1 2009-04-15 Ian Lance Taylor <iant@google.com>
3 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
4 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5 for -Wall and for -Wc++-compat.
6 (c_common_post_options): For C++, set warn_enum_compare if not
8 * c-tree.h (struct c_expr): Add field original_type.
9 (build_external_ref): Update declaration.
10 * c-parser.c (c_parser_braced_init): Set original_type.
11 (c_parser_initelt): Likewise.
12 (c_parser_expr_no_commas): Likewise.
13 (c_parser_conditional_expression): Likewise.
14 (c_parser_cast_expression): Likewise.
15 (c_parser_unary_expression): Likewise. Pull setting of
16 original_code to top of function.
17 (c_parser_sizeof_expression): Set original_type.
18 (c_parser_alignof_expression): Likewise.
19 (c_parser_postfix_expression): Likewise. Pull setting of
20 original_code to top of function.
21 (c_parser_postfix_expression_after_paren_type): Set
23 (c_parser_postfix_expression_after_primary): Likewise.
24 (c_parser_expression): Likewise.
25 * c-typeck.c (build_external_ref): Add type parameter. Change all
27 (c_expr_sizeof_expr): Set original_type field.
28 (parser_build_unary_op): Likewise.
29 (parser_build_binary_op): Likewise. Optionally warn about
30 comparisons of enums of different types.
31 (digest_init): Set original_type field.
32 (really_start_incremental_init): Likewise.
33 (push_init_level, pop_init_level): Likewise.
34 * doc/invoke.texi (Warning Options): -Wenum-compare now
37 2009-04-15 Richard Guenther <rguenther@suse.de>
39 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
40 out a necessary conversion.
41 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
42 names we didn't value number.
43 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
45 2009-04-15 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/39764
48 * tree-ssa-ccp.c (get_value): Canonicalize value with
49 canonicalize_float_value.
51 2009-04-15 Jan Hubicka <jh@suse.cz>
53 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
54 Wrong version of patch.
56 2009-04-15 Jan Hubicka <jh@suse.cz>
58 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
60 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
62 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
63 our distinct integral and vector types.
65 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
67 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
68 * init.c (build_vtbl_address): Remove call to assemble_external.
70 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
72 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
73 output for other floating point modes.
75 2009-04-14 Diego Novillo <dnovillo@google.com>
77 * diagnostic.c (diagnostic_report_diagnostic): Do not
78 warn about loaded plugins for DK_ERROR and DK_WARNING.
79 * c-decl.c (declspecs_add_type): Move call to
80 invoke_plugin_callbacks ...
81 * c-parser.c (c_parser_declspecs): ... here.
82 * plugin.c (dump_active_plugins): Tidy output.
84 2009-04-14 Diego Novillo <dnovillo@google.com>
85 Le-Chun Wu <lcwu@google.com>
87 * configure.ac: Add --enable-plugin support.
88 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
89 * Makefile.in (PLUGIN_H): Define.
90 Export ENABLE_PLUGIN and GMPINC to site.exp.
91 Add PLUGINLIBS to link command.
92 Add/modify dependencies for plugin.o and files including plugin.h.
94 * config.in: Regenerate.
96 * opts.c (common_handle_option): Handle OPT_fplugin_ and
99 2009-04-14 Le-Chun Wu <lcwu@google.com>
101 * tree-pass.h (register_one_dump_file): Add a prototype for
102 register_one_dump_file.
103 * toplev.c (compile_file): Call initialize_plugins.
104 (do_compile): Call invoke_plugin_callbacks.
105 (toplev_main): Call invoke_plugin_callbacks.
106 * common.opt: Add -fplugin= and -fplugin-arg-.
107 * gcc-plugin.h: New public header file for plugins to include.
108 * plugin.c: New source file.
109 * plugin.h: New internal header file.
110 * passes.c (register_one_dump_file): Make it external.
112 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
114 2009-04-14 Diego Novillo <dnovillo@google.com>
116 * doc/plugins.texi: New.
117 * doc/gccint.texi: Add reference to Plugins chapter.
118 * doc/invoke.texi: Document -fplugin and -fplugin-arg
119 * diagnostic.c (diagnostic_report_diagnostic): Warn about
120 loaded plugins, if any.
121 * timevar.def (TV_PLUGIN_INIT): Define.
122 (TV_PLUGIN_RUN): Define.
123 * plugin.c: Include timevar.h
124 (plugins_active_p): New.
125 (dump_active_plugins): New.
126 (debug_active_plugins): New.
128 2009-04-14 Joseph Myers <joseph@codesourcery.com>
130 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
132 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
134 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
136 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
137 the same as a minus without a shift.
139 2009-04-14 Nick Clifton <nickc@redhat.com>
141 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
142 comparisons with small integers will always produce a short
145 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
149 2008-12-19 Diego Novillo <dnovillo@google.com>
151 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
153 2000-04-14 Richard Guenther <rguenther@suse.de>
155 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
157 (verify_gimple_assign_binary): Likewise. Handle shifts and
159 (verify_gimple_phi): Print the mismatched argument position.
160 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
162 (vect_update_init_of_dr): Likewise.
163 * matrix-reorg.c (transform_access_sites): Do what the
165 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
167 2009-04-13 Michael Eager <eager@eagercon.com>
169 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
170 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
171 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
172 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
173 remove duplicate config
175 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
177 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
178 file_name:line_number type locator of the call site.
180 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
182 * genautomata.c: Put blank after comma.
183 (automaton_decls): New.
184 (struct unit_usage): Add comments to member next.
185 (store_alt_unit_usage): Keep the list ordered.
186 (unit_present_on_list_p, equal_alternatives_p): New.
187 (check_regexp_units_distribution): Check units distribution
188 correctness correctly.
189 (main): Don't write automata if error is found. Return correct
192 * config/m68k/cf.md (cfv4_ds): Remove.
193 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
194 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
196 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
197 power4-load-ext, power4-store, power4-store-update,
198 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
199 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
200 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
201 power4-sqrt, power4-isync): Modify reservation to make correct
202 unit distribution to automata.
204 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
205 power5-store-update, power5-two, power5-three, power5-lmul,
206 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
208 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
210 * except.c (pass_set_nothrow_function_flags): Set name and add
212 (set_nothrow_function_flags): Mention in the dump file when
213 changing a function to nothrow.
215 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
218 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
219 instead of unsigned long.
221 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
223 * config/arm/arm.c (return_used_this_function): Remove.
224 (arm_output_function_prologue): Remove use of
225 return_used_this_function.
226 (output_return_instruction): Replace use of
227 return_used_this_function
228 by cfun->machine->return_used_this_function.
229 (arm_output_epilogue): Likewise.
230 (arm_output_function_epilogue): Likewise.
231 (thumb_unexpanded_epilogue): Likewise.
232 * config/arm/arm.h (struct machine_function):
233 New member return_used_this_function.
235 2009-04-12 Mark Mitchell <mark@codesourcery.com>
237 * doc/install.texi: Correct description of default directory for
238 --with-gxx-include-dir.
240 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
242 * fold-const.c (build_range_check): Properly deal with enumeral and
245 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
247 * doc/invoke.texi (max_gcse_passes): Remove documentation.
248 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
249 * params.h (MAX_GCSE_PASSES): Remove.
250 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
251 in sequence. Remove ability to run multiple passes.
252 (bypass_jumps): Report run as third CPROP pass.
254 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
257 * except.c (can_throw_external): Look at each insn in a SEQUENCE
258 when deciding whether the whole SEQUENCE can throw.
260 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
263 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
264 offseted label references.
266 2009-04-11 Jan Hubicka <jh@suse.cz>
268 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
270 2009-04-11 Richard Guenther <rguenther@suse.de>
273 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
274 return variables as TREE_ADDRESSABLE.
276 2009-04-11 Richard Guenther <rguenther@suse.de>
278 PR tree-optimization/39713
279 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
280 reference trees have SSA_NAME operands.
282 2009-04-11 Richard Guenther <rguenther@suse.de>
285 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
288 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
290 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
291 match changes in Cygwin 1.7
292 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
293 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
295 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
297 PR tree-optimization/39701
298 * doc/invoke.texi (Optimization Options): Document change in
299 meaning and initialization of -fdelete-null-pointer-checks.
301 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
304 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
306 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
309 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
311 2009-04-10 Chao-ying Fu <fu@mips.com>
313 * doc/tm.texi (Instruction Output): Document
314 TARGET_ASM_FINAL_POSTSCAN_INSN.
315 * target.h (final_postscan_insn): New field in asm_out.
316 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
317 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
318 * final.c (final_scan_insn): Call
319 targetm.asm_out.final_postscan_insn after outputting
320 an asm macro and a normal instruction.
322 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
323 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
324 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
325 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
326 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
328 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
331 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
332 variables as non-NULL even with -fdelete-null-pointer-checks.
334 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
336 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
338 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
341 * config/i386/i386.c (classify_argument): Handle SCmode with
342 (bit_offset % 64) != 0.
344 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
346 * doc/invoke.texi (Optimize Options): Add cross-reference to
347 -Q --help=optimizers examples.
349 2009-04-10 Ben Elliston <bje@au.ibm.com>
352 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
353 regalign for the reg == fpr and TDmode case.
355 2009-04-09 David Ayers <ayers@fsfe.org>
358 * objc/objc-act.c (warn_with_method): Remove helper function.
359 (check_duplicates): Call warning and inform directly.
360 (really_start_method): Likewise.
362 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
364 * expmed.c (expand_divmod): Always use a comparison for a division
365 by a large unsigned integer.
367 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
368 for things others than variables or functions as nonzero.
370 2009-04-09 Nick Clifton <nickc@redhat.com>
372 * unwind-compat.c: Change copyright header to refer to version
373 3 of the GNU General Public License with version 3.1 of the
374 GCC Runtime Library Exception and to point readers at the
375 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
376 * config/alpha/crtfastmath.c: Likewise.
377 * config/alpha/linux-unwind.h: Likewise.
378 * config/alpha/qrnnd.asm: Likewise.
379 * config/alpha/vms-crt0-64.c: Likewise.
380 * config/alpha/vms-crt0.c: Likewise.
381 * config/alpha/vms-dwarf2.asm: Likewise.
382 * config/alpha/vms-dwarf2eh.asm: Likewise.
383 * config/alpha/vms-psxcrt0-64.c: Likewise.
384 * config/alpha/vms-psxcrt0.c: Likewise.
385 * config/alpha/vms_tramp.asm: Likewise.
386 * config/arc/initfini.c: Likewise.
387 * config/arc/lib1funcs.asm: Likewise.
388 * config/arm/bpabi-v6m.S: Likewise.
389 * config/arm/bpabi.S: Likewise.
390 * config/arm/bpabi.c: Likewise.
391 * config/arm/crti.asm: Likewise.
392 * config/arm/crtn.asm: Likewise.
393 * config/arm/ieee754-df.S: Likewise.
394 * config/arm/ieee754-sf.S: Likewise.
395 * config/arm/lib1funcs.asm: Likewise.
396 * config/arm/libunwind.S: Likewise.
397 * config/arm/linux-atomic.c: Likewise.
398 * config/arm/mmintrin.h: Likewise.
399 * config/arm/pr-support.c: Likewise.
400 * config/arm/unaligned-funcs.c: Likewise.
401 * config/arm/unwind-arm.c: Likewise.
402 * config/arm/unwind-arm.h: Likewise.
403 * config/avr/libgcc.S: Likewise.
404 * config/bfin/crti.s: Likewise.
405 * config/bfin/crtlibid.s: Likewise.
406 * config/bfin/crtn.s: Likewise.
407 * config/bfin/lib1funcs.asm: Likewise.
408 * config/bfin/linux-unwind.h: Likewise.
409 * config/cris/arit.c: Likewise.
410 * config/cris/cris_abi_symbol.c: Likewise.
411 * config/darwin-64.c: Likewise.
412 * config/darwin-crt2.c: Likewise.
413 * config/darwin-crt3.c: Likewise.
414 * config/darwin.h: Likewise.
415 * config/dbxelf.h: Likewise.
416 * config/dfp-bit.c: Likewise.
417 * config/dfp-bit.h: Likewise.
418 * config/elfos.h: Likewise.
419 * config/fixed-bit.c: Likewise.
420 * config/fixed-bit.h: Likewise.
421 * config/fp-bit.c: Likewise.
422 * config/fp-bit.h: Likewise.
423 * config/fr30/crti.asm: Likewise.
424 * config/fr30/crtn.asm: Likewise.
425 * config/fr30/lib1funcs.asm: Likewise.
426 * config/freebsd-spec.h: Likewise.
427 * config/frv/cmovd.c: Likewise.
428 * config/frv/cmovh.c: Likewise.
429 * config/frv/cmovw.c: Likewise.
430 * config/frv/frvbegin.c: Likewise.
431 * config/frv/frvend.c: Likewise.
432 * config/frv/lib1funcs.asm: Likewise.
433 * config/glibc-stdint.h: Likewise.
434 * config/h8300/clzhi2.c: Likewise.
435 * config/h8300/crti.asm: Likewise.
436 * config/h8300/crtn.asm: Likewise.
437 * config/h8300/ctzhi2.c: Likewise.
438 * config/h8300/fixunssfsi.c: Likewise.
439 * config/h8300/lib1funcs.asm: Likewise.
440 * config/h8300/parityhi2.c: Likewise.
441 * config/h8300/popcounthi2.c: Likewise.
442 * config/i386/ammintrin.h: Likewise.
443 * config/i386/att.h: Likewise.
444 * config/i386/avxintrin.h: Likewise.
445 * config/i386/biarch64.h: Likewise.
446 * config/i386/bmmintrin.h: Likewise.
447 * config/i386/cpuid.h: Likewise.
448 * config/i386/cross-stdarg.h: Likewise.
449 * config/i386/crtfastmath.c: Likewise.
450 * config/i386/crtprec.c: Likewise.
451 * config/i386/cygming-crtbegin.c: Likewise.
452 * config/i386/cygming-crtend.c: Likewise.
453 * config/i386/cygwin.asm: Likewise.
454 * config/i386/emmintrin.h: Likewise.
455 * config/i386/gmm_malloc.h: Likewise.
456 * config/i386/gthr-win32.c: Likewise.
457 * config/i386/i386.h: Likewise.
458 * config/i386/immintrin.h: Likewise.
459 * config/i386/linux-unwind.h: Likewise.
460 * config/i386/linux64.h: Likewise.
461 * config/i386/mm3dnow.h: Likewise.
462 * config/i386/mmintrin-common.h: Likewise.
463 * config/i386/mmintrin.h: Likewise.
464 * config/i386/nmmintrin.h: Likewise.
465 * config/i386/pmm_malloc.h: Likewise.
466 * config/i386/pmmintrin.h: Likewise.
467 * config/i386/smmintrin.h: Likewise.
468 * config/i386/sol2-c1.asm: Likewise.
469 * config/i386/sol2-ci.asm: Likewise.
470 * config/i386/sol2-cn.asm: Likewise.
471 * config/i386/sol2-gc1.asm: Likewise.
472 * config/i386/tmmintrin.h: Likewise.
473 * config/i386/unix.h: Likewise.
474 * config/i386/w32-unwind.h: Likewise.
475 * config/i386/wmmintrin.h: Likewise.
476 * config/i386/x86-64.h: Likewise.
477 * config/i386/x86intrin.h: Likewise.
478 * config/i386/xmmintrin.h: Likewise.
479 * config/ia64/crtbegin.asm: Likewise.
480 * config/ia64/crtend.asm: Likewise.
481 * config/ia64/crtfastmath.c: Likewise.
482 * config/ia64/crti.asm: Likewise.
483 * config/ia64/crtn.asm: Likewise.
484 * config/ia64/fde-glibc.c: Likewise.
485 * config/ia64/lib1funcs.asm: Likewise.
486 * config/ia64/linux-unwind.h: Likewise.
487 * config/ia64/quadlib.c: Likewise.
488 * config/ia64/unwind-ia64.c: Likewise.
489 * config/linux.h: Likewise.
490 * config/m32c/m32c-lib1.S: Likewise.
491 * config/m32c/m32c-lib2-trapv.c: Likewise.
492 * config/m32c/m32c-lib2.c: Likewise.
493 * config/m32r/initfini.c: Likewise.
494 * config/m68hc11/larith.asm: Likewise.
495 * config/m68hc11/m68hc11-crt0.S: Likewise.
496 * config/m68k/cf.md: Likewise.
497 * config/m68k/crti.s: Likewise.
498 * config/m68k/crtn.s: Likewise.
499 * config/m68k/lb1sf68.asm: Likewise.
500 * config/m68k/linux-unwind.h: Likewise.
501 * config/mcore/crti.asm: Likewise.
502 * config/mcore/crtn.asm: Likewise.
503 * config/mcore/lib1.asm: Likewise.
504 * config/mips/linux-unwind.h: Likewise.
505 * config/mips/loongson.h: Likewise.
506 * config/mips/mips16.S: Likewise.
507 * config/mmix/crti.asm: Likewise.
508 * config/mmix/crtn.asm: Likewise.
509 * config/pa/fptr.c: Likewise.
510 * config/pa/hpux-unwind.h: Likewise.
511 * config/pa/lib2funcs.asm: Likewise.
512 * config/pa/linux-atomic.c: Likewise.
513 * config/pa/linux-unwind.h: Likewise.
514 * config/pa/milli64.S: Likewise.
515 * config/pa/quadlib.c: Likewise.
516 * config/pa/stublib.c: Likewise.
517 * config/picochip/libgccExtras/adddi3.asm: Likewise.
518 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
519 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
520 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
521 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
522 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
523 * config/picochip/libgccExtras/divmod15.asm: Likewise.
524 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
525 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
526 * config/picochip/libgccExtras/longjmp.asm: Likewise.
527 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
528 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
529 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
530 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
531 * config/picochip/libgccExtras/setjmp.asm: Likewise.
532 * config/picochip/libgccExtras/subdi3.asm: Likewise.
533 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
534 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
535 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
536 * config/rs6000/750cl.h: Likewise.
537 * config/rs6000/altivec.h: Likewise.
538 * config/rs6000/biarch64.h: Likewise.
539 * config/rs6000/crtresfpr.asm: Likewise.
540 * config/rs6000/crtresgpr.asm: Likewise.
541 * config/rs6000/crtresxfpr.asm: Likewise.
542 * config/rs6000/crtresxgpr.asm: Likewise.
543 * config/rs6000/crtsavfpr.asm: Likewise.
544 * config/rs6000/crtsavgpr.asm: Likewise.
545 * config/rs6000/darwin-asm.h: Likewise.
546 * config/rs6000/darwin-fallback.c: Likewise.
547 * config/rs6000/darwin-fpsave.asm: Likewise.
548 * config/rs6000/darwin-ldouble.c: Likewise.
549 * config/rs6000/darwin-tramp.asm: Likewise.
550 * config/rs6000/darwin-unwind.h: Likewise.
551 * config/rs6000/darwin-vecsave.asm: Likewise.
552 * config/rs6000/darwin-world.asm: Likewise.
553 * config/rs6000/e500crtres32gpr.asm: Likewise.
554 * config/rs6000/e500crtres64gpr.asm: Likewise.
555 * config/rs6000/e500crtres64gprctr.asm: Likewise.
556 * config/rs6000/e500crtrest32gpr.asm: Likewise.
557 * config/rs6000/e500crtrest64gpr.asm: Likewise.
558 * config/rs6000/e500crtresx32gpr.asm: Likewise.
559 * config/rs6000/e500crtresx64gpr.asm: Likewise.
560 * config/rs6000/e500crtsav32gpr.asm: Likewise.
561 * config/rs6000/e500crtsav64gpr.asm: Likewise.
562 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
563 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
564 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
565 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
566 * config/rs6000/eabi-ci.asm: Likewise.
567 * config/rs6000/eabi-cn.asm: Likewise.
568 * config/rs6000/eabi.asm: Likewise.
569 * config/rs6000/linux-unwind.h: Likewise.
570 * config/rs6000/linux64.h: Likewise.
571 * config/rs6000/paired.h: Likewise.
572 * config/rs6000/paired.md: Likewise.
573 * config/rs6000/ppc64-fp.c: Likewise.
574 * config/rs6000/ppu_intrinsics.h: Likewise.
575 * config/rs6000/rs6000.h: Likewise.
576 * config/rs6000/si2vmx.h: Likewise.
577 * config/rs6000/sol-ci.asm: Likewise.
578 * config/rs6000/sol-cn.asm: Likewise.
579 * config/rs6000/spe.h: Likewise.
580 * config/rs6000/spu2vmx.h: Likewise.
581 * config/rs6000/sysv4.h: Likewise.
582 * config/rs6000/tramp.asm: Likewise.
583 * config/rs6000/vec_types.h: Likewise.
584 * config/s390/linux-unwind.h: Likewise.
585 * config/s390/tpf-unwind.h: Likewise.
586 * config/score/crti.asm: Likewise.
587 * config/score/crtn.asm: Likewise.
588 * config/sh/crt1.asm: Likewise.
589 * config/sh/crti.asm: Likewise.
590 * config/sh/crtn.asm: Likewise.
591 * config/sh/divtab-sh4-300.c: Likewise.
592 * config/sh/divtab-sh4.c: Likewise.
593 * config/sh/divtab.c: Likewise.
594 * config/sh/lib1funcs-4-300.asm: Likewise.
595 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
596 * config/sh/lib1funcs.asm: Likewise.
597 * config/sh/lib1funcs.h: Likewise.
598 * config/sh/linux-atomic.asm: Likewise.
599 * config/sh/linux-unwind.h: Likewise.
600 * config/sh/shmedia.h: Likewise.
601 * config/sh/sshmedia.h: Likewise.
602 * config/sh/ushmedia.h: Likewise.
603 * config/sparc/crtfastmath.c: Likewise.
604 * config/sparc/linux-unwind.h: Likewise.
605 * config/sparc/sol2-c1.asm: Likewise.
606 * config/sparc/sol2-ci.asm: Likewise.
607 * config/sparc/sol2-cn.asm: Likewise.
608 * config/spu/divmodti4.c: Likewise.
609 * config/spu/divv2df3.c: Likewise.
610 * config/spu/float_disf.c: Likewise.
611 * config/spu/float_unsdidf.c: Likewise.
612 * config/spu/float_unsdisf.c: Likewise.
613 * config/spu/float_unssidf.c: Likewise.
614 * config/spu/mfc_multi_tag_release.c: Likewise.
615 * config/spu/mfc_multi_tag_reserve.c: Likewise.
616 * config/spu/mfc_tag_release.c: Likewise.
617 * config/spu/mfc_tag_reserve.c: Likewise.
618 * config/spu/mfc_tag_table.c: Likewise.
619 * config/spu/multi3.c: Likewise.
620 * config/spu/spu_internals.h: Likewise.
621 * config/spu/spu_intrinsics.h: Likewise.
622 * config/spu/spu_mfcio.h: Likewise.
623 * config/spu/vec_types.h: Likewise.
624 * config/spu/vmx2spu.h: Likewise.
625 * config/stormy16/stormy16-lib2.c: Likewise.
626 * config/svr4.h: Likewise.
627 * config/sync.c: Likewise.
628 * config/v850/lib1funcs.asm: Likewise.
629 * config/vxlib-tls.c: Likewise.
630 * config/vxlib.c: Likewise.
631 * config/vxworks-dummy.h: Likewise.
632 * config/xtensa/crti.asm: Likewise.
633 * config/xtensa/crtn.asm: Likewise.
634 * config/xtensa/ieee754-df.S: Likewise.
635 * config/xtensa/ieee754-sf.S: Likewise.
636 * config/xtensa/lib1funcs.asm: Likewise.
637 * config/xtensa/lib2funcs.S: Likewise.
638 * config/xtensa/linux-unwind.h: Likewise.
639 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
640 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
641 * coretypes.h: Likewise.
642 * crtstuff.c: Likewise.
643 * defaults.h: Likewise.
644 * dwarf2.h: Likewise.
645 * emutls.c: Likewise.
646 * gbl-ctors.h: Likewise.
647 * gcov-io.h: Likewise.
648 * ginclude/float.h: Likewise.
649 * ginclude/iso646.h: Likewise.
650 * ginclude/stdarg.h: Likewise.
651 * ginclude/stdbool.h: Likewise.
652 * ginclude/stddef.h: Likewise.
653 * ginclude/stdfix.h: Likewise.
654 * ginclude/stdint-gcc.h: Likewise.
655 * ginclude/tgmath.h: Likewise.
656 * gthr-aix.h: Likewise.
