1 2009-04-15 Michael Eager <eager@eagercon.com>
3 * config/rs6000/rs6000.c: rs6000_function_value: set function return
4 reg for single-precision FPU
5 * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
6 (movsi_internal1_single): New: add pattern to move SI values to/from
7 single-precision FP regs.
9 2009-04-15 Richard Guenther <rguenther@suse.de>
11 * omp-low.c (lower_rec_input_clauses): Build correct address
13 (expand_omp_for_generic): Fix multiplication type.
14 * tree-loop-distribution.c (build_size_arg): Build a
16 (generate_memset_zero): Fix types.
17 * tree-profile.c (prepare_instrumented_value): Correctly
20 2009-04-15 Ian Lance Taylor <iant@google.com>
22 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
23 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
24 for -Wall and for -Wc++-compat.
25 (c_common_post_options): For C++, set warn_enum_compare if not
27 * c-tree.h (struct c_expr): Add field original_type.
28 (build_external_ref): Update declaration.
29 * c-parser.c (c_parser_braced_init): Set original_type.
30 (c_parser_initelt): Likewise.
31 (c_parser_expr_no_commas): Likewise.
32 (c_parser_conditional_expression): Likewise.
33 (c_parser_cast_expression): Likewise.
34 (c_parser_unary_expression): Likewise. Pull setting of
35 original_code to top of function.
36 (c_parser_sizeof_expression): Set original_type.
37 (c_parser_alignof_expression): Likewise.
38 (c_parser_postfix_expression): Likewise. Pull setting of
39 original_code to top of function.
40 (c_parser_postfix_expression_after_paren_type): Set
42 (c_parser_postfix_expression_after_primary): Likewise.
43 (c_parser_expression): Likewise.
44 * c-typeck.c (build_external_ref): Add type parameter. Change all
46 (c_expr_sizeof_expr): Set original_type field.
47 (parser_build_unary_op): Likewise.
48 (parser_build_binary_op): Likewise. Optionally warn about
49 comparisons of enums of different types.
50 (digest_init): Set original_type field.
51 (really_start_incremental_init): Likewise.
52 (push_init_level, pop_init_level): Likewise.
53 * doc/invoke.texi (Warning Options): -Wenum-compare now
56 2009-04-15 Richard Guenther <rguenther@suse.de>
58 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
59 out a necessary conversion.
60 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
61 names we didn't value number.
62 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
64 2009-04-15 Richard Guenther <rguenther@suse.de>
66 PR tree-optimization/39764
67 * tree-ssa-ccp.c (get_value): Canonicalize value with
68 canonicalize_float_value.
70 2009-04-15 Jan Hubicka <jh@suse.cz>
72 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
73 Wrong version of patch.
75 2009-04-15 Jan Hubicka <jh@suse.cz>
77 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
79 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
81 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
82 our distinct integral and vector types.
84 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
86 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
87 * init.c (build_vtbl_address): Remove call to assemble_external.
89 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
91 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
92 output for other floating point modes.
94 2009-04-14 Diego Novillo <dnovillo@google.com>
96 * diagnostic.c (diagnostic_report_diagnostic): Do not
97 warn about loaded plugins for DK_ERROR and DK_WARNING.
98 * c-decl.c (declspecs_add_type): Move call to
99 invoke_plugin_callbacks ...
100 * c-parser.c (c_parser_declspecs): ... here.
101 * plugin.c (dump_active_plugins): Tidy output.
103 2009-04-14 Diego Novillo <dnovillo@google.com>
104 Le-Chun Wu <lcwu@google.com>
106 * configure.ac: Add --enable-plugin support.
107 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
108 * Makefile.in (PLUGIN_H): Define.
109 Export ENABLE_PLUGIN and GMPINC to site.exp.
110 Add PLUGINLIBS to link command.
111 Add/modify dependencies for plugin.o and files including plugin.h.
113 * config.in: Regenerate.
115 * opts.c (common_handle_option): Handle OPT_fplugin_ and
118 2009-04-14 Le-Chun Wu <lcwu@google.com>
120 * tree-pass.h (register_one_dump_file): Add a prototype for
121 register_one_dump_file.
122 * toplev.c (compile_file): Call initialize_plugins.
123 (do_compile): Call invoke_plugin_callbacks.
124 (toplev_main): Call invoke_plugin_callbacks.
125 * common.opt: Add -fplugin= and -fplugin-arg-.
126 * gcc-plugin.h: New public header file for plugins to include.
127 * plugin.c: New source file.
128 * plugin.h: New internal header file.
129 * passes.c (register_one_dump_file): Make it external.
131 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
133 2009-04-14 Diego Novillo <dnovillo@google.com>
135 * doc/plugins.texi: New.
136 * doc/gccint.texi: Add reference to Plugins chapter.
137 * doc/invoke.texi: Document -fplugin and -fplugin-arg
138 * diagnostic.c (diagnostic_report_diagnostic): Warn about
139 loaded plugins, if any.
140 * timevar.def (TV_PLUGIN_INIT): Define.
141 (TV_PLUGIN_RUN): Define.
142 * plugin.c: Include timevar.h
143 (plugins_active_p): New.
144 (dump_active_plugins): New.
145 (debug_active_plugins): New.
147 2009-04-14 Joseph Myers <joseph@codesourcery.com>
149 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
151 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
153 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
155 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
156 the same as a minus without a shift.
158 2009-04-14 Nick Clifton <nickc@redhat.com>
160 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
161 comparisons with small integers will always produce a short
164 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
168 2008-12-19 Diego Novillo <dnovillo@google.com>
170 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
172 2000-04-14 Richard Guenther <rguenther@suse.de>
174 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
176 (verify_gimple_assign_binary): Likewise. Handle shifts and
178 (verify_gimple_phi): Print the mismatched argument position.
179 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
181 (vect_update_init_of_dr): Likewise.
182 * matrix-reorg.c (transform_access_sites): Do what the
184 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
186 2009-04-13 Michael Eager <eager@eagercon.com>
188 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
189 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
190 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
191 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
192 remove duplicate config
194 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
196 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
197 file_name:line_number type locator of the call site.
199 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
201 * genautomata.c: Put blank after comma.
202 (automaton_decls): New.
203 (struct unit_usage): Add comments to member next.
204 (store_alt_unit_usage): Keep the list ordered.
205 (unit_present_on_list_p, equal_alternatives_p): New.
206 (check_regexp_units_distribution): Check units distribution
207 correctness correctly.
208 (main): Don't write automata if error is found. Return correct
211 * config/m68k/cf.md (cfv4_ds): Remove.
212 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
213 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
215 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
216 power4-load-ext, power4-store, power4-store-update,
217 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
218 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
219 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
220 power4-sqrt, power4-isync): Modify reservation to make correct
221 unit distribution to automata.
223 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
224 power5-store-update, power5-two, power5-three, power5-lmul,
225 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
227 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
229 * except.c (pass_set_nothrow_function_flags): Set name and add
231 (set_nothrow_function_flags): Mention in the dump file when
232 changing a function to nothrow.
234 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
237 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
238 instead of unsigned long.
240 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
242 * config/arm/arm.c (return_used_this_function): Remove.
243 (arm_output_function_prologue): Remove use of
244 return_used_this_function.
245 (output_return_instruction): Replace use of
246 return_used_this_function
247 by cfun->machine->return_used_this_function.
248 (arm_output_epilogue): Likewise.
249 (arm_output_function_epilogue): Likewise.
250 (thumb_unexpanded_epilogue): Likewise.
251 * config/arm/arm.h (struct machine_function):
252 New member return_used_this_function.
254 2009-04-12 Mark Mitchell <mark@codesourcery.com>
256 * doc/install.texi: Correct description of default directory for
257 --with-gxx-include-dir.
259 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
261 * fold-const.c (build_range_check): Properly deal with enumeral and
264 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
266 * doc/invoke.texi (max_gcse_passes): Remove documentation.
267 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
268 * params.h (MAX_GCSE_PASSES): Remove.
269 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
270 in sequence. Remove ability to run multiple passes.
271 (bypass_jumps): Report run as third CPROP pass.
273 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
276 * except.c (can_throw_external): Look at each insn in a SEQUENCE
277 when deciding whether the whole SEQUENCE can throw.
279 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
282 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
283 offseted label references.
285 2009-04-11 Jan Hubicka <jh@suse.cz>
287 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
289 2009-04-11 Richard Guenther <rguenther@suse.de>
292 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
293 return variables as TREE_ADDRESSABLE.
295 2009-04-11 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/39713
298 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
299 reference trees have SSA_NAME operands.
301 2009-04-11 Richard Guenther <rguenther@suse.de>
304 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
307 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
309 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
310 match changes in Cygwin 1.7
311 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
312 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
314 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
316 PR tree-optimization/39701
317 * doc/invoke.texi (Optimization Options): Document change in
318 meaning and initialization of -fdelete-null-pointer-checks.
320 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
323 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
325 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
328 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
330 2009-04-10 Chao-ying Fu <fu@mips.com>
332 * doc/tm.texi (Instruction Output): Document
333 TARGET_ASM_FINAL_POSTSCAN_INSN.
334 * target.h (final_postscan_insn): New field in asm_out.
335 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
336 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
337 * final.c (final_scan_insn): Call
338 targetm.asm_out.final_postscan_insn after outputting
339 an asm macro and a normal instruction.
341 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
342 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
343 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
344 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
345 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
347 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
350 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
351 variables as non-NULL even with -fdelete-null-pointer-checks.
353 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
355 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
357 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/i386.c (classify_argument): Handle SCmode with
361 (bit_offset % 64) != 0.
363 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
365 * doc/invoke.texi (Optimize Options): Add cross-reference to
366 -Q --help=optimizers examples.
368 2009-04-10 Ben Elliston <bje@au.ibm.com>
371 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
372 regalign for the reg == fpr and TDmode case.
374 2009-04-09 David Ayers <ayers@fsfe.org>
377 * objc/objc-act.c (warn_with_method): Remove helper function.
378 (check_duplicates): Call warning and inform directly.
379 (really_start_method): Likewise.
381 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
383 * expmed.c (expand_divmod): Always use a comparison for a division
384 by a large unsigned integer.
386 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
387 for things others than variables or functions as nonzero.
389 2009-04-09 Nick Clifton <nickc@redhat.com>
391 * unwind-compat.c: Change copyright header to refer to version
392 3 of the GNU General Public License with version 3.1 of the
393 GCC Runtime Library Exception and to point readers at the
394 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
395 * config/alpha/crtfastmath.c: Likewise.
396 * config/alpha/linux-unwind.h: Likewise.
397 * config/alpha/qrnnd.asm: Likewise.
398 * config/alpha/vms-crt0-64.c: Likewise.
399 * config/alpha/vms-crt0.c: Likewise.
400 * config/alpha/vms-dwarf2.asm: Likewise.
401 * config/alpha/vms-dwarf2eh.asm: Likewise.
402 * config/alpha/vms-psxcrt0-64.c: Likewise.
403 * config/alpha/vms-psxcrt0.c: Likewise.
404 * config/alpha/vms_tramp.asm: Likewise.
405 * config/arc/initfini.c: Likewise.
406 * config/arc/lib1funcs.asm: Likewise.
407 * config/arm/bpabi-v6m.S: Likewise.
408 * config/arm/bpabi.S: Likewise.
409 * config/arm/bpabi.c: Likewise.
410 * config/arm/crti.asm: Likewise.
411 * config/arm/crtn.asm: Likewise.
412 * config/arm/ieee754-df.S: Likewise.
413 * config/arm/ieee754-sf.S: Likewise.
414 * config/arm/lib1funcs.asm: Likewise.
415 * config/arm/libunwind.S: Likewise.
416 * config/arm/linux-atomic.c: Likewise.
417 * config/arm/mmintrin.h: Likewise.
418 * config/arm/pr-support.c: Likewise.
419 * config/arm/unaligned-funcs.c: Likewise.
420 * config/arm/unwind-arm.c: Likewise.
421 * config/arm/unwind-arm.h: Likewise.
422 * config/avr/libgcc.S: Likewise.
423 * config/bfin/crti.s: Likewise.
424 * config/bfin/crtlibid.s: Likewise.
425 * config/bfin/crtn.s: Likewise.
426 * config/bfin/lib1funcs.asm: Likewise.
427 * config/bfin/linux-unwind.h: Likewise.
428 * config/cris/arit.c: Likewise.
429 * config/cris/cris_abi_symbol.c: Likewise.
430 * config/darwin-64.c: Likewise.
431 * config/darwin-crt2.c: Likewise.
432 * config/darwin-crt3.c: Likewise.
433 * config/darwin.h: Likewise.
434 * config/dbxelf.h: Likewise.
435 * config/dfp-bit.c: Likewise.
436 * config/dfp-bit.h: Likewise.
437 * config/elfos.h: Likewise.
438 * config/fixed-bit.c: Likewise.
439 * config/fixed-bit.h: Likewise.
440 * config/fp-bit.c: Likewise.
441 * config/fp-bit.h: Likewise.
442 * config/fr30/crti.asm: Likewise.
443 * config/fr30/crtn.asm: Likewise.
444 * config/fr30/lib1funcs.asm: Likewise.
445 * config/freebsd-spec.h: Likewise.
446 * config/frv/cmovd.c: Likewise.
447 * config/frv/cmovh.c: Likewise.
448 * config/frv/cmovw.c: Likewise.
449 * config/frv/frvbegin.c: Likewise.
450 * config/frv/frvend.c: Likewise.
451 * config/frv/lib1funcs.asm: Likewise.
452 * config/glibc-stdint.h: Likewise.
453 * config/h8300/clzhi2.c: Likewise.
454 * config/h8300/crti.asm: Likewise.
455 * config/h8300/crtn.asm: Likewise.
456 * config/h8300/ctzhi2.c: Likewise.
457 * config/h8300/fixunssfsi.c: Likewise.
458 * config/h8300/lib1funcs.asm: Likewise.
459 * config/h8300/parityhi2.c: Likewise.
460 * config/h8300/popcounthi2.c: Likewise.
461 * config/i386/ammintrin.h: Likewise.
462 * config/i386/att.h: Likewise.
463 * config/i386/avxintrin.h: Likewise.
464 * config/i386/biarch64.h: Likewise.
465 * config/i386/bmmintrin.h: Likewise.
466 * config/i386/cpuid.h: Likewise.
467 * config/i386/cross-stdarg.h: Likewise.
468 * config/i386/crtfastmath.c: Likewise.
469 * config/i386/crtprec.c: Likewise.
470 * config/i386/cygming-crtbegin.c: Likewise.
471 * config/i386/cygming-crtend.c: Likewise.
472 * config/i386/cygwin.asm: Likewise.
473 * config/i386/emmintrin.h: Likewise.
474 * config/i386/gmm_malloc.h: Likewise.
475 * config/i386/gthr-win32.c: Likewise.
476 * config/i386/i386.h: Likewise.
477 * config/i386/immintrin.h: Likewise.
478 * config/i386/linux-unwind.h: Likewise.
479 * config/i386/linux64.h: Likewise.
480 * config/i386/mm3dnow.h: Likewise.
481 * config/i386/mmintrin-common.h: Likewise.
482 * config/i386/mmintrin.h: Likewise.
483 * config/i386/nmmintrin.h: Likewise.
484 * config/i386/pmm_malloc.h: Likewise.
485 * config/i386/pmmintrin.h: Likewise.
486 * config/i386/smmintrin.h: Likewise.
487 * config/i386/sol2-c1.asm: Likewise.
488 * config/i386/sol2-ci.asm: Likewise.
489 * config/i386/sol2-cn.asm: Likewise.
490 * config/i386/sol2-gc1.asm: Likewise.
491 * config/i386/tmmintrin.h: Likewise.
492 * config/i386/unix.h: Likewise.
493 * config/i386/w32-unwind.h: Likewise.
494 * config/i386/wmmintrin.h: Likewise.
495 * config/i386/x86-64.h: Likewise.
496 * config/i386/x86intrin.h: Likewise.
497 * config/i386/xmmintrin.h: Likewise.
498 * config/ia64/crtbegin.asm: Likewise.
499 * config/ia64/crtend.asm: Likewise.
500 * config/ia64/crtfastmath.c: Likewise.
501 * config/ia64/crti.asm: Likewise.
502 * config/ia64/crtn.asm: Likewise.
503 * config/ia64/fde-glibc.c: Likewise.
504 * config/ia64/lib1funcs.asm: Likewise.
505 * config/ia64/linux-unwind.h: Likewise.
506 * config/ia64/quadlib.c: Likewise.
507 * config/ia64/unwind-ia64.c: Likewise.
508 * config/linux.h: Likewise.
509 * config/m32c/m32c-lib1.S: Likewise.
510 * config/m32c/m32c-lib2-trapv.c: Likewise.
511 * config/m32c/m32c-lib2.c: Likewise.
512 * config/m32r/initfini.c: Likewise.
513 * config/m68hc11/larith.asm: Likewise.
514 * config/m68hc11/m68hc11-crt0.S: Likewise.
515 * config/m68k/cf.md: Likewise.
516 * config/m68k/crti.s: Likewise.
517 * config/m68k/crtn.s: Likewise.
518 * config/m68k/lb1sf68.asm: Likewise.
519 * config/m68k/linux-unwind.h: Likewise.
520 * config/mcore/crti.asm: Likewise.
521 * config/mcore/crtn.asm: Likewise.
522 * config/mcore/lib1.asm: Likewise.
523 * config/mips/linux-unwind.h: Likewise.
524 * config/mips/loongson.h: Likewise.
525 * config/mips/mips16.S: Likewise.
526 * config/mmix/crti.asm: Likewise.
527 * config/mmix/crtn.asm: Likewise.
528 * config/pa/fptr.c: Likewise.
529 * config/pa/hpux-unwind.h: Likewise.
530 * config/pa/lib2funcs.asm: Likewise.
531 * config/pa/linux-atomic.c: Likewise.
532 * config/pa/linux-unwind.h: Likewise.
533 * config/pa/milli64.S: Likewise.
534 * config/pa/quadlib.c: Likewise.
535 * config/pa/stublib.c: Likewise.
536 * config/picochip/libgccExtras/adddi3.asm: Likewise.
537 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
538 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
539 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
540 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
541 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
542 * config/picochip/libgccExtras/divmod15.asm: Likewise.
543 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
544 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
545 * config/picochip/libgccExtras/longjmp.asm: Likewise.
546 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
547 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
548 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
549 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
550 * config/picochip/libgccExtras/setjmp.asm: Likewise.
551 * config/picochip/libgccExtras/subdi3.asm: Likewise.
552 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
553 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
554 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
555 * config/rs6000/750cl.h: Likewise.
556 * config/rs6000/altivec.h: Likewise.
557 * config/rs6000/biarch64.h: Likewise.
558 * config/rs6000/crtresfpr.asm: Likewise.
559 * config/rs6000/crtresgpr.asm: Likewise.
560 * config/rs6000/crtresxfpr.asm: Likewise.
561 * config/rs6000/crtresxgpr.asm: Likewise.
562 * config/rs6000/crtsavfpr.asm: Likewise.
563 * config/rs6000/crtsavgpr.asm: Likewise.
564 * config/rs6000/darwin-asm.h: Likewise.
565 * config/rs6000/darwin-fallback.c: Likewise.
566 * config/rs6000/darwin-fpsave.asm: Likewise.
567 * config/rs6000/darwin-ldouble.c: Likewise.
568 * config/rs6000/darwin-tramp.asm: Likewise.
569 * config/rs6000/darwin-unwind.h: Likewise.
570 * config/rs6000/darwin-vecsave.asm: Likewise.
571 * config/rs6000/darwin-world.asm: Likewise.
572 * config/rs6000/e500crtres32gpr.asm: Likewise.
573 * config/rs6000/e500crtres64gpr.asm: Likewise.
574 * config/rs6000/e500crtres64gprctr.asm: Likewise.
575 * config/rs6000/e500crtrest32gpr.asm: Likewise.
576 * config/rs6000/e500crtrest64gpr.asm: Likewise.
577 * config/rs6000/e500crtresx32gpr.asm: Likewise.
578 * config/rs6000/e500crtresx64gpr.asm: Likewise.
579 * config/rs6000/e500crtsav32gpr.asm: Likewise.
580 * config/rs6000/e500crtsav64gpr.asm: Likewise.
581 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
582 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
583 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
584 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
585 * config/rs6000/eabi-ci.asm: Likewise.
586 * config/rs6000/eabi-cn.asm: Likewise.
587 * config/rs6000/eabi.asm: Likewise.
588 * config/rs6000/linux-unwind.h: Likewise.
589 * config/rs6000/linux64.h: Likewise.
590 * config/rs6000/paired.h: Likewise.
591 * config/rs6000/paired.md: Likewise.
592 * config/rs6000/ppc64-fp.c: Likewise.
593 * config/rs6000/ppu_intrinsics.h: Likewise.
594 * config/rs6000/rs6000.h: Likewise.
595 * config/rs6000/si2vmx.h: Likewise.
596 * config/rs6000/sol-ci.asm: Likewise.
597 * config/rs6000/sol-cn.asm: Likewise.
598 * config/rs6000/spe.h: Likewise.
599 * config/rs6000/spu2vmx.h: Likewise.
600 * config/rs6000/sysv4.h: Likewise.
601 * config/rs6000/tramp.asm: Likewise.
602 * config/rs6000/vec_types.h: Likewise.
603 * config/s390/linux-unwind.h: Likewise.
604 * config/s390/tpf-unwind.h: Likewise.
605 * config/score/crti.asm: Likewise.
606 * config/score/crtn.asm: Likewise.
607 * config/sh/crt1.asm: Likewise.
608 * config/sh/crti.asm: Likewise.
609 * config/sh/crtn.asm: Likewise.
610 * config/sh/divtab-sh4-300.c: Likewise.
611 * config/sh/divtab-sh4.c: Likewise.
612 * config/sh/divtab.c: Likewise.
613 * config/sh/lib1funcs-4-300.asm: Likewise.
614 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
615 * config/sh/lib1funcs.asm: Likewise.
616 * config/sh/lib1funcs.h: Likewise.
617 * config/sh/linux-atomic.asm: Likewise.
618 * config/sh/linux-unwind.h: Likewise.
619 * config/sh/shmedia.h: Likewise.
620 * config/sh/sshmedia.h: Likewise.
621 * config/sh/ushmedia.h: Likewise.
622 * config/sparc/crtfastmath.c: Likewise.
623 * config/sparc/linux-unwind.h: Likewise.
624 * config/sparc/sol2-c1.asm: Likewise.
625 * config/sparc/sol2-ci.asm: Likewise.
626 * config/sparc/sol2-cn.asm: Likewise.
627 * config/spu/divmodti4.c: Likewise.
628 * config/spu/divv2df3.c: Likewise.
629 * config/spu/float_disf.c: Likewise.
630 * config/spu/float_unsdidf.c: Likewise.
631 * config/spu/float_unsdisf.c: Likewise.
632 * config/spu/float_unssidf.c: Likewise.
633 * config/spu/mfc_multi_tag_release.c: Likewise.
634 * config/spu/mfc_multi_tag_reserve.c: Likewise.
635 * config/spu/mfc_tag_release.c: Likewise.
636 * config/spu/mfc_tag_reserve.c: Likewise.
637 * config/spu/mfc_tag_table.c: Likewise.
638 * config/spu/multi3.c: Likewise.
639 * config/spu/spu_internals.h: Likewise.
640 * config/spu/spu_intrinsics.h: Likewise.
641 * config/spu/spu_mfcio.h: Likewise.
642 * config/spu/vec_types.h: Likewise.
643 * config/spu/vmx2spu.h: Likewise.
644 * config/stormy16/stormy16-lib2.c: Likewise.
645 * config/svr4.h: Likewise.
646 * config/sync.c: Likewise.
647 * config/v850/lib1funcs.asm: Likewise.
648 * config/vxlib-tls.c: Likewise.
649 * config/vxlib.c: Likewise.
650 * config/vxworks-dummy.h: Likewise.
651 * config/xtensa/crti.asm: Likewise.
652 * config/xtensa/crtn.asm: Likewise.
653 * config/xtensa/ieee754-df.S: Likewise.
654 * config/xtensa/ieee754-sf.S: Likewise.
655 * config/xtensa/lib1funcs.asm: Likewise.
656 * config/xtensa/lib2funcs.S: Likewise.
657 * config/xtensa/linux-unwind.h: Likewise.
658 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
659 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
660 * coretypes.h: Likewise.
