04-06 Richard Guenther <rguenther@suse.de>
628 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
629 &ARRAY addresses by adjusting their types and prepending
631 * tree-cfg.c (verify_gimple_assign_single): Verify that
632 addresses are correct.
634 2009-04-09 Richard Guenther <rguenther@suse.de>
636 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
637 indices into an array reference if possible.
638 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
639 Fold POINTER_PLUS_EXPR statements with invariant address.
641 2009-04-09 Alan Modra <amodra@bigpond.net.au>
644 * config.gcc (powerpc64-*-linux*): Always build biarch.
646 2009-04-09 Joseph Myers <joseph@codesourcery.com>
649 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
650 it and pedwarn if this results in an INTEGER_CST.
652 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
654 * doc/install.texi: Update minimum GMP version. Remove obsolete
655 text in MPFR section.
657 2009-04-08 Jakub Jelinek <jakub@redhat.com>
659 * dwarf2out.c (class_scope_p): New static inline.
660 (class_or_namespace_scope_p): Use it.
661 (gen_variable_die): Use DW_TAG_member tag for static data member
662 declarations instead of DW_TAG_variable.
665 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
668 2009-04-08 Richard Guenther <rguenther@suse.de>
670 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
671 valueize random data.
673 2009-04-08 David Edelsohn <edelsohn@gnu.org>
675 * config.gcc (aix tm_file): Add aix-stdint.h.
676 (aix tm clause use_gcc_stdint): Set to wrap.
677 * config/rs6000/aix-stdint.h: New file.
679 2009-04-08 Richard Guenther <rguenther@suse.de>
682 * tree-dfa.c (add_referenced_var): Do not recurse into
684 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
686 (fold_const_aggregate_ref): Likewise.
688 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
690 * recog.c (ordered_comparison_operator): New.
691 * gensupport.c (std_preds): Add it.
692 * doc/md.texi (Machine-Independent Predicates): Document it.
694 2009-04-08 Jan Hubicka <jh@suse.cz>
696 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
697 * function.h (rtl_eh): Remove exception_handler_label_map.
698 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
699 remove_exception_handler_label, for_each_eh_label_1): Remove.
700 (rtl_remove_unreachable_regions): Remove.
701 (convert_from_eh_region_ranges): Do not remove unreachable regions.
702 (find_exception_handler_labels): Don't build the hashtable.
703 (maybe_remove_eh_handler): Remove.
704 (for_each_eh_label): Rewrite to walk the tree.
705 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
706 * except.h (maybe_remove_eh_handler): Remove.
707 * passes.c (init_optimization_passes): Schedule second EH cleanup
709 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
710 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
712 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
714 * genoutput.c (validate_optab_operands): New.
715 (gen_insn, gen_expand): Call it.
717 * genflags.c (gen_insn): Detect misused iterators.
718 (main): Pass line_no to gen_insn, exit with status 1 on error.
720 * genextract.c (line_no): Make global.
721 (VEC_safe_set_locstr): Change assertion to error message.
722 (main): Exit with status 1 on error.
724 2009-04-08 Joseph Myers <joseph@codesourcery.com>
728 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
729 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
730 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
731 * c-convert.c (convert): Do not call fold on results of conversion
732 functions when the result is a C_MAYBE_CONST_EXPR.
733 * c-parser.c (c_parser_postfix_expression): Do not fold condition
734 of __builtin_choose_expr.
735 * c-typeck.c (remove_c_maybe_const_expr): New.
736 (build_unary_op, build_conditional_expr, build_compound_expr,
737 build_binary_op, c_objc_common_truthvalue_conversion): Call
738 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
741 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
743 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
744 CODE to produce a new one. Add a prototype to use fold_convert_const
746 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
749 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
750 mix declarations and code.
752 2009-04-08 Ben Elliston <bje@au.ibm.com>
754 * gcc.c: Replace `CC' with `GCC' throughout.
756 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
758 * doc/invoke.texi: Document Atom support.
760 2009-04-07 Jason Merrill <jason@redhat.com>
763 * c-common.h, c-common.c: Add flag_pretty_templates.
764 * c-opts.c (c_common_handle_option): Set it.
765 * c.opt: Add -fno-pretty-templates.
766 * doc/invoke.texi (C++ Dialect Options): Likewise.
768 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
770 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
771 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
772 (ia64_expand_builtin): Likewise.
774 2009-04-07 Martin Jambor <mjambor@suse.cz>
776 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
777 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
778 ADDR_EXPRS are include too.
780 2009-04-07 Richard Guenther <rguenther@suse.de>
782 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
783 decls are only used if passes as parameters or if they are
784 local statics and the call is not to a builtin.
785 (call_may_clobber_ref_p_1): Likewise.
787 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
789 * expr.c (do_store_flag): Remove last argument. Simplify code
790 to avoid duplication of tests already done by can_compare_p.
791 (expand_expr_real_1): Adjust caller.
793 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
795 * optabs.c (can_compare_p): Test the predicate of a
796 cbranch and cstore pattern.
798 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
800 * expr.c (convert_move): Use emit_store_flag instead of
803 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
805 * config/i386/i386.c (ix86_compare_emitted): Remove.
806 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
807 ix86_compare_op0 like ix86_compare_emitted used to be handled.
808 * config/i386/i386.h (ix86_compare_emitted): Remove.
809 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
810 instead of ix86_compare_emitted.
811 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
813 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
815 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
816 Add t-sysroot-suffix to tmake_file.
817 * config/print-sysroot-suffix.sh: New file.
818 * config/t-sysroot-suffix: New file.
820 2009-04-07 Ben Elliston <bje@au.ibm.com>
822 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
823 as the latter produces a warning when the target does not support
826 2009-04-07 Ben Elliston <bje@au.ibm.com>
828 * dfp.c: Replace type punning assignments with memcpy throughout.
829 * Makefile.in (dfp.o-warn): Remove.
831 2009-04-07 Alan Modra <amodra@bigpond.net.au>
834 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
835 Include soft-fp/t-softfp after rs6000/t-linux64.
837 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
839 * stor-layout.c (set_sizetype): Use the full precision of their
840 machine mode for bitsize types.
842 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
844 * config/i386/i386.md: Revert 2 accidental checkins.
846 2009-04-06 Joey Ye <joey.ye@intel.com>
847 Xuepeng Guo <xuepeng.guo@intel.com>
848 H.J. Lu <hongjiu.lu@intel.com>
850 Atom pipeline model, tuning and insn selection.
851 * config.gcc (atom): Add atom config options and target.
853 * config/i386/atom.md: New.
855 * config/i386/i386.c (atom_cost): New cost.
856 (m_ATOM): New macro flag.
857 (initial_ix86_tune_features): Set m_ATOM.
858 (x86_accumulate_outgoing_args): Likewise.
859 (x86_arch_always_fancy_math_387): Likewise.
860 (processor_target): Add Atom cost.
861 (cpu_names): Add Atom cpu name.
862 (override_options): Set Atom ISA.
863 (ix86_issue_rate): New case PROCESSOR_ATOM.
864 (ix86_adjust_cost): Likewise.
866 * config/i386/i386.h (TARGET_ATOM): New target macro.
867 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
868 (TARGET_OPT_AGU): New target option.
869 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
870 (processor_type): Add PROCESSOR_ATOM.
872 * config/i386/i386.md (cpu): Add new value "atom".
873 (use_carry, movu): New attr.
874 (atom.md): Include atom.md.
875 (adddi3_carry_rex64): Set attr "use_carry".
876 (addqi3_carry): Likewise.
877 (addhi3_carry): Likewise.
878 (addsi3_carry): Likewise.
879 (*addsi3_carry_zext): Likewise.
880 (subdi3_carry_rex64): Likewise.
881 (subqi3_carry): Likewise.
882 (subhi3_carry): Likewise.
883 (subsi3_carry): Likewise.
884 (x86_movdicc_0_m1_rex64): Likewise.
885 (*x86_movdicc_0_m1_se): Likewise.
886 (x86_movsicc_0_m1): Likewise.
887 (*x86_movsicc_0_m1_se): Likewise.
888 (*adddi_1_rex64): Emit add insn as much as possible.
889 (*addsi_1): Likewise.
890 (return_internal): Set atom_unit.
891 (return_internal_long): Likewise.
892 (return_pop_internal): Likewise.
893 (*rcpsf2_sse): Set atom_sse_attr attr.
894 (*qrt<mode>2_sse): Likewise.
895 (*prefetch_sse): Likewise.
897 * config/i386/i386-c.c (ix86_target_macros_internal): New case
899 (ix86_target_macros_internal): Likewise.
901 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
902 (*prefetch_sse_rex): Likewise.
903 (sse_rcpv4sf2): Likewise.
904 (sse_vmrcpv4sf2): Likewise.
905 (sse_sqrtv4sf2): Likewise.
906 (<sse>_vmsqrt<mode>2): Likewise.
907 (sse_ldmxcsr): Likewise.
908 (sse_stmxcsr): Likewise.
909 (*sse_sfence): Likewise.
910 (sse2_clflush): Likewise.
911 (*sse2_mfence): Likewise.
912 (*sse2_lfence): Likewise.
913 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
914 (<sse>_movup<ssemodesuffixf2c>): Likewise.
915 (avx_movdqu<avxmodesuffix>): Likewise.
916 (avx_lddqu<avxmodesuffix>): Likewise.
917 (sse2_movntv2di): Change attr "type" to "ssemov".
918 (sse2_movntsi): Likewise.
919 (rsqrtv8sf2): Change attr "type" to "sseadd".
920 (sse3_addsubv2df3): Set attr "atom_unit".
921 (sse3_h<plusminus_insn>v4sf3): Likewise.
922 (*sse2_pmaddwd): Likewise.
923 (*vec_extractv2di_1_rex64): Likewise.
924 (*vec_extractv2di_1_avx): Likewise.
925 (sse2_psadbw): Likewise.
926 (ssse3_phaddwv8hi3): Likewise.
927 (ssse3_phaddwv4hi3): Likewise.
928 (ssse3_phadddv4si3): Likewise.
929 (ssse3_phadddv2si3): Likewise.
930 (ssse3_phaddswv8hi3): Likewise.
931 (ssse3_phaddswv4hi3): Likewise.
932 (ssse3_phsubwv8hi3): Likewise.
933 (ssse3_phsubwv4hi3): Likewise.
934 (ssse3_phsubdv4si3): Likewise.
935 (ssse3_phsubdv2si3): Likewise.
936 (ssse3_phsubswv8hi3): Likewise.
937 (ssse3_phsubswv4hi3): Likewise.
938 (ssse3_pmaddubsw128): Likewise.
939 (sse3_pmaddubsw: Likewise.
940 (ssse3_palignrti): Likewise.
941 (ssse3_palignrdi): Likewise.
943 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
945 * doc/install.texi (Specific): Fix two cross-references to MinGW.
947 2009-04-06 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/28868
950 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
951 of which PHI results we inserted.
952 (insert_into_preds_of_block): Record inserted PHIs.
953 (eliminate): Eliminate redundant PHI nodes.
954 (init_pre): Init inserted_phi_names.
956 2009-04-06 Richard Guenther <rguenther@suse.de>
958 PR tree-optimization/39643
959 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
960 IMAGPART_EXPRs of complex constants.
961 (execute_fold_all_builtins): If we folded a call queue
962 TODO_update_address_taken.
964 2009-04-06 Jan Hubicka <jh@suse.cz>
967 * except.c (remove_unreachable_regions): Propagate may_contain_throw
970 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
972 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
974 (ic_invalidate_array): Likewise.
976 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
978 * calls.c (emit_library_call_value_1): Fix a problem with parameter
979 alignment for library calls.
981 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
983 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
984 (mingw32 tm clause use_gcc_stdint): Set to wrap.
985 * config/i386/mingw-stdint.h: New file.
987 2009-04-05 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/39648
990 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
991 our &A vs. &A[0] IL deficiencies.
993 2009-04-04 Jan Hubicka <jh@suse.cz>
995 * except.c (sjlj_find_directly_reachable_regions): Be ready for
996 removed toplevel regions.
997 (sjlj_mark_call_sites): Likewise.
999 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1001 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1002 (cygwin tm clause use_gcc_stdint): Set to wrap.
1003 * config/i386/cygwin-stdint.h: New file.
1005 2009-04-04 Richard Guenther <rguenther@suse.de>
1007 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1008 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1009 single-argument PHIs if we are in loop-closed SSA form.
1010 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1011 for the pre-condition.
1012 (slpeel_tree_peel_loop_to_edge): Likewise.
1013 (vect_build_loop_niters): Take an optional sequence to append stmts.
1014 (vect_generate_tmps_on_preheader): Likewise.
1015 (vect_do_peeling_for_loop_bound): Take extra guards for the
1017 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1018 the cost model check.
1019 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1020 guards if we are going to peel. Do not apply versioning in that case.
1021 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1022 (vect_do_peeling_for_loop_bound): Likewise.
1023 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1024 loop bound only record extra pre-conditions, do not apply loop
1027 2009-04-04 Richard Guenther <rguenther@suse.de>
1029 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1032 2009-04-04 Jan Hubicka <jh@suse.cz>
1034 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1035 last_basic_block for size of bb->index indexed array.
1036 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1037 compute_out, link_btr_uses, build_btr_def_use_webs,
1038 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1040 2009-04-04 Jan Hubicka <jh@suse.cz>
1042 * except.c (remove_eh_handler_and_replace): Break out from ...
1043 (remove_eh_handler): ... here.
1044 (bring_to_root): New function.
1045 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1046 handled ones, bring others to root of tree.
1048 2009-04-04 Jan Hubicka <jh@suse.cz>
1050 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1051 (all_phis_safe_to_merge): New function.
1052 (update_info): New structure.
1053 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1054 (cleanup_empty_eh): Update SSA if possible.
1056 2009-04-04 Richard Guenther <rguenther@suse.de>
1058 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1059 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1060 (append_vuse): Likewise.
1062 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1064 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1065 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1066 instead of REG_UNSAVED for DW_CFA_undefined.
1067 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1068 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1071 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1074 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1075 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1076 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1078 2009-04-04 Richard Guenther <rguenther@suse.de>
1080 PR tree-optimization/8781
1081 PR tree-optimization/37892
1082 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1083 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1084 (valueize_refs): Call it for *& valueizations.
1085 (shared_reference_ops_from_ref): Rename to ...
1086 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1087 (shared_reference_ops_from_call): Rename to ...
1088 (valueize_shared_reference_ops_from_call): ... this and valueize.
1089 (vn_reference_lookup): Update.
1090 (visit_reference_op_call): Likewise.
1091 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1092 (eliminate): Value-replace the call address in call statements.
1094 2009-04-04 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/39636
1097 * tree-ssa-forwprop.c
1098 (forward_propagate_addr_into_variable_array_index): Check for
1099 GIMPLE_ASSIGN before accessing the rhs code.
1101 2009-04-03 Jason Merrill <jason@redhat.com>
1103 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1105 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1107 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1108 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1109 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1110 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1111 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1112 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1113 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1114 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1115 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1116 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1117 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1118 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1119 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1120 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1121 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1122 Use fr_reg_or_fp01_operand instead of fr_register_operand
1124 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1125 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1126 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1128 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1130 PR rtl-optimization/39607
1131 PR rtl-optimization/39631
1135 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1136 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1137 instead of DF_LR_OUT.
1138 * ira-lives.c (process_bb_node_lives): Ditto.
1139 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1140 instead of DF_LR_{OUT,IN}.
1141 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1142 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1144 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1146 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1147 (execute_lower_omp): Always run but take the short way out if -fopenmp
1149 (gate_lower_omp): Remove, forcing the pass manager to always run the
1150 pass and always set PROP_gimple_lomp.
1151 (pass_lower_omp): Remove gate function.
1152 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1153 PROP_trees. Instead, require it.
1154 * ipa-cp.c (pass_ipa_cp): Likewise.
1155 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1156 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1157 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1158 and PROP_gimple_leh.
1160 2009-04-03 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/23940
1164 PR tree-optimization/33237
1167 PR tree-optimization/36201
1168 PR tree-optimization/36230
1169 PR tree-optimization/38049
1170 PR tree-optimization/38207
1171 PR tree-optimization/38230
1172 PR tree-optimization/38301
1173 PR tree-optimization/38585
1175 PR tree-optimization/38985
1176 PR tree-optimization/39299
1177 * tree-ssa-structalias.h: Remove.
1178 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1179 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1180 (struct vuse_element_d): Remove.
1181 (struct vuse_vec_d): Likewise.
1182 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1183 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1184 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1185 VUSE_ELEMENT_VAR): Likewise.
1186 (struct voptype_d): Likewise.
1187 (NUM_VOP_FREE_BUCKETS): Likewise.
1188 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1189 (struct stmt_operands_d): Remove.
1190 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1191 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1192 VDEF_NUM, VDEF_VECT): Likewise.
1193 (copy_virtual_operands): Remove.
1194 (operand_build_cmp): Likewise.
1195 (create_ssa_artificial_load_stmt): Likewise.
1196 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1197 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1198 vuse_index and mayuse_index members. Pack and move done and iter_type
1199 members to the front.
1200 (SSA_OP_VMAYUSE): Remove.
1201 (SSA_OP_VIRTUAL_USES): Adjust.
1202 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1203 (unlink_stmt_vdef): Declare.
1204 (add_to_addressable_set): Remove.
1205 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1206 (vrp_visit_stmt): Likewise.
1207 * doc/tree-ssa.texi (Alias analysis): Update.
1208 * doc/invoke.texi (max-aliased-vops): Remove docs.
1209 (avg-aliased-vops): Likewise.
1210 * tree-into-ssa.c (syms_to_rename): Remove.
1211 (need_to_update_vops_p): Likewise.
1212 (need_to_initialize_update_ssa_p): Rename to ...
1213 (update_ssa_initialized_fn): ... this. Track function we are
1215 (symbol_marked_for_renaming): Simplify.
1216 (add_new_name_mapping): Do not set need_to_update_vops_p.
1217 (dump_currdefs): Use SYMS_TO_RENAME.
1218 (rewrite_update_stmt): Always walk all uses/defs.
1219 (dump_update_ssa): Adjust.
1220 (init_update_ssa): Take function argument. Track what we are
1222 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1223 (create_new_def_for): Initialize for cfun, assert we are initialized
1225 (mark_sym_for_renaming): Simplify.
1226 (mark_set_for_renaming): Do not initialize update-ssa.
1227 (need_ssa_update_p): Simplify. Take function argument.
1228 (name_mappings_registered_p): Assert we ask for the correct function.
1229 (name_registered_for_update_p): Likewise.
1230 (ssa_names_to_replace): Likewise.
1231 (release_ssa_name_after_update_ssa): Likewise.
1232 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1233 (dump_decl_set): Do not print a newline.
1234 (debug_decl_set): Do it here.
1235 (dump_update_ssa): And here.
1236 * tree-ssa-loop-im.c (move_computations): Adjust.
1237 (movement_possibility): Likewise.
1238 (determine_max_movement): Likewise.
1239 (gather_mem_refs_stmt): Likewise.
1240 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1242 * tree-complex.c (update_all_vops): Remove.
1243 (expand_complex_move): Adjust.
1244 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1245 Simplify test for memory referencing statement. Exclude
1246 non-invariant ADDR_EXPRs.
1247 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1248 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1249 (rdg_flag_uses): Likewise.
1250 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1252 (tree_optimize_tail_calls_1): Also split the
1253 edge from the entry block if we have degenerate PHI nodes in
1254 the first basic block.
1255 * tree.c (init_ttree): Remove memory-tag related code.
1256 (tree_code_size): Likewise.
1257 (tree_node_structure): Likewise.
1258 (build7_stat): Re-write to be build6_stat.
1259 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1260 (SSA_VAR_P): Adjust.
1261 (struct tree_memory_tag): Remove.
1262 (struct tree_memory_partition_tag): Likewise.
1263 (union tree_node): Adjust.
1264 (build7): Re-write to be build6.
1265 * tree-pass.h (pass_reset_cc_flags): Remove.
1266 (TODO_update_address_taken): New flag.
1267 (pass_simple_dse): Remove.
1268 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1269 * params.h (MAX_ALIASED_VOPS): Remove.
1270 (AVG_ALIASED_VOPS): Likewise.
1271 * omp-low.c (expand_omp_taskreg): Update SSA form.
1272 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1273 aliases the lhs in a copy stmt.
1274 * tree-ssa-dse.c (struct address_walk_data): Remove.
1275 (memory_ssa_name_same): Likewise.
1276 (memory_address_same): Likewise.
1277 (get_kill_of_stmt_lhs): Likewise.
1278 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1279 unused stores. Look through PHI nodes into post-dominated regions.
1280 (dse_optimize_stmt): Simplify. Properly remove stores.
1281 (tree_ssa_dse): Compute dominators.
1282 (execute_simple_dse): Remove.
1283 (pass_simple_dse): Likewise.
