gcc/ChangeLog

   1 2009-04-15  Jan Hubicka  <jh@suse.cz>
   2
   3         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
   4         Wrong version of patch.
   5
   6 2009-04-15  Jan Hubicka  <jh@suse.cz>
   7
   8         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
   9
  10 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
  11
  12         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
  13         our distinct integral and vector types.
  14
  15 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
  16
  17         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
  18         * init.c (build_vtbl_address): Remove call to assemble_external.
  19
  20 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
  21
  22         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
  23         output for other floating point modes.
  24
  25 2009-04-14  Diego Novillo  <dnovillo@google.com>
  26
  27         * diagnostic.c (diagnostic_report_diagnostic): Do not
  28         warn about loaded plugins for DK_ERROR and DK_WARNING.
  29         * c-decl.c (declspecs_add_type): Move call to
  30         invoke_plugin_callbacks ...
  31         * c-parser.c (c_parser_declspecs): ... here.
  32         * plugin.c (dump_active_plugins): Tidy output.
  33
  34 2009-04-14  Diego Novillo  <dnovillo@google.com>
  35             Le-Chun Wu  <lcwu@google.com>
  36
  37         * configure.ac: Add --enable-plugin support.
  38         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
  39         * Makefile.in (PLUGIN_H): Define.
  40         Export ENABLE_PLUGIN and GMPINC to site.exp.
  41         Add PLUGINLIBS to link command.
  42         Add/modify dependencies for plugin.o and files including plugin.h.
  43         (plugin.o): New.
  44         * config.in: Regenerate.
  45
  46         * opts.c (common_handle_option): Handle OPT_fplugin_ and
  47         OPT_fplugin_arg_.
  48
  49 2009-04-14  Le-Chun Wu  <lcwu@google.com>
  50
  51         * tree-pass.h (register_one_dump_file): Add a prototype for
  52         register_one_dump_file.
  53         * toplev.c (compile_file): Call initialize_plugins.
  54         (do_compile): Call invoke_plugin_callbacks.
  55         (toplev_main): Call invoke_plugin_callbacks.
  56         * common.opt: Add -fplugin= and -fplugin-arg-.
  57         * gcc-plugin.h: New public header file for plugins to include.
  58         * plugin.c: New source file.
  59         * plugin.h: New internal header file.
  60         * passes.c (register_one_dump_file): Make it external.
  61
  62         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
  63
  64 2009-04-14  Diego Novillo  <dnovillo@google.com>
  65
  66         * doc/plugins.texi: New.
  67         * doc/gccint.texi: Add reference to Plugins chapter.
  68         * doc/invoke.texi: Document -fplugin and -fplugin-arg
  69         * diagnostic.c (diagnostic_report_diagnostic): Warn about
  70         loaded plugins, if any.
  71         * timevar.def (TV_PLUGIN_INIT): Define.
  72         (TV_PLUGIN_RUN): Define.
  73         * plugin.c: Include timevar.h
  74         (plugins_active_p): New.
  75         (dump_active_plugins): New.
  76         (debug_active_plugins): New.
  77
  78 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
  79
  80         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
  81         library paths.
  82         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
  83
  84 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
  85
  86         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
  87         the same as a minus without a shift.
  88
  89 2009-04-14  Nick Clifton  <nickc@redhat.com>
  90
  91         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
  92         comparisons with small integers will always produce a short
  93         branch.
  94
  95 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
  96
  97         Merge:
  98
  99         2008-12-19  Diego Novillo  <dnovillo@google.com>
 100
 101                 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
 102
 103 2000-04-14  Richard Guenther  <rguenther@suse.de>
 104
 105         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
 106         verification.
 107         (verify_gimple_assign_binary): Likewise.  Handle shifts and
 108         rotates correctly.
 109         (verify_gimple_phi): Print the mismatched argument position.
 110         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
 111         Fix types.
 112         (vect_update_init_of_dr): Likewise.
 113         * matrix-reorg.c (transform_access_sites): Do what the
 114         comment suggests.
 115         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
 116
 117 2009-04-13  Michael Eager <eager@eagercon.com>
 118
 119         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
 120         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
 121         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
 122         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
 123         remove duplicate config
 124
 125 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 126
 127         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
 128         file_name:line_number type locator of the call site.
 129
 130 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
 131
 132         * genautomata.c: Put blank after comma.
 133         (automaton_decls): New.
 134         (struct unit_usage): Add comments to member next.
 135         (store_alt_unit_usage): Keep the list ordered.
 136         (unit_present_on_list_p, equal_alternatives_p): New.
 137         (check_regexp_units_distribution): Check units distribution
 138         correctness correctly.
 139         (main): Don't write automata if error is found.  Return correct
 140         exit code.
 141
 142         * config/m68k/cf.md (cfv4_ds): Remove.
 143         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
 144         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
 145
 146         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
 147         power4-load-ext, power4-store, power4-store-update,
 148         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
 149         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
 150         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
 151         power4-sqrt, power4-isync): Modify reservation to make correct
 152         unit distribution to automata.
 153
 154         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
 155         power5-store-update, power5-two, power5-three, power5-lmul,
 156         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
 157
 158 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
 159
 160         * except.c (pass_set_nothrow_function_flags): Set name and add
 161         TODO_dump_func.
 162         (set_nothrow_function_flags): Mention in the dump file when
 163         changing a function to nothrow.
 164
 165 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
 166
 167         PR/39066
 168         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
 169         instead of unsigned long.
 170
 171 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 172
 173         * config/arm/arm.c (return_used_this_function): Remove.
 174         (arm_output_function_prologue): Remove use of
 175         return_used_this_function.
 176         (output_return_instruction): Replace use of
 177         return_used_this_function
 178         by cfun->machine->return_used_this_function.
 179         (arm_output_epilogue): Likewise.
 180         (arm_output_function_epilogue): Likewise.
 181         (thumb_unexpanded_epilogue): Likewise.
 182         * config/arm/arm.h (struct machine_function):
 183         New member return_used_this_function.
 184
 185 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
 186
 187         * doc/install.texi: Correct description of default directory for
 188         --with-gxx-include-dir.
 189
 190 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
 191
 192         * fold-const.c (build_range_check): Properly deal with enumeral and
 193         boolean base types.
 194
 195 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
 196
 197         * doc/invoke.texi (max_gcse_passes): Remove documentation.
 198         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
 199         * params.h (MAX_GCSE_PASSES): Remove.
 200         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
 201         in sequence.  Remove ability to run multiple passes.
 202         (bypass_jumps): Report run as third CPROP pass.
 203
 204 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
 205
 206         PR middle-end/39651
 207         * except.c (can_throw_external): Look at each insn in a SEQUENCE
 208         when deciding whether the whole SEQUENCE can throw.
 209
 210 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
 211
 212         PR target/39740
 213         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
 214         offseted label references.
 215
 216 2009-04-11  Jan Hubicka  <jh@suse.cz>
 217
 218         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
 219
 220 2009-04-11  Richard Guenther  <rguenther@suse.de>
 221
 222         PR middle-end/39732
 223         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
 224         return variables as TREE_ADDRESSABLE.
 225
 226 2009-04-11  Richard Guenther  <rguenther@suse.de>
 227
 228         PR tree-optimization/39713
 229         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
 230         reference trees have SSA_NAME operands.
 231
 232 2009-04-11  Richard Guenther  <rguenther@suse.de>
 233
 234         PR c/39712
 235         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
 236         address expressions.
 237
 238 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
 239
 240         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
 241         match changes in Cygwin 1.7
 242         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
 243         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
 244
 245 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
 246
 247         PR tree-optimization/39701
 248         * doc/invoke.texi (Optimization Options): Document change in
 249         meaning and initialization of -fdelete-null-pointer-checks.
 250
 251 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
 252
 253         PR middle-end/39701
 254         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
 255
 256         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
 257         here.
 258
 259         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
 260
 261 2009-04-10  Chao-ying Fu  <fu@mips.com>
 262
 263         * doc/tm.texi (Instruction Output): Document
 264         TARGET_ASM_FINAL_POSTSCAN_INSN.
 265         * target.h (final_postscan_insn): New field in asm_out.
 266         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
 267         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
 268         * final.c (final_scan_insn): Call
 269         targetm.asm_out.final_postscan_insn after outputting
 270         an asm macro and a normal instruction.
 271
 272         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
 273         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
 274         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
 275         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
 276         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
 277
 278 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
 279
 280         PR middle-end/39701
 281         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
 282         variables as non-NULL even with -fdelete-null-pointer-checks.
 283
 284 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
 285
 286         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
 287
 288 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 289
 290         PR target/39678
 291         * config/i386/i386.c (classify_argument): Handle SCmode with
 292         (bit_offset % 64) != 0.
 293
 294 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
 295
 296         * doc/invoke.texi (Optimize Options): Add cross-reference to
 297         -Q --help=optimizers examples.
 298
 299 2009-04-10  Ben Elliston  <bje@au.ibm.com>
 300
 301         PR target/36800
 302         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
 303         regalign for the reg == fpr and TDmode case.
 304
 305 2009-04-09  David Ayers  <ayers@fsfe.org>
 306
 307         PR objc/29200
 308         * objc/objc-act.c (warn_with_method): Remove helper function.
 309         (check_duplicates): Call warning and inform directly.
 310         (really_start_method): Likewise.
 311
 312 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
 313
 314         * expmed.c (expand_divmod): Always use a comparison for a division
 315         by a large unsigned integer.
 316
 317         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
 318         for things others than variables or functions as nonzero.
 319
 320 2009-04-09  Nick Clifton  <nickc@redhat.com>
 321
 322         * unwind-compat.c: Change copyright header to refer to version
 323         3 of the GNU General Public License with version 3.1 of the
 324         GCC Runtime Library Exception and to point readers at the
 325         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
 326         * config/alpha/crtfastmath.c: Likewise.
 327         * config/alpha/linux-unwind.h: Likewise.
 328         * config/alpha/qrnnd.asm: Likewise.
 329         * config/alpha/vms-crt0-64.c: Likewise.
 330         * config/alpha/vms-crt0.c: Likewise.
 331         * config/alpha/vms-dwarf2.asm: Likewise.
 332         * config/alpha/vms-dwarf2eh.asm: Likewise.
 333         * config/alpha/vms-psxcrt0-64.c: Likewise.
 334         * config/alpha/vms-psxcrt0.c: Likewise.
 335         * config/alpha/vms_tramp.asm: Likewise.
 336         * config/arc/initfini.c: Likewise.
 337         * config/arc/lib1funcs.asm: Likewise.
 338         * config/arm/bpabi-v6m.S: Likewise.
 339         * config/arm/bpabi.S: Likewise.
 340         * config/arm/bpabi.c: Likewise.
 341         * config/arm/crti.asm: Likewise.
 342         * config/arm/crtn.asm: Likewise.
 343         * config/arm/ieee754-df.S: Likewise.
 344         * config/arm/ieee754-sf.S: Likewise.
 345         * config/arm/lib1funcs.asm: Likewise.
 346         * config/arm/libunwind.S: Likewise.
 347         * config/arm/linux-atomic.c: Likewise.
 348         * config/arm/mmintrin.h: Likewise.
 349         * config/arm/pr-support.c: Likewise.
 350         * config/arm/unaligned-funcs.c: Likewise.
 351         * config/arm/unwind-arm.c: Likewise.
 352         * config/arm/unwind-arm.h: Likewise.
 353         * config/avr/libgcc.S: Likewise.
 354         * config/bfin/crti.s: Likewise.
 355         * config/bfin/crtlibid.s: Likewise.
 356         * config/bfin/crtn.s: Likewise.
 357         * config/bfin/lib1funcs.asm: Likewise.
 358         * config/bfin/linux-unwind.h: Likewise.
 359         * config/cris/arit.c: Likewise.
 360         * config/cris/cris_abi_symbol.c: Likewise.
 361         * config/darwin-64.c: Likewise.
 362         * config/darwin-crt2.c: Likewise.
 363         * config/darwin-crt3.c: Likewise.
 364         * config/darwin.h: Likewise.
 365         * config/dbxelf.h: Likewise.
 366         * config/dfp-bit.c: Likewise.
 367         * config/dfp-bit.h: Likewise.
 368         * config/elfos.h: Likewise.
 369         * config/fixed-bit.c: Likewise.
 370         * config/fixed-bit.h: Likewise.
 371         * config/fp-bit.c: Likewise.
 372         * config/fp-bit.h: Likewise.
 373         * config/fr30/crti.asm: Likewise.
 374         * config/fr30/crtn.asm: Likewise.
 375         * config/fr30/lib1funcs.asm: Likewise.
 376         * config/freebsd-spec.h: Likewise.
 377         * config/frv/cmovd.c: Likewise.
 378         * config/frv/cmovh.c: Likewise.
 379         * config/frv/cmovw.c: Likewise.
 380         * config/frv/frvbegin.c: Likewise.
 381         * config/frv/frvend.c: Likewise.
 382         * config/frv/lib1funcs.asm: Likewise.
 383         * config/glibc-stdint.h: Likewise.
 384         * config/h8300/clzhi2.c: Likewise.
 385         * config/h8300/crti.asm: Likewise.
 386         * config/h8300/crtn.asm: Likewise.
 387         * config/h8300/ctzhi2.c: Likewise.
 388         * config/h8300/fixunssfsi.c: Likewise.
 389         * config/h8300/lib1funcs.asm: Likewise.
 390         * config/h8300/parityhi2.c: Likewise.
 391         * config/h8300/popcounthi2.c: Likewise.
 392         * config/i386/ammintrin.h: Likewise.
 393         * config/i386/att.h: Likewise.
 394         * config/i386/avxintrin.h: Likewise.
 395         * config/i386/biarch64.h: Likewise.
 396         * config/i386/bmmintrin.h: Likewise.
 397         * config/i386/cpuid.h: Likewise.
 398         * config/i386/cross-stdarg.h: Likewise.
 399         * config/i386/crtfastmath.c: Likewise.
 400         * config/i386/crtprec.c: Likewise.
 401         * config/i386/cygming-crtbegin.c: Likewise.
 402         * config/i386/cygming-crtend.c: Likewise.
 403         * config/i386/cygwin.asm: Likewise.
 404         * config/i386/emmintrin.h: Likewise.
 405         * config/i386/gmm_malloc.h: Likewise.
 406         * config/i386/gthr-win32.c: Likewise.
 407         * config/i386/i386.h: Likewise.
 408         * config/i386/immintrin.h: Likewise.
 409         * config/i386/linux-unwind.h: Likewise.
 410         * config/i386/linux64.h: Likewise.
 411         * config/i386/mm3dnow.h: Likewise.
 412         * config/i386/mmintrin-common.h: Likewise.
 413         * config/i386/mmintrin.h: Likewise.
 414         * config/i386/nmmintrin.h: Likewise.
 415         * config/i386/pmm_malloc.h: Likewise.
 416         * config/i386/pmmintrin.h: Likewise.
 417         * config/i386/smmintrin.h: Likewise.
 418         * config/i386/sol2-c1.asm: Likewise.
 419         * config/i386/sol2-ci.asm: Likewise.
 420         * config/i386/sol2-cn.asm: Likewise.
 421         * config/i386/sol2-gc1.asm: Likewise.
 422         * config/i386/tmmintrin.h: Likewise.
 423         * config/i386/unix.h: Likewise.
 424         * config/i386/w32-unwind.h: Likewise.
 425         * config/i386/wmmintrin.h: Likewise.
 426         * config/i386/x86-64.h: Likewise.
 427         * config/i386/x86intrin.h: Likewise.
 428         * config/i386/xmmintrin.h: Likewise.
 429         * config/ia64/crtbegin.asm: Likewise.
 430         * config/ia64/crtend.asm: Likewise.
 431         * config/ia64/crtfastmath.c: Likewise.
 432         * config/ia64/crti.asm: Likewise.
 433         * config/ia64/crtn.asm: Likewise.
 434         * config/ia64/fde-glibc.c: Likewise.
 435         * config/ia64/lib1funcs.asm: Likewise.
 436         * config/ia64/linux-unwind.h: Likewise.
 437         * config/ia64/quadlib.c: Likewise.
 438         * config/ia64/unwind-ia64.c: Likewise.
 439         * config/linux.h: Likewise.
 440         * config/m32c/m32c-lib1.S: Likewise.
 441         * config/m32c/m32c-lib2-trapv.c: Likewise.
 442         * config/m32c/m32c-lib2.c: Likewise.
 443         * config/m32r/initfini.c: Likewise.
 444         * config/m68hc11/larith.asm: Likewise.
 445         * config/m68hc11/m68hc11-crt0.S: Likewise.
 446         * config/m68k/cf.md: Likewise.
 447         * config/m68k/crti.s: Likewise.
 448         * config/m68k/crtn.s: Likewise.
 449         * config/m68k/lb1sf68.asm: Likewise.
 450         * config/m68k/linux-unwind.h: Likewise.