657 * gthr-dce.h: Likewise.
658 * gthr-gnat.c: Likewise.
659 * gthr-gnat.h: Likewise.
660 * gthr-lynx.h: Likewise.
661 * gthr-mipssde.h: Likewise.
662 * gthr-nks.h: Likewise.
663 * gthr-posix.c: Likewise.
664 * gthr-posix.h: Likewise.
665 * gthr-posix95.h: Likewise.
666 * gthr-rtems.h: Likewise.
667 * gthr-single.h: Likewise.
668 * gthr-solaris.h: Likewise.
669 * gthr-tpf.h: Likewise.
670 * gthr-vxworks.h: Likewise.
671 * gthr-win32.h: Likewise.
673 * libgcc2.c: Likewise.
674 * libgcc2.h: Likewise.
675 * libgcov.c: Likewise.
676 * tsystem.h: Likewise.
677 * typeclass.h: Likewise.
678 * unwind-c.c: Likewise.
679 * unwind-compat.h: Likewise.
680 * unwind-dw2-fde-compat.c: Likewise.
681 * unwind-dw2-fde-darwin.c: Likewise.
682 * unwind-dw2-fde-glibc.c: Likewise.
683 * unwind-dw2-fde.c: Likewise.
684 * unwind-dw2-fde.h: Likewise.
685 * unwind-dw2.c: Likewise.
686 * unwind-dw2.h: Likewise.
687 * unwind-generic.h: Likewise.
688 * unwind-pe.h: Likewise.
689 * unwind-sjlj.c: Likewise.
690 * unwind.inc: Likewise.
691 * config/arm/neon-gen.ml: Change generated copyright header to
692 refer to version 3 of the GNU General Public License with
693 version 3.1 of the GCC Runtime Library Exception and to point
694 readers at the COPYING3 and COPYING3.RUNTIME files and the
695 FSF's license web page.
696 * config/arm/arm_neon.h: Regenerate.
698 2009-04-09 Jakub Jelinek <jakub@redhat.com>
700 * config/cris/cris.md: Change copyright header to refer to version
701 3 of the GNU General Public License.
702 * doc/install.texi2html: Change copyright header to refer to version
703 3 of the GNU General Public License and to point readers at the
704 COPYING3 file and the FSF's license web page.
705 * config/vax/linux.h: Likewise.
707 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
709 * config/i386/i386.md (cmpcc): New.
710 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
711 (sync_compare_and_swap_cc*): Delete.
713 * config/s390/s390.c (s390_compare_emitted): Remove.
714 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
715 s390_compare_emitted used to be handled. Assert that modes match.
716 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
717 refer to sync_compare_and_swap_ccsi.
718 * config/s390/s390.h (s390_compare_emitted): Remove.
719 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
720 instead of s390_compare_emitted.
721 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
722 instead of s390_compare_emitted.
723 * config/s390/s390.md (cmpcc): New.
724 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
725 CC_REGNUM, do not pretend it's set.
726 (sync_compare_and_swap_cc*): Delete.
727 * config/s390/predicates.md (cc_reg_operand): New.
729 * expr.c (sync_compare_and_swap_cc): Delete.
730 * optabs.h (sync_compare_and_swap_cc): Delete.
731 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
732 is being used with can_compare_p.
733 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
735 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
736 look for a MODE_CC set instead. Use emit_store_flag.
737 (expand_compare_and_swap_loop): Likewise, with some additional
738 complication to avoid a force_reg when useless. Use
739 emit_cmp_and_jump_insns.
740 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
741 * doc/md.texi (sync_compare_and_swap_cc): Merge with
742 sync_compare_and_swap documentation.
744 2009-04-09 Jan Hubicka <jh@suse.cz>
746 * except.c (find_prev_try): Break out from ....
747 (duplicate_eh_regions): ... here; properly update prev_try pointers
748 when duplication part of tree.
749 (dump_eh_tree): Improve dumping.
750 (verify_eh_region): New.
751 (verify_eh_tree): Use it.
753 2009-04-06 Richard Guenther <rguenther@suse.de>
755 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
756 &ARRAY addresses by adjusting their types and prepending
758 * tree-cfg.c (verify_gimple_assign_single): Verify that
759 addresses are correct.
761 2009-04-09 Richard Guenther <rguenther@suse.de>
763 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
764 indices into an array reference if possible.
765 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
766 Fold POINTER_PLUS_EXPR statements with invariant address.
768 2009-04-09 Alan Modra <amodra@bigpond.net.au>
771 * config.gcc (powerpc64-*-linux*): Always build biarch.
773 2009-04-09 Joseph Myers <joseph@codesourcery.com>
776 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
777 it and pedwarn if this results in an INTEGER_CST.
779 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
781 * doc/install.texi: Update minimum GMP version. Remove obsolete
782 text in MPFR section.
784 2009-04-08 Jakub Jelinek <jakub@redhat.com>
786 * dwarf2out.c (class_scope_p): New static inline.
787 (class_or_namespace_scope_p): Use it.
788 (gen_variable_die): Use DW_TAG_member tag for static data member
789 declarations instead of DW_TAG_variable.
792 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
795 2009-04-08 Richard Guenther <rguenther@suse.de>
797 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
798 valueize random data.
800 2009-04-08 David Edelsohn <edelsohn@gnu.org>
802 * config.gcc (aix tm_file): Add aix-stdint.h.
803 (aix tm clause use_gcc_stdint): Set to wrap.
804 * config/rs6000/aix-stdint.h: New file.
806 2009-04-08 Richard Guenther <rguenther@suse.de>
809 * tree-dfa.c (add_referenced_var): Do not recurse into
811 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
813 (fold_const_aggregate_ref): Likewise.
815 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
817 * recog.c (ordered_comparison_operator): New.
818 * gensupport.c (std_preds): Add it.
819 * doc/md.texi (Machine-Independent Predicates): Document it.
821 2009-04-08 Jan Hubicka <jh@suse.cz>
823 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
824 * function.h (rtl_eh): Remove exception_handler_label_map.
825 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
826 remove_exception_handler_label, for_each_eh_label_1): Remove.
827 (rtl_remove_unreachable_regions): Remove.
828 (convert_from_eh_region_ranges): Do not remove unreachable regions.
829 (find_exception_handler_labels): Don't build the hashtable.
830 (maybe_remove_eh_handler): Remove.
831 (for_each_eh_label): Rewrite to walk the tree.
832 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
833 * except.h (maybe_remove_eh_handler): Remove.
834 * passes.c (init_optimization_passes): Schedule second EH cleanup
836 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
837 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
839 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
841 * genoutput.c (validate_optab_operands): New.
842 (gen_insn, gen_expand): Call it.
844 * genflags.c (gen_insn): Detect misused iterators.
845 (main): Pass line_no to gen_insn, exit with status 1 on error.
847 * genextract.c (line_no): Make global.
848 (VEC_safe_set_locstr): Change assertion to error message.
849 (main): Exit with status 1 on error.
851 2009-04-08 Joseph Myers <joseph@codesourcery.com>
855 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
856 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
857 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
858 * c-convert.c (convert): Do not call fold on results of conversion
859 functions when the result is a C_MAYBE_CONST_EXPR.
860 * c-parser.c (c_parser_postfix_expression): Do not fold condition
861 of __builtin_choose_expr.
862 * c-typeck.c (remove_c_maybe_const_expr): New.
863 (build_unary_op, build_conditional_expr, build_compound_expr,
864 build_binary_op, c_objc_common_truthvalue_conversion): Call
865 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
868 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
870 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
871 CODE to produce a new one. Add a prototype to use fold_convert_const
873 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
876 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
877 mix declarations and code.
879 2009-04-08 Ben Elliston <bje@au.ibm.com>
881 * gcc.c: Replace `CC' with `GCC' throughout.
883 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
885 * doc/invoke.texi: Document Atom support.
887 2009-04-07 Jason Merrill <jason@redhat.com>
890 * c-common.h, c-common.c: Add flag_pretty_templates.
891 * c-opts.c (c_common_handle_option): Set it.
892 * c.opt: Add -fno-pretty-templates.
893 * doc/invoke.texi (C++ Dialect Options): Likewise.
895 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
897 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
898 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
899 (ia64_expand_builtin): Likewise.
901 2009-04-07 Martin Jambor <mjambor@suse.cz>
903 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
904 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
905 ADDR_EXPRS are include too.
907 2009-04-07 Richard Guenther <rguenther@suse.de>
909 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
910 decls are only used if passes as parameters or if they are
911 local statics and the call is not to a builtin.
912 (call_may_clobber_ref_p_1): Likewise.
914 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
916 * expr.c (do_store_flag): Remove last argument. Simplify code
917 to avoid duplication of tests already done by can_compare_p.
918 (expand_expr_real_1): Adjust caller.
920 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
922 * optabs.c (can_compare_p): Test the predicate of a
923 cbranch and cstore pattern.
925 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
927 * expr.c (convert_move): Use emit_store_flag instead of
930 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
932 * config/i386/i386.c (ix86_compare_emitted): Remove.
933 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
934 ix86_compare_op0 like ix86_compare_emitted used to be handled.
935 * config/i386/i386.h (ix86_compare_emitted): Remove.
936 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
937 instead of ix86_compare_emitted.
938 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
940 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
942 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
943 Add t-sysroot-suffix to tmake_file.
944 * config/print-sysroot-suffix.sh: New file.
945 * config/t-sysroot-suffix: New file.
947 2009-04-07 Ben Elliston <bje@au.ibm.com>
949 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
950 as the latter produces a warning when the target does not support
953 2009-04-07 Ben Elliston <bje@au.ibm.com>
955 * dfp.c: Replace type punning assignments with memcpy throughout.
956 * Makefile.in (dfp.o-warn): Remove.
958 2009-04-07 Alan Modra <amodra@bigpond.net.au>
961 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
962 Include soft-fp/t-softfp after rs6000/t-linux64.
964 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
966 * stor-layout.c (set_sizetype): Use the full precision of their
967 machine mode for bitsize types.
969 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
971 * config/i386/i386.md: Revert 2 accidental checkins.
973 2009-04-06 Joey Ye <joey.ye@intel.com>
974 Xuepeng Guo <xuepeng.guo@intel.com>
975 H.J. Lu <hongjiu.lu@intel.com>
977 Atom pipeline model, tuning and insn selection.
978 * config.gcc (atom): Add atom config options and target.
980 * config/i386/atom.md: New.
982 * config/i386/i386.c (atom_cost): New cost.
983 (m_ATOM): New macro flag.
984 (initial_ix86_tune_features): Set m_ATOM.
985 (x86_accumulate_outgoing_args): Likewise.
986 (x86_arch_always_fancy_math_387): Likewise.
987 (processor_target): Add Atom cost.
988 (cpu_names): Add Atom cpu name.
989 (override_options): Set Atom ISA.
990 (ix86_issue_rate): New case PROCESSOR_ATOM.
991 (ix86_adjust_cost): Likewise.
993 * config/i386/i386.h (TARGET_ATOM): New target macro.
994 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
995 (TARGET_OPT_AGU): New target option.
996 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
997 (processor_type): Add PROCESSOR_ATOM.
999 * config/i386/i386.md (cpu): Add new value "atom".
1000 (use_carry, movu): New attr.
1001 (atom.md): Include atom.md.
1002 (adddi3_carry_rex64): Set attr "use_carry".
1003 (addqi3_carry): Likewise.
1004 (addhi3_carry): Likewise.
1005 (addsi3_carry): Likewise.
1006 (*addsi3_carry_zext): Likewise.
1007 (subdi3_carry_rex64): Likewise.
1008 (subqi3_carry): Likewise.
1009 (subhi3_carry): Likewise.
1010 (subsi3_carry): Likewise.
1011 (x86_movdicc_0_m1_rex64): Likewise.
1012 (*x86_movdicc_0_m1_se): Likewise.
1013 (x86_movsicc_0_m1): Likewise.
1014 (*x86_movsicc_0_m1_se): Likewise.
1015 (*adddi_1_rex64): Emit add insn as much as possible.
1016 (*addsi_1): Likewise.
1017 (return_internal): Set atom_unit.
1018 (return_internal_long): Likewise.
1019 (return_pop_internal): Likewise.
1020 (*rcpsf2_sse): Set atom_sse_attr attr.
1021 (*qrt<mode>2_sse): Likewise.
1022 (*prefetch_sse): Likewise.
1024 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1026 (ix86_target_macros_internal): Likewise.
1028 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1029 (*prefetch_sse_rex): Likewise.
1030 (sse_rcpv4sf2): Likewise.
1031 (sse_vmrcpv4sf2): Likewise.
1032 (sse_sqrtv4sf2): Likewise.
1033 (<sse>_vmsqrt<mode>2): Likewise.
1034 (sse_ldmxcsr): Likewise.
1035 (sse_stmxcsr): Likewise.
1036 (*sse_sfence): Likewise.
1037 (sse2_clflush): Likewise.
1038 (*sse2_mfence): Likewise.
1039 (*sse2_lfence): Likewise.
1040 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1041 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1042 (avx_movdqu<avxmodesuffix>): Likewise.
1043 (avx_lddqu<avxmodesuffix>): Likewise.
1044 (sse2_movntv2di): Change attr "type" to "ssemov".
1045 (sse2_movntsi): Likewise.
1046 (rsqrtv8sf2): Change attr "type" to "sseadd".
1047 (sse3_addsubv2df3): Set attr "atom_unit".
1048 (sse3_h<plusminus_insn>v4sf3): Likewise.
1049 (*sse2_pmaddwd): Likewise.
1050 (*vec_extractv2di_1_rex64): Likewise.
1051 (*vec_extractv2di_1_avx): Likewise.
1052 (sse2_psadbw): Likewise.
1053 (ssse3_phaddwv8hi3): Likewise.
1054 (ssse3_phaddwv4hi3): Likewise.
1055 (ssse3_phadddv4si3): Likewise.
1056 (ssse3_phadddv2si3): Likewise.
1057 (ssse3_phaddswv8hi3): Likewise.
1058 (ssse3_phaddswv4hi3): Likewise.
1059 (ssse3_phsubwv8hi3): Likewise.
1060 (ssse3_phsubwv4hi3): Likewise.
1061 (ssse3_phsubdv4si3): Likewise.
1062 (ssse3_phsubdv2si3): Likewise.
1063 (ssse3_phsubswv8hi3): Likewise.
1064 (ssse3_phsubswv4hi3): Likewise.
1065 (ssse3_pmaddubsw128): Likewise.
1066 (sse3_pmaddubsw: Likewise.
1067 (ssse3_palignrti): Likewise.
1068 (ssse3_palignrdi): Likewise.
1070 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1072 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1074 2009-04-06 Richard Guenther <rguenther@suse.de>
1076 PR tree-optimization/28868
1077 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1078 of which PHI results we inserted.
1079 (insert_into_preds_of_block): Record inserted PHIs.
1080 (eliminate): Eliminate redundant PHI nodes.
1081 (init_pre): Init inserted_phi_names.
1083 2009-04-06 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/39643
1086 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1087 IMAGPART_EXPRs of complex constants.
1088 (execute_fold_all_builtins): If we folded a call queue
1089 TODO_update_address_taken.
1091 2009-04-06 Jan Hubicka <jh@suse.cz>
1094 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1097 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1099 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1101 (ic_invalidate_array): Likewise.
1103 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1105 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1106 alignment for library calls.
1108 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1110 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1111 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1112 * config/i386/mingw-stdint.h: New file.
1114 2009-04-05 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/39648
1117 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1118 our &A vs. &A[0] IL deficiencies.
1120 2009-04-04 Jan Hubicka <jh@suse.cz>
1122 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1123 removed toplevel regions.
1124 (sjlj_mark_call_sites): Likewise.
1126 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1128 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1129 (cygwin tm clause use_gcc_stdint): Set to wrap.
1130 * config/i386/cygwin-stdint.h: New file.
1132 2009-04-04 Richard Guenther <rguenther@suse.de>
1134 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1135 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1136 single-argument PHIs if we are in loop-closed SSA form.
1137 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1138 for the pre-condition.
1139 (slpeel_tree_peel_loop_to_edge): Likewise.
1140 (vect_build_loop_niters): Take an optional sequence to append stmts.
1141 (vect_generate_tmps_on_preheader): Likewise.
1142 (vect_do_peeling_for_loop_bound): Take extra guards for the
1144 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1145 the cost model check.
1146 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1147 guards if we are going to peel. Do not apply versioning in that case.
1148 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1149 (vect_do_peeling_for_loop_bound): Likewise.
1150 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1151 loop bound only record extra pre-conditions, do not apply loop
1154 2009-04-04 Richard Guenther <rguenther@suse.de>
1156 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1159 2009-04-04 Jan Hubicka <jh@suse.cz>
1161 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1162 last_basic_block for size of bb->index indexed array.
1163 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1164 compute_out, link_btr_uses, build_btr_def_use_webs,
1165 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1167 2009-04-04 Jan Hubicka <jh@suse.cz>
1169 * except.c (remove_eh_handler_and_replace): Break out from ...
1170 (remove_eh_handler): ... here.
1171 (bring_to_root): New function.
1172 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1173 handled ones, bring others to root of tree.
1175 2009-04-04 Jan Hubicka <jh@suse.cz>
1177 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1178 (all_phis_safe_to_merge): New function.
1179 (update_info): New structure.
1180 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1181 (cleanup_empty_eh): Update SSA if possible.
1183 2009-04-04 Richard Guenther <rguenther@suse.de>
1185 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1186 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1187 (append_vuse): Likewise.
1189 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1191 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1192 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1193 instead of REG_UNSAVED for DW_CFA_undefined.
1194 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1195 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1198 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1201 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1202 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1203 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1205 2009-04-04 Richard Guenther <rguenther@suse.de>
1207 PR tree-optimization/8781
1208 PR tree-optimization/37892
1209 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1210 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1211 (valueize_refs): Call it for *& valueizations.
1212 (shared_reference_ops_from_ref): Rename to ...
1213 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1214 (shared_reference_ops_from_call): Rename to ...
1215 (valueize_shared_reference_ops_from_call): ... this and valueize.
1216 (vn_reference_lookup): Update.
1217 (visit_reference_op_call): Likewise.
1218 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1219 (eliminate): Value-replace the call address in call statements.
1221 2009-04-04 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/39636
1224 * tree-ssa-forwprop.c
1225 (forward_propagate_addr_into_variable_array_index): Check for
1226 GIMPLE_ASSIGN before accessing the rhs code.
1228 2009-04-03 Jason Merrill <jason@redhat.com>
1230 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1232 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1234 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1235 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1236 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1237 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1238 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1239 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1240 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1241 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1242 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1243 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1244 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1245 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1246 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1247 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1248 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1249 Use fr_reg_or_fp01_operand instead of fr_register_operand
1251 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1252 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1253 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1255 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1257 PR rtl-optimization/39607
1258 PR rtl-optimization/39631
1262 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1263 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1264 instead of DF_LR_OUT.
1265 * ira-lives.c (process_bb_node_lives): Ditto.
1266 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1267 instead of DF_LR_{OUT,IN}.
1268 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1269 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1271 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1273 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1274 (execute_lower_omp): Always run but take the short way out if -fopenmp
1276 (gate_lower_omp): Remove, forcing the pass manager to always run the
1277 pass and always set PROP_gimple_lomp.
1278 (pass_lower_omp): Remove gate function.
1279 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1280 PROP_trees. Instead, require it.
1281 * ipa-cp.c (pass_ipa_cp): Likewise.
1282 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1283 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1284 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1285 and PROP_gimple_leh.
1287 2009-04-03 Richard Guenther <rguenther@suse.de>
1290 PR tree-optimization/23940
1291 PR tree-optimization/33237
1294 PR tree-optimization/36201
1295 PR tree-optimization/36230
1296 PR tree-optimization/38049
1297 PR tree-optimization/38207
1298 PR tree-optimization/38230
1299 PR tree-optimization/38301
1300 PR tree-optimization/38585
1302 PR tree-optimization/38985
1303 PR tree-optimization/39299
1304 * tree-ssa-structalias.h: Remove.
1305 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1306 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1307 (struct vuse_element_d): Remove.
1308 (struct vuse_vec_d): Likewise.
1309 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1310 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1311 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1312 VUSE_ELEMENT_VAR): Likewise.
1313 (struct voptype_d): Likewise.
1314 (NUM_VOP_FREE_BUCKETS): Likewise.
1315 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1316 (struct stmt_operands_d): Remove.
1317 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1318 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1319 VDEF_NUM, VDEF_VECT): Likewise.
1320 (copy_virtual_operands): Remove.
1321 (operand_build_cmp): Likewise.
1322 (create_ssa_artificial_load_stmt): Likewise.
1323 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1324 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1325 vuse_index and mayuse_index members. Pack and move done and iter_type
1326 members to the front.
1327 (SSA_OP_VMAYUSE): Remove.
1328 (SSA_OP_VIRTUAL_USES): Adjust.
1329 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1330 (unlink_stmt_vdef): Declare.
1331 (add_to_addressable_set): Remove.
1332 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1333 (vrp_visit_stmt): Likewise.
1334 * doc/tree-ssa.texi (Alias analysis): Update.
1335 * doc/invoke.texi (max-aliased-vops): Remove docs.
1336 (avg-aliased-vops): Likewise.
1337 * tree-into-ssa.c (syms_to_rename): Remove.
1338 (need_to_update_vops_p): Likewise.
1339 (need_to_initialize_update_ssa_p): Rename to ...
1340 (update_ssa_initialized_fn): ... this. Track function we are
1342 (symbol_marked_for_renaming): Simplify.
1343 (add_new_name_mapping): Do not set need_to_update_vops_p.
1344 (dump_currdefs): Use SYMS_TO_RENAME.
1345 (rewrite_update_stmt): Always walk all uses/defs.
1346 (dump_update_ssa): Adjust.
1347 (init_update_ssa): Take function argument. Track what we are
1349 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1350 (create_new_def_for): Initialize for cfun, assert we are initialized
1352 (mark_sym_for_renaming): Simplify.
1353 (mark_set_for_renaming): Do not initialize update-ssa.
1354 (need_ssa_update_p): Simplify. Take function argument.
1355 (name_mappings_registered_p): Assert we ask for the correct function.
1356 (name_registered_for_update_p): Likewise.
1357 (ssa_names_to_replace): Likewise.
1358 (release_ssa_name_after_update_ssa): Likewise.
1359 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1360 (dump_decl_set): Do not print a newline.
1361 (debug_decl_set): Do it here.
1362 (dump_update_ssa): And here.
1363 * tree-ssa-loop-im.c (move_computations): Adjust.
1364 (movement_possibility): Likewise.
1365 (determine_max_movement): Likewise.
1366 (gather_mem_refs_stmt): Likewise.
1367 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1369 * tree-complex.c (update_all_vops): Remove.
1370 (expand_complex_move): Adjust.
1371 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1372 Simplify test for memory referencing statement. Exclude
1373 non-invariant ADDR_EXPRs.
1374 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1375 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1376 (rdg_flag_uses): Likewise.
1377 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1379 (tree_optimize_tail_calls_1): Also split the
1380 edge from the entry block if we have degenerate PHI nodes in
1381 the first basic block.
1382 * tree.c (init_ttree): Remove memory-tag related code.
1383 (tree_code_size): Likewise.
1384 (tree_node_structure): Likewise.
1385 (build7_stat): Re-write to be build6_stat.
1386 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1387 (SSA_VAR_P): Adjust.
1388 (struct tree_memory_tag): Remove.
1389 (struct tree_memory_partition_tag): Likewise.
1390 (union tree_node): Adjust.
1391 (build7): Re-write to be build6.
1392 * tree-pass.h (pass_reset_cc_flags): Remove.
1393 (TODO_update_address_taken): New flag.
1394 (pass_simple_dse): Remove.
1395 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1396 * params.h (MAX_ALIASED_VOPS): Remove.
1397 (AVG_ALIASED_VOPS): Likewise.
1398 * omp-low.c (expand_omp_taskreg): Update SSA form.
1399 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1400 aliases the lhs in a copy stmt.
1401 * tree-ssa-dse.c (struct address_walk_data): Remove.
1402 (memory_ssa_name_same): Likewise.
1403 (memory_address_same): Likewise.
1404 (get_kill_of_stmt_lhs): Likewise.
1405 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1406 unused stores. Look through PHI nodes into post-dominated regions.
1407 (dse_optimize_stmt): Simplify. Properly remove stores.
1408 (tree_ssa_dse): Compute dominators.
