1 2009-04-15 Richard Guenther <rguenther@suse.de>
3 * omp-low.c (lower_rec_input_clauses): Build correct address
5 (expand_omp_for_generic): Fix multiplication type.
6 * tree-loop-distribution.c (build_size_arg): Build a
8 (generate_memset_zero): Fix types.
9 * tree-profile.c (prepare_instrumented_value): Correctly
12 2009-04-15 Ian Lance Taylor <iant@google.com>
14 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
15 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
16 for -Wall and for -Wc++-compat.
17 (c_common_post_options): For C++, set warn_enum_compare if not
19 * c-tree.h (struct c_expr): Add field original_type.
20 (build_external_ref): Update declaration.
21 * c-parser.c (c_parser_braced_init): Set original_type.
22 (c_parser_initelt): Likewise.
23 (c_parser_expr_no_commas): Likewise.
24 (c_parser_conditional_expression): Likewise.
25 (c_parser_cast_expression): Likewise.
26 (c_parser_unary_expression): Likewise. Pull setting of
27 original_code to top of function.
28 (c_parser_sizeof_expression): Set original_type.
29 (c_parser_alignof_expression): Likewise.
30 (c_parser_postfix_expression): Likewise. Pull setting of
31 original_code to top of function.
32 (c_parser_postfix_expression_after_paren_type): Set
34 (c_parser_postfix_expression_after_primary): Likewise.
35 (c_parser_expression): Likewise.
36 * c-typeck.c (build_external_ref): Add type parameter. Change all
38 (c_expr_sizeof_expr): Set original_type field.
39 (parser_build_unary_op): Likewise.
40 (parser_build_binary_op): Likewise. Optionally warn about
41 comparisons of enums of different types.
42 (digest_init): Set original_type field.
43 (really_start_incremental_init): Likewise.
44 (push_init_level, pop_init_level): Likewise.
45 * doc/invoke.texi (Warning Options): -Wenum-compare now
48 2009-04-15 Richard Guenther <rguenther@suse.de>
50 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
51 out a necessary conversion.
52 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
53 names we didn't value number.
54 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
56 2009-04-15 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/39764
59 * tree-ssa-ccp.c (get_value): Canonicalize value with
60 canonicalize_float_value.
62 2009-04-15 Jan Hubicka <jh@suse.cz>
64 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
65 Wrong version of patch.
67 2009-04-15 Jan Hubicka <jh@suse.cz>
69 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
71 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
73 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
74 our distinct integral and vector types.
76 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
78 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
79 * init.c (build_vtbl_address): Remove call to assemble_external.
81 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
83 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
84 output for other floating point modes.
86 2009-04-14 Diego Novillo <dnovillo@google.com>
88 * diagnostic.c (diagnostic_report_diagnostic): Do not
89 warn about loaded plugins for DK_ERROR and DK_WARNING.
90 * c-decl.c (declspecs_add_type): Move call to
91 invoke_plugin_callbacks ...
92 * c-parser.c (c_parser_declspecs): ... here.
93 * plugin.c (dump_active_plugins): Tidy output.
95 2009-04-14 Diego Novillo <dnovillo@google.com>
96 Le-Chun Wu <lcwu@google.com>
98 * configure.ac: Add --enable-plugin support.
99 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
100 * Makefile.in (PLUGIN_H): Define.
101 Export ENABLE_PLUGIN and GMPINC to site.exp.
102 Add PLUGINLIBS to link command.
103 Add/modify dependencies for plugin.o and files including plugin.h.
105 * config.in: Regenerate.
107 * opts.c (common_handle_option): Handle OPT_fplugin_ and
110 2009-04-14 Le-Chun Wu <lcwu@google.com>
112 * tree-pass.h (register_one_dump_file): Add a prototype for
113 register_one_dump_file.
114 * toplev.c (compile_file): Call initialize_plugins.
115 (do_compile): Call invoke_plugin_callbacks.
116 (toplev_main): Call invoke_plugin_callbacks.
117 * common.opt: Add -fplugin= and -fplugin-arg-.
118 * gcc-plugin.h: New public header file for plugins to include.
119 * plugin.c: New source file.
120 * plugin.h: New internal header file.
121 * passes.c (register_one_dump_file): Make it external.
123 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
125 2009-04-14 Diego Novillo <dnovillo@google.com>
127 * doc/plugins.texi: New.
128 * doc/gccint.texi: Add reference to Plugins chapter.
129 * doc/invoke.texi: Document -fplugin and -fplugin-arg
130 * diagnostic.c (diagnostic_report_diagnostic): Warn about
131 loaded plugins, if any.
132 * timevar.def (TV_PLUGIN_INIT): Define.
133 (TV_PLUGIN_RUN): Define.
134 * plugin.c: Include timevar.h
135 (plugins_active_p): New.
136 (dump_active_plugins): New.
137 (debug_active_plugins): New.
139 2009-04-14 Joseph Myers <joseph@codesourcery.com>
141 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
143 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
145 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
147 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
148 the same as a minus without a shift.
150 2009-04-14 Nick Clifton <nickc@redhat.com>
152 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
153 comparisons with small integers will always produce a short
156 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
160 2008-12-19 Diego Novillo <dnovillo@google.com>
162 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
164 2000-04-14 Richard Guenther <rguenther@suse.de>
166 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
168 (verify_gimple_assign_binary): Likewise. Handle shifts and
170 (verify_gimple_phi): Print the mismatched argument position.
171 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
173 (vect_update_init_of_dr): Likewise.
174 * matrix-reorg.c (transform_access_sites): Do what the
176 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
178 2009-04-13 Michael Eager <eager@eagercon.com>
180 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
181 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
182 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
183 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
184 remove duplicate config
186 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
188 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
189 file_name:line_number type locator of the call site.
191 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
193 * genautomata.c: Put blank after comma.
194 (automaton_decls): New.
195 (struct unit_usage): Add comments to member next.
196 (store_alt_unit_usage): Keep the list ordered.
197 (unit_present_on_list_p, equal_alternatives_p): New.
198 (check_regexp_units_distribution): Check units distribution
199 correctness correctly.
200 (main): Don't write automata if error is found. Return correct
203 * config/m68k/cf.md (cfv4_ds): Remove.
204 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
205 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
207 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
208 power4-load-ext, power4-store, power4-store-update,
209 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
210 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
211 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
212 power4-sqrt, power4-isync): Modify reservation to make correct
213 unit distribution to automata.
215 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
216 power5-store-update, power5-two, power5-three, power5-lmul,
217 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
219 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
221 * except.c (pass_set_nothrow_function_flags): Set name and add
223 (set_nothrow_function_flags): Mention in the dump file when
224 changing a function to nothrow.
226 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
229 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
230 instead of unsigned long.
232 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
234 * config/arm/arm.c (return_used_this_function): Remove.
235 (arm_output_function_prologue): Remove use of
236 return_used_this_function.
237 (output_return_instruction): Replace use of
238 return_used_this_function
239 by cfun->machine->return_used_this_function.
240 (arm_output_epilogue): Likewise.
241 (arm_output_function_epilogue): Likewise.
242 (thumb_unexpanded_epilogue): Likewise.
243 * config/arm/arm.h (struct machine_function):
244 New member return_used_this_function.
246 2009-04-12 Mark Mitchell <mark@codesourcery.com>
248 * doc/install.texi: Correct description of default directory for
249 --with-gxx-include-dir.
251 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
253 * fold-const.c (build_range_check): Properly deal with enumeral and
256 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
258 * doc/invoke.texi (max_gcse_passes): Remove documentation.
259 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
260 * params.h (MAX_GCSE_PASSES): Remove.
261 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
262 in sequence. Remove ability to run multiple passes.
263 (bypass_jumps): Report run as third CPROP pass.
265 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
268 * except.c (can_throw_external): Look at each insn in a SEQUENCE
269 when deciding whether the whole SEQUENCE can throw.
271 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
274 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
275 offseted label references.
277 2009-04-11 Jan Hubicka <jh@suse.cz>
279 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
281 2009-04-11 Richard Guenther <rguenther@suse.de>
284 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
285 return variables as TREE_ADDRESSABLE.
287 2009-04-11 Richard Guenther <rguenther@suse.de>
289 PR tree-optimization/39713
290 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
291 reference trees have SSA_NAME operands.
293 2009-04-11 Richard Guenther <rguenther@suse.de>
296 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
299 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
301 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
302 match changes in Cygwin 1.7
303 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
304 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
306 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
308 PR tree-optimization/39701
309 * doc/invoke.texi (Optimization Options): Document change in
310 meaning and initialization of -fdelete-null-pointer-checks.
312 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
315 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
317 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
320 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
322 2009-04-10 Chao-ying Fu <fu@mips.com>
324 * doc/tm.texi (Instruction Output): Document
325 TARGET_ASM_FINAL_POSTSCAN_INSN.
326 * target.h (final_postscan_insn): New field in asm_out.
327 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
328 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
329 * final.c (final_scan_insn): Call
330 targetm.asm_out.final_postscan_insn after outputting
331 an asm macro and a normal instruction.
333 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
334 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
335 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
336 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
337 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
339 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
342 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
343 variables as non-NULL even with -fdelete-null-pointer-checks.
345 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
347 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
349 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
352 * config/i386/i386.c (classify_argument): Handle SCmode with
353 (bit_offset % 64) != 0.
355 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
357 * doc/invoke.texi (Optimize Options): Add cross-reference to
358 -Q --help=optimizers examples.
360 2009-04-10 Ben Elliston <bje@au.ibm.com>
363 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
364 regalign for the reg == fpr and TDmode case.
366 2009-04-09 David Ayers <ayers@fsfe.org>
369 * objc/objc-act.c (warn_with_method): Remove helper function.
370 (check_duplicates): Call warning and inform directly.
371 (really_start_method): Likewise.
373 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
375 * expmed.c (expand_divmod): Always use a comparison for a division
376 by a large unsigned integer.
378 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
379 for things others than variables or functions as nonzero.
381 2009-04-09 Nick Clifton <nickc@redhat.com>
383 * unwind-compat.c: Change copyright header to refer to version
384 3 of the GNU General Public License with version 3.1 of the
385 GCC Runtime Library Exception and to point readers at the
386 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
387 * config/alpha/crtfastmath.c: Likewise.
388 * config/alpha/linux-unwind.h: Likewise.
389 * config/alpha/qrnnd.asm: Likewise.
390 * config/alpha/vms-crt0-64.c: Likewise.
391 * config/alpha/vms-crt0.c: Likewise.
392 * config/alpha/vms-dwarf2.asm: Likewise.
393 * config/alpha/vms-dwarf2eh.asm: Likewise.
394 * config/alpha/vms-psxcrt0-64.c: Likewise.
395 * config/alpha/vms-psxcrt0.c: Likewise.
396 * config/alpha/vms_tramp.asm: Likewise.
397 * config/arc/initfini.c: Likewise.
398 * config/arc/lib1funcs.asm: Likewise.
399 * config/arm/bpabi-v6m.S: Likewise.
400 * config/arm/bpabi.S: Likewise.
401 * config/arm/bpabi.c: Likewise.
402 * config/arm/crti.asm: Likewise.
403 * config/arm/crtn.asm: Likewise.
404 * config/arm/ieee754-df.S: Likewise.
405 * config/arm/ieee754-sf.S: Likewise.
406 * config/arm/lib1funcs.asm: Likewise.
407 * config/arm/libunwind.S: Likewise.
408 * config/arm/linux-atomic.c: Likewise.
409 * config/arm/mmintrin.h: Likewise.
410 * config/arm/pr-support.c: Likewise.
411 * config/arm/unaligned-funcs.c: Likewise.
412 * config/arm/unwind-arm.c: Likewise.
413 * config/arm/unwind-arm.h: Likewise.
414 * config/avr/libgcc.S: Likewise.
415 * config/bfin/crti.s: Likewise.
416 * config/bfin/crtlibid.s: Likewise.
417 * config/bfin/crtn.s: Likewise.
418 * config/bfin/lib1funcs.asm: Likewise.
419 * config/bfin/linux-unwind.h: Likewise.
420 * config/cris/arit.c: Likewise.
421 * config/cris/cris_abi_symbol.c: Likewise.
422 * config/darwin-64.c: Likewise.
423 * config/darwin-crt2.c: Likewise.
424 * config/darwin-crt3.c: Likewise.
425 * config/darwin.h: Likewise.
426 * config/dbxelf.h: Likewise.
427 * config/dfp-bit.c: Likewise.
428 * config/dfp-bit.h: Likewise.
429 * config/elfos.h: Likewise.
430 * config/fixed-bit.c: Likewise.
431 * config/fixed-bit.h: Likewise.
432 * config/fp-bit.c: Likewise.
433 * config/fp-bit.h: Likewise.
434 * config/fr30/crti.asm: Likewise.
435 * config/fr30/crtn.asm: Likewise.
436 * config/fr30/lib1funcs.asm: Likewise.
437 * config/freebsd-spec.h: Likewise.
438 * config/frv/cmovd.c: Likewise.
439 * config/frv/cmovh.c: Likewise.
440 * config/frv/cmovw.c: Likewise.
441 * config/frv/frvbegin.c: Likewise.
442 * config/frv/frvend.c: Likewise.
443 * config/frv/lib1funcs.asm: Likewise.
444 * config/glibc-stdint.h: Likewise.
445 * config/h8300/clzhi2.c: Likewise.
446 * config/h8300/crti.asm: Likewise.
447 * config/h8300/crtn.asm: Likewise.
448 * config/h8300/ctzhi2.c: Likewise.
449 * config/h8300/fixunssfsi.c: Likewise.
450 * config/h8300/lib1funcs.asm: Likewise.
451 * config/h8300/parityhi2.c: Likewise.
452 * config/h8300/popcounthi2.c: Likewise.
453 * config/i386/ammintrin.h: Likewise.
454 * config/i386/att.h: Likewise.
455 * config/i386/avxintrin.h: Likewise.
456 * config/i386/biarch64.h: Likewise.
457 * config/i386/bmmintrin.h: Likewise.
458 * config/i386/cpuid.h: Likewise.
459 * config/i386/cross-stdarg.h: Likewise.
460 * config/i386/crtfastmath.c: Likewise.
461 * config/i386/crtprec.c: Likewise.
462 * config/i386/cygming-crtbegin.c: Likewise.
463 * config/i386/cygming-crtend.c: Likewise.
464 * config/i386/cygwin.asm: Likewise.
465 * config/i386/emmintrin.h: Likewise.
466 * config/i386/gmm_malloc.h: Likewise.
467 * config/i386/gthr-win32.c: Likewise.
468 * config/i386/i386.h: Likewise.
469 * config/i386/immintrin.h: Likewise.
470 * config/i386/linux-unwind.h: Likewise.
471 * config/i386/linux64.h: Likewise.
472 * config/i386/mm3dnow.h: Likewise.
473 * config/i386/mmintrin-common.h: Likewise.
474 * config/i386/mmintrin.h: Likewise.
475 * config/i386/nmmintrin.h: Likewise.
476 * config/i386/pmm_malloc.h: Likewise.
477 * config/i386/pmmintrin.h: Likewise.
478 * config/i386/smmintrin.h: Likewise.
479 * config/i386/sol2-c1.asm: Likewise.
480 * config/i386/sol2-ci.asm: Likewise.
481 * config/i386/sol2-cn.asm: Likewise.
482 * config/i386/sol2-gc1.asm: Likewise.
483 * config/i386/tmmintrin.h: Likewise.
484 * config/i386/unix.h: Likewise.
485 * config/i386/w32-unwind.h: Likewise.
486 * config/i386/wmmintrin.h: Likewise.
487 * config/i386/x86-64.h: Likewise.
488 * config/i386/x86intrin.h: Likewise.
489 * config/i386/xmmintrin.h: Likewise.
490 * config/ia64/crtbegin.asm: Likewise.
491 * config/ia64/crtend.asm: Likewise.
492 * config/ia64/crtfastmath.c: Likewise.
493 * config/ia64/crti.asm: Likewise.
494 * config/ia64/crtn.asm: Likewise.
495 * config/ia64/fde-glibc.c: Likewise.
496 * config/ia64/lib1funcs.asm: Likewise.
497 * config/ia64/linux-unwind.h: Likewise.
498 * config/ia64/quadlib.c: Likewise.
499 * config/ia64/unwind-ia64.c: Likewise.
500 * config/linux.h: Likewise.
501 * config/m32c/m32c-lib1.S: Likewise.
502 * config/m32c/m32c-lib2-trapv.c: Likewise.
503 * config/m32c/m32c-lib2.c: Likewise.
504 * config/m32r/initfini.c: Likewise.
505 * config/m68hc11/larith.asm: Likewise.
506 * config/m68hc11/m68hc11-crt0.S: Likewise.
507 * config/m68k/cf.md: Likewise.
508 * config/m68k/crti.s: Likewise.
509 * config/m68k/crtn.s: Likewise.
510 * config/m68k/lb1sf68.asm: Likewise.
511 * config/m68k/linux-unwind.h: Likewise.
512 * config/mcore/crti.asm: Likewise.
513 * config/mcore/crtn.asm: Likewise.
514 * config/mcore/lib1.asm: Likewise.
515 * config/mips/linux-unwind.h: Likewise.
516 * config/mips/loongson.h: Likewise.
517 * config/mips/mips16.S: Likewise.
518 * config/mmix/crti.asm: Likewise.
519 * config/mmix/crtn.asm: Likewise.
520 * config/pa/fptr.c: Likewise.
521 * config/pa/hpux-unwind.h: Likewise.
522 * config/pa/lib2funcs.asm: Likewise.
523 * config/pa/linux-atomic.c: Likewise.
524 * config/pa/linux-unwind.h: Likewise.
525 * config/pa/milli64.S: Likewise.
526 * config/pa/quadlib.c: Likewise.
527 * config/pa/stublib.c: Likewise.
528 * config/picochip/libgccExtras/adddi3.asm: Likewise.
529 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
530 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
531 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
532 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
533 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
534 * config/picochip/libgccExtras/divmod15.asm: Likewise.
535 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
536 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
537 * config/picochip/libgccExtras/longjmp.asm: Likewise.
538 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
539 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
540 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
541 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
542 * config/picochip/libgccExtras/setjmp.asm: Likewise.
543 * config/picochip/libgccExtras/subdi3.asm: Likewise.
544 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
545 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
546 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
547 * config/rs6000/750cl.h: Likewise.
548 * config/rs6000/altivec.h: Likewise.
549 * config/rs6000/biarch64.h: Likewise.
550 * config/rs6000/crtresfpr.asm: Likewise.
551 * config/rs6000/crtresgpr.asm: Likewise.
552 * config/rs6000/crtresxfpr.asm: Likewise.
553 * config/rs6000/crtresxgpr.asm: Likewise.
554 * config/rs6000/crtsavfpr.asm: Likewise.
555 * config/rs6000/crtsavgpr.asm: Likewise.
556 * config/rs6000/darwin-asm.h: Likewise.
557 * config/rs6000/darwin-fallback.c: Likewise.
558 * config/rs6000/darwin-fpsave.asm: Likewise.
559 * config/rs6000/darwin-ldouble.c: Likewise.
560 * config/rs6000/darwin-tramp.asm: Likewise.
561 * config/rs6000/darwin-unwind.h: Likewise.
562 * config/rs6000/darwin-vecsave.asm: Likewise.
563 * config/rs6000/darwin-world.asm: Likewise.
564 * config/rs6000/e500crtres32gpr.asm: Likewise.
565 * config/rs6000/e500crtres64gpr.asm: Likewise.
566 * config/rs6000/e500crtres64gprctr.asm: Likewise.
567 * config/rs6000/e500crtrest32gpr.asm: Likewise.
568 * config/rs6000/e500crtrest64gpr.asm: Likewise.
569 * config/rs6000/e500crtresx32gpr.asm: Likewise.
570 * config/rs6000/e500crtresx64gpr.asm: Likewise.
571 * config/rs6000/e500crtsav32gpr.asm: Likewise.
572 * config/rs6000/e500crtsav64gpr.asm: Likewise.
573 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
574 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
575 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
576 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
577 * config/rs6000/eabi-ci.asm: Likewise.
578 * config/rs6000/eabi-cn.asm: Likewise.
579 * config/rs6000/eabi.asm: Likewise.
580 * config/rs6000/linux-unwind.h: Likewise.
581 * config/rs6000/linux64.h: Likewise.
582 * config/rs6000/paired.h: Likewise.
583 * config/rs6000/paired.md: Likewise.
584 * config/rs6000/ppc64-fp.c: Likewise.
585 * config/rs6000/ppu_intrinsics.h: Likewise.
586 * config/rs6000/rs6000.h: Likewise.
587 * config/rs6000/si2vmx.h: Likewise.
588 * config/rs6000/sol-ci.asm: Likewise.
589 * config/rs6000/sol-cn.asm: Likewise.
590 * config/rs6000/spe.h: Likewise.
591 * config/rs6000/spu2vmx.h: Likewise.
592 * config/rs6000/sysv4.h: Likewise.
593 * config/rs6000/tramp.asm: Likewise.
594 * config/rs6000/vec_types.h: Likewise.
595 * config/s390/linux-unwind.h: Likewise.
596 * config/s390/tpf-unwind.h: Likewise.
597 * config/score/crti.asm: Likewise.
598 * config/score/crtn.asm: Likewise.
599 * config/sh/crt1.asm: Likewise.
600 * config/sh/crti.asm: Likewise.
601 * config/sh/crtn.asm: Likewise.
602 * config/sh/divtab-sh4-300.c: Likewise.
603 * config/sh/divtab-sh4.c: Likewise.
604 * config/sh/divtab.c: Likewise.
605 * config/sh/lib1funcs-4-300.asm: Likewise.
606 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
607 * config/sh/lib1funcs.asm: Likewise.
608 * config/sh/lib1funcs.h: Likewise.
609 * config/sh/linux-atomic.asm: Likewise.
610 * config/sh/linux-unwind.h: Likewise.
611 * config/sh/shmedia.h: Likewise.
612 * config/sh/sshmedia.h: Likewise.
613 * config/sh/ushmedia.h: Likewise.
614 * config/sparc/crtfastmath.c: Likewise.
615 * config/sparc/linux-unwind.h: Likewise.
616 * config/sparc/sol2-c1.asm: Likewise.
617 * config/sparc/sol2-ci.asm: Likewise.
618 * config/sparc/sol2-cn.asm: Likewise.
619 * config/spu/divmodti4.c: Likewise.
620 * config/spu/divv2df3.c: Likewise.
621 * config/spu/float_disf.c: Likewise.
622 * config/spu/float_unsdidf.c: Likewise.
623 * config/spu/float_unsdisf.c: Likewise.
624 * config/spu/float_unssidf.c: Likewise.
625 * config/spu/mfc_multi_tag_release.c: Likewise.
626 * config/spu/mfc_multi_tag_reserve.c: Likewise.
627 * config/spu/mfc_tag_release.c: Likewise.
628 * config/spu/mfc_tag_reserve.c: Likewise.
629 * config/spu/mfc_tag_table.c: Likewise.
630 * config/spu/multi3.c: Likewise.
631 * config/spu/spu_internals.h: Likewise.
632 * config/spu/spu_intrinsics.h: Likewise.
633 * config/spu/spu_mfcio.h: Likewise.
634 * config/spu/vec_types.h: Likewise.
635 * config/spu/vmx2spu.h: Likewise.
636 * config/stormy16/stormy16-lib2.c: Likewise.
637 * config/svr4.h: Likewise.
638 * config/sync.c: Likewise.
639 * config/v850/lib1funcs.asm: Likewise.
640 * config/vxlib-tls.c: Likewise.
641 * config/vxlib.c: Likewise.
642 * config/vxworks-dummy.h: Likewise.
643 * config/xtensa/crti.asm: Likewise.
644 * config/xtensa/crtn.asm: Likewise.
645 * config/xtensa/ieee754-df.S: Likewise.
646 * config/xtensa/ieee754-sf.S: Likewise.
647 * config/xtensa/lib1funcs.asm: Likewise.
648 * config/xtensa/lib2funcs.S: Likewise.
649 * config/xtensa/linux-unwind.h: Likewise.
650 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
651 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
652 * coretypes.h: Likewise.
653 * crtstuff.c: Likewise.
654 * defaults.h: Likewise.
655 * dwarf2.h: Likewise.
656 * emutls.c: Likewise.
657 * gbl-ctors.h: Likewise.