 451         * config/mcore/crti.asm: Likewise.
 452         * config/mcore/crtn.asm: Likewise.
 453         * config/mcore/lib1.asm: Likewise.
 454         * config/mips/linux-unwind.h: Likewise.
 455         * config/mips/loongson.h: Likewise.
 456         * config/mips/mips16.S: Likewise.
 457         * config/mmix/crti.asm: Likewise.
 458         * config/mmix/crtn.asm: Likewise.
 459         * config/pa/fptr.c: Likewise.
 460         * config/pa/hpux-unwind.h: Likewise.
 461         * config/pa/lib2funcs.asm: Likewise.
 462         * config/pa/linux-atomic.c: Likewise.
 463         * config/pa/linux-unwind.h: Likewise.
 464         * config/pa/milli64.S: Likewise.
 465         * config/pa/quadlib.c: Likewise.
 466         * config/pa/stublib.c: Likewise.
 467         * config/picochip/libgccExtras/adddi3.asm: Likewise.
 468         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
 469         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
 470         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
 471         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
 472         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
 473         * config/picochip/libgccExtras/divmod15.asm: Likewise.
 474         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
 475         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
 476         * config/picochip/libgccExtras/longjmp.asm: Likewise.
 477         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
 478         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
 479         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
 480         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
 481         * config/picochip/libgccExtras/setjmp.asm: Likewise.
 482         * config/picochip/libgccExtras/subdi3.asm: Likewise.
 483         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
 484         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
 485         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
 486         * config/rs6000/750cl.h: Likewise.
 487         * config/rs6000/altivec.h: Likewise.
 488         * config/rs6000/biarch64.h: Likewise.
 489         * config/rs6000/crtresfpr.asm: Likewise.
 490         * config/rs6000/crtresgpr.asm: Likewise.
 491         * config/rs6000/crtresxfpr.asm: Likewise.
 492         * config/rs6000/crtresxgpr.asm: Likewise.
 493         * config/rs6000/crtsavfpr.asm: Likewise.
 494         * config/rs6000/crtsavgpr.asm: Likewise.
 495         * config/rs6000/darwin-asm.h: Likewise.
 496         * config/rs6000/darwin-fallback.c: Likewise.
 497         * config/rs6000/darwin-fpsave.asm: Likewise.
 498         * config/rs6000/darwin-ldouble.c: Likewise.
 499         * config/rs6000/darwin-tramp.asm: Likewise.
 500         * config/rs6000/darwin-unwind.h: Likewise.
 501         * config/rs6000/darwin-vecsave.asm: Likewise.
 502         * config/rs6000/darwin-world.asm: Likewise.
 503         * config/rs6000/e500crtres32gpr.asm: Likewise.
 504         * config/rs6000/e500crtres64gpr.asm: Likewise.
 505         * config/rs6000/e500crtres64gprctr.asm: Likewise.
 506         * config/rs6000/e500crtrest32gpr.asm: Likewise.
 507         * config/rs6000/e500crtrest64gpr.asm: Likewise.
 508         * config/rs6000/e500crtresx32gpr.asm: Likewise.
 509         * config/rs6000/e500crtresx64gpr.asm: Likewise.
 510         * config/rs6000/e500crtsav32gpr.asm: Likewise.
 511         * config/rs6000/e500crtsav64gpr.asm: Likewise.
 512         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
 513         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
 514         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
 515         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
 516         * config/rs6000/eabi-ci.asm: Likewise.
 517         * config/rs6000/eabi-cn.asm: Likewise.
 518         * config/rs6000/eabi.asm: Likewise.
 519         * config/rs6000/linux-unwind.h: Likewise.
 520         * config/rs6000/linux64.h: Likewise.
 521         * config/rs6000/paired.h: Likewise.
 522         * config/rs6000/paired.md: Likewise.
 523         * config/rs6000/ppc64-fp.c: Likewise.
 524         * config/rs6000/ppu_intrinsics.h: Likewise.
 525         * config/rs6000/rs6000.h: Likewise.
 526         * config/rs6000/si2vmx.h: Likewise.
 527         * config/rs6000/sol-ci.asm: Likewise.
 528         * config/rs6000/sol-cn.asm: Likewise.
 529         * config/rs6000/spe.h: Likewise.
 530         * config/rs6000/spu2vmx.h: Likewise.
 531         * config/rs6000/sysv4.h: Likewise.
 532         * config/rs6000/tramp.asm: Likewise.
 533         * config/rs6000/vec_types.h: Likewise.
 534         * config/s390/linux-unwind.h: Likewise.
 535         * config/s390/tpf-unwind.h: Likewise.
 536         * config/score/crti.asm: Likewise.
 537         * config/score/crtn.asm: Likewise.
 538         * config/sh/crt1.asm: Likewise.
 539         * config/sh/crti.asm: Likewise.
 540         * config/sh/crtn.asm: Likewise.
 541         * config/sh/divtab-sh4-300.c: Likewise.
 542         * config/sh/divtab-sh4.c: Likewise.
 543         * config/sh/divtab.c: Likewise.
 544         * config/sh/lib1funcs-4-300.asm: Likewise.
 545         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
 546         * config/sh/lib1funcs.asm: Likewise.
 547         * config/sh/lib1funcs.h: Likewise.
 548         * config/sh/linux-atomic.asm: Likewise.
 549         * config/sh/linux-unwind.h: Likewise.
 550         * config/sh/shmedia.h: Likewise.
 551         * config/sh/sshmedia.h: Likewise.
 552         * config/sh/ushmedia.h: Likewise.
 553         * config/sparc/crtfastmath.c: Likewise.
 554         * config/sparc/linux-unwind.h: Likewise.
 555         * config/sparc/sol2-c1.asm: Likewise.
 556         * config/sparc/sol2-ci.asm: Likewise.
 557         * config/sparc/sol2-cn.asm: Likewise.
 558         * config/spu/divmodti4.c: Likewise.
 559         * config/spu/divv2df3.c: Likewise.
 560         * config/spu/float_disf.c: Likewise.
 561         * config/spu/float_unsdidf.c: Likewise.
 562         * config/spu/float_unsdisf.c: Likewise.
 563         * config/spu/float_unssidf.c: Likewise.
 564         * config/spu/mfc_multi_tag_release.c: Likewise.
 565         * config/spu/mfc_multi_tag_reserve.c: Likewise.
 566         * config/spu/mfc_tag_release.c: Likewise.
 567         * config/spu/mfc_tag_reserve.c: Likewise.
 568         * config/spu/mfc_tag_table.c: Likewise.
 569         * config/spu/multi3.c: Likewise.
 570         * config/spu/spu_internals.h: Likewise.
 571         * config/spu/spu_intrinsics.h: Likewise.
 572         * config/spu/spu_mfcio.h: Likewise.
 573         * config/spu/vec_types.h: Likewise.
 574         * config/spu/vmx2spu.h: Likewise.
 575         * config/stormy16/stormy16-lib2.c: Likewise.
 576         * config/svr4.h: Likewise.
 577         * config/sync.c: Likewise.
 578         * config/v850/lib1funcs.asm: Likewise.
 579         * config/vxlib-tls.c: Likewise.
 580         * config/vxlib.c: Likewise.
 581         * config/vxworks-dummy.h: Likewise.
 582         * config/xtensa/crti.asm: Likewise.
 583         * config/xtensa/crtn.asm: Likewise.
 584         * config/xtensa/ieee754-df.S: Likewise.
 585         * config/xtensa/ieee754-sf.S: Likewise.
 586         * config/xtensa/lib1funcs.asm: Likewise.
 587         * config/xtensa/lib2funcs.S: Likewise.
 588         * config/xtensa/linux-unwind.h: Likewise.
 589         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
 590         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
 591         * coretypes.h: Likewise.
 592         * crtstuff.c: Likewise.
 593         * defaults.h: Likewise.
 594         * dwarf2.h: Likewise.
 595         * emutls.c: Likewise.
 596         * gbl-ctors.h: Likewise.
 597         * gcov-io.h: Likewise.
 598         * ginclude/float.h: Likewise.
 599         * ginclude/iso646.h: Likewise.
 600         * ginclude/stdarg.h: Likewise.
 601         * ginclude/stdbool.h: Likewise.
 602         * ginclude/stddef.h: Likewise.
 603         * ginclude/stdfix.h: Likewise.
 604         * ginclude/stdint-gcc.h: Likewise.
 605         * ginclude/tgmath.h: Likewise.
 606         * gthr-aix.h: Likewise.
 607         * gthr-dce.h: Likewise.
 608         * gthr-gnat.c: Likewise.
 609         * gthr-gnat.h: Likewise.
 610         * gthr-lynx.h: Likewise.
 611         * gthr-mipssde.h: Likewise.
 612         * gthr-nks.h: Likewise.
 613         * gthr-posix.c: Likewise.
 614         * gthr-posix.h: Likewise.
 615         * gthr-posix95.h: Likewise.
 616         * gthr-rtems.h: Likewise.
 617         * gthr-single.h: Likewise.
 618         * gthr-solaris.h: Likewise.
 619         * gthr-tpf.h: Likewise.
 620         * gthr-vxworks.h: Likewise.
 621         * gthr-win32.h: Likewise.
 622         * gthr.h: Likewise.
 623         * libgcc2.c: Likewise.
 624         * libgcc2.h: Likewise.
 625         * libgcov.c: Likewise.
 626         * tsystem.h: Likewise.
 627         * typeclass.h: Likewise.
 628         * unwind-c.c: Likewise.
 629         * unwind-compat.h: Likewise.
 630         * unwind-dw2-fde-compat.c: Likewise.
 631         * unwind-dw2-fde-darwin.c: Likewise.
 632         * unwind-dw2-fde-glibc.c: Likewise.
 633         * unwind-dw2-fde.c: Likewise.
 634         * unwind-dw2-fde.h: Likewise.
 635         * unwind-dw2.c: Likewise.
 636         * unwind-dw2.h: Likewise.
 637         * unwind-generic.h: Likewise.
 638         * unwind-pe.h: Likewise.
 639         * unwind-sjlj.c: Likewise.
 640         * unwind.inc: Likewise.
 641         * config/arm/neon-gen.ml: Change generated copyright header to
 642         refer to version 3 of the GNU General Public License with
 643         version 3.1 of the GCC Runtime Library Exception and to point
 644         readers at the COPYING3 and COPYING3.RUNTIME files and the
 645         FSF's license web page.
 646         * config/arm/arm_neon.h: Regenerate.
 647
 648 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
 649
 650         * config/cris/cris.md: Change copyright header to refer to version
 651         3 of the GNU General Public License.
 652         * doc/install.texi2html: Change copyright header to refer to version
 653         3 of the GNU General Public License and to point readers at the
 654         COPYING3 file and the FSF's license web page.
 655         * config/vax/linux.h: Likewise.
 656
 657 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
 658
 659         * config/i386/i386.md (cmpcc): New.
 660         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
 661         (sync_compare_and_swap_cc*): Delete.
 662
 663         * config/s390/s390.c (s390_compare_emitted): Remove.
 664         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
 665         s390_compare_emitted used to be handled.  Assert that modes match.
 666         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
 667         refer to sync_compare_and_swap_ccsi.
 668         * config/s390/s390.h (s390_compare_emitted): Remove.
 669         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
 670         instead of s390_compare_emitted.
 671         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
 672         instead of s390_compare_emitted.
 673         * config/s390/s390.md (cmpcc): New.
 674         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
 675         CC_REGNUM, do not pretend it's set.
 676         (sync_compare_and_swap_cc*): Delete.
 677         * config/s390/predicates.md (cc_reg_operand): New.
 678
 679         * expr.c (sync_compare_and_swap_cc): Delete.
 680         * optabs.h (sync_compare_and_swap_cc): Delete.
 681         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
 682         is being used with can_compare_p.
 683         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
 684         (find_cc_set): New.
 685         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
 686         look for a MODE_CC set instead.  Use emit_store_flag.
 687         (expand_compare_and_swap_loop): Likewise, with some additional
 688         complication to avoid a force_reg when useless.  Use
 689         emit_cmp_and_jump_insns.
 690         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
 691         * doc/md.texi (sync_compare_and_swap_cc): Merge with
 692         sync_compare_and_swap documentation.
 693
 694 2009-04-09  Jan Hubicka  <jh@suse.cz>
 695
 696         * except.c (find_prev_try): Break out from ....
 697         (duplicate_eh_regions): ... here; properly update prev_try pointers
 698         when duplication part of tree.
 699         (dump_eh_tree): Improve dumping.
 700         (verify_eh_region): New.
 701         (verify_eh_tree): Use it.
 702
 703 2009-04-06  Richard Guenther  <rguenther@suse.de>
 704
 705         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
 706         &ARRAY addresses by adjusting their types and prepending
 707         a conversion.
 708         * tree-cfg.c (verify_gimple_assign_single): Verify that
 709         addresses are correct.
 710
 711 2009-04-09  Richard Guenther  <rguenther@suse.de>
 712
 713         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
 714         indices into an array reference if possible.
 715         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
 716         Fold POINTER_PLUS_EXPR statements with invariant address.
 717
 718 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
 719
 720         PR target/39634
 721         * config.gcc (powerpc64-*-linux*): Always build biarch.
 722
 723 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
 724
 725         PR c/39613
 726         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
 727         it and pedwarn if this results in an INTEGER_CST.
 728
 729 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 730
 731         * doc/install.texi: Update minimum GMP version.  Remove obsolete
 732         text in MPFR section.
 733
 734 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
 735
 736         * dwarf2out.c (class_scope_p): New static inline.
 737         (class_or_namespace_scope_p): Use it.
 738         (gen_variable_die): Use DW_TAG_member tag for static data member
 739         declarations instead of DW_TAG_variable.
 740
 741         PR middle-end/39573
 742         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
 743         variables.
 744
 745 2009-04-08  Richard Guenther  <rguenther@suse.de>
 746
 747         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
 748         valueize random data.
 749
 750 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
 751
 752         * config.gcc (aix tm_file):  Add aix-stdint.h.
 753         (aix tm clause use_gcc_stdint):  Set to wrap.
 754         * config/rs6000/aix-stdint.h:  New file.
 755
 756 2009-04-08  Richard Guenther  <rguenther@suse.de>
 757
 758         PR middle-end/36291
 759         * tree-dfa.c (add_referenced_var): Do not recurse into
 760         global initializers.
 761         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
 762         exposed variables.
 763         (fold_const_aggregate_ref): Likewise.
 764
 765 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
 766
 767         * recog.c (ordered_comparison_operator): New.
 768         * gensupport.c (std_preds): Add it.
 769         * doc/md.texi (Machine-Independent Predicates): Document it.
 770
 771 2009-04-08  Jan Hubicka  <jh@suse.cz>
 772
 773         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
 774         * function.h (rtl_eh): Remove exception_handler_label_map.
 775         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
 776         remove_exception_handler_label, for_each_eh_label_1): Remove.
 777         (rtl_remove_unreachable_regions): Remove.
 778         (convert_from_eh_region_ranges): Do not remove unreachable regions.
 779         (find_exception_handler_labels): Don't build the hashtable.
 780         (maybe_remove_eh_handler): Remove.
 781         (for_each_eh_label): Rewrite to walk the tree.
 782         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
 783         * except.h (maybe_remove_eh_handler): Remove.
 784         * passes.c (init_optimization_passes): Schedule second EH cleanup
 785         before out-of-ssa.
 786         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
 787         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
 788
 789 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
 790
 791         * genoutput.c (validate_optab_operands): New.
 792         (gen_insn, gen_expand): Call it.
 793
 794         * genflags.c (gen_insn): Detect misused iterators.
 795         (main): Pass line_no to gen_insn, exit with status 1 on error.
 796
 797         * genextract.c (line_no): Make global.
 798         (VEC_safe_set_locstr): Change assertion to error message.
 799         (main): Exit with status 1 on error.
 800
 801 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
 802
 803         PR c/39614
 804         PR c/39673
 805         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
 806         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
 807         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
 808         * c-convert.c (convert): Do not call fold on results of conversion
 809         functions when the result is a C_MAYBE_CONST_EXPR.
 810         * c-parser.c (c_parser_postfix_expression): Do not fold condition
 811         of __builtin_choose_expr.
 812         * c-typeck.c (remove_c_maybe_const_expr): New.
 813         (build_unary_op, build_conditional_expr, build_compound_expr,
 814         build_binary_op, c_objc_common_truthvalue_conversion): Call
 815         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
 816         integer operands.
 817
 818 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
 819
 820         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
 821         CODE to produce a new one. Add a prototype to use fold_convert_const
 822
 823 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
 824
 825         PR bootstrap/39660
 826         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
 827         mix declarations and code.
 828
 829 2009-04-08  Ben Elliston  <bje@au.ibm.com>
 830
 831         * gcc.c: Replace `CC' with `GCC' throughout.
 832
 833 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
 834
 835         * doc/invoke.texi: Document Atom support.