1284 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1285 gimple_loaded_syms and gimple_stored_syms computation.
1286 * toplev.c (dump_memory_report): Dump alias and pta stats.
1287 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1288 (vn_reference_eq): Likewise.
1289 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1290 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1291 valueize_vuses): Remove.
1292 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1293 (get_def_ref_stmt_vuse): ... this.
1294 (vn_reference_lookup_2): New function.
1295 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1296 walking equivalent vuses. Simplify.
1297 (vn_reference_lookup): Likewise.
1298 (vn_reference_insert): Likewise.
1299 (vn_reference_insert_pieces): Likewise.
1300 (visit_reference_op_call): Simplify.
1301 (visit_reference_op_load): Likewise.
1302 (visit_reference_op_store): Likewise.
1303 (init_scc_vn): Remove shared_lookup_vuses initialization.
1304 (free_scc_vn): Remove shared_lookup_vuses freeing.
1305 (sort_vuses, sort_vuses_heap): Remove.
1306 (get_ref_from_reference_ops): Export.
1307 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1308 vector with single vuse pointer.
1309 (vn_reference_lookup_pieces, vn_reference_lookup,
1310 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1311 (shared_vuses_from_stmt): Remove.
1312 (get_ref_from_reference_ops): Declare.
1313 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1314 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1315 memory-tag related code.
1316 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1317 (likely_value): Add comment, skip static-chain of call statements.
1318 (surely_varying_stmt_p): Adjust.
1319 (gimplify_and_update_call_from_tree): Likewise.
1320 (execute_fold_all_builtins): Do not rebuild alias info.
1321 (gimplify_and_update_call_from_tree): Properly update VOPs.
1322 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1323 (copy_ref_info): Remove memory-tag related code.
1324 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1325 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1326 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1328 * tree-ssa-dom.c (gimple_p): Remove typedef.
1329 (eliminate_redundant_computations): Adjust.
1330 (record_equivalences_from_stmt): Likewise.
1331 (avail_expr_hash): Likewise.
1332 (avail_expr_eq): Likewise.
1333 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1334 (stmt_makes_single_load): Likewise.
1335 (stmt_makes_single_store): Likewise.
1336 * tree-ssa-alias.c: Rewrite completely.
1337 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1338 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1339 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1340 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1341 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1342 Remove public functions.
1343 (pass_reset_cc_flags): Remove.
1344 (pass_build_alias): Move ...
1345 * tree-ssa-structalias.c (pass_build_alias): ... here.
1346 * tree-ssa-alias.c (may_be_aliased): Move ...
1347 * tree-flow-inline.h (may_be_aliased): ... here.
1348 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1349 count_uses_and_derefs): Move ...
1350 * gimple.c: ... here.
1351 * gimple.h (count_uses_and_derefs): Declare.
1352 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1353 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1354 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1355 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1356 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1357 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1358 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1360 * tree-dfa.c (refs_may_alias_p): Move ...
1361 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1362 * tree-ssa-alias.h: New file.
1363 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1364 (statement_sink_location): Likewise.
1365 * opts.c (decode_options): Do not adjust max-aliased-vops or
1366 avg-aliased-vops values.
1367 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1368 (TV_CALL_CLOBBER): Likewise.
1369 (TV_FLOW_SENSITIVE): Likewise.
1370 (TV_FLOW_INSENSITIVE): Likewise.
1371 (TV_MEMORY_PARTITIONING): Likewise.
1372 (TV_ALIAS_STMT_WALK): New timevar.
1373 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1374 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1375 (get_address_description): Remove memory-tag related code.
1376 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1377 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1378 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1379 and immediate uses in statements. Document.
1380 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1381 (dump_symbols): Remove.
1382 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1383 * alias.c (get_deref_alias_set): New function split out from ...
1384 (get_alias_set): ... here.
1385 * alias.h (get_deref_alias_set): Declare.
1386 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1387 type parameter. Remove restrict pointer handling. Create a
1388 ref-all pointer in case type-based alias sets do not conflict.
1389 (vect_analyze_data_refs): Remove SMT related code.
1390 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1391 (vectorizable_load): Likewise.
1392 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1393 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1394 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1395 Ignore vops and SMTs.
1396 (dr_analyze_alias): Likewise..
1397 (free_data_ref): Likewise.
1398 (create_data_ref): Likewise.
1399 (analyze_all_data_dependences): Likewise.
1400 (get_references_in_stmt): Adjust.
1401 * tree-flow-inline.h (gimple_aliases_computed_p,
1402 gimple_addressable_vars, gimple_call_clobbered_vars,
1403 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1404 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1405 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1406 gimple_mem_ref_stats): Remove.
1407 (gimple_vop): New function.
1408 (op_iter_next_use): Remove vuses and mayuses cases.
1409 (op_iter_next_def): Remove vdefs case.
1410 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1411 (clear_and_done_ssa_iter): Do not set removed fields.
1412 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1413 Assert we are not iterating over vuses or vdefs if not also
1414 iterating over uses or defs.
1415 (op_iter_init_use): Likewise.
1416 (op_iter_init_def): Likewise.
1417 (op_iter_next_vdef): Remove.
1418 (op_iter_next_mustdef): Likewise.
1419 (op_iter_init_vdef): Likewise.
1420 (compare_ssa_operands_equal): Likewise.
1421 (link_use_stmts_after): Handle vuse operand.
1422 (is_call_used): Use is_call_clobbered.
1423 (is_call_clobbered): Global variables are always call clobbered,
1424 query the call-clobbers bitmap.
1425 (mark_call_clobbered): Ignore global variables.
1426 (clear_call_clobbered): Likewise.
1427 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1428 virtual operands sanity check.
1429 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1431 (TARGET_MEM_REF): Remove TMR_TAG operand.
1432 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1433 Remove call-clobber related code.
1434 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1435 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1436 partitions or escape reason.
1437 (get_single_def_stmt, get_single_def_stmt_from_phi,
1438 get_single_def_stmt_with_phi): Remove.
1439 (dump_referenced_vars): Tidy.
1440 (get_ref_base_and_extent): Allow bare decls.
1441 (collect_dfa_stats): Adjust.
1442 * graphite.c (rename_variables_in_stmt): Adjust.
1443 (graphite_copy_stmts_from_block): Likewise.
1444 (translate_clast): Likewise.
1445 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1447 (translate_vuse_through_block): Use the oracle.
1448 (phi_translate_1): Adjust.
1449 (value_dies_in_block_x): Use the oracle. Cache the outcome
1451 (valid_in_sets): Check if the VUSE for
1452 a REFERENCE is available.
1453 (eliminate): Do not remove stmts during elimination,
1454 instead queue and remove them afterwards.
1455 (do_pre): Do not rebuild alias info.
1456 (pass_pre): Run TODO_rebuild_alias before PRE.
1457 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1458 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1459 (mark_all_v_defs_stmt): Remove.
1460 (mark_all_v_defs_seq): Adjust.
1461 (sra_replace): Likewise.
1462 (scalarize_use): Likewise.
1463 (scalarize_copy): Likewise.
1464 (scalarize_init): Likewise.
1465 (scalarize_ldst): Likewise.
1466 (todoflags): Remove.
1467 (tree_sra): Do not rebuild alias info.
1468 (tree_sra_early): Adjust.
1469 (pass_sra): Run TODO_update_address_taken before SRA.
1470 * tree-predcom.c (set_alias_info): Remove.
1471 (prepare_initializers_chain): Do not call it.
1472 (mark_virtual_ops_for_renaming): Adjust.
1473 (mark_virtual_ops_for_renaming_list): Remove.
1474 (initialize_root_vars): Adjust.
1475 (initialize_root_vars_lm): Likewise.
1476 (prepare_initializers_chain): Likewise.
1477 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1478 (may_propagate_copy_into_stmt): Likewise.
1479 (merge_alias_info): Do nothing for now.
1480 (propagate_tree_value_into_stmt): Adjust.
1481 (stmt_may_generate_copy): Likewise.
1482 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1483 not mark symbols for renaming.
1484 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1485 with the same statement, make sure to update the new pointed-to one.
1486 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1487 call statements, do not mark symbols for renaming.
1488 (mark_operand_necessary): Dump something.
1489 (ref_may_be_aliased): New function.
1490 (mark_aliased_reaching_defs_necessary_1): New helper function.
1491 (mark_aliased_reaching_defs_necessary): Likewise.
1492 (mark_all_reaching_defs_necessary_1): Likewise.
1493 (mark_all_reaching_defs_necessary): Likewise.
1494 (propagate_necessity): Do not process virtual PHIs. For
1495 non-aliased loads mark all reaching definitions as necessary.
1496 For aliased loads and stores mark the immediate dominating
1497 aliased clobbers as necessary.
1498 (visited): New global static.
1499 (perform_tree_ssa_dce): Free visited bitmap after propagating
1501 (remove_dead_phis): Perform simple dead virtual PHI removal.
1502 (remove_dead_stmt): Properly unlink virtual operands when
1504 (eliminate_unnecessary_stmts): Schedule PHI removal after
1506 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1507 (process_replaceable): Likewise.
1508 (find_replaceable_in_bb): Likewise.
1509 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1510 based on the single gimple vop.
1511 (verify_flow_insensitive_alias_info): Remove.
1512 (verify_flow_sensitive_alias_info): Likewise.
1513 (verify_call_clobbering): Likewise.
1514 (verify_memory_partitions): Likewise.
1515 (verify_alias_info): Likewise.
1516 (verify_ssa): Adjust..
1517 (execute_update_addresses_taken): Export. Update SSA
1518 manually. Optimize only when optimizing. Use a local bitmap.
1519 (pass_update_address_taken): Remove TODO_update_ssa, add
1521 (pass_update_address_taken): Just use TODO_update_address_taken.
1522 (init_tree_ssa): Do not initialize addressable_vars.
1523 (verify_ssa): Verify new VUSE / VDEF properties.
1524 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1525 Do not call verify_alias_info.
1526 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1527 Do not free the loaded and stored syms bitmaps. Reset the escaped
1528 and callused solutions. Do not free addressable_vars.
1529 Remove memory-tag related code.
1530 (warn_uninitialized_var): Aliases are always available.
1531 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1532 * lambda-code.c (can_put_in_inner_loop): Adjust.
1533 (can_put_after_inner_loop): Likewise.
1534 (perfect_nestify): Likewise.
1535 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1536 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1537 (vectorizable_conversion): Do not mark symbols for renaming.
1538 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1539 (expand_call_inline): Unlink the calls virtual operands before
1541 (tree_function_versioning): Do not call update_ssa if we are not
1542 updating clones. Simplify.
1543 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1544 (propagate_with_phi): Likewise..
1545 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1546 clobber code. Assert we are not aliased or global.
1547 * tree-flow.h: Include tree-ssa-alias.h
1548 (enum escape_type): Remove.
1549 (struct mem_sym_stats_d): Likewise.
1550 (struct mem_ref_stats_d): Likewise.
1551 (struct gimple_df): Add vop member. Remove global_var,
1552 call_clobbered_vars, call_used_vars, addressable_vars,
1553 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1554 escaped and callused members.
1555 (struct ptr_info_def): Remove all members, add points-to solution
1557 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1558 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1559 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1560 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1561 (tree-ssa-alias.o): Likewise.
1562 (toplev.o): Add tree-ssa-alias.h
1563 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1564 * gimple.c (gimple_set_bb): Fix off-by-one error.
1565 (is_gimple_reg): Do not handle memory tags.
1566 (gimple_copy): Also copy virtual operands.
1567 Delay updating the statement. Do not reset loaded and stored syms.
1568 (gimple_set_stored_syms): Remove.
1569 (gimple_set_loaded_syms): Likewise.
1570 (gimple_call_copy_skip_args): Copy the virtual operands
1571 and mark the new statement modified.
1572 * tree-ssa-structalias.c (may_alias_p): Remove.
1573 (set_uids_in_ptset): Take the alias set to prune with as
1574 parameter. Fold in the alias test of may_alias_p.
1575 (compute_points_to_sets): Compute whether a ptr is dereferenced
1577 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1578 other ADDRESSOF constraints on the lhs.
1579 (get_constraint_for_component_ref): Assert that we don't get
1580 ADDRESSOF constraints from the base of the reference.
1581 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1582 (struct variable_info): Remove collapsed_to member.
1583 (get_varinfo_fc): Remove.
1584 (new_var_info): Do not set collapsed_to.
1585 (dump_constraint): Do not follow cycles.
1586 (dump_constraint_graph): Likewise.
1587 (build_pred_graph): Likewise.
1588 (build_succ_graph): Likewise.
1589 (rewrite_constraints): Likewise.
1590 (do_simple_structure_copy): Remove.
1591 (do_rhs_deref_structure_copy): Remove.
1592 (do_lhs_deref_structure_copy): Remove.
1593 (collapse_rest_of_var): Remove.
1594 (do_structure_copy): Re-implement.
1595 (pta_stats): New global variable.
1596 (dump_pta_stats): New function.
1597 (struct constraint_expr): Make offset signed.
1598 (UNKNOWN_OFFSET): Define special value.
1599 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1600 (solution_set_expand): New helper function split out from ...
1601 (do_sd_constraint): ... here.
1602 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1603 (do_ds_constraint): Likewise.
1604 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1605 and CALLUSED = *CALLUSED.
1606 (set_union_with_increment): Make inc argument signed.
1607 (type_safe): Remove.
1608 (get_constraint_for_ptr_offset): Handle unknown and negative
1610 (first_vi_for_offset): Handle offsets before start. Bail
1611 out early for offsets beyond the variable extent.
1612 (first_or_preceding_vi_for_offset): New function.
1613 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1614 Together with ESCAPED = *ESCAPED this properly computes reachability.
1615 (find_what_var_points_to): New function.
1616 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1617 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1618 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1619 pt_solutions_intersect): New functions.
1620 (compute_call_used_vars): Remove.
1621 (compute_may_aliases): New main entry into PTA computation.
1622 * gimple.h (gimple_p): New typedef.
1623 (struct gimple_statement_base): Remove references_memory_p.
1624 (struct gimple_statement_with_memory_ops_base): Remove
1625 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1627 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1628 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1629 gimple_set_references_memory): Remove.
1630 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1631 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1633 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1634 (verify_expr): Allow RESULT_DECL.
1635 (gimple_duplicate_bb): Do not copy virtual operands.
1636 (gimple_duplicate_sese_region): Adjust.
1637 (gimple_duplicate_sese_tail): Likewise.
1638 (mark_virtual_ops_in_region): Remove.
1639 (move_sese_region_to_fn): Do not call it.
1640 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1641 and pass_simple_dse.
1642 (execute_function_todo): Handle TODO_update_address_taken,
1643 call execute_update_addresses_taken for TODO_rebuild_alias.
1644 (execute_todo): Adjust.
1645 (execute_one_pass): Init dump files early.
1646 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1648 (create_general_new_stmt): Clear vops.
1649 * tree-ssa-reassoc.c (get_rank): Adjust.
1650 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1651 symbols for renaming.
1652 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1653 (PARAM_AVG_ALIASED_VOPS): Likewise.
1654 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1655 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1656 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1657 (operand_build_cmp, copy_virtual_operands,
1658 create_ssa_artificial_load_stmt, add_to_addressable_set,
1659 gimple_add_to_addresses_taken): Remove public functions.
1660 (unlink_stmt_vdef): New function.
1662 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1664 * config.gcc (powerpc-*-linux*): Merge variants.
1666 2009-04-02 Chao-ying Fu <fu@mips.com>
1667 James Grosbach <james.grosbach@microchip.com>
1669 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1670 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1672 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1673 keep_interrupts_masked_p, use_debug_exception_return_p.
1674 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1675 keep_interrupts_masked, use_debug_exception_return.
1676 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1677 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1679 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1680 (mips_print_operand): Process COP0 registers to print $0 .. $31
1681 correctly for GAS to process.
1682 (mips_interrupt_extra_call_saved_reg_p): New function.
1683 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1685 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1686 (mips_compute_frame_info): Add supports for interrupt context that
1687 includes doubleword accumulators and COP0 registers.
1688 (mips_for_each_saved_acc): New function.
1689 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1690 mips_for_each_saved_reg.
1691 (mips_save_reg): Save accumulators.
1692 (mips_kernel_reg_p): A new for_each_rtx callback.
1693 (mips_expand_prologue): Support interrupt handlers.
1694 (mips_restore_reg): Restore accumulators.
1695 (mips_expand_epilogue): Support interrupt handlers.
1696 (mips_can_use_return_insn): Return false for interrupt handlers.
1697 (mips_epilogue_uses): New function.
1698 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1699 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1700 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1701 cop0_move): New instructions.
1702 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1703 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1705 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1707 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1708 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1709 interrupt handlers, we use K0 as the temporary register.
1710 (EPILOGUE_USES): Change to a function call.
1711 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1712 handlers, we use K0 as the temporary register.
1714 * doc/extend.texi (Function Attributes): Document interrupt,
1715 use_shadow_register_set, keep_interrupts_masked,
1716 use_debug_exception_return for MIPS attributes.
1718 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1720 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1721 Remove a number of t-files from tmake_file.
1722 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1723 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1724 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1725 target_prototype, not TARGET_PROTOTYPE.
1726 (LINK_OS_GNU_SPEC): Define.
1727 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1728 and darwin-ldoubdle.c.
1730 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1733 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1734 (cpp_options): Ditto.
1735 (default_compilers): Ditto.
1736 (display_help): Ditto.
1737 (process_command): Ditto.
1739 (set_input): Use lbasename instead of duplicate code.
1740 (save_temps_prefix): New static for -save-temps=obj.
1741 (save_temps_length): Ditto.
1743 * doc/invoke.texi (-save-temps=obj): Document new variant to
1746 2009-04-02 Jeff Law <law@redhat.com>
1748 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1751 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1753 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1754 * configure: Regenerated.
1756 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1758 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1759 share the argument list.
1761 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1765 2009-02-12 Diego Novillo <dnovillo@google.com>
1767 * varpool.c (debug_varpool): New.
1768 * cgraph.h (debug_varpool): Declare.
1770 2009-04-02 Jan Hubicka <jh@suse.cz>
1772 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1775 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1777 * config/i386/i386.c (ix86_abi): Move initialization to ...
1778 (override_options): Here.
1780 2009-04-02 Christian Bruel <christian.bruel@st.com>
1782 * config/sh/sh.c (sh_dwarf_register_span): New function.
1783 (TARGET_DWARF_REGISTER_SPAN): Define.
1784 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1786 2009-04-02 Ira Rosen <irar@il.ibm.com>
1788 PR tree-optimization/39595
1789 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1790 interleaved loads group is not greater than the SLP group size.
1792 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1794 * builtins.c (is_builtin_name): New.
1795 (called_as_built_in): Use is_builtin_name.
1796 * tree.h (is_builtin_name): New.
1797 * varasm.c (incorporeal_function_p): Use is_builtin_name
1799 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1801 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1803 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1806 * c-decl.c: (clone_underlying_type): Move this ...
1807 * c-common.c (set_underlying_type): ... here.
1808 Also, make sure the function properly sets TYPE_STUB_DECL() on
1809 the newly created typedef variant type.
1810 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1811 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1814 2009-04-02 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/37221
1817 * tree-flow.h (degenerate_phi_result): Declare.
1818 * tree-ssa-dom.c (degenerate_phi_result): Export.
1819 * tree-scalar-evolution.c (analyze_initial_condition): If
1820 the initial condition is defined by a degenerate PHI node
1821 use the degenerate value.
1823 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1825 PR rtl-optimization/39588
1826 * combine.c (merge_outer_ops): Do not set the constant when this
1828 (simplify_shift_const_1): Do not modify it either in this case.
1830 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1832 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1833 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1835 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1838 * c-lex.c (interpret_float): Default (no suffix) is double.
1840 2009-04-1 Xinliang David Li <davidxl@google.com>
1842 * config/i386/i386.c (legitimate_constant_p): Recognize
1843 all one vector constant.
1845 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1847 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1848 Change #include order to silence two warnings.
1850 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1852 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1853 (ASM_SPEC): Pass -k to the assembler for PIC code.
1855 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1857 * gcc/config.gcc: Add vax-*-linux* to the switch.
1858 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1859 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1861 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1863 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1864 Use predicate macros instead of GET_CODE() == foo.
1865 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1866 ashlsi3, rotrsi3, <unnamed>): Likewise.
1868 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1870 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1871 jbbccihi, jbbccisi): Remova trailing whitespace.
1872 * gcc/config/vax/constraints.md: Likewise.
1873 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1874 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1875 * gcc/config/vax/predicates.md: Likewise.
1876 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1877 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1878 * gcc/config/vax/vax.h: Likewise.
1879 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1881 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1883 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1884 (indirectable_address_p, adjacent_operands_p): Add spaces around
1886 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1888 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1890 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1891 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1892 index_term_p, reg_plus_index_p, legitimate_address_p,
1893 vax_mode_dependent_address_p): Update comments to match functions
1894 modified by the recent int->bool conversion.