658 * gcov-io.h: Likewise.
659 * ginclude/float.h: Likewise.
660 * ginclude/iso646.h: Likewise.
661 * ginclude/stdarg.h: Likewise.
662 * ginclude/stdbool.h: Likewise.
663 * ginclude/stddef.h: Likewise.
664 * ginclude/stdfix.h: Likewise.
665 * ginclude/stdint-gcc.h: Likewise.
666 * ginclude/tgmath.h: Likewise.
667 * gthr-aix.h: Likewise.
668 * gthr-dce.h: Likewise.
669 * gthr-gnat.c: Likewise.
670 * gthr-gnat.h: Likewise.
671 * gthr-lynx.h: Likewise.
672 * gthr-mipssde.h: Likewise.
673 * gthr-nks.h: Likewise.
674 * gthr-posix.c: Likewise.
675 * gthr-posix.h: Likewise.
676 * gthr-posix95.h: Likewise.
677 * gthr-rtems.h: Likewise.
678 * gthr-single.h: Likewise.
679 * gthr-solaris.h: Likewise.
680 * gthr-tpf.h: Likewise.
681 * gthr-vxworks.h: Likewise.
682 * gthr-win32.h: Likewise.
684 * libgcc2.c: Likewise.
685 * libgcc2.h: Likewise.
686 * libgcov.c: Likewise.
687 * tsystem.h: Likewise.
688 * typeclass.h: Likewise.
689 * unwind-c.c: Likewise.
690 * unwind-compat.h: Likewise.
691 * unwind-dw2-fde-compat.c: Likewise.
692 * unwind-dw2-fde-darwin.c: Likewise.
693 * unwind-dw2-fde-glibc.c: Likewise.
694 * unwind-dw2-fde.c: Likewise.
695 * unwind-dw2-fde.h: Likewise.
696 * unwind-dw2.c: Likewise.
697 * unwind-dw2.h: Likewise.
698 * unwind-generic.h: Likewise.
699 * unwind-pe.h: Likewise.
700 * unwind-sjlj.c: Likewise.
701 * unwind.inc: Likewise.
702 * config/arm/neon-gen.ml: Change generated copyright header to
703 refer to version 3 of the GNU General Public License with
704 version 3.1 of the GCC Runtime Library Exception and to point
705 readers at the COPYING3 and COPYING3.RUNTIME files and the
706 FSF's license web page.
707 * config/arm/arm_neon.h: Regenerate.
709 2009-04-09 Jakub Jelinek <jakub@redhat.com>
711 * config/cris/cris.md: Change copyright header to refer to version
712 3 of the GNU General Public License.
713 * doc/install.texi2html: Change copyright header to refer to version
714 3 of the GNU General Public License and to point readers at the
715 COPYING3 file and the FSF's license web page.
716 * config/vax/linux.h: Likewise.
718 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
720 * config/i386/i386.md (cmpcc): New.
721 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
722 (sync_compare_and_swap_cc*): Delete.
724 * config/s390/s390.c (s390_compare_emitted): Remove.
725 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
726 s390_compare_emitted used to be handled. Assert that modes match.
727 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
728 refer to sync_compare_and_swap_ccsi.
729 * config/s390/s390.h (s390_compare_emitted): Remove.
730 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
731 instead of s390_compare_emitted.
732 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
733 instead of s390_compare_emitted.
734 * config/s390/s390.md (cmpcc): New.
735 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
736 CC_REGNUM, do not pretend it's set.
737 (sync_compare_and_swap_cc*): Delete.
738 * config/s390/predicates.md (cc_reg_operand): New.
740 * expr.c (sync_compare_and_swap_cc): Delete.
741 * optabs.h (sync_compare_and_swap_cc): Delete.
742 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
743 is being used with can_compare_p.
744 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
746 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
747 look for a MODE_CC set instead. Use emit_store_flag.
748 (expand_compare_and_swap_loop): Likewise, with some additional
749 complication to avoid a force_reg when useless. Use
750 emit_cmp_and_jump_insns.
751 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
752 * doc/md.texi (sync_compare_and_swap_cc): Merge with
753 sync_compare_and_swap documentation.
755 2009-04-09 Jan Hubicka <jh@suse.cz>
757 * except.c (find_prev_try): Break out from ....
758 (duplicate_eh_regions): ... here; properly update prev_try pointers
759 when duplication part of tree.
760 (dump_eh_tree): Improve dumping.
761 (verify_eh_region): New.
762 (verify_eh_tree): Use it.
764 2009-04-06 Richard Guenther <rguenther@suse.de>
766 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
767 &ARRAY addresses by adjusting their types and prepending
769 * tree-cfg.c (verify_gimple_assign_single): Verify that
770 addresses are correct.
772 2009-04-09 Richard Guenther <rguenther@suse.de>
774 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
775 indices into an array reference if possible.
776 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
777 Fold POINTER_PLUS_EXPR statements with invariant address.
779 2009-04-09 Alan Modra <amodra@bigpond.net.au>
782 * config.gcc (powerpc64-*-linux*): Always build biarch.
784 2009-04-09 Joseph Myers <joseph@codesourcery.com>
787 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
788 it and pedwarn if this results in an INTEGER_CST.
790 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * doc/install.texi: Update minimum GMP version. Remove obsolete
793 text in MPFR section.
795 2009-04-08 Jakub Jelinek <jakub@redhat.com>
797 * dwarf2out.c (class_scope_p): New static inline.
798 (class_or_namespace_scope_p): Use it.
799 (gen_variable_die): Use DW_TAG_member tag for static data member
800 declarations instead of DW_TAG_variable.
803 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
806 2009-04-08 Richard Guenther <rguenther@suse.de>
808 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
809 valueize random data.
811 2009-04-08 David Edelsohn <edelsohn@gnu.org>
813 * config.gcc (aix tm_file): Add aix-stdint.h.
814 (aix tm clause use_gcc_stdint): Set to wrap.
815 * config/rs6000/aix-stdint.h: New file.
817 2009-04-08 Richard Guenther <rguenther@suse.de>
820 * tree-dfa.c (add_referenced_var): Do not recurse into
822 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
824 (fold_const_aggregate_ref): Likewise.
826 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
828 * recog.c (ordered_comparison_operator): New.
829 * gensupport.c (std_preds): Add it.
830 * doc/md.texi (Machine-Independent Predicates): Document it.
832 2009-04-08 Jan Hubicka <jh@suse.cz>
834 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
835 * function.h (rtl_eh): Remove exception_handler_label_map.
836 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
837 remove_exception_handler_label, for_each_eh_label_1): Remove.
838 (rtl_remove_unreachable_regions): Remove.
839 (convert_from_eh_region_ranges): Do not remove unreachable regions.
840 (find_exception_handler_labels): Don't build the hashtable.
841 (maybe_remove_eh_handler): Remove.
842 (for_each_eh_label): Rewrite to walk the tree.
843 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
844 * except.h (maybe_remove_eh_handler): Remove.
845 * passes.c (init_optimization_passes): Schedule second EH cleanup
847 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
848 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
850 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
852 * genoutput.c (validate_optab_operands): New.
853 (gen_insn, gen_expand): Call it.
855 * genflags.c (gen_insn): Detect misused iterators.
856 (main): Pass line_no to gen_insn, exit with status 1 on error.
858 * genextract.c (line_no): Make global.
859 (VEC_safe_set_locstr): Change assertion to error message.
860 (main): Exit with status 1 on error.
862 2009-04-08 Joseph Myers <joseph@codesourcery.com>
866 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
867 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
868 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
869 * c-convert.c (convert): Do not call fold on results of conversion
870 functions when the result is a C_MAYBE_CONST_EXPR.
871 * c-parser.c (c_parser_postfix_expression): Do not fold condition
872 of __builtin_choose_expr.
873 * c-typeck.c (remove_c_maybe_const_expr): New.
874 (build_unary_op, build_conditional_expr, build_compound_expr,
875 build_binary_op, c_objc_common_truthvalue_conversion): Call
876 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
879 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
881 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
882 CODE to produce a new one. Add a prototype to use fold_convert_const
884 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
887 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
888 mix declarations and code.
890 2009-04-08 Ben Elliston <bje@au.ibm.com>
892 * gcc.c: Replace `CC' with `GCC' throughout.
894 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
896 * doc/invoke.texi: Document Atom support.
898 2009-04-07 Jason Merrill <jason@redhat.com>
901 * c-common.h, c-common.c: Add flag_pretty_templates.
902 * c-opts.c (c_common_handle_option): Set it.
903 * c.opt: Add -fno-pretty-templates.
904 * doc/invoke.texi (C++ Dialect Options): Likewise.
906 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
908 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
909 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
910 (ia64_expand_builtin): Likewise.
912 2009-04-07 Martin Jambor <mjambor@suse.cz>
914 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
915 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
916 ADDR_EXPRS are include too.
918 2009-04-07 Richard Guenther <rguenther@suse.de>
920 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
921 decls are only used if passes as parameters or if they are
922 local statics and the call is not to a builtin.
923 (call_may_clobber_ref_p_1): Likewise.
925 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
927 * expr.c (do_store_flag): Remove last argument. Simplify code
928 to avoid duplication of tests already done by can_compare_p.
929 (expand_expr_real_1): Adjust caller.
931 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
933 * optabs.c (can_compare_p): Test the predicate of a
934 cbranch and cstore pattern.
936 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
938 * expr.c (convert_move): Use emit_store_flag instead of
941 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
943 * config/i386/i386.c (ix86_compare_emitted): Remove.
944 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
945 ix86_compare_op0 like ix86_compare_emitted used to be handled.
946 * config/i386/i386.h (ix86_compare_emitted): Remove.
947 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
948 instead of ix86_compare_emitted.
949 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
951 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
953 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
954 Add t-sysroot-suffix to tmake_file.
955 * config/print-sysroot-suffix.sh: New file.
956 * config/t-sysroot-suffix: New file.
958 2009-04-07 Ben Elliston <bje@au.ibm.com>
960 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
961 as the latter produces a warning when the target does not support
964 2009-04-07 Ben Elliston <bje@au.ibm.com>
966 * dfp.c: Replace type punning assignments with memcpy throughout.
967 * Makefile.in (dfp.o-warn): Remove.
969 2009-04-07 Alan Modra <amodra@bigpond.net.au>
972 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
973 Include soft-fp/t-softfp after rs6000/t-linux64.
975 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
977 * stor-layout.c (set_sizetype): Use the full precision of their
978 machine mode for bitsize types.
980 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
982 * config/i386/i386.md: Revert 2 accidental checkins.
984 2009-04-06 Joey Ye <joey.ye@intel.com>
985 Xuepeng Guo <xuepeng.guo@intel.com>
986 H.J. Lu <hongjiu.lu@intel.com>
988 Atom pipeline model, tuning and insn selection.
989 * config.gcc (atom): Add atom config options and target.
991 * config/i386/atom.md: New.
993 * config/i386/i386.c (atom_cost): New cost.
994 (m_ATOM): New macro flag.
995 (initial_ix86_tune_features): Set m_ATOM.
996 (x86_accumulate_outgoing_args): Likewise.
997 (x86_arch_always_fancy_math_387): Likewise.
998 (processor_target): Add Atom cost.
999 (cpu_names): Add Atom cpu name.
1000 (override_options): Set Atom ISA.
1001 (ix86_issue_rate): New case PROCESSOR_ATOM.
1002 (ix86_adjust_cost): Likewise.
1004 * config/i386/i386.h (TARGET_ATOM): New target macro.
1005 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1006 (TARGET_OPT_AGU): New target option.
1007 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1008 (processor_type): Add PROCESSOR_ATOM.
1010 * config/i386/i386.md (cpu): Add new value "atom".
1011 (use_carry, movu): New attr.
1012 (atom.md): Include atom.md.
1013 (adddi3_carry_rex64): Set attr "use_carry".
1014 (addqi3_carry): Likewise.
1015 (addhi3_carry): Likewise.
1016 (addsi3_carry): Likewise.
1017 (*addsi3_carry_zext): Likewise.
1018 (subdi3_carry_rex64): Likewise.
1019 (subqi3_carry): Likewise.
1020 (subhi3_carry): Likewise.
1021 (subsi3_carry): Likewise.
1022 (x86_movdicc_0_m1_rex64): Likewise.
1023 (*x86_movdicc_0_m1_se): Likewise.
1024 (x86_movsicc_0_m1): Likewise.
1025 (*x86_movsicc_0_m1_se): Likewise.
1026 (*adddi_1_rex64): Emit add insn as much as possible.
1027 (*addsi_1): Likewise.
1028 (return_internal): Set atom_unit.
1029 (return_internal_long): Likewise.
1030 (return_pop_internal): Likewise.
1031 (*rcpsf2_sse): Set atom_sse_attr attr.
1032 (*qrt<mode>2_sse): Likewise.
1033 (*prefetch_sse): Likewise.
1035 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1037 (ix86_target_macros_internal): Likewise.
1039 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1040 (*prefetch_sse_rex): Likewise.
1041 (sse_rcpv4sf2): Likewise.
1042 (sse_vmrcpv4sf2): Likewise.
1043 (sse_sqrtv4sf2): Likewise.
1044 (<sse>_vmsqrt<mode>2): Likewise.
1045 (sse_ldmxcsr): Likewise.
1046 (sse_stmxcsr): Likewise.
1047 (*sse_sfence): Likewise.
1048 (sse2_clflush): Likewise.
1049 (*sse2_mfence): Likewise.
1050 (*sse2_lfence): Likewise.
1051 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1052 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1053 (avx_movdqu<avxmodesuffix>): Likewise.
1054 (avx_lddqu<avxmodesuffix>): Likewise.
1055 (sse2_movntv2di): Change attr "type" to "ssemov".
1056 (sse2_movntsi): Likewise.
1057 (rsqrtv8sf2): Change attr "type" to "sseadd".
1058 (sse3_addsubv2df3): Set attr "atom_unit".
1059 (sse3_h<plusminus_insn>v4sf3): Likewise.
1060 (*sse2_pmaddwd): Likewise.
1061 (*vec_extractv2di_1_rex64): Likewise.
1062 (*vec_extractv2di_1_avx): Likewise.
1063 (sse2_psadbw): Likewise.
1064 (ssse3_phaddwv8hi3): Likewise.
1065 (ssse3_phaddwv4hi3): Likewise.
1066 (ssse3_phadddv4si3): Likewise.
1067 (ssse3_phadddv2si3): Likewise.
1068 (ssse3_phaddswv8hi3): Likewise.
1069 (ssse3_phaddswv4hi3): Likewise.
1070 (ssse3_phsubwv8hi3): Likewise.
1071 (ssse3_phsubwv4hi3): Likewise.
1072 (ssse3_phsubdv4si3): Likewise.
1073 (ssse3_phsubdv2si3): Likewise.
1074 (ssse3_phsubswv8hi3): Likewise.
1075 (ssse3_phsubswv4hi3): Likewise.
1076 (ssse3_pmaddubsw128): Likewise.
1077 (sse3_pmaddubsw: Likewise.
1078 (ssse3_palignrti): Likewise.
1079 (ssse3_palignrdi): Likewise.
1081 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1083 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1085 2009-04-06 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/28868
1088 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1089 of which PHI results we inserted.
1090 (insert_into_preds_of_block): Record inserted PHIs.
1091 (eliminate): Eliminate redundant PHI nodes.
1092 (init_pre): Init inserted_phi_names.
1094 2009-04-06 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/39643
1097 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1098 IMAGPART_EXPRs of complex constants.
1099 (execute_fold_all_builtins): If we folded a call queue
1100 TODO_update_address_taken.
1102 2009-04-06 Jan Hubicka <jh@suse.cz>
1105 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1108 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1110 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1112 (ic_invalidate_array): Likewise.
1114 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1116 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1117 alignment for library calls.
1119 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1121 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1122 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1123 * config/i386/mingw-stdint.h: New file.
1125 2009-04-05 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/39648
1128 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1129 our &A vs. &A[0] IL deficiencies.
1131 2009-04-04 Jan Hubicka <jh@suse.cz>
1133 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1134 removed toplevel regions.
1135 (sjlj_mark_call_sites): Likewise.
1137 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1139 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1140 (cygwin tm clause use_gcc_stdint): Set to wrap.
1141 * config/i386/cygwin-stdint.h: New file.
1143 2009-04-04 Richard Guenther <rguenther@suse.de>
1145 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1146 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1147 single-argument PHIs if we are in loop-closed SSA form.
1148 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1149 for the pre-condition.
1150 (slpeel_tree_peel_loop_to_edge): Likewise.
1151 (vect_build_loop_niters): Take an optional sequence to append stmts.
1152 (vect_generate_tmps_on_preheader): Likewise.
1153 (vect_do_peeling_for_loop_bound): Take extra guards for the
1155 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1156 the cost model check.
1157 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1158 guards if we are going to peel. Do not apply versioning in that case.
1159 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1160 (vect_do_peeling_for_loop_bound): Likewise.
1161 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1162 loop bound only record extra pre-conditions, do not apply loop
1165 2009-04-04 Richard Guenther <rguenther@suse.de>
1167 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1170 2009-04-04 Jan Hubicka <jh@suse.cz>
1172 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1173 last_basic_block for size of bb->index indexed array.
1174 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1175 compute_out, link_btr_uses, build_btr_def_use_webs,
1176 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1178 2009-04-04 Jan Hubicka <jh@suse.cz>
1180 * except.c (remove_eh_handler_and_replace): Break out from ...
1181 (remove_eh_handler): ... here.
1182 (bring_to_root): New function.
1183 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1184 handled ones, bring others to root of tree.
1186 2009-04-04 Jan Hubicka <jh@suse.cz>
1188 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1189 (all_phis_safe_to_merge): New function.
1190 (update_info): New structure.
1191 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1192 (cleanup_empty_eh): Update SSA if possible.
1194 2009-04-04 Richard Guenther <rguenther@suse.de>
1196 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1197 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1198 (append_vuse): Likewise.
1200 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1202 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1203 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1204 instead of REG_UNSAVED for DW_CFA_undefined.
1205 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1206 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1209 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1212 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1213 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1214 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1216 2009-04-04 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/8781
1219 PR tree-optimization/37892
1220 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1221 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1222 (valueize_refs): Call it for *& valueizations.
1223 (shared_reference_ops_from_ref): Rename to ...
1224 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1225 (shared_reference_ops_from_call): Rename to ...
1226 (valueize_shared_reference_ops_from_call): ... this and valueize.
1227 (vn_reference_lookup): Update.
1228 (visit_reference_op_call): Likewise.
1229 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1230 (eliminate): Value-replace the call address in call statements.
1232 2009-04-04 Richard Guenther <rguenther@suse.de>
1234 PR tree-optimization/39636
1235 * tree-ssa-forwprop.c
1236 (forward_propagate_addr_into_variable_array_index): Check for
1237 GIMPLE_ASSIGN before accessing the rhs code.
1239 2009-04-03 Jason Merrill <jason@redhat.com>
1241 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1243 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1245 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1246 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1247 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1248 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1249 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1250 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1251 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1252 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1253 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1254 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1255 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1256 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1257 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1258 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1259 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1260 Use fr_reg_or_fp01_operand instead of fr_register_operand
1262 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1263 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1264 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1266 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1268 PR rtl-optimization/39607
1269 PR rtl-optimization/39631
1273 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1274 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1275 instead of DF_LR_OUT.
1276 * ira-lives.c (process_bb_node_lives): Ditto.
1277 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1278 instead of DF_LR_{OUT,IN}.
1279 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1280 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1282 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1284 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1285 (execute_lower_omp): Always run but take the short way out if -fopenmp
1287 (gate_lower_omp): Remove, forcing the pass manager to always run the
1288 pass and always set PROP_gimple_lomp.
1289 (pass_lower_omp): Remove gate function.
1290 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1291 PROP_trees. Instead, require it.
1292 * ipa-cp.c (pass_ipa_cp): Likewise.
1293 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1294 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1295 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1296 and PROP_gimple_leh.
1298 2009-04-03 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/23940
1302 PR tree-optimization/33237
1305 PR tree-optimization/36201
1306 PR tree-optimization/36230
1307 PR tree-optimization/38049
1308 PR tree-optimization/38207
1309 PR tree-optimization/38230
1310 PR tree-optimization/38301
1311 PR tree-optimization/38585
1313 PR tree-optimization/38985
1314 PR tree-optimization/39299
1315 * tree-ssa-structalias.h: Remove.
1316 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1317 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1318 (struct vuse_element_d): Remove.
1319 (struct vuse_vec_d): Likewise.
1320 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1321 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1322 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1323 VUSE_ELEMENT_VAR): Likewise.
1324 (struct voptype_d): Likewise.
1325 (NUM_VOP_FREE_BUCKETS): Likewise.
1326 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1327 (struct stmt_operands_d): Remove.
1328 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1329 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1330 VDEF_NUM, VDEF_VECT): Likewise.
1331 (copy_virtual_operands): Remove.
1332 (operand_build_cmp): Likewise.
1333 (create_ssa_artificial_load_stmt): Likewise.
1334 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1335 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1336 vuse_index and mayuse_index members. Pack and move done and iter_type
1337 members to the front.
1338 (SSA_OP_VMAYUSE): Remove.
1339 (SSA_OP_VIRTUAL_USES): Adjust.
1340 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1341 (unlink_stmt_vdef): Declare.
1342 (add_to_addressable_set): Remove.
1343 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1344 (vrp_visit_stmt): Likewise.
1345 * doc/tree-ssa.texi (Alias analysis): Update.
1346 * doc/invoke.texi (max-aliased-vops): Remove docs.
1347 (avg-aliased-vops): Likewise.
1348 * tree-into-ssa.c (syms_to_rename): Remove.
1349 (need_to_update_vops_p): Likewise.
1350 (need_to_initialize_update_ssa_p): Rename to ...
1351 (update_ssa_initialized_fn): ... this. Track function we are
1353 (symbol_marked_for_renaming): Simplify.
1354 (add_new_name_mapping): Do not set need_to_update_vops_p.
1355 (dump_currdefs): Use SYMS_TO_RENAME.
1356 (rewrite_update_stmt): Always walk all uses/defs.
1357 (dump_update_ssa): Adjust.
1358 (init_update_ssa): Take function argument. Track what we are
1360 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1361 (create_new_def_for): Initialize for cfun, assert we are initialized
1363 (mark_sym_for_renaming): Simplify.
1364 (mark_set_for_renaming): Do not initialize update-ssa.
1365 (need_ssa_update_p): Simplify. Take function argument.
1366 (name_mappings_registered_p): Assert we ask for the correct function.
1367 (name_registered_for_update_p): Likewise.
1368 (ssa_names_to_replace): Likewise.
1369 (release_ssa_name_after_update_ssa): Likewise.
1370 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1371 (dump_decl_set): Do not print a newline.
1372 (debug_decl_set): Do it here.
1373 (dump_update_ssa): And here.
1374 * tree-ssa-loop-im.c (move_computations): Adjust.
1375 (movement_possibility): Likewise.
1376 (determine_max_movement): Likewise.
1377 (gather_mem_refs_stmt): Likewise.
1378 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1380 * tree-complex.c (update_all_vops): Remove.
1381 (expand_complex_move): Adjust.
1382 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1383 Simplify test for memory referencing statement. Exclude
1384 non-invariant ADDR_EXPRs.
1385 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1386 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1387 (rdg_flag_uses): Likewise.
1388 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1390 (tree_optimize_tail_calls_1): Also split the
1391 edge from the entry block if we have degenerate PHI nodes in
1392 the first basic block.
1393 * tree.c (init_ttree): Remove memory-tag related code.
1394 (tree_code_size): Likewise.
1395 (tree_node_structure): Likewise.
1396 (build7_stat): Re-write to be build6_stat.
1397 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1398 (SSA_VAR_P): Adjust.
1399 (struct tree_memory_tag): Remove.
1400 (struct tree_memory_partition_tag): Likewise.
1401 (union tree_node): Adjust.
1402 (build7): Re-write to be build6.
1403 * tree-pass.h (pass_reset_cc_flags): Remove.
1404 (TODO_update_address_taken): New flag.
1405 (pass_simple_dse): Remove.
1406 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1407 * params.h (MAX_ALIASED_VOPS): Remove.
1408 (AVG_ALIASED_VOPS): Likewise.
1409 * omp-low.c (expand_omp_taskreg): Update SSA form.
1410 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1411 aliases the lhs in a copy stmt.