661 * crtstuff.c: Likewise.
662 * defaults.h: Likewise.
663 * dwarf2.h: Likewise.
664 * emutls.c: Likewise.
665 * gbl-ctors.h: Likewise.
666 * gcov-io.h: Likewise.
667 * ginclude/float.h: Likewise.
668 * ginclude/iso646.h: Likewise.
669 * ginclude/stdarg.h: Likewise.
670 * ginclude/stdbool.h: Likewise.
671 * ginclude/stddef.h: Likewise.
672 * ginclude/stdfix.h: Likewise.
673 * ginclude/stdint-gcc.h: Likewise.
674 * ginclude/tgmath.h: Likewise.
675 * gthr-aix.h: Likewise.
676 * gthr-dce.h: Likewise.
677 * gthr-gnat.c: Likewise.
678 * gthr-gnat.h: Likewise.
679 * gthr-lynx.h: Likewise.
680 * gthr-mipssde.h: Likewise.
681 * gthr-nks.h: Likewise.
682 * gthr-posix.c: Likewise.
683 * gthr-posix.h: Likewise.
684 * gthr-posix95.h: Likewise.
685 * gthr-rtems.h: Likewise.
686 * gthr-single.h: Likewise.
687 * gthr-solaris.h: Likewise.
688 * gthr-tpf.h: Likewise.
689 * gthr-vxworks.h: Likewise.
690 * gthr-win32.h: Likewise.
692 * libgcc2.c: Likewise.
693 * libgcc2.h: Likewise.
694 * libgcov.c: Likewise.
695 * tsystem.h: Likewise.
696 * typeclass.h: Likewise.
697 * unwind-c.c: Likewise.
698 * unwind-compat.h: Likewise.
699 * unwind-dw2-fde-compat.c: Likewise.
700 * unwind-dw2-fde-darwin.c: Likewise.
701 * unwind-dw2-fde-glibc.c: Likewise.
702 * unwind-dw2-fde.c: Likewise.
703 * unwind-dw2-fde.h: Likewise.
704 * unwind-dw2.c: Likewise.
705 * unwind-dw2.h: Likewise.
706 * unwind-generic.h: Likewise.
707 * unwind-pe.h: Likewise.
708 * unwind-sjlj.c: Likewise.
709 * unwind.inc: Likewise.
710 * config/arm/neon-gen.ml: Change generated copyright header to
711 refer to version 3 of the GNU General Public License with
712 version 3.1 of the GCC Runtime Library Exception and to point
713 readers at the COPYING3 and COPYING3.RUNTIME files and the
714 FSF's license web page.
715 * config/arm/arm_neon.h: Regenerate.
717 2009-04-09 Jakub Jelinek <jakub@redhat.com>
719 * config/cris/cris.md: Change copyright header to refer to version
720 3 of the GNU General Public License.
721 * doc/install.texi2html: Change copyright header to refer to version
722 3 of the GNU General Public License and to point readers at the
723 COPYING3 file and the FSF's license web page.
724 * config/vax/linux.h: Likewise.
726 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
728 * config/i386/i386.md (cmpcc): New.
729 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
730 (sync_compare_and_swap_cc*): Delete.
732 * config/s390/s390.c (s390_compare_emitted): Remove.
733 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
734 s390_compare_emitted used to be handled. Assert that modes match.
735 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
736 refer to sync_compare_and_swap_ccsi.
737 * config/s390/s390.h (s390_compare_emitted): Remove.
738 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
739 instead of s390_compare_emitted.
740 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
741 instead of s390_compare_emitted.
742 * config/s390/s390.md (cmpcc): New.
743 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
744 CC_REGNUM, do not pretend it's set.
745 (sync_compare_and_swap_cc*): Delete.
746 * config/s390/predicates.md (cc_reg_operand): New.
748 * expr.c (sync_compare_and_swap_cc): Delete.
749 * optabs.h (sync_compare_and_swap_cc): Delete.
750 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
751 is being used with can_compare_p.
752 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
754 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
755 look for a MODE_CC set instead. Use emit_store_flag.
756 (expand_compare_and_swap_loop): Likewise, with some additional
757 complication to avoid a force_reg when useless. Use
758 emit_cmp_and_jump_insns.
759 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
760 * doc/md.texi (sync_compare_and_swap_cc): Merge with
761 sync_compare_and_swap documentation.
763 2009-04-09 Jan Hubicka <jh@suse.cz>
765 * except.c (find_prev_try): Break out from ....
766 (duplicate_eh_regions): ... here; properly update prev_try pointers
767 when duplication part of tree.
768 (dump_eh_tree): Improve dumping.
769 (verify_eh_region): New.
770 (verify_eh_tree): Use it.
772 2009-04-06 Richard Guenther <rguenther@suse.de>
774 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
775 &ARRAY addresses by adjusting their types and prepending
777 * tree-cfg.c (verify_gimple_assign_single): Verify that
778 addresses are correct.
780 2009-04-09 Richard Guenther <rguenther@suse.de>
782 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
783 indices into an array reference if possible.
784 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
785 Fold POINTER_PLUS_EXPR statements with invariant address.
787 2009-04-09 Alan Modra <amodra@bigpond.net.au>
790 * config.gcc (powerpc64-*-linux*): Always build biarch.
792 2009-04-09 Joseph Myers <joseph@codesourcery.com>
795 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
796 it and pedwarn if this results in an INTEGER_CST.
798 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
800 * doc/install.texi: Update minimum GMP version. Remove obsolete
801 text in MPFR section.
803 2009-04-08 Jakub Jelinek <jakub@redhat.com>
805 * dwarf2out.c (class_scope_p): New static inline.
806 (class_or_namespace_scope_p): Use it.
807 (gen_variable_die): Use DW_TAG_member tag for static data member
808 declarations instead of DW_TAG_variable.
811 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
814 2009-04-08 Richard Guenther <rguenther@suse.de>
816 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
817 valueize random data.
819 2009-04-08 David Edelsohn <edelsohn@gnu.org>
821 * config.gcc (aix tm_file): Add aix-stdint.h.
822 (aix tm clause use_gcc_stdint): Set to wrap.
823 * config/rs6000/aix-stdint.h: New file.
825 2009-04-08 Richard Guenther <rguenther@suse.de>
828 * tree-dfa.c (add_referenced_var): Do not recurse into
830 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
832 (fold_const_aggregate_ref): Likewise.
834 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
836 * recog.c (ordered_comparison_operator): New.
837 * gensupport.c (std_preds): Add it.
838 * doc/md.texi (Machine-Independent Predicates): Document it.
840 2009-04-08 Jan Hubicka <jh@suse.cz>
842 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
843 * function.h (rtl_eh): Remove exception_handler_label_map.
844 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
845 remove_exception_handler_label, for_each_eh_label_1): Remove.
846 (rtl_remove_unreachable_regions): Remove.
847 (convert_from_eh_region_ranges): Do not remove unreachable regions.
848 (find_exception_handler_labels): Don't build the hashtable.
849 (maybe_remove_eh_handler): Remove.
850 (for_each_eh_label): Rewrite to walk the tree.
851 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
852 * except.h (maybe_remove_eh_handler): Remove.
853 * passes.c (init_optimization_passes): Schedule second EH cleanup
855 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
856 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
858 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
860 * genoutput.c (validate_optab_operands): New.
861 (gen_insn, gen_expand): Call it.
863 * genflags.c (gen_insn): Detect misused iterators.
864 (main): Pass line_no to gen_insn, exit with status 1 on error.
866 * genextract.c (line_no): Make global.
867 (VEC_safe_set_locstr): Change assertion to error message.
868 (main): Exit with status 1 on error.
870 2009-04-08 Joseph Myers <joseph@codesourcery.com>
874 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
875 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
876 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
877 * c-convert.c (convert): Do not call fold on results of conversion
878 functions when the result is a C_MAYBE_CONST_EXPR.
879 * c-parser.c (c_parser_postfix_expression): Do not fold condition
880 of __builtin_choose_expr.
881 * c-typeck.c (remove_c_maybe_const_expr): New.
882 (build_unary_op, build_conditional_expr, build_compound_expr,
883 build_binary_op, c_objc_common_truthvalue_conversion): Call
884 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
887 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
889 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
890 CODE to produce a new one. Add a prototype to use fold_convert_const
892 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
895 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
896 mix declarations and code.
898 2009-04-08 Ben Elliston <bje@au.ibm.com>
900 * gcc.c: Replace `CC' with `GCC' throughout.
902 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
904 * doc/invoke.texi: Document Atom support.
906 2009-04-07 Jason Merrill <jason@redhat.com>
909 * c-common.h, c-common.c: Add flag_pretty_templates.
910 * c-opts.c (c_common_handle_option): Set it.
911 * c.opt: Add -fno-pretty-templates.
912 * doc/invoke.texi (C++ Dialect Options): Likewise.
914 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
916 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
917 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
918 (ia64_expand_builtin): Likewise.
920 2009-04-07 Martin Jambor <mjambor@suse.cz>
922 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
923 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
924 ADDR_EXPRS are include too.
926 2009-04-07 Richard Guenther <rguenther@suse.de>
928 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
929 decls are only used if passes as parameters or if they are
930 local statics and the call is not to a builtin.
931 (call_may_clobber_ref_p_1): Likewise.
933 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
935 * expr.c (do_store_flag): Remove last argument. Simplify code
936 to avoid duplication of tests already done by can_compare_p.
937 (expand_expr_real_1): Adjust caller.
939 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
941 * optabs.c (can_compare_p): Test the predicate of a
942 cbranch and cstore pattern.
944 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
946 * expr.c (convert_move): Use emit_store_flag instead of
949 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
951 * config/i386/i386.c (ix86_compare_emitted): Remove.
952 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
953 ix86_compare_op0 like ix86_compare_emitted used to be handled.
954 * config/i386/i386.h (ix86_compare_emitted): Remove.
955 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
956 instead of ix86_compare_emitted.
957 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
959 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
961 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
962 Add t-sysroot-suffix to tmake_file.
963 * config/print-sysroot-suffix.sh: New file.
964 * config/t-sysroot-suffix: New file.
966 2009-04-07 Ben Elliston <bje@au.ibm.com>
968 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
969 as the latter produces a warning when the target does not support
972 2009-04-07 Ben Elliston <bje@au.ibm.com>
974 * dfp.c: Replace type punning assignments with memcpy throughout.
975 * Makefile.in (dfp.o-warn): Remove.
977 2009-04-07 Alan Modra <amodra@bigpond.net.au>
980 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
981 Include soft-fp/t-softfp after rs6000/t-linux64.
983 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
985 * stor-layout.c (set_sizetype): Use the full precision of their
986 machine mode for bitsize types.
988 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
990 * config/i386/i386.md: Revert 2 accidental checkins.
992 2009-04-06 Joey Ye <joey.ye@intel.com>
993 Xuepeng Guo <xuepeng.guo@intel.com>
994 H.J. Lu <hongjiu.lu@intel.com>
996 Atom pipeline model, tuning and insn selection.
997 * config.gcc (atom): Add atom config options and target.
999 * config/i386/atom.md: New.
1001 * config/i386/i386.c (atom_cost): New cost.
1002 (m_ATOM): New macro flag.
1003 (initial_ix86_tune_features): Set m_ATOM.
1004 (x86_accumulate_outgoing_args): Likewise.
1005 (x86_arch_always_fancy_math_387): Likewise.
1006 (processor_target): Add Atom cost.
1007 (cpu_names): Add Atom cpu name.
1008 (override_options): Set Atom ISA.
1009 (ix86_issue_rate): New case PROCESSOR_ATOM.
1010 (ix86_adjust_cost): Likewise.
1012 * config/i386/i386.h (TARGET_ATOM): New target macro.
1013 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1014 (TARGET_OPT_AGU): New target option.
1015 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1016 (processor_type): Add PROCESSOR_ATOM.
1018 * config/i386/i386.md (cpu): Add new value "atom".
1019 (use_carry, movu): New attr.
1020 (atom.md): Include atom.md.
1021 (adddi3_carry_rex64): Set attr "use_carry".
1022 (addqi3_carry): Likewise.
1023 (addhi3_carry): Likewise.
1024 (addsi3_carry): Likewise.
1025 (*addsi3_carry_zext): Likewise.
1026 (subdi3_carry_rex64): Likewise.
1027 (subqi3_carry): Likewise.
1028 (subhi3_carry): Likewise.
1029 (subsi3_carry): Likewise.
1030 (x86_movdicc_0_m1_rex64): Likewise.
1031 (*x86_movdicc_0_m1_se): Likewise.
1032 (x86_movsicc_0_m1): Likewise.
1033 (*x86_movsicc_0_m1_se): Likewise.
1034 (*adddi_1_rex64): Emit add insn as much as possible.
1035 (*addsi_1): Likewise.
1036 (return_internal): Set atom_unit.
1037 (return_internal_long): Likewise.
1038 (return_pop_internal): Likewise.
1039 (*rcpsf2_sse): Set atom_sse_attr attr.
1040 (*qrt<mode>2_sse): Likewise.
1041 (*prefetch_sse): Likewise.
1043 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1045 (ix86_target_macros_internal): Likewise.
1047 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1048 (*prefetch_sse_rex): Likewise.
1049 (sse_rcpv4sf2): Likewise.
1050 (sse_vmrcpv4sf2): Likewise.
1051 (sse_sqrtv4sf2): Likewise.
1052 (<sse>_vmsqrt<mode>2): Likewise.
1053 (sse_ldmxcsr): Likewise.
1054 (sse_stmxcsr): Likewise.
1055 (*sse_sfence): Likewise.
1056 (sse2_clflush): Likewise.
1057 (*sse2_mfence): Likewise.
1058 (*sse2_lfence): Likewise.
1059 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1060 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1061 (avx_movdqu<avxmodesuffix>): Likewise.
1062 (avx_lddqu<avxmodesuffix>): Likewise.
1063 (sse2_movntv2di): Change attr "type" to "ssemov".
1064 (sse2_movntsi): Likewise.
1065 (rsqrtv8sf2): Change attr "type" to "sseadd".
1066 (sse3_addsubv2df3): Set attr "atom_unit".
1067 (sse3_h<plusminus_insn>v4sf3): Likewise.
1068 (*sse2_pmaddwd): Likewise.
1069 (*vec_extractv2di_1_rex64): Likewise.
1070 (*vec_extractv2di_1_avx): Likewise.
1071 (sse2_psadbw): Likewise.
1072 (ssse3_phaddwv8hi3): Likewise.
1073 (ssse3_phaddwv4hi3): Likewise.
1074 (ssse3_phadddv4si3): Likewise.
1075 (ssse3_phadddv2si3): Likewise.
1076 (ssse3_phaddswv8hi3): Likewise.
1077 (ssse3_phaddswv4hi3): Likewise.
1078 (ssse3_phsubwv8hi3): Likewise.
1079 (ssse3_phsubwv4hi3): Likewise.
1080 (ssse3_phsubdv4si3): Likewise.
1081 (ssse3_phsubdv2si3): Likewise.
1082 (ssse3_phsubswv8hi3): Likewise.
1083 (ssse3_phsubswv4hi3): Likewise.
1084 (ssse3_pmaddubsw128): Likewise.
1085 (sse3_pmaddubsw: Likewise.
1086 (ssse3_palignrti): Likewise.
1087 (ssse3_palignrdi): Likewise.
1089 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1091 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1093 2009-04-06 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/28868
1096 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1097 of which PHI results we inserted.
1098 (insert_into_preds_of_block): Record inserted PHIs.
1099 (eliminate): Eliminate redundant PHI nodes.
1100 (init_pre): Init inserted_phi_names.
1102 2009-04-06 Richard Guenther <rguenther@suse.de>
1104 PR tree-optimization/39643
1105 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1106 IMAGPART_EXPRs of complex constants.
1107 (execute_fold_all_builtins): If we folded a call queue
1108 TODO_update_address_taken.
1110 2009-04-06 Jan Hubicka <jh@suse.cz>
1113 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1116 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1118 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1120 (ic_invalidate_array): Likewise.
1122 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1124 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1125 alignment for library calls.
1127 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1129 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1130 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1131 * config/i386/mingw-stdint.h: New file.
1133 2009-04-05 Richard Guenther <rguenther@suse.de>
1135 PR tree-optimization/39648
1136 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1137 our &A vs. &A[0] IL deficiencies.
1139 2009-04-04 Jan Hubicka <jh@suse.cz>
1141 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1142 removed toplevel regions.
1143 (sjlj_mark_call_sites): Likewise.
1145 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1147 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1148 (cygwin tm clause use_gcc_stdint): Set to wrap.
1149 * config/i386/cygwin-stdint.h: New file.
1151 2009-04-04 Richard Guenther <rguenther@suse.de>
1153 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1154 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1155 single-argument PHIs if we are in loop-closed SSA form.
1156 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1157 for the pre-condition.
1158 (slpeel_tree_peel_loop_to_edge): Likewise.
1159 (vect_build_loop_niters): Take an optional sequence to append stmts.
1160 (vect_generate_tmps_on_preheader): Likewise.
1161 (vect_do_peeling_for_loop_bound): Take extra guards for the
1163 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1164 the cost model check.
1165 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1166 guards if we are going to peel. Do not apply versioning in that case.
1167 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1168 (vect_do_peeling_for_loop_bound): Likewise.
1169 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1170 loop bound only record extra pre-conditions, do not apply loop
1173 2009-04-04 Richard Guenther <rguenther@suse.de>
1175 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1178 2009-04-04 Jan Hubicka <jh@suse.cz>
1180 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1181 last_basic_block for size of bb->index indexed array.
1182 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1183 compute_out, link_btr_uses, build_btr_def_use_webs,
1184 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1186 2009-04-04 Jan Hubicka <jh@suse.cz>
1188 * except.c (remove_eh_handler_and_replace): Break out from ...
1189 (remove_eh_handler): ... here.
1190 (bring_to_root): New function.
1191 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1192 handled ones, bring others to root of tree.
1194 2009-04-04 Jan Hubicka <jh@suse.cz>
1196 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1197 (all_phis_safe_to_merge): New function.
1198 (update_info): New structure.
1199 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1200 (cleanup_empty_eh): Update SSA if possible.
1202 2009-04-04 Richard Guenther <rguenther@suse.de>
1204 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1205 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1206 (append_vuse): Likewise.
1208 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1210 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1211 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1212 instead of REG_UNSAVED for DW_CFA_undefined.
1213 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1214 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1217 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1220 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1221 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1222 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1224 2009-04-04 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/8781
1227 PR tree-optimization/37892
1228 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1229 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1230 (valueize_refs): Call it for *& valueizations.
1231 (shared_reference_ops_from_ref): Rename to ...
1232 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1233 (shared_reference_ops_from_call): Rename to ...
1234 (valueize_shared_reference_ops_from_call): ... this and valueize.
1235 (vn_reference_lookup): Update.
1236 (visit_reference_op_call): Likewise.
1237 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1238 (eliminate): Value-replace the call address in call statements.
1240 2009-04-04 Richard Guenther <rguenther@suse.de>
1242 PR tree-optimization/39636
1243 * tree-ssa-forwprop.c
1244 (forward_propagate_addr_into_variable_array_index): Check for
1245 GIMPLE_ASSIGN before accessing the rhs code.
1247 2009-04-03 Jason Merrill <jason@redhat.com>
1249 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1251 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1253 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1254 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1255 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1256 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1257 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1258 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1259 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1260 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1261 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1262 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1263 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1264 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1265 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1266 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1267 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1268 Use fr_reg_or_fp01_operand instead of fr_register_operand
1270 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1271 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1272 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1274 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1276 PR rtl-optimization/39607
1277 PR rtl-optimization/39631
1281 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1282 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1283 instead of DF_LR_OUT.
1284 * ira-lives.c (process_bb_node_lives): Ditto.
1285 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1286 instead of DF_LR_{OUT,IN}.
1287 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1288 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1290 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1292 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1293 (execute_lower_omp): Always run but take the short way out if -fopenmp
1295 (gate_lower_omp): Remove, forcing the pass manager to always run the
1296 pass and always set PROP_gimple_lomp.
1297 (pass_lower_omp): Remove gate function.
1298 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1299 PROP_trees. Instead, require it.
1300 * ipa-cp.c (pass_ipa_cp): Likewise.
1301 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1302 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1303 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1304 and PROP_gimple_leh.
1306 2009-04-03 Richard Guenther <rguenther@suse.de>
1309 PR tree-optimization/23940
1310 PR tree-optimization/33237
1313 PR tree-optimization/36201
1314 PR tree-optimization/36230
1315 PR tree-optimization/38049
1316 PR tree-optimization/38207
1317 PR tree-optimization/38230
1318 PR tree-optimization/38301
1319 PR tree-optimization/38585
1321 PR tree-optimization/38985
1322 PR tree-optimization/39299
1323 * tree-ssa-structalias.h: Remove.
1324 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1325 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1326 (struct vuse_element_d): Remove.
1327 (struct vuse_vec_d): Likewise.
1328 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1329 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1330 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1331 VUSE_ELEMENT_VAR): Likewise.
1332 (struct voptype_d): Likewise.
1333 (NUM_VOP_FREE_BUCKETS): Likewise.
1334 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1335 (struct stmt_operands_d): Remove.
1336 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1337 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1338 VDEF_NUM, VDEF_VECT): Likewise.
1339 (copy_virtual_operands): Remove.
1340 (operand_build_cmp): Likewise.
1341 (create_ssa_artificial_load_stmt): Likewise.
1342 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1343 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1344 vuse_index and mayuse_index members. Pack and move done and iter_type
1345 members to the front.
1346 (SSA_OP_VMAYUSE): Remove.
1347 (SSA_OP_VIRTUAL_USES): Adjust.
1348 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1349 (unlink_stmt_vdef): Declare.
1350 (add_to_addressable_set): Remove.
1351 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1352 (vrp_visit_stmt): Likewise.
1353 * doc/tree-ssa.texi (Alias analysis): Update.
1354 * doc/invoke.texi (max-aliased-vops): Remove docs.
1355 (avg-aliased-vops): Likewise.
1356 * tree-into-ssa.c (syms_to_rename): Remove.
1357 (need_to_update_vops_p): Likewise.
1358 (need_to_initialize_update_ssa_p): Rename to ...
1359 (update_ssa_initialized_fn): ... this. Track function we are
1361 (symbol_marked_for_renaming): Simplify.
1362 (add_new_name_mapping): Do not set need_to_update_vops_p.
1363 (dump_currdefs): Use SYMS_TO_RENAME.
1364 (rewrite_update_stmt): Always walk all uses/defs.
1365 (dump_update_ssa): Adjust.
1366 (init_update_ssa): Take function argument. Track what we are
1368 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1369 (create_new_def_for): Initialize for cfun, assert we are initialized
1371 (mark_sym_for_renaming): Simplify.
1372 (mark_set_for_renaming): Do not initialize update-ssa.
1373 (need_ssa_update_p): Simplify. Take function argument.
1374 (name_mappings_registered_p): Assert we ask for the correct function.
1375 (name_registered_for_update_p): Likewise.
1376 (ssa_names_to_replace): Likewise.
1377 (release_ssa_name_after_update_ssa): Likewise.
1378 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1379 (dump_decl_set): Do not print a newline.
1380 (debug_decl_set): Do it here.
1381 (dump_update_ssa): And here.
1382 * tree-ssa-loop-im.c (move_computations): Adjust.
1383 (movement_possibility): Likewise.
1384 (determine_max_movement): Likewise.
1385 (gather_mem_refs_stmt): Likewise.
1386 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1388 * tree-complex.c (update_all_vops): Remove.
1389 (expand_complex_move): Adjust.
1390 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1391 Simplify test for memory referencing statement. Exclude
1392 non-invariant ADDR_EXPRs.
1393 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1394 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1395 (rdg_flag_uses): Likewise.
1396 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1398 (tree_optimize_tail_calls_1): Also split the
1399 edge from the entry block if we have degenerate PHI nodes in
1400 the first basic block.
1401 * tree.c (init_ttree): Remove memory-tag related code.
1402 (tree_code_size): Likewise.
1403 (tree_node_structure): Likewise.
1404 (build7_stat): Re-write to be build6_stat.
1405 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1406 (SSA_VAR_P): Adjust.
1407 (struct tree_memory_tag): Remove.
1408 (struct tree_memory_partition_tag): Likewise.
1409 (union tree_node): Adjust.
1410 (build7): Re-write to be build6.