1409 (execute_simple_dse): Remove.
1410 (pass_simple_dse): Likewise.
1411 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1412 gimple_loaded_syms and gimple_stored_syms computation.
1413 * toplev.c (dump_memory_report): Dump alias and pta stats.
1414 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1415 (vn_reference_eq): Likewise.
1416 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1417 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1418 valueize_vuses): Remove.
1419 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1420 (get_def_ref_stmt_vuse): ... this.
1421 (vn_reference_lookup_2): New function.
1422 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1423 walking equivalent vuses. Simplify.
1424 (vn_reference_lookup): Likewise.
1425 (vn_reference_insert): Likewise.
1426 (vn_reference_insert_pieces): Likewise.
1427 (visit_reference_op_call): Simplify.
1428 (visit_reference_op_load): Likewise.
1429 (visit_reference_op_store): Likewise.
1430 (init_scc_vn): Remove shared_lookup_vuses initialization.
1431 (free_scc_vn): Remove shared_lookup_vuses freeing.
1432 (sort_vuses, sort_vuses_heap): Remove.
1433 (get_ref_from_reference_ops): Export.
1434 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1435 vector with single vuse pointer.
1436 (vn_reference_lookup_pieces, vn_reference_lookup,
1437 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1438 (shared_vuses_from_stmt): Remove.
1439 (get_ref_from_reference_ops): Declare.
1440 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1441 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1442 memory-tag related code.
1443 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1444 (likely_value): Add comment, skip static-chain of call statements.
1445 (surely_varying_stmt_p): Adjust.
1446 (gimplify_and_update_call_from_tree): Likewise.
1447 (execute_fold_all_builtins): Do not rebuild alias info.
1448 (gimplify_and_update_call_from_tree): Properly update VOPs.
1449 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1450 (copy_ref_info): Remove memory-tag related code.
1451 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1452 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1453 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1455 * tree-ssa-dom.c (gimple_p): Remove typedef.
1456 (eliminate_redundant_computations): Adjust.
1457 (record_equivalences_from_stmt): Likewise.
1458 (avail_expr_hash): Likewise.
1459 (avail_expr_eq): Likewise.
1460 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1461 (stmt_makes_single_load): Likewise.
1462 (stmt_makes_single_store): Likewise.
1463 * tree-ssa-alias.c: Rewrite completely.
1464 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1465 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1466 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1467 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1468 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1469 Remove public functions.
1470 (pass_reset_cc_flags): Remove.
1471 (pass_build_alias): Move ...
1472 * tree-ssa-structalias.c (pass_build_alias): ... here.
1473 * tree-ssa-alias.c (may_be_aliased): Move ...
1474 * tree-flow-inline.h (may_be_aliased): ... here.
1475 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1476 count_uses_and_derefs): Move ...
1477 * gimple.c: ... here.
1478 * gimple.h (count_uses_and_derefs): Declare.
1479 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1480 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1481 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1482 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1483 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1484 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1485 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1487 * tree-dfa.c (refs_may_alias_p): Move ...
1488 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1489 * tree-ssa-alias.h: New file.
1490 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1491 (statement_sink_location): Likewise.
1492 * opts.c (decode_options): Do not adjust max-aliased-vops or
1493 avg-aliased-vops values.
1494 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1495 (TV_CALL_CLOBBER): Likewise.
1496 (TV_FLOW_SENSITIVE): Likewise.
1497 (TV_FLOW_INSENSITIVE): Likewise.
1498 (TV_MEMORY_PARTITIONING): Likewise.
1499 (TV_ALIAS_STMT_WALK): New timevar.
1500 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1501 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1502 (get_address_description): Remove memory-tag related code.
1503 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1504 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1505 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1506 and immediate uses in statements. Document.
1507 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1508 (dump_symbols): Remove.
1509 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1510 * alias.c (get_deref_alias_set): New function split out from ...
1511 (get_alias_set): ... here.
1512 * alias.h (get_deref_alias_set): Declare.
1513 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1514 type parameter. Remove restrict pointer handling. Create a
1515 ref-all pointer in case type-based alias sets do not conflict.
1516 (vect_analyze_data_refs): Remove SMT related code.
1517 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1518 (vectorizable_load): Likewise.
1519 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1520 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1521 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1522 Ignore vops and SMTs.
1523 (dr_analyze_alias): Likewise..
1524 (free_data_ref): Likewise.
1525 (create_data_ref): Likewise.
1526 (analyze_all_data_dependences): Likewise.
1527 (get_references_in_stmt): Adjust.
1528 * tree-flow-inline.h (gimple_aliases_computed_p,
1529 gimple_addressable_vars, gimple_call_clobbered_vars,
1530 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1531 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1532 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1533 gimple_mem_ref_stats): Remove.
1534 (gimple_vop): New function.
1535 (op_iter_next_use): Remove vuses and mayuses cases.
1536 (op_iter_next_def): Remove vdefs case.
1537 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1538 (clear_and_done_ssa_iter): Do not set removed fields.
1539 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1540 Assert we are not iterating over vuses or vdefs if not also
1541 iterating over uses or defs.
1542 (op_iter_init_use): Likewise.
1543 (op_iter_init_def): Likewise.
1544 (op_iter_next_vdef): Remove.
1545 (op_iter_next_mustdef): Likewise.
1546 (op_iter_init_vdef): Likewise.
1547 (compare_ssa_operands_equal): Likewise.
1548 (link_use_stmts_after): Handle vuse operand.
1549 (is_call_used): Use is_call_clobbered.
1550 (is_call_clobbered): Global variables are always call clobbered,
1551 query the call-clobbers bitmap.
1552 (mark_call_clobbered): Ignore global variables.
1553 (clear_call_clobbered): Likewise.
1554 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1555 virtual operands sanity check.
1556 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1558 (TARGET_MEM_REF): Remove TMR_TAG operand.
1559 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1560 Remove call-clobber related code.
1561 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1562 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1563 partitions or escape reason.
1564 (get_single_def_stmt, get_single_def_stmt_from_phi,
1565 get_single_def_stmt_with_phi): Remove.
1566 (dump_referenced_vars): Tidy.
1567 (get_ref_base_and_extent): Allow bare decls.
1568 (collect_dfa_stats): Adjust.
1569 * graphite.c (rename_variables_in_stmt): Adjust.
1570 (graphite_copy_stmts_from_block): Likewise.
1571 (translate_clast): Likewise.
1572 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1574 (translate_vuse_through_block): Use the oracle.
1575 (phi_translate_1): Adjust.
1576 (value_dies_in_block_x): Use the oracle. Cache the outcome
1578 (valid_in_sets): Check if the VUSE for
1579 a REFERENCE is available.
1580 (eliminate): Do not remove stmts during elimination,
1581 instead queue and remove them afterwards.
1582 (do_pre): Do not rebuild alias info.
1583 (pass_pre): Run TODO_rebuild_alias before PRE.
1584 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1585 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1586 (mark_all_v_defs_stmt): Remove.
1587 (mark_all_v_defs_seq): Adjust.
1588 (sra_replace): Likewise.
1589 (scalarize_use): Likewise.
1590 (scalarize_copy): Likewise.
1591 (scalarize_init): Likewise.
1592 (scalarize_ldst): Likewise.
1593 (todoflags): Remove.
1594 (tree_sra): Do not rebuild alias info.
1595 (tree_sra_early): Adjust.
1596 (pass_sra): Run TODO_update_address_taken before SRA.
1597 * tree-predcom.c (set_alias_info): Remove.
1598 (prepare_initializers_chain): Do not call it.
1599 (mark_virtual_ops_for_renaming): Adjust.
1600 (mark_virtual_ops_for_renaming_list): Remove.
1601 (initialize_root_vars): Adjust.
1602 (initialize_root_vars_lm): Likewise.
1603 (prepare_initializers_chain): Likewise.
1604 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1605 (may_propagate_copy_into_stmt): Likewise.
1606 (merge_alias_info): Do nothing for now.
1607 (propagate_tree_value_into_stmt): Adjust.
1608 (stmt_may_generate_copy): Likewise.
1609 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1610 not mark symbols for renaming.
1611 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1612 with the same statement, make sure to update the new pointed-to one.
1613 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1614 call statements, do not mark symbols for renaming.
1615 (mark_operand_necessary): Dump something.
1616 (ref_may_be_aliased): New function.
1617 (mark_aliased_reaching_defs_necessary_1): New helper function.
1618 (mark_aliased_reaching_defs_necessary): Likewise.
1619 (mark_all_reaching_defs_necessary_1): Likewise.
1620 (mark_all_reaching_defs_necessary): Likewise.
1621 (propagate_necessity): Do not process virtual PHIs. For
1622 non-aliased loads mark all reaching definitions as necessary.
1623 For aliased loads and stores mark the immediate dominating
1624 aliased clobbers as necessary.
1625 (visited): New global static.
1626 (perform_tree_ssa_dce): Free visited bitmap after propagating
1628 (remove_dead_phis): Perform simple dead virtual PHI removal.
1629 (remove_dead_stmt): Properly unlink virtual operands when
1631 (eliminate_unnecessary_stmts): Schedule PHI removal after
1633 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1634 (process_replaceable): Likewise.
1635 (find_replaceable_in_bb): Likewise.
1636 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1637 based on the single gimple vop.
1638 (verify_flow_insensitive_alias_info): Remove.
1639 (verify_flow_sensitive_alias_info): Likewise.
1640 (verify_call_clobbering): Likewise.
1641 (verify_memory_partitions): Likewise.
1642 (verify_alias_info): Likewise.
1643 (verify_ssa): Adjust..
1644 (execute_update_addresses_taken): Export. Update SSA
1645 manually. Optimize only when optimizing. Use a local bitmap.
1646 (pass_update_address_taken): Remove TODO_update_ssa, add
1648 (pass_update_address_taken): Just use TODO_update_address_taken.
1649 (init_tree_ssa): Do not initialize addressable_vars.
1650 (verify_ssa): Verify new VUSE / VDEF properties.
1651 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1652 Do not call verify_alias_info.
1653 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1654 Do not free the loaded and stored syms bitmaps. Reset the escaped
1655 and callused solutions. Do not free addressable_vars.
1656 Remove memory-tag related code.
1657 (warn_uninitialized_var): Aliases are always available.
1658 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1659 * lambda-code.c (can_put_in_inner_loop): Adjust.
1660 (can_put_after_inner_loop): Likewise.
1661 (perfect_nestify): Likewise.
1662 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1663 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1664 (vectorizable_conversion): Do not mark symbols for renaming.
1665 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1666 (expand_call_inline): Unlink the calls virtual operands before
1668 (tree_function_versioning): Do not call update_ssa if we are not
1669 updating clones. Simplify.
1670 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1671 (propagate_with_phi): Likewise..
1672 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1673 clobber code. Assert we are not aliased or global.
1674 * tree-flow.h: Include tree-ssa-alias.h
1675 (enum escape_type): Remove.
1676 (struct mem_sym_stats_d): Likewise.
1677 (struct mem_ref_stats_d): Likewise.
1678 (struct gimple_df): Add vop member. Remove global_var,
1679 call_clobbered_vars, call_used_vars, addressable_vars,
1680 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1681 escaped and callused members.
1682 (struct ptr_info_def): Remove all members, add points-to solution
1684 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1685 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1686 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1687 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1688 (tree-ssa-alias.o): Likewise.
1689 (toplev.o): Add tree-ssa-alias.h
1690 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1691 * gimple.c (gimple_set_bb): Fix off-by-one error.
1692 (is_gimple_reg): Do not handle memory tags.
1693 (gimple_copy): Also copy virtual operands.
1694 Delay updating the statement. Do not reset loaded and stored syms.
1695 (gimple_set_stored_syms): Remove.
1696 (gimple_set_loaded_syms): Likewise.
1697 (gimple_call_copy_skip_args): Copy the virtual operands
1698 and mark the new statement modified.
1699 * tree-ssa-structalias.c (may_alias_p): Remove.
1700 (set_uids_in_ptset): Take the alias set to prune with as
1701 parameter. Fold in the alias test of may_alias_p.
1702 (compute_points_to_sets): Compute whether a ptr is dereferenced
1704 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1705 other ADDRESSOF constraints on the lhs.
1706 (get_constraint_for_component_ref): Assert that we don't get
1707 ADDRESSOF constraints from the base of the reference.
1708 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1709 (struct variable_info): Remove collapsed_to member.
1710 (get_varinfo_fc): Remove.
1711 (new_var_info): Do not set collapsed_to.
1712 (dump_constraint): Do not follow cycles.
1713 (dump_constraint_graph): Likewise.
1714 (build_pred_graph): Likewise.
1715 (build_succ_graph): Likewise.
1716 (rewrite_constraints): Likewise.
1717 (do_simple_structure_copy): Remove.
1718 (do_rhs_deref_structure_copy): Remove.
1719 (do_lhs_deref_structure_copy): Remove.
1720 (collapse_rest_of_var): Remove.
1721 (do_structure_copy): Re-implement.
1722 (pta_stats): New global variable.
1723 (dump_pta_stats): New function.
1724 (struct constraint_expr): Make offset signed.
1725 (UNKNOWN_OFFSET): Define special value.
1726 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1727 (solution_set_expand): New helper function split out from ...
1728 (do_sd_constraint): ... here.
1729 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1730 (do_ds_constraint): Likewise.
1731 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1732 and CALLUSED = *CALLUSED.
1733 (set_union_with_increment): Make inc argument signed.
1734 (type_safe): Remove.
1735 (get_constraint_for_ptr_offset): Handle unknown and negative
1737 (first_vi_for_offset): Handle offsets before start. Bail
1738 out early for offsets beyond the variable extent.
1739 (first_or_preceding_vi_for_offset): New function.
1740 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1741 Together with ESCAPED = *ESCAPED this properly computes reachability.
1742 (find_what_var_points_to): New function.
1743 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1744 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1745 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1746 pt_solutions_intersect): New functions.
1747 (compute_call_used_vars): Remove.
1748 (compute_may_aliases): New main entry into PTA computation.
1749 * gimple.h (gimple_p): New typedef.
1750 (struct gimple_statement_base): Remove references_memory_p.
1751 (struct gimple_statement_with_memory_ops_base): Remove
1752 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1754 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1755 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1756 gimple_set_references_memory): Remove.
1757 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1758 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1760 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1761 (verify_expr): Allow RESULT_DECL.
1762 (gimple_duplicate_bb): Do not copy virtual operands.
1763 (gimple_duplicate_sese_region): Adjust.
1764 (gimple_duplicate_sese_tail): Likewise.
1765 (mark_virtual_ops_in_region): Remove.
1766 (move_sese_region_to_fn): Do not call it.
1767 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1768 and pass_simple_dse.
1769 (execute_function_todo): Handle TODO_update_address_taken,
1770 call execute_update_addresses_taken for TODO_rebuild_alias.
1771 (execute_todo): Adjust.
1772 (execute_one_pass): Init dump files early.
1773 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1775 (create_general_new_stmt): Clear vops.
1776 * tree-ssa-reassoc.c (get_rank): Adjust.
1777 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1778 symbols for renaming.
1779 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1780 (PARAM_AVG_ALIASED_VOPS): Likewise.
1781 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1782 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1783 * tree-ssa-operands.c: Simplify for new virtual operand representation.
1784 (operand_build_cmp, copy_virtual_operands,
1785 create_ssa_artificial_load_stmt, add_to_addressable_set,
1786 gimple_add_to_addresses_taken): Remove public functions.
1787 (unlink_stmt_vdef): New function.
1789 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1791 * config.gcc (powerpc-*-linux*): Merge variants.
1793 2009-04-02 Chao-ying Fu <fu@mips.com>
1794 James Grosbach <james.grosbach@microchip.com>
1796 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1797 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1799 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1800 keep_interrupts_masked_p, use_debug_exception_return_p.
1801 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1802 keep_interrupts_masked, use_debug_exception_return.
1803 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1804 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1806 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1807 (mips_print_operand): Process COP0 registers to print $0 .. $31
1808 correctly for GAS to process.
1809 (mips_interrupt_extra_call_saved_reg_p): New function.
1810 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1812 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1813 (mips_compute_frame_info): Add supports for interrupt context that
1814 includes doubleword accumulators and COP0 registers.
1815 (mips_for_each_saved_acc): New function.
1816 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1817 mips_for_each_saved_reg.
1818 (mips_save_reg): Save accumulators.
1819 (mips_kernel_reg_p): A new for_each_rtx callback.
1820 (mips_expand_prologue): Support interrupt handlers.
1821 (mips_restore_reg): Restore accumulators.
1822 (mips_expand_epilogue): Support interrupt handlers.
1823 (mips_can_use_return_insn): Return false for interrupt handlers.
1824 (mips_epilogue_uses): New function.
1825 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1826 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1827 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1828 cop0_move): New instructions.
1829 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1830 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1832 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1834 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1835 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1836 interrupt handlers, we use K0 as the temporary register.
1837 (EPILOGUE_USES): Change to a function call.
1838 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1839 handlers, we use K0 as the temporary register.
1841 * doc/extend.texi (Function Attributes): Document interrupt,
1842 use_shadow_register_set, keep_interrupts_masked,
1843 use_debug_exception_return for MIPS attributes.
1845 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1847 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1848 Remove a number of t-files from tmake_file.
1849 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1850 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1851 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1852 target_prototype, not TARGET_PROTOTYPE.
1853 (LINK_OS_GNU_SPEC): Define.
1854 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1855 and darwin-ldoubdle.c.
1857 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1860 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1861 (cpp_options): Ditto.
1862 (default_compilers): Ditto.
1863 (display_help): Ditto.
1864 (process_command): Ditto.
1866 (set_input): Use lbasename instead of duplicate code.
1867 (save_temps_prefix): New static for -save-temps=obj.
1868 (save_temps_length): Ditto.
1870 * doc/invoke.texi (-save-temps=obj): Document new variant to
1873 2009-04-02 Jeff Law <law@redhat.com>
1875 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1878 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1880 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1881 * configure: Regenerated.
1883 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1885 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1886 share the argument list.
1888 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1892 2009-02-12 Diego Novillo <dnovillo@google.com>
1894 * varpool.c (debug_varpool): New.
1895 * cgraph.h (debug_varpool): Declare.
1897 2009-04-02 Jan Hubicka <jh@suse.cz>
1899 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1902 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1904 * config/i386/i386.c (ix86_abi): Move initialization to ...
1905 (override_options): Here.
1907 2009-04-02 Christian Bruel <christian.bruel@st.com>
1909 * config/sh/sh.c (sh_dwarf_register_span): New function.
1910 (TARGET_DWARF_REGISTER_SPAN): Define.
1911 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1913 2009-04-02 Ira Rosen <irar@il.ibm.com>
1915 PR tree-optimization/39595
1916 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1917 interleaved loads group is not greater than the SLP group size.
1919 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1921 * builtins.c (is_builtin_name): New.
1922 (called_as_built_in): Use is_builtin_name.
1923 * tree.h (is_builtin_name): New.
1924 * varasm.c (incorporeal_function_p): Use is_builtin_name
1926 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1928 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1930 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1933 * c-decl.c: (clone_underlying_type): Move this ...
1934 * c-common.c (set_underlying_type): ... here.
1935 Also, make sure the function properly sets TYPE_STUB_DECL() on
1936 the newly created typedef variant type.
1937 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1938 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1941 2009-04-02 Richard Guenther <rguenther@suse.de>
1943 PR tree-optimization/37221
1944 * tree-flow.h (degenerate_phi_result): Declare.
1945 * tree-ssa-dom.c (degenerate_phi_result): Export.
1946 * tree-scalar-evolution.c (analyze_initial_condition): If
1947 the initial condition is defined by a degenerate PHI node
1948 use the degenerate value.
1950 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1952 PR rtl-optimization/39588
1953 * combine.c (merge_outer_ops): Do not set the constant when this
1955 (simplify_shift_const_1): Do not modify it either in this case.
1957 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1959 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1960 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1962 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1965 * c-lex.c (interpret_float): Default (no suffix) is double.
1967 2009-04-1 Xinliang David Li <davidxl@google.com>
1969 * config/i386/i386.c (legitimate_constant_p): Recognize
1970 all one vector constant.
1972 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1974 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1975 Change #include order to silence two warnings.
1977 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1979 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1980 (ASM_SPEC): Pass -k to the assembler for PIC code.
1982 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1984 * gcc/config.gcc: Add vax-*-linux* to the switch.
1985 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1986 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1988 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1990 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1991 Use predicate macros instead of GET_CODE() == foo.
1992 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1993 ashlsi3, rotrsi3, <unnamed>): Likewise.
1995 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1997 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1998 jbbccihi, jbbccisi): Remova trailing whitespace.
1999 * gcc/config/vax/constraints.md: Likewise.
2000 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2001 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2002 * gcc/config/vax/predicates.md: Likewise.
2003 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2004 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2005 * gcc/config/vax/vax.h: Likewise.
2006 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2008 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2010 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2011 (indirectable_address_p, adjacent_operands_p): Add spaces around
2013 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2015 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2017 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2018 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2019 index_term_p, reg_plus_index_p, legitimate_address_p,
2020 vax_mode_dependent_address_p): Update comments to match functions
2021 modified by the recent int->bool conversion.
2023 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2025 * gcc/config/vax/builtins.md: Update copyright message.
2026 * gcc/config/vax/constraints.md: Likewise.
2027 * gcc/config/vax/netbsd-elf.h: Likewise.
2028 * gcc/config/vax/predicates.md: Likewise.
2029 * gcc/config/vax/vax-protos.h: Likewise.
2030 * gcc/config/vax/vax.c: Likewise.
2031 * gcc/config/vax/vax.h: Likewise.
2032 * gcc/config/vax/vax.md: Likewise.
2033 * gcc/config/vax/vax.opt: Likewise.
2035 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2037 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2038 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2039 * gcc/config/vax/constraints.md (B, R): Likewise.
2040 * gcc/config/vax/predicates.md (external_memory_operand,
2041 nonimmediate_addsub_di_operand): Likewise.
2042 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2043 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2044 untyped_call): Likewise.
2046 2009-04-01 Matt Thomas <matt@3am-software.com>
2048 * config/vax/predicates.md: New file.
2049 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2050 external_const_operand, nonsymbolic_operand, external_memory_operand,
2051 indirect_memory_operand, indexed_memory_operand,
2052 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2053 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2055 * config/vax/constraints.md: New file.
2056 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2058 * config/vax/builtins.md: New file.
2059 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2060 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2062 * config/vax/vax.opt (mqmath): Add option.
2063 * config/vax/vax.md (isfx): Extend with DI.
2064 (VAXintQH, VAXintQHSD): Define.
2065 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2066 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2067 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2068 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2069 (movdi): Update constraints and use vax_output_int_move().
2070 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2071 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2072 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2073 nonlocal_goto): New.
2074 (mov<mode>): Extend accepted operand types.
2075 (subdi3_old): Rename from subdi3, change update constraints and use
2076 a new implementation.
2077 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2078 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2079 MOVE_RATIO, CLEAR_RATIO): Define.
2080 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2081 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2082 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2083 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2084 (split_quadword_operands): Make static and really allow variable
2086 (print_operand_address): Update for PIC generation.
2087 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2088 indexable_address_p, fixup_mathdi_operand,
2089 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2090 (vax_float_literal, legitimate_constant_p,
2091 indirectable_constant_address_p, index_term_p,
2092 reg_plus_index_p): Return bool instead of int.
2093 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2095 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2097 (vax_output_conditional_branch): Indent.
2098 (legitimate_constant_address_p, indirectable_constant_address_p,
2099 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2100 vax_mode_dependent_address_p): Return bool instead of int, update for
2102 * config/vax/vax-protos.h (legitimate_constant_address_p,
2103 legitimate_constant_p, legitimate_address_p,
2104 vax_mode_dependent_address_p): Change declaration to bool.
2105 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2106 vax_expand_addsub_di_operands, vax_output_int_subtract,
2107 vax_output_movmemsi): Declare.
2108 (split_quadword_operands, vax_float_literal): Delete declaration.
2109 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2110 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2111 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2112 ASM_OUTPUT_DWARF_PCREL): Define.
2113 (ASM_SPEC): Change definition to allow PIC generation.
2115 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2117 * doc/sourcebuild.texi: Update front-end requirements.
2119 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2122 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2123 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2124 (booldi3_internal3): Use boolean_or_operator instead of
2127 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2130 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2131 declarator whose size is not an integer constant expression but
2132 folds to an integer constant, then treat it as a constant
2135 2009-04-01 Richard Guenther <rguenther@suse.de>
2137 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2138 i * 4 + 2 to (i * 2 + 1) * 2.