1412 * tree-ssa-dse.c (struct address_walk_data): Remove.
1413 (memory_ssa_name_same): Likewise.
1414 (memory_address_same): Likewise.
1415 (get_kill_of_stmt_lhs): Likewise.
1416 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1417 unused stores. Look through PHI nodes into post-dominated regions.
1418 (dse_optimize_stmt): Simplify. Properly remove stores.
1419 (tree_ssa_dse): Compute dominators.
1420 (execute_simple_dse): Remove.
1421 (pass_simple_dse): Likewise.
1422 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1423 gimple_loaded_syms and gimple_stored_syms computation.
1424 * toplev.c (dump_memory_report): Dump alias and pta stats.
1425 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1426 (vn_reference_eq): Likewise.
1427 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1428 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1429 valueize_vuses): Remove.
1430 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1431 (get_def_ref_stmt_vuse): ... this.
1432 (vn_reference_lookup_2): New function.
1433 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1434 walking equivalent vuses. Simplify.
1435 (vn_reference_lookup): Likewise.
1436 (vn_reference_insert): Likewise.
1437 (vn_reference_insert_pieces): Likewise.
1438 (visit_reference_op_call): Simplify.
1439 (visit_reference_op_load): Likewise.
1440 (visit_reference_op_store): Likewise.
1441 (init_scc_vn): Remove shared_lookup_vuses initialization.
1442 (free_scc_vn): Remove shared_lookup_vuses freeing.
1443 (sort_vuses, sort_vuses_heap): Remove.
1444 (get_ref_from_reference_ops): Export.
1445 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1446 vector with single vuse pointer.
1447 (vn_reference_lookup_pieces, vn_reference_lookup,
1448 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1449 (shared_vuses_from_stmt): Remove.
1450 (get_ref_from_reference_ops): Declare.
1451 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1452 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1453 memory-tag related code.
1454 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1455 (likely_value): Add comment, skip static-chain of call statements.
1456 (surely_varying_stmt_p): Adjust.
1457 (gimplify_and_update_call_from_tree): Likewise.
1458 (execute_fold_all_builtins): Do not rebuild alias info.
1459 (gimplify_and_update_call_from_tree): Properly update VOPs.
1460 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1461 (copy_ref_info): Remove memory-tag related code.
1462 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1463 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1464 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1466 * tree-ssa-dom.c (gimple_p): Remove typedef.
1467 (eliminate_redundant_computations): Adjust.
1468 (record_equivalences_from_stmt): Likewise.
1469 (avail_expr_hash): Likewise.
1470 (avail_expr_eq): Likewise.
1471 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1472 (stmt_makes_single_load): Likewise.
1473 (stmt_makes_single_store): Likewise.
1474 * tree-ssa-alias.c: Rewrite completely.
1475 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1476 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1477 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1478 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1479 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1480 Remove public functions.
1481 (pass_reset_cc_flags): Remove.
1482 (pass_build_alias): Move ...
1483 * tree-ssa-structalias.c (pass_build_alias): ... here.
1484 * tree-ssa-alias.c (may_be_aliased): Move ...
1485 * tree-flow-inline.h (may_be_aliased): ... here.
1486 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1487 count_uses_and_derefs): Move ...
1488 * gimple.c: ... here.
1489 * gimple.h (count_uses_and_derefs): Declare.
1490 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1491 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1492 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1493 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1494 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1495 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1496 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1498 * tree-dfa.c (refs_may_alias_p): Move ...
1499 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1500 * tree-ssa-alias.h: New file.
1501 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1502 (statement_sink_location): Likewise.
1503 * opts.c (decode_options): Do not adjust max-aliased-vops or
1504 avg-aliased-vops values.
1505 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1506 (TV_CALL_CLOBBER): Likewise.
1507 (TV_FLOW_SENSITIVE): Likewise.
1508 (TV_FLOW_INSENSITIVE): Likewise.
1509 (TV_MEMORY_PARTITIONING): Likewise.
1510 (TV_ALIAS_STMT_WALK): New timevar.
1511 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1512 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1513 (get_address_description): Remove memory-tag related code.
1514 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1515 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1516 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1517 and immediate uses in statements. Document.
1518 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1519 (dump_symbols): Remove.
1520 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1521 * alias.c (get_deref_alias_set): New function split out from ...
1522 (get_alias_set): ... here.
1523 * alias.h (get_deref_alias_set): Declare.
1524 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1525 type parameter. Remove restrict pointer handling. Create a
1526 ref-all pointer in case type-based alias sets do not conflict.
1527 (vect_analyze_data_refs): Remove SMT related code.
1528 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1529 (vectorizable_load): Likewise.
1530 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1531 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1532 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1533 Ignore vops and SMTs.
1534 (dr_analyze_alias): Likewise..
1535 (free_data_ref): Likewise.
1536 (create_data_ref): Likewise.
1537 (analyze_all_data_dependences): Likewise.
1538 (get_references_in_stmt): Adjust.
1539 * tree-flow-inline.h (gimple_aliases_computed_p,
1540 gimple_addressable_vars, gimple_call_clobbered_vars,
1541 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1542 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1543 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1544 gimple_mem_ref_stats): Remove.
1545 (gimple_vop): New function.
1546 (op_iter_next_use): Remove vuses and mayuses cases.
1547 (op_iter_next_def): Remove vdefs case.
1548 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1549 (clear_and_done_ssa_iter): Do not set removed fields.
1550 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1551 Assert we are not iterating over vuses or vdefs if not also
1552 iterating over uses or defs.
1553 (op_iter_init_use): Likewise.
1554 (op_iter_init_def): Likewise.
1555 (op_iter_next_vdef): Remove.
1556 (op_iter_next_mustdef): Likewise.
1557 (op_iter_init_vdef): Likewise.
1558 (compare_ssa_operands_equal): Likewise.
1559 (link_use_stmts_after): Handle vuse operand.
1560 (is_call_used): Use is_call_clobbered.
1561 (is_call_clobbered): Global variables are always call clobbered,
1562 query the call-clobbers bitmap.
1563 (mark_call_clobbered): Ignore global variables.
1564 (clear_call_clobbered): Likewise.
1565 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1566 virtual operands sanity check.
1567 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1569 (TARGET_MEM_REF): Remove TMR_TAG operand.
1570 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1571 Remove call-clobber related code.
1572 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1573 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1574 partitions or escape reason.
1575 (get_single_def_stmt, get_single_def_stmt_from_phi,
1576 get_single_def_stmt_with_phi): Remove.
1577 (dump_referenced_vars): Tidy.
1578 (get_ref_base_and_extent): Allow bare decls.
1579 (collect_dfa_stats): Adjust.
1580 * graphite.c (rename_variables_in_stmt): Adjust.
1581 (graphite_copy_stmts_from_block): Likewise.
1582 (translate_clast): Likewise.
1583 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1585 (translate_vuse_through_block): Use the oracle.
1586 (phi_translate_1): Adjust.
1587 (value_dies_in_block_x): Use the oracle. Cache the outcome
1589 (valid_in_sets): Check if the VUSE for
1590 a REFERENCE is available.
1591 (eliminate): Do not remove stmts during elimination,
1592 instead queue and remove them afterwards.
1593 (do_pre): Do not rebuild alias info.
1594 (pass_pre): Run TODO_rebuild_alias before PRE.
1595 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1596 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1597 (mark_all_v_defs_stmt): Remove.
1598 (mark_all_v_defs_seq): Adjust.
1599 (sra_replace): Likewise.
1600 (scalarize_use): Likewise.
1601 (scalarize_copy): Likewise.
1602 (scalarize_init): Likewise.
1603 (scalarize_ldst): Likewise.
1604 (todoflags): Remove.
1605 (tree_sra): Do not rebuild alias info.
1606 (tree_sra_early): Adjust.
1607 (pass_sra): Run TODO_update_address_taken before SRA.
1608 * tree-predcom.c (set_alias_info): Remove.
1609 (prepare_initializers_chain): Do not call it.
1610 (mark_virtual_ops_for_renaming): Adjust.
1611 (mark_virtual_ops_for_renaming_list): Remove.
1612 (initialize_root_vars): Adjust.
1613 (initialize_root_vars_lm): Likewise.
1614 (prepare_initializers_chain): Likewise.
1615 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1616 (may_propagate_copy_into_stmt): Likewise.
1617 (merge_alias_info): Do nothing for now.
1618 (propagate_tree_value_into_stmt): Adjust.
1619 (stmt_may_generate_copy): Likewise.
1620 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1621 not mark symbols for renaming.
1622 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1623 with the same statement, make sure to update the new pointed-to one.
1624 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1625 call statements, do not mark symbols for renaming.
1626 (mark_operand_necessary): Dump something.
1627 (ref_may_be_aliased): New function.
1628 (mark_aliased_reaching_defs_necessary_1): New helper function.
1629 (mark_aliased_reaching_defs_necessary): Likewise.
1630 (mark_all_reaching_defs_necessary_1): Likewise.
1631 (mark_all_reaching_defs_necessary): Likewise.
1632 (propagate_necessity): Do not process virtual PHIs. For
1633 non-aliased loads mark all reaching definitions as necessary.
1634 For aliased loads and stores mark the immediate dominating
1635 aliased clobbers as necessary.
1636 (visited): New global static.
1637 (perform_tree_ssa_dce): Free visited bitmap after propagating
1639 (remove_dead_phis): Perform simple dead virtual PHI removal.
1640 (remove_dead_stmt): Properly unlink virtual operands when
1642 (eliminate_unnecessary_stmts): Schedule PHI removal after
1644 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1645 (process_replaceable): Likewise.
1646 (find_replaceable_in_bb): Likewise.
1647 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1648 based on the single gimple vop.
1649 (verify_flow_insensitive_alias_info): Remove.
1650 (verify_flow_sensitive_alias_info): Likewise.
1651 (verify_call_clobbering): Likewise.
1652 (verify_memory_partitions): Likewise.
1653 (verify_alias_info): Likewise.
1654 (verify_ssa): Adjust..
1655 (execute_update_addresses_taken): Export. Update SSA
1656 manually. Optimize only when optimizing. Use a local bitmap.
1657 (pass_update_address_taken): Remove TODO_update_ssa, add
1659 (pass_update_address_taken): Just use TODO_update_address_taken.
1660 (init_tree_ssa): Do not initialize addressable_vars.
1661 (verify_ssa): Verify new VUSE / VDEF properties.
1662 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1663 Do not call verify_alias_info.
1664 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1665 Do not free the loaded and stored syms bitmaps. Reset the escaped
1666 and callused solutions. Do not free addressable_vars.
1667 Remove memory-tag related code.
1668 (warn_uninitialized_var): Aliases are always available.
1669 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1670 * lambda-code.c (can_put_in_inner_loop): Adjust.
1671 (can_put_after_inner_loop): Likewise.
1672 (perfect_nestify): Likewise.
1673 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1674 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1675 (vectorizable_conversion): Do not mark symbols for renaming.
1676 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1677 (expand_call_inline): Unlink the calls virtual operands before
1679 (tree_function_versioning): Do not call update_ssa if we are not
1680 updating clones. Simplify.
1681 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1682 (propagate_with_phi): Likewise..
1683 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1684 clobber code. Assert we are not aliased or global.
1685 * tree-flow.h: Include tree-ssa-alias.h
1686 (enum escape_type): Remove.
1687 (struct mem_sym_stats_d): Likewise.
1688 (struct mem_ref_stats_d): Likewise.
1689 (struct gimple_df): Add vop member. Remove global_var,
1690 call_clobbered_vars, call_used_vars, addressable_vars,
1691 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1692 escaped and callused members.
1693 (struct ptr_info_def): Remove all members, add points-to solution
1695 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1696 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1697 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1698 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1699 (tree-ssa-alias.o): Likewise.
1700 (toplev.o): Add tree-ssa-alias.h
1701 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1702 * gimple.c (gimple_set_bb): Fix off-by-one error.
1703 (is_gimple_reg): Do not handle memory tags.
1704 (gimple_copy): Also copy virtual operands.
1705 Delay updating the statement. Do not reset loaded and stored syms.
1706 (gimple_set_stored_syms): Remove.
1707 (gimple_set_loaded_syms): Likewise.
1708 (gimple_call_copy_skip_args): Copy the virtual operands
1709 and mark the new statement modified.
1710 * tree-ssa-structalias.c (may_alias_p): Remove.
1711 (set_uids_in_ptset): Take the alias set to prune with as
1712 parameter. Fold in the alias test of may_alias_p.
1713 (compute_points_to_sets): Compute whether a ptr is dereferenced
1715 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1716 other ADDRESSOF constraints on the lhs.
1717 (get_constraint_for_component_ref): Assert that we don't get
1718 ADDRESSOF constraints from the base of the reference.
1719 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1720 (struct variable_info): Remove collapsed_to member.
1721 (get_varinfo_fc): Remove.
1722 (new_var_info): Do not set collapsed_to.
1723 (dump_constraint): Do not follow cycles.
1724 (dump_constraint_graph): Likewise.
1725 (build_pred_graph): Likewise.
1726 (build_succ_graph): Likewise.
1727 (rewrite_constraints): Likewise.
1728 (do_simple_structure_copy): Remove.
1729 (do_rhs_deref_structure_copy): Remove.
1730 (do_lhs_deref_structure_copy): Remove.
1731 (collapse_rest_of_var): Remove.
1732 (do_structure_copy): Re-implement.
1733 (pta_stats): New global variable.
1734 (dump_pta_stats): New function.
1735 (struct constraint_expr): Make offset signed.
1736 (UNKNOWN_OFFSET): Define special value.
1737 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1738 (solution_set_expand): New helper function split out from ...
1739 (do_sd_constraint): ... here.
1740 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1741 (do_ds_constraint): Likewise.
1742 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1743 and CALLUSED = *CALLUSED.
1744 (set_union_with_increment): Make inc argument signed.
1745 (type_safe): Remove.
1746 (get_constraint_for_ptr_offset): Handle unknown and negative
1748 (first_vi_for_offset): Handle offsets before start. Bail
1749 out early for offsets beyond the variable extent.
1750 (first_or_preceding_vi_for_offset): New function.
1751 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1752 Together with ESCAPED = *ESCAPED this properly computes reachability.
1753 (find_what_var_points_to): New function.
1754 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1755 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1756 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1757 pt_solutions_intersect): New functions.
1758 (compute_call_used_vars): Remove.
1759 (compute_may_aliases): New main entry into PTA computation.
1760 * gimple.h (gimple_p): New typedef.
1761 (struct gimple_statement_base): Remove references_memory_p.
1762 (struct gimple_statement_with_memory_ops_base): Remove
1763 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1765 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1766 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1767 gimple_set_references_memory): Remove.
1768 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1769 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1771 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1772 (verify_expr): Allow RESULT_DECL.
1773 (gimple_duplicate_bb): Do not copy virtual operands.
1774 (gimple_duplicate_sese_region): Adjust.
1775 (gimple_duplicate_sese_tail): Likewise.
1776 (mark_virtual_ops_in_region): Remove.
1777 (move_sese_region_to_fn): Do not call it.
1778 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1779 and pass_simple_dse.
1780 (execute_function_todo): Handle TODO_update_address_taken,
1781 call execute_update_addresses_taken for TODO_rebuild_alias.
1782 (execute_todo): Adjust.
1783 (execute_one_pass): Init dump files early.
1784 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1786 (create_general_new_stmt): Clear vops.
1787 * tree-ssa-reassoc.c (get_rank): Adjust.
1788 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1789 symbols for renaming.
1790 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1791 (PARAM_AVG_ALIASED_VOPS): Likewise.
1792 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1793 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1794 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1795 (operand_build_cmp, copy_virtual_operands,
1796 create_ssa_artificial_load_stmt, add_to_addressable_set,
1797 gimple_add_to_addresses_taken): Remove public functions.
1798 (unlink_stmt_vdef): New function.
1800 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1802 * config.gcc (powerpc-*-linux*): Merge variants.
1804 2009-04-02 Chao-ying Fu <fu@mips.com>
1805 James Grosbach <james.grosbach@microchip.com>
1807 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1808 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1810 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1811 keep_interrupts_masked_p, use_debug_exception_return_p.
1812 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1813 keep_interrupts_masked, use_debug_exception_return.
1814 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1815 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1817 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1818 (mips_print_operand): Process COP0 registers to print $0 .. $31
1819 correctly for GAS to process.
1820 (mips_interrupt_extra_call_saved_reg_p): New function.
1821 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1823 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1824 (mips_compute_frame_info): Add supports for interrupt context that
1825 includes doubleword accumulators and COP0 registers.
1826 (mips_for_each_saved_acc): New function.
1827 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1828 mips_for_each_saved_reg.
1829 (mips_save_reg): Save accumulators.
1830 (mips_kernel_reg_p): A new for_each_rtx callback.
1831 (mips_expand_prologue): Support interrupt handlers.
1832 (mips_restore_reg): Restore accumulators.
1833 (mips_expand_epilogue): Support interrupt handlers.
1834 (mips_can_use_return_insn): Return false for interrupt handlers.
1835 (mips_epilogue_uses): New function.
1836 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1837 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1838 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1839 cop0_move): New instructions.
1840 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1841 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1843 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1845 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1846 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1847 interrupt handlers, we use K0 as the temporary register.
1848 (EPILOGUE_USES): Change to a function call.
1849 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1850 handlers, we use K0 as the temporary register.
1852 * doc/extend.texi (Function Attributes): Document interrupt,
1853 use_shadow_register_set, keep_interrupts_masked,
1854 use_debug_exception_return for MIPS attributes.
1856 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1858 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1859 Remove a number of t-files from tmake_file.
1860 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1861 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1862 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1863 target_prototype, not TARGET_PROTOTYPE.
1864 (LINK_OS_GNU_SPEC): Define.
1865 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1866 and darwin-ldoubdle.c.
1868 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1871 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1872 (cpp_options): Ditto.
1873 (default_compilers): Ditto.
1874 (display_help): Ditto.
1875 (process_command): Ditto.
1877 (set_input): Use lbasename instead of duplicate code.
1878 (save_temps_prefix): New static for -save-temps=obj.
1879 (save_temps_length): Ditto.
1881 * doc/invoke.texi (-save-temps=obj): Document new variant to
1884 2009-04-02 Jeff Law <law@redhat.com>
1886 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1889 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1891 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1892 * configure: Regenerated.
1894 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1896 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1897 share the argument list.
1899 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1903 2009-02-12 Diego Novillo <dnovillo@google.com>
1905 * varpool.c (debug_varpool): New.
1906 * cgraph.h (debug_varpool): Declare.
1908 2009-04-02 Jan Hubicka <jh@suse.cz>
1910 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1913 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1915 * config/i386/i386.c (ix86_abi): Move initialization to ...
1916 (override_options): Here.
1918 2009-04-02 Christian Bruel <christian.bruel@st.com>
1920 * config/sh/sh.c (sh_dwarf_register_span): New function.
1921 (TARGET_DWARF_REGISTER_SPAN): Define.
1922 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1924 2009-04-02 Ira Rosen <irar@il.ibm.com>
1926 PR tree-optimization/39595
1927 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1928 interleaved loads group is not greater than the SLP group size.
1930 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1932 * builtins.c (is_builtin_name): New.
1933 (called_as_built_in): Use is_builtin_name.
1934 * tree.h (is_builtin_name): New.
1935 * varasm.c (incorporeal_function_p): Use is_builtin_name
1937 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1939 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1941 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1944 * c-decl.c: (clone_underlying_type): Move this ...
1945 * c-common.c (set_underlying_type): ... here.
1946 Also, make sure the function properly sets TYPE_STUB_DECL() on
1947 the newly created typedef variant type.
1948 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1949 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1952 2009-04-02 Richard Guenther <rguenther@suse.de>
1954 PR tree-optimization/37221
1955 * tree-flow.h (degenerate_phi_result): Declare.
1956 * tree-ssa-dom.c (degenerate_phi_result): Export.
1957 * tree-scalar-evolution.c (analyze_initial_condition): If
1958 the initial condition is defined by a degenerate PHI node
1959 use the degenerate value.
1961 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1963 PR rtl-optimization/39588
1964 * combine.c (merge_outer_ops): Do not set the constant when this
1966 (simplify_shift_const_1): Do not modify it either in this case.
1968 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1970 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1971 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1973 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1976 * c-lex.c (interpret_float): Default (no suffix) is double.
1978 2009-04-1 Xinliang David Li <davidxl@google.com>
1980 * config/i386/i386.c (legitimate_constant_p): Recognize
1981 all one vector constant.
1983 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1985 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1986 Change #include order to silence two warnings.
1988 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1990 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1991 (ASM_SPEC): Pass -k to the assembler for PIC code.
1993 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1995 * gcc/config.gcc: Add vax-*-linux* to the switch.
1996 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1997 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1999 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2001 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2002 Use predicate macros instead of GET_CODE() == foo.
2003 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2004 ashlsi3, rotrsi3, <unnamed>): Likewise.
2006 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2008 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2009 jbbccihi, jbbccisi): Remova trailing whitespace.
2010 * gcc/config/vax/constraints.md: Likewise.
2011 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2012 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2013 * gcc/config/vax/predicates.md: Likewise.
2014 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2015 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2016 * gcc/config/vax/vax.h: Likewise.
2017 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2019 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2021 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2022 (indirectable_address_p, adjacent_operands_p): Add spaces around
2024 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2026 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2028 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2029 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2030 index_term_p, reg_plus_index_p, legitimate_address_p,
2031 vax_mode_dependent_address_p): Update comments to match functions
2032 modified by the recent int->bool conversion.
2034 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2036 * gcc/config/vax/builtins.md: Update copyright message.
2037 * gcc/config/vax/constraints.md: Likewise.
2038 * gcc/config/vax/netbsd-elf.h: Likewise.
2039 * gcc/config/vax/predicates.md: Likewise.
2040 * gcc/config/vax/vax-protos.h: Likewise.
2041 * gcc/config/vax/vax.c: Likewise.
2042 * gcc/config/vax/vax.h: Likewise.
2043 * gcc/config/vax/vax.md: Likewise.
2044 * gcc/config/vax/vax.opt: Likewise.
2046 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2048 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2049 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2050 * gcc/config/vax/constraints.md (B, R): Likewise.
2051 * gcc/config/vax/predicates.md (external_memory_operand,
2052 nonimmediate_addsub_di_operand): Likewise.
2053 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2054 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2055 untyped_call): Likewise.
2057 2009-04-01 Matt Thomas <matt@3am-software.com>
2059 * config/vax/predicates.md: New file.
2060 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2061 external_const_operand, nonsymbolic_operand, external_memory_operand,
2062 indirect_memory_operand, indexed_memory_operand,
2063 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2064 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2066 * config/vax/constraints.md: New file.
2067 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2069 * config/vax/builtins.md: New file.
2070 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2071 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2073 * config/vax/vax.opt (mqmath): Add option.
2074 * config/vax/vax.md (isfx): Extend with DI.
2075 (VAXintQH, VAXintQHSD): Define.
2076 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2077 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2078 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2079 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2080 (movdi): Update constraints and use vax_output_int_move().
2081 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2082 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2083 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2084 nonlocal_goto): New.
2085 (mov<mode>): Extend accepted operand types.
2086 (subdi3_old): Rename from subdi3, change update constraints and use
2087 a new implementation.
2088 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2089 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2090 MOVE_RATIO, CLEAR_RATIO): Define.
2091 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2092 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2093 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2094 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2095 (split_quadword_operands): Make static and really allow variable
2097 (print_operand_address): Update for PIC generation.
2098 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2099 indexable_address_p, fixup_mathdi_operand,
2100 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2101 (vax_float_literal, legitimate_constant_p,
2102 indirectable_constant_address_p, index_term_p,
2103 reg_plus_index_p): Return bool instead of int.
2104 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2106 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2108 (vax_output_conditional_branch): Indent.
2109 (legitimate_constant_address_p, indirectable_constant_address_p,
2110 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2111 vax_mode_dependent_address_p): Return bool instead of int, update for
2113 * config/vax/vax-protos.h (legitimate_constant_address_p,
2114 legitimate_constant_p, legitimate_address_p,
2115 vax_mode_dependent_address_p): Change declaration to bool.
2116 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2117 vax_expand_addsub_di_operands, vax_output_int_subtract,
2118 vax_output_movmemsi): Declare.
2119 (split_quadword_operands, vax_float_literal): Delete declaration.