 836
 837 2009-04-07  Jason Merrill  <jason@redhat.com>
 838
 839         PR c++/25185
 840         * c-common.h, c-common.c: Add flag_pretty_templates.
 841         * c-opts.c (c_common_handle_option): Set it.
 842         * c.opt: Add -fno-pretty-templates.
 843         * doc/invoke.texi (C++ Dialect Options): Likewise.
 844
 845 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
 846
 847         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
 848         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
 849         (ia64_expand_builtin): Likewise.
 850
 851 2009-04-07  Martin Jambor  <mjambor@suse.cz>
 852
 853         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
 854         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
 855         ADDR_EXPRS are include too.
 856
 857 2009-04-07  Richard Guenther  <rguenther@suse.de>
 858
 859         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
 860         decls are only used if passes as parameters or if they are
 861         local statics and the call is not to a builtin.
 862         (call_may_clobber_ref_p_1): Likewise.
 863
 864 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
 865
 866         * expr.c (do_store_flag): Remove last argument.  Simplify code
 867         to avoid duplication of tests already done by can_compare_p.
 868         (expand_expr_real_1): Adjust caller.
 869
 870 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
 871
 872         * optabs.c (can_compare_p): Test the predicate of a
 873         cbranch and cstore pattern.
 874
 875 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
 876
 877         * expr.c (convert_move): Use emit_store_flag instead of
 878         "emulating" it.
 879
 880 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
 881
 882         * config/i386/i386.c (ix86_compare_emitted): Remove.
 883         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
 884         ix86_compare_op0 like ix86_compare_emitted used to be handled.
 885         * config/i386/i386.h (ix86_compare_emitted): Remove.
 886         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
 887         instead of ix86_compare_emitted.
 888         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
 889
 890 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
 891
 892         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
 893         Add t-sysroot-suffix to tmake_file.
 894         * config/print-sysroot-suffix.sh: New file.
 895         * config/t-sysroot-suffix: New file.
 896
 897 2009-04-07  Ben Elliston  <bje@au.ibm.com>
 898
 899         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
 900         as the latter produces a warning when the target does not support
 901         infinity.
 902
 903 2009-04-07  Ben Elliston  <bje@au.ibm.com>
 904
 905         * dfp.c: Replace type punning assignments with memcpy throughout.
 906         * Makefile.in (dfp.o-warn): Remove.
 907
 908 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
 909
 910         PR target/39634
 911         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
 912         Include soft-fp/t-softfp after rs6000/t-linux64.
 913
 914 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
 915
 916         * stor-layout.c (set_sizetype): Use the full precision of their
 917         machine mode for bitsize types.
 918
 919 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
 920
 921         * config/i386/i386.md: Revert 2 accidental checkins.
 922
 923 2009-04-06  Joey Ye  <joey.ye@intel.com>
 924             Xuepeng Guo <xuepeng.guo@intel.com>
 925             H.J. Lu  <hongjiu.lu@intel.com>
 926
 927         Atom pipeline model, tuning and insn selection.
 928         * config.gcc (atom): Add atom config options and target.
 929
 930         * config/i386/atom.md: New.
 931
 932         * config/i386/i386.c (atom_cost): New cost.
 933         (m_ATOM): New macro flag.
 934         (initial_ix86_tune_features): Set m_ATOM.
 935         (x86_accumulate_outgoing_args): Likewise.
 936         (x86_arch_always_fancy_math_387): Likewise.
 937         (processor_target): Add Atom cost.
 938         (cpu_names): Add Atom cpu name.
 939         (override_options): Set Atom ISA.
 940         (ix86_issue_rate): New case PROCESSOR_ATOM.
 941         (ix86_adjust_cost): Likewise.
 942
 943         * config/i386/i386.h (TARGET_ATOM): New target macro.
 944         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
 945         (TARGET_OPT_AGU): New target option.
 946         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
 947         (processor_type): Add PROCESSOR_ATOM.
 948
 949         * config/i386/i386.md (cpu): Add new value "atom".
 950         (use_carry, movu): New attr.
 951         (atom.md): Include atom.md.
 952         (adddi3_carry_rex64): Set attr "use_carry".
 953         (addqi3_carry): Likewise.
 954         (addhi3_carry): Likewise.
 955         (addsi3_carry): Likewise.
 956         (*addsi3_carry_zext): Likewise.
 957         (subdi3_carry_rex64): Likewise.
 958         (subqi3_carry): Likewise.
 959         (subhi3_carry): Likewise.
 960         (subsi3_carry): Likewise.
 961         (x86_movdicc_0_m1_rex64): Likewise.
 962         (*x86_movdicc_0_m1_se): Likewise.
 963         (x86_movsicc_0_m1): Likewise.
 964         (*x86_movsicc_0_m1_se): Likewise.
 965         (*adddi_1_rex64): Emit add insn as much as possible.
 966         (*addsi_1): Likewise.
 967         (return_internal): Set atom_unit.
 968         (return_internal_long): Likewise.
 969         (return_pop_internal): Likewise.
 970         (*rcpsf2_sse): Set atom_sse_attr attr.
 971         (*qrt<mode>2_sse): Likewise.
 972         (*prefetch_sse): Likewise.
 973
 974         * config/i386/i386-c.c (ix86_target_macros_internal): New case
 975         PROCESSOR_ATOM.
 976         (ix86_target_macros_internal): Likewise.
 977
 978         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
 979         (*prefetch_sse_rex): Likewise.
 980         (sse_rcpv4sf2): Likewise.
 981         (sse_vmrcpv4sf2): Likewise.
 982         (sse_sqrtv4sf2): Likewise.
 983         (<sse>_vmsqrt<mode>2): Likewise.
 984         (sse_ldmxcsr): Likewise.
 985         (sse_stmxcsr): Likewise.
 986         (*sse_sfence): Likewise.
 987         (sse2_clflush): Likewise.
 988         (*sse2_mfence): Likewise.
 989         (*sse2_lfence): Likewise.
 990         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
 991         (<sse>_movup<ssemodesuffixf2c>): Likewise.
 992         (avx_movdqu<avxmodesuffix>): Likewise.
 993         (avx_lddqu<avxmodesuffix>): Likewise.
 994         (sse2_movntv2di): Change attr "type" to "ssemov".
 995         (sse2_movntsi): Likewise.
 996         (rsqrtv8sf2): Change attr "type" to "sseadd".
 997         (sse3_addsubv2df3): Set attr "atom_unit".
 998         (sse3_h<plusminus_insn>v4sf3): Likewise.
 999         (*sse2_pmaddwd): Likewise.
1000         (*vec_extractv2di_1_rex64): Likewise.
1001         (*vec_extractv2di_1_avx): Likewise.
1002         (sse2_psadbw): Likewise.
1003         (ssse3_phaddwv8hi3): Likewise.
1004         (ssse3_phaddwv4hi3): Likewise.
1005         (ssse3_phadddv4si3): Likewise.
1006         (ssse3_phadddv2si3): Likewise.
1007         (ssse3_phaddswv8hi3): Likewise.
1008         (ssse3_phaddswv4hi3): Likewise.
1009         (ssse3_phsubwv8hi3): Likewise.
1010         (ssse3_phsubwv4hi3): Likewise.
1011         (ssse3_phsubdv4si3): Likewise.
1012         (ssse3_phsubdv2si3): Likewise.
1013         (ssse3_phsubswv8hi3): Likewise.
1014         (ssse3_phsubswv4hi3): Likewise.
1015         (ssse3_pmaddubsw128): Likewise.
1016         (sse3_pmaddubsw: Likewise.
1017         (ssse3_palignrti): Likewise.
1018         (ssse3_palignrdi): Likewise.
1019
1020 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1021
1022         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1023
1024 2009-04-06  Richard Guenther  <rguenther@suse.de>
1025
1026         PR tree-optimization/28868
1027         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1028         of which PHI results we inserted.
1029         (insert_into_preds_of_block): Record inserted PHIs.
1030         (eliminate): Eliminate redundant PHI nodes.
1031         (init_pre): Init inserted_phi_names.
1032
1033 2009-04-06  Richard Guenther  <rguenther@suse.de>
1034
1035         PR tree-optimization/39643
1036         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1037         IMAGPART_EXPRs of complex constants.
1038         (execute_fold_all_builtins): If we folded a call queue
1039         TODO_update_address_taken.
1040
1041 2009-04-06  Jan Hubicka  <jh@suse.cz>
1042
1043         PR middle-end/39659
1044         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1045         flag.
1046
1047 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1048
1049         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1050         delay slot.
1051         (ic_invalidate_array): Likewise.
1052
1053 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1054
1055         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1056         alignment for library calls.
1057
1058 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1059
1060         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1061         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1062         * config/i386/mingw-stdint.h:  New file.
1063
1064 2009-04-05  Richard Guenther  <rguenther@suse.de>
1065
1066         PR tree-optimization/39648
1067         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1068         our &A vs. &A[0] IL deficiencies.
1069
1070 2009-04-04  Jan Hubicka  <jh@suse.cz>
1071
1072         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1073         removed toplevel regions.
1074         (sjlj_mark_call_sites): Likewise.
1075
1076 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1077
1078         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1079         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1080         * config/i386/cygwin-stdint.h:  New file.
1081
1082 2009-04-04  Richard Guenther  <rguenther@suse.de>
1083
1084         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1085         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1086         single-argument PHIs if we are in loop-closed SSA form.
1087         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1088         for the pre-condition.
1089         (slpeel_tree_peel_loop_to_edge): Likewise.
1090         (vect_build_loop_niters): Take an optional sequence to append stmts.
1091         (vect_generate_tmps_on_preheader): Likewise.
1092         (vect_do_peeling_for_loop_bound): Take extra guards for the
1093         pre-condition.
1094         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1095         the cost model check.
1096         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1097         guards if we are going to peel.  Do not apply versioning in that case.
1098         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1099         (vect_do_peeling_for_loop_bound): Likewise.
1100         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1101         loop bound only record extra pre-conditions, do not apply loop
1102         versioning.
1103
1104 2009-04-04  Richard Guenther  <rguenther@suse.de>
1105
1106         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1107         renaming code.
1108
1109 2009-04-04  Jan Hubicka  <jh@suse.cz>
1110
1111         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1112         last_basic_block for size of bb->index indexed array.
1113         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1114         compute_out, link_btr_uses, build_btr_def_use_webs,
1115         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1116
1117 2009-04-04  Jan Hubicka  <jh@suse.cz>
1118
1119         * except.c (remove_eh_handler_and_replace): Break out from ...
1120         (remove_eh_handler): ... here.
1121         (bring_to_root): New function.
1122         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1123         handled ones, bring others to root of tree.
1124
1125 2009-04-04  Jan Hubicka  <jh@suse.cz>
1126
1127         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1128         (all_phis_safe_to_merge): New function.
1129         (update_info): New structure.
1130         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1131         (cleanup_empty_eh): Update SSA if possible.
1132
1133 2009-04-04  Richard Guenther  <rguenther@suse.de>
1134
1135         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1136         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1137         (append_vuse): Likewise.
1138
1139 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1140
1141         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1142         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1143         instead of REG_UNSAVED for DW_CFA_undefined.
1144         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1145         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1146         outermost frame.
1147
1148 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1149
1150         PR target/39501
1151         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1152         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1153         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1154
1155 2009-04-04  Richard Guenther  <rguenther@suse.de>
1156
1157         PR tree-optimization/8781
1158         PR tree-optimization/37892
1159         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1160         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1161         (valueize_refs): Call it for *& valueizations.
1162         (shared_reference_ops_from_ref): Rename to ...
1163         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1164         (shared_reference_ops_from_call): Rename to ...
1165         (valueize_shared_reference_ops_from_call): ... this and valueize.
1166         (vn_reference_lookup): Update.
1167         (visit_reference_op_call): Likewise.
1168         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1169         (eliminate): Value-replace the call address in call statements.
1170
1171 2009-04-04  Richard Guenther  <rguenther@suse.de>
1172
1173         PR tree-optimization/39636
1174         * tree-ssa-forwprop.c
1175         (forward_propagate_addr_into_variable_array_index): Check for
1176         GIMPLE_ASSIGN before accessing the rhs code.
1177
1178 2009-04-03  Jason Merrill  <jason@redhat.com>
1179
1180         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1181
1182 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1183
1184         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1185         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1186         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1187         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1188         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1189         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1190         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1191         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1192         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1193         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1194         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1195         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1196         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1197         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1198         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1199         Use fr_reg_or_fp01_operand instead of fr_register_operand
1200
1201         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1202         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1203         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1204
1205 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1206
1207         PR rtl-optimization/39607
1208         PR rtl-optimization/39631
1209
1210         Revert:
1211
1212         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1213         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1214         instead of DF_LR_OUT.
1215         * ira-lives.c (process_bb_node_lives): Ditto.
1216         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1217         instead of DF_LR_{OUT,IN}.
1218         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1219         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1220
1221 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1222
1223         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1224         (execute_lower_omp): Always run but take the short way out if -fopenmp
1225         is not given.
1226         (gate_lower_omp): Remove, forcing the pass manager to always run the
1227         pass and always set PROP_gimple_lomp.
1228         (pass_lower_omp): Remove gate function.
1229         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1230         PROP_trees.  Instead, require it.
1231         * ipa-cp.c (pass_ipa_cp): Likewise.
1232         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1233         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1234         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1235         and PROP_gimple_leh.
1236
1237 2009-04-03  Richard Guenther  <rguenther@suse.de>
1238
1239         PR middle-end/13146
1240         PR tree-optimization/23940
1241         PR tree-optimization/33237
1242         PR middle-end/33974
1243         PR middle-end/34093
1244         PR tree-optimization/36201
1245         PR tree-optimization/36230
1246         PR tree-optimization/38049
1247         PR tree-optimization/38207
1248         PR tree-optimization/38230
1249         PR tree-optimization/38301
1250         PR tree-optimization/38585
1251         PR middle-end/38895
1252         PR tree-optimization/38985
1253         PR tree-optimization/39299
1254         * tree-ssa-structalias.h: Remove.
1255         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1256         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1257         (struct vuse_element_d): Remove.
1258         (struct vuse_vec_d): Likewise.
1259         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1260         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1261         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1262         VUSE_ELEMENT_VAR): Likewise.
1263         (struct voptype_d): Likewise.
1264         (NUM_VOP_FREE_BUCKETS): Likewise.
1265         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1266         (struct stmt_operands_d): Remove.
1267         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1268         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1269         VDEF_NUM, VDEF_VECT): Likewise.
1270         (copy_virtual_operands): Remove.
1271         (operand_build_cmp): Likewise.
1272         (create_ssa_artificial_load_stmt): Likewise.
1273         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1274         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1275         vuse_index and mayuse_index members.  Pack and move done and iter_type
1276         members to the front.
1277         (SSA_OP_VMAYUSE): Remove.
1278         (SSA_OP_VIRTUAL_USES): Adjust.
1279         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1280         (unlink_stmt_vdef): Declare.
1281         (add_to_addressable_set): Remove.
1282         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1283         (vrp_visit_stmt): Likewise.
1284         * doc/tree-ssa.texi (Alias analysis): Update.
1285         * doc/invoke.texi (max-aliased-vops): Remove docs.
1286         (avg-aliased-vops): Likewise.
1287         * tree-into-ssa.c (syms_to_rename): Remove.
1288         (need_to_update_vops_p): Likewise.
1289         (need_to_initialize_update_ssa_p): Rename to ...
1290         (update_ssa_initialized_fn): ... this.  Track function we are
1291         initialized for.
1292         (symbol_marked_for_renaming): Simplify.
1293         (add_new_name_mapping): Do not set need_to_update_vops_p.
1294         (dump_currdefs): Use SYMS_TO_RENAME.
1295         (rewrite_update_stmt): Always walk all uses/defs.
1296         (dump_update_ssa): Adjust.
1297         (init_update_ssa): Take function argument.  Track what we are
1298         initialized for.
1299         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1300         (create_new_def_for): Initialize for cfun, assert we are initialized
1301         for cfun.
1302         (mark_sym_for_renaming): Simplify.
1303         (mark_set_for_renaming): Do not initialize update-ssa.
1304         (need_ssa_update_p): Simplify.  Take function argument.
1305         (name_mappings_registered_p): Assert we ask for the correct function.
1306         (name_registered_for_update_p): Likewise.
1307         (ssa_names_to_replace): Likewise.
1308         (release_ssa_name_after_update_ssa): Likewise.
1309         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1310         (dump_decl_set): Do not print a newline.
1311         (debug_decl_set): Do it here.
1312         (dump_update_ssa): And here.
1313         * tree-ssa-loop-im.c (move_computations): Adjust.
1314         (movement_possibility): Likewise.
1315         (determine_max_movement): Likewise.
1316         (gather_mem_refs_stmt): Likewise.
1317         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1318         or NAME_MEMORY_TAG.
1319         * tree-complex.c (update_all_vops): Remove.