1896 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1898 * gcc/config/vax/builtins.md: Update copyright message.
1899 * gcc/config/vax/constraints.md: Likewise.
1900 * gcc/config/vax/netbsd-elf.h: Likewise.
1901 * gcc/config/vax/predicates.md: Likewise.
1902 * gcc/config/vax/vax-protos.h: Likewise.
1903 * gcc/config/vax/vax.c: Likewise.
1904 * gcc/config/vax/vax.h: Likewise.
1905 * gcc/config/vax/vax.md: Likewise.
1906 * gcc/config/vax/vax.opt: Likewise.
1908 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1910 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1911 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1912 * gcc/config/vax/constraints.md (B, R): Likewise.
1913 * gcc/config/vax/predicates.md (external_memory_operand,
1914 nonimmediate_addsub_di_operand): Likewise.
1915 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1916 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1917 untyped_call): Likewise.
1919 2009-04-01 Matt Thomas <matt@3am-software.com>
1921 * config/vax/predicates.md: New file.
1922 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
1923 external_const_operand, nonsymbolic_operand, external_memory_operand,
1924 indirect_memory_operand, indexed_memory_operand,
1925 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1926 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1928 * config/vax/constraints.md: New file.
1929 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
1931 * config/vax/builtins.md: New file.
1932 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
1933 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
1935 * config/vax/vax.opt (mqmath): Add option.
1936 * config/vax/vax.md (isfx): Extend with DI.
1937 (VAXintQH, VAXintQHSD): Define.
1938 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1939 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1940 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1941 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1942 (movdi): Update constraints and use vax_output_int_move().
1943 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1944 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1945 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1946 nonlocal_goto): New.
1947 (mov<mode>): Extend accepted operand types.
1948 (subdi3_old): Rename from subdi3, change update constraints and use
1949 a new implementation.
1950 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1951 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1952 MOVE_RATIO, CLEAR_RATIO): Define.
1953 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1954 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1955 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1956 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1957 (split_quadword_operands): Make static and really allow variable
1959 (print_operand_address): Update for PIC generation.
1960 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1961 indexable_address_p, fixup_mathdi_operand,
1962 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1963 (vax_float_literal, legitimate_constant_p,
1964 indirectable_constant_address_p, index_term_p,
1965 reg_plus_index_p): Return bool instead of int.
1966 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1968 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1970 (vax_output_conditional_branch): Indent.
1971 (legitimate_constant_address_p, indirectable_constant_address_p,
1972 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1973 vax_mode_dependent_address_p): Return bool instead of int, update for
1975 * config/vax/vax-protos.h (legitimate_constant_address_p,
1976 legitimate_constant_p, legitimate_address_p,
1977 vax_mode_dependent_address_p): Change declaration to bool.
1978 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1979 vax_expand_addsub_di_operands, vax_output_int_subtract,
1980 vax_output_movmemsi): Declare.
1981 (split_quadword_operands, vax_float_literal): Delete declaration.
1982 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1983 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1984 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1985 ASM_OUTPUT_DWARF_PCREL): Define.
1986 (ASM_SPEC): Change definition to allow PIC generation.
1988 2009-04-01 Steve Ellcey <sje@cup.hp.com>
1990 * doc/sourcebuild.texi: Update front-end requirements.
1992 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1995 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1996 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1997 (booldi3_internal3): Use boolean_or_operator instead of
2000 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2003 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2004 declarator whose size is not an integer constant expression but
2005 folds to an integer constant, then treat it as a constant
2008 2009-04-01 Richard Guenther <rguenther@suse.de>
2010 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2011 i * 4 + 2 to (i * 2 + 1) * 2.
2013 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2016 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2017 return if c_parser_asm_string_literal returned NULL.
2019 2009-04-01 Nick Clifton <nickc@redhat.com>
2021 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2023 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2024 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2025 other typedefs to avoid conflicts with libgcc2.c. Define labels
2026 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2028 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2029 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2032 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2034 * varasm.c (default_function_rodata_section): Declare DOT as
2037 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2038 Andrey Galkin <agalkin@hypercom.com>
2041 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2042 Make object_name unique for each process.
2044 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2047 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2048 addressable variables in the parallel that could go out of scope while
2049 running queued tasks.
2051 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2053 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2054 (CASE_VALUES_THRESHOLD): Redefine.
2055 * config/avr/avr.c (avr_override_options): Remove initialization of
2056 avr_case_values_threshold variable.
2057 (avr_case_values_threshold): Remove variable. Add new function.
2058 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2059 * config/avr/avr.opt (mno-tablejump): Remove option.
2060 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2062 2009-04-01 DJ Delorie <dj@redhat.com>
2064 * varasm.c (default_function_rodata_section): Don't assume
2065 anything about where the first '.' in the section name is.
2067 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2069 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2070 rs6000_emit_stack_tie.
2072 2009-03-31 Ian Lance Taylor <iant@google.com>
2074 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2075 gimple_code with GIMPLE_RESX, not RESX.
2077 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2079 * c-common.c (c_get_ident): New.
2080 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2082 2009-04-01 Ben Elliston <bje@au.ibm.com>
2084 * config/rs6000/sysv4.opt (msdata): Improve option description.
2086 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2088 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2089 (divdf3_internal_lat): Remove.
2090 (divxf3_internal_lat): Remove.
2091 (divxf3_internal_thr): Remove.
2092 (divxf): Use divxf3_internal.
2093 * config/ia64/div.md (divsf3_internal_lat): New.
2094 (divdf3_internal_lat): New.
2095 (divxf3_internal): New.
2097 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2100 * Makefile.in (USE_GCC_STDINT): Define.
2101 (stmp-int-hdrs): Install stdint.h if applicable.
2102 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2104 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2105 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2106 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2107 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2108 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2109 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2110 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2111 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2112 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2113 (c_common_nodes_and_builtins): Initialize
2114 underlying_wchar_type_node. Do not initialize
2115 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2116 nodes for new types.
2117 (c_stddef_cpp_builtins): Define macros for new types.
2118 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2120 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2121 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2122 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2123 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2124 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2125 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2126 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2127 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2128 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2129 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2130 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2131 int16_type_node, int32_type_node, int64_type_node,
2132 uint8_type_node, uint16_type_node, c_uint32_type_node,
2133 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2134 int_least32_type_node, int_least64_type_node,
2135 uint_least8_type_node, uint_least16_type_node,
2136 uint_least32_type_node, uint_least64_type_node,
2137 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2138 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2139 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2140 uintptr_type_node): Define.
2141 * c-cppbuiltin.c (builtin_define_constants,
2142 builtin_define_type_minmax): New.
2143 (builtin_define_stdint_macros): Define more macros.
2144 (c_cpp_builtins): Define more limit macros.
2146 (builtin_define_type_max): Define in terms of
2147 builtin_define_type_minmax. Remove is_long parameter. All
2149 * config.gcc (use_gcc_stdint): Define.
2150 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2151 Add newlib-stdint.h for generic targets.
2152 * config/glibc-stdint.h, config/newlib-stdint.h,
2153 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2154 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2155 * config/score/score.h (UINTPTR_TYPE): Define.
2156 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2157 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2158 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2159 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2160 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2161 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2162 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2163 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2164 * config/spu/spu.h (STDINT_LONG32): Define.
2165 * configure.ac (use_gcc_stdint): Substitute.
2166 * configure: Regenerate.
2167 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2168 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2169 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2170 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2171 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2172 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2173 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2174 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2175 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2176 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2177 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2178 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2179 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2180 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2181 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2182 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2183 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2184 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2185 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2186 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2187 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2188 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2189 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2190 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2191 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2192 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2193 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2194 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2195 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2197 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2199 * loop-iv.c (suitable_set_for_replacement): Renamed from
2200 simplify_using_assignment; changed to return bool and to accept new
2201 args DEST and SRC. Return true iff we find a source/destination pair
2202 that can be used to make a replacement, and fill SRC and DEST if so.
2203 Remove arg ALTERED. Don't deal with altered regs here. All callers
2205 (simplify_using_initial_values): Deal with altered regs here and track
2206 more precisely the effect they have on the validity of our expression.
2208 * loop-iv.c (simplify_using_condition): A condition of the form
2209 (EQ REG CONST) can be used to simply make a substitution.
2210 (simplify_using_initial_values): Keep track of conditions we have seen
2211 and keep using them to simplify new expressions, while applying the
2212 same substitutions to them as to the expression.
2214 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2215 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2218 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2219 changed. Use this when trying to improve the upper bound.
2220 Generate the comparison by using simplify_gen_relational.
2222 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2224 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2226 (simplify_using_assignment, simplify_using_initial_values): Call
2227 replace_in_expr to make replacements. Call replace_single_def_regs
2228 once on the initial version of the expression.
2230 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2233 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2235 2009-03-31 Richard Guenther <rguenther@suse.de>
2238 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2239 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2241 2009-03-31 Richard Guenther <rguenther@suse.de>
2243 * tree.h (div_if_zero_remainder): Declare.
2244 * fold-const.c (div_if_zero_remainder): Export.
2245 * tree-ssa-forwprop.c
2246 (forward_propagate_addr_into_variable_array_index): Handle
2247 constant array index addition outside of the variable index.
2249 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2252 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2253 define_splits, floatunssi<mode>2): Require x87 conversions from
2254 DImode to be permitted.
2256 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2258 PR preprocessor/15638
2259 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2261 2009-03-31 Richard Guenther <rguenther@suse.de>
2265 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2266 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2267 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2268 a separate statement.
2269 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2270 (lookup_tmp_var): Likewise.
2271 (is_gimple_formal_tmp_or_call_rhs): Remove.
2272 (is_gimple_reg_or_call_rhs): Rename to ...
2273 (is_gimple_reg_rhs_or_call): ... this.
2274 (is_gimple_mem_or_call_rhs): Rename to ...
2275 (is_gimple_mem_rhs_or_call): ... this.
2276 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2277 DECL_GIMPLE_REG_P only if is_formal is true.
2278 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2279 for non-proper post-modify expression gimplification.
2280 (gimplify_self_mod_expr): For post-modify expressions gimplify
2281 the lvalue to a minimal lvalue.
2282 (rhs_predicate_for): Remove formal temp case.
2283 (gimplify_modify_expr_rhs): Likewise.
2284 (gimplify_addr_expr): Use is_gimple_reg.
2285 (gimplify_expr): Remove formal temp cases.
2286 (gimple_regimplify_operands): Likewise.
2287 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2288 and FILTER_EXPR like constants.
2289 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2291 (is_gimple_formal_tmp_rhs): Remove.
2292 (is_gimple_reg_rhs): Remove special casing.
2293 (is_gimple_mem_rhs): Fix.
2294 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2295 (is_gimple_formal_tmp_var): Remove.
2296 (is_gimple_formal_tmp_reg): Likewise.
2297 (is_gimple_min_lval): Allow invariant component ref parts.
2298 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2299 is_gimple_formal_tmp_reg): Remove declarations.
2300 * tree-cfg.c (verify_expr): Verify that variables with address
2301 taken do not have DECL_GIMPLE_REG_P set.
2302 * tree-mudflap.c (mf_build_check_statement_for): Use
2303 force_gimple_operand instead of gimplify_expr.
2305 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2307 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2308 schedulable rows to compute_split_row.
2310 2009-03-31 Ben Elliston <bje@au.ibm.com>
2313 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2316 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2318 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2319 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2320 * configure: Regenerate.
2321 * config.in: Regenerate.
2322 * config/rs6000/rs6000.opt (mtls-markers): Add.
2323 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2324 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2325 (tls_ld_aix, tls_ld_sysv): Likewise.
2326 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2327 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2329 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2331 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2333 2009-03-30 Jan Hubicka <jh@suse.cz>
2335 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2337 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2338 detection and label handling.
2340 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2342 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2343 left_conflicts_size.
2344 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2345 ALLOCNO_LEFT_CONFLICTS_SIZE.
2347 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2348 remove_allocno_from_bucket_and_push,
2349 allocno_spill_priority_compare, push_allocnos_to_stack,
2350 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2351 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2352 (setup_allocno_left_conflicts_num): Ditto. Rename to
2353 setup_allocno_left_conflicts_size.
2354 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2355 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2356 setup_allocno_left_conflicts_size instead of
2357 setup_allocno_left_conflicts_num.
2359 * ira-build.c (ira_create_allocno): Use
2360 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2361 ALLOCNO_LEFT_CONFLICTS_NUM.
2363 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2365 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2366 instead of DF_LR_OUT.
2368 * ira-lives.c (process_bb_node_lives): Ditto.
2370 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2371 instead of DF_LR_{OUT,IN}.
2373 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2375 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2377 2009-03-30 Jan Hubicka <jh@suse.cz>
2379 * except.c (label_to_region_map): Fix thinko.
2381 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2384 * tree.h (tree_find_value): New declaration.
2385 * tree.c (tree_find_value): New function.
2386 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2388 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2391 * c-decl.c (struct c_binding): Add locus field.
2392 (bind): Add locus argument, set locus field from it.
2393 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2394 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2395 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2396 implicitly_declare, undeclared_variable, lookup_label,
2397 declare_label, c_make_fname_decl, c_builtin_function,
2398 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2401 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2404 * config/i386/i386.c (classify_argument): Check total size of
2407 2009-03-30 Martin Jambor <mjambor@suse.cz>
2409 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2410 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2411 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2414 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2415 seen_variable_array_ref while also traversing a union.
2417 * tree-inline.c (optimize_inline_calls): Do not call
2418 cgraph_node_remove_callees.
2419 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2420 (pass_remove_cgraph_callee_edges): New variable.
2421 * passes.c (init_optimization_passes): Add
2422 pass_remove_cgraph_callee_edges after early inlining and before all
2423 late intraprocedural passes.
2425 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2427 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2429 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2432 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2434 * combine.c (simplify_comparison): Use have_insn_for.
2435 * dojump.c (do_jump): Likewise.
2437 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2439 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2440 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2441 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2442 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2443 instead of sparc_compare_emitted.
2444 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2445 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2446 instead of sparc_compare_emitted.
2448 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2450 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2451 enter/exit cfglayout mode.
2452 (pass_partition_block): Require it.
2453 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2454 (combine_instructions): Track basic blocks instead of labels.
2455 (update_cfg_for_uncondjump): New.
2456 (try_combine): Use it. Update jumps after rescanning.
2457 (pass_combine): Require PROP_cfglayout.
2458 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2460 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2462 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2463 Provide/destroy PROP_cfglayout respectively.
2464 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2465 * tree-pass.h (PROP_cfglayout): New.
2467 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2469 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2470 fold_convert_const_fixed_from_fixed,
2471 fold_convert_const_fixed_from_int,
2472 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2473 set TREE_CONSTANT_OVERFLOW.
2474 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2475 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2477 2009-03-30 Ira Rosen <irar@il.ibm.com>
2479 * tree-vect-loop-manip.c: New file.
2480 * tree-vectorizer.c: Update documentation and included files.
2481 (vect_loop_location): Make extern.
2482 (rename_use_op): Move to tree-vect-loop-manip.c
2483 (rename_variables_in_bb, rename_variables_in_loop,
2484 slpeel_update_phis_for_duplicate_loop,
2485 slpeel_update_phi_nodes_for_guard1,
2486 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2487 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2488 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2489 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2490 find_loop_location): Likewise.
2491 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2492 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2493 get_vectype_for_scalar_type, vect_is_simple_use,
2494 supportable_widening_operation, supportable_narrowing_operation):
2496 (bb_in_loop_p): Move to tree-vect-loop.c.
2497 (new_loop_vec_info, destroy_loop_vec_info,
2498 reduction_code_for_scalar_code, report_vect_op,
2499 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2500 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2501 (vect_supportable_dr_alignment): Likewise.
2502 * tree-vectorizer.h (tree-data-ref.h): Include.
2503 (vect_loop_location): Declare.
2504 Reorganize function declarations according to the new file structure.
2505 * tree-vect-loop.c: New file.
2506 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2507 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2508 * tree-vect-data-refs.c: New file.
2509 * tree-vect-patterns.c (timevar.h): Don't include.
2510 * tree-vect-stmts.c: New file.
2511 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2512 tree-vect-slp.c, tree-vect-loop.c.
2513 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2514 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2515 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2516 (tree-vect-analyze.o): Remove.
2517 (tree-vect-transform.o): Likewise.
2518 (tree-vect-data-refs.o): Add rule.
2519 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2520 tree-vect-slp.o): Likewise.
2521 (tree-vect-patterns.o): Remove redundant dependencies.
2522 (tree-vectorizer.o): Likewise.
2523 * tree-vect-slp.c: New file.
2525 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2527 * optc-gen.awk: Warn if an option flag has multiple different
2530 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2532 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2533 -floop-block): Document dependences on PPL, CLooG and Graphite.
2535 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2537 PR rtl-optimization/323
2538 * c-common.c (c_fully_fold, convert_and_check,
2539 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2540 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2541 * c-common.def (EXCESS_PRECISION_EXPR): New.
2542 * c-cppbuiltin.c (builtin_define_float_constants): Define
2543 constants with enough digits for long double.
2544 * c-lex.c (interpret_float): Interpret constant with excess
2545 precision where appropriate.
2546 * c-opts.c (c_common_post_options): Set
2547 flag_excess_precision_cmdline. Give an error for
2548 -fexcess-precision=standard for C++ for processors where the
2549 option is significant.
2550 * c-parser.c (c_parser_conditional_expression): Handle excess
2551 precision in condition.
2552 * c-typeck.c (convert_arguments): Handle arguments with excess
2554 (build_unary_op): Move excess precision outside operation.
2555 (build_conditional_expr): Likewise.
2556 (build_compound_expr): Likewise.
2557 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2558 (build_modify_expr): Handle excess precision in RHS.
2559 (convert_for_assignment): Handle excess precision in converted
2561 (digest_init, output_init_element, process_init_element): Handle
2562 excess precision in initializer.
2563 (c_finish_return): Handle excess precision in return value.
2564 (build_binary_op): Handle excess precision in operands and add
2565 excess precision as needed for operation.
2566 * common.opt (-fexcess-precision=): New option.
2567 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2568 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2569 For standard excess precision, output explicit conversion to and
2570 truncation from XFmode.
2571 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2572 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2573 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2574 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2575 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2576 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2577 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2578 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2579 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2580 define_splits, sqrt<mode>2): Disable where appropriate for
2581 standard excess precision.
2582 * convert.c (convert_to_real): Do not shorten arithmetic to type
2583 for which excess precision would be used.
2584 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2585 * doc/invoke.texi (-fexcess-precision=): Document option.
2586 (-mfpmath=): Correct index entry.
2587 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2588 flag_excess_precision): New.
2589 * langhooks.c (lhd_post_options): Set
2590 flag_excess_precision_cmdline.
2591 * opts.c (common_handle_option): Handle -fexcess-precision=.
2592 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2593 init_excess_precision): New.
2594 (lang_dependent_init_target): Call init_excess_precision.
2595 * tree.c (excess_precision_type): New.
2596 * tree.h (excess_precision_type): Declare.
2598 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2601 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2602 non-lvalue to component.
2604 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2606 PR preprocessor/34695
2607 * Makefile.in (c-opts.o): Depend on c-tree.h.
2608 * c-common.c: Move down include of diagnostic.h.
2609 (done_lexing, c_cpp_error): New.
2610 * c-common.h (done_lexing): Declare.
2611 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2613 * c-opts.c: Include c-tree.h.
2614 (c_common_init_options): Set preprocessor error callback.
2615 (c_common_handle_option): Do not set preprocessor
2616 inhibit_warnings, warnings_are_errors, warn_system_headers,
2617 pedantic_errors or inhibit_warnings flags.
2618 (c_common_post_options): Do not check cpp_errors (parse_in).
2619 (c_common_finish): Do not output dependencies if there were
2620 errors. Do not check return value of cpp_finish.
2621 * c-ppoutput.c (pp_file_change): Set input_location.
2622 * c-tree.h (c_cpp_error): Declare.
2623 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2625 (diagnostic_build_prefix): Check override_column.
2626 * diagnostic.h (diagnostic_info): Add override_column field.
2627 (diagnostic_override_column): Define.
2629 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2631 * c-common.c (c_expand_expr, c_staticp): Remove.
2632 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2633 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2634 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2635 * c-gimplify.c (gimplify_compound_literal_expr,
2636 optimize_compound_literals_in_ctor): Remove.
2637 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2638 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2639 * c-semantics.c (emit_local_var): Remove.
2641 * langhooks-def.h (lhd_expand_expr): Remove.
2642 * langhooks.c (lhd_expand_expr): Remove.
2643 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2645 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2646 handling from c-semantics.c; don't call into langhook.
2647 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2648 * gimplify.c (gimplify_compound_literal_expr,
2649 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2650 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2651 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2652 as was done in c-gimplify.c.