2120 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2121 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2122 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2123 ASM_OUTPUT_DWARF_PCREL): Define.
2124 (ASM_SPEC): Change definition to allow PIC generation.
2126 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2128 * doc/sourcebuild.texi: Update front-end requirements.
2130 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2133 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2134 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2135 (booldi3_internal3): Use boolean_or_operator instead of
2138 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2141 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2142 declarator whose size is not an integer constant expression but
2143 folds to an integer constant, then treat it as a constant
2146 2009-04-01 Richard Guenther <rguenther@suse.de>
2148 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2149 i * 4 + 2 to (i * 2 + 1) * 2.
2151 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2154 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2155 return if c_parser_asm_string_literal returned NULL.
2157 2009-04-01 Nick Clifton <nickc@redhat.com>
2159 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2161 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2162 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2163 other typedefs to avoid conflicts with libgcc2.c. Define labels
2164 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2166 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2167 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2170 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2172 * varasm.c (default_function_rodata_section): Declare DOT as
2175 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2176 Andrey Galkin <agalkin@hypercom.com>
2179 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2180 Make object_name unique for each process.
2182 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2185 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2186 addressable variables in the parallel that could go out of scope while
2187 running queued tasks.
2189 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2191 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2192 (CASE_VALUES_THRESHOLD): Redefine.
2193 * config/avr/avr.c (avr_override_options): Remove initialization of
2194 avr_case_values_threshold variable.
2195 (avr_case_values_threshold): Remove variable. Add new function.
2196 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2197 * config/avr/avr.opt (mno-tablejump): Remove option.
2198 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2200 2009-04-01 DJ Delorie <dj@redhat.com>
2202 * varasm.c (default_function_rodata_section): Don't assume
2203 anything about where the first '.' in the section name is.
2205 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2207 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2208 rs6000_emit_stack_tie.
2210 2009-03-31 Ian Lance Taylor <iant@google.com>
2212 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2213 gimple_code with GIMPLE_RESX, not RESX.
2215 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2217 * c-common.c (c_get_ident): New.
2218 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2220 2009-04-01 Ben Elliston <bje@au.ibm.com>
2222 * config/rs6000/sysv4.opt (msdata): Improve option description.
2224 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2226 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2227 (divdf3_internal_lat): Remove.
2228 (divxf3_internal_lat): Remove.
2229 (divxf3_internal_thr): Remove.
2230 (divxf): Use divxf3_internal.
2231 * config/ia64/div.md (divsf3_internal_lat): New.
2232 (divdf3_internal_lat): New.
2233 (divxf3_internal): New.
2235 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2238 * Makefile.in (USE_GCC_STDINT): Define.
2239 (stmp-int-hdrs): Install stdint.h if applicable.
2240 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2242 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2243 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2244 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2245 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2246 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2247 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2248 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2249 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2250 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2251 (c_common_nodes_and_builtins): Initialize
2252 underlying_wchar_type_node. Do not initialize
2253 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2254 nodes for new types.
2255 (c_stddef_cpp_builtins): Define macros for new types.
2256 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2258 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2259 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2260 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2261 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2262 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2263 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2264 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2265 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2266 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2267 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2268 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2269 int16_type_node, int32_type_node, int64_type_node,
2270 uint8_type_node, uint16_type_node, c_uint32_type_node,
2271 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2272 int_least32_type_node, int_least64_type_node,
2273 uint_least8_type_node, uint_least16_type_node,
2274 uint_least32_type_node, uint_least64_type_node,
2275 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2276 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2277 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2278 uintptr_type_node): Define.
2279 * c-cppbuiltin.c (builtin_define_constants,
2280 builtin_define_type_minmax): New.
2281 (builtin_define_stdint_macros): Define more macros.
2282 (c_cpp_builtins): Define more limit macros.
2284 (builtin_define_type_max): Define in terms of
2285 builtin_define_type_minmax. Remove is_long parameter. All
2287 * config.gcc (use_gcc_stdint): Define.
2288 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2289 Add newlib-stdint.h for generic targets.
2290 * config/glibc-stdint.h, config/newlib-stdint.h,
2291 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2292 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2293 * config/score/score.h (UINTPTR_TYPE): Define.
2294 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2295 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2296 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2297 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2298 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2299 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2300 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2301 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2302 * config/spu/spu.h (STDINT_LONG32): Define.
2303 * configure.ac (use_gcc_stdint): Substitute.
2304 * configure: Regenerate.
2305 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2306 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2307 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2308 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2309 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2310 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2311 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2312 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2313 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2314 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2315 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2316 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2317 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2318 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2319 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2320 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2321 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2322 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2323 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2324 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2325 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2326 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2327 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2328 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2329 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2330 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2331 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2332 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2333 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2335 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2337 * loop-iv.c (suitable_set_for_replacement): Renamed from
2338 simplify_using_assignment; changed to return bool and to accept new
2339 args DEST and SRC. Return true iff we find a source/destination pair
2340 that can be used to make a replacement, and fill SRC and DEST if so.
2341 Remove arg ALTERED. Don't deal with altered regs here. All callers
2343 (simplify_using_initial_values): Deal with altered regs here and track
2344 more precisely the effect they have on the validity of our expression.
2346 * loop-iv.c (simplify_using_condition): A condition of the form
2347 (EQ REG CONST) can be used to simply make a substitution.
2348 (simplify_using_initial_values): Keep track of conditions we have seen
2349 and keep using them to simplify new expressions, while applying the
2350 same substitutions to them as to the expression.
2352 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2353 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2356 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2357 changed. Use this when trying to improve the upper bound.
2358 Generate the comparison by using simplify_gen_relational.
2360 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2362 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2364 (simplify_using_assignment, simplify_using_initial_values): Call
2365 replace_in_expr to make replacements. Call replace_single_def_regs
2366 once on the initial version of the expression.
2368 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2371 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2373 2009-03-31 Richard Guenther <rguenther@suse.de>
2376 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2377 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2379 2009-03-31 Richard Guenther <rguenther@suse.de>
2381 * tree.h (div_if_zero_remainder): Declare.
2382 * fold-const.c (div_if_zero_remainder): Export.
2383 * tree-ssa-forwprop.c
2384 (forward_propagate_addr_into_variable_array_index): Handle
2385 constant array index addition outside of the variable index.
2387 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2390 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2391 define_splits, floatunssi<mode>2): Require x87 conversions from
2392 DImode to be permitted.
2394 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2396 PR preprocessor/15638
2397 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2399 2009-03-31 Richard Guenther <rguenther@suse.de>
2403 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2404 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2405 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2406 a separate statement.
2407 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2408 (lookup_tmp_var): Likewise.
2409 (is_gimple_formal_tmp_or_call_rhs): Remove.
2410 (is_gimple_reg_or_call_rhs): Rename to ...
2411 (is_gimple_reg_rhs_or_call): ... this.
2412 (is_gimple_mem_or_call_rhs): Rename to ...
2413 (is_gimple_mem_rhs_or_call): ... this.
2414 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2415 DECL_GIMPLE_REG_P only if is_formal is true.
2416 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2417 for non-proper post-modify expression gimplification.
2418 (gimplify_self_mod_expr): For post-modify expressions gimplify
2419 the lvalue to a minimal lvalue.
2420 (rhs_predicate_for): Remove formal temp case.
2421 (gimplify_modify_expr_rhs): Likewise.
2422 (gimplify_addr_expr): Use is_gimple_reg.
2423 (gimplify_expr): Remove formal temp cases.
2424 (gimple_regimplify_operands): Likewise.
2425 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2426 and FILTER_EXPR like constants.
2427 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2429 (is_gimple_formal_tmp_rhs): Remove.
2430 (is_gimple_reg_rhs): Remove special casing.
2431 (is_gimple_mem_rhs): Fix.
2432 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2433 (is_gimple_formal_tmp_var): Remove.
2434 (is_gimple_formal_tmp_reg): Likewise.
2435 (is_gimple_min_lval): Allow invariant component ref parts.
2436 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2437 is_gimple_formal_tmp_reg): Remove declarations.
2438 * tree-cfg.c (verify_expr): Verify that variables with address
2439 taken do not have DECL_GIMPLE_REG_P set.
2440 * tree-mudflap.c (mf_build_check_statement_for): Use
2441 force_gimple_operand instead of gimplify_expr.
2443 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2445 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2446 schedulable rows to compute_split_row.
2448 2009-03-31 Ben Elliston <bje@au.ibm.com>
2451 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2454 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2456 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2457 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2458 * configure: Regenerate.
2459 * config.in: Regenerate.
2460 * config/rs6000/rs6000.opt (mtls-markers): Add.
2461 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2462 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2463 (tls_ld_aix, tls_ld_sysv): Likewise.
2464 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2465 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2467 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2469 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2471 2009-03-30 Jan Hubicka <jh@suse.cz>
2473 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2475 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2476 detection and label handling.
2478 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2480 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2481 left_conflicts_size.
2482 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2483 ALLOCNO_LEFT_CONFLICTS_SIZE.
2485 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2486 remove_allocno_from_bucket_and_push,
2487 allocno_spill_priority_compare, push_allocnos_to_stack,
2488 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2489 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2490 (setup_allocno_left_conflicts_num): Ditto. Rename to
2491 setup_allocno_left_conflicts_size.
2492 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2493 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2494 setup_allocno_left_conflicts_size instead of
2495 setup_allocno_left_conflicts_num.
2497 * ira-build.c (ira_create_allocno): Use
2498 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2499 ALLOCNO_LEFT_CONFLICTS_NUM.
2501 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2503 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2504 instead of DF_LR_OUT.
2506 * ira-lives.c (process_bb_node_lives): Ditto.
2508 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2509 instead of DF_LR_{OUT,IN}.
2511 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2513 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2515 2009-03-30 Jan Hubicka <jh@suse.cz>
2517 * except.c (label_to_region_map): Fix thinko.
2519 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2522 * tree.h (tree_find_value): New declaration.
2523 * tree.c (tree_find_value): New function.
2524 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2526 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2529 * c-decl.c (struct c_binding): Add locus field.
2530 (bind): Add locus argument, set locus field from it.
2531 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2532 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2533 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2534 implicitly_declare, undeclared_variable, lookup_label,
2535 declare_label, c_make_fname_decl, c_builtin_function,
2536 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2539 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2542 * config/i386/i386.c (classify_argument): Check total size of
2545 2009-03-30 Martin Jambor <mjambor@suse.cz>
2547 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2548 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2549 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2552 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2553 seen_variable_array_ref while also traversing a union.
2555 * tree-inline.c (optimize_inline_calls): Do not call
2556 cgraph_node_remove_callees.
2557 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2558 (pass_remove_cgraph_callee_edges): New variable.
2559 * passes.c (init_optimization_passes): Add
2560 pass_remove_cgraph_callee_edges after early inlining and before all
2561 late intraprocedural passes.
2563 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2565 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2567 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2570 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2572 * combine.c (simplify_comparison): Use have_insn_for.
2573 * dojump.c (do_jump): Likewise.
2575 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2577 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2578 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2579 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2580 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2581 instead of sparc_compare_emitted.
2582 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2583 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2584 instead of sparc_compare_emitted.
2586 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2588 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2589 enter/exit cfglayout mode.
2590 (pass_partition_block): Require it.
2591 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2592 (combine_instructions): Track basic blocks instead of labels.
2593 (update_cfg_for_uncondjump): New.
2594 (try_combine): Use it. Update jumps after rescanning.
2595 (pass_combine): Require PROP_cfglayout.
2596 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2598 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2600 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2601 Provide/destroy PROP_cfglayout respectively.
2602 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2603 * tree-pass.h (PROP_cfglayout): New.
2605 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2607 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2608 fold_convert_const_fixed_from_fixed,
2609 fold_convert_const_fixed_from_int,
2610 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2611 set TREE_CONSTANT_OVERFLOW.
2612 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2613 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2615 2009-03-30 Ira Rosen <irar@il.ibm.com>
2617 * tree-vect-loop-manip.c: New file.
2618 * tree-vectorizer.c: Update documentation and included files.
2619 (vect_loop_location): Make extern.
2620 (rename_use_op): Move to tree-vect-loop-manip.c
2621 (rename_variables_in_bb, rename_variables_in_loop,
2622 slpeel_update_phis_for_duplicate_loop,
2623 slpeel_update_phi_nodes_for_guard1,
2624 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2625 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2626 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2627 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2628 find_loop_location): Likewise.
2629 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2630 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2631 get_vectype_for_scalar_type, vect_is_simple_use,
2632 supportable_widening_operation, supportable_narrowing_operation):
2634 (bb_in_loop_p): Move to tree-vect-loop.c.
2635 (new_loop_vec_info, destroy_loop_vec_info,
2636 reduction_code_for_scalar_code, report_vect_op,
2637 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2638 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2639 (vect_supportable_dr_alignment): Likewise.
2640 * tree-vectorizer.h (tree-data-ref.h): Include.
2641 (vect_loop_location): Declare.
2642 Reorganize function declarations according to the new file structure.
2643 * tree-vect-loop.c: New file.
2644 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2645 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2646 * tree-vect-data-refs.c: New file.
2647 * tree-vect-patterns.c (timevar.h): Don't include.
2648 * tree-vect-stmts.c: New file.
2649 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2650 tree-vect-slp.c, tree-vect-loop.c.
2651 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2652 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2653 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2654 (tree-vect-analyze.o): Remove.
2655 (tree-vect-transform.o): Likewise.
2656 (tree-vect-data-refs.o): Add rule.
2657 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2658 tree-vect-slp.o): Likewise.
2659 (tree-vect-patterns.o): Remove redundant dependencies.
2660 (tree-vectorizer.o): Likewise.
2661 * tree-vect-slp.c: New file.
2663 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2665 * optc-gen.awk: Warn if an option flag has multiple different
2668 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2670 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2671 -floop-block): Document dependences on PPL, CLooG and Graphite.
2673 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2675 PR rtl-optimization/323
2676 * c-common.c (c_fully_fold, convert_and_check,
2677 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2678 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2679 * c-common.def (EXCESS_PRECISION_EXPR): New.
2680 * c-cppbuiltin.c (builtin_define_float_constants): Define
2681 constants with enough digits for long double.
2682 * c-lex.c (interpret_float): Interpret constant with excess
2683 precision where appropriate.
2684 * c-opts.c (c_common_post_options): Set
2685 flag_excess_precision_cmdline. Give an error for
2686 -fexcess-precision=standard for C++ for processors where the
2687 option is significant.
2688 * c-parser.c (c_parser_conditional_expression): Handle excess
2689 precision in condition.
2690 * c-typeck.c (convert_arguments): Handle arguments with excess
2692 (build_unary_op): Move excess precision outside operation.
2693 (build_conditional_expr): Likewise.
2694 (build_compound_expr): Likewise.
2695 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2696 (build_modify_expr): Handle excess precision in RHS.
2697 (convert_for_assignment): Handle excess precision in converted
2699 (digest_init, output_init_element, process_init_element): Handle
2700 excess precision in initializer.
2701 (c_finish_return): Handle excess precision in return value.
2702 (build_binary_op): Handle excess precision in operands and add
2703 excess precision as needed for operation.
2704 * common.opt (-fexcess-precision=): New option.
2705 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2706 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2707 For standard excess precision, output explicit conversion to and
2708 truncation from XFmode.
2709 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2710 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2711 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2712 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2713 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2714 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2715 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2716 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2717 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2718 define_splits, sqrt<mode>2): Disable where appropriate for
2719 standard excess precision.
2720 * convert.c (convert_to_real): Do not shorten arithmetic to type
2721 for which excess precision would be used.
2722 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2723 * doc/invoke.texi (-fexcess-precision=): Document option.
2724 (-mfpmath=): Correct index entry.
2725 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2726 flag_excess_precision): New.
2727 * langhooks.c (lhd_post_options): Set
2728 flag_excess_precision_cmdline.
2729 * opts.c (common_handle_option): Handle -fexcess-precision=.
2730 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2731 init_excess_precision): New.
2732 (lang_dependent_init_target): Call init_excess_precision.
2733 * tree.c (excess_precision_type): New.
2734 * tree.h (excess_precision_type): Declare.
2736 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2739 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2740 non-lvalue to component.
2742 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2744 PR preprocessor/34695
2745 * Makefile.in (c-opts.o): Depend on c-tree.h.
2746 * c-common.c: Move down include of diagnostic.h.
2747 (done_lexing, c_cpp_error): New.
2748 * c-common.h (done_lexing): Declare.
2749 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2751 * c-opts.c: Include c-tree.h.
2752 (c_common_init_options): Set preprocessor error callback.
2753 (c_common_handle_option): Do not set preprocessor
2754 inhibit_warnings, warnings_are_errors, warn_system_headers,
2755 pedantic_errors or inhibit_warnings flags.
2756 (c_common_post_options): Do not check cpp_errors (parse_in).
2757 (c_common_finish): Do not output dependencies if there were
2758 errors. Do not check return value of cpp_finish.
2759 * c-ppoutput.c (pp_file_change): Set input_location.
2760 * c-tree.h (c_cpp_error): Declare.
2761 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2763 (diagnostic_build_prefix): Check override_column.
2764 * diagnostic.h (diagnostic_info): Add override_column field.
2765 (diagnostic_override_column): Define.
2767 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2769 * c-common.c (c_expand_expr, c_staticp): Remove.
2770 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2771 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2772 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2773 * c-gimplify.c (gimplify_compound_literal_expr,
2774 optimize_compound_literals_in_ctor): Remove.
2775 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2776 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2777 * c-semantics.c (emit_local_var): Remove.
2779 * langhooks-def.h (lhd_expand_expr): Remove.
2780 * langhooks.c (lhd_expand_expr): Remove.
2781 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2783 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2784 handling from c-semantics.c; don't call into langhook.
2785 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2786 * gimplify.c (gimplify_compound_literal_expr,
2787 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2788 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2789 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2790 as was done in c-gimplify.c.
2791 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2792 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2793 Move from c-common.h.
2794 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2796 * tree.c (staticp): Do not call langhook.
2797 * langhooks.c (lhd_staticp): Delete.
2798 * langhooks-def.h (lhd_staticp): Delete prototype.
2799 (LANG_HOOKS_STATICP): Delete.
2800 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2802 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2803 instead of DECL_STMTs.
2805 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2813 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2815 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2816 contained expression.
2817 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2818 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2819 conditional expressions for C.
2820 (decl_constant_value_for_optimization): Move from
2821 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2822 whether optimizing and that the expression is a VAR_DECL not of
2823 array type instead of doing such checks in the caller. Do not
2824 check pedantic. Call gcc_unreachable for C++.
2825 * c-common.def (C_MAYBE_CONST_EXPR): New.
2826 * c-common.h (c_fully_fold, c_save_expr,
2827 decl_constant_value_for_optimization): New prototypes.
2828 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2829 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2830 EXPR_INT_CONST_OPERANDS): Define.
2831 * c-convert.c (convert): Strip nops from expression.
2832 * c-decl.c (groktypename): Take extra parameters expr and
2833 expr_const_operands. Update call to grokdeclarator.
2834 (start_decl): Update call to grokdeclarator. Add statement for
2835 expressions used in type of decl.
2836 (grokparm): Update call to grokdeclarator.
2837 (push_parm_decl): Update call to grokdeclarator.
2838 (build_compound_literal): Add parameter non_const and build a
2839 C_MAYBE_COSNT_EXPR if applicable.
2840 (grokdeclarator): Take extra parameters expr and
2841 expr_const_operands. Track expressions used in declaration
2842 specifiers and declarators. Fold array sizes and track whether
2843 they are constant expressions and whether they are integer
2844 constant expressions.
2845 (parser_xref_tag): Set expr and expr_const_operands fields in
2847 (grokfield): Update call to grokdeclarator.
2848 (start_function): Update call to grokdeclarator.
2849 (build_null_declspecs): Set expr and expr_const_operands fields in
2851 (declspecs_add_type): Handle expressions in typeof specifiers.
2852 * c-parser.c (c_parser_declspecs): Set expr and
2853 expr_const_operands fields for declaration specifiers.
2854 (c_parser_enum_specifier): Likewise.
2855 (c_parser_struct_or_union_specifier): Likewise.
2856 (c_parser_typeof_specifier): Likewise. Update call to
2857 groktypename. Fold expression as needed. Return expressions with
2858 type instead of adding statements.
2859 (c_parser_attributes): Update calls to c_parser_expr_list.
2860 (c_parser_statement_after_labels): Fold expression before passing
2861 to objc_build_throw_stmt.
2862 (c_parser_condition): Fold expression.
2863 (c_parser_asm_operands): Fold expression.
2864 (c_parser_conditional_expression): Use c_save_expr. Update call
2865 to build_conditional_expr.
2866 (c_parser_alignof_expression): Update call to groktypename.
2867 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2868 original_code. Fold expression argument of va_arg. Create
2869 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2870 argument to va_arg. Update calls to groktypename. Fold array
2871 index for offsetof. Verify that first argument to
2872 __builtin_choose_expr has integer type.
2873 (c_parser_postfix_expression_after_paren_type): Update calls to
2874 groktypename and build_compound_literal. Handle expressions with
2875 side effects in type name.
2876 (c_parser_postfix_expression_after_primary): Update call to
2877 c_parser_expr_list. Set original_code for calls to
2878 __builtin_constant_p.
2879 (c_parser_expr_list): Take extra parameter fold_p. Fold
2880 expressions if requested.
2881 (c_parser_objc_type_name): Update call to groktypename.
2882 (c_parser_objc_synchronized_statement): Fold expression.
2883 (c_parser_objc_receiver): Fold expression.
2884 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2885 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2886 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2887 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2888 (struct c_typespec): Add elements expr and expr_const_operands.
2889 (struct c_declspecs): Add elements expr and expr_const_operands.
2890 (groktypename, build_conditional_expr, build_compound_literal):
2892 (in_late_binary_op): Declare.
2893 * c-typeck.c (note_integer_operands): New function.
2894 (in_late_binary_op): New variable.
2895 (decl_constant_value_for_broken_optimization): Move to c-common.c
2896 and rename to decl_constant_value_for_optimization.
2897 (default_function_array_conversion): Do not strip nops.
2898 (default_conversion): Do not call
2899 decl_constant_value_for_broken_optimization.
2900 (build_array_ref): Do not fold result.
2901 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2902 result when operand is a VLA.
2903 (c_expr_sizeof_type): Update call to groktypename. Handle
2904 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2905 result when operand names a VLA type.
2906 (build_function_call): Update call to build_compound_literal.
2907 Only fold result for calls to __builtin_* functions. Strip
2908 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2909 the function designator.
2910 (convert_arguments): Fold arguments. Update call to
2911 convert_for_assignment.
2912 (build_unary_op): Handle increment and decrement of
2913 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2914 decrement earlier. Fold operand of increment and decrement.
2915 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2916 built for integer operand. Wrap returns that are INTEGER_CSTs
2917 without being integer constant expressions or that have integer
2918 constant operands without being INTEGER_CSTs.
2919 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2920 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2921 result is an integer constant expression or can be used in
2922 unevaluated parts of one and avoid folding and wrap as
2923 appropriate. Fold operands before possibly doing -Wsign-compare
2925 (build_compound_expr): Wrap result for C99 if operands can be used
2926 in integer constant expressions.
2927 (build_c_cast): Update call to digest_init. Do not ignore
2928 overflow from casting floating-point constants to integers. Wrap
2929 results that could be confused with integer constant expressions,
2930 null pointer constants or floating-point constants.
2931 (c_cast_expr): Update call to groktypename. Handle expressions
2932 included in type name.
2933 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2934 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2935 Update calls to convert_for_assignment.
2936 (convert_for_assignment): Take new parameter
2937 null_pointer_constant. Do not strip nops or call
2938 decl_constant_value_for_broken_optimization. Set
2939 in_late_binary_op for conversions to boolean.
2940 (store_init_value): Update call to digest_init.
2941 (digest_init): Take new parameter null_pointer_constant. Do not
2942 call decl_constant_value_for_broken_optimization. pedwarn for
2943 initializers not constant expressions. Update calls to
2944 convert_for_assignment.
2945 (constructor_nonconst): New.
2946 (struct constructor_stack): Add nonconst element.
2947 (really_start_incremental_init, push_init_level, pop_init_level):
2948 Handle constructor_nonconst and nonconst element.
2949 (set_init_index): Call constant_expression_warning for array
2951 (output_init_element): Fold value. Set constructor_nonconst as
2952 applicable. pedwarn for initializers not constant expressions.