2140 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2143 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2144 return if c_parser_asm_string_literal returned NULL.
2146 2009-04-01 Nick Clifton <nickc@redhat.com>
2148 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2150 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2151 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2152 other typedefs to avoid conflicts with libgcc2.c. Define labels
2153 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2155 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2156 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2159 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2161 * varasm.c (default_function_rodata_section): Declare DOT as
2164 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2165 Andrey Galkin <agalkin@hypercom.com>
2168 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2169 Make object_name unique for each process.
2171 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2174 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2175 addressable variables in the parallel that could go out of scope while
2176 running queued tasks.
2178 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2180 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2181 (CASE_VALUES_THRESHOLD): Redefine.
2182 * config/avr/avr.c (avr_override_options): Remove initialization of
2183 avr_case_values_threshold variable.
2184 (avr_case_values_threshold): Remove variable. Add new function.
2185 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2186 * config/avr/avr.opt (mno-tablejump): Remove option.
2187 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2189 2009-04-01 DJ Delorie <dj@redhat.com>
2191 * varasm.c (default_function_rodata_section): Don't assume
2192 anything about where the first '.' in the section name is.
2194 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2196 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2197 rs6000_emit_stack_tie.
2199 2009-03-31 Ian Lance Taylor <iant@google.com>
2201 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2202 gimple_code with GIMPLE_RESX, not RESX.
2204 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2206 * c-common.c (c_get_ident): New.
2207 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2209 2009-04-01 Ben Elliston <bje@au.ibm.com>
2211 * config/rs6000/sysv4.opt (msdata): Improve option description.
2213 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2215 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2216 (divdf3_internal_lat): Remove.
2217 (divxf3_internal_lat): Remove.
2218 (divxf3_internal_thr): Remove.
2219 (divxf): Use divxf3_internal.
2220 * config/ia64/div.md (divsf3_internal_lat): New.
2221 (divdf3_internal_lat): New.
2222 (divxf3_internal): New.
2224 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2227 * Makefile.in (USE_GCC_STDINT): Define.
2228 (stmp-int-hdrs): Install stdint.h if applicable.
2229 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2231 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2232 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2233 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2234 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2235 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2236 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2237 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2238 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2239 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2240 (c_common_nodes_and_builtins): Initialize
2241 underlying_wchar_type_node. Do not initialize
2242 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2243 nodes for new types.
2244 (c_stddef_cpp_builtins): Define macros for new types.
2245 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2247 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2248 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2249 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2250 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2251 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2252 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2253 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2254 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2255 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2256 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2257 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2258 int16_type_node, int32_type_node, int64_type_node,
2259 uint8_type_node, uint16_type_node, c_uint32_type_node,
2260 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2261 int_least32_type_node, int_least64_type_node,
2262 uint_least8_type_node, uint_least16_type_node,
2263 uint_least32_type_node, uint_least64_type_node,
2264 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2265 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2266 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2267 uintptr_type_node): Define.
2268 * c-cppbuiltin.c (builtin_define_constants,
2269 builtin_define_type_minmax): New.
2270 (builtin_define_stdint_macros): Define more macros.
2271 (c_cpp_builtins): Define more limit macros.
2273 (builtin_define_type_max): Define in terms of
2274 builtin_define_type_minmax. Remove is_long parameter. All
2276 * config.gcc (use_gcc_stdint): Define.
2277 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2278 Add newlib-stdint.h for generic targets.
2279 * config/glibc-stdint.h, config/newlib-stdint.h,
2280 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2281 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2282 * config/score/score.h (UINTPTR_TYPE): Define.
2283 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2284 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2285 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2286 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2287 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2288 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2289 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2290 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2291 * config/spu/spu.h (STDINT_LONG32): Define.
2292 * configure.ac (use_gcc_stdint): Substitute.
2293 * configure: Regenerate.
2294 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2295 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2296 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2297 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2298 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2299 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2300 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2301 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2302 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2303 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2304 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2305 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2306 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2307 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2308 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2309 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2310 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2311 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2312 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2313 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2314 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2315 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2316 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2317 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2318 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2319 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2320 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2321 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2322 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2324 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2326 * loop-iv.c (suitable_set_for_replacement): Renamed from
2327 simplify_using_assignment; changed to return bool and to accept new
2328 args DEST and SRC. Return true iff we find a source/destination pair
2329 that can be used to make a replacement, and fill SRC and DEST if so.
2330 Remove arg ALTERED. Don't deal with altered regs here. All callers
2332 (simplify_using_initial_values): Deal with altered regs here and track
2333 more precisely the effect they have on the validity of our expression.
2335 * loop-iv.c (simplify_using_condition): A condition of the form
2336 (EQ REG CONST) can be used to simply make a substitution.
2337 (simplify_using_initial_values): Keep track of conditions we have seen
2338 and keep using them to simplify new expressions, while applying the
2339 same substitutions to them as to the expression.
2341 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2342 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2345 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2346 changed. Use this when trying to improve the upper bound.
2347 Generate the comparison by using simplify_gen_relational.
2349 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2351 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2353 (simplify_using_assignment, simplify_using_initial_values): Call
2354 replace_in_expr to make replacements. Call replace_single_def_regs
2355 once on the initial version of the expression.
2357 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2360 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2362 2009-03-31 Richard Guenther <rguenther@suse.de>
2365 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2366 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2368 2009-03-31 Richard Guenther <rguenther@suse.de>
2370 * tree.h (div_if_zero_remainder): Declare.
2371 * fold-const.c (div_if_zero_remainder): Export.
2372 * tree-ssa-forwprop.c
2373 (forward_propagate_addr_into_variable_array_index): Handle
2374 constant array index addition outside of the variable index.
2376 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2379 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2380 define_splits, floatunssi<mode>2): Require x87 conversions from
2381 DImode to be permitted.
2383 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2385 PR preprocessor/15638
2386 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2388 2009-03-31 Richard Guenther <rguenther@suse.de>
2392 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2393 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2394 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2395 a separate statement.
2396 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2397 (lookup_tmp_var): Likewise.
2398 (is_gimple_formal_tmp_or_call_rhs): Remove.
2399 (is_gimple_reg_or_call_rhs): Rename to ...
2400 (is_gimple_reg_rhs_or_call): ... this.
2401 (is_gimple_mem_or_call_rhs): Rename to ...
2402 (is_gimple_mem_rhs_or_call): ... this.
2403 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2404 DECL_GIMPLE_REG_P only if is_formal is true.
2405 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2406 for non-proper post-modify expression gimplification.
2407 (gimplify_self_mod_expr): For post-modify expressions gimplify
2408 the lvalue to a minimal lvalue.
2409 (rhs_predicate_for): Remove formal temp case.
2410 (gimplify_modify_expr_rhs): Likewise.
2411 (gimplify_addr_expr): Use is_gimple_reg.
2412 (gimplify_expr): Remove formal temp cases.
2413 (gimple_regimplify_operands): Likewise.
2414 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2415 and FILTER_EXPR like constants.
2416 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2418 (is_gimple_formal_tmp_rhs): Remove.
2419 (is_gimple_reg_rhs): Remove special casing.
2420 (is_gimple_mem_rhs): Fix.
2421 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2422 (is_gimple_formal_tmp_var): Remove.
2423 (is_gimple_formal_tmp_reg): Likewise.
2424 (is_gimple_min_lval): Allow invariant component ref parts.
2425 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2426 is_gimple_formal_tmp_reg): Remove declarations.
2427 * tree-cfg.c (verify_expr): Verify that variables with address
2428 taken do not have DECL_GIMPLE_REG_P set.
2429 * tree-mudflap.c (mf_build_check_statement_for): Use
2430 force_gimple_operand instead of gimplify_expr.
2432 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2434 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2435 schedulable rows to compute_split_row.
2437 2009-03-31 Ben Elliston <bje@au.ibm.com>
2440 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2443 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2445 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2446 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2447 * configure: Regenerate.
2448 * config.in: Regenerate.
2449 * config/rs6000/rs6000.opt (mtls-markers): Add.
2450 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2451 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2452 (tls_ld_aix, tls_ld_sysv): Likewise.
2453 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2454 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2456 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2458 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2460 2009-03-30 Jan Hubicka <jh@suse.cz>
2462 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2464 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2465 detection and label handling.
2467 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2469 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2470 left_conflicts_size.
2471 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2472 ALLOCNO_LEFT_CONFLICTS_SIZE.
2474 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2475 remove_allocno_from_bucket_and_push,
2476 allocno_spill_priority_compare, push_allocnos_to_stack,
2477 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2478 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2479 (setup_allocno_left_conflicts_num): Ditto. Rename to
2480 setup_allocno_left_conflicts_size.
2481 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2482 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2483 setup_allocno_left_conflicts_size instead of
2484 setup_allocno_left_conflicts_num.
2486 * ira-build.c (ira_create_allocno): Use
2487 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2488 ALLOCNO_LEFT_CONFLICTS_NUM.
2490 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2492 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2493 instead of DF_LR_OUT.
2495 * ira-lives.c (process_bb_node_lives): Ditto.
2497 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2498 instead of DF_LR_{OUT,IN}.
2500 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2502 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2504 2009-03-30 Jan Hubicka <jh@suse.cz>
2506 * except.c (label_to_region_map): Fix thinko.
2508 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2511 * tree.h (tree_find_value): New declaration.
2512 * tree.c (tree_find_value): New function.
2513 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2515 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2518 * c-decl.c (struct c_binding): Add locus field.
2519 (bind): Add locus argument, set locus field from it.
2520 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2521 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2522 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2523 implicitly_declare, undeclared_variable, lookup_label,
2524 declare_label, c_make_fname_decl, c_builtin_function,
2525 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2528 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2531 * config/i386/i386.c (classify_argument): Check total size of
2534 2009-03-30 Martin Jambor <mjambor@suse.cz>
2536 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2537 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2538 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2541 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2542 seen_variable_array_ref while also traversing a union.
2544 * tree-inline.c (optimize_inline_calls): Do not call
2545 cgraph_node_remove_callees.
2546 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2547 (pass_remove_cgraph_callee_edges): New variable.
2548 * passes.c (init_optimization_passes): Add
2549 pass_remove_cgraph_callee_edges after early inlining and before all
2550 late intraprocedural passes.
2552 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2554 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2556 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2559 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2561 * combine.c (simplify_comparison): Use have_insn_for.
2562 * dojump.c (do_jump): Likewise.
2564 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2566 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2567 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2568 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2569 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2570 instead of sparc_compare_emitted.
2571 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2572 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2573 instead of sparc_compare_emitted.
2575 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2577 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2578 enter/exit cfglayout mode.
2579 (pass_partition_block): Require it.
2580 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2581 (combine_instructions): Track basic blocks instead of labels.
2582 (update_cfg_for_uncondjump): New.
2583 (try_combine): Use it. Update jumps after rescanning.
2584 (pass_combine): Require PROP_cfglayout.
2585 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2587 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2589 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2590 Provide/destroy PROP_cfglayout respectively.
2591 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2592 * tree-pass.h (PROP_cfglayout): New.
2594 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2596 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2597 fold_convert_const_fixed_from_fixed,
2598 fold_convert_const_fixed_from_int,
2599 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2600 set TREE_CONSTANT_OVERFLOW.
2601 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2602 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2604 2009-03-30 Ira Rosen <irar@il.ibm.com>
2606 * tree-vect-loop-manip.c: New file.
2607 * tree-vectorizer.c: Update documentation and included files.
2608 (vect_loop_location): Make extern.
2609 (rename_use_op): Move to tree-vect-loop-manip.c
2610 (rename_variables_in_bb, rename_variables_in_loop,
2611 slpeel_update_phis_for_duplicate_loop,
2612 slpeel_update_phi_nodes_for_guard1,
2613 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2614 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2615 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2616 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2617 find_loop_location): Likewise.
2618 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2619 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2620 get_vectype_for_scalar_type, vect_is_simple_use,
2621 supportable_widening_operation, supportable_narrowing_operation):
2623 (bb_in_loop_p): Move to tree-vect-loop.c.
2624 (new_loop_vec_info, destroy_loop_vec_info,
2625 reduction_code_for_scalar_code, report_vect_op,
2626 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2627 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2628 (vect_supportable_dr_alignment): Likewise.
2629 * tree-vectorizer.h (tree-data-ref.h): Include.
2630 (vect_loop_location): Declare.
2631 Reorganize function declarations according to the new file structure.
2632 * tree-vect-loop.c: New file.
2633 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2634 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2635 * tree-vect-data-refs.c: New file.
2636 * tree-vect-patterns.c (timevar.h): Don't include.
2637 * tree-vect-stmts.c: New file.
2638 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2639 tree-vect-slp.c, tree-vect-loop.c.
2640 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2641 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2642 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2643 (tree-vect-analyze.o): Remove.
2644 (tree-vect-transform.o): Likewise.
2645 (tree-vect-data-refs.o): Add rule.
2646 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2647 tree-vect-slp.o): Likewise.
2648 (tree-vect-patterns.o): Remove redundant dependencies.
2649 (tree-vectorizer.o): Likewise.
2650 * tree-vect-slp.c: New file.
2652 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2654 * optc-gen.awk: Warn if an option flag has multiple different
2657 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2659 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2660 -floop-block): Document dependences on PPL, CLooG and Graphite.
2662 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2664 PR rtl-optimization/323
2665 * c-common.c (c_fully_fold, convert_and_check,
2666 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2667 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2668 * c-common.def (EXCESS_PRECISION_EXPR): New.
2669 * c-cppbuiltin.c (builtin_define_float_constants): Define
2670 constants with enough digits for long double.
2671 * c-lex.c (interpret_float): Interpret constant with excess
2672 precision where appropriate.
2673 * c-opts.c (c_common_post_options): Set
2674 flag_excess_precision_cmdline. Give an error for
2675 -fexcess-precision=standard for C++ for processors where the
2676 option is significant.
2677 * c-parser.c (c_parser_conditional_expression): Handle excess
2678 precision in condition.
2679 * c-typeck.c (convert_arguments): Handle arguments with excess
2681 (build_unary_op): Move excess precision outside operation.
2682 (build_conditional_expr): Likewise.
2683 (build_compound_expr): Likewise.
2684 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2685 (build_modify_expr): Handle excess precision in RHS.
2686 (convert_for_assignment): Handle excess precision in converted
2688 (digest_init, output_init_element, process_init_element): Handle
2689 excess precision in initializer.
2690 (c_finish_return): Handle excess precision in return value.
2691 (build_binary_op): Handle excess precision in operands and add
2692 excess precision as needed for operation.
2693 * common.opt (-fexcess-precision=): New option.
2694 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2695 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2696 For standard excess precision, output explicit conversion to and
2697 truncation from XFmode.
2698 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2699 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2700 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2701 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2702 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2703 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2704 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2705 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2706 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2707 define_splits, sqrt<mode>2): Disable where appropriate for
2708 standard excess precision.
2709 * convert.c (convert_to_real): Do not shorten arithmetic to type
2710 for which excess precision would be used.
2711 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2712 * doc/invoke.texi (-fexcess-precision=): Document option.
2713 (-mfpmath=): Correct index entry.
2714 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2715 flag_excess_precision): New.
2716 * langhooks.c (lhd_post_options): Set
2717 flag_excess_precision_cmdline.
2718 * opts.c (common_handle_option): Handle -fexcess-precision=.
2719 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2720 init_excess_precision): New.
2721 (lang_dependent_init_target): Call init_excess_precision.
2722 * tree.c (excess_precision_type): New.
2723 * tree.h (excess_precision_type): Declare.
2725 2009-03-30 Joseph Myers <joseph@codesourcery.com>
2728 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2729 non-lvalue to component.
2731 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2733 PR preprocessor/34695
2734 * Makefile.in (c-opts.o): Depend on c-tree.h.
2735 * c-common.c: Move down include of diagnostic.h.
2736 (done_lexing, c_cpp_error): New.
2737 * c-common.h (done_lexing): Declare.
2738 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2740 * c-opts.c: Include c-tree.h.
2741 (c_common_init_options): Set preprocessor error callback.
2742 (c_common_handle_option): Do not set preprocessor
2743 inhibit_warnings, warnings_are_errors, warn_system_headers,
2744 pedantic_errors or inhibit_warnings flags.
2745 (c_common_post_options): Do not check cpp_errors (parse_in).
2746 (c_common_finish): Do not output dependencies if there were
2747 errors. Do not check return value of cpp_finish.
2748 * c-ppoutput.c (pp_file_change): Set input_location.
2749 * c-tree.h (c_cpp_error): Declare.
2750 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2752 (diagnostic_build_prefix): Check override_column.
2753 * diagnostic.h (diagnostic_info): Add override_column field.
2754 (diagnostic_override_column): Define.
2756 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
2758 * c-common.c (c_expand_expr, c_staticp): Remove.
2759 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2760 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2761 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2762 * c-gimplify.c (gimplify_compound_literal_expr,
2763 optimize_compound_literals_in_ctor): Remove.
2764 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2765 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2766 * c-semantics.c (emit_local_var): Remove.
2768 * langhooks-def.h (lhd_expand_expr): Remove.
2769 * langhooks.c (lhd_expand_expr): Remove.
2770 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2772 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2773 handling from c-semantics.c; don't call into langhook.
2774 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2775 * gimplify.c (gimplify_compound_literal_expr,
2776 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2777 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2778 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2779 as was done in c-gimplify.c.
2780 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2781 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2782 Move from c-common.h.
2783 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2785 * tree.c (staticp): Do not call langhook.
2786 * langhooks.c (lhd_staticp): Delete.
2787 * langhooks-def.h (lhd_staticp): Delete prototype.
2788 (LANG_HOOKS_STATICP): Delete.
2789 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2791 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2792 instead of DECL_STMTs.
2794 2009-03-29 Joseph Myers <joseph@codesourcery.com>
2802 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2804 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2805 contained expression.
2806 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2807 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2808 conditional expressions for C.
2809 (decl_constant_value_for_optimization): Move from
2810 decl_constant_value_for_broken_optimization in c-typeck.c. Check
2811 whether optimizing and that the expression is a VAR_DECL not of
2812 array type instead of doing such checks in the caller. Do not
2813 check pedantic. Call gcc_unreachable for C++.
2814 * c-common.def (C_MAYBE_CONST_EXPR): New.
2815 * c-common.h (c_fully_fold, c_save_expr,
2816 decl_constant_value_for_optimization): New prototypes.
2817 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2818 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2819 EXPR_INT_CONST_OPERANDS): Define.
2820 * c-convert.c (convert): Strip nops from expression.
2821 * c-decl.c (groktypename): Take extra parameters expr and
2822 expr_const_operands. Update call to grokdeclarator.
2823 (start_decl): Update call to grokdeclarator. Add statement for
2824 expressions used in type of decl.
2825 (grokparm): Update call to grokdeclarator.
2826 (push_parm_decl): Update call to grokdeclarator.
2827 (build_compound_literal): Add parameter non_const and build a
2828 C_MAYBE_COSNT_EXPR if applicable.
2829 (grokdeclarator): Take extra parameters expr and
2830 expr_const_operands. Track expressions used in declaration
2831 specifiers and declarators. Fold array sizes and track whether
2832 they are constant expressions and whether they are integer
2833 constant expressions.
2834 (parser_xref_tag): Set expr and expr_const_operands fields in
2836 (grokfield): Update call to grokdeclarator.
2837 (start_function): Update call to grokdeclarator.
2838 (build_null_declspecs): Set expr and expr_const_operands fields in
2840 (declspecs_add_type): Handle expressions in typeof specifiers.
2841 * c-parser.c (c_parser_declspecs): Set expr and
2842 expr_const_operands fields for declaration specifiers.
2843 (c_parser_enum_specifier): Likewise.
2844 (c_parser_struct_or_union_specifier): Likewise.
2845 (c_parser_typeof_specifier): Likewise. Update call to
2846 groktypename. Fold expression as needed. Return expressions with
2847 type instead of adding statements.
2848 (c_parser_attributes): Update calls to c_parser_expr_list.
2849 (c_parser_statement_after_labels): Fold expression before passing
2850 to objc_build_throw_stmt.
2851 (c_parser_condition): Fold expression.
2852 (c_parser_asm_operands): Fold expression.
2853 (c_parser_conditional_expression): Use c_save_expr. Update call
2854 to build_conditional_expr.
2855 (c_parser_alignof_expression): Update call to groktypename.
2856 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2857 original_code. Fold expression argument of va_arg. Create
2858 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2859 argument to va_arg. Update calls to groktypename. Fold array
2860 index for offsetof. Verify that first argument to
2861 __builtin_choose_expr has integer type.
2862 (c_parser_postfix_expression_after_paren_type): Update calls to
2863 groktypename and build_compound_literal. Handle expressions with
2864 side effects in type name.
2865 (c_parser_postfix_expression_after_primary): Update call to
2866 c_parser_expr_list. Set original_code for calls to
2867 __builtin_constant_p.
2868 (c_parser_expr_list): Take extra parameter fold_p. Fold
2869 expressions if requested.
2870 (c_parser_objc_type_name): Update call to groktypename.
2871 (c_parser_objc_synchronized_statement): Fold expression.
2872 (c_parser_objc_receiver): Fold expression.
2873 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2874 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2875 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2876 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2877 (struct c_typespec): Add elements expr and expr_const_operands.
2878 (struct c_declspecs): Add elements expr and expr_const_operands.
2879 (groktypename, build_conditional_expr, build_compound_literal):
2881 (in_late_binary_op): Declare.
2882 * c-typeck.c (note_integer_operands): New function.
2883 (in_late_binary_op): New variable.
2884 (decl_constant_value_for_broken_optimization): Move to c-common.c
2885 and rename to decl_constant_value_for_optimization.
2886 (default_function_array_conversion): Do not strip nops.
2887 (default_conversion): Do not call
2888 decl_constant_value_for_broken_optimization.
2889 (build_array_ref): Do not fold result.
2890 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2891 result when operand is a VLA.
2892 (c_expr_sizeof_type): Update call to groktypename. Handle
2893 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2894 result when operand names a VLA type.
2895 (build_function_call): Update call to build_compound_literal.
2896 Only fold result for calls to __builtin_* functions. Strip
2897 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2898 the function designator.
2899 (convert_arguments): Fold arguments. Update call to
2900 convert_for_assignment.
2901 (build_unary_op): Handle increment and decrement of
2902 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2903 decrement earlier. Fold operand of increment and decrement.
2904 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2905 built for integer operand. Wrap returns that are INTEGER_CSTs
2906 without being integer constant expressions or that have integer
2907 constant operands without being INTEGER_CSTs.
2908 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2909 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2910 result is an integer constant expression or can be used in
2911 unevaluated parts of one and avoid folding and wrap as
2912 appropriate. Fold operands before possibly doing -Wsign-compare
2914 (build_compound_expr): Wrap result for C99 if operands can be used
2915 in integer constant expressions.
2916 (build_c_cast): Update call to digest_init. Do not ignore
2917 overflow from casting floating-point constants to integers. Wrap
2918 results that could be confused with integer constant expressions,
2919 null pointer constants or floating-point constants.
2920 (c_cast_expr): Update call to groktypename. Handle expressions
2921 included in type name.
2922 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2923 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2924 Update calls to convert_for_assignment.
2925 (convert_for_assignment): Take new parameter
2926 null_pointer_constant. Do not strip nops or call
2927 decl_constant_value_for_broken_optimization. Set
2928 in_late_binary_op for conversions to boolean.
2929 (store_init_value): Update call to digest_init.
2930 (digest_init): Take new parameter null_pointer_constant. Do not
2931 call decl_constant_value_for_broken_optimization. pedwarn for
2932 initializers not constant expressions. Update calls to
2933 convert_for_assignment.
2934 (constructor_nonconst): New.
2935 (struct constructor_stack): Add nonconst element.
2936 (really_start_incremental_init, push_init_level, pop_init_level):
2937 Handle constructor_nonconst and nonconst element.
2938 (set_init_index): Call constant_expression_warning for array
2940 (output_init_element): Fold value. Set constructor_nonconst as
2941 applicable. pedwarn for initializers not constant expressions.
2942 Update call to digest_init. Call constant_expression_warning
2943 where constant initializers are required.
2944 (process_init_element): Use c_save_expr.
2945 (c_finish_goto_ptr): Fold expression.
2946 (c_finish_return): Fold return value. Update call to
2947 convert_for_assignment.
2948 (c_start_case): Fold switch expression.