2653 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2654 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2655 Move from c-common.h.
2656 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2658 * tree.c (staticp): Do not call langhook.
2659 * langhooks.c (lhd_staticp): Delete.
2660 * langhooks-def.h (lhd_staticp): Delete prototype.
2661 (LANG_HOOKS_STATICP): Delete.
2662 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2664 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2665 instead of DECL_STMTs.
2667 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2675 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2677 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2678 contained expression.
2679 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2680 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2681 conditional expressions for C.
2682 (decl_constant_value_for_optimization): Move from
2683 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2684 whether optimizing and that the expression is a VAR_DECL not of
2685 array type instead of doing such checks in the caller. Do not
2686 check pedantic. Call gcc_unreachable for C++.
2687 * c-common.def (C_MAYBE_CONST_EXPR): New.
2688 * c-common.h (c_fully_fold, c_save_expr,
2689 decl_constant_value_for_optimization): New prototypes.
2690 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2691 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2692 EXPR_INT_CONST_OPERANDS): Define.
2693 * c-convert.c (convert): Strip nops from expression.
2694 * c-decl.c (groktypename): Take extra parameters expr and
2695 expr_const_operands. Update call to grokdeclarator.
2696 (start_decl): Update call to grokdeclarator. Add statement for
2697 expressions used in type of decl.
2698 (grokparm): Update call to grokdeclarator.
2699 (push_parm_decl): Update call to grokdeclarator.
2700 (build_compound_literal): Add parameter non_const and build a
2701 C_MAYBE_COSNT_EXPR if applicable.
2702 (grokdeclarator): Take extra parameters expr and
2703 expr_const_operands. Track expressions used in declaration
2704 specifiers and declarators. Fold array sizes and track whether
2705 they are constant expressions and whether they are integer
2706 constant expressions.
2707 (parser_xref_tag): Set expr and expr_const_operands fields in
2709 (grokfield): Update call to grokdeclarator.
2710 (start_function): Update call to grokdeclarator.
2711 (build_null_declspecs): Set expr and expr_const_operands fields in
2713 (declspecs_add_type): Handle expressions in typeof specifiers.
2714 * c-parser.c (c_parser_declspecs): Set expr and
2715 expr_const_operands fields for declaration specifiers.
2716 (c_parser_enum_specifier): Likewise.
2717 (c_parser_struct_or_union_specifier): Likewise.
2718 (c_parser_typeof_specifier): Likewise. Update call to
2719 groktypename. Fold expression as needed. Return expressions with
2720 type instead of adding statements.
2721 (c_parser_attributes): Update calls to c_parser_expr_list.
2722 (c_parser_statement_after_labels): Fold expression before passing
2723 to objc_build_throw_stmt.
2724 (c_parser_condition): Fold expression.
2725 (c_parser_asm_operands): Fold expression.
2726 (c_parser_conditional_expression): Use c_save_expr. Update call
2727 to build_conditional_expr.
2728 (c_parser_alignof_expression): Update call to groktypename.
2729 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2730 original_code. Fold expression argument of va_arg. Create
2731 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2732 argument to va_arg. Update calls to groktypename. Fold array
2733 index for offsetof. Verify that first argument to
2734 __builtin_choose_expr has integer type.
2735 (c_parser_postfix_expression_after_paren_type): Update calls to
2736 groktypename and build_compound_literal. Handle expressions with
2737 side effects in type name.
2738 (c_parser_postfix_expression_after_primary): Update call to
2739 c_parser_expr_list. Set original_code for calls to
2740 __builtin_constant_p.
2741 (c_parser_expr_list): Take extra parameter fold_p. Fold
2742 expressions if requested.
2743 (c_parser_objc_type_name): Update call to groktypename.
2744 (c_parser_objc_synchronized_statement): Fold expression.
2745 (c_parser_objc_receiver): Fold expression.
2746 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2747 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2748 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2749 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2750 (struct c_typespec): Add elements expr and expr_const_operands.
2751 (struct c_declspecs): Add elements expr and expr_const_operands.
2752 (groktypename, build_conditional_expr, build_compound_literal):
2754 (in_late_binary_op): Declare.
2755 * c-typeck.c (note_integer_operands): New function.
2756 (in_late_binary_op): New variable.
2757 (decl_constant_value_for_broken_optimization): Move to c-common.c
2758 and rename to decl_constant_value_for_optimization.
2759 (default_function_array_conversion): Do not strip nops.
2760 (default_conversion): Do not call
2761 decl_constant_value_for_broken_optimization.
2762 (build_array_ref): Do not fold result.
2763 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2764 result when operand is a VLA.
2765 (c_expr_sizeof_type): Update call to groktypename. Handle
2766 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2767 result when operand names a VLA type.
2768 (build_function_call): Update call to build_compound_literal.
2769 Only fold result for calls to __builtin_* functions. Strip
2770 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2771 the function designator.
2772 (convert_arguments): Fold arguments. Update call to
2773 convert_for_assignment.
2774 (build_unary_op): Handle increment and decrement of
2775 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2776 decrement earlier. Fold operand of increment and decrement.
2777 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2778 built for integer operand. Wrap returns that are INTEGER_CSTs
2779 without being integer constant expressions or that have integer
2780 constant operands without being INTEGER_CSTs.
2781 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2782 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2783 result is an integer constant expression or can be used in
2784 unevaluated parts of one and avoid folding and wrap as
2785 appropriate. Fold operands before possibly doing -Wsign-compare
2787 (build_compound_expr): Wrap result for C99 if operands can be used
2788 in integer constant expressions.
2789 (build_c_cast): Update call to digest_init. Do not ignore
2790 overflow from casting floating-point constants to integers. Wrap
2791 results that could be confused with integer constant expressions,
2792 null pointer constants or floating-point constants.
2793 (c_cast_expr): Update call to groktypename. Handle expressions
2794 included in type name.
2795 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2796 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2797 Update calls to convert_for_assignment.
2798 (convert_for_assignment): Take new parameter
2799 null_pointer_constant. Do not strip nops or call
2800 decl_constant_value_for_broken_optimization. Set
2801 in_late_binary_op for conversions to boolean.
2802 (store_init_value): Update call to digest_init.
2803 (digest_init): Take new parameter null_pointer_constant. Do not
2804 call decl_constant_value_for_broken_optimization. pedwarn for
2805 initializers not constant expressions. Update calls to
2806 convert_for_assignment.
2807 (constructor_nonconst): New.
2808 (struct constructor_stack): Add nonconst element.
2809 (really_start_incremental_init, push_init_level, pop_init_level):
2810 Handle constructor_nonconst and nonconst element.
2811 (set_init_index): Call constant_expression_warning for array
2813 (output_init_element): Fold value. Set constructor_nonconst as
2814 applicable. pedwarn for initializers not constant expressions.
2815 Update call to digest_init. Call constant_expression_warning
2816 where constant initializers are required.
2817 (process_init_element): Use c_save_expr.
2818 (c_finish_goto_ptr): Fold expression.
2819 (c_finish_return): Fold return value. Update call to
2820 convert_for_assignment.
2821 (c_start_case): Fold switch expression.
2822 (c_process_expr_stmt): Fold expression.
2823 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2824 ensure statement expression is not evaluated in constant expression.
2825 (build_binary_op): Track whether results are integer constant
2826 expressions or may occur in such, disable folding and wrap results
2827 as applicable. Fold operands for -Wsign-compare warnings unless
2829 (c_objc_common_truthvalue_conversion): Handle results folded to
2830 integer constants that are not integer constant expressions.
2831 * doc/extend.texi: Document when typeof operands are evaluated,
2832 that condition of __builtin_choose_expr is an integer constant
2833 expression, and more about use of __builtin_constant_p in
2836 2009-03-29 Richard Guenther <rguenther@suse.de>
2838 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2839 propagate addresses of array references.
2841 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2843 * regmove.c (perhaps_ends_bb_p): Remove.
2844 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2845 from INSN and check that the main loop stays within that basic block.
2846 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2847 (regmove_forward_pass): Split out from regmove_optimize. Use
2848 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2849 (regmove_backward_pass): Split out from regmove_optimize. Use
2850 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2851 (regmove_optimize): Simplify.
2853 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2856 * config/i386/i386.c (classify_argument): Ignore flexible array
2857 member in struct and warn ABI change.
2859 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2861 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2863 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2864 (ix86_adjust_cost): Updated.
2866 2009-03-29 Jan Hubicka <jh@suse.cz>
2869 * tree-pass.h (pass_cleanup_eh): New function.
2870 (remove_unreachable_regions): Break code handling RTL
2871 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2872 that can not be reached by runtime.
2873 (can_be_reached_by_runtime): New function.
2874 (label_to_region_map): New function.
2875 (num_eh_regions): New function.
2876 (rtl_remove_unreachable_regions): New function.
2877 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2878 (remove_eh_region): New function.
2879 * except.h: Include sbitmap and vecprim.
2880 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2881 num_eh_regions): Declare.
2882 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2883 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2884 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2885 (tree_empty_eh_handler_p): New function.
2886 (cleanup_empty_eh): New function.
2887 (cleanup_eh): New function.
2888 (pass_cleanup_eh): New function.
2890 2009-03-29 Jan Hubicka <jh@suse.cz>
2892 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2893 for removed regions.
2895 2009-03-29 Jan Hubicka <jh@suse.cz>
2897 * except.c (dump_eh_tree): Dump all datastructures.
2899 2009-03-29 Jan Hubicka <jh@suse.cz>
2901 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2902 (duplicate_eh_regions_1): Likewise.
2903 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2904 vector; call EH verification.
2905 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2906 Be ready for region being removed.
2908 2009-03-29 Jan Hubicka <jh@suse.cz>
2910 * bitmap.c (bitmap_last_set_bit): New function.
2911 * bitmap.h (bitmap_last_set_bit): Declare.
2913 2009-03-29 David Ayers <ayers@fsfe.org>
2916 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2917 by calling objc_compare_types and surpress warnings about
2918 incompatible C pointers that are compatible ObjC pointers.
2920 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2922 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2923 call initialize_inline_failed.
2924 (initialize_inline_failed): Move it from here ...
2925 * cgraph.c (initialize_inline_failed): ... to here.
2926 (cgraph_create_edge): Call initialize_inline_failed rather than
2927 setting inline_failed directly.
2929 2009-03-29 Ben Elliston <bje@au.ibm.com>
2932 * sysv4.opt (msdata): Improve comment.
2933 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2934 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2936 2009-03-29 Ben Elliston <bje@au.ibm.com>
2939 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2940 load and store attributes.
2942 2009-03-29 Ben Elliston <bje@au.ibm.com>
2944 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2945 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2946 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2947 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2948 __builtin_infq and __builtin_huge_valq.
2950 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2952 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2954 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2955 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2957 2009-03-28 Xinliang David Li <davidxl@google.com>
2959 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2960 (do_dbg_cnt): New function.
2962 2009-03-28 Jan Hubicka <jh@suse.cz>
2964 Merge from pretty-ipa:
2966 2009-03-27 Jan Hubicka <jh@suse.cz>
2968 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2969 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2970 * passes.c (function_called_by_processed_nodes_p): New.
2971 * ipa-pure-const.c (check_call): Fix handling of operands.
2972 (analyze_function): Dump debug output for skipped bodies.
2973 (local_pure_const): Use function_called_by_processed_nodes_p.
2974 * dwarf2out.c (reference_to_unused): Use output.
2975 * passes.c (do_per_function_toporder): Likewise.
2977 2008-11-12 Jan Hubicka <jh@suse.cz>
2979 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2980 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2981 state_set_in_source enum
2982 (check_decl): Ignore memory tags; do not set fake looping flags;
2984 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2985 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2986 (check_call, analyze_function): Rewrite.
2988 (add_new_function): Update call of analyze_function.
2989 (generate_summary): Add call of analyze_function.
2990 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2991 (local_pure_const): New function.
2992 (pass_local_pure_const): New pass.
2993 * ipa-inline.c (inline_transform): Set after_inlining.
2994 * tree-eh.c (stmt_can_throw_external): New.
2995 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2996 work with aliasing built.
2997 * tree-flow.h (stmt_can_throw_external): New.
2998 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2999 and local pure/const pass in early and late optimization queue.
3001 2009-03-28 Martin Jambor <mjambor@suse.cz>
3003 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3005 (fold_binary): Allow function decl aligment consideration is the
3006 second argument is integer constant one.
3007 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3008 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3009 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3011 2009-03-28 Jan Hubicka <jh@suse.cz>
3013 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3014 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3015 * function.h (rtl_data): Add nothrow flag.
3016 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3017 set DECL_NOTHROW for AVAILABLE functions.
3019 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3021 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3022 following vector keyword has expansion starting with pixel or bool
3023 keyword, expand vector to __vector and pixel or bool to __pixel or
3027 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3028 warn_if_disallowed_function_p): Removed.
3029 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3030 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3031 warning_if_disallowed_function_p.
3032 * flags.h (warn_if_disallowed_function_p,
3033 warn_disallowed_functions): Removed.
3034 * common.opt (Wdisallowed-function-list=): Removed.
3035 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3037 2009-03-28 Richard Guenther <rguenther@suse.de>
3039 PR tree-optimization/38723
3040 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3043 2009-03-28 Jan Hubicka <jh@suse.cz>
3045 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3046 test introduced by my previous patch.
3048 2009-03-28 Richard Guenther <rguenther@suse.de>
3050 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3051 the PHIs value undefined.
3053 2009-03-28 Jan Hubicka <jh@suse.cz>
3055 * tree-pass.h (pass_fixup_cfg): New pass.
3056 * ipa-inline.c (inline_transform): Set
3057 always_inline_functions_inlined/after_inlining.
3058 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3059 (pass_fixup_cfg): New pass.
3060 * passes.c (init_optimization_passes): Add fixup_cfg.
3062 2009-03-28 Richard Guenther <rguenther@suse.de>
3064 PR tree-optimization/38458
3065 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3066 argument use the arguments copy-of value.
3068 2009-03-28 Richard Guenther <rguenther@suse.de>
3070 PR tree-optimization/38180
3071 * tree-ssa-ccp.c (get_default_value): Simplify.
3072 (likely_value): Likewise.
3073 (surely_varying_stmt_p): Properly handle VOP case.
3074 (ccp_initialize): Likewise.
3075 (ccp_fold): Handle propagating through *&.
3076 (fold_const_aggregate_ref): Also handle decls.
3078 2009-03-28 Jan Hubicka <jh@suse.cz>
3080 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3081 * cgraph.h (cgraph_node): Likewise.
3082 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3083 (cgraph_reset_node): Use process flag.
3084 (cgraph_mark_functions_to_output): Likewise.
3085 (cgraph_expand_function): Likewise.
3086 (cgraph_expand_all_functions): Likewise.
3087 (cgraph_output_in_order): Likewise.
3088 * dwarf2out.c (reference_to_unused): Likewise.
3089 * passes.c do_per_function_toporder): Likewise.
3091 2009-03-28 Jan Hubicka <jh@suse.cz>
3093 Bring from lto-branch:
3095 2008-09-03 Doug Kwan <dougkwan@google.com>
3097 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3098 enums instead of reason strings.
3099 * cgraph.c (cgraph_create_edge): Same.
3100 (cgraph_inline_failed_string): New function.
3101 * cgraph.h (cgraph_inline_failed_t): New enum type.
3102 (cgraph_inline_failed_string): New prototype.
3103 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3104 char pointer to cgraph_inline_failed_t.
3105 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3106 (cgraph_default_inline_p): Ditto.
3107 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3108 to cgraph_inline_failed_t pointer.
3109 * cif-code.def: New file.
3110 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3112 (cgraph_check_inline_limits): Change type of REASON to pointer to
3113 cgraph_inline_failed_t. Replace reason strings with enums.
3114 (cgraph_default_inline_p): Ditto.
3115 (cgraph_recursive_inlining_p): Ditto.
3116 (update_caller_keys): Change type of FAILED_REASON to
3117 cgraph_inline_failed_t.
3118 (cgraph_set_inline_failed): Change type of REASON to pointer to
3119 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3120 convert enums to strings for text output.
3121 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3122 to be of type cgraph_inline_failed_t. Replace reason strings with
3123 enums. Call cgraph_inline_failed_string to covert enums
3124 to strings for text output.
3125 (cgraph_decide_inlining): Replace reason strings with enums.
3126 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3127 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3129 * tree-inline.c (expand_call_inline): Change type of REASON
3130 to cgraph_inline_failed_t. Replace reason strings with enums.
3131 Call cgraph_inline_failed_string for text output.
3132 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3135 2009-03-28 Jan Hubicka <jh@suse.cz>
3137 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3138 cgraph_clone_node): Remove master clone handling.
3139 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3140 * cgraph.h (master_clone): Remove.
3141 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3142 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3143 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3145 2009-03-28 Jan Hubicka <jh@suse.cz>
3147 * cgraph.c (cgraph_function_body_availability): Functions declared
3148 inline are always safe to assume that it is not going to be replaced.
3150 2009-03-28 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/38513
3153 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3154 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3155 EXC_PTR_EXPR and FILTER_EXPR.
3156 (get_ref_from_reference_ops): Likewise.
3158 2009-03-28 Richard Guenther <rguenther@suse.de>
3160 PR tree-optimization/38968
3161 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3162 Use FLOOR_MOD_EXPR to compute misalignment.
3164 2009-03-28 Richard Guenther <rguenther@suse.de>
3166 PR tree-optimization/37795
3167 * tree.h (combine_comparisons): Declare.
3168 * fold-const.c (combine_comparisons): Export.
3169 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3171 (ifcombine_iforif): Use combine_comparisons.
3173 2009-03-28 Jan Hubicka <jh@suse.cz>
3175 * tree-eh.c (inlinable_call_p): New function.
3176 (make_eh_edges): Use it.
3177 (verify_eh_edges): Use it.
3178 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3179 * except.c (reachable_next_level): Add inlinable_function argument
3180 (sjlj_find_directly_reachable_regions): Update.
3181 (add_reachable_handler): Do not set saw_any_handlers.
3182 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3183 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3184 Add new inlinable call parameter.
3185 (can_throw_internal, can_throw_external): Update.
3186 * except.h (can_throw_internal_1, can_throw_external_1,
3187 foreach_reachable_handler): Update declaration.
3189 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3191 * config/arm/t-arm-coff, config/h8300/coff.h,
3192 config/i386/i386-aout.h, config/i386/i386-coff.h,
3193 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3194 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3195 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3196 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3197 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3198 sys-types.h: Remove.
3199 * Makefile.in: Remove protoize and fixproto support and references
3201 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3202 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3204 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3205 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3206 unprotoize$(exeext).
3207 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3208 (.PHONY): Don't depend on proto.
3209 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3210 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3211 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3212 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3213 build/gen-protos.o, build/scan.o, xsys-protos.h,
3214 build/fix-header$(build_exeext), build/fix-header.o,
3215 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3216 stmp-install-fixproto): Remove.
3217 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3218 SYSCALLS.c or fixproto files.
3219 (install-common): Don't install protoize.
3220 (install-headers-tar, install-headers-cpio, install-headers-cp):
3221 Don't depend on $(STMP_FIXPROTO).
3222 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3223 install fixproto files or write out fixproto settings.
3224 (uninstall): Don't uninstall protoize.
3225 * config.gcc (use_fixproto): Remove.
3226 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3227 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3228 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3229 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3230 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3231 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3232 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3233 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3234 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3235 * config/t-vxworks (STMP_FIXPROTO): Remove.
3236 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3237 STMP_FIXPROTO): Remove.
3238 * config.in, configure: Regenerate.
3239 * crtstuff.c (gid_t, uid_t): Don't undefine.
3240 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3241 (arm-*-coff, arm-*-aout: Remove target entries.
3242 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3243 Remove mention of AIX 4.1.
3244 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3245 * doc/invoke.texi (Running Protoize): Remove.
3246 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3247 (Protoize Caveats): Remove.
3248 * tsystem.h: Update comments on headers assumed to exist.
3250 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3252 * genautomata.c: Add a new year to the copyright. Add a new
3254 (struct insn_reserv_decl): Add comments for member bypass_list.
3255 (find_bypass): Remove.
3256 (insert_bypass): New.
3257 (process_decls): Use insert_bypass.
3258 (output_internal_insn_latency_func): Output all bypasses with the
3259 same input insn in one switch case.
3261 * rtl.def (define_bypass): Describe bypass choice.
3262 * doc/md.texi (define_bypass): Ditto.
3264 2009-03-27 Richard Guenther <rguenther@suse.de>
3266 * gimplify.c (mark_addressable): Export.
3267 * tree-flow.h (mark_addressable): Declare.
3268 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3269 * tree-ssa.c (verify_phi_args): Verify that address taken
3270 variables have TREE_ADDRESSABLE set.
3272 2009-03-27 Richard Guenther <rguenther@suse.de>
3274 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3275 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3276 Do not mark decls TREE_ADDRESSABLE.