2953 Update call to digest_init. Call constant_expression_warning
2954 where constant initializers are required.
2955 (process_init_element): Use c_save_expr.
2956 (c_finish_goto_ptr): Fold expression.
2957 (c_finish_return): Fold return value. Update call to
2958 convert_for_assignment.
2959 (c_start_case): Fold switch expression.
2960 (c_process_expr_stmt): Fold expression.
2961 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2962 ensure statement expression is not evaluated in constant expression.
2963 (build_binary_op): Track whether results are integer constant
2964 expressions or may occur in such, disable folding and wrap results
2965 as applicable. Fold operands for -Wsign-compare warnings unless
2967 (c_objc_common_truthvalue_conversion): Handle results folded to
2968 integer constants that are not integer constant expressions.
2969 * doc/extend.texi: Document when typeof operands are evaluated,
2970 that condition of __builtin_choose_expr is an integer constant
2971 expression, and more about use of __builtin_constant_p in
2974 2009-03-29 Richard Guenther <rguenther@suse.de>
2976 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2977 propagate addresses of array references.
2979 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2981 * regmove.c (perhaps_ends_bb_p): Remove.
2982 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2983 from INSN and check that the main loop stays within that basic block.
2984 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2985 (regmove_forward_pass): Split out from regmove_optimize. Use
2986 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2987 (regmove_backward_pass): Split out from regmove_optimize. Use
2988 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2989 (regmove_optimize): Simplify.
2991 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2994 * config/i386/i386.c (classify_argument): Ignore flexible array
2995 member in struct and warn ABI change.
2997 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2999 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3001 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3002 (ix86_adjust_cost): Updated.
3004 2009-03-29 Jan Hubicka <jh@suse.cz>
3007 * tree-pass.h (pass_cleanup_eh): New function.
3008 (remove_unreachable_regions): Break code handling RTL
3009 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3010 that can not be reached by runtime.
3011 (can_be_reached_by_runtime): New function.
3012 (label_to_region_map): New function.
3013 (num_eh_regions): New function.
3014 (rtl_remove_unreachable_regions): New function.
3015 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3016 (remove_eh_region): New function.
3017 * except.h: Include sbitmap and vecprim.
3018 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3019 num_eh_regions): Declare.
3020 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3021 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3022 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3023 (tree_empty_eh_handler_p): New function.
3024 (cleanup_empty_eh): New function.
3025 (cleanup_eh): New function.
3026 (pass_cleanup_eh): New function.
3028 2009-03-29 Jan Hubicka <jh@suse.cz>
3030 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3031 for removed regions.
3033 2009-03-29 Jan Hubicka <jh@suse.cz>
3035 * except.c (dump_eh_tree): Dump all datastructures.
3037 2009-03-29 Jan Hubicka <jh@suse.cz>
3039 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3040 (duplicate_eh_regions_1): Likewise.
3041 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3042 vector; call EH verification.
3043 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3044 Be ready for region being removed.
3046 2009-03-29 Jan Hubicka <jh@suse.cz>
3048 * bitmap.c (bitmap_last_set_bit): New function.
3049 * bitmap.h (bitmap_last_set_bit): Declare.
3051 2009-03-29 David Ayers <ayers@fsfe.org>
3054 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3055 by calling objc_compare_types and surpress warnings about
3056 incompatible C pointers that are compatible ObjC pointers.
3058 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3060 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3061 call initialize_inline_failed.
3062 (initialize_inline_failed): Move it from here ...
3063 * cgraph.c (initialize_inline_failed): ... to here.
3064 (cgraph_create_edge): Call initialize_inline_failed rather than
3065 setting inline_failed directly.
3067 2009-03-29 Ben Elliston <bje@au.ibm.com>
3070 * sysv4.opt (msdata): Improve comment.
3071 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3072 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3074 2009-03-29 Ben Elliston <bje@au.ibm.com>
3077 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3078 load and store attributes.
3080 2009-03-29 Ben Elliston <bje@au.ibm.com>
3082 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3083 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3084 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3085 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3086 __builtin_infq and __builtin_huge_valq.
3088 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3090 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3092 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3093 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3095 2009-03-28 Xinliang David Li <davidxl@google.com>
3097 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3098 (do_dbg_cnt): New function.
3100 2009-03-28 Jan Hubicka <jh@suse.cz>
3102 Merge from pretty-ipa:
3104 2009-03-27 Jan Hubicka <jh@suse.cz>
3106 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3107 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3108 * passes.c (function_called_by_processed_nodes_p): New.
3109 * ipa-pure-const.c (check_call): Fix handling of operands.
3110 (analyze_function): Dump debug output for skipped bodies.
3111 (local_pure_const): Use function_called_by_processed_nodes_p.
3112 * dwarf2out.c (reference_to_unused): Use output.
3113 * passes.c (do_per_function_toporder): Likewise.
3115 2008-11-12 Jan Hubicka <jh@suse.cz>
3117 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3118 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3119 state_set_in_source enum
3120 (check_decl): Ignore memory tags; do not set fake looping flags;
3122 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3123 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3124 (check_call, analyze_function): Rewrite.
3126 (add_new_function): Update call of analyze_function.
3127 (generate_summary): Add call of analyze_function.
3128 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3129 (local_pure_const): New function.
3130 (pass_local_pure_const): New pass.
3131 * ipa-inline.c (inline_transform): Set after_inlining.
3132 * tree-eh.c (stmt_can_throw_external): New.
3133 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3134 work with aliasing built.
3135 * tree-flow.h (stmt_can_throw_external): New.
3136 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3137 and local pure/const pass in early and late optimization queue.
3139 2009-03-28 Martin Jambor <mjambor@suse.cz>
3141 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3143 (fold_binary): Allow function decl aligment consideration is the
3144 second argument is integer constant one.
3145 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3146 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3147 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3149 2009-03-28 Jan Hubicka <jh@suse.cz>
3151 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3152 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3153 * function.h (rtl_data): Add nothrow flag.
3154 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3155 set DECL_NOTHROW for AVAILABLE functions.
3157 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3159 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3160 following vector keyword has expansion starting with pixel or bool
3161 keyword, expand vector to __vector and pixel or bool to __pixel or
3165 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3166 warn_if_disallowed_function_p): Removed.
3167 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3168 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3169 warning_if_disallowed_function_p.
3170 * flags.h (warn_if_disallowed_function_p,
3171 warn_disallowed_functions): Removed.
3172 * common.opt (Wdisallowed-function-list=): Removed.
3173 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3175 2009-03-28 Richard Guenther <rguenther@suse.de>
3177 PR tree-optimization/38723
3178 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3181 2009-03-28 Jan Hubicka <jh@suse.cz>
3183 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3184 test introduced by my previous patch.
3186 2009-03-28 Richard Guenther <rguenther@suse.de>
3188 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3189 the PHIs value undefined.
3191 2009-03-28 Jan Hubicka <jh@suse.cz>
3193 * tree-pass.h (pass_fixup_cfg): New pass.
3194 * ipa-inline.c (inline_transform): Set
3195 always_inline_functions_inlined/after_inlining.
3196 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3197 (pass_fixup_cfg): New pass.
3198 * passes.c (init_optimization_passes): Add fixup_cfg.
3200 2009-03-28 Richard Guenther <rguenther@suse.de>
3202 PR tree-optimization/38458
3203 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3204 argument use the arguments copy-of value.
3206 2009-03-28 Richard Guenther <rguenther@suse.de>
3208 PR tree-optimization/38180
3209 * tree-ssa-ccp.c (get_default_value): Simplify.
3210 (likely_value): Likewise.
3211 (surely_varying_stmt_p): Properly handle VOP case.
3212 (ccp_initialize): Likewise.
3213 (ccp_fold): Handle propagating through *&.
3214 (fold_const_aggregate_ref): Also handle decls.
3216 2009-03-28 Jan Hubicka <jh@suse.cz>
3218 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3219 * cgraph.h (cgraph_node): Likewise.
3220 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3221 (cgraph_reset_node): Use process flag.
3222 (cgraph_mark_functions_to_output): Likewise.
3223 (cgraph_expand_function): Likewise.
3224 (cgraph_expand_all_functions): Likewise.
3225 (cgraph_output_in_order): Likewise.
3226 * dwarf2out.c (reference_to_unused): Likewise.
3227 * passes.c do_per_function_toporder): Likewise.
3229 2009-03-28 Jan Hubicka <jh@suse.cz>
3231 Bring from lto-branch:
3233 2008-09-03 Doug Kwan <dougkwan@google.com>
3235 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3236 enums instead of reason strings.
3237 * cgraph.c (cgraph_create_edge): Same.
3238 (cgraph_inline_failed_string): New function.
3239 * cgraph.h (cgraph_inline_failed_t): New enum type.
3240 (cgraph_inline_failed_string): New prototype.
3241 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3242 char pointer to cgraph_inline_failed_t.
3243 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3244 (cgraph_default_inline_p): Ditto.
3245 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3246 to cgraph_inline_failed_t pointer.
3247 * cif-code.def: New file.
3248 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3250 (cgraph_check_inline_limits): Change type of REASON to pointer to
3251 cgraph_inline_failed_t. Replace reason strings with enums.
3252 (cgraph_default_inline_p): Ditto.
3253 (cgraph_recursive_inlining_p): Ditto.
3254 (update_caller_keys): Change type of FAILED_REASON to
3255 cgraph_inline_failed_t.
3256 (cgraph_set_inline_failed): Change type of REASON to pointer to
3257 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3258 convert enums to strings for text output.
3259 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3260 to be of type cgraph_inline_failed_t. Replace reason strings with
3261 enums. Call cgraph_inline_failed_string to covert enums
3262 to strings for text output.
3263 (cgraph_decide_inlining): Replace reason strings with enums.
3264 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3265 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3267 * tree-inline.c (expand_call_inline): Change type of REASON
3268 to cgraph_inline_failed_t. Replace reason strings with enums.
3269 Call cgraph_inline_failed_string for text output.
3270 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3273 2009-03-28 Jan Hubicka <jh@suse.cz>
3275 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3276 cgraph_clone_node): Remove master clone handling.
3277 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3278 * cgraph.h (master_clone): Remove.
3279 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3280 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3281 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3283 2009-03-28 Jan Hubicka <jh@suse.cz>
3285 * cgraph.c (cgraph_function_body_availability): Functions declared
3286 inline are always safe to assume that it is not going to be replaced.
3288 2009-03-28 Richard Guenther <rguenther@suse.de>
3290 PR tree-optimization/38513
3291 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3292 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3293 EXC_PTR_EXPR and FILTER_EXPR.
3294 (get_ref_from_reference_ops): Likewise.
3296 2009-03-28 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/38968
3299 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3300 Use FLOOR_MOD_EXPR to compute misalignment.
3302 2009-03-28 Richard Guenther <rguenther@suse.de>
3304 PR tree-optimization/37795
3305 * tree.h (combine_comparisons): Declare.
3306 * fold-const.c (combine_comparisons): Export.
3307 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3309 (ifcombine_iforif): Use combine_comparisons.
3311 2009-03-28 Jan Hubicka <jh@suse.cz>
3313 * tree-eh.c (inlinable_call_p): New function.
3314 (make_eh_edges): Use it.
3315 (verify_eh_edges): Use it.
3316 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3317 * except.c (reachable_next_level): Add inlinable_function argument
3318 (sjlj_find_directly_reachable_regions): Update.
3319 (add_reachable_handler): Do not set saw_any_handlers.
3320 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3321 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3322 Add new inlinable call parameter.
3323 (can_throw_internal, can_throw_external): Update.
3324 * except.h (can_throw_internal_1, can_throw_external_1,
3325 foreach_reachable_handler): Update declaration.
3327 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3329 * config/arm/t-arm-coff, config/h8300/coff.h,
3330 config/i386/i386-aout.h, config/i386/i386-coff.h,
3331 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3332 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3333 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3334 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3335 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3336 sys-types.h: Remove.
3337 * Makefile.in: Remove protoize and fixproto support and references
3339 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3340 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3342 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3343 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3344 unprotoize$(exeext).
3345 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3346 (.PHONY): Don't depend on proto.
3347 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3348 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3349 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3350 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3351 build/gen-protos.o, build/scan.o, xsys-protos.h,
3352 build/fix-header$(build_exeext), build/fix-header.o,
3353 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3354 stmp-install-fixproto): Remove.
3355 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3356 SYSCALLS.c or fixproto files.
3357 (install-common): Don't install protoize.
3358 (install-headers-tar, install-headers-cpio, install-headers-cp):
3359 Don't depend on $(STMP_FIXPROTO).
3360 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3361 install fixproto files or write out fixproto settings.
3362 (uninstall): Don't uninstall protoize.
3363 * config.gcc (use_fixproto): Remove.
3364 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3365 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3366 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3367 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3368 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3369 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3370 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3371 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3372 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3373 * config/t-vxworks (STMP_FIXPROTO): Remove.
3374 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3375 STMP_FIXPROTO): Remove.
3376 * config.in, configure: Regenerate.
3377 * crtstuff.c (gid_t, uid_t): Don't undefine.
3378 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3379 (arm-*-coff, arm-*-aout: Remove target entries.
3380 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3381 Remove mention of AIX 4.1.
3382 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3383 * doc/invoke.texi (Running Protoize): Remove.
3384 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3385 (Protoize Caveats): Remove.
3386 * tsystem.h: Update comments on headers assumed to exist.
3388 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3390 * genautomata.c: Add a new year to the copyright. Add a new
3392 (struct insn_reserv_decl): Add comments for member bypass_list.
3393 (find_bypass): Remove.
3394 (insert_bypass): New.
3395 (process_decls): Use insert_bypass.
3396 (output_internal_insn_latency_func): Output all bypasses with the
3397 same input insn in one switch case.
3399 * rtl.def (define_bypass): Describe bypass choice.
3400 * doc/md.texi (define_bypass): Ditto.
3402 2009-03-27 Richard Guenther <rguenther@suse.de>
3404 * gimplify.c (mark_addressable): Export.
3405 * tree-flow.h (mark_addressable): Declare.
3406 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3407 * tree-ssa.c (verify_phi_args): Verify that address taken
3408 variables have TREE_ADDRESSABLE set.
3410 2009-03-27 Richard Guenther <rguenther@suse.de>
3412 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3413 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3414 Do not mark decls TREE_ADDRESSABLE.
3415 (build_fold_addr_expr): Adjust.
3416 (fold_addr_expr): Remove.
3417 (fold_unary): Use build_fold_addr_expr.
3418 (fold_comparison): Likewise.
3419 (split_address_to_core_and_offset): Likewise.
3420 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3422 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3423 (gimplify_modify_expr_to_memcpy): Mark source and destination
3425 * omp-low.c (create_omp_child_function): Mark the object decl
3427 (lower_rec_input_clauses): Mark the var we take the address of
3429 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3431 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3434 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3435 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3437 2009-03-27 Richard Guenther <rguenther@suse.de>
3439 PR tree-optimization/39120
3440 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3442 (handle_lhs_call): Process return constraints. Add escape
3443 constraints if necessary.
3444 (handle_const_call): Fill out return constraints. Make nested
3445 case more precise. Avoid consttmp if possible.
3446 (handle_pure_call): Fill out return constraints. Avoid
3447 callused if possible.
3448 (find_func_aliases): Simplify call handling.
3450 2009-03-27 Richard Guenther <rguenther@suse.de>
3452 PR tree-optimization/39120
3453 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3454 as a representative.
3455 (solve_graph): Do propagate CALLUSED.
3456 (handle_pure_call): Use a scalar constraint from CALLUSED for
3458 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3461 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3464 * c-common.c (handle_aligned_attribute): Properly check alignment
3465 overflow. Use (1U << i) instead of (1 << i).
3467 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3469 * expr.h (get_mem_align_offset): Updated.
3471 * tree.h (tree_decl_common): Change align to "unsigned int" and
3472 move it before pointer_alias_set.
3474 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3475 Jakub Jelinek <jakub@redhat.com>
3478 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3479 gr_register_operand with gr_reg_or_0_operand.
3480 (cmpxchg_rel_di): Likewise.
3481 (sync_lock_test_and_set<mode>): Likewise.
3483 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3485 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3486 (true_regnum): Likewise.
3488 * rtlanal.c (subreg_info): Moved to ...
3489 * rtl.h (subreg_info): Here. New.
3490 (subreg_get_info): New.
3492 * rtlanal.c (subreg_get_info): Make it extern.
3494 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3497 * config/i386/i386.c (ix86_abi): New.
3498 (override_options): Handle -mabi=.
3499 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3500 (ix86_call_abi_override): Likewise.
3501 (init_cumulative_args): Likewise.
3502 (function_arg_advance): Likewise.
3503 (function_arg_64): Likewise.
3504 (function_arg): Likewise.
3505 (ix86_pass_by_reference): Likewise.
3506 (ix86_function_value_regno_p): Likewise.
3507 (ix86_build_builtin_va_list_abi): Likewise.
3508 (setup_incoming_varargs_64): Likewise.
3509 (is_va_list_char_pointer): Likewise.
3510 (ix86_init_machine_status): Likewise.
3511 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3512 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3513 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3514 (ix86_function_abi): Make it static and return enum calling_abi.
3515 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3517 (ix86_fn_abi_va_list): Updated.
3519 * config/i386/i386.h (ix86_abi): New.
3520 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3521 (CONDITIONAL_REGISTER_USAGE): Likewise.
3522 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3523 (machine_function): Likewise.
3525 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3527 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3528 (STACK_BOUNDARY): Likewise.
3529 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3531 * config/i386/i386.opt (mabi=): New.
3533 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3534 return enum calling_abi.
3535 (ix86_function_type_abi): Likewise.
3536 (ix86_function_abi): Removed.
3538 * doc/invoke.texi: Document -mabi= option for x86.
3540 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3542 * builtins.c (real_dconstp): Delete.
3543 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3545 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3546 Jakub Jelinek <jakub@redhat.com>
3549 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3550 (gen_subprogram_die): When a function is explicit, generate the
3551 DW_AT_explicit attribute.
3552 * langhooks.h (struct lang_hooks_for_decls): Add
3553 function_decl_explicit_p langhook.
3554 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3555 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3557 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3559 * builtins.c (fold_builtin_memory_op): Optimize memmove
3560 into memcpy if we can prove source and destination don't overlap.
3562 * tree-inline.c: Include gt-tree-inline.h.
3563 (clone_fn_id_num): New variable.
3564 (clone_function_name): New function.
3565 (tree_function_versioning): Use it.
3566 * Makefile.in (GTFILES): Add tree-inline.c.
3568 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3570 * BASE-VER: Change to 4.5.0.
3572 2009-03-27 Xinliang David Li <davidxl@google.com>
3574 PR tree-optimization/39557
3575 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3577 2009-03-27 Xinliang David Li <davidxl@google.com>
3579 PR tree-optimization/39548
3580 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3583 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3585 * c-common.c (pointer_int_sum): Use %wd on return from
3588 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3590 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3591 on return from tree_low_cst.
3593 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3596 * ginclude/stdarg.h (va_copy): Define also for
3597 __GXX_EXPERIMENTAL_CXX0X__.
3599 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3602 * builtins.h (c_strlen): Do not warn here.
3603 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3604 * c-common.c (pointer_int_sum): Take an explicit location.
3605 Warn about offsets out of bounds.
3606 * c-common.h (pointer_int_sum): Adjust declaration.
3608 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3610 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3613 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3616 * opts.c (warn_if_disallowed_function_p): Don't assume
3617 get_callee_fndecl must return non-NULL.
3619 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3621 PR rtl-optimization/39522
3622 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3623 when reg_reloaded_valid is set.
3625 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3627 * config/spu/divv2df3.c: New file.
3628 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3629 (DPBIT_FUNCS): Filter out _div_df.
3631 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3633 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3634 a jump insn, count that jump in the distance to the loop start.
3636 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3639 * config/sh/sh.c (calc_live_regs): Fix condition for global
3640 registers except PIC_OFFSET_TABLE_REGNUM.
3642 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3645 * doc/invoke.texi (-mconsole): New.
3649 (-mnop-fun-dllimport): New.
3653 (sub section "i386 and x86-64 Windows Options"): New.
3655 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3657 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3658 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3660 2009-03-25 Richard Guenther <rguenther@suse.de>
3663 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3666 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3668 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3669 neither of haifa/selective schedulers are working.
3671 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3673 * doc/invoke.texi (Debugging Options): Fix description of
3674 -fno-merge-debug-strings.
3676 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3678 * config/cris/libgcc.ver: New version-script.
3679 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3681 * configure.ac <GAS features, nop mnemonic>: Add pattern
3682 crisv32-*-* for "nop".
3683 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3684 * configure: Regenerate.
3686 2009-03-24 Ira Rosen <irar@il.ibm.com>
3688 PR tree-optimization/39529
3689 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3690 mark_sym_for_renaming for the tag copied to the new vector
3693 2009-03-24 Arthur Loiret <aloiret@debian.org>
3695 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3696 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3697 EXTRA_SPEC_FUNCTIONS.
3698 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3699 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3700 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3701 -march and -mtune options.
3703 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3705 * config/m68k/t-rtems: Add m5329 multilib.
3707 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3708 Jakub Jelinek <jakub@redhat.com>
3711 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3714 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3717 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3718 instead of c_parser_expression_conv, if original_code isn't one of the
3719 4 allowed comparison codes, fail.
3721 2009-03-23 Richard Guenther <rguenther@suse.de>
3723 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3724 * tree.h (struct tree_type): Likewise.
3725 * reload.h (struct insn_chain): Likewise.
3726 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3727 * function.h (struct function): Likewise.
3728 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3730 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3732 PR tree-optimization/39516
3733 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3735 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3737 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3738 should be set true if BITS_PER_WORD of target is bigger than 32
3740 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3742 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3743 Translate -B-options to -rpath-link. Correct existing
3744 rpath-link and conditionalize on !nostdlib.
3746 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3748 * doc/extend.texi (Function Attributes, Variable Attributes):
3750 * doc/invoke.texi (Debugging Options, Optimize Options)
3751 (i386 and x86-64 Options, MCore Options): Likewise.
3753 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3756 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3757 it for block local namespace aliases.
3758 (gen_decl_die): Pass context_die to gen_namespace_die.
3760 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3763 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3764 minimum or maximum value.
3766 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3768 * reginfo.c (globalize_reg): Recompute derived reg sets.
3770 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3773 * libgcc2.c (mprotect): Do not use signed arguments for
3774 VirtualProtect, use DWORD arguments. Also fix the 'may
3775 be used uninitialized' warning for the np variable.
3777 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3780 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3781 functions using regparm calling conventions when not optimizing.
3782 (ix86_function_sseregparm): Similarly for sseregparm calling
3785 2009-03-19 Li Feng <nemokingdom@gmail.com>
3788 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3789 dependence if the first conflict is after niter iterations.
3791 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3794 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3795 functions with dynamic stack-pointer adjustments.
3797 2009-03-19 Ben Elliston <bje@au.ibm.com>
3799 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3800 option; change to -msdata=data.
3802 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3804 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3807 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3810 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3812 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3814 * doc/invoke.texi (Code Gen Options): Expand discussion of
3817 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3819 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3820 * matrix-reorg.c (struct matrix_info): Likewise.
3821 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3822 * rtl.h (struct mem_attrs): Likewise.
3823 * df.h (struct df): Likewise.
3824 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3825 * ira-int.h (struct ira_allocno): Likewise.
3826 * df-scan.c (struct df_collection_rec): Likewise.
3827 * ira.c (struct equivalence): Likewise.
3828 * function.c (struct temp_slot): Likewise.
3829 * cfgloop.h (struct loop): Likewise.
3832 * function.c (use_register_for_decl): When not optimizing, disregard
3833 register keyword for variables with types containing methods.
3835 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3838 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3839 (is_simple_operand): Call contains_component_ref_p before calling data
3840 reference analysis that would fail on COMPONENT_REFs.
3842 * tree-vrp.c (search_for_addr_array): Fix formatting.
3844 2009-03-18 Richard Guenther <rguenther@suse.de>
3846 * tree-vect-transform.c (vect_loop_versioning): Fold the
3847 generated comparisons.
3848 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3849 (slpeel_tree_peel_loop_to_edge): Likewise.
3851 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3854 * opts.c (print_specific_help): In addition to `undocumented',
3855 accept `separate' and `joined' flags if passed alone. Describe
3856 output by the first matched one of those.