2949 (c_process_expr_stmt): Fold expression.
2950 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2951 ensure statement expression is not evaluated in constant expression.
2952 (build_binary_op): Track whether results are integer constant
2953 expressions or may occur in such, disable folding and wrap results
2954 as applicable. Fold operands for -Wsign-compare warnings unless
2956 (c_objc_common_truthvalue_conversion): Handle results folded to
2957 integer constants that are not integer constant expressions.
2958 * doc/extend.texi: Document when typeof operands are evaluated,
2959 that condition of __builtin_choose_expr is an integer constant
2960 expression, and more about use of __builtin_constant_p in
2963 2009-03-29 Richard Guenther <rguenther@suse.de>
2965 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2966 propagate addresses of array references.
2968 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2970 * regmove.c (perhaps_ends_bb_p): Remove.
2971 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2972 from INSN and check that the main loop stays within that basic block.
2973 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2974 (regmove_forward_pass): Split out from regmove_optimize. Use
2975 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2976 (regmove_backward_pass): Split out from regmove_optimize. Use
2977 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2978 (regmove_optimize): Simplify.
2980 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2983 * config/i386/i386.c (classify_argument): Ignore flexible array
2984 member in struct and warn ABI change.
2986 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2988 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2990 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2991 (ix86_adjust_cost): Updated.
2993 2009-03-29 Jan Hubicka <jh@suse.cz>
2996 * tree-pass.h (pass_cleanup_eh): New function.
2997 (remove_unreachable_regions): Break code handling RTL
2998 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2999 that can not be reached by runtime.
3000 (can_be_reached_by_runtime): New function.
3001 (label_to_region_map): New function.
3002 (num_eh_regions): New function.
3003 (rtl_remove_unreachable_regions): New function.
3004 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3005 (remove_eh_region): New function.
3006 * except.h: Include sbitmap and vecprim.
3007 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3008 num_eh_regions): Declare.
3009 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3010 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3011 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3012 (tree_empty_eh_handler_p): New function.
3013 (cleanup_empty_eh): New function.
3014 (cleanup_eh): New function.
3015 (pass_cleanup_eh): New function.
3017 2009-03-29 Jan Hubicka <jh@suse.cz>
3019 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3020 for removed regions.
3022 2009-03-29 Jan Hubicka <jh@suse.cz>
3024 * except.c (dump_eh_tree): Dump all datastructures.
3026 2009-03-29 Jan Hubicka <jh@suse.cz>
3028 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3029 (duplicate_eh_regions_1): Likewise.
3030 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3031 vector; call EH verification.
3032 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3033 Be ready for region being removed.
3035 2009-03-29 Jan Hubicka <jh@suse.cz>
3037 * bitmap.c (bitmap_last_set_bit): New function.
3038 * bitmap.h (bitmap_last_set_bit): Declare.
3040 2009-03-29 David Ayers <ayers@fsfe.org>
3043 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3044 by calling objc_compare_types and surpress warnings about
3045 incompatible C pointers that are compatible ObjC pointers.
3047 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3049 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3050 call initialize_inline_failed.
3051 (initialize_inline_failed): Move it from here ...
3052 * cgraph.c (initialize_inline_failed): ... to here.
3053 (cgraph_create_edge): Call initialize_inline_failed rather than
3054 setting inline_failed directly.
3056 2009-03-29 Ben Elliston <bje@au.ibm.com>
3059 * sysv4.opt (msdata): Improve comment.
3060 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3061 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3063 2009-03-29 Ben Elliston <bje@au.ibm.com>
3066 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3067 load and store attributes.
3069 2009-03-29 Ben Elliston <bje@au.ibm.com>
3071 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3072 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3073 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3074 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3075 __builtin_infq and __builtin_huge_valq.
3077 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3079 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3081 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3082 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3084 2009-03-28 Xinliang David Li <davidxl@google.com>
3086 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3087 (do_dbg_cnt): New function.
3089 2009-03-28 Jan Hubicka <jh@suse.cz>
3091 Merge from pretty-ipa:
3093 2009-03-27 Jan Hubicka <jh@suse.cz>
3095 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3096 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3097 * passes.c (function_called_by_processed_nodes_p): New.
3098 * ipa-pure-const.c (check_call): Fix handling of operands.
3099 (analyze_function): Dump debug output for skipped bodies.
3100 (local_pure_const): Use function_called_by_processed_nodes_p.
3101 * dwarf2out.c (reference_to_unused): Use output.
3102 * passes.c (do_per_function_toporder): Likewise.
3104 2008-11-12 Jan Hubicka <jh@suse.cz>
3106 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3107 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3108 state_set_in_source enum
3109 (check_decl): Ignore memory tags; do not set fake looping flags;
3111 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3112 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3113 (check_call, analyze_function): Rewrite.
3115 (add_new_function): Update call of analyze_function.
3116 (generate_summary): Add call of analyze_function.
3117 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3118 (local_pure_const): New function.
3119 (pass_local_pure_const): New pass.
3120 * ipa-inline.c (inline_transform): Set after_inlining.
3121 * tree-eh.c (stmt_can_throw_external): New.
3122 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3123 work with aliasing built.
3124 * tree-flow.h (stmt_can_throw_external): New.
3125 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3126 and local pure/const pass in early and late optimization queue.
3128 2009-03-28 Martin Jambor <mjambor@suse.cz>
3130 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3132 (fold_binary): Allow function decl aligment consideration is the
3133 second argument is integer constant one.
3134 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3135 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3136 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3138 2009-03-28 Jan Hubicka <jh@suse.cz>
3140 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3141 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3142 * function.h (rtl_data): Add nothrow flag.
3143 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3144 set DECL_NOTHROW for AVAILABLE functions.
3146 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3148 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3149 following vector keyword has expansion starting with pixel or bool
3150 keyword, expand vector to __vector and pixel or bool to __pixel or
3154 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3155 warn_if_disallowed_function_p): Removed.
3156 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3157 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3158 warning_if_disallowed_function_p.
3159 * flags.h (warn_if_disallowed_function_p,
3160 warn_disallowed_functions): Removed.
3161 * common.opt (Wdisallowed-function-list=): Removed.
3162 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3164 2009-03-28 Richard Guenther <rguenther@suse.de>
3166 PR tree-optimization/38723
3167 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3170 2009-03-28 Jan Hubicka <jh@suse.cz>
3172 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3173 test introduced by my previous patch.
3175 2009-03-28 Richard Guenther <rguenther@suse.de>
3177 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3178 the PHIs value undefined.
3180 2009-03-28 Jan Hubicka <jh@suse.cz>
3182 * tree-pass.h (pass_fixup_cfg): New pass.
3183 * ipa-inline.c (inline_transform): Set
3184 always_inline_functions_inlined/after_inlining.
3185 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3186 (pass_fixup_cfg): New pass.
3187 * passes.c (init_optimization_passes): Add fixup_cfg.
3189 2009-03-28 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/38458
3192 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3193 argument use the arguments copy-of value.
3195 2009-03-28 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/38180
3198 * tree-ssa-ccp.c (get_default_value): Simplify.
3199 (likely_value): Likewise.
3200 (surely_varying_stmt_p): Properly handle VOP case.
3201 (ccp_initialize): Likewise.
3202 (ccp_fold): Handle propagating through *&.
3203 (fold_const_aggregate_ref): Also handle decls.
3205 2009-03-28 Jan Hubicka <jh@suse.cz>
3207 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3208 * cgraph.h (cgraph_node): Likewise.
3209 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3210 (cgraph_reset_node): Use process flag.
3211 (cgraph_mark_functions_to_output): Likewise.
3212 (cgraph_expand_function): Likewise.
3213 (cgraph_expand_all_functions): Likewise.
3214 (cgraph_output_in_order): Likewise.
3215 * dwarf2out.c (reference_to_unused): Likewise.
3216 * passes.c do_per_function_toporder): Likewise.
3218 2009-03-28 Jan Hubicka <jh@suse.cz>
3220 Bring from lto-branch:
3222 2008-09-03 Doug Kwan <dougkwan@google.com>
3224 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3225 enums instead of reason strings.
3226 * cgraph.c (cgraph_create_edge): Same.
3227 (cgraph_inline_failed_string): New function.
3228 * cgraph.h (cgraph_inline_failed_t): New enum type.
3229 (cgraph_inline_failed_string): New prototype.
3230 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3231 char pointer to cgraph_inline_failed_t.
3232 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3233 (cgraph_default_inline_p): Ditto.
3234 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3235 to cgraph_inline_failed_t pointer.
3236 * cif-code.def: New file.
3237 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3239 (cgraph_check_inline_limits): Change type of REASON to pointer to
3240 cgraph_inline_failed_t. Replace reason strings with enums.
3241 (cgraph_default_inline_p): Ditto.
3242 (cgraph_recursive_inlining_p): Ditto.
3243 (update_caller_keys): Change type of FAILED_REASON to
3244 cgraph_inline_failed_t.
3245 (cgraph_set_inline_failed): Change type of REASON to pointer to
3246 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3247 convert enums to strings for text output.
3248 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3249 to be of type cgraph_inline_failed_t. Replace reason strings with
3250 enums. Call cgraph_inline_failed_string to covert enums
3251 to strings for text output.
3252 (cgraph_decide_inlining): Replace reason strings with enums.
3253 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3254 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3256 * tree-inline.c (expand_call_inline): Change type of REASON
3257 to cgraph_inline_failed_t. Replace reason strings with enums.
3258 Call cgraph_inline_failed_string for text output.
3259 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3262 2009-03-28 Jan Hubicka <jh@suse.cz>
3264 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3265 cgraph_clone_node): Remove master clone handling.
3266 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3267 * cgraph.h (master_clone): Remove.
3268 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3269 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3270 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3272 2009-03-28 Jan Hubicka <jh@suse.cz>
3274 * cgraph.c (cgraph_function_body_availability): Functions declared
3275 inline are always safe to assume that it is not going to be replaced.
3277 2009-03-28 Richard Guenther <rguenther@suse.de>
3279 PR tree-optimization/38513
3280 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3281 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3282 EXC_PTR_EXPR and FILTER_EXPR.
3283 (get_ref_from_reference_ops): Likewise.
3285 2009-03-28 Richard Guenther <rguenther@suse.de>
3287 PR tree-optimization/38968
3288 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3289 Use FLOOR_MOD_EXPR to compute misalignment.
3291 2009-03-28 Richard Guenther <rguenther@suse.de>
3293 PR tree-optimization/37795
3294 * tree.h (combine_comparisons): Declare.
3295 * fold-const.c (combine_comparisons): Export.
3296 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3298 (ifcombine_iforif): Use combine_comparisons.
3300 2009-03-28 Jan Hubicka <jh@suse.cz>
3302 * tree-eh.c (inlinable_call_p): New function.
3303 (make_eh_edges): Use it.
3304 (verify_eh_edges): Use it.
3305 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3306 * except.c (reachable_next_level): Add inlinable_function argument
3307 (sjlj_find_directly_reachable_regions): Update.
3308 (add_reachable_handler): Do not set saw_any_handlers.
3309 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3310 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3311 Add new inlinable call parameter.
3312 (can_throw_internal, can_throw_external): Update.
3313 * except.h (can_throw_internal_1, can_throw_external_1,
3314 foreach_reachable_handler): Update declaration.
3316 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3318 * config/arm/t-arm-coff, config/h8300/coff.h,
3319 config/i386/i386-aout.h, config/i386/i386-coff.h,
3320 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3321 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3322 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3323 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3324 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3325 sys-types.h: Remove.
3326 * Makefile.in: Remove protoize and fixproto support and references
3328 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3329 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3331 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3332 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3333 unprotoize$(exeext).
3334 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3335 (.PHONY): Don't depend on proto.
3336 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3337 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3338 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3339 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3340 build/gen-protos.o, build/scan.o, xsys-protos.h,
3341 build/fix-header$(build_exeext), build/fix-header.o,
3342 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3343 stmp-install-fixproto): Remove.
3344 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3345 SYSCALLS.c or fixproto files.
3346 (install-common): Don't install protoize.
3347 (install-headers-tar, install-headers-cpio, install-headers-cp):
3348 Don't depend on $(STMP_FIXPROTO).
3349 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3350 install fixproto files or write out fixproto settings.
3351 (uninstall): Don't uninstall protoize.
3352 * config.gcc (use_fixproto): Remove.
3353 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3354 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3355 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3356 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3357 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3358 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3359 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3360 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3361 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3362 * config/t-vxworks (STMP_FIXPROTO): Remove.
3363 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3364 STMP_FIXPROTO): Remove.
3365 * config.in, configure: Regenerate.
3366 * crtstuff.c (gid_t, uid_t): Don't undefine.
3367 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3368 (arm-*-coff, arm-*-aout: Remove target entries.
3369 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3370 Remove mention of AIX 4.1.
3371 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3372 * doc/invoke.texi (Running Protoize): Remove.
3373 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3374 (Protoize Caveats): Remove.
3375 * tsystem.h: Update comments on headers assumed to exist.
3377 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3379 * genautomata.c: Add a new year to the copyright. Add a new
3381 (struct insn_reserv_decl): Add comments for member bypass_list.
3382 (find_bypass): Remove.
3383 (insert_bypass): New.
3384 (process_decls): Use insert_bypass.
3385 (output_internal_insn_latency_func): Output all bypasses with the
3386 same input insn in one switch case.
3388 * rtl.def (define_bypass): Describe bypass choice.
3389 * doc/md.texi (define_bypass): Ditto.
3391 2009-03-27 Richard Guenther <rguenther@suse.de>
3393 * gimplify.c (mark_addressable): Export.
3394 * tree-flow.h (mark_addressable): Declare.
3395 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3396 * tree-ssa.c (verify_phi_args): Verify that address taken
3397 variables have TREE_ADDRESSABLE set.
3399 2009-03-27 Richard Guenther <rguenther@suse.de>
3401 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3402 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3403 Do not mark decls TREE_ADDRESSABLE.
3404 (build_fold_addr_expr): Adjust.
3405 (fold_addr_expr): Remove.
3406 (fold_unary): Use build_fold_addr_expr.
3407 (fold_comparison): Likewise.
3408 (split_address_to_core_and_offset): Likewise.
3409 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3411 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3412 (gimplify_modify_expr_to_memcpy): Mark source and destination
3414 * omp-low.c (create_omp_child_function): Mark the object decl
3416 (lower_rec_input_clauses): Mark the var we take the address of
3418 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3420 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3423 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3424 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3426 2009-03-27 Richard Guenther <rguenther@suse.de>
3428 PR tree-optimization/39120
3429 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3431 (handle_lhs_call): Process return constraints. Add escape
3432 constraints if necessary.
3433 (handle_const_call): Fill out return constraints. Make nested
3434 case more precise. Avoid consttmp if possible.
3435 (handle_pure_call): Fill out return constraints. Avoid
3436 callused if possible.
3437 (find_func_aliases): Simplify call handling.
3439 2009-03-27 Richard Guenther <rguenther@suse.de>
3441 PR tree-optimization/39120
3442 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3443 as a representative.
3444 (solve_graph): Do propagate CALLUSED.
3445 (handle_pure_call): Use a scalar constraint from CALLUSED for
3447 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3450 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3453 * c-common.c (handle_aligned_attribute): Properly check alignment
3454 overflow. Use (1U << i) instead of (1 << i).
3456 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3458 * expr.h (get_mem_align_offset): Updated.
3460 * tree.h (tree_decl_common): Change align to "unsigned int" and
3461 move it before pointer_alias_set.
3463 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3464 Jakub Jelinek <jakub@redhat.com>
3467 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3468 gr_register_operand with gr_reg_or_0_operand.
3469 (cmpxchg_rel_di): Likewise.
3470 (sync_lock_test_and_set<mode>): Likewise.
3472 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3474 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3475 (true_regnum): Likewise.
3477 * rtlanal.c (subreg_info): Moved to ...
3478 * rtl.h (subreg_info): Here. New.
3479 (subreg_get_info): New.
3481 * rtlanal.c (subreg_get_info): Make it extern.
3483 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3486 * config/i386/i386.c (ix86_abi): New.
3487 (override_options): Handle -mabi=.
3488 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3489 (ix86_call_abi_override): Likewise.
3490 (init_cumulative_args): Likewise.
3491 (function_arg_advance): Likewise.
3492 (function_arg_64): Likewise.
3493 (function_arg): Likewise.
3494 (ix86_pass_by_reference): Likewise.
3495 (ix86_function_value_regno_p): Likewise.
3496 (ix86_build_builtin_va_list_abi): Likewise.
3497 (setup_incoming_varargs_64): Likewise.
3498 (is_va_list_char_pointer): Likewise.
3499 (ix86_init_machine_status): Likewise.
3500 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3501 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3502 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3503 (ix86_function_abi): Make it static and return enum calling_abi.
3504 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3506 (ix86_fn_abi_va_list): Updated.
3508 * config/i386/i386.h (ix86_abi): New.
3509 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3510 (CONDITIONAL_REGISTER_USAGE): Likewise.
3511 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3512 (machine_function): Likewise.
3514 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3516 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3517 (STACK_BOUNDARY): Likewise.
3518 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3520 * config/i386/i386.opt (mabi=): New.
3522 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3523 return enum calling_abi.
3524 (ix86_function_type_abi): Likewise.
3525 (ix86_function_abi): Removed.
3527 * doc/invoke.texi: Document -mabi= option for x86.
3529 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3531 * builtins.c (real_dconstp): Delete.
3532 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3534 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3535 Jakub Jelinek <jakub@redhat.com>
3538 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3539 (gen_subprogram_die): When a function is explicit, generate the
3540 DW_AT_explicit attribute.
3541 * langhooks.h (struct lang_hooks_for_decls): Add
3542 function_decl_explicit_p langhook.
3543 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3544 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3546 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3548 * builtins.c (fold_builtin_memory_op): Optimize memmove
3549 into memcpy if we can prove source and destination don't overlap.
3551 * tree-inline.c: Include gt-tree-inline.h.
3552 (clone_fn_id_num): New variable.
3553 (clone_function_name): New function.
3554 (tree_function_versioning): Use it.
3555 * Makefile.in (GTFILES): Add tree-inline.c.
3557 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3559 * BASE-VER: Change to 4.5.0.
3561 2009-03-27 Xinliang David Li <davidxl@google.com>
3563 PR tree-optimization/39557
3564 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3566 2009-03-27 Xinliang David Li <davidxl@google.com>
3568 PR tree-optimization/39548
3569 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3572 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3574 * c-common.c (pointer_int_sum): Use %wd on return from
3577 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3579 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3580 on return from tree_low_cst.
3582 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3585 * ginclude/stdarg.h (va_copy): Define also for
3586 __GXX_EXPERIMENTAL_CXX0X__.
3588 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3591 * builtins.h (c_strlen): Do not warn here.
3592 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3593 * c-common.c (pointer_int_sum): Take an explicit location.
3594 Warn about offsets out of bounds.
3595 * c-common.h (pointer_int_sum): Adjust declaration.
3597 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3599 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3602 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3605 * opts.c (warn_if_disallowed_function_p): Don't assume
3606 get_callee_fndecl must return non-NULL.
3608 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3610 PR rtl-optimization/39522
3611 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3612 when reg_reloaded_valid is set.
3614 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3616 * config/spu/divv2df3.c: New file.
3617 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3618 (DPBIT_FUNCS): Filter out _div_df.
3620 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3622 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3623 a jump insn, count that jump in the distance to the loop start.
3625 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3628 * config/sh/sh.c (calc_live_regs): Fix condition for global
3629 registers except PIC_OFFSET_TABLE_REGNUM.
3631 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
3634 * doc/invoke.texi (-mconsole): New.
3638 (-mnop-fun-dllimport): New.
3642 (sub section "i386 and x86-64 Windows Options"): New.
3644 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3646 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3647 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3649 2009-03-25 Richard Guenther <rguenther@suse.de>
3652 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3655 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
3657 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3658 neither of haifa/selective schedulers are working.
3660 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3662 * doc/invoke.texi (Debugging Options): Fix description of
3663 -fno-merge-debug-strings.
3665 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
3667 * config/cris/libgcc.ver: New version-script.
3668 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3670 * configure.ac <GAS features, nop mnemonic>: Add pattern
3671 crisv32-*-* for "nop".
3672 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3673 * configure: Regenerate.
3675 2009-03-24 Ira Rosen <irar@il.ibm.com>
3677 PR tree-optimization/39529
3678 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3679 mark_sym_for_renaming for the tag copied to the new vector
3682 2009-03-24 Arthur Loiret <aloiret@debian.org>
3684 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3685 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3686 EXTRA_SPEC_FUNCTIONS.
3687 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3688 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3689 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3690 -march and -mtune options.
3692 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3694 * config/m68k/t-rtems: Add m5329 multilib.
3696 2009-03-24 Dodji Seketeli <dodji@redhat.com>
3697 Jakub Jelinek <jakub@redhat.com>
3700 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3703 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3706 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3707 instead of c_parser_expression_conv, if original_code isn't one of the
3708 4 allowed comparison codes, fail.
3710 2009-03-23 Richard Guenther <rguenther@suse.de>
3712 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3713 * tree.h (struct tree_type): Likewise.
3714 * reload.h (struct insn_chain): Likewise.
3715 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3716 * function.h (struct function): Likewise.
3717 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3719 2009-03-23 Jakub Jelinek <jakub@redhat.com>
3721 PR tree-optimization/39516
3722 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3724 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
3726 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3727 should be set true if BITS_PER_WORD of target is bigger than 32
3729 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
3731 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3732 Translate -B-options to -rpath-link. Correct existing
3733 rpath-link and conditionalize on !nostdlib.
3735 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3737 * doc/extend.texi (Function Attributes, Variable Attributes):
3739 * doc/invoke.texi (Debugging Options, Optimize Options)
3740 (i386 and x86-64 Options, MCore Options): Likewise.
3742 2009-03-20 Jakub Jelinek <jakub@redhat.com>
3745 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3746 it for block local namespace aliases.
3747 (gen_decl_die): Pass context_die to gen_namespace_die.
3749 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3752 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3753 minimum or maximum value.
3755 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
3757 * reginfo.c (globalize_reg): Recompute derived reg sets.
3759 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3762 * libgcc2.c (mprotect): Do not use signed arguments for
3763 VirtualProtect, use DWORD arguments. Also fix the 'may
3764 be used uninitialized' warning for the np variable.
3766 2009-03-19 Jakub Jelinek <jakub@redhat.com>
3769 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3770 functions using regparm calling conventions when not optimizing.
3771 (ix86_function_sseregparm): Similarly for sseregparm calling
3774 2009-03-19 Li Feng <nemokingdom@gmail.com>
3777 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3778 dependence if the first conflict is after niter iterations.
3780 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
3783 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3784 functions with dynamic stack-pointer adjustments.
3786 2009-03-19 Ben Elliston <bje@au.ibm.com>
3788 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3789 option; change to -msdata=data.
3791 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3793 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3796 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3799 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3801 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3803 * doc/invoke.texi (Code Gen Options): Expand discussion of
3806 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3808 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3809 * matrix-reorg.c (struct matrix_info): Likewise.
3810 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3811 * rtl.h (struct mem_attrs): Likewise.
3812 * df.h (struct df): Likewise.
3813 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3814 * ira-int.h (struct ira_allocno): Likewise.
3815 * df-scan.c (struct df_collection_rec): Likewise.
3816 * ira.c (struct equivalence): Likewise.
3817 * function.c (struct temp_slot): Likewise.
3818 * cfgloop.h (struct loop): Likewise.
3821 * function.c (use_register_for_decl): When not optimizing, disregard
3822 register keyword for variables with types containing methods.
3824 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3827 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3828 (is_simple_operand): Call contains_component_ref_p before calling data
3829 reference analysis that would fail on COMPONENT_REFs.
3831 * tree-vrp.c (search_for_addr_array): Fix formatting.
3833 2009-03-18 Richard Guenther <rguenther@suse.de>
3835 * tree-vect-transform.c (vect_loop_versioning): Fold the
3836 generated comparisons.
3837 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3838 (slpeel_tree_peel_loop_to_edge): Likewise.
3840 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3843 * opts.c (print_specific_help): In addition to `undocumented',
3844 accept `separate' and `joined' flags if passed alone. Describe
3845 output by the first matched one of those.
3846 (common_handle_option): Skip over empty strings.
3847 * gcc.c (display_help): Fix help string for `--help='.
3848 * doc/invoke.texi (Option Summary, Overall Options): With
3849 `--help=', classes and qualifiers can both be repeated, but
3850 only the latter can be negated. One should not pass only
3851 negated qualifiers. Fix markup and examples.