1320         (expand_complex_move): Adjust.
1321         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1322         Simplify test for memory referencing statement.  Exclude
1323         non-invariant ADDR_EXPRs.
1324         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1325         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1326         (rdg_flag_uses): Likewise.
1327         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1328         related code.
1329         (tree_optimize_tail_calls_1): Also split the
1330         edge from the entry block if we have degenerate PHI nodes in
1331         the first basic block.
1332         * tree.c (init_ttree): Remove memory-tag related code.
1333         (tree_code_size): Likewise.
1334         (tree_node_structure): Likewise.
1335         (build7_stat): Re-write to be build6_stat.
1336         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1337         (SSA_VAR_P): Adjust.
1338         (struct tree_memory_tag): Remove.
1339         (struct tree_memory_partition_tag): Likewise.
1340         (union tree_node): Adjust.
1341         (build7): Re-write to be build6.
1342         * tree-pass.h (pass_reset_cc_flags): Remove.
1343         (TODO_update_address_taken): New flag.
1344         (pass_simple_dse): Remove.
1345         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1346         * params.h (MAX_ALIASED_VOPS): Remove.
1347         (AVG_ALIASED_VOPS): Likewise.
1348         * omp-low.c (expand_omp_taskreg): Update SSA form.
1349         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1350         aliases the lhs in a copy stmt.
1351         * tree-ssa-dse.c (struct address_walk_data): Remove.
1352         (memory_ssa_name_same): Likewise.
1353         (memory_address_same): Likewise.
1354         (get_kill_of_stmt_lhs): Likewise.
1355         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1356         unused stores.  Look through PHI nodes into post-dominated regions.
1357         (dse_optimize_stmt): Simplify.  Properly remove stores.
1358         (tree_ssa_dse): Compute dominators.
1359         (execute_simple_dse): Remove.
1360         (pass_simple_dse): Likewise.
1361         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1362         gimple_loaded_syms and gimple_stored_syms computation.
1363         * toplev.c (dump_memory_report): Dump alias and pta stats.
1364         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1365         (vn_reference_eq): Likewise.
1366         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1367         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1368         valueize_vuses): Remove.
1369         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1370         (get_def_ref_stmt_vuse): ... this.
1371         (vn_reference_lookup_2): New function.
1372         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1373         walking equivalent vuses.  Simplify.
1374         (vn_reference_lookup): Likewise.
1375         (vn_reference_insert): Likewise.
1376         (vn_reference_insert_pieces): Likewise.
1377         (visit_reference_op_call): Simplify.
1378         (visit_reference_op_load): Likewise.
1379         (visit_reference_op_store): Likewise.
1380         (init_scc_vn): Remove shared_lookup_vuses initialization.
1381         (free_scc_vn): Remove shared_lookup_vuses freeing.
1382         (sort_vuses, sort_vuses_heap): Remove.
1383         (get_ref_from_reference_ops): Export.
1384         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1385         vector with single vuse pointer.
1386         (vn_reference_lookup_pieces, vn_reference_lookup,
1387         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1388         (shared_vuses_from_stmt): Remove.
1389         (get_ref_from_reference_ops): Declare.
1390         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1391         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1392         memory-tag related code.
1393         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1394         (likely_value): Add comment, skip static-chain of call statements.
1395         (surely_varying_stmt_p): Adjust.
1396         (gimplify_and_update_call_from_tree): Likewise.
1397         (execute_fold_all_builtins): Do not rebuild alias info.
1398         (gimplify_and_update_call_from_tree): Properly update VOPs.
1399         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1400         (copy_ref_info): Remove memory-tag related code.
1401         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1402         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1403         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1404         computation.
1405         * tree-ssa-dom.c (gimple_p): Remove typedef.
1406         (eliminate_redundant_computations): Adjust.
1407         (record_equivalences_from_stmt): Likewise.
1408         (avail_expr_hash): Likewise.
1409         (avail_expr_eq): Likewise.
1410         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1411         (stmt_makes_single_load): Likewise.
1412         (stmt_makes_single_store): Likewise.
1413         * tree-ssa-alias.c: Rewrite completely.
1414         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1415         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1416         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1417         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1418         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1419         Remove public functions.
1420         (pass_reset_cc_flags): Remove.
1421         (pass_build_alias): Move ...
1422         * tree-ssa-structalias.c (pass_build_alias): ... here.
1423         * tree-ssa-alias.c (may_be_aliased): Move ...
1424         * tree-flow-inline.h (may_be_aliased): ... here.
1425         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1426         count_uses_and_derefs): Move ...
1427         * gimple.c: ... here.
1428         * gimple.h (count_uses_and_derefs): Declare.
1429         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1430         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1431         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1432         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1433         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1434         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1435         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1436         New functions.
1437         * tree-dfa.c (refs_may_alias_p): Move ...
1438         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1439         * tree-ssa-alias.h: New file.
1440         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1441         (statement_sink_location): Likewise.
1442         * opts.c (decode_options): Do not adjust max-aliased-vops or
1443         avg-aliased-vops values.
1444         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1445         (TV_CALL_CLOBBER): Likewise.
1446         (TV_FLOW_SENSITIVE): Likewise.
1447         (TV_FLOW_INSENSITIVE): Likewise.
1448         (TV_MEMORY_PARTITIONING): Likewise.
1449         (TV_ALIAS_STMT_WALK): New timevar.
1450         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1451         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1452         (get_address_description): Remove memory-tag related code.
1453         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1454         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1455         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1456         and immediate uses in statements.  Document.
1457         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1458         (dump_symbols): Remove.
1459         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1460         * alias.c (get_deref_alias_set): New function split out from ...
1461         (get_alias_set): ... here.
1462         * alias.h (get_deref_alias_set): Declare.
1463         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1464         type parameter.  Remove restrict pointer handling.  Create a
1465         ref-all pointer in case type-based alias sets do not conflict.
1466         (vect_analyze_data_refs): Remove SMT related code.
1467         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1468         (vectorizable_load): Likewise.
1469         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1470         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1471         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1472         Ignore vops and SMTs.
1473         (dr_analyze_alias): Likewise..
1474         (free_data_ref): Likewise.
1475         (create_data_ref): Likewise.
1476         (analyze_all_data_dependences): Likewise.
1477         (get_references_in_stmt): Adjust.
1478         * tree-flow-inline.h (gimple_aliases_computed_p,
1479         gimple_addressable_vars, gimple_call_clobbered_vars,
1480         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1481         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1482         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1483         gimple_mem_ref_stats): Remove.
1484         (gimple_vop): New function.
1485         (op_iter_next_use): Remove vuses and mayuses cases.
1486         (op_iter_next_def): Remove vdefs case.
1487         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1488         (clear_and_done_ssa_iter): Do not set removed fields.
1489         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1490         Assert we are not iterating over vuses or vdefs if not also
1491         iterating over uses or defs.
1492         (op_iter_init_use): Likewise.
1493         (op_iter_init_def): Likewise.
1494         (op_iter_next_vdef): Remove.
1495         (op_iter_next_mustdef): Likewise.
1496         (op_iter_init_vdef): Likewise.
1497         (compare_ssa_operands_equal): Likewise.
1498         (link_use_stmts_after): Handle vuse operand.
1499         (is_call_used): Use is_call_clobbered.
1500         (is_call_clobbered): Global variables are always call clobbered,
1501         query the call-clobbers bitmap.
1502         (mark_call_clobbered): Ignore global variables.
1503         (clear_call_clobbered): Likewise.
1504         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1505         virtual operands sanity check.
1506         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1507         Remove.
1508         (TARGET_MEM_REF): Remove TMR_TAG operand.
1509         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1510         Remove call-clobber related code.
1511         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1512         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1513         partitions or escape reason.
1514         (get_single_def_stmt, get_single_def_stmt_from_phi,
1515         get_single_def_stmt_with_phi): Remove.
1516         (dump_referenced_vars): Tidy.
1517         (get_ref_base_and_extent): Allow bare decls.
1518         (collect_dfa_stats): Adjust.
1519         * graphite.c (rename_variables_in_stmt): Adjust.
1520         (graphite_copy_stmts_from_block): Likewise.
1521         (translate_clast): Likewise.
1522         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1523         (EXPR_DIES): New.
1524         (translate_vuse_through_block): Use the oracle.
1525         (phi_translate_1): Adjust.
1526         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1527         in EXPR_DIES.
1528         (valid_in_sets): Check if the VUSE for
1529         a REFERENCE is available.
1530         (eliminate): Do not remove stmts during elimination,
1531         instead queue and remove them afterwards.
1532         (do_pre): Do not rebuild alias info.
1533         (pass_pre): Run TODO_rebuild_alias before PRE.
1534         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1535         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1536         (mark_all_v_defs_stmt): Remove.
1537         (mark_all_v_defs_seq): Adjust.
1538         (sra_replace): Likewise.
1539         (scalarize_use): Likewise.
1540         (scalarize_copy): Likewise.
1541         (scalarize_init): Likewise.
1542         (scalarize_ldst): Likewise.
1543         (todoflags): Remove.
1544         (tree_sra): Do not rebuild alias info.
1545         (tree_sra_early): Adjust.
1546         (pass_sra): Run TODO_update_address_taken before SRA.
1547         * tree-predcom.c (set_alias_info): Remove.
1548         (prepare_initializers_chain): Do not call it.
1549         (mark_virtual_ops_for_renaming): Adjust.
1550         (mark_virtual_ops_for_renaming_list): Remove.
1551         (initialize_root_vars): Adjust.
1552         (initialize_root_vars_lm): Likewise.
1553         (prepare_initializers_chain): Likewise.
1554         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1555         (may_propagate_copy_into_stmt): Likewise.
1556         (merge_alias_info): Do nothing for now.
1557         (propagate_tree_value_into_stmt): Adjust.
1558         (stmt_may_generate_copy): Likewise.
1559         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1560         not mark symbols for renaming.
1561         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1562         with the same statement, make sure to update the new pointed-to one.
1563         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1564         call statements, do not mark symbols for renaming.
1565         (mark_operand_necessary): Dump something.
1566         (ref_may_be_aliased): New function.
1567         (mark_aliased_reaching_defs_necessary_1): New helper function.
1568         (mark_aliased_reaching_defs_necessary): Likewise.
1569         (mark_all_reaching_defs_necessary_1): Likewise.
1570         (mark_all_reaching_defs_necessary): Likewise.
1571         (propagate_necessity): Do not process virtual PHIs.  For
1572         non-aliased loads mark all reaching definitions as necessary.
1573         For aliased loads and stores mark the immediate dominating
1574         aliased clobbers as necessary.
1575         (visited): New global static.
1576         (perform_tree_ssa_dce): Free visited bitmap after propagating
1577         necessity.
1578         (remove_dead_phis): Perform simple dead virtual PHI removal.
1579         (remove_dead_stmt): Properly unlink virtual operands when
1580         removing stores.
1581         (eliminate_unnecessary_stmts): Schedule PHI removal after
1582         stmt removal.
1583         * tree-ssa-ter.c (is_replaceable_p): Adjust.
1584         (process_replaceable): Likewise.
1585         (find_replaceable_in_bb): Likewise.
1586         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1587         based on the single gimple vop.
1588         (verify_flow_insensitive_alias_info): Remove.
1589         (verify_flow_sensitive_alias_info): Likewise.
1590         (verify_call_clobbering): Likewise.
1591         (verify_memory_partitions): Likewise.
1592         (verify_alias_info): Likewise.
1593         (verify_ssa): Adjust..
1594         (execute_update_addresses_taken): Export.  Update SSA
1595         manually.  Optimize only when optimizing.  Use a local bitmap.
1596         (pass_update_address_taken): Remove TODO_update_ssa, add
1597         TODO_dump_func.
1598         (pass_update_address_taken): Just use TODO_update_address_taken.
1599         (init_tree_ssa): Do not initialize addressable_vars.
1600         (verify_ssa): Verify new VUSE / VDEF properties.
1601         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1602         Do not call verify_alias_info.
1603         (delete_tree_ssa): Clear the VUSE, VDEF operands.
1604         Do not free the loaded and stored syms bitmaps.  Reset the escaped
1605         and callused solutions.  Do not free addressable_vars.
1606         Remove memory-tag related code.
1607         (warn_uninitialized_var): Aliases are always available.
1608         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1609         * lambda-code.c (can_put_in_inner_loop): Adjust.
1610         (can_put_after_inner_loop): Likewise.
1611         (perfect_nestify): Likewise.
1612         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1613         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1614         (vectorizable_conversion): Do not mark symbols for renaming.
1615         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1616         (expand_call_inline): Unlink the calls virtual operands before
1617         replacing it.
1618         (tree_function_versioning): Do not call update_ssa if we are not
1619         updating clones.  Simplify.
1620         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1621         (propagate_with_phi): Likewise..
1622         * tree-outof-ssa.c (create_temp): Remove memory tag and call
1623         clobber code.  Assert we are not aliased or global.
1624         * tree-flow.h: Include tree-ssa-alias.h
1625         (enum escape_type): Remove.
1626         (struct mem_sym_stats_d): Likewise.
1627         (struct mem_ref_stats_d): Likewise.
1628         (struct gimple_df): Add vop member.  Remove global_var,
1629         call_clobbered_vars, call_used_vars, addressable_vars,
1630         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
1631         escaped and callused members.
1632         (struct ptr_info_def): Remove all members, add points-to solution
1633         member pt.
1634         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1635         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1636         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1637         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1638         (tree-ssa-alias.o): Likewise.
1639         (toplev.o): Add tree-ssa-alias.h
1640         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1641         * gimple.c (gimple_set_bb): Fix off-by-one error.
1642         (is_gimple_reg): Do not handle memory tags.
1643         (gimple_copy): Also copy virtual operands.
1644         Delay updating the statement.  Do not reset loaded and stored syms.
1645         (gimple_set_stored_syms): Remove.
1646         (gimple_set_loaded_syms): Likewise.
1647         (gimple_call_copy_skip_args): Copy the virtual operands
1648         and mark the new statement modified.
1649         * tree-ssa-structalias.c (may_alias_p): Remove.
1650         (set_uids_in_ptset): Take the alias set to prune with as
1651         parameter.  Fold in the alias test of may_alias_p.
1652         (compute_points_to_sets): Compute whether a ptr is dereferenced
1653         in a local sbitmap.
1654         (process_constraint): Deal with &ANYTHING on the lhs, reject all
1655         other ADDRESSOF constraints on the lhs.
1656         (get_constraint_for_component_ref): Assert that we don't get
1657         ADDRESSOF constraints from the base of the reference.
1658         Properly generate UNKNOWN_OFFSET for DEREF if needed.
1659         (struct variable_info): Remove collapsed_to member.
1660         (get_varinfo_fc): Remove.
1661         (new_var_info): Do not set collapsed_to.
1662         (dump_constraint): Do not follow cycles.
1663         (dump_constraint_graph): Likewise.
1664         (build_pred_graph): Likewise.
1665         (build_succ_graph): Likewise.
1666         (rewrite_constraints): Likewise.
1667         (do_simple_structure_copy): Remove.
1668         (do_rhs_deref_structure_copy): Remove.
1669         (do_lhs_deref_structure_copy): Remove.
1670         (collapse_rest_of_var): Remove.
1671         (do_structure_copy): Re-implement.
1672         (pta_stats): New global variable.
1673         (dump_pta_stats): New function.
1674         (struct constraint_expr): Make offset signed.
1675         (UNKNOWN_OFFSET): Define special value.
1676         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1677         (solution_set_expand): New helper function split out from ...
1678         (do_sd_constraint): ... here.
1679         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
1680         (do_ds_constraint): Likewise.
1681         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
1682         and CALLUSED = *CALLUSED.
1683         (set_union_with_increment): Make inc argument signed.
1684         (type_safe): Remove.
1685         (get_constraint_for_ptr_offset): Handle unknown and negative
1686         constant offsets.
1687         (first_vi_for_offset): Handle offsets before start.  Bail
1688         out early for offsets beyond the variable extent.
1689         (first_or_preceding_vi_for_offset): New function.
1690         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1691         Together with ESCAPED = *ESCAPED this properly computes reachability.
1692         (find_what_var_points_to): New function.
1693         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1694         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1695         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1696         pt_solutions_intersect): New functions.
1697         (compute_call_used_vars): Remove.
1698         (compute_may_aliases): New main entry into PTA computation.
1699         * gimple.h (gimple_p): New typedef.
1700         (struct gimple_statement_base): Remove references_memory_p.
1701         (struct gimple_statement_with_memory_ops_base): Remove
1702         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
1703         members.
1704         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1705         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1706         gimple_set_references_memory): Remove.
1707         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1708         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1709         New functions.
1710         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1711         (verify_expr): Allow RESULT_DECL.
1712         (gimple_duplicate_bb): Do not copy virtual operands.
1713         (gimple_duplicate_sese_region): Adjust.
1714         (gimple_duplicate_sese_tail): Likewise.