3857 (common_handle_option): Skip over empty strings.
3858 * gcc.c (display_help): Fix help string for `--help='.
3859 * doc/invoke.texi (Option Summary, Overall Options): With
3860 `--help=', classes and qualifiers can both be repeated, but
3861 only the latter can be negated. One should not pass only
3862 negated qualifiers. Fix markup and examples.
3865 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3867 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3868 and -fhelp=separate.
3870 2009-03-17 Jing Yu <jingyu@google.com>
3873 * function.h (struct rtl_data): Move is_thunk from here...
3874 (struct function): ...to here.
3875 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3876 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3878 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3880 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3881 (alpha_output_function_end_prologue): Likewise.
3882 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3883 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3884 (rs6000_output_function_epilogue): Likewise.
3885 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3887 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3890 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3891 from different units in a single alternative.
3892 (*truncdfsf_i387): Ditto.
3893 (*truncxfsf2_mixed): Ditto.
3894 (*truncxfdf2_mixed): Ditto.
3896 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3898 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3899 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3902 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3903 unused non-artificial variables when not optimizing.
3906 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3907 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3908 NAMESPACE_DECL in its DECL_INITIAL.
3911 * optabs.c (set_user_assembler_libfunc): New function.
3912 * expr.h (set_user_assembler_libfunc): New prototype.
3913 * c-common.c: Include libfuncs.h.
3914 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3915 for memcmp, memset, memcpy, memmove and abort.
3916 * Makefile.in (c-common.o): Depend on libfuncs.h.
3919 * dwarf2out.c (gen_inlined_enumeration_type_die,
3920 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3921 gen_tagged_type_instantiation_die): Removed.
3922 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3925 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3928 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3930 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3931 (check-parallel-%): Ditto.
3932 (check-consistency): Ditto.
3934 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3936 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3937 local variable rhs by NULL_TREE.
3939 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3942 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3944 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3947 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3949 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3952 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3953 for ms->sysv ABI calls only in 64bit mode.
3955 * config/i386/i386.md (untyped_call): Support 32bit.
3957 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3959 * doc/extend.texi: Replace x86_65 with x86_64.
3961 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3963 PR tree-optimization/39455
3964 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3965 mismatches for POINTER_TYPE_P (type).
3966 (number_of_iterations_le): Likewise.
3968 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3970 * config/picochip/picochip.c: Removed profiling support.
3971 * config/picochip/picochip.md: Removed profiling instruction.
3972 * config/picochip/picochip.h: Removed profiling builtin.
3974 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3976 * doc/install.texi (--with-host-libstdcxx): Document.
3978 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3981 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3982 generate a warning if the function name does not begin with
3983 "__vector" and the function has either the 'signal' or 'interrupt'
3984 attribute, from here to ...
3985 (avr_declare_function_name): ...here. New function.
3986 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3987 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3989 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3992 * cse.c (fold_rtx): Don't modify original const_arg1 when
3993 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3994 separate variable instead.
3995 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3996 from out of range shift counts.
3997 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3999 2008-03-13 Catherine Moore <clm@codesourcery.com>
4001 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4002 diagnostic.h with $(DIAGNOSTIC_H).
4004 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4007 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4009 * config/i386/sync.md (sync_compare_and_swap<mode>,
4010 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4011 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4013 (sync_double_compare_and_swapdi_pic,
4014 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4015 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4017 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4020 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4022 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4025 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4026 (avx_addsubv4df3): Likewise.
4027 (*avx_addsubv4sf3): Likewise.
4028 (sse3_addsubv4sf3): Likewise.
4030 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4033 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4035 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4038 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4039 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4040 registers for allocnos created from user-defined variables.
4042 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4045 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4046 of non-integer mode as well.
4048 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4050 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4051 for functions for which the parameter types are unknown.
4053 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4056 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4057 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4058 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4059 * config/i386/i386.c (ix86_local_alignment): For
4060 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4061 long long variables on the stack to avoid dynamic realignment.
4062 Allow the first argument to be a decl rather than type.
4063 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4065 2009-03-11 Nick Clifton <nickc@redhat.com>
4068 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4070 Add description to mno-lsim option.
4071 * config/mcore/mcore.h: Remove comment about deprecated m4align
4073 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4074 * doc/invoke.texi: Add description of mno-lsim and
4075 mstack-increment options.
4077 * config/fr30/fr30.opt: Document the -mno-lsim option.
4078 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4079 and -mno-lsim options.
4081 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4083 * fold-const.c (fold_comparison): Only call fold_inf_compare
4084 if the mode supports infinities.
4086 2009-03-11 Jason Merrill <jason@redhat.com>
4089 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4090 end already did. Notice GIMPLE_CALL modifications of the result.
4091 Don't copy debug information from an ignored decl or a decl from
4094 2009-03-10 Richard Guenther <rguenther@suse.de>
4095 Nathan Froyd <froydnj@codesourcery.com>
4098 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4099 (__divMODE3): Likewise.
4101 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4103 PR tree-optimization/39394
4104 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4105 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4107 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4109 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4110 inline asms for register asm ("") declarations.
4112 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4114 * fold-const.c (fold_unary): Fix comment.
4116 2009-03-07 Jan Hubicka <jh@suse.cz>
4119 * tree-inline.c (setup_one_parameter): Do replacement of const
4120 argument by constant in SSA form.
4122 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4125 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4126 determine alignment passed to assign_stack_local.
4127 (assign_parms_unsplit_complex): Likewise.
4128 * except.c (sjlj_build_landing_pads): Likewise.
4130 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4133 * tree-flow.h (add_referenced_var): Return bool instead of void.
4134 * tree-dfa.c (add_referenced_var): Return result of
4135 referenced_var_check_and_insert call.
4136 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4137 of referenced_var_check_and_insert.
4140 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4141 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4142 DIE, don't emit it if abstract origin already has it.
4143 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4144 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4146 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4148 * genpreds.c (needs_variable): Fix parentheses at variable name
4150 (write_tm_constrs_h): Indent generated code.
4152 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4154 * doc/extend.texi (Function Attributes): Add documentation
4157 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4160 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4161 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4163 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4165 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4168 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4171 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4172 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4174 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4176 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4177 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4178 constants instead of magic numbers.
4179 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4181 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4182 (x86_64_ms_abi_int_parameter_registers): Ditto.
4183 (x86_64_int_return_registers): Ditto.
4184 (ix86_maybe_switch_abi): Ditto.
4185 (ix86_expand_call): Ditto for clobbered_registers array.
4186 (ix86_hard_regno_mode_ok): Ditto.
4187 (x86_extended_QIreg_mentioned_p): Ditto.
4189 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4191 PR tree-optimization/39349
4192 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4194 * combine.c (gen_lowpart_for_combine): Use omode when generating
4197 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4199 PR rtl-optimization/39235
4200 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4202 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4204 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4206 2009-03-04 Richard Guenther <rguenther@suse.de>
4208 PR tree-optimization/39362
4209 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4210 that occur in abnormal PHIs should be varying.
4212 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4214 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4216 (simple_iv): Take loop as an argument instead of statement.
4217 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4218 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4220 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4222 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4223 * matrix-reorg.c (analyze_transpose): Ditto.
4224 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4225 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4226 * tree-predcom.c (ref_at_iteration): Ditto.
4227 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4229 2009-03-04 Richard Guenther <rguenther@suse.de>
4231 PR tree-optimization/39358
4232 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4233 escaped_id and callused_id.
4234 (solve_graph): Likewise.
4236 2009-03-04 Richard Guenther <rguenther@suse.de>
4238 PR tree-optimization/39339
4239 * tree-sra.c (try_instantiate_multiple_fields): Make it
4240 no longer ICE on the above.
4242 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4244 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4245 that fits within Pmode.
4247 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4250 * tm.texi (LIBCALL_VALUE): Update description.
4252 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4255 * doc/extend.texi (section): Update description.
4257 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4260 * tree-inline.c (remapped_type): New.
4261 (can_be_nonlocal): Call remapped_type instead of remap_type.
4263 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4266 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4267 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4269 2009-03-03 Richard Guenther <rguenther@suse.de>
4272 * tree.c (tree_nonartificial_location): New function.
4273 * tree.h (tree_nonartificial_location): Declare.
4274 * builtins.c (expand_builtin_memory_chk): Provide location
4275 of the call location for artificial function pieces.
4276 (maybe_emit_chk_warning): Likewise.
4277 (maybe_emit_sprintf_chk_warning): Likewise.
4278 (maybe_emit_free_warning): Likewise.
4279 * expr.c (expand_expr_real_1): Likewise.
4281 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4283 PR tree-optimization/39343
4284 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4285 COMPONENT_REF t has ARRAY_TYPE.
4287 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4290 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4291 when the type precision of the induction variable should be
4292 larger than the type precision of nit.
4293 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4294 * graphite.c (graphite_loop_normal_form): Same.
4295 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4297 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4299 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4300 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4301 numbers to describe clobbered registers.
4302 (*call_value_0_rex64_ms_sysv): Ditto.
4303 * config/i386/mmx.md (mmx_emms): Ditto.
4306 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4308 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4311 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4313 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4314 (spu_section_type_flags): New function.
4316 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4318 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4319 reg_class_contents of FLOAT_REGS into a temporary.
4321 2009-03-02 Richard Guenther <rguenther@suse.de>
4322 Ira Rosen <irar@il.ibm.com>
4324 PR tree-optimization/39318
4325 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4326 information to the vectorized statement.
4328 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4330 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4331 variable. Use defined names instead of magic constants for REX SSE
4334 2009-03-01 Richard Guenther <rguenther@suse.de>
4336 PR tree-optimization/39331
4337 * omp-low.c (lower_send_shared_vars): Do not receive new
4338 values for the reference of DECL_BY_REFERENCE parms or results.
4340 2009-03-01 Jan Hubicka <jh@suse.cz>
4343 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4344 BLOCK_NONLOCALIZED_VAR): New macros.
4345 (tree_block): Add nonlocalized_vars.
4346 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4347 gen_decl_die): Add origin argument. Allow generation of die with
4348 origin at hand only.
4349 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4350 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4352 (gen_block_die): Fix checking for unused blocks.
4353 (process_scope_var): Break out from .... ; work with origins only.
4354 (decls_for_scope) ... here; process nonlocalized list.
4355 (dwarf2out_ignore_block): Look for nonlocalized vars.
4356 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4358 (dump_scope_block): Dump them.
4359 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4360 (remap_block): Likewise.
4361 (can_be_nonlocal): New predicate.
4362 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4364 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4366 * configure: Regenerate.
4368 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4370 * optc-gen.awk: No need to duplicate option flags twice.
4371 Reuse help texts for duplicate options which do not have any.
4373 * gcc.c (display_help): Document --version.
4375 * gcc.c (main): If print_help_list and verbose_flag, ensure
4376 driver output comes before subprocess output.
4378 * optc-gen.awk: Assign all remaining fields to help string,
4379 space-separated, for multi-line help in *.opt.
4381 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4382 -Wno-pedantic-ms-format is for MinGW targets only.
4384 * doc/options.texi (Option file format): Fix bad indentation,
4385 restoring dropped sentence.
4387 2009-02-28 Jan Hubicka <jh@suse.cz>
4389 * tree-inline.c (tree_function_versioning): Output debug info.
4391 2009-02-28 Jan Hubicka <jh@suse.cz>
4394 * tree-inline.c (setup_one_parameter): Do not copy propagate
4395 arguments when not optimizing.
4397 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4400 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4401 (avx_addsubv4df3): Likewise.
4402 (*avx_addsubv4sf3): Likewise.
4403 (sse3_addsubv4sf3): Likewise.
4404 (*avx_addsubv2df3): Likewise.
4405 (sse3_addsubv2df3): Likewise.
4406 (avx_unpckhps256): Correct item selectors.
4407 (avx_unpcklps256): Likewise.
4408 (avx_unpckhpd256): Likewise.
4409 (avx_unpcklpd256): Likewise.
4411 2009-02-28 Jan Hubicka <jh@suse.cz>
4413 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4415 (copy_arguments_for_versioning): If var is declared don't declare it.
4416 (tree_function_versioning): First setup substitutions and then copy
4419 2009-02-27 Jan Hubicka <jh@suse.cz>
4422 * cgraph.h (varpool_output_debug_info): Remove.
4423 * cgraphunit.c (varpool_output_debug_info): Remove.
4424 * dwarf2out.c (deferred_locations_struct): New struct
4425 (deferred_locations): New type.
4426 (deferred_locations_list): New static var.
4427 (deffer_location): New function.
4428 (gen_variable_die): Use it.
4429 (decls_for_scope): Output info on local static vars.
4430 (dwarf2out_finish): Process deferred locations.
4431 * varpool.c (varpool_output_debug_info): Remove.
4433 2009-02-27 Jan Hubicka <jh@suse.cz>
4436 * tree.h (TREE_PROTECTED): Fix comment.
4437 (BLOCK_HANDLER_BLOCK): Remove.
4438 (struct tree_block): Remove handler_block add body_block.
4439 (inlined_function_outer_scope_p): New.
4440 (is_body_block): Remove.
4441 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4442 * dwarf2out.c (is_inlined_entry_point): Remove.
4443 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4444 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4446 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4447 * gimplify.c (gimplify_expr): Gimplify body blocks.
4448 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4449 block with multiple subblocks.
4450 (dump_scope_block): Prettier output; dump more flags and info.
4451 (dump_scope_blocks): New.
4452 (remove_unused_locals): Use dump_scope_blocks.
4453 * tree-flow.h (dump_scope_blocks): Declare.
4454 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4455 * stmt.c (is_body_block): Remove.
4456 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4457 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4459 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4462 * graphite.c (graphite_loop_normal_form): Do not call
4463 number_of_iterations_exit from a gcc_assert.
4465 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4467 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4468 jumps if COND is NULL.
4469 (find_cond_jump): New function.
4470 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4471 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4473 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4475 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4476 force_const_mem returns NULL_RTX.
4478 2009-02-26 Jan Hubicka <jh@suse.cz>
4481 * cgraph.h (varpool_output_debug_info): Remove.
4482 * cgraphunit.c (varpool_output_debug_info): Remove.
4483 * dwarf2out.c (deferred_locations_struct): New struct
4484 (deferred_locations): New type.
4485 (deferred_locations_list): New static var.
4486 (deffer_location): New function.
4487 (gen_variable_die): Use it.
4488 (decls_for_scope): Output info on local static vars.
4489 (dwarf2out_finish): Process deferred locations.
4490 * varpool.c (varpool_output_debug_info): Remove.
4492 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4494 PR rtl-optimization/39241
4495 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4496 to subreg_offset_representable_p.
4498 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4500 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4501 execute function prototype. Get f and nregs from max_reg_num
4502 and get_insns. Remove the first backward pass as it's dead,
4503 guard the forward pass by flag_expensive_optimizations.
4504 (rest_of_handle_regmove): Delete.
4505 (pass_regmove): Replace it with regmove_optimize.
4507 2009-02-25 Martin Jambor <mjambor@suse.cz>
4509 PR tree-optimization/39259
4510 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4511 calls_alloca function flags.
4512 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4515 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4517 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4518 flags_set_1_rtx, flags_set_1_set): Delete.
4519 (regmove_optimize): Do not call mark_flags_life_zones.
4521 2009-02-24 Julian Brown <julian@codesourcery.com>
4524 * config/arm/arm.c (require_pic_register): Only set
4525 cfun->machine->pic_reg once per function.
4527 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4529 * doc/invoke.texi (Link Options): Document an easier way to pass
4530 options that take arguments to the GNU linker using -Xlinker and -Wl.
4532 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4535 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4537 2009-02-24 Richard Guenther <rguenther@suse.de>
4540 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4542 2009-02-24 Richard Guenther <rguenther@suse.de>
4543 Zdenek Dvorak <ook@ucw.cz>
4545 PR tree-optimization/39233
4546 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4547 from converting them to a generic type.
4549 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4551 PR tree-optimization/39260
4552 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4553 contains a condition with a real type.
4554 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4556 2009-02-23 Jason Merrill <jason@redhat.com>
4559 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4560 narrowing_initializer_constant_valid_p.
4561 (narrowing_initializer_constant_valid_p): Don't return
4562 null_pointer_node for adding a pointer to itself.
4564 2009-02-23 Jan Hubicka <jh@suse.cz>
4567 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4570 2009-02-23 Jan Hubicka <jh@suse.cz>
4572 PR tree-optimization/37709
4573 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4574 * tree.h (block_ultimate_origin): Declare.
4575 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4576 * tree-ssa-live.c (remove_unused_scope_block_p):
4577 Eliminate blocks containig no instructions nor live variables nor
4579 (dump_scope_block): New function.
4580 (remove_unused_locals): Enable removal of dead blocks by default;
4581 enable dumping at TDF_DETAILS.
4583 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4585 * config/i386/i386.c (classify_argument): Don't allow COImode
4587 (function_arg_advance_32): Don't allow OImode.
4588 (function_arg_32): Likewise.
4589 (function_value_32): Likewise.
4590 (return_in_memory_32): Likewise.
4591 (function_arg_64): Remove OImode comment.
4593 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4596 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4597 ix86_expand_vector_set for V4DImode in 64bit mode only.
4598 (ix86_expand_vector_init_one_var): Likewise.
4600 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4602 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4604 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4607 * loop-iv.c: Revert last change.
4608 * emit-rtl.c: Likewise.
4610 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4613 * config/i386/i386.c (type_natural_mode): Remove an extra
4614 space in the warning message.
4615 (function_value_32): Handle 32-byte vector modes.
4616 (return_in_memory_32): Likewise.
4618 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4620 * loop-iv.c (truncate_value): New function.
4621 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4623 (lowpart_subreg): Move to...
4624 * emit-rtl.c: ...here.
4626 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4628 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4629 accidental and undocumented change at revision 140860.
4631 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4633 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4634 take gimple_seq * arguments.
4635 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4636 types_compatible_p langhook.
4638 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4639 Joseph Myers <joseph@codesourcery.com>
4641 * config/arm/arm.c (arm_builtin_va_list): New function.
4642 (arm_expand_builtin_va_start): Likewise.
4643 (arm_gimplify_va_arg_expr): Likewise.
4644 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4645 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4646 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4647 (va_list_type): New variable.
4648 (arm_mangle_type): Mangle va_list_type appropriately.
4650 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4653 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4654 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4655 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4656 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4657 parameter to 1000 for -O1 by default.
4658 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4660 * loop-invariant.c: Include params.h.
4661 (move_loop_invariants): Don't call move_single_loop_invariants on
4664 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4666 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4667 offset when calculating bounds for indexing stack_usage_map. Fixes
4668 a buffer overflow with certain target setups.
4670 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4673 * calls.c (expand_call): Clear try_tail_call if caller and callee
4674 disagree in promotion of function return value.
4676 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4679 * c-common.c (c_determine_visibility): If visibility changed and
4680 DECL_RTL has been already set, call make_decl_rtl to update symbol
4683 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4686 * varasm.c (assemble_variable): Don't check DECL_NAME when
4687 globalizing a variable.
4689 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4692 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4693 expression before any __builtin_trap call.
4694 * c-typeck.c (build_function_call): Convert and check function
4695 arguments before generating a call to a trap. Evaluate the
4696 function arguments before the trap.
4698 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4701 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4702 (UNSPEC_FXAM_MEM): New unspec.
4703 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4704 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4705 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4707 2009-02-19 Richard Guenther <rguenther@suse.de>
4709 PR tree-optimization/39207
4710 PR tree-optimization/39074
4711 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4712 storedanything_tree): New.
4713 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4714 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4715 (build_succ_graph): Add edges from STOREDANYTHING to all
4717 (init_base_vars): Initialize STOREDANYTHING.
4718 (compute_points_to_sets): Free substitution info after
4719 building the succ graph.
4720 (ipa_pta_execute): Likewise.
4722 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4724 (do_ds_constraint): Do not add to special var or non-pointer
4726 (type_could_have_pointers): Split out from ...
4727 (could_have_pointers): ... here. For arrays use the element type.
4728 (create_variable_info_for): Initialize may_have_pointers.
4729 (new_var_info): Likewise.
4730 (handle_lhs_call): Make the HEAP variable unknown-sized.
4731 (intra_create_variable_infos): Use a type with pointers for
4732 PARM_NOALIAS, make it unknown-sized.
4734 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4737 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4739 2009-02-18 Jason Merrill <jason@redhat.com>
4742 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4743 value if DECL_EXTERNAL.
4744 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4745 * target.h (gcc_target::binds_local_p): Clarify "module".
4746 * tree.h (TREE_PUBLIC): Clarify "module".
4748 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4751 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4752 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4754 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4757 * c.opt (Wabi): Support C and ObjC.
4760 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4762 * config/i386/i386.c (classify_argument): Warn once about the ABI
4763 change when passing union with long double.
4765 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4767 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4770 * c-parser.c (c_parser_compound_statement): Always enter and leave
4773 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4776 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4778 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4780 PR tree-optimization/36922
4781 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4782 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4785 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4787 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4790 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4792 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4794 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4796 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4799 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4800 Richard Sandiford <rdsandiford@googlemail.com>
4802 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4803 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4804 (loongson_biadd): ...this.
4806 2009-02-17 Richard Guenther <rguenther@suse.de>
4808 PR tree-optimization/39202
4809 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4810 a var make sure to follow existing collapses.
4812 2009-02-17 Richard Guenther <rguenther@suse.de>
4815 * langhooks.c (lhd_print_error_function): Check for NULL block.
4817 2009-02-17 Richard Guenther <rguenther@suse.de>
4819 PR tree-optimization/39204
4820 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4823 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4825 * config/soft-fp/double.h: Update from glibc CVS.
4827 2009-02-17 Richard Guenther <rguenther@suse.de>
4829 PR tree-optimization/39207
4830 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4831 strict-aliasing warnings for pointers pointing to NULL.
4833 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4836 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4837 skipping until next close brace.
4839 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4842 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4843 to function argument boundary.
4845 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4847 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4848 in the lea_add. Reload eventually constraints it properly.
4849 * config/picochip/constraints.md : Remove the target constraint
4850 "b", since it is not needed anymore.
4852 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4854 * gthr-dce.h: Uglify function parameter and local variable names.
4855 * gthr-gnat.h: Likewise.
4856 * gthr-mipssde.h: Likewise.
4857 * gthr-nks.h: Likewise.
4858 * gthr-posix95.h: Likewise.
4859 * gthr-posix.h: Likewise.
4860 * gthr-rtems.h: Likewise.
4861 * gthr-single.h: Likewise.
4862 * gthr-solaris.h: Likewise.
4863 * gthr-tpf.h: Likewise.
4864 * gthr-vxworks.h: Likewise.
4865 * gthr-win32.h: Likewise.
4867 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4870 * config/i386/i386.md: Restrict the new peephole2 to move
4871 between MMX/SSE registers.
4873 2009-02-15 Richard Guenther <rguenther@suse.de>
4876 2009-02-13 Richard Guenther <rguenther@suse.de>
4878 * configure.ac: Enable LFS.
4879 * configure: Re-generate.
4880 * config.in: Likewise.
4882 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4884 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4885 spu_srqwbyte, spu_srqwbytebc): Define.
4886 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4887 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4888 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4889 "shrqby_<mode>"): New insn-and-split patterns.
4890 * config/spu/spu.c (expand_builtin_args): Determine and return
4891 number of operands using spu_builtin_description data.
4892 (spu_expand_builtin_1): Use it.
4894 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4897 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4900 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4903 * config/i386/i386.c (override_options): Correct warning
4904 messages for -malign-loops, -malign-jumps and -malign-functions.
4906 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4909 * config/i386/i386.md: Restrict the new peephole2 to move
4910 between the general purpose registers.
4912 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4915 * config/i386/i386.c (type_natural_mode): Add a new argument.
4916 Return the original mode and warn ABI change if vector size is 32byte.
4917 (function_arg_advance): Updated.
4918 (function_arg): Likewise.
4919 (ix86_function_value): Likewise.
4920 (ix86_return_in_memory): Likewise.
4921 (ix86_sol10_return_in_memory): Likewise.
4922 (ix86_gimplify_va_arg): Likewise.
4923 (function_arg_32): Don't warn ABX ABI change here.
4924 (function_arg_64): Likewise.
4926 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4928 * loop-iv.c (implies_p): In the final case, test that operands 0
4929 of the two comparisons match.