3854 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3856 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3857 and -fhelp=separate.
3859 2009-03-17 Jing Yu <jingyu@google.com>
3862 * function.h (struct rtl_data): Move is_thunk from here...
3863 (struct function): ...to here.
3864 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3865 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3867 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3869 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3870 (alpha_output_function_end_prologue): Likewise.
3871 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3872 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3873 (rs6000_output_function_epilogue): Likewise.
3874 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3876 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3879 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3880 from different units in a single alternative.
3881 (*truncdfsf_i387): Ditto.
3882 (*truncxfsf2_mixed): Ditto.
3883 (*truncxfdf2_mixed): Ditto.
3885 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3887 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3888 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3891 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3892 unused non-artificial variables when not optimizing.
3895 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3896 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3897 NAMESPACE_DECL in its DECL_INITIAL.
3900 * optabs.c (set_user_assembler_libfunc): New function.
3901 * expr.h (set_user_assembler_libfunc): New prototype.
3902 * c-common.c: Include libfuncs.h.
3903 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3904 for memcmp, memset, memcpy, memmove and abort.
3905 * Makefile.in (c-common.o): Depend on libfuncs.h.
3908 * dwarf2out.c (gen_inlined_enumeration_type_die,
3909 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3910 gen_tagged_type_instantiation_die): Removed.
3911 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3914 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3917 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3919 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3920 (check-parallel-%): Ditto.
3921 (check-consistency): Ditto.
3923 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3925 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3926 local variable rhs by NULL_TREE.
3928 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3931 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3933 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3936 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3938 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3941 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3942 for ms->sysv ABI calls only in 64bit mode.
3944 * config/i386/i386.md (untyped_call): Support 32bit.
3946 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3948 * doc/extend.texi: Replace x86_65 with x86_64.
3950 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3952 PR tree-optimization/39455
3953 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3954 mismatches for POINTER_TYPE_P (type).
3955 (number_of_iterations_le): Likewise.
3957 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3959 * config/picochip/picochip.c: Removed profiling support.
3960 * config/picochip/picochip.md: Removed profiling instruction.
3961 * config/picochip/picochip.h: Removed profiling builtin.
3963 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3965 * doc/install.texi (--with-host-libstdcxx): Document.
3967 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3970 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3971 generate a warning if the function name does not begin with
3972 "__vector" and the function has either the 'signal' or 'interrupt'
3973 attribute, from here to ...
3974 (avr_declare_function_name): ...here. New function.
3975 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3976 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3978 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3981 * cse.c (fold_rtx): Don't modify original const_arg1 when
3982 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3983 separate variable instead.
3984 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3985 from out of range shift counts.
3986 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3988 2008-03-13 Catherine Moore <clm@codesourcery.com>
3990 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3991 diagnostic.h with $(DIAGNOSTIC_H).
3993 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3996 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3998 * config/i386/sync.md (sync_compare_and_swap<mode>,
3999 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4000 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4002 (sync_double_compare_and_swapdi_pic,
4003 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4004 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4006 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4009 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4011 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4014 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4015 (avx_addsubv4df3): Likewise.
4016 (*avx_addsubv4sf3): Likewise.
4017 (sse3_addsubv4sf3): Likewise.
4019 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4022 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4024 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4027 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4028 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4029 registers for allocnos created from user-defined variables.
4031 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4034 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4035 of non-integer mode as well.
4037 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4039 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4040 for functions for which the parameter types are unknown.
4042 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4045 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4046 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4047 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4048 * config/i386/i386.c (ix86_local_alignment): For
4049 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4050 long long variables on the stack to avoid dynamic realignment.
4051 Allow the first argument to be a decl rather than type.
4052 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4054 2009-03-11 Nick Clifton <nickc@redhat.com>
4057 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4059 Add description to mno-lsim option.
4060 * config/mcore/mcore.h: Remove comment about deprecated m4align
4062 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4063 * doc/invoke.texi: Add description of mno-lsim and
4064 mstack-increment options.
4066 * config/fr30/fr30.opt: Document the -mno-lsim option.
4067 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4068 and -mno-lsim options.
4070 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4072 * fold-const.c (fold_comparison): Only call fold_inf_compare
4073 if the mode supports infinities.
4075 2009-03-11 Jason Merrill <jason@redhat.com>
4078 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4079 end already did. Notice GIMPLE_CALL modifications of the result.
4080 Don't copy debug information from an ignored decl or a decl from
4083 2009-03-10 Richard Guenther <rguenther@suse.de>
4084 Nathan Froyd <froydnj@codesourcery.com>
4087 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4088 (__divMODE3): Likewise.
4090 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4092 PR tree-optimization/39394
4093 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4094 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4096 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4098 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4099 inline asms for register asm ("") declarations.
4101 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4103 * fold-const.c (fold_unary): Fix comment.
4105 2009-03-07 Jan Hubicka <jh@suse.cz>
4108 * tree-inline.c (setup_one_parameter): Do replacement of const
4109 argument by constant in SSA form.
4111 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4114 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4115 determine alignment passed to assign_stack_local.
4116 (assign_parms_unsplit_complex): Likewise.
4117 * except.c (sjlj_build_landing_pads): Likewise.
4119 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4122 * tree-flow.h (add_referenced_var): Return bool instead of void.
4123 * tree-dfa.c (add_referenced_var): Return result of
4124 referenced_var_check_and_insert call.
4125 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4126 of referenced_var_check_and_insert.
4129 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4130 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4131 DIE, don't emit it if abstract origin already has it.
4132 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4133 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4135 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4137 * genpreds.c (needs_variable): Fix parentheses at variable name
4139 (write_tm_constrs_h): Indent generated code.
4141 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4143 * doc/extend.texi (Function Attributes): Add documentation
4146 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4149 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4150 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4152 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4154 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4157 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4160 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4161 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4163 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4165 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4166 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4167 constants instead of magic numbers.
4168 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4170 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4171 (x86_64_ms_abi_int_parameter_registers): Ditto.
4172 (x86_64_int_return_registers): Ditto.
4173 (ix86_maybe_switch_abi): Ditto.
4174 (ix86_expand_call): Ditto for clobbered_registers array.
4175 (ix86_hard_regno_mode_ok): Ditto.
4176 (x86_extended_QIreg_mentioned_p): Ditto.
4178 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4180 PR tree-optimization/39349
4181 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4183 * combine.c (gen_lowpart_for_combine): Use omode when generating
4186 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4188 PR rtl-optimization/39235
4189 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4191 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4193 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4195 2009-03-04 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/39362
4198 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4199 that occur in abnormal PHIs should be varying.
4201 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4203 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4205 (simple_iv): Take loop as an argument instead of statement.
4206 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4207 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4209 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4211 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4212 * matrix-reorg.c (analyze_transpose): Ditto.
4213 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4214 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4215 * tree-predcom.c (ref_at_iteration): Ditto.
4216 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4218 2009-03-04 Richard Guenther <rguenther@suse.de>
4220 PR tree-optimization/39358
4221 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4222 escaped_id and callused_id.
4223 (solve_graph): Likewise.
4225 2009-03-04 Richard Guenther <rguenther@suse.de>
4227 PR tree-optimization/39339
4228 * tree-sra.c (try_instantiate_multiple_fields): Make it
4229 no longer ICE on the above.
4231 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4233 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4234 that fits within Pmode.
4236 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4239 * tm.texi (LIBCALL_VALUE): Update description.
4241 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4244 * doc/extend.texi (section): Update description.
4246 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4249 * tree-inline.c (remapped_type): New.
4250 (can_be_nonlocal): Call remapped_type instead of remap_type.
4252 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4255 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4256 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4258 2009-03-03 Richard Guenther <rguenther@suse.de>
4261 * tree.c (tree_nonartificial_location): New function.
4262 * tree.h (tree_nonartificial_location): Declare.
4263 * builtins.c (expand_builtin_memory_chk): Provide location
4264 of the call location for artificial function pieces.
4265 (maybe_emit_chk_warning): Likewise.
4266 (maybe_emit_sprintf_chk_warning): Likewise.
4267 (maybe_emit_free_warning): Likewise.
4268 * expr.c (expand_expr_real_1): Likewise.
4270 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4272 PR tree-optimization/39343
4273 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4274 COMPONENT_REF t has ARRAY_TYPE.
4276 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4279 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4280 when the type precision of the induction variable should be
4281 larger than the type precision of nit.
4282 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4283 * graphite.c (graphite_loop_normal_form): Same.
4284 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4286 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4288 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4289 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4290 numbers to describe clobbered registers.
4291 (*call_value_0_rex64_ms_sysv): Ditto.
4292 * config/i386/mmx.md (mmx_emms): Ditto.
4295 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4297 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4300 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4302 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4303 (spu_section_type_flags): New function.
4305 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4307 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4308 reg_class_contents of FLOAT_REGS into a temporary.
4310 2009-03-02 Richard Guenther <rguenther@suse.de>
4311 Ira Rosen <irar@il.ibm.com>
4313 PR tree-optimization/39318
4314 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4315 information to the vectorized statement.
4317 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4319 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4320 variable. Use defined names instead of magic constants for REX SSE
4323 2009-03-01 Richard Guenther <rguenther@suse.de>
4325 PR tree-optimization/39331
4326 * omp-low.c (lower_send_shared_vars): Do not receive new
4327 values for the reference of DECL_BY_REFERENCE parms or results.
4329 2009-03-01 Jan Hubicka <jh@suse.cz>
4332 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4333 BLOCK_NONLOCALIZED_VAR): New macros.
4334 (tree_block): Add nonlocalized_vars.
4335 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4336 gen_decl_die): Add origin argument. Allow generation of die with
4337 origin at hand only.
4338 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4339 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4341 (gen_block_die): Fix checking for unused blocks.
4342 (process_scope_var): Break out from .... ; work with origins only.
4343 (decls_for_scope) ... here; process nonlocalized list.
4344 (dwarf2out_ignore_block): Look for nonlocalized vars.
4345 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4347 (dump_scope_block): Dump them.
4348 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4349 (remap_block): Likewise.
4350 (can_be_nonlocal): New predicate.
4351 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4353 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4355 * configure: Regenerate.
4357 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4359 * optc-gen.awk: No need to duplicate option flags twice.
4360 Reuse help texts for duplicate options which do not have any.
4362 * gcc.c (display_help): Document --version.
4364 * gcc.c (main): If print_help_list and verbose_flag, ensure
4365 driver output comes before subprocess output.
4367 * optc-gen.awk: Assign all remaining fields to help string,
4368 space-separated, for multi-line help in *.opt.
4370 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4371 -Wno-pedantic-ms-format is for MinGW targets only.
4373 * doc/options.texi (Option file format): Fix bad indentation,
4374 restoring dropped sentence.
4376 2009-02-28 Jan Hubicka <jh@suse.cz>
4378 * tree-inline.c (tree_function_versioning): Output debug info.
4380 2009-02-28 Jan Hubicka <jh@suse.cz>
4383 * tree-inline.c (setup_one_parameter): Do not copy propagate
4384 arguments when not optimizing.
4386 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4389 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4390 (avx_addsubv4df3): Likewise.
4391 (*avx_addsubv4sf3): Likewise.
4392 (sse3_addsubv4sf3): Likewise.
4393 (*avx_addsubv2df3): Likewise.
4394 (sse3_addsubv2df3): Likewise.
4395 (avx_unpckhps256): Correct item selectors.
4396 (avx_unpcklps256): Likewise.
4397 (avx_unpckhpd256): Likewise.
4398 (avx_unpcklpd256): Likewise.
4400 2009-02-28 Jan Hubicka <jh@suse.cz>
4402 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4404 (copy_arguments_for_versioning): If var is declared don't declare it.
4405 (tree_function_versioning): First setup substitutions and then copy
4408 2009-02-27 Jan Hubicka <jh@suse.cz>
4411 * cgraph.h (varpool_output_debug_info): Remove.
4412 * cgraphunit.c (varpool_output_debug_info): Remove.
4413 * dwarf2out.c (deferred_locations_struct): New struct
4414 (deferred_locations): New type.
4415 (deferred_locations_list): New static var.
4416 (deffer_location): New function.
4417 (gen_variable_die): Use it.
4418 (decls_for_scope): Output info on local static vars.
4419 (dwarf2out_finish): Process deferred locations.
4420 * varpool.c (varpool_output_debug_info): Remove.
4422 2009-02-27 Jan Hubicka <jh@suse.cz>
4425 * tree.h (TREE_PROTECTED): Fix comment.
4426 (BLOCK_HANDLER_BLOCK): Remove.
4427 (struct tree_block): Remove handler_block add body_block.
4428 (inlined_function_outer_scope_p): New.
4429 (is_body_block): Remove.
4430 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4431 * dwarf2out.c (is_inlined_entry_point): Remove.
4432 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4433 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4435 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4436 * gimplify.c (gimplify_expr): Gimplify body blocks.
4437 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4438 block with multiple subblocks.
4439 (dump_scope_block): Prettier output; dump more flags and info.
4440 (dump_scope_blocks): New.
4441 (remove_unused_locals): Use dump_scope_blocks.
4442 * tree-flow.h (dump_scope_blocks): Declare.
4443 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4444 * stmt.c (is_body_block): Remove.
4445 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4446 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4448 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4451 * graphite.c (graphite_loop_normal_form): Do not call
4452 number_of_iterations_exit from a gcc_assert.
4454 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4456 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4457 jumps if COND is NULL.
4458 (find_cond_jump): New function.
4459 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4460 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4462 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4464 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4465 force_const_mem returns NULL_RTX.
4467 2009-02-26 Jan Hubicka <jh@suse.cz>
4470 * cgraph.h (varpool_output_debug_info): Remove.
4471 * cgraphunit.c (varpool_output_debug_info): Remove.
4472 * dwarf2out.c (deferred_locations_struct): New struct
4473 (deferred_locations): New type.
4474 (deferred_locations_list): New static var.
4475 (deffer_location): New function.
4476 (gen_variable_die): Use it.
4477 (decls_for_scope): Output info on local static vars.
4478 (dwarf2out_finish): Process deferred locations.
4479 * varpool.c (varpool_output_debug_info): Remove.
4481 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4483 PR rtl-optimization/39241
4484 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4485 to subreg_offset_representable_p.
4487 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4489 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4490 execute function prototype. Get f and nregs from max_reg_num
4491 and get_insns. Remove the first backward pass as it's dead,
4492 guard the forward pass by flag_expensive_optimizations.
4493 (rest_of_handle_regmove): Delete.
4494 (pass_regmove): Replace it with regmove_optimize.
4496 2009-02-25 Martin Jambor <mjambor@suse.cz>
4498 PR tree-optimization/39259
4499 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4500 calls_alloca function flags.
4501 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4504 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4506 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4507 flags_set_1_rtx, flags_set_1_set): Delete.
4508 (regmove_optimize): Do not call mark_flags_life_zones.
4510 2009-02-24 Julian Brown <julian@codesourcery.com>
4513 * config/arm/arm.c (require_pic_register): Only set
4514 cfun->machine->pic_reg once per function.
4516 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4518 * doc/invoke.texi (Link Options): Document an easier way to pass
4519 options that take arguments to the GNU linker using -Xlinker and -Wl.
4521 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4524 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4526 2009-02-24 Richard Guenther <rguenther@suse.de>
4529 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4531 2009-02-24 Richard Guenther <rguenther@suse.de>
4532 Zdenek Dvorak <ook@ucw.cz>
4534 PR tree-optimization/39233
4535 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4536 from converting them to a generic type.
4538 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4540 PR tree-optimization/39260
4541 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4542 contains a condition with a real type.
4543 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4545 2009-02-23 Jason Merrill <jason@redhat.com>
4548 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4549 narrowing_initializer_constant_valid_p.
4550 (narrowing_initializer_constant_valid_p): Don't return
4551 null_pointer_node for adding a pointer to itself.
4553 2009-02-23 Jan Hubicka <jh@suse.cz>
4556 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4559 2009-02-23 Jan Hubicka <jh@suse.cz>
4561 PR tree-optimization/37709
4562 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4563 * tree.h (block_ultimate_origin): Declare.
4564 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4565 * tree-ssa-live.c (remove_unused_scope_block_p):
4566 Eliminate blocks containig no instructions nor live variables nor
4568 (dump_scope_block): New function.
4569 (remove_unused_locals): Enable removal of dead blocks by default;
4570 enable dumping at TDF_DETAILS.
4572 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4574 * config/i386/i386.c (classify_argument): Don't allow COImode
4576 (function_arg_advance_32): Don't allow OImode.
4577 (function_arg_32): Likewise.
4578 (function_value_32): Likewise.
4579 (return_in_memory_32): Likewise.
4580 (function_arg_64): Remove OImode comment.
4582 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4585 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4586 ix86_expand_vector_set for V4DImode in 64bit mode only.
4587 (ix86_expand_vector_init_one_var): Likewise.
4589 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4591 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4593 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4596 * loop-iv.c: Revert last change.
4597 * emit-rtl.c: Likewise.
4599 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4602 * config/i386/i386.c (type_natural_mode): Remove an extra
4603 space in the warning message.
4604 (function_value_32): Handle 32-byte vector modes.
4605 (return_in_memory_32): Likewise.
4607 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4609 * loop-iv.c (truncate_value): New function.
4610 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4612 (lowpart_subreg): Move to...
4613 * emit-rtl.c: ...here.
4615 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4617 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4618 accidental and undocumented change at revision 140860.
4620 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4622 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4623 take gimple_seq * arguments.
4624 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4625 types_compatible_p langhook.
4627 2009-02-20 Mark Mitchell <mark@codesourcery.com>
4628 Joseph Myers <joseph@codesourcery.com>
4630 * config/arm/arm.c (arm_builtin_va_list): New function.
4631 (arm_expand_builtin_va_start): Likewise.
4632 (arm_gimplify_va_arg_expr): Likewise.
4633 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4634 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4635 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4636 (va_list_type): New variable.
4637 (arm_mangle_type): Mangle va_list_type appropriately.
4639 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4642 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4643 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4644 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4645 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4646 parameter to 1000 for -O1 by default.
4647 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4649 * loop-invariant.c: Include params.h.
4650 (move_loop_invariants): Don't call move_single_loop_invariants on
4653 2009-02-20 Jaka Mocnik <jaka@xlab.si>
4655 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4656 offset when calculating bounds for indexing stack_usage_map. Fixes
4657 a buffer overflow with certain target setups.
4659 2009-02-20 Jakub Jelinek <jakub@redhat.com>
4662 * calls.c (expand_call): Clear try_tail_call if caller and callee
4663 disagree in promotion of function return value.
4665 2009-02-19 Jakub Jelinek <jakub@redhat.com>
4668 * c-common.c (c_determine_visibility): If visibility changed and
4669 DECL_RTL has been already set, call make_decl_rtl to update symbol
4672 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4675 * varasm.c (assemble_variable): Don't check DECL_NAME when
4676 globalizing a variable.
4678 2009-02-19 Joseph Myers <joseph@codesourcery.com>
4681 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4682 expression before any __builtin_trap call.
4683 * c-typeck.c (build_function_call): Convert and check function
4684 arguments before generating a call to a trap. Evaluate the
4685 function arguments before the trap.
4687 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
4690 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4691 (UNSPEC_FXAM_MEM): New unspec.
4692 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4693 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4694 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4696 2009-02-19 Richard Guenther <rguenther@suse.de>
4698 PR tree-optimization/39207
4699 PR tree-optimization/39074
4700 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4701 storedanything_tree): New.
4702 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
4703 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4704 (build_succ_graph): Add edges from STOREDANYTHING to all
4706 (init_base_vars): Initialize STOREDANYTHING.
4707 (compute_points_to_sets): Free substitution info after
4708 building the succ graph.
4709 (ipa_pta_execute): Likewise.
4711 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4713 (do_ds_constraint): Do not add to special var or non-pointer
4715 (type_could_have_pointers): Split out from ...
4716 (could_have_pointers): ... here. For arrays use the element type.
4717 (create_variable_info_for): Initialize may_have_pointers.
4718 (new_var_info): Likewise.
4719 (handle_lhs_call): Make the HEAP variable unknown-sized.
4720 (intra_create_variable_infos): Use a type with pointers for
4721 PARM_NOALIAS, make it unknown-sized.
4723 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4726 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4728 2009-02-18 Jason Merrill <jason@redhat.com>
4731 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4732 value if DECL_EXTERNAL.
4733 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4734 * target.h (gcc_target::binds_local_p): Clarify "module".
4735 * tree.h (TREE_PUBLIC): Clarify "module".
4737 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4740 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4741 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4743 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4746 * c.opt (Wabi): Support C and ObjC.
4749 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4751 * config/i386/i386.c (classify_argument): Warn once about the ABI
4752 change when passing union with long double.
4754 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4756 2009-02-18 Joseph Myers <joseph@codesourcery.com>
4759 * c-parser.c (c_parser_compound_statement): Always enter and leave
4762 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4765 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4767 2009-02-18 Jakub Jelinek <jakub@redhat.com>
4769 PR tree-optimization/36922
4770 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4771 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4774 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4776 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4779 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4781 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4783 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4785 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4788 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4789 Richard Sandiford <rdsandiford@googlemail.com>
4791 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4792 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4793 (loongson_biadd): ...this.
4795 2009-02-17 Richard Guenther <rguenther@suse.de>
4797 PR tree-optimization/39202
4798 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4799 a var make sure to follow existing collapses.
4801 2009-02-17 Richard Guenther <rguenther@suse.de>
4804 * langhooks.c (lhd_print_error_function): Check for NULL block.
4806 2009-02-17 Richard Guenther <rguenther@suse.de>
4808 PR tree-optimization/39204
4809 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4812 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
4814 * config/soft-fp/double.h: Update from glibc CVS.
4816 2009-02-17 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/39207
4819 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4820 strict-aliasing warnings for pointers pointing to NULL.
4822 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4825 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4826 skipping until next close brace.
4828 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4831 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4832 to function argument boundary.
4834 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4836 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4837 in the lea_add. Reload eventually constraints it properly.
4838 * config/picochip/constraints.md : Remove the target constraint
4839 "b", since it is not needed anymore.
4841 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4843 * gthr-dce.h: Uglify function parameter and local variable names.
4844 * gthr-gnat.h: Likewise.
4845 * gthr-mipssde.h: Likewise.
4846 * gthr-nks.h: Likewise.
4847 * gthr-posix95.h: Likewise.
4848 * gthr-posix.h: Likewise.
4849 * gthr-rtems.h: Likewise.
4850 * gthr-single.h: Likewise.
4851 * gthr-solaris.h: Likewise.
4852 * gthr-tpf.h: Likewise.
4853 * gthr-vxworks.h: Likewise.
4854 * gthr-win32.h: Likewise.
4856 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4859 * config/i386/i386.md: Restrict the new peephole2 to move
4860 between MMX/SSE registers.
4862 2009-02-15 Richard Guenther <rguenther@suse.de>
4865 2009-02-13 Richard Guenther <rguenther@suse.de>
4867 * configure.ac: Enable LFS.
4868 * configure: Re-generate.
4869 * config.in: Likewise.
4871 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4873 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4874 spu_srqwbyte, spu_srqwbytebc): Define.
4875 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4876 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4877 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4878 "shrqby_<mode>"): New insn-and-split patterns.
4879 * config/spu/spu.c (expand_builtin_args): Determine and return
4880 number of operands using spu_builtin_description data.
4881 (spu_expand_builtin_1): Use it.
4883 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4886 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4889 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4892 * config/i386/i386.c (override_options): Correct warning
4893 messages for -malign-loops, -malign-jumps and -malign-functions.
4895 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4898 * config/i386/i386.md: Restrict the new peephole2 to move
4899 between the general purpose registers.
4901 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4904 * config/i386/i386.c (type_natural_mode): Add a new argument.
4905 Return the original mode and warn ABI change if vector size is 32byte.
4906 (function_arg_advance): Updated.
4907 (function_arg): Likewise.
4908 (ix86_function_value): Likewise.
4909 (ix86_return_in_memory): Likewise.
4910 (ix86_sol10_return_in_memory): Likewise.
4911 (ix86_gimplify_va_arg): Likewise.
4912 (function_arg_32): Don't warn ABX ABI change here.
4913 (function_arg_64): Likewise.
4915 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4917 * loop-iv.c (implies_p): In the final case, test that operands 0
4918 of the two comparisons match.
4920 * config/bfin/bfin.c (find_prev_insn_start): New function.