1411 * tree-pass.h (pass_reset_cc_flags): Remove.
1412 (TODO_update_address_taken): New flag.
1413 (pass_simple_dse): Remove.
1414 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1415 * params.h (MAX_ALIASED_VOPS): Remove.
1416 (AVG_ALIASED_VOPS): Likewise.
1417 * omp-low.c (expand_omp_taskreg): Update SSA form.
1418 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1419 aliases the lhs in a copy stmt.
1420 * tree-ssa-dse.c (struct address_walk_data): Remove.
1421 (memory_ssa_name_same): Likewise.
1422 (memory_address_same): Likewise.
1423 (get_kill_of_stmt_lhs): Likewise.
1424 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1425 unused stores. Look through PHI nodes into post-dominated regions.
1426 (dse_optimize_stmt): Simplify. Properly remove stores.
1427 (tree_ssa_dse): Compute dominators.
1428 (execute_simple_dse): Remove.
1429 (pass_simple_dse): Likewise.
1430 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1431 gimple_loaded_syms and gimple_stored_syms computation.
1432 * toplev.c (dump_memory_report): Dump alias and pta stats.
1433 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1434 (vn_reference_eq): Likewise.
1435 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1436 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1437 valueize_vuses): Remove.
1438 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1439 (get_def_ref_stmt_vuse): ... this.
1440 (vn_reference_lookup_2): New function.
1441 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1442 walking equivalent vuses. Simplify.
1443 (vn_reference_lookup): Likewise.
1444 (vn_reference_insert): Likewise.
1445 (vn_reference_insert_pieces): Likewise.
1446 (visit_reference_op_call): Simplify.
1447 (visit_reference_op_load): Likewise.
1448 (visit_reference_op_store): Likewise.
1449 (init_scc_vn): Remove shared_lookup_vuses initialization.
1450 (free_scc_vn): Remove shared_lookup_vuses freeing.
1451 (sort_vuses, sort_vuses_heap): Remove.
1452 (get_ref_from_reference_ops): Export.
1453 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1454 vector with single vuse pointer.
1455 (vn_reference_lookup_pieces, vn_reference_lookup,
1456 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1457 (shared_vuses_from_stmt): Remove.
1458 (get_ref_from_reference_ops): Declare.
1459 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1460 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1461 memory-tag related code.
1462 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1463 (likely_value): Add comment, skip static-chain of call statements.
1464 (surely_varying_stmt_p): Adjust.
1465 (gimplify_and_update_call_from_tree): Likewise.
1466 (execute_fold_all_builtins): Do not rebuild alias info.
1467 (gimplify_and_update_call_from_tree): Properly update VOPs.
1468 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1469 (copy_ref_info): Remove memory-tag related code.
1470 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1471 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1472 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1474 * tree-ssa-dom.c (gimple_p): Remove typedef.
1475 (eliminate_redundant_computations): Adjust.
1476 (record_equivalences_from_stmt): Likewise.
1477 (avail_expr_hash): Likewise.
1478 (avail_expr_eq): Likewise.
1479 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1480 (stmt_makes_single_load): Likewise.
1481 (stmt_makes_single_store): Likewise.
1482 * tree-ssa-alias.c: Rewrite completely.
1483 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1484 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1485 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1486 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1487 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1488 Remove public functions.
1489 (pass_reset_cc_flags): Remove.
1490 (pass_build_alias): Move ...
1491 * tree-ssa-structalias.c (pass_build_alias): ... here.
1492 * tree-ssa-alias.c (may_be_aliased): Move ...
1493 * tree-flow-inline.h (may_be_aliased): ... here.
1494 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1495 count_uses_and_derefs): Move ...
1496 * gimple.c: ... here.
1497 * gimple.h (count_uses_and_derefs): Declare.
1498 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1499 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1500 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1501 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1502 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1503 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1504 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1506 * tree-dfa.c (refs_may_alias_p): Move ...
1507 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1508 * tree-ssa-alias.h: New file.
1509 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1510 (statement_sink_location): Likewise.
1511 * opts.c (decode_options): Do not adjust max-aliased-vops or
1512 avg-aliased-vops values.
1513 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1514 (TV_CALL_CLOBBER): Likewise.
1515 (TV_FLOW_SENSITIVE): Likewise.
1516 (TV_FLOW_INSENSITIVE): Likewise.
1517 (TV_MEMORY_PARTITIONING): Likewise.
1518 (TV_ALIAS_STMT_WALK): New timevar.
1519 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1520 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1521 (get_address_description): Remove memory-tag related code.
1522 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1523 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1524 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1525 and immediate uses in statements. Document.
1526 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1527 (dump_symbols): Remove.
1528 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1529 * alias.c (get_deref_alias_set): New function split out from ...
1530 (get_alias_set): ... here.
1531 * alias.h (get_deref_alias_set): Declare.
1532 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1533 type parameter. Remove restrict pointer handling. Create a
1534 ref-all pointer in case type-based alias sets do not conflict.
1535 (vect_analyze_data_refs): Remove SMT related code.
1536 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1537 (vectorizable_load): Likewise.
1538 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1539 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1540 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1541 Ignore vops and SMTs.
1542 (dr_analyze_alias): Likewise..
1543 (free_data_ref): Likewise.
1544 (create_data_ref): Likewise.
1545 (analyze_all_data_dependences): Likewise.
1546 (get_references_in_stmt): Adjust.
1547 * tree-flow-inline.h (gimple_aliases_computed_p,
1548 gimple_addressable_vars, gimple_call_clobbered_vars,
1549 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1550 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1551 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1552 gimple_mem_ref_stats): Remove.
1553 (gimple_vop): New function.
1554 (op_iter_next_use): Remove vuses and mayuses cases.
1555 (op_iter_next_def): Remove vdefs case.
1556 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1557 (clear_and_done_ssa_iter): Do not set removed fields.
1558 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1559 Assert we are not iterating over vuses or vdefs if not also
1560 iterating over uses or defs.
1561 (op_iter_init_use): Likewise.
1562 (op_iter_init_def): Likewise.
1563 (op_iter_next_vdef): Remove.
1564 (op_iter_next_mustdef): Likewise.
1565 (op_iter_init_vdef): Likewise.
1566 (compare_ssa_operands_equal): Likewise.
1567 (link_use_stmts_after): Handle vuse operand.
1568 (is_call_used): Use is_call_clobbered.
1569 (is_call_clobbered): Global variables are always call clobbered,
1570 query the call-clobbers bitmap.
1571 (mark_call_clobbered): Ignore global variables.
1572 (clear_call_clobbered): Likewise.
1573 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1574 virtual operands sanity check.
1575 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1577 (TARGET_MEM_REF): Remove TMR_TAG operand.
1578 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1579 Remove call-clobber related code.
1580 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1581 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1582 partitions or escape reason.
1583 (get_single_def_stmt, get_single_def_stmt_from_phi,
1584 get_single_def_stmt_with_phi): Remove.
1585 (dump_referenced_vars): Tidy.
1586 (get_ref_base_and_extent): Allow bare decls.
1587 (collect_dfa_stats): Adjust.
1588 * graphite.c (rename_variables_in_stmt): Adjust.
1589 (graphite_copy_stmts_from_block): Likewise.
1590 (translate_clast): Likewise.
1591 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1593 (translate_vuse_through_block): Use the oracle.
1594 (phi_translate_1): Adjust.
1595 (value_dies_in_block_x): Use the oracle. Cache the outcome
1597 (valid_in_sets): Check if the VUSE for
1598 a REFERENCE is available.
1599 (eliminate): Do not remove stmts during elimination,
1600 instead queue and remove them afterwards.
1601 (do_pre): Do not rebuild alias info.
1602 (pass_pre): Run TODO_rebuild_alias before PRE.
1603 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1604 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1605 (mark_all_v_defs_stmt): Remove.
1606 (mark_all_v_defs_seq): Adjust.
1607 (sra_replace): Likewise.
1608 (scalarize_use): Likewise.
1609 (scalarize_copy): Likewise.
1610 (scalarize_init): Likewise.
1611 (scalarize_ldst): Likewise.
1612 (todoflags): Remove.
1613 (tree_sra): Do not rebuild alias info.
1614 (tree_sra_early): Adjust.
1615 (pass_sra): Run TODO_update_address_taken before SRA.
1616 * tree-predcom.c (set_alias_info): Remove.
1617 (prepare_initializers_chain): Do not call it.
1618 (mark_virtual_ops_for_renaming): Adjust.
1619 (mark_virtual_ops_for_renaming_list): Remove.
1620 (initialize_root_vars): Adjust.
1621 (initialize_root_vars_lm): Likewise.
1622 (prepare_initializers_chain): Likewise.
1623 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1624 (may_propagate_copy_into_stmt): Likewise.
1625 (merge_alias_info): Do nothing for now.
1626 (propagate_tree_value_into_stmt): Adjust.
1627 (stmt_may_generate_copy): Likewise.
1628 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1629 not mark symbols for renaming.
1630 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1631 with the same statement, make sure to update the new pointed-to one.
1632 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1633 call statements, do not mark symbols for renaming.
1634 (mark_operand_necessary): Dump something.
1635 (ref_may_be_aliased): New function.
1636 (mark_aliased_reaching_defs_necessary_1): New helper function.
1637 (mark_aliased_reaching_defs_necessary): Likewise.
1638 (mark_all_reaching_defs_necessary_1): Likewise.
1639 (mark_all_reaching_defs_necessary): Likewise.
1640 (propagate_necessity): Do not process virtual PHIs. For
1641 non-aliased loads mark all reaching definitions as necessary.
1642 For aliased loads and stores mark the immediate dominating
1643 aliased clobbers as necessary.
1644 (visited): New global static.
1645 (perform_tree_ssa_dce): Free visited bitmap after propagating
1647 (remove_dead_phis): Perform simple dead virtual PHI removal.
1648 (remove_dead_stmt): Properly unlink virtual operands when
1650 (eliminate_unnecessary_stmts): Schedule PHI removal after
1652 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1653 (process_replaceable): Likewise.
1654 (find_replaceable_in_bb): Likewise.
1655 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1656 based on the single gimple vop.
1657 (verify_flow_insensitive_alias_info): Remove.
1658 (verify_flow_sensitive_alias_info): Likewise.
1659 (verify_call_clobbering): Likewise.
1660 (verify_memory_partitions): Likewise.
1661 (verify_alias_info): Likewise.
1662 (verify_ssa): Adjust..
1663 (execute_update_addresses_taken): Export. Update SSA
1664 manually. Optimize only when optimizing. Use a local bitmap.
1665 (pass_update_address_taken): Remove TODO_update_ssa, add
1667 (pass_update_address_taken): Just use TODO_update_address_taken.
1668 (init_tree_ssa): Do not initialize addressable_vars.
1669 (verify_ssa): Verify new VUSE / VDEF properties.
1670 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1671 Do not call verify_alias_info.
1672 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1673 Do not free the loaded and stored syms bitmaps. Reset the escaped
1674 and callused solutions. Do not free addressable_vars.
1675 Remove memory-tag related code.
1676 (warn_uninitialized_var): Aliases are always available.
1677 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1678 * lambda-code.c (can_put_in_inner_loop): Adjust.
1679 (can_put_after_inner_loop): Likewise.
1680 (perfect_nestify): Likewise.
1681 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1682 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1683 (vectorizable_conversion): Do not mark symbols for renaming.
1684 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1685 (expand_call_inline): Unlink the calls virtual operands before
1687 (tree_function_versioning): Do not call update_ssa if we are not
1688 updating clones. Simplify.
1689 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1690 (propagate_with_phi): Likewise..
1691 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1692 clobber code. Assert we are not aliased or global.
1693 * tree-flow.h: Include tree-ssa-alias.h
1694 (enum escape_type): Remove.
1695 (struct mem_sym_stats_d): Likewise.
1696 (struct mem_ref_stats_d): Likewise.
1697 (struct gimple_df): Add vop member. Remove global_var,
1698 call_clobbered_vars, call_used_vars, addressable_vars,
1699 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1700 escaped and callused members.
1701 (struct ptr_info_def): Remove all members, add points-to solution
1703 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1704 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1705 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1706 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1707 (tree-ssa-alias.o): Likewise.
1708 (toplev.o): Add tree-ssa-alias.h
1709 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1710 * gimple.c (gimple_set_bb): Fix off-by-one error.
1711 (is_gimple_reg): Do not handle memory tags.
1712 (gimple_copy): Also copy virtual operands.
1713 Delay updating the statement. Do not reset loaded and stored syms.
1714 (gimple_set_stored_syms): Remove.
1715 (gimple_set_loaded_syms): Likewise.
1716 (gimple_call_copy_skip_args): Copy the virtual operands
1717 and mark the new statement modified.
1718 * tree-ssa-structalias.c (may_alias_p): Remove.
1719 (set_uids_in_ptset): Take the alias set to prune with as
1720 parameter. Fold in the alias test of may_alias_p.
1721 (compute_points_to_sets): Compute whether a ptr is dereferenced
1723 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1724 other ADDRESSOF constraints on the lhs.
1725 (get_constraint_for_component_ref): Assert that we don't get
1726 ADDRESSOF constraints from the base of the reference.
1727 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1728 (struct variable_info): Remove collapsed_to member.
1729 (get_varinfo_fc): Remove.
1730 (new_var_info): Do not set collapsed_to.
1731 (dump_constraint): Do not follow cycles.
1732 (dump_constraint_graph): Likewise.
1733 (build_pred_graph): Likewise.
1734 (build_succ_graph): Likewise.
1735 (rewrite_constraints): Likewise.
1736 (do_simple_structure_copy): Remove.
1737 (do_rhs_deref_structure_copy): Remove.
1738 (do_lhs_deref_structure_copy): Remove.
1739 (collapse_rest_of_var): Remove.
1740 (do_structure_copy): Re-implement.
1741 (pta_stats): New global variable.
1742 (dump_pta_stats): New function.
1743 (struct constraint_expr): Make offset signed.
1744 (UNKNOWN_OFFSET): Define special value.
1745 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1746 (solution_set_expand): New helper function split out from ...
1747 (do_sd_constraint): ... here.
1748 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1749 (do_ds_constraint): Likewise.
1750 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1751 and CALLUSED = *CALLUSED.
1752 (set_union_with_increment): Make inc argument signed.
1753 (type_safe): Remove.
1754 (get_constraint_for_ptr_offset): Handle unknown and negative
1756 (first_vi_for_offset): Handle offsets before start. Bail
1757 out early for offsets beyond the variable extent.
1758 (first_or_preceding_vi_for_offset): New function.
1759 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1760 Together with ESCAPED = *ESCAPED this properly computes reachability.
1761 (find_what_var_points_to): New function.
1762 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1763 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1764 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1765 pt_solutions_intersect): New functions.
1766 (compute_call_used_vars): Remove.
1767 (compute_may_aliases): New main entry into PTA computation.
1768 * gimple.h (gimple_p): New typedef.
1769 (struct gimple_statement_base): Remove references_memory_p.
1770 (struct gimple_statement_with_memory_ops_base): Remove
1771 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1773 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1774 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1775 gimple_set_references_memory): Remove.
1776 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1777 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1779 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1780 (verify_expr): Allow RESULT_DECL.
1781 (gimple_duplicate_bb): Do not copy virtual operands.
1782 (gimple_duplicate_sese_region): Adjust.
1783 (gimple_duplicate_sese_tail): Likewise.
1784 (mark_virtual_ops_in_region): Remove.
1785 (move_sese_region_to_fn): Do not call it.
1786 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1787 and pass_simple_dse.
1788 (execute_function_todo): Handle TODO_update_address_taken,
1789 call execute_update_addresses_taken for TODO_rebuild_alias.
1790 (execute_todo): Adjust.
1791 (execute_one_pass): Init dump files early.
1792 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1794 (create_general_new_stmt): Clear vops.
1795 * tree-ssa-reassoc.c (get_rank): Adjust.
1796 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1797 symbols for renaming.
1798 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1799 (PARAM_AVG_ALIASED_VOPS): Likewise.
1800 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1801 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1802 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1803 (operand_build_cmp, copy_virtual_operands,
1804 create_ssa_artificial_load_stmt, add_to_addressable_set,
1805 gimple_add_to_addresses_taken): Remove public functions.
1806 (unlink_stmt_vdef): New function.
1808 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1810 * config.gcc (powerpc-*-linux*): Merge variants.
1812 2009-04-02 Chao-ying Fu <fu@mips.com>
1813 James Grosbach <james.grosbach@microchip.com>
1815 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1816 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1818 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1819 keep_interrupts_masked_p, use_debug_exception_return_p.
1820 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1821 keep_interrupts_masked, use_debug_exception_return.
1822 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1823 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1825 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1826 (mips_print_operand): Process COP0 registers to print $0 .. $31
1827 correctly for GAS to process.
1828 (mips_interrupt_extra_call_saved_reg_p): New function.
1829 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1831 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1832 (mips_compute_frame_info): Add supports for interrupt context that
1833 includes doubleword accumulators and COP0 registers.
1834 (mips_for_each_saved_acc): New function.
1835 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1836 mips_for_each_saved_reg.
1837 (mips_save_reg): Save accumulators.
1838 (mips_kernel_reg_p): A new for_each_rtx callback.
1839 (mips_expand_prologue): Support interrupt handlers.
1840 (mips_restore_reg): Restore accumulators.
1841 (mips_expand_epilogue): Support interrupt handlers.
1842 (mips_can_use_return_insn): Return false for interrupt handlers.
1843 (mips_epilogue_uses): New function.
1844 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1845 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1846 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1847 cop0_move): New instructions.
1848 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1849 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1851 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1853 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1854 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1855 interrupt handlers, we use K0 as the temporary register.
1856 (EPILOGUE_USES): Change to a function call.
1857 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1858 handlers, we use K0 as the temporary register.
1860 * doc/extend.texi (Function Attributes): Document interrupt,
1861 use_shadow_register_set, keep_interrupts_masked,
1862 use_debug_exception_return for MIPS attributes.
1864 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1866 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1867 Remove a number of t-files from tmake_file.
1868 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1869 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1870 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1871 target_prototype, not TARGET_PROTOTYPE.
1872 (LINK_OS_GNU_SPEC): Define.
1873 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1874 and darwin-ldoubdle.c.
1876 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1879 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1880 (cpp_options): Ditto.
1881 (default_compilers): Ditto.
1882 (display_help): Ditto.
1883 (process_command): Ditto.
1885 (set_input): Use lbasename instead of duplicate code.
1886 (save_temps_prefix): New static for -save-temps=obj.
1887 (save_temps_length): Ditto.
1889 * doc/invoke.texi (-save-temps=obj): Document new variant to
1892 2009-04-02 Jeff Law <law@redhat.com>
1894 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1897 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1899 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1900 * configure: Regenerated.
1902 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1904 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1905 share the argument list.
1907 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1911 2009-02-12 Diego Novillo <dnovillo@google.com>
1913 * varpool.c (debug_varpool): New.
1914 * cgraph.h (debug_varpool): Declare.
1916 2009-04-02 Jan Hubicka <jh@suse.cz>
1918 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1921 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1923 * config/i386/i386.c (ix86_abi): Move initialization to ...
1924 (override_options): Here.
1926 2009-04-02 Christian Bruel <christian.bruel@st.com>
1928 * config/sh/sh.c (sh_dwarf_register_span): New function.
1929 (TARGET_DWARF_REGISTER_SPAN): Define.
1930 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1932 2009-04-02 Ira Rosen <irar@il.ibm.com>
1934 PR tree-optimization/39595
1935 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1936 interleaved loads group is not greater than the SLP group size.
1938 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1940 * builtins.c (is_builtin_name): New.
1941 (called_as_built_in): Use is_builtin_name.
1942 * tree.h (is_builtin_name): New.
1943 * varasm.c (incorporeal_function_p): Use is_builtin_name
1945 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1947 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1949 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1952 * c-decl.c: (clone_underlying_type): Move this ...
1953 * c-common.c (set_underlying_type): ... here.
1954 Also, make sure the function properly sets TYPE_STUB_DECL() on
1955 the newly created typedef variant type.
1956 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1957 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1960 2009-04-02 Richard Guenther <rguenther@suse.de>
1962 PR tree-optimization/37221
1963 * tree-flow.h (degenerate_phi_result): Declare.
1964 * tree-ssa-dom.c (degenerate_phi_result): Export.
1965 * tree-scalar-evolution.c (analyze_initial_condition): If
1966 the initial condition is defined by a degenerate PHI node
1967 use the degenerate value.
1969 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1971 PR rtl-optimization/39588
1972 * combine.c (merge_outer_ops): Do not set the constant when this
1974 (simplify_shift_const_1): Do not modify it either in this case.
1976 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1978 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1979 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1981 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1984 * c-lex.c (interpret_float): Default (no suffix) is double.
1986 2009-04-1 Xinliang David Li <davidxl@google.com>
1988 * config/i386/i386.c (legitimate_constant_p): Recognize
1989 all one vector constant.
1991 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1993 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1994 Change #include order to silence two warnings.
1996 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1998 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1999 (ASM_SPEC): Pass -k to the assembler for PIC code.
2001 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2003 * gcc/config.gcc: Add vax-*-linux* to the switch.
2004 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2005 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2007 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2009 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2010 Use predicate macros instead of GET_CODE() == foo.
2011 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2012 ashlsi3, rotrsi3, <unnamed>): Likewise.
2014 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2016 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2017 jbbccihi, jbbccisi): Remova trailing whitespace.
2018 * gcc/config/vax/constraints.md: Likewise.
2019 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2020 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2021 * gcc/config/vax/predicates.md: Likewise.
2022 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2023 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2024 * gcc/config/vax/vax.h: Likewise.
2025 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2027 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2029 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2030 (indirectable_address_p, adjacent_operands_p): Add spaces around
2032 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2034 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2036 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2037 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2038 index_term_p, reg_plus_index_p, legitimate_address_p,
2039 vax_mode_dependent_address_p): Update comments to match functions
2040 modified by the recent int->bool conversion.
2042 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2044 * gcc/config/vax/builtins.md: Update copyright message.
2045 * gcc/config/vax/constraints.md: Likewise.
2046 * gcc/config/vax/netbsd-elf.h: Likewise.
2047 * gcc/config/vax/predicates.md: Likewise.
2048 * gcc/config/vax/vax-protos.h: Likewise.
2049 * gcc/config/vax/vax.c: Likewise.
2050 * gcc/config/vax/vax.h: Likewise.
2051 * gcc/config/vax/vax.md: Likewise.
2052 * gcc/config/vax/vax.opt: Likewise.
2054 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2056 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2057 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2058 * gcc/config/vax/constraints.md (B, R): Likewise.
2059 * gcc/config/vax/predicates.md (external_memory_operand,
2060 nonimmediate_addsub_di_operand): Likewise.
2061 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2062 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2063 untyped_call): Likewise.
2065 2009-04-01 Matt Thomas <matt@3am-software.com>
2067 * config/vax/predicates.md: New file.
2068 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2069 external_const_operand, nonsymbolic_operand, external_memory_operand,
2070 indirect_memory_operand, indexed_memory_operand,
2071 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2072 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2074 * config/vax/constraints.md: New file.
2075 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2077 * config/vax/builtins.md: New file.
2078 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2079 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2081 * config/vax/vax.opt (mqmath): Add option.
2082 * config/vax/vax.md (isfx): Extend with DI.
2083 (VAXintQH, VAXintQHSD): Define.
2084 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2085 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2086 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2087 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2088 (movdi): Update constraints and use vax_output_int_move().
2089 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2090 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2091 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2092 nonlocal_goto): New.
2093 (mov<mode>): Extend accepted operand types.
2094 (subdi3_old): Rename from subdi3, change update constraints and use
2095 a new implementation.
2096 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2097 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2098 MOVE_RATIO, CLEAR_RATIO): Define.
2099 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2100 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2101 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2102 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2103 (split_quadword_operands): Make static and really allow variable
2105 (print_operand_address): Update for PIC generation.
2106 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2107 indexable_address_p, fixup_mathdi_operand,
2108 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2109 (vax_float_literal, legitimate_constant_p,
2110 indirectable_constant_address_p, index_term_p,
2111 reg_plus_index_p): Return bool instead of int.
2112 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2114 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2116 (vax_output_conditional_branch): Indent.
2117 (legitimate_constant_address_p, indirectable_constant_address_p,
2118 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2119 vax_mode_dependent_address_p): Return bool instead of int, update for
2121 * config/vax/vax-protos.h (legitimate_constant_address_p,
2122 legitimate_constant_p, legitimate_address_p,
2123 vax_mode_dependent_address_p): Change declaration to bool.