3277 (build_fold_addr_expr): Adjust.
3278 (fold_addr_expr): Remove.
3279 (fold_unary): Use build_fold_addr_expr.
3280 (fold_comparison): Likewise.
3281 (split_address_to_core_and_offset): Likewise.
3282 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3284 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3285 (gimplify_modify_expr_to_memcpy): Mark source and destination
3287 * omp-low.c (create_omp_child_function): Mark the object decl
3289 (lower_rec_input_clauses): Mark the var we take the address of
3291 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3293 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3296 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3297 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3299 2009-03-27 Richard Guenther <rguenther@suse.de>
3301 PR tree-optimization/39120
3302 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3304 (handle_lhs_call): Process return constraints. Add escape
3305 constraints if necessary.
3306 (handle_const_call): Fill out return constraints. Make nested
3307 case more precise. Avoid consttmp if possible.
3308 (handle_pure_call): Fill out return constraints. Avoid
3309 callused if possible.
3310 (find_func_aliases): Simplify call handling.
3312 2009-03-27 Richard Guenther <rguenther@suse.de>
3314 PR tree-optimization/39120
3315 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3316 as a representative.
3317 (solve_graph): Do propagate CALLUSED.
3318 (handle_pure_call): Use a scalar constraint from CALLUSED for
3320 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3323 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3326 * c-common.c (handle_aligned_attribute): Properly check alignment
3327 overflow. Use (1U << i) instead of (1 << i).
3329 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3331 * expr.h (get_mem_align_offset): Updated.
3333 * tree.h (tree_decl_common): Change align to "unsigned int" and
3334 move it before pointer_alias_set.
3336 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3337 Jakub Jelinek <jakub@redhat.com>
3340 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3341 gr_register_operand with gr_reg_or_0_operand.
3342 (cmpxchg_rel_di): Likewise.
3343 (sync_lock_test_and_set<mode>): Likewise.
3345 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3347 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3348 (true_regnum): Likewise.
3350 * rtlanal.c (subreg_info): Moved to ...
3351 * rtl.h (subreg_info): Here. New.
3352 (subreg_get_info): New.
3354 * rtlanal.c (subreg_get_info): Make it extern.
3356 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3359 * config/i386/i386.c (ix86_abi): New.
3360 (override_options): Handle -mabi=.
3361 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3362 (ix86_call_abi_override): Likewise.
3363 (init_cumulative_args): Likewise.
3364 (function_arg_advance): Likewise.
3365 (function_arg_64): Likewise.
3366 (function_arg): Likewise.
3367 (ix86_pass_by_reference): Likewise.
3368 (ix86_function_value_regno_p): Likewise.
3369 (ix86_build_builtin_va_list_abi): Likewise.
3370 (setup_incoming_varargs_64): Likewise.
3371 (is_va_list_char_pointer): Likewise.
3372 (ix86_init_machine_status): Likewise.
3373 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3374 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3375 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3376 (ix86_function_abi): Make it static and return enum calling_abi.
3377 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3379 (ix86_fn_abi_va_list): Updated.
3381 * config/i386/i386.h (ix86_abi): New.
3382 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3383 (CONDITIONAL_REGISTER_USAGE): Likewise.
3384 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3385 (machine_function): Likewise.
3387 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3389 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3390 (STACK_BOUNDARY): Likewise.
3391 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3393 * config/i386/i386.opt (mabi=): New.
3395 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3396 return enum calling_abi.
3397 (ix86_function_type_abi): Likewise.
3398 (ix86_function_abi): Removed.
3400 * doc/invoke.texi: Document -mabi= option for x86.
3402 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3404 * builtins.c (real_dconstp): Delete.
3405 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3407 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3408 Jakub Jelinek <jakub@redhat.com>
3411 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3412 (gen_subprogram_die): When a function is explicit, generate the
3413 DW_AT_explicit attribute.
3414 * langhooks.h (struct lang_hooks_for_decls): Add
3415 function_decl_explicit_p langhook.
3416 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3417 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3419 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3421 * builtins.c (fold_builtin_memory_op): Optimize memmove
3422 into memcpy if we can prove source and destination don't overlap.
3424 * tree-inline.c: Include gt-tree-inline.h.
3425 (clone_fn_id_num): New variable.
3426 (clone_function_name): New function.
3427 (tree_function_versioning): Use it.
3428 * Makefile.in (GTFILES): Add tree-inline.c.
3430 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3432 * BASE-VER: Change to 4.5.0.
3434 2009-03-27 Xinliang David Li <davidxl@google.com>
3436 PR tree-optimization/39557
3437 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3439 2009-03-27 Xinliang David Li <davidxl@google.com>
3441 PR tree-optimization/39548
3442 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3445 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3447 * c-common.c (pointer_int_sum): Use %wd on return from
3450 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3452 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3453 on return from tree_low_cst.
3455 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3458 * ginclude/stdarg.h (va_copy): Define also for
3459 __GXX_EXPERIMENTAL_CXX0X__.
3461 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3464 * builtins.h (c_strlen): Do not warn here.
3465 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3466 * c-common.c (pointer_int_sum): Take an explicit location.
3467 Warn about offsets out of bounds.
3468 * c-common.h (pointer_int_sum): Adjust declaration.
3470 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3472 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3475 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3478 * opts.c (warn_if_disallowed_function_p): Don't assume
3479 get_callee_fndecl must return non-NULL.
3481 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3483 PR rtl-optimization/39522
3484 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3485 when reg_reloaded_valid is set.
3487 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3489 * config/spu/divv2df3.c: New file.
3490 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3491 (DPBIT_FUNCS): Filter out _div_df.
3493 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3495 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3496 a jump insn, count that jump in the distance to the loop start.
3498 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3501 * config/sh/sh.c (calc_live_regs): Fix condition for global
3502 registers except PIC_OFFSET_TABLE_REGNUM.
3504 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3507 * doc/invoke.texi (-mconsole): New.
3511 (-mnop-fun-dllimport): New.
3515 (sub section "i386 and x86-64 Windows Options"): New.
3517 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3519 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3520 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3522 2009-03-25 Richard Guenther <rguenther@suse.de>
3525 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3528 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3530 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3531 neither of haifa/selective schedulers are working.
3533 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3535 * doc/invoke.texi (Debugging Options): Fix description of
3536 -fno-merge-debug-strings.
3538 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3540 * config/cris/libgcc.ver: New version-script.
3541 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3543 * configure.ac <GAS features, nop mnemonic>: Add pattern
3544 crisv32-*-* for "nop".
3545 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3546 * configure: Regenerate.
3548 2009-03-24 Ira Rosen <irar@il.ibm.com>
3550 PR tree-optimization/39529
3551 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3552 mark_sym_for_renaming for the tag copied to the new vector
3555 2009-03-24 Arthur Loiret <aloiret@debian.org>
3557 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3558 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3559 EXTRA_SPEC_FUNCTIONS.
3560 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3561 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3562 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3563 -march and -mtune options.
3565 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3567 * config/m68k/t-rtems: Add m5329 multilib.
3569 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3570 Jakub Jelinek <jakub@redhat.com>
3573 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3576 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3579 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3580 instead of c_parser_expression_conv, if original_code isn't one of the
3581 4 allowed comparison codes, fail.
3583 2009-03-23 Richard Guenther <rguenther@suse.de>
3585 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3586 * tree.h (struct tree_type): Likewise.
3587 * reload.h (struct insn_chain): Likewise.
3588 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3589 * function.h (struct function): Likewise.
3590 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3592 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3594 PR tree-optimization/39516
3595 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3597 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3599 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3600 should be set true if BITS_PER_WORD of target is bigger than 32
3602 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3604 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3605 Translate -B-options to -rpath-link. Correct existing
3606 rpath-link and conditionalize on !nostdlib.
3608 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3610 * doc/extend.texi (Function Attributes, Variable Attributes):
3612 * doc/invoke.texi (Debugging Options, Optimize Options)
3613 (i386 and x86-64 Options, MCore Options): Likewise.
3615 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3618 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3619 it for block local namespace aliases.
3620 (gen_decl_die): Pass context_die to gen_namespace_die.
3622 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3625 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3626 minimum or maximum value.
3628 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3630 * reginfo.c (globalize_reg): Recompute derived reg sets.
3632 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3635 * libgcc2.c (mprotect): Do not use signed arguments for
3636 VirtualProtect, use DWORD arguments. Also fix the 'may
3637 be used uninitialized' warning for the np variable.
3639 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3642 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3643 functions using regparm calling conventions when not optimizing.
3644 (ix86_function_sseregparm): Similarly for sseregparm calling
3647 2009-03-19 Li Feng <nemokingdom@gmail.com>
3650 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3651 dependence if the first conflict is after niter iterations.
3653 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3656 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3657 functions with dynamic stack-pointer adjustments.
3659 2009-03-19 Ben Elliston <bje@au.ibm.com>
3661 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3662 option; change to -msdata=data.
3664 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3666 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3669 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3672 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3674 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3676 * doc/invoke.texi (Code Gen Options): Expand discussion of
3679 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3681 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3682 * matrix-reorg.c (struct matrix_info): Likewise.
3683 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3684 * rtl.h (struct mem_attrs): Likewise.
3685 * df.h (struct df): Likewise.
3686 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3687 * ira-int.h (struct ira_allocno): Likewise.
3688 * df-scan.c (struct df_collection_rec): Likewise.
3689 * ira.c (struct equivalence): Likewise.
3690 * function.c (struct temp_slot): Likewise.
3691 * cfgloop.h (struct loop): Likewise.
3694 * function.c (use_register_for_decl): When not optimizing, disregard
3695 register keyword for variables with types containing methods.
3697 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3700 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3701 (is_simple_operand): Call contains_component_ref_p before calling data
3702 reference analysis that would fail on COMPONENT_REFs.
3704 * tree-vrp.c (search_for_addr_array): Fix formatting.
3706 2009-03-18 Richard Guenther <rguenther@suse.de>
3708 * tree-vect-transform.c (vect_loop_versioning): Fold the
3709 generated comparisons.
3710 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3711 (slpeel_tree_peel_loop_to_edge): Likewise.
3713 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3716 * opts.c (print_specific_help): In addition to `undocumented',
3717 accept `separate' and `joined' flags if passed alone. Describe
3718 output by the first matched one of those.
3719 (common_handle_option): Skip over empty strings.
3720 * gcc.c (display_help): Fix help string for `--help='.
3721 * doc/invoke.texi (Option Summary, Overall Options): With
3722 `--help=', classes and qualifiers can both be repeated, but
3723 only the latter can be negated. One should not pass only
3724 negated qualifiers. Fix markup and examples.
3727 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3729 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3730 and -fhelp=separate.
3732 2009-03-17 Jing Yu <jingyu@google.com>
3735 * function.h (struct rtl_data): Move is_thunk from here...
3736 (struct function): ...to here.
3737 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3738 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3740 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3742 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3743 (alpha_output_function_end_prologue): Likewise.
3744 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3745 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3746 (rs6000_output_function_epilogue): Likewise.
3747 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3749 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3752 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3753 from different units in a single alternative.
3754 (*truncdfsf_i387): Ditto.
3755 (*truncxfsf2_mixed): Ditto.
3756 (*truncxfdf2_mixed): Ditto.
3758 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3760 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3761 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3764 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3765 unused non-artificial variables when not optimizing.
3768 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3769 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3770 NAMESPACE_DECL in its DECL_INITIAL.
3773 * optabs.c (set_user_assembler_libfunc): New function.
3774 * expr.h (set_user_assembler_libfunc): New prototype.
3775 * c-common.c: Include libfuncs.h.
3776 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3777 for memcmp, memset, memcpy, memmove and abort.
3778 * Makefile.in (c-common.o): Depend on libfuncs.h.
3781 * dwarf2out.c (gen_inlined_enumeration_type_die,
3782 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3783 gen_tagged_type_instantiation_die): Removed.
3784 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3787 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3790 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3792 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3793 (check-parallel-%): Ditto.
3794 (check-consistency): Ditto.
3796 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3798 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3799 local variable rhs by NULL_TREE.
3801 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3804 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3806 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3809 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3811 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3814 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3815 for ms->sysv ABI calls only in 64bit mode.
3817 * config/i386/i386.md (untyped_call): Support 32bit.
3819 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3821 * doc/extend.texi: Replace x86_65 with x86_64.
3823 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3825 PR tree-optimization/39455
3826 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3827 mismatches for POINTER_TYPE_P (type).
3828 (number_of_iterations_le): Likewise.
3830 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3832 * config/picochip/picochip.c: Removed profiling support.
3833 * config/picochip/picochip.md: Removed profiling instruction.
3834 * config/picochip/picochip.h: Removed profiling builtin.
3836 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3838 * doc/install.texi (--with-host-libstdcxx): Document.
3840 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3843 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3844 generate a warning if the function name does not begin with
3845 "__vector" and the function has either the 'signal' or 'interrupt'
3846 attribute, from here to ...
3847 (avr_declare_function_name): ...here. New function.
3848 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3849 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3851 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3854 * cse.c (fold_rtx): Don't modify original const_arg1 when
3855 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3856 separate variable instead.
3857 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3858 from out of range shift counts.
3859 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3861 2008-03-13 Catherine Moore <clm@codesourcery.com>
3863 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3864 diagnostic.h with $(DIAGNOSTIC_H).
3866 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3869 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3871 * config/i386/sync.md (sync_compare_and_swap<mode>,
3872 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3873 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3875 (sync_double_compare_and_swapdi_pic,
3876 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3877 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3879 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3882 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3884 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3887 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3888 (avx_addsubv4df3): Likewise.
3889 (*avx_addsubv4sf3): Likewise.
3890 (sse3_addsubv4sf3): Likewise.
3892 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3895 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3897 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3900 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3901 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3902 registers for allocnos created from user-defined variables.
3904 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3907 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3908 of non-integer mode as well.
3910 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3912 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3913 for functions for which the parameter types are unknown.
3915 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3918 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3919 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3920 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3921 * config/i386/i386.c (ix86_local_alignment): For
3922 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3923 long long variables on the stack to avoid dynamic realignment.
3924 Allow the first argument to be a decl rather than type.
3925 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3927 2009-03-11 Nick Clifton <nickc@redhat.com>
3930 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3932 Add description to mno-lsim option.
3933 * config/mcore/mcore.h: Remove comment about deprecated m4align
3935 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3936 * doc/invoke.texi: Add description of mno-lsim and
3937 mstack-increment options.
3939 * config/fr30/fr30.opt: Document the -mno-lsim option.
3940 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3941 and -mno-lsim options.
3943 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3945 * fold-const.c (fold_comparison): Only call fold_inf_compare
3946 if the mode supports infinities.
3948 2009-03-11 Jason Merrill <jason@redhat.com>
3951 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3952 end already did. Notice GIMPLE_CALL modifications of the result.
3953 Don't copy debug information from an ignored decl or a decl from
3956 2009-03-10 Richard Guenther <rguenther@suse.de>
3957 Nathan Froyd <froydnj@codesourcery.com>
3960 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3961 (__divMODE3): Likewise.
3963 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3965 PR tree-optimization/39394
3966 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3967 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3969 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3971 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3972 inline asms for register asm ("") declarations.
3974 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3976 * fold-const.c (fold_unary): Fix comment.
3978 2009-03-07 Jan Hubicka <jh@suse.cz>
3981 * tree-inline.c (setup_one_parameter): Do replacement of const
3982 argument by constant in SSA form.
3984 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3987 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3988 determine alignment passed to assign_stack_local.
3989 (assign_parms_unsplit_complex): Likewise.
3990 * except.c (sjlj_build_landing_pads): Likewise.
3992 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3995 * tree-flow.h (add_referenced_var): Return bool instead of void.
3996 * tree-dfa.c (add_referenced_var): Return result of
3997 referenced_var_check_and_insert call.
3998 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3999 of referenced_var_check_and_insert.
4002 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4003 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4004 DIE, don't emit it if abstract origin already has it.
4005 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4006 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4008 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4010 * genpreds.c (needs_variable): Fix parentheses at variable name
4012 (write_tm_constrs_h): Indent generated code.
4014 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4016 * doc/extend.texi (Function Attributes): Add documentation
4019 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4022 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4023 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4025 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4027 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4030 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4033 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4034 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4036 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4038 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4039 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4040 constants instead of magic numbers.
4041 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4043 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4044 (x86_64_ms_abi_int_parameter_registers): Ditto.
4045 (x86_64_int_return_registers): Ditto.
4046 (ix86_maybe_switch_abi): Ditto.
4047 (ix86_expand_call): Ditto for clobbered_registers array.
4048 (ix86_hard_regno_mode_ok): Ditto.
4049 (x86_extended_QIreg_mentioned_p): Ditto.
4051 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4053 PR tree-optimization/39349
4054 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4056 * combine.c (gen_lowpart_for_combine): Use omode when generating
4059 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4061 PR rtl-optimization/39235
4062 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4064 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4066 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4068 2009-03-04 Richard Guenther <rguenther@suse.de>
4070 PR tree-optimization/39362
4071 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4072 that occur in abnormal PHIs should be varying.
4074 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4076 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4078 (simple_iv): Take loop as an argument instead of statement.
4079 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4080 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4082 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4084 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4085 * matrix-reorg.c (analyze_transpose): Ditto.
4086 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4087 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4088 * tree-predcom.c (ref_at_iteration): Ditto.
4089 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4091 2009-03-04 Richard Guenther <rguenther@suse.de>
4093 PR tree-optimization/39358
4094 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4095 escaped_id and callused_id.
4096 (solve_graph): Likewise.
4098 2009-03-04 Richard Guenther <rguenther@suse.de>
4100 PR tree-optimization/39339
4101 * tree-sra.c (try_instantiate_multiple_fields): Make it
4102 no longer ICE on the above.
4104 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4106 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4107 that fits within Pmode.
4109 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4112 * tm.texi (LIBCALL_VALUE): Update description.
4114 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4117 * doc/extend.texi (section): Update description.
4119 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4122 * tree-inline.c (remapped_type): New.
4123 (can_be_nonlocal): Call remapped_type instead of remap_type.
4125 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4128 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4129 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4131 2009-03-03 Richard Guenther <rguenther@suse.de>
4134 * tree.c (tree_nonartificial_location): New function.
4135 * tree.h (tree_nonartificial_location): Declare.
4136 * builtins.c (expand_builtin_memory_chk): Provide location
4137 of the call location for artificial function pieces.
4138 (maybe_emit_chk_warning): Likewise.
4139 (maybe_emit_sprintf_chk_warning): Likewise.
4140 (maybe_emit_free_warning): Likewise.
4141 * expr.c (expand_expr_real_1): Likewise.
4143 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4145 PR tree-optimization/39343
4146 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4147 COMPONENT_REF t has ARRAY_TYPE.
4149 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4152 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4153 when the type precision of the induction variable should be
4154 larger than the type precision of nit.
4155 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4156 * graphite.c (graphite_loop_normal_form): Same.
4157 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4159 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4161 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4162 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4163 numbers to describe clobbered registers.
4164 (*call_value_0_rex64_ms_sysv): Ditto.
4165 * config/i386/mmx.md (mmx_emms): Ditto.
4168 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4170 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4173 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4175 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4176 (spu_section_type_flags): New function.
4178 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4180 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4181 reg_class_contents of FLOAT_REGS into a temporary.
4183 2009-03-02 Richard Guenther <rguenther@suse.de>
4184 Ira Rosen <irar@il.ibm.com>
4186 PR tree-optimization/39318
4187 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4188 information to the vectorized statement.
4190 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4192 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4193 variable. Use defined names instead of magic constants for REX SSE
4196 2009-03-01 Richard Guenther <rguenther@suse.de>
4198 PR tree-optimization/39331
4199 * omp-low.c (lower_send_shared_vars): Do not receive new
4200 values for the reference of DECL_BY_REFERENCE parms or results.
4202 2009-03-01 Jan Hubicka <jh@suse.cz>
4205 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4206 BLOCK_NONLOCALIZED_VAR): New macros.
4207 (tree_block): Add nonlocalized_vars.
4208 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4209 gen_decl_die): Add origin argument. Allow generation of die with
4210 origin at hand only.
4211 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4212 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4214 (gen_block_die): Fix checking for unused blocks.
4215 (process_scope_var): Break out from .... ; work with origins only.
4216 (decls_for_scope) ... here; process nonlocalized list.
4217 (dwarf2out_ignore_block): Look for nonlocalized vars.
4218 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4220 (dump_scope_block): Dump them.
4221 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4222 (remap_block): Likewise.
4223 (can_be_nonlocal): New predicate.
4224 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4226 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4228 * configure: Regenerate.
4230 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4232 * optc-gen.awk: No need to duplicate option flags twice.
4233 Reuse help texts for duplicate options which do not have any.
4235 * gcc.c (display_help): Document --version.