4931 * config/bfin/bfin.c (find_prev_insn_start): New function.
4932 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4933 (find_next_insn_start): Move.
4935 2009-02-13 Richard Guenther <rguenther@suse.de>
4937 * configure.ac: Enable LFS.
4938 * configure: Re-generate.
4939 * config.in: Likewise.
4941 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4944 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4945 sizes on syntax error after some arguments have been parsed.
4947 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4949 * doc/invoke.texi (-fira): Remove.
4951 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4953 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4954 * recog.c: Likewise.
4957 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4959 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4960 (umul_ppmm): Likewise.
4961 (count_leading_zeros): Likewise.
4962 (count_trailing_zeros): Likewise.
4963 (UMUL_TIME): Likewise.
4965 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4967 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4968 soft-fp/t-softfp to tmake_file.
4970 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4971 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4972 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4973 IA64_BUILTIN_INFQ]: New.
4974 (ia64_init_builtins): Initialize __builtin_infq,
4975 __builtin_fabsq and __builtin_copysignq if not HPUX.
4976 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4977 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4979 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4981 (__fixtfti): Likewise.
4982 (__fixunstfti): Likewise.
4983 (__floattitf): Likewise.
4985 * config/ia64/libgcc-glibc.ver: New.
4986 * config/ia64/t-fprules-softfp: Likewise.
4987 * config/ia64/sfp-machine.h: Likewise.
4989 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4990 (LIBGCC2_TF_CEXT): Likewise.
4991 (TF_SIZE): Likewise.
4992 (TARGET_INIT_LIBFUNCS): Likewise.
4994 * config/ia64/t-glibc (SHLINB_MAPFILES):
4995 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4997 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4999 * config/i386/i386.c (construct_container): Rewrite processing
5000 BLKmode with X86_64_SSE_CLASS.
5002 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5005 * config/i386/i386.md: Replace simplify_replace_rtx with
5006 replace_rtx in the new peephole2.
5008 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5010 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5011 loop unrolling do not happen at -O2.
5013 2009-02-12 Michael Matz <matz@suse.de>
5015 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5017 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5019 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5022 2009-02-12 Ben Elliston <bje@au.ibm.com>
5024 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5025 patterns when updating the back chain. Missed in the 2009-02-10
5028 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5030 * doc/extend.texi (Decimal Floating Types): Update identifier of
5031 draft TR and list of missing support.
5033 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5036 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5037 bit to variable length decl's flags, add it also to its
5038 pointer replacement variable.
5040 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5041 Jakub Jelinek <jakub@redhat.com>
5044 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5045 (memory_blockage): New expander.
5046 (*memory_blockage): New insn pattern.
5047 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5048 instead of general blockage at the end of function prologue when
5049 frame pointer is used to access red zone area. Do not emit blockage
5050 when profiling, it is emitted in generic code.
5051 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5052 function epilogue when frame pointer is used to access red zone area.
5054 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5057 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5058 by arithmetic with memory operands.
5059 * config/i386/predicates.md (commutative_operator): New.
5061 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5063 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5066 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5068 * alias.h (record_alias_subset): Declare.
5069 * alias.c (record_alias_subset): Make global.
5071 2009-02-10 Nick Clifton <nickc@redhat.com>
5073 * tree-parloops.c: Change license to GPLv3.
5074 * ipa-struct-reorg.c: Change license to GPLv3.
5075 * ipa-struct-reorg.h: Change license to GPLv3.
5077 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5080 * c-decl.c (start_struct): Return NULL on error.
5082 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5085 * cfgloopmanip.c (remove_path): Call remove_bbs after
5086 cancel_loop_tree, not before it.
5089 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5090 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5091 VAR_DECLs were seen.
5092 * tree-ssa-live.c (remove_unused_locals): Recompute
5093 cfun->has_local_explicit_reg_vars.
5094 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5095 copies or clearings if cfun->has_local_explicit_reg_vars.
5097 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5100 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5101 of function prologue when frame pointer is used to access
5104 2009-02-10 Richard Guenther <rguenther@suse.de>
5107 * gimplify.c (gimple_regimplify_operands): Always look if
5108 we need to create a temporary.
5110 2009-02-10 Richard Guenther <rguenther@suse.de>
5112 PR tree-optimization/39132
5113 * tree-loop-distribution.c (todo): New global var.
5114 (generate_memset_zero): Trigger TODO_rebuild_alias.
5115 (tree_loop_distribution): Return todo.
5117 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5120 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5121 (x86_64_reg_class_name): Removed.
5122 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5123 first one isn't X86_64_SSE_CLASS or any other ones aren't
5124 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5125 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5126 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5127 and 3 X86_64_SSEUP_CLASS.
5128 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5129 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5131 2009-02-10 Ben Elliston <bje@au.ibm.com>
5133 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5134 form instruction to update the stack back chain word, even if the
5135 user has disabled the generation of update instructions.
5136 (movdi_<mode>_update_stack): New.
5137 (movsi_update_stack): Likewise.
5138 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5139 always use an update form instruction to update the stack back
5142 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5145 * graphite.c (if_region_set_false_region): After moving a region in
5146 the false branch of a condition, remove the empty dummy basic block.
5147 (gloog): Remove wrong fix for PR38953.
5149 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5151 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5152 generation due to implicit sign extension.
5154 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5157 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5158 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5160 2009-02-09 Richard Guenther <rguenther@suse.de>
5163 * convert.c (convert_to_real): Disable (float)fn((double)x)
5164 to fnf(x) conversion if errno differences may occur and
5165 -fmath-errno is set.
5167 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5169 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5170 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5171 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5173 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5176 * c-common.c (handle_alias_attribute): Disallow attribute for
5177 anything not a FUNCTION_DECL or VAR_DECL.
5179 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5182 * real.c (do_compare): Special-case compare of zero against
5183 decimal float value.
5185 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5188 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5189 as indicating flexible array members unless the field itself is
5190 being declarared as the incomplete array.
5192 2009-02-06 Jan Hubicka <jh@suse.cz>
5194 PR tree-optimization/38844
5195 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5198 2009-02-06 Richard Guenther <rguenther@suse.de>
5201 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5202 fork because we may expand it as __gcov_fork.
5204 2009-02-06 Nick Clifton <nickc@redhat.com>
5206 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5208 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5210 PR tree-optimization/35659
5211 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5212 vn_phi_eq): Shortcut if hashcode does not match.
5213 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5215 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5216 and avoid iterative_hash_expr.
5217 (FOR_EACH_VALUE_ID_IN_SET): New.
5218 (value_id_compare): Remove.
5219 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5220 sort expressions by value id.
5222 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5225 * config/sh/predicates.md (general_movsrc_operand): Don't check
5226 the subreg of system registers here.
5228 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5231 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5234 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5236 PR rtl-optimization/39110
5237 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5238 addresses, not aligned ones.
5240 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5241 Richard Guenther <rguenther@suse.de>
5243 PR tree-optimization/39100
5244 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5245 comment says and add edges.
5247 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5250 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5251 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5253 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5255 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5256 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5257 register_bb_in_sese, new_sese, free_sese): Moved.
5258 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5259 outermost_loop_in_scop, build_scop_iteration_domain,
5260 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5261 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5262 Use loop_in_sese_p instead of loop_in_scop_p.
5263 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5264 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5265 (scopdet_basic_block_info): Fix bug in scop detection.
5266 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5267 eq_loop_to_cloog_loop): Remove.
5268 (nb_loops_around_loop_in_scop, nb_loop
5269 ref_nb_loops): Moved here...
5270 * graphite.h (ref_nb_loops): ... from here.
5271 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5272 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5273 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5274 * testsuite/gcc.dg/graphite/scop-19.c: New
5276 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5277 Hans-Peter Nilsson <hp@axis.com>
5279 PR rtl-optimization/37889
5280 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5281 Move offset handling from PLUS to before the switch. Use new
5282 arguments when considering SYMBOL_REFs too.
5283 (rtx_addr_can_trap_p): Pass dummy offset and size.
5284 (enum may_trap_p_flags): Remove.
5285 (may_trap_p_1): Pass size from MEM_SIZE.
5287 PR rtl-optimization/38921
5288 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5289 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5290 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5291 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5293 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5295 AVX Programming Reference (January, 2009)
5296 * config/i386/sse.md (*vpclmulqdq): New.
5298 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5300 PR tree-optimization/38977
5301 PR gcov-profile/38292
5302 * calls.c (special_function_p): Disregard __builtin_ prefix.
5304 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5306 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5307 non-indexable addresses even before reload.
5309 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5312 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5313 as having variable size. Do not give an error for unnamed
5314 parameters with [*] declarators. Give a warning for type names
5315 with [*] declarators and mark them as variable size.
5316 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5317 for sizeof applied to [*] type names.
5319 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5322 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5324 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5326 * gcc.c (process_command): Update copyright notice dates.
5327 * gcov.c (print_version): Likewise.
5328 * gcov-dump.c (print_version): Likewise.
5329 * mips-tfile.c (main): Likewise.
5330 * mips-tdump.c (main): Likewise.
5332 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5335 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5336 for composite type involving a zero-length array type.
5338 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5341 * function.c (match_asm_constraints_1): Skip over
5342 initial optional % in the constraint.
5345 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5346 supported, don't accept FIXED_CSTs.
5347 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5348 and _Sat is used without _Fract/_Accum. Set specs->type to
5349 integer_type_node for cts_fract/cts_accum if fixed point is not
5352 2009-02-02 Catherine Moore <clm@codesourcery.com>
5354 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5356 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5358 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5359 (ABI_HAS_64BIT_SYMBOLS): Use it.
5360 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5362 2009-02-02 Paul Brook <paul@codesourcery.com>
5364 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5366 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5369 * recog.h (asm_operand_ok): Add constraints argument.
5370 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5371 recurse on matching constraint.
5372 (check_asm_operands): Pass constraints as 3rd argument to
5373 asm_operand_ok. Don't look up matching constraint here.
5374 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5377 2009-02-02 Ben Elliston <bje@au.ibm.com>
5379 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5380 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5382 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5384 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5385 information. Remove some obsolete information. Reorganize.
5387 * config/pa/fptr.c: Revert license to GPL 2.
5388 * config/pa/milli64.S: Likewise.
5390 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5393 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5394 LIBRARY name in, instead of hard-coding it.
5395 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5396 extra target make frag to tmake_files according to EH model.
5397 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5398 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5399 frags that define makefile variable EH_MODEL appropriately.
5400 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5401 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5402 to "-sjlj" according to type of EH configured.
5403 (LIBGCC_SONAME): Concatenate it to shared library base name.
5404 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5405 to "_sjlj" according to type of EH configured.
5406 (LIBGCC_SONAME): Concatenate it to shared library base name.
5407 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5408 (SHLIB_LINK): Add missing semicolon to if-else construct.
5409 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5410 string value of "pe_dll" command-line option.
5411 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5412 (SHLIB_SONAME): Use it when overriding t-cygming default.
5413 (SHLIB_IMPLIB): Override t-cygming default.
5414 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5415 string value of "pe_dll" command-line option.
5417 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5420 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5421 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5423 2009-01-31 Richard Guenther <rguenther@suse.de>
5425 PR tree-optimization/38937
5426 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5427 computing the transitive closure.
5429 2009-01-30 Richard Guenther <rguenther@suse.de>
5431 PR tree-optimization/39041
5432 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5433 Propagate variable indices only if the types match for this stmt.
5435 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5438 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5439 inline but never defined.
5441 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5443 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5444 (*insv_h_di_reg_extimm): New insn.
5445 (*insv_l<mode>_reg_extimm): New insn.
5447 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5449 * config/picochip/picochip.c (flag_conserve_stack): set
5450 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5451 fconserve-stack. Reduce call-overhead used by inliner.
5453 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5456 * common.opt (flag_conserve_stack): Initialised to zero.
5458 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5461 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5462 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5465 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5467 * ira-color.c (allocno_reload_assign): Update comments.
5468 * regmove.c (regmove_optimize): Likewise.
5472 2009-01-29 Robert Millan <rmh@aybabtu.com>
5474 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5475 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5476 `MD_UNWIND_SUPPORT'.
5477 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5479 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5481 PR tree-optimization/39007
5482 * tree-loop-distribution.c (generate_builtin): Use
5483 recompute_dominator to compute the immediate dominator of the
5484 basic block just after the loop.
5486 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5488 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5489 (ASM_OUTPUT_DWARF_PCREL): Define.
5491 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5493 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5494 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5495 global. Modify entries about regmove and IRA.
5497 * ra-conflict.c: Remove the file.
5499 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5501 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5502 (pass_regclass_init): Rename to pass_reginfo_init.
5504 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5506 * toplev.h (flag_ira): Remove.
5508 * caller-save.c (setup_save_areas): Remove flag_ira.
5510 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5512 * global.c: Remove the file.
5514 * opts.c (decode_options): Remove flag_ira.
5516 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5518 * regmove.c: Modify file description.
5519 (find_use_as_address, try_auto_increment): Define them only if
5520 AUTO_INC_DEC is defined.
5521 (replacement_quality, replace_in_call_usage, fixup_match_1,
5522 stable_and_no_regs_but_for_p): Remove.
5523 (reg_set_in_bb): Make it static.
5524 (regmove_optimize): Remove flag_ira and code which worked for
5527 * local-alloc.c: Remove the file.
5529 * common.opt (fira): Remove.
5531 * ira.c: Include except.h.
5532 (eliminable_regset): Move from global.c.
5533 (mark_elimination): Ditto. Remove flag_ira.
5534 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5535 equiv_mem_modified, validate_equiv_mem_from_store,
5536 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5537 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5538 no_equiv, recorded_label_ref): Move from local-alloc.c.
5539 (update_equiv_regs): Ditto. Make it static.
5540 (print_insn_chain, print_insn_chains): Move it from global.c.
5541 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5542 (build_insn_chain): Ditto. Make it static.
5543 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5544 Rename to init_live_subregs.
5545 (gate_ira): Remove flag_ira.
5547 * regclass.c: Rename reginfo.c. Change file description.
5548 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5549 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5550 (init_reg_sets_1): Remove code for evaluation of
5551 reg_class_superclasses and losing_caller_save_reg_set.
5552 (init_regs): Remove init_reg_autoinc.
5553 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5554 ok_for_base_p_nonstrict): Remove.
5555 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5556 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5557 corresponding entries.
5558 (dump_regclass, record_operand_costs, scan_one_insn,
5559 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5560 record_address_regs, auto_inc_dec_reg_p): Remove.
5561 (gt-regclass.h): Rename to gt-reginfo.h.
5563 * rtl.h (dump_global_regs, retry_global_alloc,
5564 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5566 * Makefile.in (RA_H): Remove.
5567 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5568 Rename regclass.o to reginfo.o.
5569 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5571 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5572 (GTFILES): Rename regclass.c to reginfo.c.
5574 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5575 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5577 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5578 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5580 (finish_spills): Ditto. Remove code for !flag_ira.
5582 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5585 * doc/invoke.texi (rtl debug options): Complete rewrite.
5586 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5588 * mode-switching.c (pass_mode_switching): Rename pass from
5589 "mode-sw" to "mode_sw".
5590 * except.c (pass_convert_to_eh_ranges): Rename pass from
5591 "eh-ranges" to "eh_ranges".
5592 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5596 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5597 Alexander Monakov <amonakov@ispras.ru>
5600 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5602 (move_exprs_to_boundary): Change return type and pass through
5603 should_move from move_op. Relax assert. Update usage ...
5604 (schedule_expr_on_boundary): ... here. Use should_move instead of
5606 (move_op_orig_expr_found): Indicate that insn was disconnected from
5608 (code_motion_process_successors): Do not call after_merge_succs
5609 callback if original expression was not found when traversing any of
5611 (code_motion_path_driver): Change return type. Update prototype.
5612 (move_op): Update comment. Add a new parameter (should_move). Update
5613 prototype. Set *should_move based on indication provided by
5614 move_op_orig_expr_found.
5616 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5618 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5619 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5620 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5621 * config/rs6000/rs6000.c (rs6000_override_options): Default
5622 avoid-indexed-addresses on for Power6, off for everything else.
5623 (avoiding_indexed_address_p): New function.
5624 (rs6000_legitimize_address): Use it.
5625 (rs6000_legitimate_address): Likewise.
5626 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5628 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5630 PR tree-optimization/38997
5631 * tree-loop-distribution.c (generate_memset_zero): Use
5632 POINTER_PLUS_EXPR for a pointer addition.
5634 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5636 * config/s390/s390.md (bswap<mode>2): New pattern added.
5638 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5640 * config/s390/s390.md (*tls_load_31): Added type attribute.
5642 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5644 * config/s390/s390.md: Fix a few comments.
5646 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5648 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5649 (*tm<mode>_full): Fixed z10prop attribute.
5650 (*tst<mode>_extimm): Fixed z10prop attribute.
5651 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5652 (*tstqiCCT_cconly): Fixed z10prop attribute.
5653 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5654 (*movsi_larl): Fixed z10prop attribute.
5655 (*movsi_zarch): Fixed z10prop attribute.
5656 (*movsi_eas): Fixed z10prop attribute.
5657 (*movhi): Fixed z10prop attribute.
5658 (*movqi): Fixed z10prop attribute.
5659 (*movstrictqi): Fixed z10prop attribute.
5660 (*mov<mode>): Fixed z10prop attribute.
5661 (*movcc): Fixed z10prop attribute.
5662 (*sethighpartdi_64): Fixed z10prop attribute.
5663 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5664 (*negdi2_sign_cc): Fixed z10prop attribute.
5665 (*negdi2_sign): Fixed z10prop attribute.
5666 (*absdi2_sign_cc): Fixed z10prop attribute.
5667 (*absdi2_sign): Fixed z10prop attribute.
5668 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5669 (*negabsdi2_sign): Fixed z10prop attribute.
5670 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5671 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5672 (doloop_si64): Fixed z10prop attribute.
5673 (doloop_si31): Fixed z10prop attribute.
5674 (doloop_long): Fixed z10prop attribute.
5675 (indirect_jump): Fixed z10prop attribute.
5676 (nop): Fixed z10prop attribute.
5677 (main_base_64): Fixed z10prop attribute.
5678 (reload_base_64): Fixed z10prop attribute.
5680 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5682 PR rtl-optimization/38740
5683 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5685 * config/mips/mips.c (mips_reorg): Likewise.
5687 2009-01-28 Richard Guenther <rguenther@suse.de>
5689 PR tree-optimization/38926
5690 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5691 with the correct value id to a value.
5692 (do_regular_insertion): Use the value number of edoubleprime
5693 for the value number of the expr.
5696 2008-08-21 Richard Guenther <rguenther@suse.de>
5698 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5699 a PHI ask VN if it is already available.
5700 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5701 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5703 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5706 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5707 set to varying whenever max has TREE_OVERFLOW set, similarly
5708 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5710 2009-01-28 Richard Guenther <rguenther@suse.de>
5713 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5714 uninitialized aggregate uses in call arguments.
5716 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5718 PR tree-optimization/38984
5719 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5720 the nothing_id variable if -fno-delete-null-pointer-checks.
5722 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5725 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5726 (set_got_offset_rex64): Ditto.
5728 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5731 * doc/extend.texi: Improve local variable with asm reg.
5733 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5735 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5736 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5737 was not supplied then set warn_packed_bitfield_compat to the
5739 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5742 2009-01-27 Richard Guenther <rguenther@suse.de>
5744 PR tree-optimization/38503
5745 * cfgexpand.c (expand_gimple_basic_block): Ignore
5746 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5747 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5748 variables that cannot have TBAA applied.
5749 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5752 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5755 * calls.c (initialize_argument_information): Do not wrap complex
5756 arguments in SAVE_EXPR.
5758 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5760 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5761 (INSTALL_LIBGCC): Revert typo commit.
5763 2009-01-26 Richard Guenther <rguenther@suse.de>
5765 PR tree-optimization/38745
5766 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5767 from special handling.
5769 2009-01-26 Richard Guenther <rguenther@suse.de>
5771 PR tree-optimization/38745
5772 * tree-ssa.c (execute_update_addresses_taken): Do not include
5773 variables that cannot possibly be a register in not_reg_needs.
5774 Do not clear TREE_ADDRESSABLE on vars that may not become
5776 * tree-ssa.c (update_alias_info_1): Include those in the set
5777 of addressable vars.
5779 2009-01-26 Richard Guenther <rguenther@suse.de>
5782 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5783 * tree-ssa-dse.c: Include langhooks.h
5784 (execute_simple_dse): Remove stores with zero size.
5786 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5789 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5792 2009-01-24 Julian Brown <julian@codesourcery.com>
5794 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5795 config/arm/linux-atomic.c.
5796 * config/arm/linux-atomic.c: New.
5798 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5800 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5801 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5802 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5804 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5807 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5810 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5812 PR tree-optimization/38953
5813 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5814 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5815 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5816 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5819 2009-01-24 Paul Brook <paul@codesourcery.com>
5821 * config/arm/neon.md (neon_type): Move to arm.md.
5822 (neon_mov<VSTRUCT>): Add neon_type attribute.
5823 * config/arm/arm.md (neon_type): Move to here.
5824 (conds): Add "unconditioal" and use as default for NEON insns.
5826 2009-01-24 Ben Elliston <bje@au.ibm.com>
5828 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5829 void *' warning from -Wc++-compat.
5830 * Makefile.in (dominance.o-warn): Remove.
5832 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5834 PR tree-optimization/38932
5835 * fold-const.c (fold_unary_ignore_overflow): New.
5836 * tree.h (fold_unary_ignore_overflow): Declare.
5837 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5838 * tree-ssa-sccvn.c (visit_reference_op_load,
5839 simplify_unary_expression): Likewise.
5841 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5843 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5844 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5845 regardless of their type.
5846 * c-common.c (handle_packed_attribute): Don't ignore packed on
5848 * c.opt (Wpacked-bitfield-compat): New warning option.
5849 * stor-layout.c (place_field): Warn if offset of a field changed.
5850 * doc/extend.texi (packed): Mention the ABI change.
5851 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5852 (Warning Options): Add it to the list.
5854 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5856 * c-opts.c (c_common_post_options): Fix a typo in comments.
5858 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5861 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5862 variables to static.
5863 * doc/invoke.texi (-fmerge-all-constants): Update description.
5865 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5868 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5869 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5871 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5873 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5875 (LOCAL_ALIGNMENT): Similarly.
5877 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5878 Joseph Myers <joseph@codesourcery.com>
5880 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5881 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5882 * config/arm/arm-tune.md: Regenerate.
5883 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5886 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5888 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5889 version number to five.
5891 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5894 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5895 * c-common.c (set_underlying_type): Likewise.
5896 (is_typedef_decl ): Likewise
5898 (set_underlying_type): Likewise.
5899 (is_typedef_type): Likewise.
5901 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5904 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5907 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5910 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5911 (LIBGCC_SPEC): Don't define.
5912 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5914 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5916 PR rtl-optimization/38879
5917 * alias.c (base_alias_check): Unaligned access via AND address can
5918 alias all surrounding object types except those with sizes equal
5919 or wider than the size of unaligned access.
5921 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5924 * c-decl.c (clone_underlying_type): Move this ...
5925 * c-common.c (set_underlying_type): ... here.
5926 Also, make sure the function properly sets TYPE_STUB_DECL() on
5927 the newly created typedef variant type.
5928 (is_typedef_decl ): New entry point.
5929 * tree.h: Added a new member member_types_needing_access_check to
5930 struct tree_decl_non_common.
5931 (set_underlying_type): New entry point.
5932 (is_typedef_type): Likewise.
5934 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5936 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5937 Check whether two instructions have memory references that
5938 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5939 are helper functions for traversing.
5940 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5941 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5942 not to draw dependency edge for instructions with non-conflicting
5945 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5948 * longlong.h: Update copyright years. Use soft-fp license notice.
5949 Sync __clz_tab declaration with glibc.
5951 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5954 * doc/extend.texi (syscall_linkage): New.
5955 (version_id): Modify.
5957 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5958 Richard Guenther <rguenther@suse.de>
5960 PR tree-optimization/38747
5961 PR tree-optimization/38748
5962 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5963 conversion if the base address is an indirect reference and the
5964 aliasing sets could cause issues.
5966 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5968 * common.opt (fgraphite, fgraphite-identity): Add comment for
5969 explaining why these options are not documented.
5971 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5973 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5974 gimple_call_lhs is NULL.