2124 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2125 vax_expand_addsub_di_operands, vax_output_int_subtract,
2126 vax_output_movmemsi): Declare.
2127 (split_quadword_operands, vax_float_literal): Delete declaration.
2128 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2129 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2130 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2131 ASM_OUTPUT_DWARF_PCREL): Define.
2132 (ASM_SPEC): Change definition to allow PIC generation.
2134 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2136 * doc/sourcebuild.texi: Update front-end requirements.
2138 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2141 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2142 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2143 (booldi3_internal3): Use boolean_or_operator instead of
2146 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2149 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2150 declarator whose size is not an integer constant expression but
2151 folds to an integer constant, then treat it as a constant
2154 2009-04-01 Richard Guenther <rguenther@suse.de>
2156 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2157 i * 4 + 2 to (i * 2 + 1) * 2.
2159 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2162 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2163 return if c_parser_asm_string_literal returned NULL.
2165 2009-04-01 Nick Clifton <nickc@redhat.com>
2167 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2169 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2170 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2171 other typedefs to avoid conflicts with libgcc2.c. Define labels
2172 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2174 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2175 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2178 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2180 * varasm.c (default_function_rodata_section): Declare DOT as
2183 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2184 Andrey Galkin <agalkin@hypercom.com>
2187 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2188 Make object_name unique for each process.
2190 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2193 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2194 addressable variables in the parallel that could go out of scope while
2195 running queued tasks.
2197 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2199 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2200 (CASE_VALUES_THRESHOLD): Redefine.
2201 * config/avr/avr.c (avr_override_options): Remove initialization of
2202 avr_case_values_threshold variable.
2203 (avr_case_values_threshold): Remove variable. Add new function.
2204 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2205 * config/avr/avr.opt (mno-tablejump): Remove option.
2206 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2208 2009-04-01 DJ Delorie <dj@redhat.com>
2210 * varasm.c (default_function_rodata_section): Don't assume
2211 anything about where the first '.' in the section name is.
2213 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2215 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2216 rs6000_emit_stack_tie.
2218 2009-03-31 Ian Lance Taylor <iant@google.com>
2220 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2221 gimple_code with GIMPLE_RESX, not RESX.
2223 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2225 * c-common.c (c_get_ident): New.
2226 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2228 2009-04-01 Ben Elliston <bje@au.ibm.com>
2230 * config/rs6000/sysv4.opt (msdata): Improve option description.
2232 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2234 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2235 (divdf3_internal_lat): Remove.
2236 (divxf3_internal_lat): Remove.
2237 (divxf3_internal_thr): Remove.
2238 (divxf): Use divxf3_internal.
2239 * config/ia64/div.md (divsf3_internal_lat): New.
2240 (divdf3_internal_lat): New.
2241 (divxf3_internal): New.
2243 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2246 * Makefile.in (USE_GCC_STDINT): Define.
2247 (stmp-int-hdrs): Install stdint.h if applicable.
2248 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2250 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2251 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2252 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2253 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2254 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2255 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2256 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2257 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2258 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2259 (c_common_nodes_and_builtins): Initialize
2260 underlying_wchar_type_node. Do not initialize
2261 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2262 nodes for new types.
2263 (c_stddef_cpp_builtins): Define macros for new types.
2264 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2266 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2267 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2268 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2269 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2270 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2271 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2272 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2273 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2274 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2275 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2276 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2277 int16_type_node, int32_type_node, int64_type_node,
2278 uint8_type_node, uint16_type_node, c_uint32_type_node,
2279 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2280 int_least32_type_node, int_least64_type_node,
2281 uint_least8_type_node, uint_least16_type_node,
2282 uint_least32_type_node, uint_least64_type_node,
2283 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2284 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2285 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2286 uintptr_type_node): Define.
2287 * c-cppbuiltin.c (builtin_define_constants,
2288 builtin_define_type_minmax): New.
2289 (builtin_define_stdint_macros): Define more macros.
2290 (c_cpp_builtins): Define more limit macros.
2292 (builtin_define_type_max): Define in terms of
2293 builtin_define_type_minmax. Remove is_long parameter. All
2295 * config.gcc (use_gcc_stdint): Define.
2296 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2297 Add newlib-stdint.h for generic targets.
2298 * config/glibc-stdint.h, config/newlib-stdint.h,
2299 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2300 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2301 * config/score/score.h (UINTPTR_TYPE): Define.
2302 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2303 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2304 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2305 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2306 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2307 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2308 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2309 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2310 * config/spu/spu.h (STDINT_LONG32): Define.
2311 * configure.ac (use_gcc_stdint): Substitute.
2312 * configure: Regenerate.
2313 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2314 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2315 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2316 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2317 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2318 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2319 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2320 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2321 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2322 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2323 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2324 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2325 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2326 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2327 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2328 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2329 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2330 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2331 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2332 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2333 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2334 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2335 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2336 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2337 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2338 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2339 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2340 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2341 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2343 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2345 * loop-iv.c (suitable_set_for_replacement): Renamed from
2346 simplify_using_assignment; changed to return bool and to accept new
2347 args DEST and SRC. Return true iff we find a source/destination pair
2348 that can be used to make a replacement, and fill SRC and DEST if so.
2349 Remove arg ALTERED. Don't deal with altered regs here. All callers
2351 (simplify_using_initial_values): Deal with altered regs here and track
2352 more precisely the effect they have on the validity of our expression.
2354 * loop-iv.c (simplify_using_condition): A condition of the form
2355 (EQ REG CONST) can be used to simply make a substitution.
2356 (simplify_using_initial_values): Keep track of conditions we have seen
2357 and keep using them to simplify new expressions, while applying the
2358 same substitutions to them as to the expression.
2360 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2361 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2364 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2365 changed. Use this when trying to improve the upper bound.
2366 Generate the comparison by using simplify_gen_relational.
2368 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2370 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2372 (simplify_using_assignment, simplify_using_initial_values): Call
2373 replace_in_expr to make replacements. Call replace_single_def_regs
2374 once on the initial version of the expression.
2376 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2379 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2381 2009-03-31 Richard Guenther <rguenther@suse.de>
2384 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2385 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2387 2009-03-31 Richard Guenther <rguenther@suse.de>
2389 * tree.h (div_if_zero_remainder): Declare.
2390 * fold-const.c (div_if_zero_remainder): Export.
2391 * tree-ssa-forwprop.c
2392 (forward_propagate_addr_into_variable_array_index): Handle
2393 constant array index addition outside of the variable index.
2395 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2398 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2399 define_splits, floatunssi<mode>2): Require x87 conversions from
2400 DImode to be permitted.
2402 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2404 PR preprocessor/15638
2405 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2407 2009-03-31 Richard Guenther <rguenther@suse.de>
2411 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2412 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2413 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2414 a separate statement.
2415 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2416 (lookup_tmp_var): Likewise.
2417 (is_gimple_formal_tmp_or_call_rhs): Remove.
2418 (is_gimple_reg_or_call_rhs): Rename to ...
2419 (is_gimple_reg_rhs_or_call): ... this.
2420 (is_gimple_mem_or_call_rhs): Rename to ...
2421 (is_gimple_mem_rhs_or_call): ... this.
2422 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2423 DECL_GIMPLE_REG_P only if is_formal is true.
2424 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2425 for non-proper post-modify expression gimplification.
2426 (gimplify_self_mod_expr): For post-modify expressions gimplify
2427 the lvalue to a minimal lvalue.
2428 (rhs_predicate_for): Remove formal temp case.
2429 (gimplify_modify_expr_rhs): Likewise.
2430 (gimplify_addr_expr): Use is_gimple_reg.
2431 (gimplify_expr): Remove formal temp cases.
2432 (gimple_regimplify_operands): Likewise.
2433 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2434 and FILTER_EXPR like constants.
2435 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2437 (is_gimple_formal_tmp_rhs): Remove.
2438 (is_gimple_reg_rhs): Remove special casing.
2439 (is_gimple_mem_rhs): Fix.
2440 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2441 (is_gimple_formal_tmp_var): Remove.
2442 (is_gimple_formal_tmp_reg): Likewise.
2443 (is_gimple_min_lval): Allow invariant component ref parts.
2444 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2445 is_gimple_formal_tmp_reg): Remove declarations.
2446 * tree-cfg.c (verify_expr): Verify that variables with address
2447 taken do not have DECL_GIMPLE_REG_P set.
2448 * tree-mudflap.c (mf_build_check_statement_for): Use
2449 force_gimple_operand instead of gimplify_expr.
2451 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2453 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2454 schedulable rows to compute_split_row.
2456 2009-03-31 Ben Elliston <bje@au.ibm.com>
2459 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2462 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2464 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2465 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2466 * configure: Regenerate.
2467 * config.in: Regenerate.
2468 * config/rs6000/rs6000.opt (mtls-markers): Add.
2469 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2470 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2471 (tls_ld_aix, tls_ld_sysv): Likewise.
2472 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2473 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2475 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2477 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2479 2009-03-30 Jan Hubicka <jh@suse.cz>
2481 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2483 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2484 detection and label handling.
2486 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2488 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2489 left_conflicts_size.
2490 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2491 ALLOCNO_LEFT_CONFLICTS_SIZE.
2493 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2494 remove_allocno_from_bucket_and_push,
2495 allocno_spill_priority_compare, push_allocnos_to_stack,
2496 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2497 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2498 (setup_allocno_left_conflicts_num): Ditto. Rename to
2499 setup_allocno_left_conflicts_size.
2500 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2501 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2502 setup_allocno_left_conflicts_size instead of
2503 setup_allocno_left_conflicts_num.
2505 * ira-build.c (ira_create_allocno): Use
2506 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2507 ALLOCNO_LEFT_CONFLICTS_NUM.
2509 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2511 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2512 instead of DF_LR_OUT.
2514 * ira-lives.c (process_bb_node_lives): Ditto.
2516 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2517 instead of DF_LR_{OUT,IN}.
2519 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2521 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2523 2009-03-30 Jan Hubicka <jh@suse.cz>
2525 * except.c (label_to_region_map): Fix thinko.
2527 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2530 * tree.h (tree_find_value): New declaration.
2531 * tree.c (tree_find_value): New function.
2532 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2534 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2537 * c-decl.c (struct c_binding): Add locus field.
2538 (bind): Add locus argument, set locus field from it.
2539 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2540 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2541 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2542 implicitly_declare, undeclared_variable, lookup_label,
2543 declare_label, c_make_fname_decl, c_builtin_function,
2544 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2547 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2550 * config/i386/i386.c (classify_argument): Check total size of
2553 2009-03-30 Martin Jambor <mjambor@suse.cz>
2555 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2556 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2557 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2560 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2561 seen_variable_array_ref while also traversing a union.
2563 * tree-inline.c (optimize_inline_calls): Do not call
2564 cgraph_node_remove_callees.
2565 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2566 (pass_remove_cgraph_callee_edges): New variable.
2567 * passes.c (init_optimization_passes): Add
2568 pass_remove_cgraph_callee_edges after early inlining and before all
2569 late intraprocedural passes.
2571 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2573 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2575 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2578 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2580 * combine.c (simplify_comparison): Use have_insn_for.
2581 * dojump.c (do_jump): Likewise.
2583 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2585 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2586 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2587 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2588 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2589 instead of sparc_compare_emitted.
2590 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2591 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2592 instead of sparc_compare_emitted.
2594 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2596 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2597 enter/exit cfglayout mode.
2598 (pass_partition_block): Require it.
2599 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2600 (combine_instructions): Track basic blocks instead of labels.
2601 (update_cfg_for_uncondjump): New.
2602 (try_combine): Use it. Update jumps after rescanning.
2603 (pass_combine): Require PROP_cfglayout.
2604 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2606 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2608 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2609 Provide/destroy PROP_cfglayout respectively.
2610 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2611 * tree-pass.h (PROP_cfglayout): New.
2613 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2615 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2616 fold_convert_const_fixed_from_fixed,
2617 fold_convert_const_fixed_from_int,
2618 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2619 set TREE_CONSTANT_OVERFLOW.
2620 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2621 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2623 2009-03-30 Ira Rosen <irar@il.ibm.com>
2625 * tree-vect-loop-manip.c: New file.
2626 * tree-vectorizer.c: Update documentation and included files.
2627 (vect_loop_location): Make extern.
2628 (rename_use_op): Move to tree-vect-loop-manip.c
2629 (rename_variables_in_bb, rename_variables_in_loop,
2630 slpeel_update_phis_for_duplicate_loop,
2631 slpeel_update_phi_nodes_for_guard1,
2632 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2633 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2634 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2635 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2636 find_loop_location): Likewise.
2637 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2638 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2639 get_vectype_for_scalar_type, vect_is_simple_use,
2640 supportable_widening_operation, supportable_narrowing_operation):
2642 (bb_in_loop_p): Move to tree-vect-loop.c.
2643 (new_loop_vec_info, destroy_loop_vec_info,
2644 reduction_code_for_scalar_code, report_vect_op,
2645 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2646 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2647 (vect_supportable_dr_alignment): Likewise.
2648 * tree-vectorizer.h (tree-data-ref.h): Include.
2649 (vect_loop_location): Declare.
2650 Reorganize function declarations according to the new file structure.
2651 * tree-vect-loop.c: New file.
2652 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2653 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2654 * tree-vect-data-refs.c: New file.
2655 * tree-vect-patterns.c (timevar.h): Don't include.
2656 * tree-vect-stmts.c: New file.
2657 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2658 tree-vect-slp.c, tree-vect-loop.c.
2659 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2660 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2661 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2662 (tree-vect-analyze.o): Remove.
2663 (tree-vect-transform.o): Likewise.
2664 (tree-vect-data-refs.o): Add rule.
2665 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2666 tree-vect-slp.o): Likewise.
2667 (tree-vect-patterns.o): Remove redundant dependencies.
2668 (tree-vectorizer.o): Likewise.
2669 * tree-vect-slp.c: New file.
2671 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2673 * optc-gen.awk: Warn if an option flag has multiple different
2676 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2678 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2679 -floop-block): Document dependences on PPL, CLooG and Graphite.
2681 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2683 PR rtl-optimization/323
2684 * c-common.c (c_fully_fold, convert_and_check,
2685 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2686 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2687 * c-common.def (EXCESS_PRECISION_EXPR): New.
2688 * c-cppbuiltin.c (builtin_define_float_constants): Define
2689 constants with enough digits for long double.
2690 * c-lex.c (interpret_float): Interpret constant with excess
2691 precision where appropriate.
2692 * c-opts.c (c_common_post_options): Set
2693 flag_excess_precision_cmdline. Give an error for
2694 -fexcess-precision=standard for C++ for processors where the
2695 option is significant.
2696 * c-parser.c (c_parser_conditional_expression): Handle excess
2697 precision in condition.
2698 * c-typeck.c (convert_arguments): Handle arguments with excess
2700 (build_unary_op): Move excess precision outside operation.
2701 (build_conditional_expr): Likewise.
2702 (build_compound_expr): Likewise.
2703 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2704 (build_modify_expr): Handle excess precision in RHS.
2705 (convert_for_assignment): Handle excess precision in converted
2707 (digest_init, output_init_element, process_init_element): Handle
2708 excess precision in initializer.
2709 (c_finish_return): Handle excess precision in return value.
2710 (build_binary_op): Handle excess precision in operands and add
2711 excess precision as needed for operation.
2712 * common.opt (-fexcess-precision=): New option.
2713 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2714 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2715 For standard excess precision, output explicit conversion to and
2716 truncation from XFmode.
2717 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2718 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2719 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2720 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2721 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2722 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2723 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2724 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2725 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2726 define_splits, sqrt<mode>2): Disable where appropriate for
2727 standard excess precision.
2728 * convert.c (convert_to_real): Do not shorten arithmetic to type
2729 for which excess precision would be used.
2730 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2731 * doc/invoke.texi (-fexcess-precision=): Document option.
2732 (-mfpmath=): Correct index entry.
2733 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2734 flag_excess_precision): New.
2735 * langhooks.c (lhd_post_options): Set
2736 flag_excess_precision_cmdline.
2737 * opts.c (common_handle_option): Handle -fexcess-precision=.
2738 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2739 init_excess_precision): New.
2740 (lang_dependent_init_target): Call init_excess_precision.
2741 * tree.c (excess_precision_type): New.
2742 * tree.h (excess_precision_type): Declare.
2744 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2747 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2748 non-lvalue to component.
2750 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2752 PR preprocessor/34695
2753 * Makefile.in (c-opts.o): Depend on c-tree.h.
2754 * c-common.c: Move down include of diagnostic.h.
2755 (done_lexing, c_cpp_error): New.
2756 * c-common.h (done_lexing): Declare.
2757 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2759 * c-opts.c: Include c-tree.h.
2760 (c_common_init_options): Set preprocessor error callback.
2761 (c_common_handle_option): Do not set preprocessor
2762 inhibit_warnings, warnings_are_errors, warn_system_headers,
2763 pedantic_errors or inhibit_warnings flags.
2764 (c_common_post_options): Do not check cpp_errors (parse_in).
2765 (c_common_finish): Do not output dependencies if there were
2766 errors. Do not check return value of cpp_finish.
2767 * c-ppoutput.c (pp_file_change): Set input_location.
2768 * c-tree.h (c_cpp_error): Declare.
2769 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2771 (diagnostic_build_prefix): Check override_column.
2772 * diagnostic.h (diagnostic_info): Add override_column field.
2773 (diagnostic_override_column): Define.
2775 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2777 * c-common.c (c_expand_expr, c_staticp): Remove.
2778 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2779 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2780 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2781 * c-gimplify.c (gimplify_compound_literal_expr,
2782 optimize_compound_literals_in_ctor): Remove.
2783 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2784 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2785 * c-semantics.c (emit_local_var): Remove.
2787 * langhooks-def.h (lhd_expand_expr): Remove.
2788 * langhooks.c (lhd_expand_expr): Remove.
2789 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2791 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2792 handling from c-semantics.c; don't call into langhook.
2793 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2794 * gimplify.c (gimplify_compound_literal_expr,
2795 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2796 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2797 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2798 as was done in c-gimplify.c.
2799 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2800 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2801 Move from c-common.h.
2802 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2804 * tree.c (staticp): Do not call langhook.
2805 * langhooks.c (lhd_staticp): Delete.
2806 * langhooks-def.h (lhd_staticp): Delete prototype.
2807 (LANG_HOOKS_STATICP): Delete.
2808 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2810 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2811 instead of DECL_STMTs.
2813 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2821 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2823 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2824 contained expression.
2825 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2826 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2827 conditional expressions for C.
2828 (decl_constant_value_for_optimization): Move from
2829 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2830 whether optimizing and that the expression is a VAR_DECL not of
2831 array type instead of doing such checks in the caller. Do not
2832 check pedantic. Call gcc_unreachable for C++.
2833 * c-common.def (C_MAYBE_CONST_EXPR): New.
2834 * c-common.h (c_fully_fold, c_save_expr,
2835 decl_constant_value_for_optimization): New prototypes.
2836 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2837 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2838 EXPR_INT_CONST_OPERANDS): Define.
2839 * c-convert.c (convert): Strip nops from expression.
2840 * c-decl.c (groktypename): Take extra parameters expr and
2841 expr_const_operands. Update call to grokdeclarator.
2842 (start_decl): Update call to grokdeclarator. Add statement for
2843 expressions used in type of decl.
2844 (grokparm): Update call to grokdeclarator.
2845 (push_parm_decl): Update call to grokdeclarator.
2846 (build_compound_literal): Add parameter non_const and build a
2847 C_MAYBE_COSNT_EXPR if applicable.
2848 (grokdeclarator): Take extra parameters expr and
2849 expr_const_operands. Track expressions used in declaration
2850 specifiers and declarators. Fold array sizes and track whether
2851 they are constant expressions and whether they are integer
2852 constant expressions.
2853 (parser_xref_tag): Set expr and expr_const_operands fields in
2855 (grokfield): Update call to grokdeclarator.
2856 (start_function): Update call to grokdeclarator.
2857 (build_null_declspecs): Set expr and expr_const_operands fields in
2859 (declspecs_add_type): Handle expressions in typeof specifiers.
2860 * c-parser.c (c_parser_declspecs): Set expr and
2861 expr_const_operands fields for declaration specifiers.
2862 (c_parser_enum_specifier): Likewise.
2863 (c_parser_struct_or_union_specifier): Likewise.
2864 (c_parser_typeof_specifier): Likewise. Update call to
2865 groktypename. Fold expression as needed. Return expressions with
2866 type instead of adding statements.
2867 (c_parser_attributes): Update calls to c_parser_expr_list.
2868 (c_parser_statement_after_labels): Fold expression before passing
2869 to objc_build_throw_stmt.
2870 (c_parser_condition): Fold expression.
2871 (c_parser_asm_operands): Fold expression.
2872 (c_parser_conditional_expression): Use c_save_expr. Update call
2873 to build_conditional_expr.
2874 (c_parser_alignof_expression): Update call to groktypename.
2875 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2876 original_code. Fold expression argument of va_arg. Create
2877 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2878 argument to va_arg. Update calls to groktypename. Fold array
2879 index for offsetof. Verify that first argument to
2880 __builtin_choose_expr has integer type.
2881 (c_parser_postfix_expression_after_paren_type): Update calls to
2882 groktypename and build_compound_literal. Handle expressions with
2883 side effects in type name.
2884 (c_parser_postfix_expression_after_primary): Update call to
2885 c_parser_expr_list. Set original_code for calls to
2886 __builtin_constant_p.
2887 (c_parser_expr_list): Take extra parameter fold_p. Fold
2888 expressions if requested.
2889 (c_parser_objc_type_name): Update call to groktypename.
2890 (c_parser_objc_synchronized_statement): Fold expression.
2891 (c_parser_objc_receiver): Fold expression.
2892 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2893 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2894 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2895 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2896 (struct c_typespec): Add elements expr and expr_const_operands.
2897 (struct c_declspecs): Add elements expr and expr_const_operands.
2898 (groktypename, build_conditional_expr, build_compound_literal):
2900 (in_late_binary_op): Declare.
2901 * c-typeck.c (note_integer_operands): New function.
2902 (in_late_binary_op): New variable.
2903 (decl_constant_value_for_broken_optimization): Move to c-common.c
2904 and rename to decl_constant_value_for_optimization.
2905 (default_function_array_conversion): Do not strip nops.
2906 (default_conversion): Do not call
2907 decl_constant_value_for_broken_optimization.
2908 (build_array_ref): Do not fold result.
2909 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2910 result when operand is a VLA.
2911 (c_expr_sizeof_type): Update call to groktypename. Handle
2912 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2913 result when operand names a VLA type.
2914 (build_function_call): Update call to build_compound_literal.
2915 Only fold result for calls to __builtin_* functions. Strip
2916 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2917 the function designator.
2918 (convert_arguments): Fold arguments. Update call to
2919 convert_for_assignment.
2920 (build_unary_op): Handle increment and decrement of
2921 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2922 decrement earlier. Fold operand of increment and decrement.
2923 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2924 built for integer operand. Wrap returns that are INTEGER_CSTs
2925 without being integer constant expressions or that have integer
2926 constant operands without being INTEGER_CSTs.
2927 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2928 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2929 result is an integer constant expression or can be used in
2930 unevaluated parts of one and avoid folding and wrap as
2931 appropriate. Fold operands before possibly doing -Wsign-compare
2933 (build_compound_expr): Wrap result for C99 if operands can be used
2934 in integer constant expressions.
2935 (build_c_cast): Update call to digest_init. Do not ignore
2936 overflow from casting floating-point constants to integers. Wrap
2937 results that could be confused with integer constant expressions,
2938 null pointer constants or floating-point constants.
2939 (c_cast_expr): Update call to groktypename. Handle expressions
2940 included in type name.
2941 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2942 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2943 Update calls to convert_for_assignment.
2944 (convert_for_assignment): Take new parameter
2945 null_pointer_constant. Do not strip nops or call
2946 decl_constant_value_for_broken_optimization. Set
2947 in_late_binary_op for conversions to boolean.
2948 (store_init_value): Update call to digest_init.
2949 (digest_init): Take new parameter null_pointer_constant. Do not
2950 call decl_constant_value_for_broken_optimization. pedwarn for
2951 initializers not constant expressions. Update calls to
2952 convert_for_assignment.
2953 (constructor_nonconst): New.