4237 * gcc.c (main): If print_help_list and verbose_flag, ensure
4238 driver output comes before subprocess output.
4240 * optc-gen.awk: Assign all remaining fields to help string,
4241 space-separated, for multi-line help in *.opt.
4243 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4244 -Wno-pedantic-ms-format is for MinGW targets only.
4246 * doc/options.texi (Option file format): Fix bad indentation,
4247 restoring dropped sentence.
4249 2009-02-28 Jan Hubicka <jh@suse.cz>
4251 * tree-inline.c (tree_function_versioning): Output debug info.
4253 2009-02-28 Jan Hubicka <jh@suse.cz>
4256 * tree-inline.c (setup_one_parameter): Do not copy propagate
4257 arguments when not optimizing.
4259 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4262 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4263 (avx_addsubv4df3): Likewise.
4264 (*avx_addsubv4sf3): Likewise.
4265 (sse3_addsubv4sf3): Likewise.
4266 (*avx_addsubv2df3): Likewise.
4267 (sse3_addsubv2df3): Likewise.
4268 (avx_unpckhps256): Correct item selectors.
4269 (avx_unpcklps256): Likewise.
4270 (avx_unpckhpd256): Likewise.
4271 (avx_unpcklpd256): Likewise.
4273 2009-02-28 Jan Hubicka <jh@suse.cz>
4275 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4277 (copy_arguments_for_versioning): If var is declared don't declare it.
4278 (tree_function_versioning): First setup substitutions and then copy
4281 2009-02-27 Jan Hubicka <jh@suse.cz>
4284 * cgraph.h (varpool_output_debug_info): Remove.
4285 * cgraphunit.c (varpool_output_debug_info): Remove.
4286 * dwarf2out.c (deferred_locations_struct): New struct
4287 (deferred_locations): New type.
4288 (deferred_locations_list): New static var.
4289 (deffer_location): New function.
4290 (gen_variable_die): Use it.
4291 (decls_for_scope): Output info on local static vars.
4292 (dwarf2out_finish): Process deferred locations.
4293 * varpool.c (varpool_output_debug_info): Remove.
4295 2009-02-27 Jan Hubicka <jh@suse.cz>
4298 * tree.h (TREE_PROTECTED): Fix comment.
4299 (BLOCK_HANDLER_BLOCK): Remove.
4300 (struct tree_block): Remove handler_block add body_block.
4301 (inlined_function_outer_scope_p): New.
4302 (is_body_block): Remove.
4303 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4304 * dwarf2out.c (is_inlined_entry_point): Remove.
4305 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4306 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4308 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4309 * gimplify.c (gimplify_expr): Gimplify body blocks.
4310 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4311 block with multiple subblocks.
4312 (dump_scope_block): Prettier output; dump more flags and info.
4313 (dump_scope_blocks): New.
4314 (remove_unused_locals): Use dump_scope_blocks.
4315 * tree-flow.h (dump_scope_blocks): Declare.
4316 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4317 * stmt.c (is_body_block): Remove.
4318 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4319 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4321 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4324 * graphite.c (graphite_loop_normal_form): Do not call
4325 number_of_iterations_exit from a gcc_assert.
4327 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4329 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4330 jumps if COND is NULL.
4331 (find_cond_jump): New function.
4332 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4333 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4335 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4337 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4338 force_const_mem returns NULL_RTX.
4340 2009-02-26 Jan Hubicka <jh@suse.cz>
4343 * cgraph.h (varpool_output_debug_info): Remove.
4344 * cgraphunit.c (varpool_output_debug_info): Remove.
4345 * dwarf2out.c (deferred_locations_struct): New struct
4346 (deferred_locations): New type.
4347 (deferred_locations_list): New static var.
4348 (deffer_location): New function.
4349 (gen_variable_die): Use it.
4350 (decls_for_scope): Output info on local static vars.
4351 (dwarf2out_finish): Process deferred locations.
4352 * varpool.c (varpool_output_debug_info): Remove.
4354 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4356 PR rtl-optimization/39241
4357 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4358 to subreg_offset_representable_p.
4360 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4362 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4363 execute function prototype. Get f and nregs from max_reg_num
4364 and get_insns. Remove the first backward pass as it's dead,
4365 guard the forward pass by flag_expensive_optimizations.
4366 (rest_of_handle_regmove): Delete.
4367 (pass_regmove): Replace it with regmove_optimize.
4369 2009-02-25 Martin Jambor <mjambor@suse.cz>
4371 PR tree-optimization/39259
4372 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4373 calls_alloca function flags.
4374 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4377 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4379 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4380 flags_set_1_rtx, flags_set_1_set): Delete.
4381 (regmove_optimize): Do not call mark_flags_life_zones.
4383 2009-02-24 Julian Brown <julian@codesourcery.com>
4386 * config/arm/arm.c (require_pic_register): Only set
4387 cfun->machine->pic_reg once per function.
4389 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4391 * doc/invoke.texi (Link Options): Document an easier way to pass
4392 options that take arguments to the GNU linker using -Xlinker and -Wl.
4394 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4397 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4399 2009-02-24 Richard Guenther <rguenther@suse.de>
4402 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4404 2009-02-24 Richard Guenther <rguenther@suse.de>
4405 Zdenek Dvorak <ook@ucw.cz>
4407 PR tree-optimization/39233
4408 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4409 from converting them to a generic type.
4411 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4413 PR tree-optimization/39260
4414 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4415 contains a condition with a real type.
4416 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4418 2009-02-23 Jason Merrill <jason@redhat.com>
4421 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4422 narrowing_initializer_constant_valid_p.
4423 (narrowing_initializer_constant_valid_p): Don't return
4424 null_pointer_node for adding a pointer to itself.
4426 2009-02-23 Jan Hubicka <jh@suse.cz>
4429 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4432 2009-02-23 Jan Hubicka <jh@suse.cz>
4434 PR tree-optimization/37709
4435 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4436 * tree.h (block_ultimate_origin): Declare.
4437 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4438 * tree-ssa-live.c (remove_unused_scope_block_p):
4439 Eliminate blocks containig no instructions nor live variables nor
4441 (dump_scope_block): New function.
4442 (remove_unused_locals): Enable removal of dead blocks by default;
4443 enable dumping at TDF_DETAILS.
4445 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4447 * config/i386/i386.c (classify_argument): Don't allow COImode
4449 (function_arg_advance_32): Don't allow OImode.
4450 (function_arg_32): Likewise.
4451 (function_value_32): Likewise.
4452 (return_in_memory_32): Likewise.
4453 (function_arg_64): Remove OImode comment.
4455 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4458 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4459 ix86_expand_vector_set for V4DImode in 64bit mode only.
4460 (ix86_expand_vector_init_one_var): Likewise.
4462 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4464 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4466 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4469 * loop-iv.c: Revert last change.
4470 * emit-rtl.c: Likewise.
4472 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4475 * config/i386/i386.c (type_natural_mode): Remove an extra
4476 space in the warning message.
4477 (function_value_32): Handle 32-byte vector modes.
4478 (return_in_memory_32): Likewise.
4480 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4482 * loop-iv.c (truncate_value): New function.
4483 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4485 (lowpart_subreg): Move to...
4486 * emit-rtl.c: ...here.
4488 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4490 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4491 accidental and undocumented change at revision 140860.
4493 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4495 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4496 take gimple_seq * arguments.
4497 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4498 types_compatible_p langhook.
4500 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4501 Joseph Myers <joseph@codesourcery.com>
4503 * config/arm/arm.c (arm_builtin_va_list): New function.
4504 (arm_expand_builtin_va_start): Likewise.
4505 (arm_gimplify_va_arg_expr): Likewise.
4506 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4507 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4508 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4509 (va_list_type): New variable.
4510 (arm_mangle_type): Mangle va_list_type appropriately.
4512 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4515 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4516 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4517 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4518 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4519 parameter to 1000 for -O1 by default.
4520 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4522 * loop-invariant.c: Include params.h.
4523 (move_loop_invariants): Don't call move_single_loop_invariants on
4526 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4528 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4529 offset when calculating bounds for indexing stack_usage_map. Fixes
4530 a buffer overflow with certain target setups.
4532 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4535 * calls.c (expand_call): Clear try_tail_call if caller and callee
4536 disagree in promotion of function return value.
4538 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4541 * c-common.c (c_determine_visibility): If visibility changed and
4542 DECL_RTL has been already set, call make_decl_rtl to update symbol
4545 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4548 * varasm.c (assemble_variable): Don't check DECL_NAME when
4549 globalizing a variable.
4551 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4554 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4555 expression before any __builtin_trap call.
4556 * c-typeck.c (build_function_call): Convert and check function
4557 arguments before generating a call to a trap. Evaluate the
4558 function arguments before the trap.
4560 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4563 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4564 (UNSPEC_FXAM_MEM): New unspec.
4565 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4566 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4567 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4569 2009-02-19 Richard Guenther <rguenther@suse.de>
4571 PR tree-optimization/39207
4572 PR tree-optimization/39074
4573 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4574 storedanything_tree): New.
4575 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4576 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4577 (build_succ_graph): Add edges from STOREDANYTHING to all
4579 (init_base_vars): Initialize STOREDANYTHING.
4580 (compute_points_to_sets): Free substitution info after
4581 building the succ graph.
4582 (ipa_pta_execute): Likewise.
4584 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4586 (do_ds_constraint): Do not add to special var or non-pointer
4588 (type_could_have_pointers): Split out from ...
4589 (could_have_pointers): ... here. For arrays use the element type.
4590 (create_variable_info_for): Initialize may_have_pointers.
4591 (new_var_info): Likewise.
4592 (handle_lhs_call): Make the HEAP variable unknown-sized.
4593 (intra_create_variable_infos): Use a type with pointers for
4594 PARM_NOALIAS, make it unknown-sized.
4596 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4599 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4601 2009-02-18 Jason Merrill <jason@redhat.com>
4604 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4605 value if DECL_EXTERNAL.
4606 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4607 * target.h (gcc_target::binds_local_p): Clarify "module".
4608 * tree.h (TREE_PUBLIC): Clarify "module".
4610 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4613 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4614 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4616 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4619 * c.opt (Wabi): Support C and ObjC.
4622 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4624 * config/i386/i386.c (classify_argument): Warn once about the ABI
4625 change when passing union with long double.
4627 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4629 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4632 * c-parser.c (c_parser_compound_statement): Always enter and leave
4635 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4638 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4640 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4642 PR tree-optimization/36922
4643 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4644 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4647 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4649 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4652 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4654 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4656 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4658 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4661 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4662 Richard Sandiford <rdsandiford@googlemail.com>
4664 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4665 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4666 (loongson_biadd): ...this.
4668 2009-02-17 Richard Guenther <rguenther@suse.de>
4670 PR tree-optimization/39202
4671 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4672 a var make sure to follow existing collapses.
4674 2009-02-17 Richard Guenther <rguenther@suse.de>
4677 * langhooks.c (lhd_print_error_function): Check for NULL block.
4679 2009-02-17 Richard Guenther <rguenther@suse.de>
4681 PR tree-optimization/39204
4682 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4685 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4687 * config/soft-fp/double.h: Update from glibc CVS.
4689 2009-02-17 Richard Guenther <rguenther@suse.de>
4691 PR tree-optimization/39207
4692 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4693 strict-aliasing warnings for pointers pointing to NULL.
4695 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4698 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4699 skipping until next close brace.
4701 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4704 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4705 to function argument boundary.
4707 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4709 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4710 in the lea_add. Reload eventually constraints it properly.
4711 * config/picochip/constraints.md : Remove the target constraint
4712 "b", since it is not needed anymore.
4714 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4716 * gthr-dce.h: Uglify function parameter and local variable names.
4717 * gthr-gnat.h: Likewise.
4718 * gthr-mipssde.h: Likewise.
4719 * gthr-nks.h: Likewise.
4720 * gthr-posix95.h: Likewise.
4721 * gthr-posix.h: Likewise.
4722 * gthr-rtems.h: Likewise.
4723 * gthr-single.h: Likewise.
4724 * gthr-solaris.h: Likewise.
4725 * gthr-tpf.h: Likewise.
4726 * gthr-vxworks.h: Likewise.
4727 * gthr-win32.h: Likewise.
4729 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4732 * config/i386/i386.md: Restrict the new peephole2 to move
4733 between MMX/SSE registers.
4735 2009-02-15 Richard Guenther <rguenther@suse.de>
4738 2009-02-13 Richard Guenther <rguenther@suse.de>
4740 * configure.ac: Enable LFS.
4741 * configure: Re-generate.
4742 * config.in: Likewise.
4744 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4746 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4747 spu_srqwbyte, spu_srqwbytebc): Define.
4748 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4749 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4750 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4751 "shrqby_<mode>"): New insn-and-split patterns.
4752 * config/spu/spu.c (expand_builtin_args): Determine and return
4753 number of operands using spu_builtin_description data.
4754 (spu_expand_builtin_1): Use it.
4756 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4759 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4762 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4765 * config/i386/i386.c (override_options): Correct warning
4766 messages for -malign-loops, -malign-jumps and -malign-functions.
4768 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4771 * config/i386/i386.md: Restrict the new peephole2 to move
4772 between the general purpose registers.
4774 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4777 * config/i386/i386.c (type_natural_mode): Add a new argument.
4778 Return the original mode and warn ABI change if vector size is 32byte.
4779 (function_arg_advance): Updated.
4780 (function_arg): Likewise.
4781 (ix86_function_value): Likewise.
4782 (ix86_return_in_memory): Likewise.
4783 (ix86_sol10_return_in_memory): Likewise.
4784 (ix86_gimplify_va_arg): Likewise.
4785 (function_arg_32): Don't warn ABX ABI change here.
4786 (function_arg_64): Likewise.
4788 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4790 * loop-iv.c (implies_p): In the final case, test that operands 0
4791 of the two comparisons match.
4793 * config/bfin/bfin.c (find_prev_insn_start): New function.
4794 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4795 (find_next_insn_start): Move.
4797 2009-02-13 Richard Guenther <rguenther@suse.de>
4799 * configure.ac: Enable LFS.
4800 * configure: Re-generate.
4801 * config.in: Likewise.
4803 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4806 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4807 sizes on syntax error after some arguments have been parsed.
4809 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4811 * doc/invoke.texi (-fira): Remove.
4813 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4815 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4816 * recog.c: Likewise.
4819 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4821 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4822 (umul_ppmm): Likewise.
4823 (count_leading_zeros): Likewise.
4824 (count_trailing_zeros): Likewise.
4825 (UMUL_TIME): Likewise.
4827 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4829 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4830 soft-fp/t-softfp to tmake_file.
4832 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4833 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4834 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4835 IA64_BUILTIN_INFQ]: New.
4836 (ia64_init_builtins): Initialize __builtin_infq,
4837 __builtin_fabsq and __builtin_copysignq if not HPUX.
4838 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4839 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4841 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4843 (__fixtfti): Likewise.
4844 (__fixunstfti): Likewise.
4845 (__floattitf): Likewise.
4847 * config/ia64/libgcc-glibc.ver: New.
4848 * config/ia64/t-fprules-softfp: Likewise.
4849 * config/ia64/sfp-machine.h: Likewise.
4851 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4852 (LIBGCC2_TF_CEXT): Likewise.
4853 (TF_SIZE): Likewise.
4854 (TARGET_INIT_LIBFUNCS): Likewise.
4856 * config/ia64/t-glibc (SHLINB_MAPFILES):
4857 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4859 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4861 * config/i386/i386.c (construct_container): Rewrite processing
4862 BLKmode with X86_64_SSE_CLASS.
4864 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4867 * config/i386/i386.md: Replace simplify_replace_rtx with
4868 replace_rtx in the new peephole2.
4870 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4872 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4873 loop unrolling do not happen at -O2.
4875 2009-02-12 Michael Matz <matz@suse.de>
4877 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4879 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4881 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4884 2009-02-12 Ben Elliston <bje@au.ibm.com>
4886 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4887 patterns when updating the back chain. Missed in the 2009-02-10
4890 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4892 * doc/extend.texi (Decimal Floating Types): Update identifier of
4893 draft TR and list of missing support.
4895 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4898 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4899 bit to variable length decl's flags, add it also to its
4900 pointer replacement variable.
4902 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4903 Jakub Jelinek <jakub@redhat.com>
4906 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4907 (memory_blockage): New expander.
4908 (*memory_blockage): New insn pattern.
4909 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4910 instead of general blockage at the end of function prologue when
4911 frame pointer is used to access red zone area. Do not emit blockage
4912 when profiling, it is emitted in generic code.
4913 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4914 function epilogue when frame pointer is used to access red zone area.
4916 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4919 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4920 by arithmetic with memory operands.
4921 * config/i386/predicates.md (commutative_operator): New.
4923 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4925 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4928 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4930 * alias.h (record_alias_subset): Declare.
4931 * alias.c (record_alias_subset): Make global.
4933 2009-02-10 Nick Clifton <nickc@redhat.com>
4935 * tree-parloops.c: Change license to GPLv3.
4936 * ipa-struct-reorg.c: Change license to GPLv3.
4937 * ipa-struct-reorg.h: Change license to GPLv3.
4939 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4942 * c-decl.c (start_struct): Return NULL on error.
4944 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4947 * cfgloopmanip.c (remove_path): Call remove_bbs after
4948 cancel_loop_tree, not before it.
4951 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4952 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4953 VAR_DECLs were seen.
4954 * tree-ssa-live.c (remove_unused_locals): Recompute
4955 cfun->has_local_explicit_reg_vars.
4956 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4957 copies or clearings if cfun->has_local_explicit_reg_vars.
4959 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4962 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4963 of function prologue when frame pointer is used to access
4966 2009-02-10 Richard Guenther <rguenther@suse.de>
4969 * gimplify.c (gimple_regimplify_operands): Always look if
4970 we need to create a temporary.
4972 2009-02-10 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/39132
4975 * tree-loop-distribution.c (todo): New global var.
4976 (generate_memset_zero): Trigger TODO_rebuild_alias.
4977 (tree_loop_distribution): Return todo.
4979 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4982 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4983 (x86_64_reg_class_name): Removed.
4984 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4985 first one isn't X86_64_SSE_CLASS or any other ones aren't
4986 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4987 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4988 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4989 and 3 X86_64_SSEUP_CLASS.
4990 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4991 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4993 2009-02-10 Ben Elliston <bje@au.ibm.com>
4995 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4996 form instruction to update the stack back chain word, even if the
4997 user has disabled the generation of update instructions.
4998 (movdi_<mode>_update_stack): New.
4999 (movsi_update_stack): Likewise.
5000 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5001 always use an update form instruction to update the stack back
5004 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5007 * graphite.c (if_region_set_false_region): After moving a region in
5008 the false branch of a condition, remove the empty dummy basic block.
5009 (gloog): Remove wrong fix for PR38953.
5011 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5013 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5014 generation due to implicit sign extension.
5016 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5019 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5020 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5022 2009-02-09 Richard Guenther <rguenther@suse.de>
5025 * convert.c (convert_to_real): Disable (float)fn((double)x)
5026 to fnf(x) conversion if errno differences may occur and
5027 -fmath-errno is set.
5029 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5031 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5032 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5033 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5035 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5038 * c-common.c (handle_alias_attribute): Disallow attribute for
5039 anything not a FUNCTION_DECL or VAR_DECL.
5041 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5044 * real.c (do_compare): Special-case compare of zero against
5045 decimal float value.
5047 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5050 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5051 as indicating flexible array members unless the field itself is
5052 being declarared as the incomplete array.
5054 2009-02-06 Jan Hubicka <jh@suse.cz>
5056 PR tree-optimization/38844
5057 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5060 2009-02-06 Richard Guenther <rguenther@suse.de>
5063 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5064 fork because we may expand it as __gcov_fork.
5066 2009-02-06 Nick Clifton <nickc@redhat.com>
5068 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5070 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5072 PR tree-optimization/35659
5073 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5074 vn_phi_eq): Shortcut if hashcode does not match.
5075 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5077 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5078 and avoid iterative_hash_expr.
5079 (FOR_EACH_VALUE_ID_IN_SET): New.
5080 (value_id_compare): Remove.
5081 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5082 sort expressions by value id.
5084 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5087 * config/sh/predicates.md (general_movsrc_operand): Don't check
5088 the subreg of system registers here.
5090 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5093 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5096 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5098 PR rtl-optimization/39110
5099 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5100 addresses, not aligned ones.
5102 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5103 Richard Guenther <rguenther@suse.de>
5105 PR tree-optimization/39100
5106 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5107 comment says and add edges.
5109 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5112 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5113 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5115 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5117 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5118 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5119 register_bb_in_sese, new_sese, free_sese): Moved.
5120 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5121 outermost_loop_in_scop, build_scop_iteration_domain,
5122 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5123 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5124 Use loop_in_sese_p instead of loop_in_scop_p.
5125 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5126 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5127 (scopdet_basic_block_info): Fix bug in scop detection.