1715         (mark_virtual_ops_in_region): Remove.
1716         (move_sese_region_to_fn): Do not call it.
1717         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1718         and pass_simple_dse.
1719         (execute_function_todo): Handle TODO_update_address_taken,
1720         call execute_update_addresses_taken for TODO_rebuild_alias.
1721         (execute_todo): Adjust.
1722         (execute_one_pass): Init dump files early.
1723         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1724         call-clobbered.
1725         (create_general_new_stmt): Clear vops.
1726         * tree-ssa-reassoc.c (get_rank): Adjust.
1727         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1728         symbols for renaming.
1729         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1730         (PARAM_AVG_ALIASED_VOPS): Likewise.
1731         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1732         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1733         * tree-ssa-operands.c: Simplify for new virtual operand representation.
1734         (operand_build_cmp, copy_virtual_operands,
1735         create_ssa_artificial_load_stmt, add_to_addressable_set,
1736         gimple_add_to_addresses_taken): Remove public functions.
1737         (unlink_stmt_vdef): New function.
1738
1739 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1740
1741         * config.gcc (powerpc-*-linux*): Merge variants.
1742
1743 2009-04-02  Chao-ying Fu  <fu@mips.com>
1744             James Grosbach <james.grosbach@microchip.com>
1745
1746         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1747         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1748         cop0_sp_offset.
1749         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1750         keep_interrupts_masked_p, use_debug_exception_return_p.
1751         (mips_attribute_table): Add interrupt, use_shadow_register_set,
1752         keep_interrupts_masked, use_debug_exception_return.
1753         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1754         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1755         New functions.
1756         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1757         (mips_print_operand): Process COP0 registers to print $0 .. $31
1758         correctly for GAS to process.
1759         (mips_interrupt_extra_call_saved_reg_p): New function.
1760         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1761         extra registers.
1762         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1763         (mips_compute_frame_info): Add supports for interrupt context that
1764         includes doubleword accumulators and COP0 registers.
1765         (mips_for_each_saved_acc): New function.
1766         (mips_for_each_saved_gpr_and_fpr): Change the function name from
1767         mips_for_each_saved_reg.
1768         (mips_save_reg): Save accumulators.
1769         (mips_kernel_reg_p): A new for_each_rtx callback.
1770         (mips_expand_prologue): Support interrupt handlers.
1771         (mips_restore_reg): Restore accumulators.
1772         (mips_expand_epilogue): Support interrupt handlers.
1773         (mips_can_use_return_insn): Return false for interrupt handlers.
1774         (mips_epilogue_uses): New function.
1775         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1776         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1777         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1778         cop0_move): New instructions.
1779         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1780         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1781         defines.
1782         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1783         New defines.
1784         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1785         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1786         interrupt handlers, we use K0 as the temporary register.
1787         (EPILOGUE_USES): Change to a function call.
1788         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1789         handlers, we use K0 as the temporary register.
1790
1791         * doc/extend.texi (Function Attributes): Document interrupt,
1792         use_shadow_register_set, keep_interrupts_masked,
1793         use_debug_exception_return for MIPS attributes.
1794
1795 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1796
1797         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1798         Remove a number of t-files from tmake_file.
1799         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1800         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1801         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1802         target_prototype, not TARGET_PROTOTYPE.
1803         (LINK_OS_GNU_SPEC): Define.
1804         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1805         and darwin-ldoubdle.c.
1806
1807 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1808
1809         PR driver/39293
1810         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1811         (cpp_options): Ditto.
1812         (default_compilers): Ditto.
1813         (display_help): Ditto.
1814         (process_command): Ditto.
1815         (do_spec_1): Ditto.
1816         (set_input): Use lbasename instead of duplicate code.
1817         (save_temps_prefix): New static for -save-temps=obj.
1818         (save_temps_length): Ditto.
1819
1820         * doc/invoke.texi (-save-temps=obj): Document new variant to
1821         -save-temps switch.
1822
1823 2009-04-02  Jeff Law  <law@redhat.com>
1824
1825         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1826         variable.
1827
1828 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1829
1830         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1831         * configure: Regenerated.
1832
1833 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1834
1835         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1836         share the argument list.
1837
1838 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1839
1840         Merge
1841
1842         2009-02-12  Diego Novillo  <dnovillo@google.com>
1843
1844         * varpool.c (debug_varpool): New.
1845         * cgraph.h (debug_varpool): Declare.
1846
1847 2009-04-02  Jan Hubicka  <jh@suse.cz>
1848
1849         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1850         pass.
1851
1852 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1853
1854         * config/i386/i386.c (ix86_abi): Move initialization to ...
1855         (override_options): Here.
1856
1857 2009-04-02  Christian Bruel  <christian.bruel@st.com>
1858
1859         * config/sh/sh.c (sh_dwarf_register_span): New function.
1860         (TARGET_DWARF_REGISTER_SPAN): Define.
1861         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1862
1863 2009-04-02  Ira Rosen  <irar@il.ibm.com>
1864
1865         PR tree-optimization/39595
1866         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1867         interleaved loads group is not  greater than the SLP group size.
1868
1869 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1870
1871         * builtins.c (is_builtin_name): New.
1872         (called_as_built_in): Use is_builtin_name.
1873         * tree.h (is_builtin_name): New.
1874         * varasm.c (incorporeal_function_p): Use is_builtin_name
1875
1876 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
1877
1878         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1879
1880 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
1881
1882         PR c++/26693
1883         * c-decl.c: (clone_underlying_type): Move this ...
1884         * c-common.c (set_underlying_type): ... here.
1885         Also, make sure the function properly sets TYPE_STUB_DECL() on
1886         the newly created typedef variant type.
1887         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1888         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1889         points.
1890
1891 2009-04-02  Richard Guenther  <rguenther@suse.de>
1892
1893         PR tree-optimization/37221
1894         * tree-flow.h (degenerate_phi_result): Declare.
1895         * tree-ssa-dom.c (degenerate_phi_result): Export.
1896         * tree-scalar-evolution.c (analyze_initial_condition): If
1897         the initial condition is defined by a degenerate PHI node
1898         use the degenerate value.
1899
1900 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
1901
1902         PR rtl-optimization/39588
1903         * combine.c (merge_outer_ops): Do not set the constant when this
1904         is not necessary.
1905         (simplify_shift_const_1): Do not modify it either in this case.
1906
1907 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1908
1909         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1910         tuning is deprecated if -mtune value is set to an Itanium1 variant.
1911
1912 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
1913
1914         PR c/29027
1915         * c-lex.c (interpret_float): Default (no suffix) is double.
1916
1917 2009-04-1  Xinliang David Li  <davidxl@google.com>
1918
1919         * config/i386/i386.c (legitimate_constant_p): Recognize
1920         all one vector constant.
1921
1922 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1923
1924         * gcc/config/vax/vax.c: Add #includes to silence warnings.
1925         Change #include order to silence two warnings.
1926
1927 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1928
1929         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1930         (ASM_SPEC): Pass -k to the assembler for PIC code.
1931
1932 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1933
1934         * gcc/config.gcc: Add vax-*-linux* to the switch.
1935         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1936         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1937
1938 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1939
1940         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1941         Use predicate macros instead of GET_CODE() == foo.
1942         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1943         ashlsi3, rotrsi3, <unnamed>): Likewise.
1944
1945 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1946
1947         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1948         jbbccihi, jbbccisi): Remova trailing whitespace.
1949         * gcc/config/vax/constraints.md: Likewise.
1950         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1951         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1952         * gcc/config/vax/predicates.md: Likewise.
1953         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1954         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1955         * gcc/config/vax/vax.h: Likewise.
1956         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1957
1958 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1959
1960         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1961         (indirectable_address_p, adjacent_operands_p): Add spaces around
1962         braces.
1963         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1964
1965 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1966
1967         * gcc/config/vax/vax.c (legitimate_constant_address_p,
1968         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1969         index_term_p, reg_plus_index_p, legitimate_address_p,
1970         vax_mode_dependent_address_p): Update comments to match functions
1971         modified by the recent int->bool conversion.
1972
1973 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1974
1975         * gcc/config/vax/builtins.md: Update copyright message.
1976         * gcc/config/vax/constraints.md: Likewise.
1977         * gcc/config/vax/netbsd-elf.h: Likewise.
1978         * gcc/config/vax/predicates.md: Likewise.
1979         * gcc/config/vax/vax-protos.h: Likewise.
1980         * gcc/config/vax/vax.c: Likewise.
1981         * gcc/config/vax/vax.h: Likewise.
1982         * gcc/config/vax/vax.md: Likewise.
1983         * gcc/config/vax/vax.opt: Likewise.
1984
1985 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1986
1987         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1988         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1989         * gcc/config/vax/constraints.md (B, R): Likewise.
1990         * gcc/config/vax/predicates.md (external_memory_operand,
1991         nonimmediate_addsub_di_operand): Likewise.
1992         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1993         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1994         untyped_call): Likewise.
1995
1996 2009-04-01  Matt Thomas <matt@3am-software.com>
1997
1998         * config/vax/predicates.md: New file.
1999         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2000         external_const_operand, nonsymbolic_operand, external_memory_operand,
2001         indirect_memory_operand, indexed_memory_operand,
2002         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2003         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2004         predicate.
2005         * config/vax/constraints.md: New file.
2006         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2007         New constraint.
2008         * config/vax/builtins.md: New file.
2009         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2010         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2011         jbbccisi): Define.
2012         * config/vax/vax.opt (mqmath): Add option.
2013         * config/vax/vax.md (isfx): Extend with DI.
2014         (VAXintQH, VAXintQHSD): Define.
2015         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2016         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2017         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2018         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2019         (movdi): Update constraints and use vax_output_int_move().
2020         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2021         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2022         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2023         nonlocal_goto): New.
2024         (mov<mode>): Extend accepted operand types.
2025         (subdi3_old): Rename from subdi3, change update constraints and use
2026         a new implementation.
2027         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2028         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2029         MOVE_RATIO, CLEAR_RATIO): Define.
2030         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2031         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2032         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2033         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2034         (split_quadword_operands): Make static and really allow variable
2035         splitting.
2036         (print_operand_address): Update for PIC generation.
2037         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2038         indexable_address_p, fixup_mathdi_operand,
2039         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2040         (vax_float_literal, legitimate_constant_p,
2041         indirectable_constant_address_p, index_term_p,
2042         reg_plus_index_p): Return bool instead of int.
2043         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2044         where needed.
2045         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2046         generation.
2047         (vax_output_conditional_branch): Indent.
2048         (legitimate_constant_address_p, indirectable_constant_address_p,
2049         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2050         vax_mode_dependent_address_p): Return bool instead of int, update for
2051         PIC generation.
2052         * config/vax/vax-protos.h (legitimate_constant_address_p,
2053         legitimate_constant_p, legitimate_address_p,
2054         vax_mode_dependent_address_p): Change declaration to bool.
2055         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2056         vax_expand_addsub_di_operands, vax_output_int_subtract,
2057         vax_output_movmemsi): Declare.
2058         (split_quadword_operands, vax_float_literal): Delete declaration.
2059         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2060         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2061         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2062         ASM_OUTPUT_DWARF_PCREL): Define.
2063         (ASM_SPEC): Change definition to allow PIC generation.
2064
2065 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2066
2067         * doc/sourcebuild.texi: Update front-end requirements.
2068
2069 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2070
2071         PR target/39226
2072         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2073         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2074         (booldi3_internal3): Use boolean_or_operator instead of
2075         boolean_operator.
2076
2077 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2078
2079         PR c/39605
2080         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2081         declarator whose size is not an integer constant expression but
2082         folds to an integer constant, then treat it as a constant
2083         subsequently.
2084
2085 2009-04-01  Richard Guenther  <rguenther@suse.de>
2086
2087         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2088         i * 4 + 2 to (i * 2 + 1) * 2.
2089
2090 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2091
2092         PR c/37772
2093         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2094         return if c_parser_asm_string_literal returned NULL.
2095
2096 2009-04-01  Nick Clifton  <nickc@redhat.com>
2097
2098         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2099         already defined.
2100         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2101         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2102         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2103         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2104         include it.
2105         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2106         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2107         then include it.
2108
2109 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2110
2111         * varasm.c (default_function_rodata_section): Declare DOT as
2112         const char*.
2113
2114 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2115             Andrey Galkin <agalkin@hypercom.com>
2116
2117         PR/39492
2118         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2119         Make object_name unique for each process.
2120
2121 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2122
2123         PR other/39591
2124         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2125         addressable variables in the parallel that could go out of scope while
2126         running queued tasks.
2127
2128 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2129
2130         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2131         (CASE_VALUES_THRESHOLD): Redefine.
2132         * config/avr/avr.c (avr_override_options): Remove initialization of
2133         avr_case_values_threshold variable.
2134         (avr_case_values_threshold): Remove variable. Add new function.
2135         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2136         * config/avr/avr.opt (mno-tablejump): Remove option.
2137         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2138
2139 2009-04-01  DJ Delorie  <dj@redhat.com>
2140
2141         * varasm.c (default_function_rodata_section): Don't assume
2142         anything about where the first '.' in the section name is.
2143
2144 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2145
2146         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2147         rs6000_emit_stack_tie.
2148
2149 2009-03-31  Ian Lance Taylor  <iant@google.com>
2150
2151         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2152         gimple_code with GIMPLE_RESX, not RESX.
2153
2154 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2155
2156         * c-common.c (c_get_ident): New.
2157         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2158
2159 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2160
2161         * config/rs6000/sysv4.opt (msdata): Improve option description.
2162
2163 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2164
2165         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2166         (divdf3_internal_lat): Remove.
2167         (divxf3_internal_lat): Remove.
2168         (divxf3_internal_thr): Remove.
2169         (divxf): Use divxf3_internal.
2170         * config/ia64/div.md (divsf3_internal_lat): New.
2171         (divdf3_internal_lat): New.
2172         (divxf3_internal): New.
2173
2174 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2175
2176         PR c/448
2177         * Makefile.in (USE_GCC_STDINT): Define.
2178         (stmp-int-hdrs): Install stdint.h if applicable.
2179         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2180         if known.
2181         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2182         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2183         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2184         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2185         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2186         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2187         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2188         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2189         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2190         (c_common_nodes_and_builtins): Initialize
2191         underlying_wchar_type_node.  Do not initialize
2192         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2193         nodes for new types.
2194         (c_stddef_cpp_builtins): Define macros for new types.
2195         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2196         Remove.
2197         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2198         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2199         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2200         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2201         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2202         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2203         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2204         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2205         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2206         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2207         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2208         int16_type_node, int32_type_node, int64_type_node,
2209         uint8_type_node, uint16_type_node, c_uint32_type_node,
2210         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2211         int_least32_type_node, int_least64_type_node,
2212         uint_least8_type_node, uint_least16_type_node,
2213         uint_least32_type_node, uint_least64_type_node,
2214         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2215         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2216         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2217         uintptr_type_node): Define.
2218         * c-cppbuiltin.c (builtin_define_constants,
2219         builtin_define_type_minmax): New.
2220         (builtin_define_stdint_macros): Define more macros.
2221         (c_cpp_builtins): Define more limit macros.
2222         (type_suffix): New.
2223         (builtin_define_type_max): Define in terms of
2224         builtin_define_type_minmax.  Remove is_long parameter.  All
2225         callers changed.
2226         * config.gcc (use_gcc_stdint): Define.
2227         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2228         Add newlib-stdint.h for generic targets.
2229         * config/glibc-stdint.h, config/newlib-stdint.h,
2230         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2231         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2232         * config/score/score.h (UINTPTR_TYPE): Define.
2233         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2234         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2235         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2236         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2237         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2238         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2239         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2240         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2241         * config/spu/spu.h (STDINT_LONG32): Define.
2242         * configure.ac (use_gcc_stdint): Substitute.
2243         * configure: Regenerate.
2244         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2245         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2246         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2247         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2248         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2249         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2250         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2251         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2252         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2253         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2254         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2255         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2256         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2257         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2258         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2259         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2260         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2261         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2262         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2263         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2264         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2265         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2266         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2267         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2268         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2269         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2270         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2271         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2272         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2273
2274 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2275
2276         * loop-iv.c (suitable_set_for_replacement): Renamed from
2277         simplify_using_assignment; changed to return bool and to accept new
2278         args DEST and SRC.  Return true iff we find a source/destination pair
2279         that can be used to make a replacement, and fill SRC and DEST if so.
2280         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2281         changed.
2282         (simplify_using_initial_values): Deal with altered regs here and track
2283         more precisely the effect they have on the validity of our expression.
2284
2285         * loop-iv.c (simplify_using_condition): A condition of the form
2286         (EQ REG CONST) can be used to simply make a substitution.
2287         (simplify_using_initial_values): Keep track of conditions we have seen
2288         and keep using them to simplify new expressions, while applying the
2289         same substitutions to them as to the expression.
2290
2291         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2292         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2293         GEU/LTU reversed.