2954 (struct constructor_stack): Add nonconst element.
2955 (really_start_incremental_init, push_init_level, pop_init_level):
2956 Handle constructor_nonconst and nonconst element.
2957 (set_init_index): Call constant_expression_warning for array
2959 (output_init_element): Fold value. Set constructor_nonconst as
2960 applicable. pedwarn for initializers not constant expressions.
2961 Update call to digest_init. Call constant_expression_warning
2962 where constant initializers are required.
2963 (process_init_element): Use c_save_expr.
2964 (c_finish_goto_ptr): Fold expression.
2965 (c_finish_return): Fold return value. Update call to
2966 convert_for_assignment.
2967 (c_start_case): Fold switch expression.
2968 (c_process_expr_stmt): Fold expression.
2969 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2970 ensure statement expression is not evaluated in constant expression.
2971 (build_binary_op): Track whether results are integer constant
2972 expressions or may occur in such, disable folding and wrap results
2973 as applicable. Fold operands for -Wsign-compare warnings unless
2975 (c_objc_common_truthvalue_conversion): Handle results folded to
2976 integer constants that are not integer constant expressions.
2977 * doc/extend.texi: Document when typeof operands are evaluated,
2978 that condition of __builtin_choose_expr is an integer constant
2979 expression, and more about use of __builtin_constant_p in
2982 2009-03-29 Richard Guenther <rguenther@suse.de>
2984 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2985 propagate addresses of array references.
2987 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2989 * regmove.c (perhaps_ends_bb_p): Remove.
2990 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2991 from INSN and check that the main loop stays within that basic block.
2992 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2993 (regmove_forward_pass): Split out from regmove_optimize. Use
2994 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2995 (regmove_backward_pass): Split out from regmove_optimize. Use
2996 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2997 (regmove_optimize): Simplify.
2999 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3002 * config/i386/i386.c (classify_argument): Ignore flexible array
3003 member in struct and warn ABI change.
3005 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3007 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3009 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3010 (ix86_adjust_cost): Updated.
3012 2009-03-29 Jan Hubicka <jh@suse.cz>
3015 * tree-pass.h (pass_cleanup_eh): New function.
3016 (remove_unreachable_regions): Break code handling RTL
3017 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3018 that can not be reached by runtime.
3019 (can_be_reached_by_runtime): New function.
3020 (label_to_region_map): New function.
3021 (num_eh_regions): New function.
3022 (rtl_remove_unreachable_regions): New function.
3023 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3024 (remove_eh_region): New function.
3025 * except.h: Include sbitmap and vecprim.
3026 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3027 num_eh_regions): Declare.
3028 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3029 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3030 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3031 (tree_empty_eh_handler_p): New function.
3032 (cleanup_empty_eh): New function.
3033 (cleanup_eh): New function.
3034 (pass_cleanup_eh): New function.
3036 2009-03-29 Jan Hubicka <jh@suse.cz>
3038 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3039 for removed regions.
3041 2009-03-29 Jan Hubicka <jh@suse.cz>
3043 * except.c (dump_eh_tree): Dump all datastructures.
3045 2009-03-29 Jan Hubicka <jh@suse.cz>
3047 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3048 (duplicate_eh_regions_1): Likewise.
3049 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3050 vector; call EH verification.
3051 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3052 Be ready for region being removed.
3054 2009-03-29 Jan Hubicka <jh@suse.cz>
3056 * bitmap.c (bitmap_last_set_bit): New function.
3057 * bitmap.h (bitmap_last_set_bit): Declare.
3059 2009-03-29 David Ayers <ayers@fsfe.org>
3062 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3063 by calling objc_compare_types and surpress warnings about
3064 incompatible C pointers that are compatible ObjC pointers.
3066 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3068 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3069 call initialize_inline_failed.
3070 (initialize_inline_failed): Move it from here ...
3071 * cgraph.c (initialize_inline_failed): ... to here.
3072 (cgraph_create_edge): Call initialize_inline_failed rather than
3073 setting inline_failed directly.
3075 2009-03-29 Ben Elliston <bje@au.ibm.com>
3078 * sysv4.opt (msdata): Improve comment.
3079 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3080 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3082 2009-03-29 Ben Elliston <bje@au.ibm.com>
3085 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3086 load and store attributes.
3088 2009-03-29 Ben Elliston <bje@au.ibm.com>
3090 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3091 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3092 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3093 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3094 __builtin_infq and __builtin_huge_valq.
3096 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3098 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3100 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3101 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3103 2009-03-28 Xinliang David Li <davidxl@google.com>
3105 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3106 (do_dbg_cnt): New function.
3108 2009-03-28 Jan Hubicka <jh@suse.cz>
3110 Merge from pretty-ipa:
3112 2009-03-27 Jan Hubicka <jh@suse.cz>
3114 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3115 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3116 * passes.c (function_called_by_processed_nodes_p): New.
3117 * ipa-pure-const.c (check_call): Fix handling of operands.
3118 (analyze_function): Dump debug output for skipped bodies.
3119 (local_pure_const): Use function_called_by_processed_nodes_p.
3120 * dwarf2out.c (reference_to_unused): Use output.
3121 * passes.c (do_per_function_toporder): Likewise.
3123 2008-11-12 Jan Hubicka <jh@suse.cz>
3125 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3126 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3127 state_set_in_source enum
3128 (check_decl): Ignore memory tags; do not set fake looping flags;
3130 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3131 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3132 (check_call, analyze_function): Rewrite.
3134 (add_new_function): Update call of analyze_function.
3135 (generate_summary): Add call of analyze_function.
3136 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3137 (local_pure_const): New function.
3138 (pass_local_pure_const): New pass.
3139 * ipa-inline.c (inline_transform): Set after_inlining.
3140 * tree-eh.c (stmt_can_throw_external): New.
3141 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3142 work with aliasing built.
3143 * tree-flow.h (stmt_can_throw_external): New.
3144 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3145 and local pure/const pass in early and late optimization queue.
3147 2009-03-28 Martin Jambor <mjambor@suse.cz>
3149 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3151 (fold_binary): Allow function decl aligment consideration is the
3152 second argument is integer constant one.
3153 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3154 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3155 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3157 2009-03-28 Jan Hubicka <jh@suse.cz>
3159 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3160 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3161 * function.h (rtl_data): Add nothrow flag.
3162 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3163 set DECL_NOTHROW for AVAILABLE functions.
3165 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3167 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3168 following vector keyword has expansion starting with pixel or bool
3169 keyword, expand vector to __vector and pixel or bool to __pixel or
3173 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3174 warn_if_disallowed_function_p): Removed.
3175 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3176 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3177 warning_if_disallowed_function_p.
3178 * flags.h (warn_if_disallowed_function_p,
3179 warn_disallowed_functions): Removed.
3180 * common.opt (Wdisallowed-function-list=): Removed.
3181 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3183 2009-03-28 Richard Guenther <rguenther@suse.de>
3185 PR tree-optimization/38723
3186 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3189 2009-03-28 Jan Hubicka <jh@suse.cz>
3191 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3192 test introduced by my previous patch.
3194 2009-03-28 Richard Guenther <rguenther@suse.de>
3196 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3197 the PHIs value undefined.
3199 2009-03-28 Jan Hubicka <jh@suse.cz>
3201 * tree-pass.h (pass_fixup_cfg): New pass.
3202 * ipa-inline.c (inline_transform): Set
3203 always_inline_functions_inlined/after_inlining.
3204 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3205 (pass_fixup_cfg): New pass.
3206 * passes.c (init_optimization_passes): Add fixup_cfg.
3208 2009-03-28 Richard Guenther <rguenther@suse.de>
3210 PR tree-optimization/38458
3211 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3212 argument use the arguments copy-of value.
3214 2009-03-28 Richard Guenther <rguenther@suse.de>
3216 PR tree-optimization/38180
3217 * tree-ssa-ccp.c (get_default_value): Simplify.
3218 (likely_value): Likewise.
3219 (surely_varying_stmt_p): Properly handle VOP case.
3220 (ccp_initialize): Likewise.
3221 (ccp_fold): Handle propagating through *&.
3222 (fold_const_aggregate_ref): Also handle decls.
3224 2009-03-28 Jan Hubicka <jh@suse.cz>
3226 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3227 * cgraph.h (cgraph_node): Likewise.
3228 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3229 (cgraph_reset_node): Use process flag.
3230 (cgraph_mark_functions_to_output): Likewise.
3231 (cgraph_expand_function): Likewise.
3232 (cgraph_expand_all_functions): Likewise.
3233 (cgraph_output_in_order): Likewise.
3234 * dwarf2out.c (reference_to_unused): Likewise.
3235 * passes.c do_per_function_toporder): Likewise.
3237 2009-03-28 Jan Hubicka <jh@suse.cz>
3239 Bring from lto-branch:
3241 2008-09-03 Doug Kwan <dougkwan@google.com>
3243 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3244 enums instead of reason strings.
3245 * cgraph.c (cgraph_create_edge): Same.
3246 (cgraph_inline_failed_string): New function.
3247 * cgraph.h (cgraph_inline_failed_t): New enum type.
3248 (cgraph_inline_failed_string): New prototype.
3249 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3250 char pointer to cgraph_inline_failed_t.
3251 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3252 (cgraph_default_inline_p): Ditto.
3253 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3254 to cgraph_inline_failed_t pointer.
3255 * cif-code.def: New file.
3256 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3258 (cgraph_check_inline_limits): Change type of REASON to pointer to
3259 cgraph_inline_failed_t. Replace reason strings with enums.
3260 (cgraph_default_inline_p): Ditto.
3261 (cgraph_recursive_inlining_p): Ditto.
3262 (update_caller_keys): Change type of FAILED_REASON to
3263 cgraph_inline_failed_t.
3264 (cgraph_set_inline_failed): Change type of REASON to pointer to
3265 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3266 convert enums to strings for text output.
3267 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3268 to be of type cgraph_inline_failed_t. Replace reason strings with
3269 enums. Call cgraph_inline_failed_string to covert enums
3270 to strings for text output.
3271 (cgraph_decide_inlining): Replace reason strings with enums.
3272 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3273 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3275 * tree-inline.c (expand_call_inline): Change type of REASON
3276 to cgraph_inline_failed_t. Replace reason strings with enums.
3277 Call cgraph_inline_failed_string for text output.
3278 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3281 2009-03-28 Jan Hubicka <jh@suse.cz>
3283 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3284 cgraph_clone_node): Remove master clone handling.
3285 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3286 * cgraph.h (master_clone): Remove.
3287 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3288 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3289 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3291 2009-03-28 Jan Hubicka <jh@suse.cz>
3293 * cgraph.c (cgraph_function_body_availability): Functions declared
3294 inline are always safe to assume that it is not going to be replaced.
3296 2009-03-28 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/38513
3299 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3300 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3301 EXC_PTR_EXPR and FILTER_EXPR.
3302 (get_ref_from_reference_ops): Likewise.
3304 2009-03-28 Richard Guenther <rguenther@suse.de>
3306 PR tree-optimization/38968
3307 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3308 Use FLOOR_MOD_EXPR to compute misalignment.
3310 2009-03-28 Richard Guenther <rguenther@suse.de>
3312 PR tree-optimization/37795
3313 * tree.h (combine_comparisons): Declare.
3314 * fold-const.c (combine_comparisons): Export.
3315 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3317 (ifcombine_iforif): Use combine_comparisons.
3319 2009-03-28 Jan Hubicka <jh@suse.cz>
3321 * tree-eh.c (inlinable_call_p): New function.
3322 (make_eh_edges): Use it.
3323 (verify_eh_edges): Use it.
3324 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3325 * except.c (reachable_next_level): Add inlinable_function argument
3326 (sjlj_find_directly_reachable_regions): Update.
3327 (add_reachable_handler): Do not set saw_any_handlers.
3328 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3329 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3330 Add new inlinable call parameter.
3331 (can_throw_internal, can_throw_external): Update.
3332 * except.h (can_throw_internal_1, can_throw_external_1,
3333 foreach_reachable_handler): Update declaration.
3335 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3337 * config/arm/t-arm-coff, config/h8300/coff.h,
3338 config/i386/i386-aout.h, config/i386/i386-coff.h,
3339 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3340 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3341 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3342 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3343 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3344 sys-types.h: Remove.
3345 * Makefile.in: Remove protoize and fixproto support and references
3347 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3348 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3350 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3351 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3352 unprotoize$(exeext).
3353 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3354 (.PHONY): Don't depend on proto.
3355 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3356 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3357 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3358 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3359 build/gen-protos.o, build/scan.o, xsys-protos.h,
3360 build/fix-header$(build_exeext), build/fix-header.o,
3361 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3362 stmp-install-fixproto): Remove.
3363 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3364 SYSCALLS.c or fixproto files.
3365 (install-common): Don't install protoize.
3366 (install-headers-tar, install-headers-cpio, install-headers-cp):
3367 Don't depend on $(STMP_FIXPROTO).
3368 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3369 install fixproto files or write out fixproto settings.
3370 (uninstall): Don't uninstall protoize.
3371 * config.gcc (use_fixproto): Remove.
3372 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3373 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3374 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3375 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3376 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3377 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3378 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3379 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3380 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3381 * config/t-vxworks (STMP_FIXPROTO): Remove.
3382 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3383 STMP_FIXPROTO): Remove.
3384 * config.in, configure: Regenerate.
3385 * crtstuff.c (gid_t, uid_t): Don't undefine.
3386 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3387 (arm-*-coff, arm-*-aout: Remove target entries.
3388 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3389 Remove mention of AIX 4.1.
3390 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3391 * doc/invoke.texi (Running Protoize): Remove.
3392 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3393 (Protoize Caveats): Remove.
3394 * tsystem.h: Update comments on headers assumed to exist.
3396 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3398 * genautomata.c: Add a new year to the copyright. Add a new
3400 (struct insn_reserv_decl): Add comments for member bypass_list.
3401 (find_bypass): Remove.
3402 (insert_bypass): New.
3403 (process_decls): Use insert_bypass.
3404 (output_internal_insn_latency_func): Output all bypasses with the
3405 same input insn in one switch case.
3407 * rtl.def (define_bypass): Describe bypass choice.
3408 * doc/md.texi (define_bypass): Ditto.
3410 2009-03-27 Richard Guenther <rguenther@suse.de>
3412 * gimplify.c (mark_addressable): Export.
3413 * tree-flow.h (mark_addressable): Declare.
3414 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3415 * tree-ssa.c (verify_phi_args): Verify that address taken
3416 variables have TREE_ADDRESSABLE set.
3418 2009-03-27 Richard Guenther <rguenther@suse.de>
3420 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3421 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3422 Do not mark decls TREE_ADDRESSABLE.
3423 (build_fold_addr_expr): Adjust.
3424 (fold_addr_expr): Remove.
3425 (fold_unary): Use build_fold_addr_expr.
3426 (fold_comparison): Likewise.
3427 (split_address_to_core_and_offset): Likewise.
3428 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3430 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3431 (gimplify_modify_expr_to_memcpy): Mark source and destination
3433 * omp-low.c (create_omp_child_function): Mark the object decl
3435 (lower_rec_input_clauses): Mark the var we take the address of
3437 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3439 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3442 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3443 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3445 2009-03-27 Richard Guenther <rguenther@suse.de>
3447 PR tree-optimization/39120
3448 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3450 (handle_lhs_call): Process return constraints. Add escape
3451 constraints if necessary.
3452 (handle_const_call): Fill out return constraints. Make nested
3453 case more precise. Avoid consttmp if possible.
3454 (handle_pure_call): Fill out return constraints. Avoid
3455 callused if possible.
3456 (find_func_aliases): Simplify call handling.
3458 2009-03-27 Richard Guenther <rguenther@suse.de>
3460 PR tree-optimization/39120
3461 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3462 as a representative.
3463 (solve_graph): Do propagate CALLUSED.
3464 (handle_pure_call): Use a scalar constraint from CALLUSED for
3466 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3469 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3472 * c-common.c (handle_aligned_attribute): Properly check alignment
3473 overflow. Use (1U << i) instead of (1 << i).
3475 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3477 * expr.h (get_mem_align_offset): Updated.
3479 * tree.h (tree_decl_common): Change align to "unsigned int" and
3480 move it before pointer_alias_set.
3482 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3483 Jakub Jelinek <jakub@redhat.com>
3486 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3487 gr_register_operand with gr_reg_or_0_operand.
3488 (cmpxchg_rel_di): Likewise.
3489 (sync_lock_test_and_set<mode>): Likewise.
3491 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3493 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3494 (true_regnum): Likewise.
3496 * rtlanal.c (subreg_info): Moved to ...
3497 * rtl.h (subreg_info): Here. New.
3498 (subreg_get_info): New.
3500 * rtlanal.c (subreg_get_info): Make it extern.
3502 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3505 * config/i386/i386.c (ix86_abi): New.
3506 (override_options): Handle -mabi=.
3507 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3508 (ix86_call_abi_override): Likewise.
3509 (init_cumulative_args): Likewise.
3510 (function_arg_advance): Likewise.
3511 (function_arg_64): Likewise.
3512 (function_arg): Likewise.
3513 (ix86_pass_by_reference): Likewise.
3514 (ix86_function_value_regno_p): Likewise.
3515 (ix86_build_builtin_va_list_abi): Likewise.
3516 (setup_incoming_varargs_64): Likewise.
3517 (is_va_list_char_pointer): Likewise.
3518 (ix86_init_machine_status): Likewise.
3519 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3520 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3521 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3522 (ix86_function_abi): Make it static and return enum calling_abi.
3523 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3525 (ix86_fn_abi_va_list): Updated.
3527 * config/i386/i386.h (ix86_abi): New.
3528 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3529 (CONDITIONAL_REGISTER_USAGE): Likewise.
3530 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3531 (machine_function): Likewise.
3533 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3535 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3536 (STACK_BOUNDARY): Likewise.
3537 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3539 * config/i386/i386.opt (mabi=): New.
3541 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3542 return enum calling_abi.
3543 (ix86_function_type_abi): Likewise.
3544 (ix86_function_abi): Removed.
3546 * doc/invoke.texi: Document -mabi= option for x86.
3548 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * builtins.c (real_dconstp): Delete.
3551 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3553 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3554 Jakub Jelinek <jakub@redhat.com>
3557 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3558 (gen_subprogram_die): When a function is explicit, generate the
3559 DW_AT_explicit attribute.
3560 * langhooks.h (struct lang_hooks_for_decls): Add
3561 function_decl_explicit_p langhook.
3562 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3563 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3565 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3567 * builtins.c (fold_builtin_memory_op): Optimize memmove
3568 into memcpy if we can prove source and destination don't overlap.
3570 * tree-inline.c: Include gt-tree-inline.h.
3571 (clone_fn_id_num): New variable.
3572 (clone_function_name): New function.
3573 (tree_function_versioning): Use it.
3574 * Makefile.in (GTFILES): Add tree-inline.c.
3576 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3578 * BASE-VER: Change to 4.5.0.
3580 2009-03-27 Xinliang David Li <davidxl@google.com>
3582 PR tree-optimization/39557
3583 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3585 2009-03-27 Xinliang David Li <davidxl@google.com>
3587 PR tree-optimization/39548
3588 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3591 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3593 * c-common.c (pointer_int_sum): Use %wd on return from
3596 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3598 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3599 on return from tree_low_cst.
3601 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3604 * ginclude/stdarg.h (va_copy): Define also for
3605 __GXX_EXPERIMENTAL_CXX0X__.
3607 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3610 * builtins.h (c_strlen): Do not warn here.
3611 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3612 * c-common.c (pointer_int_sum): Take an explicit location.
3613 Warn about offsets out of bounds.
3614 * c-common.h (pointer_int_sum): Adjust declaration.
3616 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3618 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3621 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3624 * opts.c (warn_if_disallowed_function_p): Don't assume
3625 get_callee_fndecl must return non-NULL.
3627 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3629 PR rtl-optimization/39522
3630 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3631 when reg_reloaded_valid is set.
3633 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3635 * config/spu/divv2df3.c: New file.
3636 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3637 (DPBIT_FUNCS): Filter out _div_df.
3639 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3641 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3642 a jump insn, count that jump in the distance to the loop start.
3644 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3647 * config/sh/sh.c (calc_live_regs): Fix condition for global
3648 registers except PIC_OFFSET_TABLE_REGNUM.
3650 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3653 * doc/invoke.texi (-mconsole): New.
3657 (-mnop-fun-dllimport): New.
3661 (sub section "i386 and x86-64 Windows Options"): New.
3663 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3665 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3666 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3668 2009-03-25 Richard Guenther <rguenther@suse.de>
3671 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3674 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3676 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3677 neither of haifa/selective schedulers are working.
3679 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3681 * doc/invoke.texi (Debugging Options): Fix description of
3682 -fno-merge-debug-strings.
3684 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3686 * config/cris/libgcc.ver: New version-script.
3687 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3689 * configure.ac <GAS features, nop mnemonic>: Add pattern
3690 crisv32-*-* for "nop".
3691 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3692 * configure: Regenerate.
3694 2009-03-24 Ira Rosen <irar@il.ibm.com>
3696 PR tree-optimization/39529
3697 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3698 mark_sym_for_renaming for the tag copied to the new vector
3701 2009-03-24 Arthur Loiret <aloiret@debian.org>
3703 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3704 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3705 EXTRA_SPEC_FUNCTIONS.
3706 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3707 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3708 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3709 -march and -mtune options.
3711 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3713 * config/m68k/t-rtems: Add m5329 multilib.
3715 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3716 Jakub Jelinek <jakub@redhat.com>
3719 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3722 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3725 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3726 instead of c_parser_expression_conv, if original_code isn't one of the
3727 4 allowed comparison codes, fail.
3729 2009-03-23 Richard Guenther <rguenther@suse.de>
3731 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3732 * tree.h (struct tree_type): Likewise.
3733 * reload.h (struct insn_chain): Likewise.
3734 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3735 * function.h (struct function): Likewise.
3736 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3738 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3740 PR tree-optimization/39516
3741 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3743 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3745 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3746 should be set true if BITS_PER_WORD of target is bigger than 32
3748 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3750 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3751 Translate -B-options to -rpath-link. Correct existing
3752 rpath-link and conditionalize on !nostdlib.
3754 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3756 * doc/extend.texi (Function Attributes, Variable Attributes):
3758 * doc/invoke.texi (Debugging Options, Optimize Options)
3759 (i386 and x86-64 Options, MCore Options): Likewise.
3761 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3764 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3765 it for block local namespace aliases.
3766 (gen_decl_die): Pass context_die to gen_namespace_die.
3768 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3771 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3772 minimum or maximum value.
3774 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3776 * reginfo.c (globalize_reg): Recompute derived reg sets.
3778 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3781 * libgcc2.c (mprotect): Do not use signed arguments for
3782 VirtualProtect, use DWORD arguments. Also fix the 'may
3783 be used uninitialized' warning for the np variable.
3785 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3788 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3789 functions using regparm calling conventions when not optimizing.
3790 (ix86_function_sseregparm): Similarly for sseregparm calling
3793 2009-03-19 Li Feng <nemokingdom@gmail.com>
3796 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3797 dependence if the first conflict is after niter iterations.
3799 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3802 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3803 functions with dynamic stack-pointer adjustments.
3805 2009-03-19 Ben Elliston <bje@au.ibm.com>
3807 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3808 option; change to -msdata=data.
3810 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3812 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3815 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3818 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3820 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3822 * doc/invoke.texi (Code Gen Options): Expand discussion of
3825 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3827 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3828 * matrix-reorg.c (struct matrix_info): Likewise.
3829 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3830 * rtl.h (struct mem_attrs): Likewise.
3831 * df.h (struct df): Likewise.
3832 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3833 * ira-int.h (struct ira_allocno): Likewise.
3834 * df-scan.c (struct df_collection_rec): Likewise.
3835 * ira.c (struct equivalence): Likewise.
3836 * function.c (struct temp_slot): Likewise.
3837 * cfgloop.h (struct loop): Likewise.
3840 * function.c (use_register_for_decl): When not optimizing, disregard
3841 register keyword for variables with types containing methods.
3843 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3846 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3847 (is_simple_operand): Call contains_component_ref_p before calling data
3848 reference analysis that would fail on COMPONENT_REFs.
3850 * tree-vrp.c (search_for_addr_array): Fix formatting.
3852 2009-03-18 Richard Guenther <rguenther@suse.de>
3854 * tree-vect-transform.c (vect_loop_versioning): Fold the
3855 generated comparisons.