5976 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5979 * emit-rtl.c (adjust_address_1): Make sure memref is never
5982 2009-01-20 Ben Elliston <bje@au.ibm.com>
5984 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5985 const qualifier from arg parameter. Remove unnecessary cast to char *.
5986 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5987 const qualifier from arg 2.
5989 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5991 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5993 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5996 * rtl.h (reinit_regs): New prototype.
5997 * regclass.c: Include ira.h.
5999 * Makefile.in (regclass.o): Add ira.h.
6000 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6002 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6005 * c-common.c (handle_aligned_attribute): Use
6006 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6007 default alignment value.
6009 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6011 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6012 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6014 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6015 __BIGGEST_ALIGNMENT__.
6017 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6019 2009-01-18 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/38819
6022 * tree-flow.h (operation_could_trap_helper_p): Declare.
6023 * tree-eh.c (operation_could_trap_helper_p): Export.
6024 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6025 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6026 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6027 are about to insert a possibly trapping instruction and fail
6030 2009-01-18 Andreas Schwab <schwab@suse.de>
6032 * doc/install.texi (Configuration): Remove obsolete paragraph
6033 about use of --with-gnu-ld with --with-gnu-as.
6035 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6037 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6038 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6039 Follow spelling conventions.
6041 2009-01-18 Ben Elliston <bje@au.ibm.com>
6043 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6044 C++ warning about implicit conversion from void * to struct
6046 (bitmap_obstack_free): Likewise for bitmap_element *.
6047 * Makefile.in (bitmap.o-warn): Remove.
6049 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6051 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6053 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6054 Tobias Grosser <tobi.grosser@amd.com>
6056 * graphite.c (graphite_trans_scop_block): Do not block single
6059 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6061 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6062 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6063 test with assertion.
6065 2009-01-16 Richard Guenther <rguenther@suse.de>
6067 PR tree-optimization/38835
6069 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6070 and INT + PTR -> (INT)(PTR p+ INT) folding.
6071 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6073 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6076 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6077 the subreg from a lowpart subreg if it is also casting the value.
6079 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6080 Tobias Grosser <tobi.grosser@amd.com>
6082 * graphite.c (compare_prefix_loops): New.
6083 (build_scop_canonical_schedules): Rewritten.
6084 (graphite_transform_loops): Move build_scop_canonical_schedules
6085 after build_scop_iteration_domain.
6087 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6088 Tobias Grosser <tobi.grosser@amd.com>
6090 * graphite.c (add_conditions_to_domain): Add the loops to
6091 the dimension of the iteration domain. Do copy the domain
6092 only when it exists.
6093 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6094 (add_conditions_to_constraints): New.
6095 (can_generate_code_stmt, can_generate_code): Removed.
6096 (gloog): Do not call can_generate_code.
6097 (graphite_transform_loops): Call add_conditions_to_constraints
6098 after building the iteration domain.
6100 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6102 PR tree-optimization/38789
6103 * tree-ssa-threadedge.c
6104 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6105 __builtin_constant_p.
6107 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6109 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6110 examined before deleting them.
6112 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6114 * function.c (aggregate_value_p): Correctly extract the function
6115 type from CALL_EXPR_FN lookup.
6117 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6119 * config/picochip/picochip.c (picochip_override_options): Revert
6120 CFI asm flag disable commited previously.
6122 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6123 Tobias Grosser <tobi.grosser@amd.com>
6124 Jan Sjodin <jan.sjodin@amd.com>
6126 * graphite.c (scan_tree_for_params): On substractions negate
6127 all the coefficients of the term.
6128 (clast_to_gcc_expression_red): New. Handle reduction expressions
6129 of more than two operands.
6130 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6131 (get_vdef_before_scop): Handle also the case of default definitions.
6133 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6135 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6136 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6137 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6139 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6140 Joey Ye <joey.ye@intel.com>
6143 * cfgexpand.c (expand_stack_alignment): Don't update stack
6144 boundary nor check incoming stack boundary here.
6145 (gimple_expand_cfg): Update stack boundary and check incoming
6146 stack boundary here.
6148 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6150 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6152 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6154 PR rtl-optimization/38245
6155 * calls.c (expand_call): Add stack arguments to
6156 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6157 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6158 in regs and partially in memory or BLKmode arguments.
6159 (emit_library_call_value_1): Add stack arguments to
6160 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6161 ACCUMULATE_OUTGOING_ARGS).
6162 * dce.c: Include tm_p.h.
6163 (find_call_stack_args): New function.
6164 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6166 (mark_insn): Call find_call_stack_args for CALL_Ps.
6167 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6168 forwards. Allocate and free arg_stores bitmap if needed, pass it
6169 down to deletable_insn_p, don't mark stores set in arg_stores
6170 bitmap, clear the bitmap at the beginning of each bb.
6171 * Makefile.in (dce.o): Depend on $(TM_P_H).
6173 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6176 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6177 to make sure the insn is a conditional test (bug 22599). Reformat a
6180 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6183 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6184 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6185 (gloog): Do not call cleanup_tree_cfg.
6186 (graphite_transform_loops): Call cleanup_tree_cfg after all
6187 scops have been code generated.
6189 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6190 * doc/gty.texi (Invoking the garbage collector): Added new node
6191 and section documenting ggc_collect.
6193 2009-01-14 Richard Guenther <rguenther@suse.de>
6195 PR tree-optimization/38826
6197 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6198 initialization notes only if we actually emitted a warning.
6199 (intra_create_variable_infos): Add constraints for a result decl
6200 that is passed by hidden reference.
6201 (build_pred_graph): Mark all related variables non-direct on
6204 2009-01-14 Nick Clifton <nickc@redhat.com>
6206 * ira-conflicts.c: Include addresses.h for the definition of
6208 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6209 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6211 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6214 * Makefile.in (ira-lives.o): Add except.h.
6216 * ira-lives.c: Include except.h.
6217 (process_bb_node_lives): Process can_throw_internal.
6219 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6221 PR rtl-optimization/38774
6222 * combine.c (simplify_set): When undoing cc_use change, don't do
6223 PUT_CODE on the newly created comparison, but instead put back the
6226 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6228 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6229 values. Remove duplicate arm8 entry.
6231 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6233 PR tree-optimization/38786
6234 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6235 the SSA_NAME case of expand_scalar_variables_expr.
6236 Set the type of an expression to the type of its assign statement.
6237 (expand_scalar_variables_expr): Also gather the scalar computation
6238 used to index the memory access. Do not pass loop_p.
6239 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6240 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6241 the gimple_stmt_iterator where it inserts new code.
6243 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6244 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6246 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6248 * graphite.h (debug_value): Removed.
6249 * graphite.c (debug_value): Removed.
6251 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6253 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6254 ldrd/strd with two 32-bit instructions.
6256 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6258 * config/arm/arm.c (struct processors): Pass for speed down into
6259 cost helper functions.
6260 (const_ok_for_op): Handle COMPARE and inequality nodes.
6261 (arm_rtx_costs_1): Rewrite.
6262 (arm_size_rtx_costs): Update prototype.
6263 (arm_rtx_costs): Pass speed down to helper functions.
6264 (arm_slowmul_rtx_costs): Rework cost calculations.
6265 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6266 (arm_9e_rtx_costs): Likewise.
6268 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6270 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6271 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6272 (alpha_legitimize_address): Do not split local symbols wider than
6273 UNITS_PER_WORD into HIGH/LO_SUM parts.
6275 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6278 * gcc.c (process_command): Replace call to execvp with calls
6279 to pex_one and exit.
6281 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6284 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6285 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6286 variant for devices with 3-byte PC.
6287 (__tablejump_elpm__): New.
6289 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6292 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6293 offsetof member-designator, handle it as `[0].'.
6295 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6297 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6298 function when not using named sections on targets with named sections
6299 if branch distance is less than 262132.
6301 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6303 * combine.c (combine_instructions): Recompute
6304 optimize_this_for_speed_p for each BB in the main combine loop.
6306 2009-01-12 Tomas Bily <tbily@suse.cz>
6309 * tree-loop-distribution.c (prop_phis): New function.
6310 (generate_builtin): Call prop_phis.
6311 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6313 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6315 PR tree-optimization/38807
6316 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6317 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6319 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6321 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6322 subreg of op0 to the original op0.
6324 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6326 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6328 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6331 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6332 starting with digits.
6334 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6337 * config/arm/arm.c (arm_is_long_call_p): Don't call
6338 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6340 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6342 * regrename.c (regrename_optimize): Fix dumping.
6343 (find_oldest_value_reg): Preserve REG_POINTER.
6344 (copy_hardreg_forward_1): Likewise.
6346 2009-01-09 Diego Novillo <dnovillo@google.com>
6348 * gimple.h (struct gimple_statement_base) <uid>: Document
6349 the restrictions on its use.
6351 (gimple_set_uid): Tidy.
6353 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6355 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6356 zero guard even if align_bytes != 0 and count is smaller than
6359 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6361 PR rtl-optimization/38495
6362 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6363 (add_range_and_copies_from_move_list): Print all added ranges.
6364 Add ranges to memory optimized destination.
6366 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6370 * config/i386/i386.c (override_options): Reject
6371 -mstringop-strategy=rep_8byte with -m32.
6372 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6373 to 1. Do count comparison against epilogue_size_needed at compile
6374 time even when count_exp was constant forced into register. For
6375 size_needed don't jump to epilogue, instead just avoid aligning
6376 and invoke the body algorithm. If need_zero_guard, add zero guard
6377 even if count is non-zero, but smaller than size_needed + number of
6378 bytes that could be stored for alignment.
6379 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6380 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6381 but smaller than size_needed + number of bytes that could be stored
6382 for alignment. Compare size_needed with epilogue_size_needed instead
6383 of desired_align - align, don't adjust size_needed, pass
6384 epilogue_size_needed to the epilogue expanders.
6387 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6389 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6391 * pa.c (last_address): Change to unsigned.
6392 (update_total_code_bytes): Change argument to unsigned. Don't
6393 check if insn addresses are set.
6394 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6395 addresses are not set.
6396 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6398 2009-01-09 Nick Clifton <nickc@redhat.com>
6400 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6401 DECL_DECLARED_INLINE_P.
6403 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6406 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6407 GET_MODE (op0) in operand_subword_force calls.
6410 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6411 fold_convert arg0 operands to TREE_TYPE (op0) first.
6413 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6415 * params.def (ira-max-conflict-table-size): Decrease default value
6418 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6420 PR tree-optimization/37031
6421 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6423 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6424 allocate it using gc instead of heap, use VEC_quick_push instead of
6426 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6427 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6428 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6429 allocated vector from heap allocated.
6430 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6431 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6432 vector only after perfect_loop_nest_depth call.
6434 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6435 Jan Sjodin <jan.sjodin@amd.com>
6437 PR tree-optimization/38559
6438 * graphite.c (debug_value, copy_constraint,
6439 swap_constraint_variables, scale_constraint_variable, ): New.
6440 (get_lower_bound, get_upper_bound): Removed.
6441 (graphite_trans_bb_strip_mine): Clean up this code that works
6442 only for constant number of iterations. Fully copy upper and
6443 lower bound constraints, not only the constant part of them.
6444 * graphite.h (debug_value): Declared.
6446 2009-01-08 Ira Rosen <irar@il.ibm.com>
6448 PR tree-optimization/37194
6449 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6450 Don't add the cost of cost model guard in prologue to scalar
6451 outside cost in case of known number of iterations.
6453 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6454 Alan Modra <amodra@bigpond.net.au>
6456 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6457 non-word-aligned REG+CONST addressing.
6459 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6462 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6463 free_after_compilation when outputting a thunk.
6464 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6465 Do not call free_after_compilation here.
6467 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6469 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6470 (ix86_valid_target_attribute_inner_p): Ditto.
6472 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6474 PR tree-optimization/38492
6475 PR tree-optimization/38498
6476 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6477 * tree-chrec.h (scev_is_linear_expression): Declared.
6478 * graphite.c (graphite_cannot_represent_loop_niter): New.
6479 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6480 (graphite_loop_normal_form): Use gcc_assert.
6481 (scan_tree_for_params): Use CASE_CONVERT.
6482 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6483 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6484 Use gcc_assert. Discard scops that contain unhandled cases.
6485 (build_scop_conditions): Return a boolean status for unhandled cases.
6486 (strip_mine_profitable_p): Print the loop number, not its depth.
6487 (is_interchange_valid): Pass the depth of the loop nest, don't
6488 recompute it wrongly.
6489 (graphite_trans_bb_block): Same.
6490 (graphite_trans_bb_block): Print tentative of loop blocking.
6491 (graphite_trans_scop_block): Do not print that the loop has been
6493 (graphite_transform_loops): Do not handle scops that contain condition
6496 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6498 AVX Programming Reference (December, 2008)
6499 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6500 (_mm256_stream_pd): Likewise.
6501 (_mm256_stream_ps): Likewise.
6503 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6504 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6505 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6506 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6507 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6508 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6509 (ix86_expand_special_args_builtin): Likewise.
6511 * config/i386/sse.md (AVXMODEDI): New.
6512 (avx_movnt<mode>): Likewise.
6513 (avx_movnt<mode>): Likewise.
6514 (<sse>_movnt<mode>): Remove AVX support.
6515 (sse2_movntv2di): Likewise.
6517 2009-01-07 Richard Guenther <rguenther@suse.de>
6520 * fold-const.c (extract_muldiv): Remove obsolete comment.
6521 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6522 to PLUS_EXPR canonicalization for the canonicalization.
6524 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6526 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6527 hosted cross-compilers generating less efficient code.
6529 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6531 * function.h (rtl_data): Add a dbr_scheduled_p field.
6532 * reorg.c (dbr_schedule): Set it.
6533 (gate_handle_delay_slots): Check it.
6534 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6535 (mips_reorg): Check flag_delayed_branch instead of
6536 mips_base_delayed_branch.
6537 (mips_override_options): Don't set mips_base_delayed_branch
6538 or flag_delayed_branch.
6540 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6542 PR rtl-optimization/38426.
6543 * ira.c (ira): Set current_function_is_leaf earlier.
6545 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6547 PR rtl-optimization/38722
6548 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6549 too early, only set a flag and modify after last possible
6552 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6555 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6556 * real.c (decimal_single_format): Correct values of emin and emax.
6557 (decimal_double_format): Ditto.
6558 (decimal_quad_format): Ditto.
6559 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6560 computation of DECnn_MIN and DECnn_MAX for corrected values of
6561 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6562 __DECnn_MIN__, and adjust its computation for the corrected value
6565 2009-01-06 Jan Hubicka <jh@suse.cz>
6568 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6570 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6572 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6573 Add Robert Clark to the list of testers.
6575 2009-01-06 Jan Hubicka <jh@suse.cz>
6576 Kai Tietz <kai.tietz@onevision.com>
6578 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6579 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6581 2009-01-06 Jan Hubicka <jh@suse.cz>
6582 Kai Tietz <kai.tietz@onevision.com>
6584 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6586 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6587 (ix86_nsaved_regs): Count only general purpose regs.
6588 (ix86_nsaved_sseregs): New.
6589 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6590 to 16 for w64; compute padding and size of sse reg save area.
6591 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6592 general purpose regs.
6593 (ix86_emit_save_sse_regs_using_mov): New.
6594 (ix86_expand_prologue): Save SSE regs if needed.
6595 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6596 (ix86_emit_restore_sse_regs_using_mov): New.
6597 (ix86_expand_epilogue): Save SSE regs if needed.
6599 2009-01-06 Jan Hubicka <jh@suse.cz>
6600 Kai Tietz <kai.tietz@onevision.com>
6602 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6603 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6604 functions when accumulate outgoing args is off.
6606 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6609 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6610 before using pseudos_have_intersected_live_ranges_p.
6612 * ira-int.h (ira_assert): Always define.
6614 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6616 AVX Programming Reference (December, 2008)
6617 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6618 (_mm256_permute2_pd): Likewise.
6619 (_mm_permute2_ps): Likewise.
6620 (_mm256_permute2_ps): Likewise.
6621 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6622 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6624 * config/i386/i386.c (ix86_builtins): Remove
6625 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6626 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6627 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6628 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6629 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6630 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6631 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6632 __builtin_ia32_vpermil2ps256.
6633 (ix86_init_mmx_sse_builtins): Updated.
6634 (ix86_expand_args_builtin): Likewise.
6636 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6638 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6639 long absolute calls when generating PA 2.0 code.
6641 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6643 PR rtl-optimization/38583
6644 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6646 * params.def (ira-max-conflict-table-size): New.
6648 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6650 * ira.h (ira_conflicts_p): New external definition.
6652 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6653 table. Report this. Return result of building.
6654 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6655 building conflict table.
6657 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6658 (ira_color): Use ira_conflicts_p.
6660 * global.c: Include ira.h.
6661 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6664 * Makefile.in (global.o): Add ira.h.
6666 * ira-build.c (mark_all_loops_for_removal,
6667 propagate_some_info_from_allocno): New.
6668 (remove_unnecessary_allocnos): Call
6669 propagate_some_info_from_allocno.
6670 (remove_low_level_allocnos): New.
6671 (remove_unnecessary_regions): Add parameter. Call
6672 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6673 parameter to remove_unnecessary_regions.
6674 (ira_build): Remove all regions but root if the conflict table was
6675 not built. Update conflict hard regs for allocnos crossing calls.
6677 * ira.c (ira_conflicts_p): New global.
6678 (ira): Define and use ira_conflicts_p.
6680 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6681 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6682 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6684 2009-01-06 Ben Elliston <bje@au.ibm.com>
6686 * gengtype-lex.l (YY_NO_INPUT): Define.
6688 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6691 * c-common.c (handle_vector_size_attribute): Also reject
6694 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6696 PR tree-optimization/38492
6697 * graphite.c (rename_map_elt, debug_rename_elt,
6698 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6699 rename_map_elt_info, eq_rename_map_elts,
6700 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6701 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6702 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6703 (sese_build_livein_liveouts): New.
6704 (new_sese, free_sese): New.
6705 (new_scop): Call new_sese.
6706 (free_scop): Call free_sese.
6707 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6708 (register_old_new_names): Renamed register_old_and_new_names.
6709 (register_scop_liveout_renames, add_loop_exit_phis,
6710 insert_loop_close_phis, struct igp,
6711 default_liveout_before_guard, add_guard_exit_phis,
6712 insert_guard_phis, copy_renames): New.
6713 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6714 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6715 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6716 (scop_adjust_phis_for_liveouts): New.
6717 (gloog): Call scop_adjust_phis_for_liveouts.
6719 * graphite.h (struct sese): Documented. Added fields liveout,
6721 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6722 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6723 (struct scop): Added field liveout_renames.
6724 (SCOP_LIVEOUT_RENAMES): New.
6726 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6728 PR tree-optimization/38510
6729 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6730 (translate_clast): Call recompute_all_dominators before
6732 (gloog): Call recompute_all_dominators before graphite_verify.
6734 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6735 Jan Sjodin <jan.sjodin@amd.com>
6737 PR tree-optimization/38500
6738 * graphite.c (create_sese_edges): Call fix_loop_structure after
6741 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6743 * config.gcc: Add m32r*-*-rtems*.
6744 * config/m32r/rtems.h: New file.
6746 2009-01-05 Ben Elliston <bje@au.ibm.com>
6748 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6749 (.po.pox): Likewise.
6750 (po/gcc.pot): Likewise.
6752 2009-01-04 David S. Miller <davem@davemloft.net>
6754 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6755 (STARTING_FRAME_OFFSET): Always set to zero.
6757 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6759 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6760 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6761 fixed-point types, and vectors of the same.
6763 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6765 * config/mips/sync.md (*mb_barrier): Rename to...
6766 (*memory_barrier): ...this.
6768 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6770 * doc/extend.texi (Function Attributes): Move @cindex after @item
6771 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6772 and put in alphabetical order. Fix 'target' name and put in order.
6773 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6776 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6778 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6779 (memory_barrier): Expand as unspec instead of unspec_volatile.
6780 Remove mem:BLK from insn operands. Use Pmode scratch register.
6781 (*memory_barrier): Define as unspec instead of unspec_volatile.
6782 Use (match_dup 0) as input operand.
6784 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6785 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6786 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6787 scratch register. Remove operand 1.
6788 (*stbar): Define as unspec instead of unspec_volatile.
6789 Use (match_dup 0) as input operand, remove (const_int 8).
6790 (*membar): Define as unspec instead of unspec_volatile.
6791 Use (match_dup 0) as input operand, remove input operand 2.
6793 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6794 (memory_barrier): Expand as unspec instead of unspec_volatile.
6795 Remove mem:BLK from insn operands. Use Pmode scratch register.
6796 (*memory_barrier): Define as unspec instead of unspec_volatile.
6797 Use (match_dup 0) as input operand.
6799 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6800 Remove mem:BLK from insn operands. Use Pmode scratch register.
6801 Set volatile flag on operand 0.
6802 (*memory_barrier): New insn pattern.
6804 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6806 (*memory_barrier): Use (match_dup 0) as input operand.
6808 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6809 Remove mem:BLK from insn operands. Use Pmode scratch register.
6810 Set volatile flag on operand 0.
6811 (*mb_internal): New insn pattern.
6813 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6815 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6818 * function.c (struct temp_slot): Move to the section of the file
6819 that deals with temp slots. Remove field 'address'.
6820 (temp_slot_address_table): New hash table of address -> temp slot.
6821 (struct temp_slot_address_entry): New struct, items for the table.
6822 (temp_slot_address_compute_hash, temp_slot_address_hash,
6823 temp_slot_address_eq, insert_temp_slot_address): Support functions
6825 (find_temp_slot_from_address): Rewrite to use the new hash table.
6826 (remove_unused_temp_slot_addresses): Remove addresses of temp
6827 slots that have been made available.
6828 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6829 worker function for remove_unused_temp_slot_addresses.
6830 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6831 Add the temp slot address to the address -> temp slot map.
6832 (update_temp_slot_address): Update via insert_temp_slot_address.
6833 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6834 (pop_temp_slots): Likewise.
6835 (init_temp_slots): Allocate the address -> temp slot map, or empty
6836 the map if it is already allocated.
6837 (prepare_function_start): Initialize temp slot processing.
6839 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6842 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6843 Calculate the size of all stack vars assuming no packing of stack
6844 vars will happen, replacing a quadratic algorithm with a linear one.
6846 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6849 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6852 2009-01-03 Diego Novillo <dnovillo@google.com>
6854 * doc/contrib.texi: Update contributions.
6856 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6859 * builtins.c (fold_builtin_memory_op): Give up if either operand
6860 is volatile. Set srctype or desttype to non-qualified version
6864 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6867 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6869 PR rtl-optimization/35805
6870 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6871 problem if fast dce is able to remove any instructions.
6872 * dce.c (dce_process_block): Fix dump message.
6874 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6877 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6879 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6882 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6883 * tree-pretty-print.c (op_code_prio): New function.
6884 (op_prio): No longer static. Use op_code_prio.
6885 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6886 Use op_prio and op_code_prio to determine if () should be
6887 printed around operand(s) or not.
6889 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6890 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6891 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6892 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6893 pp_character instead of pp_string for single letter printing.
6895 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6897 * doc/extend.texi: Fix '#pragma GCC option' typo.
6899 2009-01-02 Richard Guenther <rguenther@suse.de>
6901 * doc/install.texi (--enable-checking): Mention different
6903 (--enable-stage1-checking): Document.
6905 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6908 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6909 case to be an error.
6911 2009-01-02 Ben Elliston <bje@au.ibm.com>
6913 * config/fp-bit.h (pack_d): Constify argument.
6914 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6915 (isnan): Constify argument.
6919 (_fpadd_parts): Constify return type.
6920 (_fpmul_parts): Likewise.
6921 (_fpdiv_parts): Likewise.
6923 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6926 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6927 warn about overwriting initializer with side-effects or
6928 -Woverride-init if !IMPLICIT.
6929 (output_init_element): Likewise. Pass IMPLICIT down to
6931 (process_init_element): Add IMPLICIT argument. Pass it down
6932 to output_init_element.
6933 (push_init_element, pop_init_level, set_designator): Adjust
6934 process_init_element callers.
6935 (set_nonincremental_init, set_nonincremental_init_from_string):
6936 Adjust add_pending_init callers.
6937 (output_pending_init_elements): Adjust output_init_element callers.
6938 * c-tree.h (process_init_element): Adjust prototype.
6939 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6940 process_init_element callers.
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