2294
2295         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2296         changed.  Use this when trying to improve the upper bound.
2297         Generate the comparison by using simplify_gen_relational.
2298
2299         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2300
2301         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2302         functions.
2303         (simplify_using_assignment, simplify_using_initial_values): Call
2304         replace_in_expr to make replacements.  Call replace_single_def_regs
2305         once on the initial version of the expression.
2306
2307 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2308
2309         PR target/27237
2310         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2311
2312 2009-03-31  Richard Guenther  <rguenther@suse.de>
2313
2314         PR middle-end/31029
2315         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2316         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2317
2318 2009-03-31  Richard Guenther  <rguenther@suse.de>
2319
2320         * tree.h (div_if_zero_remainder): Declare.
2321         * fold-const.c (div_if_zero_remainder): Export.
2322         * tree-ssa-forwprop.c
2323         (forward_propagate_addr_into_variable_array_index): Handle
2324         constant array index addition outside of the variable index.
2325
2326 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2327
2328         PR target/39592
2329         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2330         define_splits, floatunssi<mode>2): Require x87 conversions from
2331         DImode to be permitted.
2332
2333 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2334
2335         PR preprocessor/15638
2336         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2337
2338 2009-03-31  Richard Guenther  <rguenther@suse.de>
2339
2340         PR middle-end/23401
2341         PR middle-end/27810
2342         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2343         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2344         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2345         a separate statement.
2346         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2347         (lookup_tmp_var): Likewise.
2348         (is_gimple_formal_tmp_or_call_rhs): Remove.
2349         (is_gimple_reg_or_call_rhs): Rename to ...
2350         (is_gimple_reg_rhs_or_call): ... this.
2351         (is_gimple_mem_or_call_rhs): Rename to ...
2352         (is_gimple_mem_rhs_or_call): ... this.
2353         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2354         DECL_GIMPLE_REG_P only if is_formal is true.
2355         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2356         for non-proper post-modify expression gimplification.
2357         (gimplify_self_mod_expr): For post-modify expressions gimplify
2358         the lvalue to a minimal lvalue.
2359         (rhs_predicate_for): Remove formal temp case.
2360         (gimplify_modify_expr_rhs): Likewise.
2361         (gimplify_addr_expr): Use is_gimple_reg.
2362         (gimplify_expr): Remove formal temp cases.
2363         (gimple_regimplify_operands): Likewise.
2364         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2365         and FILTER_EXPR like constants.
2366         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2367         is_gimple_reg.
2368         (is_gimple_formal_tmp_rhs): Remove.
2369         (is_gimple_reg_rhs): Remove special casing.
2370         (is_gimple_mem_rhs): Fix.
2371         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2372         (is_gimple_formal_tmp_var): Remove.
2373         (is_gimple_formal_tmp_reg): Likewise.
2374         (is_gimple_min_lval): Allow invariant component ref parts.
2375         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2376         is_gimple_formal_tmp_reg): Remove declarations.
2377         * tree-cfg.c (verify_expr): Verify that variables with address
2378         taken do not have DECL_GIMPLE_REG_P set.
2379         * tree-mudflap.c (mf_build_check_statement_for): Use
2380         force_gimple_operand instead of gimplify_expr.
2381
2382 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2383
2384         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2385         schedulable rows to compute_split_row.
2386
2387 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2388
2389         PR target/31635
2390         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2391         OPT_mvrsave.
2392
2393 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2394
2395         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2396         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2397         * configure: Regenerate.
2398         * config.in: Regenerate.
2399         * config/rs6000/rs6000.opt (mtls-markers): Add.
2400         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2401         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2402         (tls_ld_aix, tls_ld_sysv): Likewise.
2403         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2404         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2405
2406 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2407
2408         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2409
2410 2009-03-30  Jan Hubicka  <jh@suse.cz>
2411
2412         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2413         out of RESX.
2414         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2415         detection and label handling.
2416
2417 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2418
2419         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2420         left_conflicts_size.
2421         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2422         ALLOCNO_LEFT_CONFLICTS_SIZE.
2423
2424         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2425         remove_allocno_from_bucket_and_push,
2426         allocno_spill_priority_compare, push_allocnos_to_stack,
2427         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2428         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2429         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2430         setup_allocno_left_conflicts_size.
2431         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2432         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2433         setup_allocno_left_conflicts_size instead of
2434         setup_allocno_left_conflicts_num.
2435
2436         * ira-build.c (ira_create_allocno): Use
2437         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2438         ALLOCNO_LEFT_CONFLICTS_NUM.
2439
2440 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2441
2442         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2443         instead of DF_LR_OUT.
2444
2445         * ira-lives.c (process_bb_node_lives): Ditto.
2446
2447         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2448         instead of DF_LR_{OUT,IN}.
2449
2450         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2451
2452         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2453
2454 2009-03-30  Jan Hubicka  <jh@suse.cz>
2455
2456         * except.c (label_to_region_map): Fix thinko.
2457
2458 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2459
2460         PR middle-end/38237
2461         * tree.h (tree_find_value): New declaration.
2462         * tree.c (tree_find_value): New function.
2463         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2464
2465 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2466
2467         PR debug/39563
2468         * c-decl.c (struct c_binding): Add locus field.
2469         (bind): Add locus argument, set locus field from it.
2470         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2471         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2472         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2473         implicitly_declare, undeclared_variable, lookup_label,
2474         declare_label, c_make_fname_decl, c_builtin_function,
2475         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2476         bind callers.
2477
2478 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2479
2480         PR target/38781
2481         * config/i386/i386.c (classify_argument): Check total size of
2482         structure.
2483
2484 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2485
2486         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2487         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2488         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2489         respectively.
2490
2491         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2492         seen_variable_array_ref while also traversing a union.
2493
2494         * tree-inline.c (optimize_inline_calls): Do not call
2495         cgraph_node_remove_callees.
2496         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2497         (pass_remove_cgraph_callee_edges): New variable.
2498         * passes.c (init_optimization_passes): Add
2499         pass_remove_cgraph_callee_edges after early inlining and before all
2500         late intraprocedural passes.
2501
2502         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2503
2504 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2505
2506         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2507         Fix typos in names.
2508
2509 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2510
2511         * combine.c (simplify_comparison): Use have_insn_for.
2512         * dojump.c (do_jump): Likewise.
2513
2514 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2515
2516         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2517         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2518         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2519         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2520         instead of sparc_compare_emitted.
2521         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2522         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2523         instead of sparc_compare_emitted.
2524
2525 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2526
2527         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2528         enter/exit cfglayout mode.
2529         (pass_partition_block): Require it.
2530         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2531         (combine_instructions): Track basic blocks instead of labels.
2532         (update_cfg_for_uncondjump): New.
2533         (try_combine): Use it.  Update jumps after rescanning.
2534         (pass_combine): Require PROP_cfglayout.
2535         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2536
2537 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2538
2539         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2540         Provide/destroy PROP_cfglayout respectively.
2541         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2542         * tree-pass.h (PROP_cfglayout): New.
2543
2544 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2545
2546         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2547         fold_convert_const_fixed_from_fixed,
2548         fold_convert_const_fixed_from_int,
2549         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2550         set TREE_CONSTANT_OVERFLOW.
2551         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2552         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2553
2554 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2555
2556         * tree-vect-loop-manip.c: New file.
2557         * tree-vectorizer.c: Update documentation and included files.
2558         (vect_loop_location): Make extern.
2559         (rename_use_op): Move to tree-vect-loop-manip.c
2560         (rename_variables_in_bb, rename_variables_in_loop,
2561         slpeel_update_phis_for_duplicate_loop,
2562         slpeel_update_phi_nodes_for_guard1,
2563         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2564         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2565         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2566         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2567         find_loop_location): Likewise.
2568         (new_stmt_vec_info): Move to tree-vect-stmts.c.
2569         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2570         get_vectype_for_scalar_type, vect_is_simple_use,
2571         supportable_widening_operation, supportable_narrowing_operation):
2572         Likewise.
2573         (bb_in_loop_p): Move to tree-vect-loop.c.
2574         (new_loop_vec_info, destroy_loop_vec_info,
2575         reduction_code_for_scalar_code, report_vect_op,
2576         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2577         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2578         (vect_supportable_dr_alignment): Likewise.
2579         * tree-vectorizer.h (tree-data-ref.h): Include.
2580         (vect_loop_location): Declare.
2581         Reorganize function declarations according to the new file structure.
2582         * tree-vect-loop.c: New file.
2583         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2584         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2585         * tree-vect-data-refs.c: New file.
2586         * tree-vect-patterns.c (timevar.h): Don't include.
2587         * tree-vect-stmts.c: New file.
2588         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2589         tree-vect-slp.c, tree-vect-loop.c.
2590         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2591         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2592         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2593         (tree-vect-analyze.o): Remove.
2594         (tree-vect-transform.o): Likewise.
2595         (tree-vect-data-refs.o): Add rule.
2596         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2597         tree-vect-slp.o): Likewise.
2598         (tree-vect-patterns.o): Remove redundant dependencies.
2599         (tree-vectorizer.o): Likewise.
2600         * tree-vect-slp.c: New file.
2601
2602 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2603
2604         * optc-gen.awk: Warn if an option flag has multiple different
2605         help strings.
2606
2607 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2608
2609         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2610         -floop-block): Document dependences on PPL, CLooG and Graphite.
2611
2612 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2613
2614         PR rtl-optimization/323
2615         * c-common.c (c_fully_fold, convert_and_check,
2616         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2617         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2618         * c-common.def (EXCESS_PRECISION_EXPR): New.
2619         * c-cppbuiltin.c (builtin_define_float_constants): Define
2620         constants with enough digits for long double.
2621         * c-lex.c (interpret_float): Interpret constant with excess
2622         precision where appropriate.
2623         * c-opts.c (c_common_post_options): Set
2624         flag_excess_precision_cmdline.  Give an error for
2625         -fexcess-precision=standard for C++ for processors where the
2626         option is significant.
2627         * c-parser.c (c_parser_conditional_expression): Handle excess
2628         precision in condition.
2629         * c-typeck.c (convert_arguments): Handle arguments with excess
2630         precision.
2631         (build_unary_op): Move excess precision outside operation.
2632         (build_conditional_expr): Likewise.
2633         (build_compound_expr): Likewise.
2634         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2635         (build_modify_expr): Handle excess precision in RHS.
2636         (convert_for_assignment): Handle excess precision in converted
2637         value.
2638         (digest_init, output_init_element, process_init_element): Handle
2639         excess precision in initializer.
2640         (c_finish_return): Handle excess precision in return value.
2641         (build_binary_op): Handle excess precision in operands and add
2642         excess precision as needed for operation.
2643         * common.opt (-fexcess-precision=): New option.
2644         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2645         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2646         For standard excess precision, output explicit conversion to and
2647         truncation from XFmode.
2648         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2649         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2650         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2651         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2652         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2653         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2654         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2655         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2656         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2657         define_splits, sqrt<mode>2): Disable where appropriate for
2658         standard excess precision.
2659         * convert.c (convert_to_real): Do not shorten arithmetic to type
2660         for which excess precision would be used.
2661         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2662         * doc/invoke.texi (-fexcess-precision=): Document option.
2663         (-mfpmath=): Correct index entry.
2664         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2665         flag_excess_precision): New.
2666         * langhooks.c (lhd_post_options): Set
2667         flag_excess_precision_cmdline.
2668         * opts.c (common_handle_option): Handle -fexcess-precision=.
2669         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2670         init_excess_precision): New.
2671         (lang_dependent_init_target): Call init_excess_precision.
2672         * tree.c (excess_precision_type): New.
2673         * tree.h (excess_precision_type): Declare.
2674
2675 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2676
2677         PR c/35235
2678         * c-typeck.c (build_component_ref): Do not copy qualifiers from
2679         non-lvalue to component.
2680
2681 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2682
2683         PR preprocessor/34695
2684         * Makefile.in (c-opts.o): Depend on c-tree.h.
2685         * c-common.c: Move down include of diagnostic.h.
2686         (done_lexing, c_cpp_error): New.
2687         * c-common.h (done_lexing): Declare.
2688         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2689         (parse_in).
2690         * c-opts.c: Include c-tree.h.
2691         (c_common_init_options): Set preprocessor error callback.
2692         (c_common_handle_option): Do not set preprocessor
2693         inhibit_warnings, warnings_are_errors, warn_system_headers,
2694         pedantic_errors or inhibit_warnings flags.
2695         (c_common_post_options): Do not check cpp_errors (parse_in).
2696         (c_common_finish): Do not output dependencies if there were
2697         errors.  Do not check return value of cpp_finish.
2698         * c-ppoutput.c (pp_file_change): Set input_location.
2699         * c-tree.h (c_cpp_error): Declare.
2700         * diagnostic.c (diagnostic_set_info_translated): Also initialize
2701         override_column.
2702         (diagnostic_build_prefix): Check override_column.
2703         * diagnostic.h (diagnostic_info): Add override_column field.
2704         (diagnostic_override_column): Define.
2705
2706 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
2707
2708         * c-common.c (c_expand_expr, c_staticp): Remove.
2709         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2710         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2711         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2712         * c-gimplify.c (gimplify_compound_literal_expr,
2713         optimize_compound_literals_in_ctor): Remove.
2714         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2715         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2716         * c-semantics.c (emit_local_var): Remove.
2717
2718         * langhooks-def.h (lhd_expand_expr): Remove.
2719         * langhooks.c (lhd_expand_expr): Remove.
2720         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2721
2722         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2723         handling from c-semantics.c; don't call into langhook.
2724         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2725         * gimplify.c (gimplify_compound_literal_expr,
2726         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2727         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2728         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2729         as was done in c-gimplify.c.
2730         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2731         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2732         Move from c-common.h.
2733         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2734
2735         * tree.c (staticp): Do not call langhook.
2736         * langhooks.c (lhd_staticp): Delete.
2737         * langhooks-def.h (lhd_staticp): Delete prototype.
2738         (LANG_HOOKS_STATICP): Delete.
2739         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2740
2741         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2742         instead of DECL_STMTs.
2743
2744 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2745
2746         PR c/456
2747         PR c/5675
2748         PR c/19976
2749         PR c/29116
2750         PR c/31871
2751         PR c/35198
2752         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2753         void_type_node.
2754         (fold_call_expr): Return a NOP_EXPR from folding rather than the
2755         contained expression.
2756         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2757         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
2758         conditional expressions for C.
2759         (decl_constant_value_for_optimization): Move from
2760         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
2761         whether optimizing and that the expression is a VAR_DECL not of
2762         array type instead of doing such checks in the caller.  Do not
2763         check pedantic.  Call gcc_unreachable for C++.
2764         * c-common.def (C_MAYBE_CONST_EXPR): New.
2765         * c-common.h (c_fully_fold, c_save_expr,
2766         decl_constant_value_for_optimization): New prototypes.
2767         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2768         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2769         EXPR_INT_CONST_OPERANDS): Define.
2770         * c-convert.c (convert): Strip nops from expression.
2771         * c-decl.c (groktypename): Take extra parameters expr and
2772         expr_const_operands.  Update call to grokdeclarator.
2773         (start_decl): Update call to grokdeclarator.  Add statement for
2774         expressions used in type of decl.
2775         (grokparm): Update call to grokdeclarator.
2776         (push_parm_decl): Update call to grokdeclarator.
2777         (build_compound_literal): Add parameter non_const and build a
2778         C_MAYBE_COSNT_EXPR if applicable.
2779         (grokdeclarator): Take extra parameters expr and
2780         expr_const_operands.  Track expressions used in declaration
2781         specifiers and declarators.  Fold array sizes and track whether
2782         they are constant expressions and whether they are integer
2783         constant expressions.
2784         (parser_xref_tag): Set expr and expr_const_operands fields in
2785         return value.
2786         (grokfield): Update call to grokdeclarator.
2787         (start_function): Update call to grokdeclarator.
2788         (build_null_declspecs): Set expr and expr_const_operands fields in
2789         return value.
2790         (declspecs_add_type): Handle expressions in typeof specifiers.
2791         * c-parser.c (c_parser_declspecs): Set expr and
2792         expr_const_operands fields for declaration specifiers.
2793         (c_parser_enum_specifier): Likewise.
2794         (c_parser_struct_or_union_specifier): Likewise.
2795         (c_parser_typeof_specifier): Likewise.  Update call to
2796         groktypename.  Fold expression as needed.  Return expressions with
2797         type instead of adding statements.
2798         (c_parser_attributes): Update calls to c_parser_expr_list.
2799         (c_parser_statement_after_labels): Fold expression before passing
2800         to objc_build_throw_stmt.
2801         (c_parser_condition): Fold expression.
2802         (c_parser_asm_operands): Fold expression.
2803         (c_parser_conditional_expression): Use c_save_expr.  Update call
2804         to build_conditional_expr.
2805         (c_parser_alignof_expression): Update call to groktypename.