3856 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3857 (slpeel_tree_peel_loop_to_edge): Likewise.
3859 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3862 * opts.c (print_specific_help): In addition to `undocumented',
3863 accept `separate' and `joined' flags if passed alone. Describe
3864 output by the first matched one of those.
3865 (common_handle_option): Skip over empty strings.
3866 * gcc.c (display_help): Fix help string for `--help='.
3867 * doc/invoke.texi (Option Summary, Overall Options): With
3868 `--help=', classes and qualifiers can both be repeated, but
3869 only the latter can be negated. One should not pass only
3870 negated qualifiers. Fix markup and examples.
3873 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3875 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3876 and -fhelp=separate.
3878 2009-03-17 Jing Yu <jingyu@google.com>
3881 * function.h (struct rtl_data): Move is_thunk from here...
3882 (struct function): ...to here.
3883 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3884 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3886 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3888 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3889 (alpha_output_function_end_prologue): Likewise.
3890 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3891 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3892 (rs6000_output_function_epilogue): Likewise.
3893 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3895 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3898 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3899 from different units in a single alternative.
3900 (*truncdfsf_i387): Ditto.
3901 (*truncxfsf2_mixed): Ditto.
3902 (*truncxfdf2_mixed): Ditto.
3904 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3906 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3907 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3910 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3911 unused non-artificial variables when not optimizing.
3914 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3915 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3916 NAMESPACE_DECL in its DECL_INITIAL.
3919 * optabs.c (set_user_assembler_libfunc): New function.
3920 * expr.h (set_user_assembler_libfunc): New prototype.
3921 * c-common.c: Include libfuncs.h.
3922 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3923 for memcmp, memset, memcpy, memmove and abort.
3924 * Makefile.in (c-common.o): Depend on libfuncs.h.
3927 * dwarf2out.c (gen_inlined_enumeration_type_die,
3928 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3929 gen_tagged_type_instantiation_die): Removed.
3930 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3933 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3936 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3938 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3939 (check-parallel-%): Ditto.
3940 (check-consistency): Ditto.
3942 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3944 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3945 local variable rhs by NULL_TREE.
3947 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3950 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3952 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3955 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3957 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3960 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3961 for ms->sysv ABI calls only in 64bit mode.
3963 * config/i386/i386.md (untyped_call): Support 32bit.
3965 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3967 * doc/extend.texi: Replace x86_65 with x86_64.
3969 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3971 PR tree-optimization/39455
3972 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3973 mismatches for POINTER_TYPE_P (type).
3974 (number_of_iterations_le): Likewise.
3976 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3978 * config/picochip/picochip.c: Removed profiling support.
3979 * config/picochip/picochip.md: Removed profiling instruction.
3980 * config/picochip/picochip.h: Removed profiling builtin.
3982 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3984 * doc/install.texi (--with-host-libstdcxx): Document.
3986 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3989 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3990 generate a warning if the function name does not begin with
3991 "__vector" and the function has either the 'signal' or 'interrupt'
3992 attribute, from here to ...
3993 (avr_declare_function_name): ...here. New function.
3994 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3995 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3997 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4000 * cse.c (fold_rtx): Don't modify original const_arg1 when
4001 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4002 separate variable instead.
4003 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4004 from out of range shift counts.
4005 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4007 2008-03-13 Catherine Moore <clm@codesourcery.com>
4009 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4010 diagnostic.h with $(DIAGNOSTIC_H).
4012 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4015 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4017 * config/i386/sync.md (sync_compare_and_swap<mode>,
4018 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4019 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4021 (sync_double_compare_and_swapdi_pic,
4022 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4023 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4025 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4028 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4030 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4033 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4034 (avx_addsubv4df3): Likewise.
4035 (*avx_addsubv4sf3): Likewise.
4036 (sse3_addsubv4sf3): Likewise.
4038 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4041 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4043 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4046 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4047 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4048 registers for allocnos created from user-defined variables.
4050 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4053 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4054 of non-integer mode as well.
4056 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4058 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4059 for functions for which the parameter types are unknown.
4061 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4064 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4065 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4066 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4067 * config/i386/i386.c (ix86_local_alignment): For
4068 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4069 long long variables on the stack to avoid dynamic realignment.
4070 Allow the first argument to be a decl rather than type.
4071 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4073 2009-03-11 Nick Clifton <nickc@redhat.com>
4076 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4078 Add description to mno-lsim option.
4079 * config/mcore/mcore.h: Remove comment about deprecated m4align
4081 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4082 * doc/invoke.texi: Add description of mno-lsim and
4083 mstack-increment options.
4085 * config/fr30/fr30.opt: Document the -mno-lsim option.
4086 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4087 and -mno-lsim options.
4089 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4091 * fold-const.c (fold_comparison): Only call fold_inf_compare
4092 if the mode supports infinities.
4094 2009-03-11 Jason Merrill <jason@redhat.com>
4097 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4098 end already did. Notice GIMPLE_CALL modifications of the result.
4099 Don't copy debug information from an ignored decl or a decl from
4102 2009-03-10 Richard Guenther <rguenther@suse.de>
4103 Nathan Froyd <froydnj@codesourcery.com>
4106 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4107 (__divMODE3): Likewise.
4109 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4111 PR tree-optimization/39394
4112 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4113 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4115 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4117 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4118 inline asms for register asm ("") declarations.
4120 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4122 * fold-const.c (fold_unary): Fix comment.
4124 2009-03-07 Jan Hubicka <jh@suse.cz>
4127 * tree-inline.c (setup_one_parameter): Do replacement of const
4128 argument by constant in SSA form.
4130 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4133 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4134 determine alignment passed to assign_stack_local.
4135 (assign_parms_unsplit_complex): Likewise.
4136 * except.c (sjlj_build_landing_pads): Likewise.
4138 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4141 * tree-flow.h (add_referenced_var): Return bool instead of void.
4142 * tree-dfa.c (add_referenced_var): Return result of
4143 referenced_var_check_and_insert call.
4144 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4145 of referenced_var_check_and_insert.
4148 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4149 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4150 DIE, don't emit it if abstract origin already has it.
4151 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4152 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4154 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4156 * genpreds.c (needs_variable): Fix parentheses at variable name
4158 (write_tm_constrs_h): Indent generated code.
4160 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4162 * doc/extend.texi (Function Attributes): Add documentation
4165 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4168 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4169 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4171 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4173 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4176 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4179 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4180 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4182 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4184 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4185 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4186 constants instead of magic numbers.
4187 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4189 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4190 (x86_64_ms_abi_int_parameter_registers): Ditto.
4191 (x86_64_int_return_registers): Ditto.
4192 (ix86_maybe_switch_abi): Ditto.
4193 (ix86_expand_call): Ditto for clobbered_registers array.
4194 (ix86_hard_regno_mode_ok): Ditto.
4195 (x86_extended_QIreg_mentioned_p): Ditto.
4197 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4199 PR tree-optimization/39349
4200 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4202 * combine.c (gen_lowpart_for_combine): Use omode when generating
4205 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4207 PR rtl-optimization/39235
4208 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4210 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4212 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4214 2009-03-04 Richard Guenther <rguenther@suse.de>
4216 PR tree-optimization/39362
4217 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4218 that occur in abnormal PHIs should be varying.
4220 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4222 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4224 (simple_iv): Take loop as an argument instead of statement.
4225 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4226 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4228 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4230 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4231 * matrix-reorg.c (analyze_transpose): Ditto.
4232 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4233 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4234 * tree-predcom.c (ref_at_iteration): Ditto.
4235 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4237 2009-03-04 Richard Guenther <rguenther@suse.de>
4239 PR tree-optimization/39358
4240 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4241 escaped_id and callused_id.
4242 (solve_graph): Likewise.
4244 2009-03-04 Richard Guenther <rguenther@suse.de>
4246 PR tree-optimization/39339
4247 * tree-sra.c (try_instantiate_multiple_fields): Make it
4248 no longer ICE on the above.
4250 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4252 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4253 that fits within Pmode.
4255 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4258 * tm.texi (LIBCALL_VALUE): Update description.
4260 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4263 * doc/extend.texi (section): Update description.
4265 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4268 * tree-inline.c (remapped_type): New.
4269 (can_be_nonlocal): Call remapped_type instead of remap_type.
4271 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4274 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4275 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4277 2009-03-03 Richard Guenther <rguenther@suse.de>
4280 * tree.c (tree_nonartificial_location): New function.
4281 * tree.h (tree_nonartificial_location): Declare.
4282 * builtins.c (expand_builtin_memory_chk): Provide location
4283 of the call location for artificial function pieces.
4284 (maybe_emit_chk_warning): Likewise.
4285 (maybe_emit_sprintf_chk_warning): Likewise.
4286 (maybe_emit_free_warning): Likewise.
4287 * expr.c (expand_expr_real_1): Likewise.
4289 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4291 PR tree-optimization/39343
4292 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4293 COMPONENT_REF t has ARRAY_TYPE.
4295 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4298 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4299 when the type precision of the induction variable should be
4300 larger than the type precision of nit.
4301 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4302 * graphite.c (graphite_loop_normal_form): Same.
4303 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4305 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4307 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4308 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4309 numbers to describe clobbered registers.
4310 (*call_value_0_rex64_ms_sysv): Ditto.
4311 * config/i386/mmx.md (mmx_emms): Ditto.
4314 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4316 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4319 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4321 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4322 (spu_section_type_flags): New function.
4324 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4326 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4327 reg_class_contents of FLOAT_REGS into a temporary.
4329 2009-03-02 Richard Guenther <rguenther@suse.de>
4330 Ira Rosen <irar@il.ibm.com>
4332 PR tree-optimization/39318
4333 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4334 information to the vectorized statement.
4336 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4338 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4339 variable. Use defined names instead of magic constants for REX SSE
4342 2009-03-01 Richard Guenther <rguenther@suse.de>
4344 PR tree-optimization/39331
4345 * omp-low.c (lower_send_shared_vars): Do not receive new
4346 values for the reference of DECL_BY_REFERENCE parms or results.
4348 2009-03-01 Jan Hubicka <jh@suse.cz>
4351 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4352 BLOCK_NONLOCALIZED_VAR): New macros.
4353 (tree_block): Add nonlocalized_vars.
4354 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4355 gen_decl_die): Add origin argument. Allow generation of die with
4356 origin at hand only.
4357 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4358 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4360 (gen_block_die): Fix checking for unused blocks.
4361 (process_scope_var): Break out from .... ; work with origins only.
4362 (decls_for_scope) ... here; process nonlocalized list.
4363 (dwarf2out_ignore_block): Look for nonlocalized vars.
4364 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4366 (dump_scope_block): Dump them.
4367 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4368 (remap_block): Likewise.
4369 (can_be_nonlocal): New predicate.
4370 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4372 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4374 * configure: Regenerate.
4376 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4378 * optc-gen.awk: No need to duplicate option flags twice.
4379 Reuse help texts for duplicate options which do not have any.
4381 * gcc.c (display_help): Document --version.
4383 * gcc.c (main): If print_help_list and verbose_flag, ensure
4384 driver output comes before subprocess output.
4386 * optc-gen.awk: Assign all remaining fields to help string,
4387 space-separated, for multi-line help in *.opt.
4389 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4390 -Wno-pedantic-ms-format is for MinGW targets only.
4392 * doc/options.texi (Option file format): Fix bad indentation,
4393 restoring dropped sentence.
4395 2009-02-28 Jan Hubicka <jh@suse.cz>
4397 * tree-inline.c (tree_function_versioning): Output debug info.
4399 2009-02-28 Jan Hubicka <jh@suse.cz>
4402 * tree-inline.c (setup_one_parameter): Do not copy propagate
4403 arguments when not optimizing.
4405 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4408 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4409 (avx_addsubv4df3): Likewise.
4410 (*avx_addsubv4sf3): Likewise.
4411 (sse3_addsubv4sf3): Likewise.
4412 (*avx_addsubv2df3): Likewise.
4413 (sse3_addsubv2df3): Likewise.
4414 (avx_unpckhps256): Correct item selectors.
4415 (avx_unpcklps256): Likewise.
4416 (avx_unpckhpd256): Likewise.
4417 (avx_unpcklpd256): Likewise.
4419 2009-02-28 Jan Hubicka <jh@suse.cz>
4421 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4423 (copy_arguments_for_versioning): If var is declared don't declare it.
4424 (tree_function_versioning): First setup substitutions and then copy
4427 2009-02-27 Jan Hubicka <jh@suse.cz>
4430 * cgraph.h (varpool_output_debug_info): Remove.
4431 * cgraphunit.c (varpool_output_debug_info): Remove.
4432 * dwarf2out.c (deferred_locations_struct): New struct
4433 (deferred_locations): New type.
4434 (deferred_locations_list): New static var.
4435 (deffer_location): New function.
4436 (gen_variable_die): Use it.
4437 (decls_for_scope): Output info on local static vars.
4438 (dwarf2out_finish): Process deferred locations.
4439 * varpool.c (varpool_output_debug_info): Remove.
4441 2009-02-27 Jan Hubicka <jh@suse.cz>
4444 * tree.h (TREE_PROTECTED): Fix comment.
4445 (BLOCK_HANDLER_BLOCK): Remove.
4446 (struct tree_block): Remove handler_block add body_block.
4447 (inlined_function_outer_scope_p): New.
4448 (is_body_block): Remove.
4449 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4450 * dwarf2out.c (is_inlined_entry_point): Remove.
4451 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4452 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4454 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4455 * gimplify.c (gimplify_expr): Gimplify body blocks.
4456 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4457 block with multiple subblocks.
4458 (dump_scope_block): Prettier output; dump more flags and info.
4459 (dump_scope_blocks): New.
4460 (remove_unused_locals): Use dump_scope_blocks.
4461 * tree-flow.h (dump_scope_blocks): Declare.
4462 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4463 * stmt.c (is_body_block): Remove.
4464 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4465 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4467 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4470 * graphite.c (graphite_loop_normal_form): Do not call
4471 number_of_iterations_exit from a gcc_assert.
4473 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4475 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4476 jumps if COND is NULL.
4477 (find_cond_jump): New function.
4478 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4479 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4481 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4483 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4484 force_const_mem returns NULL_RTX.
4486 2009-02-26 Jan Hubicka <jh@suse.cz>
4489 * cgraph.h (varpool_output_debug_info): Remove.
4490 * cgraphunit.c (varpool_output_debug_info): Remove.
4491 * dwarf2out.c (deferred_locations_struct): New struct
4492 (deferred_locations): New type.
4493 (deferred_locations_list): New static var.
4494 (deffer_location): New function.
4495 (gen_variable_die): Use it.
4496 (decls_for_scope): Output info on local static vars.
4497 (dwarf2out_finish): Process deferred locations.
4498 * varpool.c (varpool_output_debug_info): Remove.
4500 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4502 PR rtl-optimization/39241
4503 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4504 to subreg_offset_representable_p.
4506 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4508 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4509 execute function prototype. Get f and nregs from max_reg_num
4510 and get_insns. Remove the first backward pass as it's dead,
4511 guard the forward pass by flag_expensive_optimizations.
4512 (rest_of_handle_regmove): Delete.
4513 (pass_regmove): Replace it with regmove_optimize.
4515 2009-02-25 Martin Jambor <mjambor@suse.cz>
4517 PR tree-optimization/39259
4518 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4519 calls_alloca function flags.
4520 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4523 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4525 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4526 flags_set_1_rtx, flags_set_1_set): Delete.
4527 (regmove_optimize): Do not call mark_flags_life_zones.
4529 2009-02-24 Julian Brown <julian@codesourcery.com>
4532 * config/arm/arm.c (require_pic_register): Only set
4533 cfun->machine->pic_reg once per function.
4535 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4537 * doc/invoke.texi (Link Options): Document an easier way to pass
4538 options that take arguments to the GNU linker using -Xlinker and -Wl.
4540 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4543 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4545 2009-02-24 Richard Guenther <rguenther@suse.de>
4548 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4550 2009-02-24 Richard Guenther <rguenther@suse.de>
4551 Zdenek Dvorak <ook@ucw.cz>
4553 PR tree-optimization/39233
4554 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4555 from converting them to a generic type.
4557 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4559 PR tree-optimization/39260
4560 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4561 contains a condition with a real type.
4562 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4564 2009-02-23 Jason Merrill <jason@redhat.com>
4567 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4568 narrowing_initializer_constant_valid_p.
4569 (narrowing_initializer_constant_valid_p): Don't return
4570 null_pointer_node for adding a pointer to itself.
4572 2009-02-23 Jan Hubicka <jh@suse.cz>
4575 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4578 2009-02-23 Jan Hubicka <jh@suse.cz>
4580 PR tree-optimization/37709
4581 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4582 * tree.h (block_ultimate_origin): Declare.
4583 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4584 * tree-ssa-live.c (remove_unused_scope_block_p):
4585 Eliminate blocks containig no instructions nor live variables nor
4587 (dump_scope_block): New function.
4588 (remove_unused_locals): Enable removal of dead blocks by default;
4589 enable dumping at TDF_DETAILS.
4591 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4593 * config/i386/i386.c (classify_argument): Don't allow COImode
4595 (function_arg_advance_32): Don't allow OImode.
4596 (function_arg_32): Likewise.
4597 (function_value_32): Likewise.
4598 (return_in_memory_32): Likewise.
4599 (function_arg_64): Remove OImode comment.
4601 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4604 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4605 ix86_expand_vector_set for V4DImode in 64bit mode only.
4606 (ix86_expand_vector_init_one_var): Likewise.
4608 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4610 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4612 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4615 * loop-iv.c: Revert last change.
4616 * emit-rtl.c: Likewise.
4618 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4621 * config/i386/i386.c (type_natural_mode): Remove an extra
4622 space in the warning message.
4623 (function_value_32): Handle 32-byte vector modes.
4624 (return_in_memory_32): Likewise.
4626 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4628 * loop-iv.c (truncate_value): New function.
4629 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4631 (lowpart_subreg): Move to...
4632 * emit-rtl.c: ...here.
4634 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4636 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4637 accidental and undocumented change at revision 140860.
4639 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4641 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4642 take gimple_seq * arguments.
4643 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4644 types_compatible_p langhook.
4646 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4647 Joseph Myers <joseph@codesourcery.com>
4649 * config/arm/arm.c (arm_builtin_va_list): New function.
4650 (arm_expand_builtin_va_start): Likewise.
4651 (arm_gimplify_va_arg_expr): Likewise.
4652 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4653 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4654 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4655 (va_list_type): New variable.
4656 (arm_mangle_type): Mangle va_list_type appropriately.
4658 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4661 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4662 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4663 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4664 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4665 parameter to 1000 for -O1 by default.
4666 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4668 * loop-invariant.c: Include params.h.
4669 (move_loop_invariants): Don't call move_single_loop_invariants on
4672 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4674 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4675 offset when calculating bounds for indexing stack_usage_map. Fixes
4676 a buffer overflow with certain target setups.
4678 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4681 * calls.c (expand_call): Clear try_tail_call if caller and callee
4682 disagree in promotion of function return value.
4684 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4687 * c-common.c (c_determine_visibility): If visibility changed and
4688 DECL_RTL has been already set, call make_decl_rtl to update symbol
4691 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4694 * varasm.c (assemble_variable): Don't check DECL_NAME when
4695 globalizing a variable.
4697 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4700 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4701 expression before any __builtin_trap call.
4702 * c-typeck.c (build_function_call): Convert and check function
4703 arguments before generating a call to a trap. Evaluate the
4704 function arguments before the trap.
4706 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4709 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4710 (UNSPEC_FXAM_MEM): New unspec.
4711 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4712 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4713 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4715 2009-02-19 Richard Guenther <rguenther@suse.de>
4717 PR tree-optimization/39207
4718 PR tree-optimization/39074
4719 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4720 storedanything_tree): New.
4721 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4722 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4723 (build_succ_graph): Add edges from STOREDANYTHING to all
4725 (init_base_vars): Initialize STOREDANYTHING.
4726 (compute_points_to_sets): Free substitution info after
4727 building the succ graph.
4728 (ipa_pta_execute): Likewise.
4730 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4732 (do_ds_constraint): Do not add to special var or non-pointer
4734 (type_could_have_pointers): Split out from ...
4735 (could_have_pointers): ... here. For arrays use the element type.
4736 (create_variable_info_for): Initialize may_have_pointers.
4737 (new_var_info): Likewise.
4738 (handle_lhs_call): Make the HEAP variable unknown-sized.
4739 (intra_create_variable_infos): Use a type with pointers for
4740 PARM_NOALIAS, make it unknown-sized.
4742 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4745 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4747 2009-02-18 Jason Merrill <jason@redhat.com>
4750 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4751 value if DECL_EXTERNAL.
4752 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4753 * target.h (gcc_target::binds_local_p): Clarify "module".
4754 * tree.h (TREE_PUBLIC): Clarify "module".
4756 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4759 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4760 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4762 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4765 * c.opt (Wabi): Support C and ObjC.
4768 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4770 * config/i386/i386.c (classify_argument): Warn once about the ABI
4771 change when passing union with long double.
4773 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4775 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4778 * c-parser.c (c_parser_compound_statement): Always enter and leave
4781 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4784 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4786 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4788 PR tree-optimization/36922
4789 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4790 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4793 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4795 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4798 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4800 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4802 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4804 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4807 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4808 Richard Sandiford <rdsandiford@googlemail.com>
4810 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4811 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4812 (loongson_biadd): ...this.
4814 2009-02-17 Richard Guenther <rguenther@suse.de>
4816 PR tree-optimization/39202
4817 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4818 a var make sure to follow existing collapses.
4820 2009-02-17 Richard Guenther <rguenther@suse.de>
4823 * langhooks.c (lhd_print_error_function): Check for NULL block.
4825 2009-02-17 Richard Guenther <rguenther@suse.de>
4827 PR tree-optimization/39204
4828 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4831 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4833 * config/soft-fp/double.h: Update from glibc CVS.
4835 2009-02-17 Richard Guenther <rguenther@suse.de>
4837 PR tree-optimization/39207
4838 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4839 strict-aliasing warnings for pointers pointing to NULL.
4841 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4844 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4845 skipping until next close brace.
4847 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4850 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4851 to function argument boundary.
4853 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4855 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4856 in the lea_add. Reload eventually constraints it properly.
4857 * config/picochip/constraints.md : Remove the target constraint
4858 "b", since it is not needed anymore.
4860 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4862 * gthr-dce.h: Uglify function parameter and local variable names.
4863 * gthr-gnat.h: Likewise.
4864 * gthr-mipssde.h: Likewise.
4865 * gthr-nks.h: Likewise.
4866 * gthr-posix95.h: Likewise.
4867 * gthr-posix.h: Likewise.
4868 * gthr-rtems.h: Likewise.
4869 * gthr-single.h: Likewise.
4870 * gthr-solaris.h: Likewise.
4871 * gthr-tpf.h: Likewise.
4872 * gthr-vxworks.h: Likewise.
4873 * gthr-win32.h: Likewise.
4875 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4878 * config/i386/i386.md: Restrict the new peephole2 to move
4879 between MMX/SSE registers.
4881 2009-02-15 Richard Guenther <rguenther@suse.de>
4884 2009-02-13 Richard Guenther <rguenther@suse.de>
4886 * configure.ac: Enable LFS.
4887 * configure: Re-generate.
4888 * config.in: Likewise.
4890 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4892 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4893 spu_srqwbyte, spu_srqwbytebc): Define.
4894 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4895 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4896 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4897 "shrqby_<mode>"): New insn-and-split patterns.
4898 * config/spu/spu.c (expand_builtin_args): Determine and return
4899 number of operands using spu_builtin_description data.
4900 (spu_expand_builtin_1): Use it.
4902 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4905 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4908 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4911 * config/i386/i386.c (override_options): Correct warning
4912 messages for -malign-loops, -malign-jumps and -malign-functions.
4914 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4917 * config/i386/i386.md: Restrict the new peephole2 to move
4918 between the general purpose registers.
4920 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4923 * config/i386/i386.c (type_natural_mode): Add a new argument.
4924 Return the original mode and warn ABI change if vector size is 32byte.
4925 (function_arg_advance): Updated.
4926 (function_arg): Likewise.
4927 (ix86_function_value): Likewise.
4928 (ix86_return_in_memory): Likewise.
4929 (ix86_sol10_return_in_memory): Likewise.
4930 (ix86_gimplify_va_arg): Likewise.