5128 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5129 eq_loop_to_cloog_loop): Remove.
5130 (nb_loops_around_loop_in_scop, nb_loop
5131 ref_nb_loops): Moved here...
5132 * graphite.h (ref_nb_loops): ... from here.
5133 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5134 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5135 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5136 * testsuite/gcc.dg/graphite/scop-19.c: New
5138 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5139 Hans-Peter Nilsson <hp@axis.com>
5141 PR rtl-optimization/37889
5142 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5143 Move offset handling from PLUS to before the switch. Use new
5144 arguments when considering SYMBOL_REFs too.
5145 (rtx_addr_can_trap_p): Pass dummy offset and size.
5146 (enum may_trap_p_flags): Remove.
5147 (may_trap_p_1): Pass size from MEM_SIZE.
5149 PR rtl-optimization/38921
5150 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5151 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5152 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5153 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5155 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5157 AVX Programming Reference (January, 2009)
5158 * config/i386/sse.md (*vpclmulqdq): New.
5160 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5162 PR tree-optimization/38977
5163 PR gcov-profile/38292
5164 * calls.c (special_function_p): Disregard __builtin_ prefix.
5166 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5168 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5169 non-indexable addresses even before reload.
5171 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5174 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5175 as having variable size. Do not give an error for unnamed
5176 parameters with [*] declarators. Give a warning for type names
5177 with [*] declarators and mark them as variable size.
5178 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5179 for sizeof applied to [*] type names.
5181 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5184 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5186 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5188 * gcc.c (process_command): Update copyright notice dates.
5189 * gcov.c (print_version): Likewise.
5190 * gcov-dump.c (print_version): Likewise.
5191 * mips-tfile.c (main): Likewise.
5192 * mips-tdump.c (main): Likewise.
5194 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5197 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5198 for composite type involving a zero-length array type.
5200 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5203 * function.c (match_asm_constraints_1): Skip over
5204 initial optional % in the constraint.
5207 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5208 supported, don't accept FIXED_CSTs.
5209 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5210 and _Sat is used without _Fract/_Accum. Set specs->type to
5211 integer_type_node for cts_fract/cts_accum if fixed point is not
5214 2009-02-02 Catherine Moore <clm@codesourcery.com>
5216 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5218 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5220 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5221 (ABI_HAS_64BIT_SYMBOLS): Use it.
5222 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5224 2009-02-02 Paul Brook <paul@codesourcery.com>
5226 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5228 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5231 * recog.h (asm_operand_ok): Add constraints argument.
5232 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5233 recurse on matching constraint.
5234 (check_asm_operands): Pass constraints as 3rd argument to
5235 asm_operand_ok. Don't look up matching constraint here.
5236 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5239 2009-02-02 Ben Elliston <bje@au.ibm.com>
5241 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5242 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5244 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5246 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5247 information. Remove some obsolete information. Reorganize.
5249 * config/pa/fptr.c: Revert license to GPL 2.
5250 * config/pa/milli64.S: Likewise.
5252 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5255 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5256 LIBRARY name in, instead of hard-coding it.
5257 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5258 extra target make frag to tmake_files according to EH model.
5259 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5260 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5261 frags that define makefile variable EH_MODEL appropriately.
5262 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5263 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5264 to "-sjlj" according to type of EH configured.
5265 (LIBGCC_SONAME): Concatenate it to shared library base name.
5266 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5267 to "_sjlj" according to type of EH configured.
5268 (LIBGCC_SONAME): Concatenate it to shared library base name.
5269 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5270 (SHLIB_LINK): Add missing semicolon to if-else construct.
5271 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5272 string value of "pe_dll" command-line option.
5273 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5274 (SHLIB_SONAME): Use it when overriding t-cygming default.
5275 (SHLIB_IMPLIB): Override t-cygming default.
5276 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5277 string value of "pe_dll" command-line option.
5279 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5282 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5283 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5285 2009-01-31 Richard Guenther <rguenther@suse.de>
5287 PR tree-optimization/38937
5288 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5289 computing the transitive closure.
5291 2009-01-30 Richard Guenther <rguenther@suse.de>
5293 PR tree-optimization/39041
5294 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5295 Propagate variable indices only if the types match for this stmt.
5297 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5300 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5301 inline but never defined.
5303 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5305 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5306 (*insv_h_di_reg_extimm): New insn.
5307 (*insv_l<mode>_reg_extimm): New insn.
5309 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5311 * config/picochip/picochip.c (flag_conserve_stack): set
5312 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5313 fconserve-stack. Reduce call-overhead used by inliner.
5315 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5318 * common.opt (flag_conserve_stack): Initialised to zero.
5320 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5323 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5324 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5327 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5329 * ira-color.c (allocno_reload_assign): Update comments.
5330 * regmove.c (regmove_optimize): Likewise.
5334 2009-01-29 Robert Millan <rmh@aybabtu.com>
5336 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5337 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5338 `MD_UNWIND_SUPPORT'.
5339 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5341 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5343 PR tree-optimization/39007
5344 * tree-loop-distribution.c (generate_builtin): Use
5345 recompute_dominator to compute the immediate dominator of the
5346 basic block just after the loop.
5348 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5350 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5351 (ASM_OUTPUT_DWARF_PCREL): Define.
5353 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5355 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5356 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5357 global. Modify entries about regmove and IRA.
5359 * ra-conflict.c: Remove the file.
5361 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5363 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5364 (pass_regclass_init): Rename to pass_reginfo_init.
5366 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5368 * toplev.h (flag_ira): Remove.
5370 * caller-save.c (setup_save_areas): Remove flag_ira.
5372 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5374 * global.c: Remove the file.
5376 * opts.c (decode_options): Remove flag_ira.
5378 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5380 * regmove.c: Modify file description.
5381 (find_use_as_address, try_auto_increment): Define them only if
5382 AUTO_INC_DEC is defined.
5383 (replacement_quality, replace_in_call_usage, fixup_match_1,
5384 stable_and_no_regs_but_for_p): Remove.
5385 (reg_set_in_bb): Make it static.
5386 (regmove_optimize): Remove flag_ira and code which worked for
5389 * local-alloc.c: Remove the file.
5391 * common.opt (fira): Remove.
5393 * ira.c: Include except.h.
5394 (eliminable_regset): Move from global.c.
5395 (mark_elimination): Ditto. Remove flag_ira.
5396 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5397 equiv_mem_modified, validate_equiv_mem_from_store,
5398 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5399 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5400 no_equiv, recorded_label_ref): Move from local-alloc.c.
5401 (update_equiv_regs): Ditto. Make it static.
5402 (print_insn_chain, print_insn_chains): Move it from global.c.
5403 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5404 (build_insn_chain): Ditto. Make it static.
5405 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5406 Rename to init_live_subregs.
5407 (gate_ira): Remove flag_ira.
5409 * regclass.c: Rename reginfo.c. Change file description.
5410 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5411 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5412 (init_reg_sets_1): Remove code for evaluation of
5413 reg_class_superclasses and losing_caller_save_reg_set.
5414 (init_regs): Remove init_reg_autoinc.
5415 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5416 ok_for_base_p_nonstrict): Remove.
5417 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5418 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5419 corresponding entries.
5420 (dump_regclass, record_operand_costs, scan_one_insn,
5421 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5422 record_address_regs, auto_inc_dec_reg_p): Remove.
5423 (gt-regclass.h): Rename to gt-reginfo.h.
5425 * rtl.h (dump_global_regs, retry_global_alloc,
5426 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5428 * Makefile.in (RA_H): Remove.
5429 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5430 Rename regclass.o to reginfo.o.
5431 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5433 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5434 (GTFILES): Rename regclass.c to reginfo.c.
5436 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5437 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5439 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5440 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5442 (finish_spills): Ditto. Remove code for !flag_ira.
5444 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5447 * doc/invoke.texi (rtl debug options): Complete rewrite.
5448 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5450 * mode-switching.c (pass_mode_switching): Rename pass from
5451 "mode-sw" to "mode_sw".
5452 * except.c (pass_convert_to_eh_ranges): Rename pass from
5453 "eh-ranges" to "eh_ranges".
5454 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5458 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5459 Alexander Monakov <amonakov@ispras.ru>
5462 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5464 (move_exprs_to_boundary): Change return type and pass through
5465 should_move from move_op. Relax assert. Update usage ...
5466 (schedule_expr_on_boundary): ... here. Use should_move instead of
5468 (move_op_orig_expr_found): Indicate that insn was disconnected from
5470 (code_motion_process_successors): Do not call after_merge_succs
5471 callback if original expression was not found when traversing any of
5473 (code_motion_path_driver): Change return type. Update prototype.
5474 (move_op): Update comment. Add a new parameter (should_move). Update
5475 prototype. Set *should_move based on indication provided by
5476 move_op_orig_expr_found.
5478 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5480 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5481 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5482 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5483 * config/rs6000/rs6000.c (rs6000_override_options): Default
5484 avoid-indexed-addresses on for Power6, off for everything else.
5485 (avoiding_indexed_address_p): New function.
5486 (rs6000_legitimize_address): Use it.
5487 (rs6000_legitimate_address): Likewise.
5488 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5490 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5492 PR tree-optimization/38997
5493 * tree-loop-distribution.c (generate_memset_zero): Use
5494 POINTER_PLUS_EXPR for a pointer addition.
5496 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5498 * config/s390/s390.md (bswap<mode>2): New pattern added.
5500 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5502 * config/s390/s390.md (*tls_load_31): Added type attribute.
5504 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5506 * config/s390/s390.md: Fix a few comments.
5508 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5510 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5511 (*tm<mode>_full): Fixed z10prop attribute.
5512 (*tst<mode>_extimm): Fixed z10prop attribute.
5513 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5514 (*tstqiCCT_cconly): Fixed z10prop attribute.
5515 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5516 (*movsi_larl): Fixed z10prop attribute.
5517 (*movsi_zarch): Fixed z10prop attribute.
5518 (*movsi_eas): Fixed z10prop attribute.
5519 (*movhi): Fixed z10prop attribute.
5520 (*movqi): Fixed z10prop attribute.
5521 (*movstrictqi): Fixed z10prop attribute.
5522 (*mov<mode>): Fixed z10prop attribute.
5523 (*movcc): Fixed z10prop attribute.
5524 (*sethighpartdi_64): Fixed z10prop attribute.
5525 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5526 (*negdi2_sign_cc): Fixed z10prop attribute.
5527 (*negdi2_sign): Fixed z10prop attribute.
5528 (*absdi2_sign_cc): Fixed z10prop attribute.
5529 (*absdi2_sign): Fixed z10prop attribute.
5530 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5531 (*negabsdi2_sign): Fixed z10prop attribute.
5532 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5533 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5534 (doloop_si64): Fixed z10prop attribute.
5535 (doloop_si31): Fixed z10prop attribute.
5536 (doloop_long): Fixed z10prop attribute.
5537 (indirect_jump): Fixed z10prop attribute.
5538 (nop): Fixed z10prop attribute.
5539 (main_base_64): Fixed z10prop attribute.
5540 (reload_base_64): Fixed z10prop attribute.
5542 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5544 PR rtl-optimization/38740
5545 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5547 * config/mips/mips.c (mips_reorg): Likewise.
5549 2009-01-28 Richard Guenther <rguenther@suse.de>
5551 PR tree-optimization/38926
5552 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5553 with the correct value id to a value.
5554 (do_regular_insertion): Use the value number of edoubleprime
5555 for the value number of the expr.
5558 2008-08-21 Richard Guenther <rguenther@suse.de>
5560 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5561 a PHI ask VN if it is already available.
5562 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5563 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5565 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5568 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5569 set to varying whenever max has TREE_OVERFLOW set, similarly
5570 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5572 2009-01-28 Richard Guenther <rguenther@suse.de>
5575 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5576 uninitialized aggregate uses in call arguments.
5578 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5580 PR tree-optimization/38984
5581 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5582 the nothing_id variable if -fno-delete-null-pointer-checks.
5584 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5587 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5588 (set_got_offset_rex64): Ditto.
5590 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5593 * doc/extend.texi: Improve local variable with asm reg.
5595 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5597 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5598 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5599 was not supplied then set warn_packed_bitfield_compat to the
5601 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5604 2009-01-27 Richard Guenther <rguenther@suse.de>
5606 PR tree-optimization/38503
5607 * cfgexpand.c (expand_gimple_basic_block): Ignore
5608 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5609 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5610 variables that cannot have TBAA applied.
5611 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5614 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5617 * calls.c (initialize_argument_information): Do not wrap complex
5618 arguments in SAVE_EXPR.
5620 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5622 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5623 (INSTALL_LIBGCC): Revert typo commit.
5625 2009-01-26 Richard Guenther <rguenther@suse.de>
5627 PR tree-optimization/38745
5628 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5629 from special handling.
5631 2009-01-26 Richard Guenther <rguenther@suse.de>
5633 PR tree-optimization/38745
5634 * tree-ssa.c (execute_update_addresses_taken): Do not include
5635 variables that cannot possibly be a register in not_reg_needs.
5636 Do not clear TREE_ADDRESSABLE on vars that may not become
5638 * tree-ssa.c (update_alias_info_1): Include those in the set
5639 of addressable vars.
5641 2009-01-26 Richard Guenther <rguenther@suse.de>
5644 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5645 * tree-ssa-dse.c: Include langhooks.h
5646 (execute_simple_dse): Remove stores with zero size.
5648 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5651 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5654 2009-01-24 Julian Brown <julian@codesourcery.com>
5656 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5657 config/arm/linux-atomic.c.
5658 * config/arm/linux-atomic.c: New.
5660 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5662 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5663 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5664 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5666 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5669 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5672 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5674 PR tree-optimization/38953
5675 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5676 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5677 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5678 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5681 2009-01-24 Paul Brook <paul@codesourcery.com>
5683 * config/arm/neon.md (neon_type): Move to arm.md.
5684 (neon_mov<VSTRUCT>): Add neon_type attribute.
5685 * config/arm/arm.md (neon_type): Move to here.
5686 (conds): Add "unconditioal" and use as default for NEON insns.
5688 2009-01-24 Ben Elliston <bje@au.ibm.com>
5690 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5691 void *' warning from -Wc++-compat.
5692 * Makefile.in (dominance.o-warn): Remove.
5694 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5696 PR tree-optimization/38932
5697 * fold-const.c (fold_unary_ignore_overflow): New.
5698 * tree.h (fold_unary_ignore_overflow): Declare.
5699 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5700 * tree-ssa-sccvn.c (visit_reference_op_load,
5701 simplify_unary_expression): Likewise.
5703 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5705 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5706 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5707 regardless of their type.
5708 * c-common.c (handle_packed_attribute): Don't ignore packed on
5710 * c.opt (Wpacked-bitfield-compat): New warning option.
5711 * stor-layout.c (place_field): Warn if offset of a field changed.
5712 * doc/extend.texi (packed): Mention the ABI change.
5713 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5714 (Warning Options): Add it to the list.
5716 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5718 * c-opts.c (c_common_post_options): Fix a typo in comments.
5720 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5723 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5724 variables to static.
5725 * doc/invoke.texi (-fmerge-all-constants): Update description.
5727 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5730 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5731 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5733 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5735 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5737 (LOCAL_ALIGNMENT): Similarly.
5739 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5740 Joseph Myers <joseph@codesourcery.com>
5742 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5743 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5744 * config/arm/arm-tune.md: Regenerate.
5745 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5748 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5750 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5751 version number to five.
5753 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5756 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5757 * c-common.c (set_underlying_type): Likewise.
5758 (is_typedef_decl ): Likewise
5760 (set_underlying_type): Likewise.
5761 (is_typedef_type): Likewise.
5763 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5766 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5769 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5772 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5773 (LIBGCC_SPEC): Don't define.
5774 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5776 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5778 PR rtl-optimization/38879
5779 * alias.c (base_alias_check): Unaligned access via AND address can
5780 alias all surrounding object types except those with sizes equal
5781 or wider than the size of unaligned access.
5783 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5786 * c-decl.c (clone_underlying_type): Move this ...
5787 * c-common.c (set_underlying_type): ... here.
5788 Also, make sure the function properly sets TYPE_STUB_DECL() on
5789 the newly created typedef variant type.
5790 (is_typedef_decl ): New entry point.
5791 * tree.h: Added a new member member_types_needing_access_check to
5792 struct tree_decl_non_common.
5793 (set_underlying_type): New entry point.
5794 (is_typedef_type): Likewise.
5796 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5798 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5799 Check whether two instructions have memory references that
5800 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5801 are helper functions for traversing.
5802 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5803 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5804 not to draw dependency edge for instructions with non-conflicting
5807 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5810 * longlong.h: Update copyright years. Use soft-fp license notice.
5811 Sync __clz_tab declaration with glibc.
5813 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5816 * doc/extend.texi (syscall_linkage): New.
5817 (version_id): Modify.
5819 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5820 Richard Guenther <rguenther@suse.de>
5822 PR tree-optimization/38747
5823 PR tree-optimization/38748
5824 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5825 conversion if the base address is an indirect reference and the
5826 aliasing sets could cause issues.
5828 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5830 * common.opt (fgraphite, fgraphite-identity): Add comment for
5831 explaining why these options are not documented.
5833 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5835 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5836 gimple_call_lhs is NULL.
5838 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5841 * emit-rtl.c (adjust_address_1): Make sure memref is never
5844 2009-01-20 Ben Elliston <bje@au.ibm.com>
5846 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5847 const qualifier from arg parameter. Remove unnecessary cast to char *.
5848 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5849 const qualifier from arg 2.
5851 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5853 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5855 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5858 * rtl.h (reinit_regs): New prototype.
5859 * regclass.c: Include ira.h.
5861 * Makefile.in (regclass.o): Add ira.h.
5862 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5864 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5867 * c-common.c (handle_aligned_attribute): Use
5868 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5869 default alignment value.
5871 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5873 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5874 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5876 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5877 __BIGGEST_ALIGNMENT__.
5879 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5881 2009-01-18 Richard Guenther <rguenther@suse.de>
5883 PR tree-optimization/38819
5884 * tree-flow.h (operation_could_trap_helper_p): Declare.
5885 * tree-eh.c (operation_could_trap_helper_p): Export.
5886 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5887 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5888 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5889 are about to insert a possibly trapping instruction and fail
5892 2009-01-18 Andreas Schwab <schwab@suse.de>
5894 * doc/install.texi (Configuration): Remove obsolete paragraph
5895 about use of --with-gnu-ld with --with-gnu-as.
5897 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5899 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5900 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5901 Follow spelling conventions.
5903 2009-01-18 Ben Elliston <bje@au.ibm.com>
5905 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5906 C++ warning about implicit conversion from void * to struct
5908 (bitmap_obstack_free): Likewise for bitmap_element *.
5909 * Makefile.in (bitmap.o-warn): Remove.
5911 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5913 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5915 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5916 Tobias Grosser <tobi.grosser@amd.com>
5918 * graphite.c (graphite_trans_scop_block): Do not block single
5921 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5923 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5924 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5925 test with assertion.
5927 2009-01-16 Richard Guenther <rguenther@suse.de>
5929 PR tree-optimization/38835
5931 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5932 and INT + PTR -> (INT)(PTR p+ INT) folding.
5933 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5935 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5938 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5939 the subreg from a lowpart subreg if it is also casting the value.
5941 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5942 Tobias Grosser <tobi.grosser@amd.com>
5944 * graphite.c (compare_prefix_loops): New.
5945 (build_scop_canonical_schedules): Rewritten.
5946 (graphite_transform_loops): Move build_scop_canonical_schedules
5947 after build_scop_iteration_domain.
5949 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5950 Tobias Grosser <tobi.grosser@amd.com>
5952 * graphite.c (add_conditions_to_domain): Add the loops to
5953 the dimension of the iteration domain. Do copy the domain
5954 only when it exists.
5955 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5956 (add_conditions_to_constraints): New.
5957 (can_generate_code_stmt, can_generate_code): Removed.
5958 (gloog): Do not call can_generate_code.
5959 (graphite_transform_loops): Call add_conditions_to_constraints
5960 after building the iteration domain.
5962 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5964 PR tree-optimization/38789
5965 * tree-ssa-threadedge.c
5966 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5967 __builtin_constant_p.
5969 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5971 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5972 examined before deleting them.
5974 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5976 * function.c (aggregate_value_p): Correctly extract the function
5977 type from CALL_EXPR_FN lookup.
5979 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5981 * config/picochip/picochip.c (picochip_override_options): Revert
5982 CFI asm flag disable commited previously.
5984 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5985 Tobias Grosser <tobi.grosser@amd.com>
5986 Jan Sjodin <jan.sjodin@amd.com>
5988 * graphite.c (scan_tree_for_params): On substractions negate
5989 all the coefficients of the term.
5990 (clast_to_gcc_expression_red): New. Handle reduction expressions
5991 of more than two operands.
5992 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5993 (get_vdef_before_scop): Handle also the case of default definitions.