4921 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4922 (find_next_insn_start): Move.
4924 2009-02-13 Richard Guenther <rguenther@suse.de>
4926 * configure.ac: Enable LFS.
4927 * configure: Re-generate.
4928 * config.in: Likewise.
4930 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4933 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4934 sizes on syntax error after some arguments have been parsed.
4936 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4938 * doc/invoke.texi (-fira): Remove.
4940 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4942 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4943 * recog.c: Likewise.
4946 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4948 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4949 (umul_ppmm): Likewise.
4950 (count_leading_zeros): Likewise.
4951 (count_trailing_zeros): Likewise.
4952 (UMUL_TIME): Likewise.
4954 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4956 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4957 soft-fp/t-softfp to tmake_file.
4959 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4960 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4961 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4962 IA64_BUILTIN_INFQ]: New.
4963 (ia64_init_builtins): Initialize __builtin_infq,
4964 __builtin_fabsq and __builtin_copysignq if not HPUX.
4965 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4966 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4968 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4970 (__fixtfti): Likewise.
4971 (__fixunstfti): Likewise.
4972 (__floattitf): Likewise.
4974 * config/ia64/libgcc-glibc.ver: New.
4975 * config/ia64/t-fprules-softfp: Likewise.
4976 * config/ia64/sfp-machine.h: Likewise.
4978 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4979 (LIBGCC2_TF_CEXT): Likewise.
4980 (TF_SIZE): Likewise.
4981 (TARGET_INIT_LIBFUNCS): Likewise.
4983 * config/ia64/t-glibc (SHLINB_MAPFILES):
4984 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4986 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4988 * config/i386/i386.c (construct_container): Rewrite processing
4989 BLKmode with X86_64_SSE_CLASS.
4991 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4994 * config/i386/i386.md: Replace simplify_replace_rtx with
4995 replace_rtx in the new peephole2.
4997 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4999 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5000 loop unrolling do not happen at -O2.
5002 2009-02-12 Michael Matz <matz@suse.de>
5004 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5006 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5008 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5011 2009-02-12 Ben Elliston <bje@au.ibm.com>
5013 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5014 patterns when updating the back chain. Missed in the 2009-02-10
5017 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5019 * doc/extend.texi (Decimal Floating Types): Update identifier of
5020 draft TR and list of missing support.
5022 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5025 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5026 bit to variable length decl's flags, add it also to its
5027 pointer replacement variable.
5029 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5030 Jakub Jelinek <jakub@redhat.com>
5033 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5034 (memory_blockage): New expander.
5035 (*memory_blockage): New insn pattern.
5036 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5037 instead of general blockage at the end of function prologue when
5038 frame pointer is used to access red zone area. Do not emit blockage
5039 when profiling, it is emitted in generic code.
5040 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5041 function epilogue when frame pointer is used to access red zone area.
5043 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5046 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5047 by arithmetic with memory operands.
5048 * config/i386/predicates.md (commutative_operator): New.
5050 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5052 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5055 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5057 * alias.h (record_alias_subset): Declare.
5058 * alias.c (record_alias_subset): Make global.
5060 2009-02-10 Nick Clifton <nickc@redhat.com>
5062 * tree-parloops.c: Change license to GPLv3.
5063 * ipa-struct-reorg.c: Change license to GPLv3.
5064 * ipa-struct-reorg.h: Change license to GPLv3.
5066 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5069 * c-decl.c (start_struct): Return NULL on error.
5071 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5074 * cfgloopmanip.c (remove_path): Call remove_bbs after
5075 cancel_loop_tree, not before it.
5078 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5079 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5080 VAR_DECLs were seen.
5081 * tree-ssa-live.c (remove_unused_locals): Recompute
5082 cfun->has_local_explicit_reg_vars.
5083 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5084 copies or clearings if cfun->has_local_explicit_reg_vars.
5086 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5089 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5090 of function prologue when frame pointer is used to access
5093 2009-02-10 Richard Guenther <rguenther@suse.de>
5096 * gimplify.c (gimple_regimplify_operands): Always look if
5097 we need to create a temporary.
5099 2009-02-10 Richard Guenther <rguenther@suse.de>
5101 PR tree-optimization/39132
5102 * tree-loop-distribution.c (todo): New global var.
5103 (generate_memset_zero): Trigger TODO_rebuild_alias.
5104 (tree_loop_distribution): Return todo.
5106 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5109 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5110 (x86_64_reg_class_name): Removed.
5111 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5112 first one isn't X86_64_SSE_CLASS or any other ones aren't
5113 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5114 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5115 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5116 and 3 X86_64_SSEUP_CLASS.
5117 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5118 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5120 2009-02-10 Ben Elliston <bje@au.ibm.com>
5122 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5123 form instruction to update the stack back chain word, even if the
5124 user has disabled the generation of update instructions.
5125 (movdi_<mode>_update_stack): New.
5126 (movsi_update_stack): Likewise.
5127 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5128 always use an update form instruction to update the stack back
5131 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5134 * graphite.c (if_region_set_false_region): After moving a region in
5135 the false branch of a condition, remove the empty dummy basic block.
5136 (gloog): Remove wrong fix for PR38953.
5138 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5140 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5141 generation due to implicit sign extension.
5143 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5146 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5147 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5149 2009-02-09 Richard Guenther <rguenther@suse.de>
5152 * convert.c (convert_to_real): Disable (float)fn((double)x)
5153 to fnf(x) conversion if errno differences may occur and
5154 -fmath-errno is set.
5156 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5158 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5159 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5160 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5162 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5165 * c-common.c (handle_alias_attribute): Disallow attribute for
5166 anything not a FUNCTION_DECL or VAR_DECL.
5168 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5171 * real.c (do_compare): Special-case compare of zero against
5172 decimal float value.
5174 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5177 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5178 as indicating flexible array members unless the field itself is
5179 being declarared as the incomplete array.
5181 2009-02-06 Jan Hubicka <jh@suse.cz>
5183 PR tree-optimization/38844
5184 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5187 2009-02-06 Richard Guenther <rguenther@suse.de>
5190 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5191 fork because we may expand it as __gcov_fork.
5193 2009-02-06 Nick Clifton <nickc@redhat.com>
5195 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5197 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5199 PR tree-optimization/35659
5200 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5201 vn_phi_eq): Shortcut if hashcode does not match.
5202 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5204 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5205 and avoid iterative_hash_expr.
5206 (FOR_EACH_VALUE_ID_IN_SET): New.
5207 (value_id_compare): Remove.
5208 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5209 sort expressions by value id.
5211 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5214 * config/sh/predicates.md (general_movsrc_operand): Don't check
5215 the subreg of system registers here.
5217 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5220 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5223 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5225 PR rtl-optimization/39110
5226 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5227 addresses, not aligned ones.
5229 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5230 Richard Guenther <rguenther@suse.de>
5232 PR tree-optimization/39100
5233 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5234 comment says and add edges.
5236 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5239 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5240 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5242 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5244 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5245 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5246 register_bb_in_sese, new_sese, free_sese): Moved.
5247 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5248 outermost_loop_in_scop, build_scop_iteration_domain,
5249 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5250 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5251 Use loop_in_sese_p instead of loop_in_scop_p.
5252 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5253 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5254 (scopdet_basic_block_info): Fix bug in scop detection.
5255 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5256 eq_loop_to_cloog_loop): Remove.
5257 (nb_loops_around_loop_in_scop, nb_loop
5258 ref_nb_loops): Moved here...
5259 * graphite.h (ref_nb_loops): ... from here.
5260 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5261 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5262 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5263 * testsuite/gcc.dg/graphite/scop-19.c: New
5265 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5266 Hans-Peter Nilsson <hp@axis.com>
5268 PR rtl-optimization/37889
5269 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5270 Move offset handling from PLUS to before the switch. Use new
5271 arguments when considering SYMBOL_REFs too.
5272 (rtx_addr_can_trap_p): Pass dummy offset and size.
5273 (enum may_trap_p_flags): Remove.
5274 (may_trap_p_1): Pass size from MEM_SIZE.
5276 PR rtl-optimization/38921
5277 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5278 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5279 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5280 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5282 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5284 AVX Programming Reference (January, 2009)
5285 * config/i386/sse.md (*vpclmulqdq): New.
5287 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5289 PR tree-optimization/38977
5290 PR gcov-profile/38292
5291 * calls.c (special_function_p): Disregard __builtin_ prefix.
5293 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5295 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5296 non-indexable addresses even before reload.
5298 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5301 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5302 as having variable size. Do not give an error for unnamed
5303 parameters with [*] declarators. Give a warning for type names
5304 with [*] declarators and mark them as variable size.
5305 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5306 for sizeof applied to [*] type names.
5308 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5311 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5313 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5315 * gcc.c (process_command): Update copyright notice dates.
5316 * gcov.c (print_version): Likewise.
5317 * gcov-dump.c (print_version): Likewise.
5318 * mips-tfile.c (main): Likewise.
5319 * mips-tdump.c (main): Likewise.
5321 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5324 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5325 for composite type involving a zero-length array type.
5327 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5330 * function.c (match_asm_constraints_1): Skip over
5331 initial optional % in the constraint.
5334 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5335 supported, don't accept FIXED_CSTs.
5336 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5337 and _Sat is used without _Fract/_Accum. Set specs->type to
5338 integer_type_node for cts_fract/cts_accum if fixed point is not
5341 2009-02-02 Catherine Moore <clm@codesourcery.com>
5343 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5345 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5347 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5348 (ABI_HAS_64BIT_SYMBOLS): Use it.
5349 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5351 2009-02-02 Paul Brook <paul@codesourcery.com>
5353 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5355 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5358 * recog.h (asm_operand_ok): Add constraints argument.
5359 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5360 recurse on matching constraint.
5361 (check_asm_operands): Pass constraints as 3rd argument to
5362 asm_operand_ok. Don't look up matching constraint here.
5363 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5366 2009-02-02 Ben Elliston <bje@au.ibm.com>
5368 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5369 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5371 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5373 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5374 information. Remove some obsolete information. Reorganize.
5376 * config/pa/fptr.c: Revert license to GPL 2.
5377 * config/pa/milli64.S: Likewise.
5379 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5382 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5383 LIBRARY name in, instead of hard-coding it.
5384 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5385 extra target make frag to tmake_files according to EH model.
5386 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5387 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5388 frags that define makefile variable EH_MODEL appropriately.
5389 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5390 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5391 to "-sjlj" according to type of EH configured.
5392 (LIBGCC_SONAME): Concatenate it to shared library base name.
5393 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5394 to "_sjlj" according to type of EH configured.
5395 (LIBGCC_SONAME): Concatenate it to shared library base name.
5396 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5397 (SHLIB_LINK): Add missing semicolon to if-else construct.
5398 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5399 string value of "pe_dll" command-line option.
5400 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5401 (SHLIB_SONAME): Use it when overriding t-cygming default.
5402 (SHLIB_IMPLIB): Override t-cygming default.
5403 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5404 string value of "pe_dll" command-line option.
5406 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5409 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5410 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5412 2009-01-31 Richard Guenther <rguenther@suse.de>
5414 PR tree-optimization/38937
5415 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5416 computing the transitive closure.
5418 2009-01-30 Richard Guenther <rguenther@suse.de>
5420 PR tree-optimization/39041
5421 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5422 Propagate variable indices only if the types match for this stmt.
5424 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5427 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5428 inline but never defined.
5430 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5432 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5433 (*insv_h_di_reg_extimm): New insn.
5434 (*insv_l<mode>_reg_extimm): New insn.
5436 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5438 * config/picochip/picochip.c (flag_conserve_stack): set
5439 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5440 fconserve-stack. Reduce call-overhead used by inliner.
5442 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5445 * common.opt (flag_conserve_stack): Initialised to zero.
5447 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5450 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5451 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5454 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5456 * ira-color.c (allocno_reload_assign): Update comments.
5457 * regmove.c (regmove_optimize): Likewise.
5461 2009-01-29 Robert Millan <rmh@aybabtu.com>
5463 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5464 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5465 `MD_UNWIND_SUPPORT'.
5466 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5468 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5470 PR tree-optimization/39007
5471 * tree-loop-distribution.c (generate_builtin): Use
5472 recompute_dominator to compute the immediate dominator of the
5473 basic block just after the loop.
5475 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5477 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5478 (ASM_OUTPUT_DWARF_PCREL): Define.
5480 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5482 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5483 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5484 global. Modify entries about regmove and IRA.
5486 * ra-conflict.c: Remove the file.
5488 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5490 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5491 (pass_regclass_init): Rename to pass_reginfo_init.
5493 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5495 * toplev.h (flag_ira): Remove.
5497 * caller-save.c (setup_save_areas): Remove flag_ira.
5499 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5501 * global.c: Remove the file.
5503 * opts.c (decode_options): Remove flag_ira.
5505 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5507 * regmove.c: Modify file description.
5508 (find_use_as_address, try_auto_increment): Define them only if
5509 AUTO_INC_DEC is defined.
5510 (replacement_quality, replace_in_call_usage, fixup_match_1,
5511 stable_and_no_regs_but_for_p): Remove.
5512 (reg_set_in_bb): Make it static.
5513 (regmove_optimize): Remove flag_ira and code which worked for
5516 * local-alloc.c: Remove the file.
5518 * common.opt (fira): Remove.
5520 * ira.c: Include except.h.
5521 (eliminable_regset): Move from global.c.
5522 (mark_elimination): Ditto. Remove flag_ira.
5523 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5524 equiv_mem_modified, validate_equiv_mem_from_store,
5525 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5526 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5527 no_equiv, recorded_label_ref): Move from local-alloc.c.
5528 (update_equiv_regs): Ditto. Make it static.
5529 (print_insn_chain, print_insn_chains): Move it from global.c.
5530 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5531 (build_insn_chain): Ditto. Make it static.
5532 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5533 Rename to init_live_subregs.
5534 (gate_ira): Remove flag_ira.
5536 * regclass.c: Rename reginfo.c. Change file description.
5537 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5538 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5539 (init_reg_sets_1): Remove code for evaluation of
5540 reg_class_superclasses and losing_caller_save_reg_set.
5541 (init_regs): Remove init_reg_autoinc.
5542 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5543 ok_for_base_p_nonstrict): Remove.
5544 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5545 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5546 corresponding entries.
5547 (dump_regclass, record_operand_costs, scan_one_insn,
5548 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5549 record_address_regs, auto_inc_dec_reg_p): Remove.
5550 (gt-regclass.h): Rename to gt-reginfo.h.
5552 * rtl.h (dump_global_regs, retry_global_alloc,
5553 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5555 * Makefile.in (RA_H): Remove.
5556 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5557 Rename regclass.o to reginfo.o.
5558 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5560 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5561 (GTFILES): Rename regclass.c to reginfo.c.
5563 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5564 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5566 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5567 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5569 (finish_spills): Ditto. Remove code for !flag_ira.
5571 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5574 * doc/invoke.texi (rtl debug options): Complete rewrite.
5575 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5577 * mode-switching.c (pass_mode_switching): Rename pass from
5578 "mode-sw" to "mode_sw".
5579 * except.c (pass_convert_to_eh_ranges): Rename pass from
5580 "eh-ranges" to "eh_ranges".
5581 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5585 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5586 Alexander Monakov <amonakov@ispras.ru>
5589 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5591 (move_exprs_to_boundary): Change return type and pass through
5592 should_move from move_op. Relax assert. Update usage ...
5593 (schedule_expr_on_boundary): ... here. Use should_move instead of
5595 (move_op_orig_expr_found): Indicate that insn was disconnected from
5597 (code_motion_process_successors): Do not call after_merge_succs
5598 callback if original expression was not found when traversing any of
5600 (code_motion_path_driver): Change return type. Update prototype.
5601 (move_op): Update comment. Add a new parameter (should_move). Update
5602 prototype. Set *should_move based on indication provided by
5603 move_op_orig_expr_found.
5605 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5607 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5608 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5609 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5610 * config/rs6000/rs6000.c (rs6000_override_options): Default
5611 avoid-indexed-addresses on for Power6, off for everything else.
5612 (avoiding_indexed_address_p): New function.
5613 (rs6000_legitimize_address): Use it.
5614 (rs6000_legitimate_address): Likewise.
5615 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5617 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5619 PR tree-optimization/38997
5620 * tree-loop-distribution.c (generate_memset_zero): Use
5621 POINTER_PLUS_EXPR for a pointer addition.
5623 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5625 * config/s390/s390.md (bswap<mode>2): New pattern added.
5627 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5629 * config/s390/s390.md (*tls_load_31): Added type attribute.
5631 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5633 * config/s390/s390.md: Fix a few comments.
5635 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5637 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5638 (*tm<mode>_full): Fixed z10prop attribute.
5639 (*tst<mode>_extimm): Fixed z10prop attribute.
5640 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5641 (*tstqiCCT_cconly): Fixed z10prop attribute.
5642 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5643 (*movsi_larl): Fixed z10prop attribute.
5644 (*movsi_zarch): Fixed z10prop attribute.
5645 (*movsi_eas): Fixed z10prop attribute.
5646 (*movhi): Fixed z10prop attribute.
5647 (*movqi): Fixed z10prop attribute.
5648 (*movstrictqi): Fixed z10prop attribute.
5649 (*mov<mode>): Fixed z10prop attribute.
5650 (*movcc): Fixed z10prop attribute.
5651 (*sethighpartdi_64): Fixed z10prop attribute.
5652 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5653 (*negdi2_sign_cc): Fixed z10prop attribute.
5654 (*negdi2_sign): Fixed z10prop attribute.
5655 (*absdi2_sign_cc): Fixed z10prop attribute.
5656 (*absdi2_sign): Fixed z10prop attribute.
5657 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5658 (*negabsdi2_sign): Fixed z10prop attribute.
5659 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5660 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5661 (doloop_si64): Fixed z10prop attribute.
5662 (doloop_si31): Fixed z10prop attribute.
5663 (doloop_long): Fixed z10prop attribute.
5664 (indirect_jump): Fixed z10prop attribute.
5665 (nop): Fixed z10prop attribute.
5666 (main_base_64): Fixed z10prop attribute.
5667 (reload_base_64): Fixed z10prop attribute.
5669 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5671 PR rtl-optimization/38740
5672 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5674 * config/mips/mips.c (mips_reorg): Likewise.
5676 2009-01-28 Richard Guenther <rguenther@suse.de>
5678 PR tree-optimization/38926
5679 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5680 with the correct value id to a value.
5681 (do_regular_insertion): Use the value number of edoubleprime
5682 for the value number of the expr.
5685 2008-08-21 Richard Guenther <rguenther@suse.de>
5687 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5688 a PHI ask VN if it is already available.
5689 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5690 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5692 2009-01-28 Jakub Jelinek <jakub@redhat.com>
5695 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5696 set to varying whenever max has TREE_OVERFLOW set, similarly
5697 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5699 2009-01-28 Richard Guenther <rguenther@suse.de>
5702 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5703 uninitialized aggregate uses in call arguments.
5705 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
5707 PR tree-optimization/38984
5708 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5709 the nothing_id variable if -fno-delete-null-pointer-checks.
5711 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
5714 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5715 (set_got_offset_rex64): Ditto.
5717 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5720 * doc/extend.texi: Improve local variable with asm reg.
5722 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5724 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5725 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5726 was not supplied then set warn_packed_bitfield_compat to the
5728 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5731 2009-01-27 Richard Guenther <rguenther@suse.de>
5733 PR tree-optimization/38503
5734 * cfgexpand.c (expand_gimple_basic_block): Ignore
5735 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5736 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5737 variables that cannot have TBAA applied.
5738 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5741 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
5744 * calls.c (initialize_argument_information): Do not wrap complex
5745 arguments in SAVE_EXPR.
5747 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5749 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5750 (INSTALL_LIBGCC): Revert typo commit.
5752 2009-01-26 Richard Guenther <rguenther@suse.de>
5754 PR tree-optimization/38745
5755 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5756 from special handling.
5758 2009-01-26 Richard Guenther <rguenther@suse.de>
5760 PR tree-optimization/38745
5761 * tree-ssa.c (execute_update_addresses_taken): Do not include
5762 variables that cannot possibly be a register in not_reg_needs.
5763 Do not clear TREE_ADDRESSABLE on vars that may not become
5765 * tree-ssa.c (update_alias_info_1): Include those in the set
5766 of addressable vars.
5768 2009-01-26 Richard Guenther <rguenther@suse.de>
5771 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5772 * tree-ssa-dse.c: Include langhooks.h
5773 (execute_simple_dse): Remove stores with zero size.
5775 2009-01-24 Jakub Jelinek <jakub@redhat.com>
5778 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5781 2009-01-24 Julian Brown <julian@codesourcery.com>
5783 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5784 config/arm/linux-atomic.c.
5785 * config/arm/linux-atomic.c: New.
5787 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5789 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5790 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5791 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5793 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5796 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5799 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5801 PR tree-optimization/38953
5802 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5803 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5804 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5805 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5808 2009-01-24 Paul Brook <paul@codesourcery.com>
5810 * config/arm/neon.md (neon_type): Move to arm.md.
5811 (neon_mov<VSTRUCT>): Add neon_type attribute.
5812 * config/arm/arm.md (neon_type): Move to here.
5813 (conds): Add "unconditioal" and use as default for NEON insns.
5815 2009-01-24 Ben Elliston <bje@au.ibm.com>
5817 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5818 void *' warning from -Wc++-compat.
5819 * Makefile.in (dominance.o-warn): Remove.
5821 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5823 PR tree-optimization/38932
5824 * fold-const.c (fold_unary_ignore_overflow): New.
5825 * tree.h (fold_unary_ignore_overflow): Declare.
5826 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5827 * tree-ssa-sccvn.c (visit_reference_op_load,
5828 simplify_unary_expression): Likewise.
5830 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5832 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5833 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5834 regardless of their type.
5835 * c-common.c (handle_packed_attribute): Don't ignore packed on
5837 * c.opt (Wpacked-bitfield-compat): New warning option.
5838 * stor-layout.c (place_field): Warn if offset of a field changed.
5839 * doc/extend.texi (packed): Mention the ABI change.
5840 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5841 (Warning Options): Add it to the list.
5843 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5845 * c-opts.c (c_common_post_options): Fix a typo in comments.
5847 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5850 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5851 variables to static.
5852 * doc/invoke.texi (-fmerge-all-constants): Update description.
5854 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5857 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5858 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5860 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5862 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5864 (LOCAL_ALIGNMENT): Similarly.
5866 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5867 Joseph Myers <joseph@codesourcery.com>
5869 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5870 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5871 * config/arm/arm-tune.md: Regenerate.
5872 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5875 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5877 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5878 version number to five.
5880 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5883 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5884 * c-common.c (set_underlying_type): Likewise.
5885 (is_typedef_decl ): Likewise
5887 (set_underlying_type): Likewise.
5888 (is_typedef_type): Likewise.
5890 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5893 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5896 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5899 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5900 (LIBGCC_SPEC): Don't define.
5901 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5903 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5905 PR rtl-optimization/38879
5906 * alias.c (base_alias_check): Unaligned access via AND address can
5907 alias all surrounding object types except those with sizes equal
5908 or wider than the size of unaligned access.
5910 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5913 * c-decl.c (clone_underlying_type): Move this ...
5914 * c-common.c (set_underlying_type): ... here.
5915 Also, make sure the function properly sets TYPE_STUB_DECL() on
5916 the newly created typedef variant type.
5917 (is_typedef_decl ): New entry point.
5918 * tree.h: Added a new member member_types_needing_access_check to
5919 struct tree_decl_non_common.
5920 (set_underlying_type): New entry point.
5921 (is_typedef_type): Likewise.
5923 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5925 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5926 Check whether two instructions have memory references that
5927 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5928 are helper functions for traversing.
5929 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5930 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5931 not to draw dependency edge for instructions with non-conflicting
5934 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5937 * longlong.h: Update copyright years. Use soft-fp license notice.
5938 Sync __clz_tab declaration with glibc.
5940 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5943 * doc/extend.texi (syscall_linkage): New.
5944 (version_id): Modify.
5946 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5947 Richard Guenther <rguenther@suse.de>
5949 PR tree-optimization/38747
5950 PR tree-optimization/38748
5951 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5952 conversion if the base address is an indirect reference and the
5953 aliasing sets could cause issues.
5955 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5957 * common.opt (fgraphite, fgraphite-identity): Add comment for
5958 explaining why these options are not documented.
5960 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5962 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5963 gimple_call_lhs is NULL.