4931 (function_arg_32): Don't warn ABX ABI change here.
4932 (function_arg_64): Likewise.
4934 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4936 * loop-iv.c (implies_p): In the final case, test that operands 0
4937 of the two comparisons match.
4939 * config/bfin/bfin.c (find_prev_insn_start): New function.
4940 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4941 (find_next_insn_start): Move.
4943 2009-02-13 Richard Guenther <rguenther@suse.de>
4945 * configure.ac: Enable LFS.
4946 * configure: Re-generate.
4947 * config.in: Likewise.
4949 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4952 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4953 sizes on syntax error after some arguments have been parsed.
4955 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4957 * doc/invoke.texi (-fira): Remove.
4959 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4961 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4962 * recog.c: Likewise.
4965 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4967 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4968 (umul_ppmm): Likewise.
4969 (count_leading_zeros): Likewise.
4970 (count_trailing_zeros): Likewise.
4971 (UMUL_TIME): Likewise.
4973 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4975 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4976 soft-fp/t-softfp to tmake_file.
4978 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4979 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4980 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4981 IA64_BUILTIN_INFQ]: New.
4982 (ia64_init_builtins): Initialize __builtin_infq,
4983 __builtin_fabsq and __builtin_copysignq if not HPUX.
4984 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4985 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4987 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4989 (__fixtfti): Likewise.
4990 (__fixunstfti): Likewise.
4991 (__floattitf): Likewise.
4993 * config/ia64/libgcc-glibc.ver: New.
4994 * config/ia64/t-fprules-softfp: Likewise.
4995 * config/ia64/sfp-machine.h: Likewise.
4997 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4998 (LIBGCC2_TF_CEXT): Likewise.
4999 (TF_SIZE): Likewise.
5000 (TARGET_INIT_LIBFUNCS): Likewise.
5002 * config/ia64/t-glibc (SHLINB_MAPFILES):
5003 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5005 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5007 * config/i386/i386.c (construct_container): Rewrite processing
5008 BLKmode with X86_64_SSE_CLASS.
5010 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5013 * config/i386/i386.md: Replace simplify_replace_rtx with
5014 replace_rtx in the new peephole2.
5016 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5018 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5019 loop unrolling do not happen at -O2.
5021 2009-02-12 Michael Matz <matz@suse.de>
5023 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5025 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5027 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5030 2009-02-12 Ben Elliston <bje@au.ibm.com>
5032 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5033 patterns when updating the back chain. Missed in the 2009-02-10
5036 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5038 * doc/extend.texi (Decimal Floating Types): Update identifier of
5039 draft TR and list of missing support.
5041 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5044 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5045 bit to variable length decl's flags, add it also to its
5046 pointer replacement variable.
5048 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5049 Jakub Jelinek <jakub@redhat.com>
5052 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5053 (memory_blockage): New expander.
5054 (*memory_blockage): New insn pattern.
5055 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5056 instead of general blockage at the end of function prologue when
5057 frame pointer is used to access red zone area. Do not emit blockage
5058 when profiling, it is emitted in generic code.
5059 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5060 function epilogue when frame pointer is used to access red zone area.
5062 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5065 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5066 by arithmetic with memory operands.
5067 * config/i386/predicates.md (commutative_operator): New.
5069 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5071 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5074 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5076 * alias.h (record_alias_subset): Declare.
5077 * alias.c (record_alias_subset): Make global.
5079 2009-02-10 Nick Clifton <nickc@redhat.com>
5081 * tree-parloops.c: Change license to GPLv3.
5082 * ipa-struct-reorg.c: Change license to GPLv3.
5083 * ipa-struct-reorg.h: Change license to GPLv3.
5085 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5088 * c-decl.c (start_struct): Return NULL on error.
5090 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5093 * cfgloopmanip.c (remove_path): Call remove_bbs after
5094 cancel_loop_tree, not before it.
5097 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5098 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5099 VAR_DECLs were seen.
5100 * tree-ssa-live.c (remove_unused_locals): Recompute
5101 cfun->has_local_explicit_reg_vars.
5102 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5103 copies or clearings if cfun->has_local_explicit_reg_vars.
5105 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5108 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5109 of function prologue when frame pointer is used to access
5112 2009-02-10 Richard Guenther <rguenther@suse.de>
5115 * gimplify.c (gimple_regimplify_operands): Always look if
5116 we need to create a temporary.
5118 2009-02-10 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/39132
5121 * tree-loop-distribution.c (todo): New global var.
5122 (generate_memset_zero): Trigger TODO_rebuild_alias.
5123 (tree_loop_distribution): Return todo.
5125 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5128 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5129 (x86_64_reg_class_name): Removed.
5130 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5131 first one isn't X86_64_SSE_CLASS or any other ones aren't
5132 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5133 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5134 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5135 and 3 X86_64_SSEUP_CLASS.
5136 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5137 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5139 2009-02-10 Ben Elliston <bje@au.ibm.com>
5141 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5142 form instruction to update the stack back chain word, even if the
5143 user has disabled the generation of update instructions.
5144 (movdi_<mode>_update_stack): New.
5145 (movsi_update_stack): Likewise.
5146 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5147 always use an update form instruction to update the stack back
5150 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5153 * graphite.c (if_region_set_false_region): After moving a region in
5154 the false branch of a condition, remove the empty dummy basic block.
5155 (gloog): Remove wrong fix for PR38953.
5157 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5159 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5160 generation due to implicit sign extension.
5162 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5165 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5166 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5168 2009-02-09 Richard Guenther <rguenther@suse.de>
5171 * convert.c (convert_to_real): Disable (float)fn((double)x)
5172 to fnf(x) conversion if errno differences may occur and
5173 -fmath-errno is set.
5175 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5177 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5178 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5179 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5181 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5184 * c-common.c (handle_alias_attribute): Disallow attribute for
5185 anything not a FUNCTION_DECL or VAR_DECL.
5187 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5190 * real.c (do_compare): Special-case compare of zero against
5191 decimal float value.
5193 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5196 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5197 as indicating flexible array members unless the field itself is
5198 being declarared as the incomplete array.
5200 2009-02-06 Jan Hubicka <jh@suse.cz>
5202 PR tree-optimization/38844
5203 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5206 2009-02-06 Richard Guenther <rguenther@suse.de>
5209 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5210 fork because we may expand it as __gcov_fork.
5212 2009-02-06 Nick Clifton <nickc@redhat.com>
5214 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5216 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5218 PR tree-optimization/35659
5219 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5220 vn_phi_eq): Shortcut if hashcode does not match.
5221 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5223 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5224 and avoid iterative_hash_expr.
5225 (FOR_EACH_VALUE_ID_IN_SET): New.
5226 (value_id_compare): Remove.
5227 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5228 sort expressions by value id.
5230 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5233 * config/sh/predicates.md (general_movsrc_operand): Don't check
5234 the subreg of system registers here.
5236 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5239 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5242 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5244 PR rtl-optimization/39110
5245 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5246 addresses, not aligned ones.
5248 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5249 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/39100
5252 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5253 comment says and add edges.
5255 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5258 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5259 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5261 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5263 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5264 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5265 register_bb_in_sese, new_sese, free_sese): Moved.
5266 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5267 outermost_loop_in_scop, build_scop_iteration_domain,
5268 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5269 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5270 Use loop_in_sese_p instead of loop_in_scop_p.
5271 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5272 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5273 (scopdet_basic_block_info): Fix bug in scop detection.
5274 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5275 eq_loop_to_cloog_loop): Remove.
5276 (nb_loops_around_loop_in_scop, nb_loop
5277 ref_nb_loops): Moved here...
5278 * graphite.h (ref_nb_loops): ... from here.
5279 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5280 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5281 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5282 * testsuite/gcc.dg/graphite/scop-19.c: New
5284 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5285 Hans-Peter Nilsson <hp@axis.com>
5287 PR rtl-optimization/37889
5288 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5289 Move offset handling from PLUS to before the switch. Use new
5290 arguments when considering SYMBOL_REFs too.
5291 (rtx_addr_can_trap_p): Pass dummy offset and size.
5292 (enum may_trap_p_flags): Remove.
5293 (may_trap_p_1): Pass size from MEM_SIZE.
5295 PR rtl-optimization/38921
5296 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5297 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5298 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5299 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5301 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5303 AVX Programming Reference (January, 2009)
5304 * config/i386/sse.md (*vpclmulqdq): New.
5306 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5308 PR tree-optimization/38977
5309 PR gcov-profile/38292
5310 * calls.c (special_function_p): Disregard __builtin_ prefix.
5312 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5314 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5315 non-indexable addresses even before reload.
5317 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5320 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5321 as having variable size. Do not give an error for unnamed
5322 parameters with [*] declarators. Give a warning for type names
5323 with [*] declarators and mark them as variable size.
5324 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5325 for sizeof applied to [*] type names.
5327 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5330 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5332 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5334 * gcc.c (process_command): Update copyright notice dates.
5335 * gcov.c (print_version): Likewise.
5336 * gcov-dump.c (print_version): Likewise.
5337 * mips-tfile.c (main): Likewise.
5338 * mips-tdump.c (main): Likewise.
5340 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5343 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5344 for composite type involving a zero-length array type.
5346 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5349 * function.c (match_asm_constraints_1): Skip over
5350 initial optional % in the constraint.
5353 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5354 supported, don't accept FIXED_CSTs.
5355 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5356 and _Sat is used without _Fract/_Accum. Set specs->type to
5357 integer_type_node for cts_fract/cts_accum if fixed point is not
5360 2009-02-02 Catherine Moore <clm@codesourcery.com>
5362 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5364 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5366 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5367 (ABI_HAS_64BIT_SYMBOLS): Use it.
5368 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5370 2009-02-02 Paul Brook <paul@codesourcery.com>
5372 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5374 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5377 * recog.h (asm_operand_ok): Add constraints argument.
5378 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5379 recurse on matching constraint.
5380 (check_asm_operands): Pass constraints as 3rd argument to
5381 asm_operand_ok. Don't look up matching constraint here.
5382 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5385 2009-02-02 Ben Elliston <bje@au.ibm.com>
5387 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5388 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5390 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5392 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5393 information. Remove some obsolete information. Reorganize.
5395 * config/pa/fptr.c: Revert license to GPL 2.
5396 * config/pa/milli64.S: Likewise.
5398 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5401 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5402 LIBRARY name in, instead of hard-coding it.
5403 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5404 extra target make frag to tmake_files according to EH model.
5405 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5406 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5407 frags that define makefile variable EH_MODEL appropriately.
5408 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5409 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5410 to "-sjlj" according to type of EH configured.
5411 (LIBGCC_SONAME): Concatenate it to shared library base name.
5412 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5413 to "_sjlj" according to type of EH configured.
5414 (LIBGCC_SONAME): Concatenate it to shared library base name.
5415 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5416 (SHLIB_LINK): Add missing semicolon to if-else construct.
5417 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5418 string value of "pe_dll" command-line option.
5419 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5420 (SHLIB_SONAME): Use it when overriding t-cygming default.
5421 (SHLIB_IMPLIB): Override t-cygming default.
5422 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5423 string value of "pe_dll" command-line option.
5425 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5428 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5429 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5431 2009-01-31 Richard Guenther <rguenther@suse.de>
5433 PR tree-optimization/38937
5434 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5435 computing the transitive closure.
5437 2009-01-30 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/39041
5440 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5441 Propagate variable indices only if the types match for this stmt.
5443 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5446 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5447 inline but never defined.
5449 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5451 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5452 (*insv_h_di_reg_extimm): New insn.
5453 (*insv_l<mode>_reg_extimm): New insn.
5455 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5457 * config/picochip/picochip.c (flag_conserve_stack): set
5458 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5459 fconserve-stack. Reduce call-overhead used by inliner.
5461 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5464 * common.opt (flag_conserve_stack): Initialised to zero.
5466 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5469 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5470 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5473 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5475 * ira-color.c (allocno_reload_assign): Update comments.
5476 * regmove.c (regmove_optimize): Likewise.
5480 2009-01-29 Robert Millan <rmh@aybabtu.com>
5482 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5483 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5484 `MD_UNWIND_SUPPORT'.
5485 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5487 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5489 PR tree-optimization/39007
5490 * tree-loop-distribution.c (generate_builtin): Use
5491 recompute_dominator to compute the immediate dominator of the
5492 basic block just after the loop.
5494 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5496 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5497 (ASM_OUTPUT_DWARF_PCREL): Define.
5499 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5501 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5502 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5503 global. Modify entries about regmove and IRA.
5505 * ra-conflict.c: Remove the file.
5507 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5509 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5510 (pass_regclass_init): Rename to pass_reginfo_init.
5512 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5514 * toplev.h (flag_ira): Remove.
5516 * caller-save.c (setup_save_areas): Remove flag_ira.
5518 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5520 * global.c: Remove the file.
5522 * opts.c (decode_options): Remove flag_ira.
5524 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5526 * regmove.c: Modify file description.
5527 (find_use_as_address, try_auto_increment): Define them only if
5528 AUTO_INC_DEC is defined.
5529 (replacement_quality, replace_in_call_usage, fixup_match_1,
5530 stable_and_no_regs_but_for_p): Remove.
5531 (reg_set_in_bb): Make it static.
5532 (regmove_optimize): Remove flag_ira and code which worked for
5535 * local-alloc.c: Remove the file.
5537 * common.opt (fira): Remove.
5539 * ira.c: Include except.h.
5540 (eliminable_regset): Move from global.c.
5541 (mark_elimination): Ditto. Remove flag_ira.
5542 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5543 equiv_mem_modified, validate_equiv_mem_from_store,
5544 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5545 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5546 no_equiv, recorded_label_ref): Move from local-alloc.c.
5547 (update_equiv_regs): Ditto. Make it static.
5548 (print_insn_chain, print_insn_chains): Move it from global.c.
5549 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5550 (build_insn_chain): Ditto. Make it static.
5551 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5552 Rename to init_live_subregs.
5553 (gate_ira): Remove flag_ira.
5555 * regclass.c: Rename reginfo.c. Change file description.
5556 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5557 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5558 (init_reg_sets_1): Remove code for evaluation of
5559 reg_class_superclasses and losing_caller_save_reg_set.
5560 (init_regs): Remove init_reg_autoinc.
5561 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5562 ok_for_base_p_nonstrict): Remove.
5563 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5564 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5565 corresponding entries.
5566 (dump_regclass, record_operand_costs, scan_one_insn,
5567 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5568 record_address_regs, auto_inc_dec_reg_p): Remove.
5569 (gt-regclass.h): Rename to gt-reginfo.h.
5571 * rtl.h (dump_global_regs, retry_global_alloc,
5572 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5574 * Makefile.in (RA_H): Remove.
5575 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5576 Rename regclass.o to reginfo.o.
5577 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5579 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5580 (GTFILES): Rename regclass.c to reginfo.c.
5582 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5583 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5585 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5586 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5588 (finish_spills): Ditto. Remove code for !flag_ira.
5590 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5593 * doc/invoke.texi (rtl debug options): Complete rewrite.
5594 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5596 * mode-switching.c (pass_mode_switching): Rename pass from
5597 "mode-sw" to "mode_sw".
5598 * except.c (pass_convert_to_eh_ranges): Rename pass from
5599 "eh-ranges" to "eh_ranges".
5600 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5604 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5605 Alexander Monakov <amonakov@ispras.ru>
5608 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5610 (move_exprs_to_boundary): Change return type and pass through
5611 should_move from move_op. Relax assert. Update usage ...
5612 (schedule_expr_on_boundary): ... here. Use should_move instead of
5614 (move_op_orig_expr_found): Indicate that insn was disconnected from
5616 (code_motion_process_successors): Do not call after_merge_succs
5617 callback if original expression was not found when traversing any of
5619 (code_motion_path_driver): Change return type. Update prototype.
5620 (move_op): Update comment. Add a new parameter (should_move). Update
5621 prototype. Set *should_move based on indication provided by
5622 move_op_orig_expr_found.
5624 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5626 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5627 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5628 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5629 * config/rs6000/rs6000.c (rs6000_override_options): Default
5630 avoid-indexed-addresses on for Power6, off for everything else.
5631 (avoiding_indexed_address_p): New function.
5632 (rs6000_legitimize_address): Use it.
5633 (rs6000_legitimate_address): Likewise.
5634 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5636 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5638 PR tree-optimization/38997
5639 * tree-loop-distribution.c (generate_memset_zero): Use
5640 POINTER_PLUS_EXPR for a pointer addition.
5642 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5644 * config/s390/s390.md (bswap<mode>2): New pattern added.
5646 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5648 * config/s390/s390.md (*tls_load_31): Added type attribute.
5650 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5652 * config/s390/s390.md: Fix a few comments.
5654 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5656 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5657 (*tm<mode>_full): Fixed z10prop attribute.
5658 (*tst<mode>_extimm): Fixed z10prop attribute.
5659 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5660 (*tstqiCCT_cconly): Fixed z10prop attribute.
5661 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5662 (*movsi_larl): Fixed z10prop attribute.
5663 (*movsi_zarch): Fixed z10prop attribute.
5664 (*movsi_eas): Fixed z10prop attribute.
5665 (*movhi): Fixed z10prop attribute.
5666 (*movqi): Fixed z10prop attribute.
5667 (*movstrictqi): Fixed z10prop attribute.
5668 (*mov<mode>): Fixed z10prop attribute.
5669 (*movcc): Fixed z10prop attribute.
5670 (*sethighpartdi_64): Fixed z10prop attribute.
5671 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5672 (*negdi2_sign_cc): Fixed z10prop attribute.
5673 (*negdi2_sign): Fixed z10prop attribute.
5674 (*absdi2_sign_cc): Fixed z10prop attribute.
5675 (*absdi2_sign): Fixed z10prop attribute.
5676 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5677 (*negabsdi2_sign): Fixed z10prop attribute.
5678 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5679 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5680 (doloop_si64): Fixed z10prop attribute.
5681 (doloop_si31): Fixed z10prop attribute.
5682 (doloop_long): Fixed z10prop attribute.
5683 (indirect_jump): Fixed z10prop attribute.
5684 (nop): Fixed z10prop attribute.
5685 (main_base_64): Fixed z10prop attribute.
5686 (reload_base_64): Fixed z10prop attribute.
5688 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5690 PR rtl-optimization/38740
5691 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5693 * config/mips/mips.c (mips_reorg): Likewise.
5695 2009-01-28 Richard Guenther <rguenther@suse.de>
5697 PR tree-optimization/38926
5698 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5699 with the correct value id to a value.
5700 (do_regular_insertion): Use the value number of edoubleprime
5701 for the value number of the expr.
5704 2008-08-21 Richard Guenther <rguenther@suse.de>
5706 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5707 a PHI ask VN if it is already available.
5708 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5709 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5711 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5714 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5715 set to varying whenever max has TREE_OVERFLOW set, similarly
5716 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5718 2009-01-28 Richard Guenther <rguenther@suse.de>
5721 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5722 uninitialized aggregate uses in call arguments.
5724 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5726 PR tree-optimization/38984
5727 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5728 the nothing_id variable if -fno-delete-null-pointer-checks.
5730 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5733 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5734 (set_got_offset_rex64): Ditto.
5736 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5739 * doc/extend.texi: Improve local variable with asm reg.
5741 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5743 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5744 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5745 was not supplied then set warn_packed_bitfield_compat to the
5747 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5750 2009-01-27 Richard Guenther <rguenther@suse.de>
5752 PR tree-optimization/38503
5753 * cfgexpand.c (expand_gimple_basic_block): Ignore
5754 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5755 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5756 variables that cannot have TBAA applied.
5757 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5760 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5763 * calls.c (initialize_argument_information): Do not wrap complex
5764 arguments in SAVE_EXPR.
5766 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5768 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5769 (INSTALL_LIBGCC): Revert typo commit.
5771 2009-01-26 Richard Guenther <rguenther@suse.de>
5773 PR tree-optimization/38745
5774 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5775 from special handling.
5777 2009-01-26 Richard Guenther <rguenther@suse.de>
5779 PR tree-optimization/38745
5780 * tree-ssa.c (execute_update_addresses_taken): Do not include
5781 variables that cannot possibly be a register in not_reg_needs.
5782 Do not clear TREE_ADDRESSABLE on vars that may not become
5784 * tree-ssa.c (update_alias_info_1): Include those in the set
5785 of addressable vars.
5787 2009-01-26 Richard Guenther <rguenther@suse.de>
5790 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5791 * tree-ssa-dse.c: Include langhooks.h
5792 (execute_simple_dse): Remove stores with zero size.
5794 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5797 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5800 2009-01-24 Julian Brown <julian@codesourcery.com>
5802 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5803 config/arm/linux-atomic.c.
5804 * config/arm/linux-atomic.c: New.
5806 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5808 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5809 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5810 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5812 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5815 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5818 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5820 PR tree-optimization/38953
5821 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5822 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5823 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5824 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5827 2009-01-24 Paul Brook <paul@codesourcery.com>
5829 * config/arm/neon.md (neon_type): Move to arm.md.
5830 (neon_mov<VSTRUCT>): Add neon_type attribute.
5831 * config/arm/arm.md (neon_type): Move to here.
5832 (conds): Add "unconditioal" and use as default for NEON insns.
5834 2009-01-24 Ben Elliston <bje@au.ibm.com>
5836 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5837 void *' warning from -Wc++-compat.
5838 * Makefile.in (dominance.o-warn): Remove.
5840 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5842 PR tree-optimization/38932
5843 * fold-const.c (fold_unary_ignore_overflow): New.
5844 * tree.h (fold_unary_ignore_overflow): Declare.
5845 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5846 * tree-ssa-sccvn.c (visit_reference_op_load,
5847 simplify_unary_expression): Likewise.
5849 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5851 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5852 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5853 regardless of their type.
5854 * c-common.c (handle_packed_attribute): Don't ignore packed on
5856 * c.opt (Wpacked-bitfield-compat): New warning option.
5857 * stor-layout.c (place_field): Warn if offset of a field changed.
5858 * doc/extend.texi (packed): Mention the ABI change.
5859 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5860 (Warning Options): Add it to the list.
5862 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5864 * c-opts.c (c_common_post_options): Fix a typo in comments.
5866 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5869 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5870 variables to static.
5871 * doc/invoke.texi (-fmerge-all-constants): Update description.
5873 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5876 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5877 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5879 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5881 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5883 (LOCAL_ALIGNMENT): Similarly.
5885 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5886 Joseph Myers <joseph@codesourcery.com>
5888 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5889 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5890 * config/arm/arm-tune.md: Regenerate.
5891 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5894 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5896 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5897 version number to five.
5899 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5902 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5903 * c-common.c (set_underlying_type): Likewise.
5904 (is_typedef_decl ): Likewise
5906 (set_underlying_type): Likewise.
5907 (is_typedef_type): Likewise.
5909 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5912 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5915 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5918 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5919 (LIBGCC_SPEC): Don't define.
5920 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5922 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5924 PR rtl-optimization/38879
5925 * alias.c (base_alias_check): Unaligned access via AND address can
5926 alias all surrounding object types except those with sizes equal
5927 or wider than the size of unaligned access.
5929 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5932 * c-decl.c (clone_underlying_type): Move this ...
5933 * c-common.c (set_underlying_type): ... here.
5934 Also, make sure the function properly sets TYPE_STUB_DECL() on
5935 the newly created typedef variant type.
5936 (is_typedef_decl ): New entry point.
5937 * tree.h: Added a new member member_types_needing_access_check to
5938 struct tree_decl_non_common.
5939 (set_underlying_type): New entry point.
5940 (is_typedef_type): Likewise.
5942 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5944 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5945 Check whether two instructions have memory references that
5946 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5947 are helper functions for traversing.
5948 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5949 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5950 not to draw dependency edge for instructions with non-conflicting
5953 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5956 * longlong.h: Update copyright years. Use soft-fp license notice.
5957 Sync __clz_tab declaration with glibc.
5959 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5962 * doc/extend.texi (syscall_linkage): New.
5963 (version_id): Modify.
5965 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5966 Richard Guenther <rguenther@suse.de>
5968 PR tree-optimization/38747
5969 PR tree-optimization/38748
5970 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5971 conversion if the base address is an indirect reference and the
5972 aliasing sets could cause issues.
5974 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5976 * common.opt (fgraphite, fgraphite-identity): Add comment for
5977 explaining why these options are not documented.
5979 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5981 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5982 gimple_call_lhs is NULL.