2806         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2807         original_code.  Fold expression argument of va_arg.  Create
2808         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2809         argument to va_arg.  Update calls to groktypename.  Fold array
2810         index for offsetof.  Verify that first argument to
2811         __builtin_choose_expr has integer type.
2812         (c_parser_postfix_expression_after_paren_type): Update calls to
2813         groktypename and build_compound_literal.  Handle expressions with
2814         side effects in type name.
2815         (c_parser_postfix_expression_after_primary): Update call to
2816         c_parser_expr_list.  Set original_code for calls to
2817         __builtin_constant_p.
2818         (c_parser_expr_list): Take extra parameter fold_p.  Fold
2819         expressions if requested.
2820         (c_parser_objc_type_name): Update call to groktypename.
2821         (c_parser_objc_synchronized_statement): Fold expression.
2822         (c_parser_objc_receiver): Fold expression.
2823         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2824         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2825         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2826         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2827         (struct c_typespec): Add elements expr and expr_const_operands.
2828         (struct c_declspecs): Add elements expr and expr_const_operands.
2829         (groktypename, build_conditional_expr, build_compound_literal):
2830         Update prototypes.
2831         (in_late_binary_op): Declare.
2832         * c-typeck.c (note_integer_operands): New function.
2833         (in_late_binary_op): New variable.
2834         (decl_constant_value_for_broken_optimization): Move to c-common.c
2835         and rename to decl_constant_value_for_optimization.
2836         (default_function_array_conversion): Do not strip nops.
2837         (default_conversion): Do not call
2838         decl_constant_value_for_broken_optimization.
2839         (build_array_ref): Do not fold result.
2840         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
2841         result when operand is a VLA.
2842         (c_expr_sizeof_type): Update call to groktypename.  Handle
2843         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
2844         result when operand names a VLA type.
2845         (build_function_call): Update call to build_compound_literal.
2846         Only fold result for calls to __builtin_* functions.  Strip
2847         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
2848         the function designator.
2849         (convert_arguments): Fold arguments.  Update call to
2850         convert_for_assignment.
2851         (build_unary_op): Handle increment and decrement of
2852         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
2853         decrement earlier.  Fold operand of increment and decrement.
2854         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
2855         built for integer operand.  Wrap returns that are INTEGER_CSTs
2856         without being integer constant expressions or that have integer
2857         constant operands without being INTEGER_CSTs.
2858         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2859         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
2860         result is an integer constant expression or can be used in
2861         unevaluated parts of one and avoid folding and wrap as
2862         appropriate.  Fold operands before possibly doing -Wsign-compare
2863         warnings.
2864         (build_compound_expr): Wrap result for C99 if operands can be used
2865         in integer constant expressions.
2866         (build_c_cast): Update call to digest_init.  Do not ignore
2867         overflow from casting floating-point constants to integers.  Wrap
2868         results that could be confused with integer constant expressions,
2869         null pointer constants or floating-point constants.
2870         (c_cast_expr): Update call to groktypename.  Handle expressions
2871         included in type name.
2872         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
2873         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
2874         Update calls to convert_for_assignment.
2875         (convert_for_assignment): Take new parameter
2876         null_pointer_constant.  Do not strip nops or call
2877         decl_constant_value_for_broken_optimization.  Set
2878         in_late_binary_op for conversions to boolean.
2879         (store_init_value): Update call to digest_init.
2880         (digest_init): Take new parameter null_pointer_constant.  Do not
2881         call decl_constant_value_for_broken_optimization.  pedwarn for
2882         initializers not constant expressions.  Update calls to
2883         convert_for_assignment.
2884         (constructor_nonconst): New.
2885         (struct constructor_stack): Add nonconst element.
2886         (really_start_incremental_init, push_init_level, pop_init_level):
2887         Handle constructor_nonconst and nonconst element.
2888         (set_init_index): Call constant_expression_warning for array
2889         designators.
2890         (output_init_element): Fold value.  Set constructor_nonconst as
2891         applicable.  pedwarn for initializers not constant expressions.
2892         Update call to digest_init.  Call constant_expression_warning
2893         where constant initializers are required.
2894         (process_init_element): Use c_save_expr.
2895         (c_finish_goto_ptr): Fold expression.
2896         (c_finish_return): Fold return value.  Update call to
2897         convert_for_assignment.
2898         (c_start_case): Fold switch expression.
2899         (c_process_expr_stmt): Fold expression.
2900         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2901         ensure statement expression is not evaluated in constant expression.
2902         (build_binary_op): Track whether results are integer constant
2903         expressions or may occur in such, disable folding and wrap results
2904         as applicable.  Fold operands for -Wsign-compare warnings unless
2905         in_late_binary_op.
2906         (c_objc_common_truthvalue_conversion): Handle results folded to
2907         integer constants that are not integer constant expressions.
2908         * doc/extend.texi: Document when typeof operands are evaluated,
2909         that condition of __builtin_choose_expr is an integer constant
2910         expression, and more about use of __builtin_constant_p in
2911         initializers.
2912
2913 2009-03-29  Richard Guenther  <rguenther@suse.de>
2914
2915         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2916         propagate addresses of array references.
2917
2918 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2919
2920         * regmove.c (perhaps_ends_bb_p): Remove.
2921         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
2922         from INSN and check that the main loop stays within that basic block.
2923         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2924         (regmove_forward_pass): Split out from regmove_optimize.  Use
2925         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2926         (regmove_backward_pass): Split out from regmove_optimize.  Use
2927         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2928         (regmove_optimize): Simplify.
2929
2930 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2931
2932         PR target/39545
2933         * config/i386/i386.c (classify_argument): Ignore flexible array
2934         member in struct and warn ABI change.
2935
2936 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2937
2938         * config/i386/i386-protos.h (ix86_agi_dependent): New.
2939
2940         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2941         (ix86_adjust_cost): Updated.
2942
2943 2009-03-29  Jan Hubicka  <jh@suse.cz>
2944
2945         PR middle-end/28850
2946         * tree-pass.h (pass_cleanup_eh): New function.
2947         (remove_unreachable_regions): Break code handling RTL
2948         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2949         that can not be reached by runtime.
2950         (can_be_reached_by_runtime): New function.
2951         (label_to_region_map): New function.
2952         (num_eh_regions): New function.
2953         (rtl_remove_unreachable_regions): New function.
2954         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2955         (remove_eh_region): New function.
2956         * except.h: Include sbitmap and vecprim.
2957         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2958         num_eh_regions): Declare.
2959         * passes.c (init_optimization_passes): Schedule cleanup_eh.
2960         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2961         * tree-eh.c (tree_remove_unreachable_handlers): New function.
2962         (tree_empty_eh_handler_p): New function.
2963         (cleanup_empty_eh): New function.
2964         (cleanup_eh): New function.
2965         (pass_cleanup_eh): New function.
2966
2967 2009-03-29  Jan Hubicka  <jh@suse.cz>
2968
2969         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2970         for removed regions.
2971
2972 2009-03-29  Jan Hubicka  <jh@suse.cz>
2973
2974         * except.c (dump_eh_tree): Dump all datastructures.
2975
2976 2009-03-29  Jan Hubicka  <jh@suse.cz>
2977
2978         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2979         (duplicate_eh_regions_1): Likewise.
2980         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2981         vector; call EH verification.
2982         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2983         Be ready for region being removed.
2984
2985 2009-03-29  Jan Hubicka  <jh@suse.cz>
2986
2987         * bitmap.c (bitmap_last_set_bit): New function.
2988         * bitmap.h (bitmap_last_set_bit): Declare.
2989
2990 2009-03-29  David Ayers  <ayers@fsfe.org>
2991
2992         PR objc/27377
2993         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2994         by calling objc_compare_types and surpress warnings about
2995         incompatible C pointers that are compatible ObjC pointers.
2996
2997 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
2998
2999         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3000         call initialize_inline_failed.
3001         (initialize_inline_failed): Move it from here ...
3002         * cgraph.c (initialize_inline_failed): ... to here.
3003         (cgraph_create_edge): Call initialize_inline_failed rather than
3004         setting inline_failed directly.
3005
3006 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3007
3008         PR target/32542
3009         * sysv4.opt (msdata): Improve comment.
3010         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3011         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3012
3013 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3014
3015         PR target/30451
3016         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3017         load and store attributes.
3018
3019 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3020
3021         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3022         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3023         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3024         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3025         __builtin_infq and __builtin_huge_valq.
3026
3027 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3028
3029         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3030         atmega8m1 devices.
3031         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3032         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3033
3034 2009-03-28  Xinliang David Li  <davidxl@google.com>
3035
3036         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3037         (do_dbg_cnt): New function.
3038
3039 2009-03-28  Jan Hubicka  <jh@suse.cz>
3040
3041         Merge from pretty-ipa:
3042
3043         2009-03-27  Jan Hubicka  <jh@suse.cz>
3044
3045         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3046         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3047         * passes.c (function_called_by_processed_nodes_p): New.
3048         * ipa-pure-const.c (check_call): Fix handling of operands.
3049         (analyze_function): Dump debug output for skipped bodies.
3050         (local_pure_const): Use function_called_by_processed_nodes_p.
3051         * dwarf2out.c (reference_to_unused): Use output.
3052         * passes.c (do_per_function_toporder): Likewise.
3053
3054         2008-11-12  Jan Hubicka  <jh@suse.cz>
3055
3056         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3057         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3058         state_set_in_source enum
3059         (check_decl): Ignore memory tags; do not set fake looping flags;
3060         dump diagnostics.
3061         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3062         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3063         (check_call, analyze_function): Rewrite.
3064         (check_stmt): New.
3065         (add_new_function): Update call of analyze_function.
3066         (generate_summary): Add call of analyze_function.
3067         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3068         (local_pure_const): New function.
3069         (pass_local_pure_const): New pass.
3070         * ipa-inline.c (inline_transform): Set after_inlining.
3071         * tree-eh.c (stmt_can_throw_external): New.
3072         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3073         work with aliasing built.
3074         * tree-flow.h (stmt_can_throw_external): New.
3075         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3076         and local pure/const pass in early and late optimization queue.
3077
3078 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3079
3080         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3081         allow_func_align.
3082         (fold_binary): Allow function decl aligment consideration is the
3083         second argument is integer constant one.
3084         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3085         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3086         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3087
3088 2009-03-28  Jan Hubicka  <jh@suse.cz>
3089
3090         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3091         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3092         * function.h (rtl_data): Add nothrow flag.
3093         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3094         set DECL_NOTHROW for AVAILABLE functions.
3095
3096 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3097
3098         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3099         following vector keyword has expansion starting with pixel or bool
3100         keyword, expand vector to __vector and pixel or bool to __pixel or
3101         __bool.
3102
3103         PR c++/39554
3104         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3105         warn_if_disallowed_function_p): Removed.
3106         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3107         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3108         warning_if_disallowed_function_p.
3109         * flags.h (warn_if_disallowed_function_p,
3110         warn_disallowed_functions): Removed.
3111         * common.opt (Wdisallowed-function-list=): Removed.
3112         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3113
3114 2009-03-28  Richard Guenther  <rguenther@suse.de>
3115
3116         PR tree-optimization/38723
3117         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3118         the entry block.
3119
3120 2009-03-28  Jan Hubicka  <jh@suse.cz>
3121
3122         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3123         test introduced by my previous patch.
3124
3125 2009-03-28  Richard Guenther  <rguenther@suse.de>
3126
3127         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3128         the PHIs value undefined.
3129
3130 2009-03-28  Jan Hubicka  <jh@suse.cz>
3131
3132         * tree-pass.h (pass_fixup_cfg): New pass.
3133         * ipa-inline.c (inline_transform): Set
3134         always_inline_functions_inlined/after_inlining.
3135         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3136         (pass_fixup_cfg): New pass.
3137         * passes.c (init_optimization_passes): Add fixup_cfg.
3138
3139 2009-03-28  Richard Guenther  <rguenther@suse.de>
3140
3141         PR tree-optimization/38458
3142         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3143         argument use the arguments copy-of value.
3144
3145 2009-03-28  Richard Guenther  <rguenther@suse.de>
3146
3147         PR tree-optimization/38180
3148         * tree-ssa-ccp.c (get_default_value): Simplify.
3149         (likely_value): Likewise.
3150         (surely_varying_stmt_p): Properly handle VOP case.
3151         (ccp_initialize): Likewise.
3152         (ccp_fold): Handle propagating through *&.
3153         (fold_const_aggregate_ref): Also handle decls.
3154
3155 2009-03-28  Jan Hubicka  <jh@suse.cz>
3156
3157         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3158         * cgraph.h (cgraph_node): Likewise.
3159         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3160         (cgraph_reset_node): Use process flag.
3161         (cgraph_mark_functions_to_output): Likewise.
3162         (cgraph_expand_function): Likewise.
3163         (cgraph_expand_all_functions): Likewise.
3164         (cgraph_output_in_order): Likewise.
3165         * dwarf2out.c (reference_to_unused): Likewise.
3166         * passes.c do_per_function_toporder): Likewise.
3167
3168 2009-03-28  Jan Hubicka  <jh@suse.cz>
3169
3170         Bring from lto-branch:
3171
3172         2008-09-03  Doug Kwan  <dougkwan@google.com>
3173
3174         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3175         enums instead of reason strings.
3176         * cgraph.c (cgraph_create_edge): Same.
3177         (cgraph_inline_failed_string): New function.
3178         * cgraph.h (cgraph_inline_failed_t): New enum type.
3179         (cgraph_inline_failed_string): New prototype.
3180         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3181         char pointer to cgraph_inline_failed_t.
3182         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3183         (cgraph_default_inline_p): Ditto.
3184         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3185         to cgraph_inline_failed_t pointer.
3186         * cif-code.def: New file.
3187         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3188         reason string.
3189         (cgraph_check_inline_limits): Change type of REASON to pointer to
3190         cgraph_inline_failed_t.  Replace reason strings with enums.
3191         (cgraph_default_inline_p): Ditto.
3192         (cgraph_recursive_inlining_p): Ditto.
3193         (update_caller_keys): Change type of FAILED_REASON to
3194         cgraph_inline_failed_t.
3195         (cgraph_set_inline_failed): Change type of REASON to pointer to
3196         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3197         convert enums to strings for text output.
3198         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3199         to be of type cgraph_inline_failed_t.  Replace reason strings with
3200         enums.  Call cgraph_inline_failed_string to covert enums
3201         to strings for text output.
3202         (cgraph_decide_inlining): Replace reason strings with enums.
3203         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3204         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3205         for text output.
3206         * tree-inline.c (expand_call_inline): Change type of REASON
3207         to cgraph_inline_failed_t.  Replace reason strings with enums.
3208         Call cgraph_inline_failed_string for text output.
3209         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3210         (cgraph.o): Ditto.
3211
3212 2009-03-28  Jan Hubicka  <jh@suse.cz>
3213
3214         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3215         cgraph_clone_node): Remove master clone handling.
3216         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3217         * cgraph.h (master_clone): Remove.
3218         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3219         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3220         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3221
3222 2009-03-28  Jan Hubicka  <jh@suse.cz>
3223
3224         * cgraph.c (cgraph_function_body_availability): Functions declared
3225         inline are always safe to assume that it is not going to be replaced.
3226
3227 2009-03-28  Richard Guenther  <rguenther@suse.de>
3228
3229         PR tree-optimization/38513
3230         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3231         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3232         EXC_PTR_EXPR and FILTER_EXPR.
3233         (get_ref_from_reference_ops): Likewise.
3234
3235 2009-03-28  Richard Guenther  <rguenther@suse.de>
3236
3237         PR tree-optimization/38968
3238         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3239         Use FLOOR_MOD_EXPR to compute misalignment.
3240
3241 2009-03-28  Richard Guenther  <rguenther@suse.de>
3242
3243         PR tree-optimization/37795
3244         * tree.h (combine_comparisons): Declare.
3245         * fold-const.c (combine_comparisons): Export.
3246         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3247         comparisons.
3248         (ifcombine_iforif): Use combine_comparisons.
3249
3250 2009-03-28  Jan Hubicka  <jh@suse.cz>
3251
3252         * tree-eh.c (inlinable_call_p): New function.
3253         (make_eh_edges): Use it.
3254         (verify_eh_edges): Use it.
3255         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3256         * except.c (reachable_next_level): Add inlinable_function argument
3257         (sjlj_find_directly_reachable_regions): Update.
3258         (add_reachable_handler): Do not set saw_any_handlers.
3259         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3260         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3261         Add new inlinable call parameter.
3262         (can_throw_internal, can_throw_external): Update.
3263         * except.h (can_throw_internal_1, can_throw_external_1,
3264         foreach_reachable_handler): Update declaration.
3265
3266 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3267
3268         * config/arm/t-arm-coff, config/h8300/coff.h,
3269         config/i386/i386-aout.h, config/i386/i386-coff.h,
3270         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3271         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3272         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3273         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3274         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3275         sys-types.h: Remove.