5965 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5968 * emit-rtl.c (adjust_address_1): Make sure memref is never
5971 2009-01-20 Ben Elliston <bje@au.ibm.com>
5973 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5974 const qualifier from arg parameter. Remove unnecessary cast to char *.
5975 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5976 const qualifier from arg 2.
5978 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5980 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5982 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5985 * rtl.h (reinit_regs): New prototype.
5986 * regclass.c: Include ira.h.
5988 * Makefile.in (regclass.o): Add ira.h.
5989 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5991 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5994 * c-common.c (handle_aligned_attribute): Use
5995 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5996 default alignment value.
5998 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6000 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6001 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6003 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6004 __BIGGEST_ALIGNMENT__.
6006 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6008 2009-01-18 Richard Guenther <rguenther@suse.de>
6010 PR tree-optimization/38819
6011 * tree-flow.h (operation_could_trap_helper_p): Declare.
6012 * tree-eh.c (operation_could_trap_helper_p): Export.
6013 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6014 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6015 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6016 are about to insert a possibly trapping instruction and fail
6019 2009-01-18 Andreas Schwab <schwab@suse.de>
6021 * doc/install.texi (Configuration): Remove obsolete paragraph
6022 about use of --with-gnu-ld with --with-gnu-as.
6024 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6026 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6027 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6028 Follow spelling conventions.
6030 2009-01-18 Ben Elliston <bje@au.ibm.com>
6032 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6033 C++ warning about implicit conversion from void * to struct
6035 (bitmap_obstack_free): Likewise for bitmap_element *.
6036 * Makefile.in (bitmap.o-warn): Remove.
6038 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6040 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6042 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6043 Tobias Grosser <tobi.grosser@amd.com>
6045 * graphite.c (graphite_trans_scop_block): Do not block single
6048 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6050 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6051 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6052 test with assertion.
6054 2009-01-16 Richard Guenther <rguenther@suse.de>
6056 PR tree-optimization/38835
6058 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6059 and INT + PTR -> (INT)(PTR p+ INT) folding.
6060 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6062 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6065 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6066 the subreg from a lowpart subreg if it is also casting the value.
6068 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6069 Tobias Grosser <tobi.grosser@amd.com>
6071 * graphite.c (compare_prefix_loops): New.
6072 (build_scop_canonical_schedules): Rewritten.
6073 (graphite_transform_loops): Move build_scop_canonical_schedules
6074 after build_scop_iteration_domain.
6076 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6077 Tobias Grosser <tobi.grosser@amd.com>
6079 * graphite.c (add_conditions_to_domain): Add the loops to
6080 the dimension of the iteration domain. Do copy the domain
6081 only when it exists.
6082 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6083 (add_conditions_to_constraints): New.
6084 (can_generate_code_stmt, can_generate_code): Removed.
6085 (gloog): Do not call can_generate_code.
6086 (graphite_transform_loops): Call add_conditions_to_constraints
6087 after building the iteration domain.
6089 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6091 PR tree-optimization/38789
6092 * tree-ssa-threadedge.c
6093 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6094 __builtin_constant_p.
6096 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6098 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6099 examined before deleting them.
6101 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6103 * function.c (aggregate_value_p): Correctly extract the function
6104 type from CALL_EXPR_FN lookup.
6106 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6108 * config/picochip/picochip.c (picochip_override_options): Revert
6109 CFI asm flag disable commited previously.
6111 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6112 Tobias Grosser <tobi.grosser@amd.com>
6113 Jan Sjodin <jan.sjodin@amd.com>
6115 * graphite.c (scan_tree_for_params): On substractions negate
6116 all the coefficients of the term.
6117 (clast_to_gcc_expression_red): New. Handle reduction expressions
6118 of more than two operands.
6119 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6120 (get_vdef_before_scop): Handle also the case of default definitions.
6122 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6124 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6125 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6126 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6128 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6129 Joey Ye <joey.ye@intel.com>
6132 * cfgexpand.c (expand_stack_alignment): Don't update stack
6133 boundary nor check incoming stack boundary here.
6134 (gimple_expand_cfg): Update stack boundary and check incoming
6135 stack boundary here.
6137 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6139 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6141 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6143 PR rtl-optimization/38245
6144 * calls.c (expand_call): Add stack arguments to
6145 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6146 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6147 in regs and partially in memory or BLKmode arguments.
6148 (emit_library_call_value_1): Add stack arguments to
6149 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6150 ACCUMULATE_OUTGOING_ARGS).
6151 * dce.c: Include tm_p.h.
6152 (find_call_stack_args): New function.
6153 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6155 (mark_insn): Call find_call_stack_args for CALL_Ps.
6156 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6157 forwards. Allocate and free arg_stores bitmap if needed, pass it
6158 down to deletable_insn_p, don't mark stores set in arg_stores
6159 bitmap, clear the bitmap at the beginning of each bb.
6160 * Makefile.in (dce.o): Depend on $(TM_P_H).
6162 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6165 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6166 to make sure the insn is a conditional test (bug 22599). Reformat a
6169 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6172 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6173 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6174 (gloog): Do not call cleanup_tree_cfg.
6175 (graphite_transform_loops): Call cleanup_tree_cfg after all
6176 scops have been code generated.
6178 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6179 * doc/gty.texi (Invoking the garbage collector): Added new node
6180 and section documenting ggc_collect.
6182 2009-01-14 Richard Guenther <rguenther@suse.de>
6184 PR tree-optimization/38826
6186 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6187 initialization notes only if we actually emitted a warning.
6188 (intra_create_variable_infos): Add constraints for a result decl
6189 that is passed by hidden reference.
6190 (build_pred_graph): Mark all related variables non-direct on
6193 2009-01-14 Nick Clifton <nickc@redhat.com>
6195 * ira-conflicts.c: Include addresses.h for the definition of
6197 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6198 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6200 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6203 * Makefile.in (ira-lives.o): Add except.h.
6205 * ira-lives.c: Include except.h.
6206 (process_bb_node_lives): Process can_throw_internal.
6208 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6210 PR rtl-optimization/38774
6211 * combine.c (simplify_set): When undoing cc_use change, don't do
6212 PUT_CODE on the newly created comparison, but instead put back the
6215 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6217 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6218 values. Remove duplicate arm8 entry.
6220 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6222 PR tree-optimization/38786
6223 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6224 the SSA_NAME case of expand_scalar_variables_expr.
6225 Set the type of an expression to the type of its assign statement.
6226 (expand_scalar_variables_expr): Also gather the scalar computation
6227 used to index the memory access. Do not pass loop_p.
6228 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6229 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6230 the gimple_stmt_iterator where it inserts new code.
6232 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6233 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6235 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6237 * graphite.h (debug_value): Removed.
6238 * graphite.c (debug_value): Removed.
6240 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6242 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6243 ldrd/strd with two 32-bit instructions.
6245 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6247 * config/arm/arm.c (struct processors): Pass for speed down into
6248 cost helper functions.
6249 (const_ok_for_op): Handle COMPARE and inequality nodes.
6250 (arm_rtx_costs_1): Rewrite.
6251 (arm_size_rtx_costs): Update prototype.
6252 (arm_rtx_costs): Pass speed down to helper functions.
6253 (arm_slowmul_rtx_costs): Rework cost calculations.
6254 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6255 (arm_9e_rtx_costs): Likewise.
6257 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6259 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6260 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6261 (alpha_legitimize_address): Do not split local symbols wider than
6262 UNITS_PER_WORD into HIGH/LO_SUM parts.
6264 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6267 * gcc.c (process_command): Replace call to execvp with calls
6268 to pex_one and exit.
6270 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6273 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6274 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6275 variant for devices with 3-byte PC.
6276 (__tablejump_elpm__): New.
6278 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6281 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6282 offsetof member-designator, handle it as `[0].'.
6284 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6286 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6287 function when not using named sections on targets with named sections
6288 if branch distance is less than 262132.
6290 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6292 * combine.c (combine_instructions): Recompute
6293 optimize_this_for_speed_p for each BB in the main combine loop.
6295 2009-01-12 Tomas Bily <tbily@suse.cz>
6298 * tree-loop-distribution.c (prop_phis): New function.
6299 (generate_builtin): Call prop_phis.
6300 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6302 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6304 PR tree-optimization/38807
6305 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6306 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6308 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6310 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6311 subreg of op0 to the original op0.
6313 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6315 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6317 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6320 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6321 starting with digits.
6323 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6326 * config/arm/arm.c (arm_is_long_call_p): Don't call
6327 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6329 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6331 * regrename.c (regrename_optimize): Fix dumping.
6332 (find_oldest_value_reg): Preserve REG_POINTER.
6333 (copy_hardreg_forward_1): Likewise.
6335 2009-01-09 Diego Novillo <dnovillo@google.com>
6337 * gimple.h (struct gimple_statement_base) <uid>: Document
6338 the restrictions on its use.
6340 (gimple_set_uid): Tidy.
6342 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6344 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6345 zero guard even if align_bytes != 0 and count is smaller than
6348 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6350 PR rtl-optimization/38495
6351 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6352 (add_range_and_copies_from_move_list): Print all added ranges.
6353 Add ranges to memory optimized destination.
6355 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6359 * config/i386/i386.c (override_options): Reject
6360 -mstringop-strategy=rep_8byte with -m32.
6361 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6362 to 1. Do count comparison against epilogue_size_needed at compile
6363 time even when count_exp was constant forced into register. For
6364 size_needed don't jump to epilogue, instead just avoid aligning
6365 and invoke the body algorithm. If need_zero_guard, add zero guard
6366 even if count is non-zero, but smaller than size_needed + number of
6367 bytes that could be stored for alignment.
6368 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6369 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6370 but smaller than size_needed + number of bytes that could be stored
6371 for alignment. Compare size_needed with epilogue_size_needed instead
6372 of desired_align - align, don't adjust size_needed, pass
6373 epilogue_size_needed to the epilogue expanders.
6376 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6378 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6380 * pa.c (last_address): Change to unsigned.
6381 (update_total_code_bytes): Change argument to unsigned. Don't
6382 check if insn addresses are set.
6383 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6384 addresses are not set.
6385 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6387 2009-01-09 Nick Clifton <nickc@redhat.com>
6389 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6390 DECL_DECLARED_INLINE_P.
6392 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6395 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6396 GET_MODE (op0) in operand_subword_force calls.
6399 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6400 fold_convert arg0 operands to TREE_TYPE (op0) first.
6402 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6404 * params.def (ira-max-conflict-table-size): Decrease default value
6407 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6409 PR tree-optimization/37031
6410 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6412 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6413 allocate it using gc instead of heap, use VEC_quick_push instead of
6415 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6416 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6417 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6418 allocated vector from heap allocated.
6419 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6420 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6421 vector only after perfect_loop_nest_depth call.
6423 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6424 Jan Sjodin <jan.sjodin@amd.com>
6426 PR tree-optimization/38559
6427 * graphite.c (debug_value, copy_constraint,
6428 swap_constraint_variables, scale_constraint_variable, ): New.
6429 (get_lower_bound, get_upper_bound): Removed.
6430 (graphite_trans_bb_strip_mine): Clean up this code that works
6431 only for constant number of iterations. Fully copy upper and
6432 lower bound constraints, not only the constant part of them.
6433 * graphite.h (debug_value): Declared.
6435 2009-01-08 Ira Rosen <irar@il.ibm.com>
6437 PR tree-optimization/37194
6438 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6439 Don't add the cost of cost model guard in prologue to scalar
6440 outside cost in case of known number of iterations.
6442 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6443 Alan Modra <amodra@bigpond.net.au>
6445 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6446 non-word-aligned REG+CONST addressing.
6448 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6451 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6452 free_after_compilation when outputting a thunk.
6453 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6454 Do not call free_after_compilation here.
6456 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6458 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6459 (ix86_valid_target_attribute_inner_p): Ditto.
6461 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6463 PR tree-optimization/38492
6464 PR tree-optimization/38498
6465 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6466 * tree-chrec.h (scev_is_linear_expression): Declared.
6467 * graphite.c (graphite_cannot_represent_loop_niter): New.
6468 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6469 (graphite_loop_normal_form): Use gcc_assert.
6470 (scan_tree_for_params): Use CASE_CONVERT.
6471 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6472 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6473 Use gcc_assert. Discard scops that contain unhandled cases.
6474 (build_scop_conditions): Return a boolean status for unhandled cases.
6475 (strip_mine_profitable_p): Print the loop number, not its depth.
6476 (is_interchange_valid): Pass the depth of the loop nest, don't
6477 recompute it wrongly.
6478 (graphite_trans_bb_block): Same.
6479 (graphite_trans_bb_block): Print tentative of loop blocking.
6480 (graphite_trans_scop_block): Do not print that the loop has been
6482 (graphite_transform_loops): Do not handle scops that contain condition
6485 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6487 AVX Programming Reference (December, 2008)
6488 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6489 (_mm256_stream_pd): Likewise.
6490 (_mm256_stream_ps): Likewise.
6492 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6493 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6494 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6495 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6496 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6497 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6498 (ix86_expand_special_args_builtin): Likewise.
6500 * config/i386/sse.md (AVXMODEDI): New.
6501 (avx_movnt<mode>): Likewise.
6502 (avx_movnt<mode>): Likewise.
6503 (<sse>_movnt<mode>): Remove AVX support.
6504 (sse2_movntv2di): Likewise.
6506 2009-01-07 Richard Guenther <rguenther@suse.de>
6509 * fold-const.c (extract_muldiv): Remove obsolete comment.
6510 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6511 to PLUS_EXPR canonicalization for the canonicalization.
6513 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6515 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6516 hosted cross-compilers generating less efficient code.
6518 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6520 * function.h (rtl_data): Add a dbr_scheduled_p field.
6521 * reorg.c (dbr_schedule): Set it.
6522 (gate_handle_delay_slots): Check it.
6523 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6524 (mips_reorg): Check flag_delayed_branch instead of
6525 mips_base_delayed_branch.
6526 (mips_override_options): Don't set mips_base_delayed_branch
6527 or flag_delayed_branch.
6529 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6531 PR rtl-optimization/38426.
6532 * ira.c (ira): Set current_function_is_leaf earlier.
6534 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6536 PR rtl-optimization/38722
6537 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6538 too early, only set a flag and modify after last possible
6541 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6544 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6545 * real.c (decimal_single_format): Correct values of emin and emax.
6546 (decimal_double_format): Ditto.
6547 (decimal_quad_format): Ditto.
6548 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6549 computation of DECnn_MIN and DECnn_MAX for corrected values of
6550 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6551 __DECnn_MIN__, and adjust its computation for the corrected value
6554 2009-01-06 Jan Hubicka <jh@suse.cz>
6557 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6559 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6561 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6562 Add Robert Clark to the list of testers.
6564 2009-01-06 Jan Hubicka <jh@suse.cz>
6565 Kai Tietz <kai.tietz@onevision.com>
6567 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6568 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6570 2009-01-06 Jan Hubicka <jh@suse.cz>
6571 Kai Tietz <kai.tietz@onevision.com>
6573 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6575 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6576 (ix86_nsaved_regs): Count only general purpose regs.
6577 (ix86_nsaved_sseregs): New.
6578 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6579 to 16 for w64; compute padding and size of sse reg save area.
6580 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6581 general purpose regs.
6582 (ix86_emit_save_sse_regs_using_mov): New.
6583 (ix86_expand_prologue): Save SSE regs if needed.
6584 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6585 (ix86_emit_restore_sse_regs_using_mov): New.
6586 (ix86_expand_epilogue): Save SSE regs if needed.
6588 2009-01-06 Jan Hubicka <jh@suse.cz>
6589 Kai Tietz <kai.tietz@onevision.com>
6591 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6592 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6593 functions when accumulate outgoing args is off.
6595 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6598 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6599 before using pseudos_have_intersected_live_ranges_p.
6601 * ira-int.h (ira_assert): Always define.
6603 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6605 AVX Programming Reference (December, 2008)
6606 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6607 (_mm256_permute2_pd): Likewise.
6608 (_mm_permute2_ps): Likewise.
6609 (_mm256_permute2_ps): Likewise.
6610 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6611 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6613 * config/i386/i386.c (ix86_builtins): Remove
6614 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6615 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6616 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6617 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6618 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6619 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6620 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6621 __builtin_ia32_vpermil2ps256.
6622 (ix86_init_mmx_sse_builtins): Updated.
6623 (ix86_expand_args_builtin): Likewise.
6625 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6627 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6628 long absolute calls when generating PA 2.0 code.
6630 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6632 PR rtl-optimization/38583
6633 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6635 * params.def (ira-max-conflict-table-size): New.
6637 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6639 * ira.h (ira_conflicts_p): New external definition.
6641 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6642 table. Report this. Return result of building.
6643 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6644 building conflict table.
6646 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6647 (ira_color): Use ira_conflicts_p.
6649 * global.c: Include ira.h.
6650 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6653 * Makefile.in (global.o): Add ira.h.
6655 * ira-build.c (mark_all_loops_for_removal,
6656 propagate_some_info_from_allocno): New.
6657 (remove_unnecessary_allocnos): Call
6658 propagate_some_info_from_allocno.
6659 (remove_low_level_allocnos): New.
6660 (remove_unnecessary_regions): Add parameter. Call
6661 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6662 parameter to remove_unnecessary_regions.
6663 (ira_build): Remove all regions but root if the conflict table was
6664 not built. Update conflict hard regs for allocnos crossing calls.
6666 * ira.c (ira_conflicts_p): New global.
6667 (ira): Define and use ira_conflicts_p.
6669 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6670 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6671 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6673 2009-01-06 Ben Elliston <bje@au.ibm.com>
6675 * gengtype-lex.l (YY_NO_INPUT): Define.
6677 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6680 * c-common.c (handle_vector_size_attribute): Also reject
6683 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6685 PR tree-optimization/38492
6686 * graphite.c (rename_map_elt, debug_rename_elt,
6687 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6688 rename_map_elt_info, eq_rename_map_elts,
6689 get_new_name_from_old_name, bb_in_sese_p): Moved around.
6690 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6691 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6692 (sese_build_livein_liveouts): New.
6693 (new_sese, free_sese): New.
6694 (new_scop): Call new_sese.
6695 (free_scop): Call free_sese.
6696 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6697 (register_old_new_names): Renamed register_old_and_new_names.
6698 (register_scop_liveout_renames, add_loop_exit_phis,
6699 insert_loop_close_phis, struct igp,
6700 default_liveout_before_guard, add_guard_exit_phis,
6701 insert_guard_phis, copy_renames): New.
6702 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6703 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6704 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6705 (scop_adjust_phis_for_liveouts): New.
6706 (gloog): Call scop_adjust_phis_for_liveouts.
6708 * graphite.h (struct sese): Documented. Added fields liveout,
6710 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6711 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6712 (struct scop): Added field liveout_renames.
6713 (SCOP_LIVEOUT_RENAMES): New.
6715 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6717 PR tree-optimization/38510
6718 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6719 (translate_clast): Call recompute_all_dominators before
6721 (gloog): Call recompute_all_dominators before graphite_verify.
6723 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6724 Jan Sjodin <jan.sjodin@amd.com>
6726 PR tree-optimization/38500
6727 * graphite.c (create_sese_edges): Call fix_loop_structure after
6730 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
6732 * config.gcc: Add m32r*-*-rtems*.
6733 * config/m32r/rtems.h: New file.
6735 2009-01-05 Ben Elliston <bje@au.ibm.com>
6737 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6738 (.po.pox): Likewise.
6739 (po/gcc.pot): Likewise.
6741 2009-01-04 David S. Miller <davem@davemloft.net>
6743 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6744 (STARTING_FRAME_OFFSET): Always set to zero.
6746 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6748 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6749 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6750 fixed-point types, and vectors of the same.
6752 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6754 * config/mips/sync.md (*mb_barrier): Rename to...
6755 (*memory_barrier): ...this.
6757 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6759 * doc/extend.texi (Function Attributes): Move @cindex after @item
6760 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6761 and put in alphabetical order. Fix 'target' name and put in order.
6762 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6765 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
6767 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6768 (memory_barrier): Expand as unspec instead of unspec_volatile.
6769 Remove mem:BLK from insn operands. Use Pmode scratch register.
6770 (*memory_barrier): Define as unspec instead of unspec_volatile.
6771 Use (match_dup 0) as input operand.
6773 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6774 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6775 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6776 scratch register. Remove operand 1.
6777 (*stbar): Define as unspec instead of unspec_volatile.
6778 Use (match_dup 0) as input operand, remove (const_int 8).
6779 (*membar): Define as unspec instead of unspec_volatile.
6780 Use (match_dup 0) as input operand, remove input operand 2.
6782 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6783 (memory_barrier): Expand as unspec instead of unspec_volatile.
6784 Remove mem:BLK from insn operands. Use Pmode scratch register.
6785 (*memory_barrier): Define as unspec instead of unspec_volatile.
6786 Use (match_dup 0) as input operand.
6788 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6789 Remove mem:BLK from insn operands. Use Pmode scratch register.
6790 Set volatile flag on operand 0.
6791 (*memory_barrier): New insn pattern.
6793 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6795 (*memory_barrier): Use (match_dup 0) as input operand.
6797 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6798 Remove mem:BLK from insn operands. Use Pmode scratch register.
6799 Set volatile flag on operand 0.
6800 (*mb_internal): New insn pattern.
6802 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6804 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6807 * function.c (struct temp_slot): Move to the section of the file
6808 that deals with temp slots. Remove field 'address'.
6809 (temp_slot_address_table): New hash table of address -> temp slot.
6810 (struct temp_slot_address_entry): New struct, items for the table.
6811 (temp_slot_address_compute_hash, temp_slot_address_hash,
6812 temp_slot_address_eq, insert_temp_slot_address): Support functions
6814 (find_temp_slot_from_address): Rewrite to use the new hash table.
6815 (remove_unused_temp_slot_addresses): Remove addresses of temp
6816 slots that have been made available.
6817 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6818 worker function for remove_unused_temp_slot_addresses.
6819 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6820 Add the temp slot address to the address -> temp slot map.
6821 (update_temp_slot_address): Update via insert_temp_slot_address.
6822 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6823 (pop_temp_slots): Likewise.
6824 (init_temp_slots): Allocate the address -> temp slot map, or empty
6825 the map if it is already allocated.
6826 (prepare_function_start): Initialize temp slot processing.
6828 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6831 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6832 Calculate the size of all stack vars assuming no packing of stack
6833 vars will happen, replacing a quadratic algorithm with a linear one.
6835 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6838 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6841 2009-01-03 Diego Novillo <dnovillo@google.com>
6843 * doc/contrib.texi: Update contributions.
6845 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6848 * builtins.c (fold_builtin_memory_op): Give up if either operand
6849 is volatile. Set srctype or desttype to non-qualified version
6853 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6856 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6858 PR rtl-optimization/35805
6859 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6860 problem if fast dce is able to remove any instructions.
6861 * dce.c (dce_process_block): Fix dump message.
6863 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6866 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6868 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6871 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6872 * tree-pretty-print.c (op_code_prio): New function.
6873 (op_prio): No longer static. Use op_code_prio.
6874 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6875 Use op_prio and op_code_prio to determine if () should be
6876 printed around operand(s) or not.
6878 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6879 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6880 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6881 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6882 pp_character instead of pp_string for single letter printing.
6884 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6886 * doc/extend.texi: Fix '#pragma GCC option' typo.
6888 2009-01-02 Richard Guenther <rguenther@suse.de>
6890 * doc/install.texi (--enable-checking): Mention different
6892 (--enable-stage1-checking): Document.
6894 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6897 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6898 case to be an error.
6900 2009-01-02 Ben Elliston <bje@au.ibm.com>
6902 * config/fp-bit.h (pack_d): Constify argument.
6903 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6904 (isnan): Constify argument.
6908 (_fpadd_parts): Constify return type.
6909 (_fpmul_parts): Likewise.
6910 (_fpdiv_parts): Likewise.
6912 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6915 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6916 warn about overwriting initializer with side-effects or
6917 -Woverride-init if !IMPLICIT.
6918 (output_init_element): Likewise. Pass IMPLICIT down to
6920 (process_init_element): Add IMPLICIT argument. Pass it down
6921 to output_init_element.
6922 (push_init_element, pop_init_level, set_designator): Adjust
6923 process_init_element callers.
6924 (set_nonincremental_init, set_nonincremental_init_from_string):
6925 Adjust add_pending_init callers.
6926 (output_pending_init_elements): Adjust output_init_element callers.
6927 * c-tree.h (process_init_element): Adjust prototype.
6928 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6929 process_init_element callers.
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