5984 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5987 * emit-rtl.c (adjust_address_1): Make sure memref is never
5990 2009-01-20 Ben Elliston <bje@au.ibm.com>
5992 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5993 const qualifier from arg parameter. Remove unnecessary cast to char *.
5994 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5995 const qualifier from arg 2.
5997 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5999 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6001 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6004 * rtl.h (reinit_regs): New prototype.
6005 * regclass.c: Include ira.h.
6007 * Makefile.in (regclass.o): Add ira.h.
6008 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6010 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6013 * c-common.c (handle_aligned_attribute): Use
6014 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6015 default alignment value.
6017 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6019 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6020 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6022 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6023 __BIGGEST_ALIGNMENT__.
6025 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6027 2009-01-18 Richard Guenther <rguenther@suse.de>
6029 PR tree-optimization/38819
6030 * tree-flow.h (operation_could_trap_helper_p): Declare.
6031 * tree-eh.c (operation_could_trap_helper_p): Export.
6032 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6033 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6034 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6035 are about to insert a possibly trapping instruction and fail
6038 2009-01-18 Andreas Schwab <schwab@suse.de>
6040 * doc/install.texi (Configuration): Remove obsolete paragraph
6041 about use of --with-gnu-ld with --with-gnu-as.
6043 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6045 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6046 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6047 Follow spelling conventions.
6049 2009-01-18 Ben Elliston <bje@au.ibm.com>
6051 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6052 C++ warning about implicit conversion from void * to struct
6054 (bitmap_obstack_free): Likewise for bitmap_element *.
6055 * Makefile.in (bitmap.o-warn): Remove.
6057 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6059 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6061 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6062 Tobias Grosser <tobi.grosser@amd.com>
6064 * graphite.c (graphite_trans_scop_block): Do not block single
6067 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6069 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6070 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6071 test with assertion.
6073 2009-01-16 Richard Guenther <rguenther@suse.de>
6075 PR tree-optimization/38835
6077 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6078 and INT + PTR -> (INT)(PTR p+ INT) folding.
6079 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6081 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6084 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6085 the subreg from a lowpart subreg if it is also casting the value.
6087 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6088 Tobias Grosser <tobi.grosser@amd.com>
6090 * graphite.c (compare_prefix_loops): New.
6091 (build_scop_canonical_schedules): Rewritten.
6092 (graphite_transform_loops): Move build_scop_canonical_schedules
6093 after build_scop_iteration_domain.
6095 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6096 Tobias Grosser <tobi.grosser@amd.com>
6098 * graphite.c (add_conditions_to_domain): Add the loops to
6099 the dimension of the iteration domain. Do copy the domain
6100 only when it exists.
6101 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6102 (add_conditions_to_constraints): New.
6103 (can_generate_code_stmt, can_generate_code): Removed.
6104 (gloog): Do not call can_generate_code.
6105 (graphite_transform_loops): Call add_conditions_to_constraints
6106 after building the iteration domain.
6108 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6110 PR tree-optimization/38789
6111 * tree-ssa-threadedge.c
6112 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6113 __builtin_constant_p.
6115 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6117 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6118 examined before deleting them.
6120 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6122 * function.c (aggregate_value_p): Correctly extract the function
6123 type from CALL_EXPR_FN lookup.
6125 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6127 * config/picochip/picochip.c (picochip_override_options): Revert
6128 CFI asm flag disable commited previously.
6130 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6131 Tobias Grosser <tobi.grosser@amd.com>
6132 Jan Sjodin <jan.sjodin@amd.com>
6134 * graphite.c (scan_tree_for_params): On substractions negate
6135 all the coefficients of the term.
6136 (clast_to_gcc_expression_red): New. Handle reduction expressions
6137 of more than two operands.
6138 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6139 (get_vdef_before_scop): Handle also the case of default definitions.
6141 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6143 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6144 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6145 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6147 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6148 Joey Ye <joey.ye@intel.com>
6151 * cfgexpand.c (expand_stack_alignment): Don't update stack
6152 boundary nor check incoming stack boundary here.
6153 (gimple_expand_cfg): Update stack boundary and check incoming
6154 stack boundary here.
6156 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6158 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6160 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6162 PR rtl-optimization/38245
6163 * calls.c (expand_call): Add stack arguments to
6164 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6165 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6166 in regs and partially in memory or BLKmode arguments.
6167 (emit_library_call_value_1): Add stack arguments to
6168 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6169 ACCUMULATE_OUTGOING_ARGS).
6170 * dce.c: Include tm_p.h.
6171 (find_call_stack_args): New function.
6172 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6174 (mark_insn): Call find_call_stack_args for CALL_Ps.
6175 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6176 forwards. Allocate and free arg_stores bitmap if needed, pass it
6177 down to deletable_insn_p, don't mark stores set in arg_stores
6178 bitmap, clear the bitmap at the beginning of each bb.
6179 * Makefile.in (dce.o): Depend on $(TM_P_H).
6181 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6184 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6185 to make sure the insn is a conditional test (bug 22599). Reformat a
6188 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6191 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6192 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6193 (gloog): Do not call cleanup_tree_cfg.
6194 (graphite_transform_loops): Call cleanup_tree_cfg after all
6195 scops have been code generated.
6197 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6198 * doc/gty.texi (Invoking the garbage collector): Added new node
6199 and section documenting ggc_collect.
6201 2009-01-14 Richard Guenther <rguenther@suse.de>
6203 PR tree-optimization/38826
6205 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6206 initialization notes only if we actually emitted a warning.
6207 (intra_create_variable_infos): Add constraints for a result decl
6208 that is passed by hidden reference.
6209 (build_pred_graph): Mark all related variables non-direct on
6212 2009-01-14 Nick Clifton <nickc@redhat.com>
6214 * ira-conflicts.c: Include addresses.h for the definition of
6216 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6217 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6219 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6222 * Makefile.in (ira-lives.o): Add except.h.
6224 * ira-lives.c: Include except.h.
6225 (process_bb_node_lives): Process can_throw_internal.
6227 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6229 PR rtl-optimization/38774
6230 * combine.c (simplify_set): When undoing cc_use change, don't do
6231 PUT_CODE on the newly created comparison, but instead put back the
6234 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6236 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6237 values. Remove duplicate arm8 entry.
6239 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6241 PR tree-optimization/38786
6242 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6243 the SSA_NAME case of expand_scalar_variables_expr.
6244 Set the type of an expression to the type of its assign statement.
6245 (expand_scalar_variables_expr): Also gather the scalar computation
6246 used to index the memory access. Do not pass loop_p.
6247 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6248 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6249 the gimple_stmt_iterator where it inserts new code.
6251 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6252 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6254 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6256 * graphite.h (debug_value): Removed.
6257 * graphite.c (debug_value): Removed.
6259 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6261 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6262 ldrd/strd with two 32-bit instructions.
6264 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6266 * config/arm/arm.c (struct processors): Pass for speed down into
6267 cost helper functions.
6268 (const_ok_for_op): Handle COMPARE and inequality nodes.
6269 (arm_rtx_costs_1): Rewrite.
6270 (arm_size_rtx_costs): Update prototype.
6271 (arm_rtx_costs): Pass speed down to helper functions.
6272 (arm_slowmul_rtx_costs): Rework cost calculations.
6273 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6274 (arm_9e_rtx_costs): Likewise.
6276 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6278 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6279 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6280 (alpha_legitimize_address): Do not split local symbols wider than
6281 UNITS_PER_WORD into HIGH/LO_SUM parts.
6283 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6286 * gcc.c (process_command): Replace call to execvp with calls
6287 to pex_one and exit.
6289 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6292 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6293 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6294 variant for devices with 3-byte PC.
6295 (__tablejump_elpm__): New.
6297 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6300 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6301 offsetof member-designator, handle it as `[0].'.
6303 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6305 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6306 function when not using named sections on targets with named sections
6307 if branch distance is less than 262132.
6309 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6311 * combine.c (combine_instructions): Recompute
6312 optimize_this_for_speed_p for each BB in the main combine loop.
6314 2009-01-12 Tomas Bily <tbily@suse.cz>
6317 * tree-loop-distribution.c (prop_phis): New function.
6318 (generate_builtin): Call prop_phis.
6319 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6321 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6323 PR tree-optimization/38807
6324 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6325 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6327 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6329 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6330 subreg of op0 to the original op0.
6332 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6334 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6336 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6339 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6340 starting with digits.
6342 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6345 * config/arm/arm.c (arm_is_long_call_p): Don't call
6346 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6348 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6350 * regrename.c (regrename_optimize): Fix dumping.
6351 (find_oldest_value_reg): Preserve REG_POINTER.
6352 (copy_hardreg_forward_1): Likewise.
6354 2009-01-09 Diego Novillo <dnovillo@google.com>
6356 * gimple.h (struct gimple_statement_base) <uid>: Document
6357 the restrictions on its use.
6359 (gimple_set_uid): Tidy.
6361 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6363 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6364 zero guard even if align_bytes != 0 and count is smaller than
6367 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6369 PR rtl-optimization/38495
6370 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6371 (add_range_and_copies_from_move_list): Print all added ranges.
6372 Add ranges to memory optimized destination.
6374 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6378 * config/i386/i386.c (override_options): Reject
6379 -mstringop-strategy=rep_8byte with -m32.
6380 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6381 to 1. Do count comparison against epilogue_size_needed at compile
6382 time even when count_exp was constant forced into register. For
6383 size_needed don't jump to epilogue, instead just avoid aligning
6384 and invoke the body algorithm. If need_zero_guard, add zero guard
6385 even if count is non-zero, but smaller than size_needed + number of
6386 bytes that could be stored for alignment.
6387 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6388 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6389 but smaller than size_needed + number of bytes that could be stored
6390 for alignment. Compare size_needed with epilogue_size_needed instead
6391 of desired_align - align, don't adjust size_needed, pass
6392 epilogue_size_needed to the epilogue expanders.
6395 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6397 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6399 * pa.c (last_address): Change to unsigned.
6400 (update_total_code_bytes): Change argument to unsigned. Don't
6401 check if insn addresses are set.
6402 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6403 addresses are not set.
6404 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6406 2009-01-09 Nick Clifton <nickc@redhat.com>
6408 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6409 DECL_DECLARED_INLINE_P.
6411 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6414 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6415 GET_MODE (op0) in operand_subword_force calls.
6418 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6419 fold_convert arg0 operands to TREE_TYPE (op0) first.
6421 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6423 * params.def (ira-max-conflict-table-size): Decrease default value
6426 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6428 PR tree-optimization/37031
6429 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6431 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6432 allocate it using gc instead of heap, use VEC_quick_push instead of
6434 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6435 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6436 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6437 allocated vector from heap allocated.
6438 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6439 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6440 vector only after perfect_loop_nest_depth call.
6442 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6443 Jan Sjodin <jan.sjodin@amd.com>
6445 PR tree-optimization/38559
6446 * graphite.c (debug_value, copy_constraint,
6447 swap_constraint_variables, scale_constraint_variable, ): New.
6448 (get_lower_bound, get_upper_bound): Removed.
6449 (graphite_trans_bb_strip_mine): Clean up this code that works
6450 only for constant number of iterations. Fully copy upper and
6451 lower bound constraints, not only the constant part of them.
6452 * graphite.h (debug_value): Declared.
6454 2009-01-08 Ira Rosen <irar@il.ibm.com>
6456 PR tree-optimization/37194
6457 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6458 Don't add the cost of cost model guard in prologue to scalar
6459 outside cost in case of known number of iterations.
6461 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6462 Alan Modra <amodra@bigpond.net.au>
6464 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6465 non-word-aligned REG+CONST addressing.
6467 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6470 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6471 free_after_compilation when outputting a thunk.
6472 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6473 Do not call free_after_compilation here.
6475 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6477 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6478 (ix86_valid_target_attribute_inner_p): Ditto.
6480 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6482 PR tree-optimization/38492
6483 PR tree-optimization/38498
6484 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6485 * tree-chrec.h (scev_is_linear_expression): Declared.
6486 * graphite.c (graphite_cannot_represent_loop_niter): New.
6487 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6488 (graphite_loop_normal_form): Use gcc_assert.
6489 (scan_tree_for_params): Use CASE_CONVERT.
6490 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6491 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6492 Use gcc_assert. Discard scops that contain unhandled cases.
6493 (build_scop_conditions): Return a boolean status for unhandled cases.
6494 (strip_mine_profitable_p): Print the loop number, not its depth.
6495 (is_interchange_valid): Pass the depth of the loop nest, don't
6496 recompute it wrongly.
6497 (graphite_trans_bb_block): Same.
6498 (graphite_trans_bb_block): Print tentative of loop blocking.
6499 (graphite_trans_scop_block): Do not print that the loop has been
6501 (graphite_transform_loops): Do not handle scops that contain condition
6504 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6506 AVX Programming Reference (December, 2008)
6507 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6508 (_mm256_stream_pd): Likewise.
6509 (_mm256_stream_ps): Likewise.
6511 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6512 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6513 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6514 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6515 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6516 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6517 (ix86_expand_special_args_builtin): Likewise.
6519 * config/i386/sse.md (AVXMODEDI): New.
6520 (avx_movnt<mode>): Likewise.
6521 (avx_movnt<mode>): Likewise.
6522 (<sse>_movnt<mode>): Remove AVX support.
6523 (sse2_movntv2di): Likewise.
6525 2009-01-07 Richard Guenther <rguenther@suse.de>
6528 * fold-const.c (extract_muldiv): Remove obsolete comment.
6529 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6530 to PLUS_EXPR canonicalization for the canonicalization.
6532 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6534 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6535 hosted cross-compilers generating less efficient code.
6537 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6539 * function.h (rtl_data): Add a dbr_scheduled_p field.
6540 * reorg.c (dbr_schedule): Set it.
6541 (gate_handle_delay_slots): Check it.
6542 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6543 (mips_reorg): Check flag_delayed_branch instead of
6544 mips_base_delayed_branch.
6545 (mips_override_options): Don't set mips_base_delayed_branch
6546 or flag_delayed_branch.
6548 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6550 PR rtl-optimization/38426.
6551 * ira.c (ira): Set current_function_is_leaf earlier.
6553 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6555 PR rtl-optimization/38722
6556 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6557 too early, only set a flag and modify after last possible
6560 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6563 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6564 * real.c (decimal_single_format): Correct values of emin and emax.
6565 (decimal_double_format): Ditto.
6566 (decimal_quad_format): Ditto.
6567 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6568 computation of DECnn_MIN and DECnn_MAX for corrected values of
6569 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6570 __DECnn_MIN__, and adjust its computation for the corrected value
6573 2009-01-06 Jan Hubicka <jh@suse.cz>
6576 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6578 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6580 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6581 Add Robert Clark to the list of testers.
6583 2009-01-06 Jan Hubicka <jh@suse.cz>
6584 Kai Tietz <kai.tietz@onevision.com>
6586 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6587 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6589 2009-01-06 Jan Hubicka <jh@suse.cz>
6590 Kai Tietz <kai.tietz@onevision.com>
6592 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6594 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6595 (ix86_nsaved_regs): Count only general purpose regs.
6596 (ix86_nsaved_sseregs): New.
6597 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6598 to 16 for w64; compute padding and size of sse reg save area.
6599 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6600 general purpose regs.
6601 (ix86_emit_save_sse_regs_using_mov): New.
6602 (ix86_expand_prologue): Save SSE regs if needed.
6603 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6604 (ix86_emit_restore_sse_regs_using_mov): New.
6605 (ix86_expand_epilogue): Save SSE regs if needed.
6607 2009-01-06 Jan Hubicka <jh@suse.cz>
6608 Kai Tietz <kai.tietz@onevision.com>
6610 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6611 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6612 functions when accumulate outgoing args is off.
6614 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6617 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6618 before using pseudos_have_intersected_live_ranges_p.
6620 * ira-int.h (ira_assert): Always define.
6622 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6624 AVX Programming Reference (December, 2008)
6625 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6626 (_mm256_permute2_pd): Likewise.
6627 (_mm_permute2_ps): Likewise.
6628 (_mm256_permute2_ps): Likewise.
6629 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6630 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6632 * config/i386/i386.c (ix86_builtins): Remove
6633 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6634 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6635 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6636 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6637 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6638 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6639 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6640 __builtin_ia32_vpermil2ps256.
6641 (ix86_init_mmx_sse_builtins): Updated.
6642 (ix86_expand_args_builtin): Likewise.
6644 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6646 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6647 long absolute calls when generating PA 2.0 code.
6649 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6651 PR rtl-optimization/38583
6652 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6654 * params.def (ira-max-conflict-table-size): New.
6656 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6658 * ira.h (ira_conflicts_p): New external definition.
6660 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6661 table. Report this. Return result of building.
6662 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6663 building conflict table.
6665 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6666 (ira_color): Use ira_conflicts_p.
6668 * global.c: Include ira.h.
6669 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6672 * Makefile.in (global.o): Add ira.h.
6674 * ira-build.c (mark_all_loops_for_removal,
6675 propagate_some_info_from_allocno): New.
6676 (remove_unnecessary_allocnos): Call
6677 propagate_some_info_from_allocno.
6678 (remove_low_level_allocnos): New.
6679 (remove_unnecessary_regions): Add parameter. Call
6680 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6681 parameter to remove_unnecessary_regions.
6682 (ira_build): Remove all regions but root if the conflict table was
6683 not built. Update conflict hard regs for allocnos crossing calls.
6685 * ira.c (ira_conflicts_p): New global.
6686 (ira): Define and use ira_conflicts_p.
6688 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6689 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6690 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6692 2009-01-06 Ben Elliston <bje@au.ibm.com>
6694 * gengtype-lex.l (YY_NO_INPUT): Define.
6696 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6699 * c-common.c (handle_vector_size_attribute): Also reject
6702 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6704 PR tree-optimization/38492
6705 * graphite.c (rename_map_elt, debug_rename_elt,
6706 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6707 rename_map_elt_info, eq_rename_map_elts,
6708 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6709 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6710 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6711 (sese_build_livein_liveouts): New.
6712 (new_sese, free_sese): New.
6713 (new_scop): Call new_sese.
6714 (free_scop): Call free_sese.
6715 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6716 (register_old_new_names): Renamed register_old_and_new_names.
6717 (register_scop_liveout_renames, add_loop_exit_phis,
6718 insert_loop_close_phis, struct igp,
6719 default_liveout_before_guard, add_guard_exit_phis,
6720 insert_guard_phis, copy_renames): New.
6721 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6722 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6723 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6724 (scop_adjust_phis_for_liveouts): New.
6725 (gloog): Call scop_adjust_phis_for_liveouts.
6727 * graphite.h (struct sese): Documented. Added fields liveout,
6729 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6730 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6731 (struct scop): Added field liveout_renames.
6732 (SCOP_LIVEOUT_RENAMES): New.
6734 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6736 PR tree-optimization/38510
6737 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6738 (translate_clast): Call recompute_all_dominators before
6740 (gloog): Call recompute_all_dominators before graphite_verify.
6742 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6743 Jan Sjodin <jan.sjodin@amd.com>
6745 PR tree-optimization/38500
6746 * graphite.c (create_sese_edges): Call fix_loop_structure after
6749 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6751 * config.gcc: Add m32r*-*-rtems*.
6752 * config/m32r/rtems.h: New file.
6754 2009-01-05 Ben Elliston <bje@au.ibm.com>
6756 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6757 (.po.pox): Likewise.
6758 (po/gcc.pot): Likewise.
6760 2009-01-04 David S. Miller <davem@davemloft.net>
6762 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6763 (STARTING_FRAME_OFFSET): Always set to zero.
6765 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6767 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6768 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6769 fixed-point types, and vectors of the same.
6771 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6773 * config/mips/sync.md (*mb_barrier): Rename to...
6774 (*memory_barrier): ...this.
6776 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6778 * doc/extend.texi (Function Attributes): Move @cindex after @item
6779 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6780 and put in alphabetical order. Fix 'target' name and put in order.
6781 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6784 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6786 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6787 (memory_barrier): Expand as unspec instead of unspec_volatile.
6788 Remove mem:BLK from insn operands. Use Pmode scratch register.
6789 (*memory_barrier): Define as unspec instead of unspec_volatile.
6790 Use (match_dup 0) as input operand.
6792 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6793 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6794 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6795 scratch register. Remove operand 1.
6796 (*stbar): Define as unspec instead of unspec_volatile.
6797 Use (match_dup 0) as input operand, remove (const_int 8).
6798 (*membar): Define as unspec instead of unspec_volatile.
6799 Use (match_dup 0) as input operand, remove input operand 2.
6801 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6802 (memory_barrier): Expand as unspec instead of unspec_volatile.
6803 Remove mem:BLK from insn operands. Use Pmode scratch register.
6804 (*memory_barrier): Define as unspec instead of unspec_volatile.
6805 Use (match_dup 0) as input operand.
6807 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6808 Remove mem:BLK from insn operands. Use Pmode scratch register.
6809 Set volatile flag on operand 0.
6810 (*memory_barrier): New insn pattern.
6812 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6814 (*memory_barrier): Use (match_dup 0) as input operand.
6816 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6817 Remove mem:BLK from insn operands. Use Pmode scratch register.
6818 Set volatile flag on operand 0.
6819 (*mb_internal): New insn pattern.
6821 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6823 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6826 * function.c (struct temp_slot): Move to the section of the file
6827 that deals with temp slots. Remove field 'address'.
6828 (temp_slot_address_table): New hash table of address -> temp slot.
6829 (struct temp_slot_address_entry): New struct, items for the table.
6830 (temp_slot_address_compute_hash, temp_slot_address_hash,
6831 temp_slot_address_eq, insert_temp_slot_address): Support functions
6833 (find_temp_slot_from_address): Rewrite to use the new hash table.
6834 (remove_unused_temp_slot_addresses): Remove addresses of temp
6835 slots that have been made available.
6836 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6837 worker function for remove_unused_temp_slot_addresses.
6838 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6839 Add the temp slot address to the address -> temp slot map.
6840 (update_temp_slot_address): Update via insert_temp_slot_address.
6841 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6842 (pop_temp_slots): Likewise.
6843 (init_temp_slots): Allocate the address -> temp slot map, or empty
6844 the map if it is already allocated.
6845 (prepare_function_start): Initialize temp slot processing.
6847 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6850 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6851 Calculate the size of all stack vars assuming no packing of stack
6852 vars will happen, replacing a quadratic algorithm with a linear one.
6854 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6857 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6860 2009-01-03 Diego Novillo <dnovillo@google.com>
6862 * doc/contrib.texi: Update contributions.
6864 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6867 * builtins.c (fold_builtin_memory_op): Give up if either operand
6868 is volatile. Set srctype or desttype to non-qualified version
6872 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6875 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6877 PR rtl-optimization/35805
6878 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6879 problem if fast dce is able to remove any instructions.
6880 * dce.c (dce_process_block): Fix dump message.
6882 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6885 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6887 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6890 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6891 * tree-pretty-print.c (op_code_prio): New function.
6892 (op_prio): No longer static. Use op_code_prio.
6893 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6894 Use op_prio and op_code_prio to determine if () should be
6895 printed around operand(s) or not.
6897 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6898 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6899 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6900 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6901 pp_character instead of pp_string for single letter printing.
6903 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6905 * doc/extend.texi: Fix '#pragma GCC option' typo.
6907 2009-01-02 Richard Guenther <rguenther@suse.de>
6909 * doc/install.texi (--enable-checking): Mention different
6911 (--enable-stage1-checking): Document.
6913 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6916 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6917 case to be an error.
6919 2009-01-02 Ben Elliston <bje@au.ibm.com>
6921 * config/fp-bit.h (pack_d): Constify argument.
6922 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6923 (isnan): Constify argument.
6927 (_fpadd_parts): Constify return type.
6928 (_fpmul_parts): Likewise.
6929 (_fpdiv_parts): Likewise.
6931 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6934 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6935 warn about overwriting initializer with side-effects or
6936 -Woverride-init if !IMPLICIT.
6937 (output_init_element): Likewise. Pass IMPLICIT down to
6939 (process_init_element): Add IMPLICIT argument. Pass it down
6940 to output_init_element.
6941 (push_init_element, pop_init_level, set_designator): Adjust
6942 process_init_element callers.
6943 (set_nonincremental_init, set_nonincremental_init_from_string):
6944 Adjust add_pending_init callers.
6945 (output_pending_init_elements): Adjust output_init_element callers.
6946 * c-tree.h (process_init_element): Adjust prototype.
6947 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6948 process_init_element callers.