5995 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5997 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5998 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5999 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6001 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6002 Joey Ye <joey.ye@intel.com>
6005 * cfgexpand.c (expand_stack_alignment): Don't update stack
6006 boundary nor check incoming stack boundary here.
6007 (gimple_expand_cfg): Update stack boundary and check incoming
6008 stack boundary here.
6010 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6012 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6014 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6016 PR rtl-optimization/38245
6017 * calls.c (expand_call): Add stack arguments to
6018 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6019 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6020 in regs and partially in memory or BLKmode arguments.
6021 (emit_library_call_value_1): Add stack arguments to
6022 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6023 ACCUMULATE_OUTGOING_ARGS).
6024 * dce.c: Include tm_p.h.
6025 (find_call_stack_args): New function.
6026 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6028 (mark_insn): Call find_call_stack_args for CALL_Ps.
6029 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6030 forwards. Allocate and free arg_stores bitmap if needed, pass it
6031 down to deletable_insn_p, don't mark stores set in arg_stores
6032 bitmap, clear the bitmap at the beginning of each bb.
6033 * Makefile.in (dce.o): Depend on $(TM_P_H).
6035 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6038 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6039 to make sure the insn is a conditional test (bug 22599). Reformat a
6042 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6045 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6046 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6047 (gloog): Do not call cleanup_tree_cfg.
6048 (graphite_transform_loops): Call cleanup_tree_cfg after all
6049 scops have been code generated.
6051 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6052 * doc/gty.texi (Invoking the garbage collector): Added new node
6053 and section documenting ggc_collect.
6055 2009-01-14 Richard Guenther <rguenther@suse.de>
6057 PR tree-optimization/38826
6059 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6060 initialization notes only if we actually emitted a warning.
6061 (intra_create_variable_infos): Add constraints for a result decl
6062 that is passed by hidden reference.
6063 (build_pred_graph): Mark all related variables non-direct on
6066 2009-01-14 Nick Clifton <nickc@redhat.com>
6068 * ira-conflicts.c: Include addresses.h for the definition of
6070 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6071 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6073 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6076 * Makefile.in (ira-lives.o): Add except.h.
6078 * ira-lives.c: Include except.h.
6079 (process_bb_node_lives): Process can_throw_internal.
6081 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6083 PR rtl-optimization/38774
6084 * combine.c (simplify_set): When undoing cc_use change, don't do
6085 PUT_CODE on the newly created comparison, but instead put back the
6088 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6090 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6091 values. Remove duplicate arm8 entry.
6093 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6095 PR tree-optimization/38786
6096 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6097 the SSA_NAME case of expand_scalar_variables_expr.
6098 Set the type of an expression to the type of its assign statement.
6099 (expand_scalar_variables_expr): Also gather the scalar computation
6100 used to index the memory access. Do not pass loop_p.
6101 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6102 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6103 the gimple_stmt_iterator where it inserts new code.
6105 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6106 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6108 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6110 * graphite.h (debug_value): Removed.
6111 * graphite.c (debug_value): Removed.
6113 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6115 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6116 ldrd/strd with two 32-bit instructions.
6118 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6120 * config/arm/arm.c (struct processors): Pass for speed down into
6121 cost helper functions.
6122 (const_ok_for_op): Handle COMPARE and inequality nodes.
6123 (arm_rtx_costs_1): Rewrite.
6124 (arm_size_rtx_costs): Update prototype.
6125 (arm_rtx_costs): Pass speed down to helper functions.
6126 (arm_slowmul_rtx_costs): Rework cost calculations.
6127 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6128 (arm_9e_rtx_costs): Likewise.
6130 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6132 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6133 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6134 (alpha_legitimize_address): Do not split local symbols wider than
6135 UNITS_PER_WORD into HIGH/LO_SUM parts.
6137 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6140 * gcc.c (process_command): Replace call to execvp with calls
6141 to pex_one and exit.
6143 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6146 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6147 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6148 variant for devices with 3-byte PC.
6149 (__tablejump_elpm__): New.
6151 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6154 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6155 offsetof member-designator, handle it as `[0].'.
6157 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6159 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6160 function when not using named sections on targets with named sections
6161 if branch distance is less than 262132.
6163 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6165 * combine.c (combine_instructions): Recompute
6166 optimize_this_for_speed_p for each BB in the main combine loop.
6168 2009-01-12 Tomas Bily <tbily@suse.cz>
6171 * tree-loop-distribution.c (prop_phis): New function.
6172 (generate_builtin): Call prop_phis.
6173 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6175 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6177 PR tree-optimization/38807
6178 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6179 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6181 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6183 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6184 subreg of op0 to the original op0.
6186 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6188 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6190 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6193 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6194 starting with digits.
6196 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6199 * config/arm/arm.c (arm_is_long_call_p): Don't call
6200 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6202 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6204 * regrename.c (regrename_optimize): Fix dumping.
6205 (find_oldest_value_reg): Preserve REG_POINTER.
6206 (copy_hardreg_forward_1): Likewise.
6208 2009-01-09 Diego Novillo <dnovillo@google.com>
6210 * gimple.h (struct gimple_statement_base) <uid>: Document
6211 the restrictions on its use.
6213 (gimple_set_uid): Tidy.
6215 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6217 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6218 zero guard even if align_bytes != 0 and count is smaller than
6221 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6223 PR rtl-optimization/38495
6224 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6225 (add_range_and_copies_from_move_list): Print all added ranges.
6226 Add ranges to memory optimized destination.
6228 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6232 * config/i386/i386.c (override_options): Reject
6233 -mstringop-strategy=rep_8byte with -m32.
6234 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6235 to 1. Do count comparison against epilogue_size_needed at compile
6236 time even when count_exp was constant forced into register. For
6237 size_needed don't jump to epilogue, instead just avoid aligning
6238 and invoke the body algorithm. If need_zero_guard, add zero guard
6239 even if count is non-zero, but smaller than size_needed + number of
6240 bytes that could be stored for alignment.
6241 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6242 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6243 but smaller than size_needed + number of bytes that could be stored
6244 for alignment. Compare size_needed with epilogue_size_needed instead
6245 of desired_align - align, don't adjust size_needed, pass
6246 epilogue_size_needed to the epilogue expanders.
6249 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6251 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6253 * pa.c (last_address): Change to unsigned.
6254 (update_total_code_bytes): Change argument to unsigned. Don't
6255 check if insn addresses are set.
6256 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6257 addresses are not set.
6258 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6260 2009-01-09 Nick Clifton <nickc@redhat.com>
6262 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6263 DECL_DECLARED_INLINE_P.
6265 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6268 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6269 GET_MODE (op0) in operand_subword_force calls.
6272 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6273 fold_convert arg0 operands to TREE_TYPE (op0) first.
6275 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6277 * params.def (ira-max-conflict-table-size): Decrease default value
6280 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6282 PR tree-optimization/37031
6283 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6285 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6286 allocate it using gc instead of heap, use VEC_quick_push instead of
6288 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6289 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6290 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6291 allocated vector from heap allocated.
6292 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6293 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6294 vector only after perfect_loop_nest_depth call.
6296 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6297 Jan Sjodin <jan.sjodin@amd.com>
6299 PR tree-optimization/38559
6300 * graphite.c (debug_value, copy_constraint,
6301 swap_constraint_variables, scale_constraint_variable, ): New.
6302 (get_lower_bound, get_upper_bound): Removed.
6303 (graphite_trans_bb_strip_mine): Clean up this code that works
6304 only for constant number of iterations. Fully copy upper and
6305 lower bound constraints, not only the constant part of them.
6306 * graphite.h (debug_value): Declared.
6308 2009-01-08 Ira Rosen <irar@il.ibm.com>
6310 PR tree-optimization/37194
6311 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6312 Don't add the cost of cost model guard in prologue to scalar
6313 outside cost in case of known number of iterations.
6315 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6316 Alan Modra <amodra@bigpond.net.au>
6318 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6319 non-word-aligned REG+CONST addressing.
6321 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6324 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6325 free_after_compilation when outputting a thunk.
6326 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6327 Do not call free_after_compilation here.
6329 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6331 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6332 (ix86_valid_target_attribute_inner_p): Ditto.
6334 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6336 PR tree-optimization/38492
6337 PR tree-optimization/38498
6338 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6339 * tree-chrec.h (scev_is_linear_expression): Declared.
6340 * graphite.c (graphite_cannot_represent_loop_niter): New.
6341 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6342 (graphite_loop_normal_form): Use gcc_assert.
6343 (scan_tree_for_params): Use CASE_CONVERT.
6344 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6345 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6346 Use gcc_assert. Discard scops that contain unhandled cases.
6347 (build_scop_conditions): Return a boolean status for unhandled cases.
6348 (strip_mine_profitable_p): Print the loop number, not its depth.
6349 (is_interchange_valid): Pass the depth of the loop nest, don't
6350 recompute it wrongly.
6351 (graphite_trans_bb_block): Same.
6352 (graphite_trans_bb_block): Print tentative of loop blocking.
6353 (graphite_trans_scop_block): Do not print that the loop has been
6355 (graphite_transform_loops): Do not handle scops that contain condition
6358 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6360 AVX Programming Reference (December, 2008)
6361 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6362 (_mm256_stream_pd): Likewise.
6363 (_mm256_stream_ps): Likewise.
6365 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6366 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6367 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6368 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6369 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6370 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6371 (ix86_expand_special_args_builtin): Likewise.
6373 * config/i386/sse.md (AVXMODEDI): New.
6374 (avx_movnt<mode>): Likewise.
6375 (avx_movnt<mode>): Likewise.
6376 (<sse>_movnt<mode>): Remove AVX support.
6377 (sse2_movntv2di): Likewise.
6379 2009-01-07 Richard Guenther <rguenther@suse.de>
6382 * fold-const.c (extract_muldiv): Remove obsolete comment.
6383 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6384 to PLUS_EXPR canonicalization for the canonicalization.
6386 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6388 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6389 hosted cross-compilers generating less efficient code.
6391 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6393 * function.h (rtl_data): Add a dbr_scheduled_p field.
6394 * reorg.c (dbr_schedule): Set it.
6395 (gate_handle_delay_slots): Check it.
6396 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6397 (mips_reorg): Check flag_delayed_branch instead of
6398 mips_base_delayed_branch.
6399 (mips_override_options): Don't set mips_base_delayed_branch
6400 or flag_delayed_branch.
6402 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6404 PR rtl-optimization/38426.
6405 * ira.c (ira): Set current_function_is_leaf earlier.
6407 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6409 PR rtl-optimization/38722
6410 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6411 too early, only set a flag and modify after last possible
6414 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6417 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6418 * real.c (decimal_single_format): Correct values of emin and emax.
6419 (decimal_double_format): Ditto.
6420 (decimal_quad_format): Ditto.
6421 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6422 computation of DECnn_MIN and DECnn_MAX for corrected values of
6423 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6424 __DECnn_MIN__, and adjust its computation for the corrected value
6427 2009-01-06 Jan Hubicka <jh@suse.cz>
6430 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6432 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6434 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6435 Add Robert Clark to the list of testers.
6437 2009-01-06 Jan Hubicka <jh@suse.cz>
6438 Kai Tietz <kai.tietz@onevision.com>
6440 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6441 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6443 2009-01-06 Jan Hubicka <jh@suse.cz>
6444 Kai Tietz <kai.tietz@onevision.com>
6446 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6448 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6449 (ix86_nsaved_regs): Count only general purpose regs.
6450 (ix86_nsaved_sseregs): New.
6451 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6452 to 16 for w64; compute padding and size of sse reg save area.
6453 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6454 general purpose regs.
6455 (ix86_emit_save_sse_regs_using_mov): New.
6456 (ix86_expand_prologue): Save SSE regs if needed.
6457 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6458 (ix86_emit_restore_sse_regs_using_mov): New.
6459 (ix86_expand_epilogue): Save SSE regs if needed.
6461 2009-01-06 Jan Hubicka <jh@suse.cz>
6462 Kai Tietz <kai.tietz@onevision.com>
6464 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6465 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6466 functions when accumulate outgoing args is off.
6468 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6471 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6472 before using pseudos_have_intersected_live_ranges_p.
6474 * ira-int.h (ira_assert): Always define.
6476 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6478 AVX Programming Reference (December, 2008)
6479 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6480 (_mm256_permute2_pd): Likewise.
6481 (_mm_permute2_ps): Likewise.
6482 (_mm256_permute2_ps): Likewise.
6483 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6484 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6486 * config/i386/i386.c (ix86_builtins): Remove
6487 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6488 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6489 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6490 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6491 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6492 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6493 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6494 __builtin_ia32_vpermil2ps256.
6495 (ix86_init_mmx_sse_builtins): Updated.
6496 (ix86_expand_args_builtin): Likewise.
6498 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6500 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6501 long absolute calls when generating PA 2.0 code.
6503 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6505 PR rtl-optimization/38583
6506 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6508 * params.def (ira-max-conflict-table-size): New.
6510 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6512 * ira.h (ira_conflicts_p): New external definition.
6514 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6515 table. Report this. Return result of building.
6516 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6517 building conflict table.
6519 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6520 (ira_color): Use ira_conflicts_p.
6522 * global.c: Include ira.h.
6523 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6526 * Makefile.in (global.o): Add ira.h.
6528 * ira-build.c (mark_all_loops_for_removal,
6529 propagate_some_info_from_allocno): New.
6530 (remove_unnecessary_allocnos): Call
6531 propagate_some_info_from_allocno.
6532 (remove_low_level_allocnos): New.
6533 (remove_unnecessary_regions): Add parameter. Call
6534 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6535 parameter to remove_unnecessary_regions.
6536 (ira_build): Remove all regions but root if the conflict table was
6537 not built. Update conflict hard regs for allocnos crossing calls.
6539 * ira.c (ira_conflicts_p): New global.
6540 (ira): Define and use ira_conflicts_p.
6542 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6543 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6544 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6546 2009-01-06 Ben Elliston <bje@au.ibm.com>
6548 * gengtype-lex.l (YY_NO_INPUT): Define.
6550 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6553 * c-common.c (handle_vector_size_attribute): Also reject
6556 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6558 PR tree-optimization/38492
6559 * graphite.c (rename_map_elt, debug_rename_elt,
6560 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6561 rename_map_elt_info, eq_rename_map_elts,
6562 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6563 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6564 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6565 (sese_build_livein_liveouts): New.
6566 (new_sese, free_sese): New.
6567 (new_scop): Call new_sese.
6568 (free_scop): Call free_sese.
6569 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6570 (register_old_new_names): Renamed register_old_and_new_names.
6571 (register_scop_liveout_renames, add_loop_exit_phis,
6572 insert_loop_close_phis, struct igp,
6573 default_liveout_before_guard, add_guard_exit_phis,
6574 insert_guard_phis, copy_renames): New.
6575 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6576 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6577 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6578 (scop_adjust_phis_for_liveouts): New.
6579 (gloog): Call scop_adjust_phis_for_liveouts.
6581 * graphite.h (struct sese): Documented. Added fields liveout,
6583 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6584 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6585 (struct scop): Added field liveout_renames.
6586 (SCOP_LIVEOUT_RENAMES): New.
6588 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6590 PR tree-optimization/38510
6591 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6592 (translate_clast): Call recompute_all_dominators before
6594 (gloog): Call recompute_all_dominators before graphite_verify.
6596 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6597 Jan Sjodin <jan.sjodin@amd.com>
6599 PR tree-optimization/38500
6600 * graphite.c (create_sese_edges): Call fix_loop_structure after
6603 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6605 * config.gcc: Add m32r*-*-rtems*.
6606 * config/m32r/rtems.h: New file.
6608 2009-01-05 Ben Elliston <bje@au.ibm.com>
6610 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6611 (.po.pox): Likewise.
6612 (po/gcc.pot): Likewise.
6614 2009-01-04 David S. Miller <davem@davemloft.net>
6616 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6617 (STARTING_FRAME_OFFSET): Always set to zero.
6619 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6621 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6622 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6623 fixed-point types, and vectors of the same.
6625 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6627 * config/mips/sync.md (*mb_barrier): Rename to...
6628 (*memory_barrier): ...this.
6630 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6632 * doc/extend.texi (Function Attributes): Move @cindex after @item
6633 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6634 and put in alphabetical order. Fix 'target' name and put in order.
6635 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6638 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6640 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6641 (memory_barrier): Expand as unspec instead of unspec_volatile.
6642 Remove mem:BLK from insn operands. Use Pmode scratch register.
6643 (*memory_barrier): Define as unspec instead of unspec_volatile.
6644 Use (match_dup 0) as input operand.
6646 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6647 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6648 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6649 scratch register. Remove operand 1.
6650 (*stbar): Define as unspec instead of unspec_volatile.
6651 Use (match_dup 0) as input operand, remove (const_int 8).
6652 (*membar): Define as unspec instead of unspec_volatile.
6653 Use (match_dup 0) as input operand, remove input operand 2.
6655 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6656 (memory_barrier): Expand as unspec instead of unspec_volatile.
6657 Remove mem:BLK from insn operands. Use Pmode scratch register.
6658 (*memory_barrier): Define as unspec instead of unspec_volatile.
6659 Use (match_dup 0) as input operand.
6661 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6662 Remove mem:BLK from insn operands. Use Pmode scratch register.
6663 Set volatile flag on operand 0.
6664 (*memory_barrier): New insn pattern.
6666 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6668 (*memory_barrier): Use (match_dup 0) as input operand.
6670 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6671 Remove mem:BLK from insn operands. Use Pmode scratch register.
6672 Set volatile flag on operand 0.
6673 (*mb_internal): New insn pattern.
6675 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6677 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6680 * function.c (struct temp_slot): Move to the section of the file
6681 that deals with temp slots. Remove field 'address'.
6682 (temp_slot_address_table): New hash table of address -> temp slot.
6683 (struct temp_slot_address_entry): New struct, items for the table.
6684 (temp_slot_address_compute_hash, temp_slot_address_hash,
6685 temp_slot_address_eq, insert_temp_slot_address): Support functions
6687 (find_temp_slot_from_address): Rewrite to use the new hash table.
6688 (remove_unused_temp_slot_addresses): Remove addresses of temp
6689 slots that have been made available.
6690 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6691 worker function for remove_unused_temp_slot_addresses.
6692 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6693 Add the temp slot address to the address -> temp slot map.
6694 (update_temp_slot_address): Update via insert_temp_slot_address.
6695 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6696 (pop_temp_slots): Likewise.
6697 (init_temp_slots): Allocate the address -> temp slot map, or empty
6698 the map if it is already allocated.
6699 (prepare_function_start): Initialize temp slot processing.
6701 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6704 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6705 Calculate the size of all stack vars assuming no packing of stack
6706 vars will happen, replacing a quadratic algorithm with a linear one.
6708 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6711 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6714 2009-01-03 Diego Novillo <dnovillo@google.com>
6716 * doc/contrib.texi: Update contributions.
6718 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6721 * builtins.c (fold_builtin_memory_op): Give up if either operand
6722 is volatile. Set srctype or desttype to non-qualified version
6726 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6729 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6731 PR rtl-optimization/35805
6732 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6733 problem if fast dce is able to remove any instructions.
6734 * dce.c (dce_process_block): Fix dump message.
6736 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6739 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6741 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6744 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6745 * tree-pretty-print.c (op_code_prio): New function.
6746 (op_prio): No longer static. Use op_code_prio.
6747 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6748 Use op_prio and op_code_prio to determine if () should be
6749 printed around operand(s) or not.
6751 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6752 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6753 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6754 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6755 pp_character instead of pp_string for single letter printing.
6757 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6759 * doc/extend.texi: Fix '#pragma GCC option' typo.
6761 2009-01-02 Richard Guenther <rguenther@suse.de>
6763 * doc/install.texi (--enable-checking): Mention different
6765 (--enable-stage1-checking): Document.
6767 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6770 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6771 case to be an error.
6773 2009-01-02 Ben Elliston <bje@au.ibm.com>
6775 * config/fp-bit.h (pack_d): Constify argument.
6776 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6777 (isnan): Constify argument.
6781 (_fpadd_parts): Constify return type.
6782 (_fpmul_parts): Likewise.
6783 (_fpdiv_parts): Likewise.
6785 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6788 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6789 warn about overwriting initializer with side-effects or
6790 -Woverride-init if !IMPLICIT.
6791 (output_init_element): Likewise. Pass IMPLICIT down to
6793 (process_init_element): Add IMPLICIT argument. Pass it down
6794 to output_init_element.
6795 (push_init_element, pop_init_level, set_designator): Adjust
6796 process_init_element callers.
6797 (set_nonincremental_init, set_nonincremental_init_from_string):
6798 Adjust add_pending_init callers.
6799 (output_pending_init_elements): Adjust output_init_element callers.
6800 * c-tree.h (process_init_element): Adjust prototype.
6801 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6802 process_init_element callers.
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