3276         * Makefile.in: Remove protoize and fixproto support and references
3277         in comments.
3278         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3279         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3280         Remove.
3281         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3282         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3283         unprotoize$(exeext).
3284         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3285         (.PHONY): Don't depend on proto.
3286         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3287         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3288         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3289         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3290         build/gen-protos.o, build/scan.o, xsys-protos.h,
3291         build/fix-header$(build_exeext), build/fix-header.o,
3292         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3293         stmp-install-fixproto): Remove.
3294         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3295         SYSCALLS.c or fixproto files.
3296         (install-common): Don't install protoize.
3297         (install-headers-tar, install-headers-cpio, install-headers-cp):
3298         Don't depend on $(STMP_FIXPROTO).
3299         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3300         install fixproto files or write out fixproto settings.
3301         (uninstall): Don't uninstall protoize.
3302         * config.gcc (use_fixproto): Remove.
3303         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3304         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3305         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3306         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3307         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3308         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3309         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3310         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3311         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3312         * config/t-vxworks (STMP_FIXPROTO): Remove.
3313         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3314         STMP_FIXPROTO): Remove.
3315         * config.in, configure: Regenerate.
3316         * crtstuff.c (gid_t, uid_t): Don't undefine.
3317         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3318         (arm-*-coff, arm-*-aout: Remove target entries.
3319         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3320         Remove mention of AIX 4.1.
3321         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3322         * doc/invoke.texi (Running Protoize): Remove.
3323         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3324         (Protoize Caveats): Remove.
3325         * tsystem.h: Update comments on headers assumed to exist.
3326
3327 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3328
3329         * genautomata.c: Add a new year to the copyright.  Add a new
3330         reference.
3331         (struct insn_reserv_decl): Add comments for member bypass_list.
3332         (find_bypass): Remove.
3333         (insert_bypass): New.
3334         (process_decls): Use insert_bypass.
3335         (output_internal_insn_latency_func): Output all bypasses with the
3336         same input insn in one switch case.
3337
3338         * rtl.def (define_bypass): Describe bypass choice.
3339         * doc/md.texi (define_bypass): Ditto.
3340
3341 2009-03-27  Richard Guenther  <rguenther@suse.de>
3342
3343         * gimplify.c (mark_addressable): Export.
3344         * tree-flow.h (mark_addressable): Declare.
3345         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3346         * tree-ssa.c (verify_phi_args): Verify that address taken
3347         variables have TREE_ADDRESSABLE set.
3348
3349 2009-03-27  Richard Guenther  <rguenther@suse.de>
3350
3351         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3352         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3353         Do not mark decls TREE_ADDRESSABLE.
3354         (build_fold_addr_expr): Adjust.
3355         (fold_addr_expr): Remove.
3356         (fold_unary): Use build_fold_addr_expr.
3357         (fold_comparison): Likewise.
3358         (split_address_to_core_and_offset): Likewise.
3359         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3360         TREE_ADDRESSABLE.
3361         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3362         (gimplify_modify_expr_to_memcpy): Mark source and destination
3363         addressable.
3364         * omp-low.c (create_omp_child_function): Mark the object decl
3365         TREE_ADDRESSABLE.
3366         (lower_rec_input_clauses): Mark the var we take the address of
3367         TREE_ADDRESSABLE.
3368         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3369
3370 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3371
3372         PR middle-end/39315
3373         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3374         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3375
3376 2009-03-27  Richard Guenther  <rguenther@suse.de>
3377
3378         PR tree-optimization/39120
3379         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3380         constraints.
3381         (handle_lhs_call): Process return constraints.  Add escape
3382         constraints if necessary.
3383         (handle_const_call): Fill out return constraints.  Make nested
3384         case more precise.  Avoid consttmp if possible.
3385         (handle_pure_call): Fill out return constraints.  Avoid
3386         callused if possible.
3387         (find_func_aliases): Simplify call handling.
3388
3389 2009-03-27  Richard Guenther  <rguenther@suse.de>
3390
3391         PR tree-optimization/39120
3392         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3393         as a representative.
3394         (solve_graph): Do propagate CALLUSED.
3395         (handle_pure_call): Use a scalar constraint from CALLUSED for
3396         the return value.
3397         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3398         solutions.
3399
3400 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3401
3402         PR c/39323
3403         * c-common.c (handle_aligned_attribute): Properly check alignment
3404         overflow.  Use (1U << i) instead of (1 << i).
3405
3406         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3407
3408         * expr.h (get_mem_align_offset): Updated.
3409
3410         * tree.h (tree_decl_common): Change align to "unsigned int" and
3411         move it before pointer_alias_set.
3412
3413 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3414             Jakub Jelinek  <jakub@redhat.com>
3415
3416         PR target/38034
3417         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3418         gr_register_operand with gr_reg_or_0_operand.
3419         (cmpxchg_rel_di): Likewise.
3420         (sync_lock_test_and_set<mode>): Likewise.
3421
3422 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3423
3424         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3425         (true_regnum): Likewise.
3426
3427         * rtlanal.c (subreg_info): Moved to ...
3428         * rtl.h (subreg_info): Here.  New.
3429         (subreg_get_info): New.
3430
3431         * rtlanal.c (subreg_get_info): Make it extern.
3432
3433 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3434
3435         PR target/39472
3436         * config/i386/i386.c (ix86_abi): New.
3437         (override_options): Handle -mabi=.
3438         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3439         (ix86_call_abi_override): Likewise.
3440         (init_cumulative_args): Likewise.
3441         (function_arg_advance): Likewise.
3442         (function_arg_64): Likewise.
3443         (function_arg): Likewise.
3444         (ix86_pass_by_reference): Likewise.
3445         (ix86_function_value_regno_p): Likewise.
3446         (ix86_build_builtin_va_list_abi): Likewise.
3447         (setup_incoming_varargs_64): Likewise.
3448         (is_va_list_char_pointer): Likewise.
3449         (ix86_init_machine_status): Likewise.
3450         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3451         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3452         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3453         (ix86_function_abi): Make it static and return enum calling_abi.
3454         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3455         with ix86_abi.
3456         (ix86_fn_abi_va_list): Updated.
3457
3458         * config/i386/i386.h (ix86_abi): New.
3459         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3460         (CONDITIONAL_REGISTER_USAGE): Likewise.
3461         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3462         (machine_function): Likewise.
3463
3464         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3465         with ix86_abi.
3466         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3467         (STACK_BOUNDARY): Likewise.
3468         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3469
3470         * config/i386/i386.opt (mabi=): New.
3471
3472         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3473         return enum calling_abi.
3474         (ix86_function_type_abi): Likewise.
3475         (ix86_function_abi): Removed.
3476
3477         * doc/invoke.texi: Document -mabi= option for x86.
3478
3479 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3480
3481         * builtins.c (real_dconstp): Delete.
3482         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3483
3484 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3485             Jakub Jelinek  <jakub@redhat.com>
3486
3487         PR debug/37959
3488         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3489         (gen_subprogram_die): When a function is explicit, generate the
3490         DW_AT_explicit attribute.
3491         * langhooks.h (struct lang_hooks_for_decls): Add
3492         function_decl_explicit_p langhook.
3493         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3494         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3495
3496 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3497
3498         * builtins.c (fold_builtin_memory_op): Optimize memmove
3499         into memcpy if we can prove source and destination don't overlap.
3500
3501         * tree-inline.c: Include gt-tree-inline.h.
3502         (clone_fn_id_num): New variable.
3503         (clone_function_name): New function.
3504         (tree_function_versioning): Use it.
3505         * Makefile.in (GTFILES): Add tree-inline.c.
3506
3507 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3508
3509         * BASE-VER: Change to 4.5.0.
3510
3511 2009-03-27  Xinliang David Li  <davidxl@google.com>
3512
3513         PR tree-optimization/39557
3514         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3515
3516 2009-03-27  Xinliang David Li  <davidxl@google.com>
3517
3518         PR tree-optimization/39548
3519         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3520         candidate check.
3521
3522 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3523
3524         * c-common.c (pointer_int_sum): Use %wd on return from
3525         tree_low_cst.
3526
3527 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3528
3529         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3530         on return from tree_low_cst.
3531
3532 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3533
3534         PR c++/36799
3535         * ginclude/stdarg.h (va_copy): Define also for
3536         __GXX_EXPERIMENTAL_CXX0X__.
3537
3538 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3539
3540         PR c++/35652
3541         * builtins.h (c_strlen): Do not warn here.
3542         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3543         * c-common.c (pointer_int_sum): Take an explicit location.
3544         Warn about offsets out of bounds.
3545         * c-common.h (pointer_int_sum): Adjust declaration.
3546
3547 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3548
3549         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3550         markup glitch.
3551
3552 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
3553
3554         PR c++/39554
3555         * opts.c (warn_if_disallowed_function_p): Don't assume
3556         get_callee_fndecl must return non-NULL.
3557
3558 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3559
3560         PR rtl-optimization/39522
3561         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3562         when reg_reloaded_valid is set.
3563
3564 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3565
3566         * config/spu/divv2df3.c: New file.
3567         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3568         (DPBIT_FUNCS): Filter out _div_df.
3569
3570 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3571
3572         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3573         a jump insn, count that jump in the distance to the loop start.
3574
3575 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3576
3577         PR target/39523
3578         * config/sh/sh.c (calc_live_regs): Fix condition for global
3579         registers except PIC_OFFSET_TABLE_REGNUM.
3580
3581 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
3582
3583         PR/39518
3584         * doc/invoke.texi (-mconsole): New.
3585         (-mcygwin): New.
3586         (-mno-cygwin): New.
3587         (-mdll): New.
3588         (-mnop-fun-dllimport): New.
3589         (-mthread): New.
3590         (-mwin32): New.
3591         (-mwindows): New.
3592         (sub section "i386 and x86-64 Windows Options"): New.
3593
3594 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
3595
3596         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3597         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3598
3599 2009-03-25  Richard Guenther  <rguenther@suse.de>
3600
3601         PR middle-end/39497
3602         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3603         of -Wno-error.
3604
3605 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
3606
3607         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3608         neither of haifa/selective schedulers are working.
3609
3610 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3611
3612         * doc/invoke.texi (Debugging Options): Fix description of
3613         -fno-merge-debug-strings.
3614
3615 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
3616
3617         * config/cris/libgcc.ver: New version-script.
3618         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3619
3620         * configure.ac <GAS features, nop mnemonic>: Add pattern
3621         crisv32-*-* for "nop".
3622         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3623         * configure: Regenerate.
3624
3625 2009-03-24  Ira Rosen  <irar@il.ibm.com>
3626
3627         PR tree-optimization/39529
3628         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3629         mark_sym_for_renaming for the tag copied to the new vector
3630         pointer.
3631
3632 2009-03-24  Arthur Loiret  <aloiret@debian.org>
3633
3634         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3635         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3636         EXTRA_SPEC_FUNCTIONS.
3637         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3638         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3639         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3640         -march and -mtune options.
3641
3642 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
3643
3644         * config/m68k/t-rtems: Add m5329 multilib.
3645
3646 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
3647             Jakub Jelinek  <jakub@redhat.com>
3648
3649         PR debug/39524
3650         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3651         nodes.
3652
3653 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3654
3655         PR c/39495
3656         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3657         instead of c_parser_expression_conv, if original_code isn't one of the
3658         4 allowed comparison codes, fail.
3659
3660 2009-03-23  Richard Guenther  <rguenther@suse.de>
3661
3662         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3663         * tree.h (struct tree_type): Likewise.
3664         * reload.h (struct insn_chain): Likewise.
3665         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3666         * function.h (struct function): Likewise.
3667         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3668
3669 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3670
3671         PR tree-optimization/39516
3672         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3673
3674 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
3675
3676         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3677         should be set true if BITS_PER_WORD of target is bigger than 32
3678
3679 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
3680
3681         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3682         Translate -B-options to -rpath-link.  Correct existing
3683         rpath-link and conditionalize on !nostdlib.
3684
3685 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3686
3687         * doc/extend.texi (Function Attributes, Variable Attributes):
3688         Fix typos.
3689         * doc/invoke.texi (Debugging Options, Optimize Options)
3690         (i386 and x86-64 Options, MCore Options): Likewise.
3691
3692 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
3693
3694         PR debug/37890
3695         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3696         it for block local namespace aliases.
3697         (gen_decl_die): Pass context_die to gen_namespace_die.
3698
3699 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3700
3701         PR c/39495
3702         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3703         minimum or maximum value.
3704
3705 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
3706
3707         * reginfo.c (globalize_reg): Recompute derived reg sets.
3708
3709 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
3710
3711         PR target/39063
3712         * libgcc2.c (mprotect): Do not use signed arguments for
3713         VirtualProtect, use DWORD arguments.  Also fix the 'may
3714         be used uninitialized' warning for the np variable.
3715
3716 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR target/39496
3719         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3720         functions using regparm calling conventions when not optimizing.
3721         (ix86_function_sseregparm): Similarly for sseregparm calling
3722         conventions.
3723
3724 2009-03-19  Li Feng  <nemokingdom@gmail.com>
3725
3726         PR middle-end/39500
3727         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3728         dependence if the first conflict is after niter iterations.
3729
3730 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
3731
3732         PR middle-end/38609
3733         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3734         functions with dynamic stack-pointer adjustments.
3735
3736 2009-03-19  Ben Elliston  <bje@au.ibm.com>
3737
3738         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3739         option; change to -msdata=data.
3740
3741 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3742
3743         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3744         and -fopenmp.
3745
3746 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
3747
3748         PR target/35180
3749         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3750
3751 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
3752
3753         * doc/invoke.texi (Code Gen Options): Expand discussion of
3754         -fno-common.
3755
3756 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
3757
3758         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3759         * matrix-reorg.c (struct matrix_info): Likewise.
3760         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3761         * rtl.h (struct mem_attrs): Likewise.
3762         * df.h (struct df): Likewise.
3763         * tree-data-ref.h (struct data_dependence_relation): Likewise.
3764         * ira-int.h (struct ira_allocno): Likewise.
3765         * df-scan.c (struct df_collection_rec): Likewise.
3766         * ira.c (struct equivalence): Likewise.
3767         * function.c (struct temp_slot): Likewise.
3768         * cfgloop.h (struct loop): Likewise.
3769
3770         PR debug/39485
3771         * function.c (use_register_for_decl): When not optimizing, disregard
3772         register keyword for variables with types containing methods.
3773
3774 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
3775
3776         PR middle-end/39447
3777         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3778         (is_simple_operand): Call contains_component_ref_p before calling data
3779         reference analysis that would fail on COMPONENT_REFs.
3780
3781         * tree-vrp.c (search_for_addr_array): Fix formatting.
3782
3783 2009-03-18  Richard Guenther  <rguenther@suse.de>
3784
3785         * tree-vect-transform.c (vect_loop_versioning): Fold the
3786         generated comparisons.
3787         * tree-vectorizer.c (set_prologue_iterations): Likewise.
3788         (slpeel_tree_peel_loop_to_edge): Likewise.
3789
3790 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3791
3792         PR middle-end/37805
3793         * opts.c (print_specific_help): In addition to `undocumented',
3794         accept `separate' and `joined' flags if passed alone.  Describe
3795         output by the first matched one of those.
3796         (common_handle_option): Skip over empty strings.
3797         * gcc.c (display_help): Fix help string for `--help='.
3798         * doc/invoke.texi (Option Summary, Overall Options): With
3799         `--help=', classes and qualifiers can both be repeated, but
3800         only the latter can be negated.  One should not pass only
3801         negated qualifiers.  Fix markup and examples.
3802
3803         Revert
3804         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
3805         PR middle-end/37805
3806         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3807         and -fhelp=separate.
3808
3809 2009-03-17  Jing Yu  <jingyu@google.com>
3810
3811         PR middle-end/39378
3812         * function.h (struct rtl_data): Move is_thunk from here...
3813         (struct function): ...to here.
3814         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3815         * varasm.c (assemble_start_function): Change is_thunk from crtl to
3816         cfun.
3817         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3818         cfun.
3819         (alpha_does_function_need_gp, alpha_start_function): Likewise.
3820         (alpha_output_function_end_prologue): Likewise.
3821         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3822         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3823         (rs6000_output_function_epilogue): Likewise.
3824         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3825
3826 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
3827
3828         PR target/39482
3829         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3830         from different units in a single alternative.
3831         (*truncdfsf_i387): Ditto.
3832         (*truncxfsf2_mixed): Ditto.
3833         (*truncxfdf2_mixed): Ditto.
3834
3835 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
3836
3837         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3838         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3839
3840         PR debug/39474
3841         * tree-ssa-live.c (remove_unused_locals): Don't remove local
3842         unused non-artificial variables when not optimizing.
3843
3844         PR debug/39471
3845         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3846         DW_TAG_imported_module even if decl is IMPORTED_DECL with
3847         NAMESPACE_DECL in its DECL_INITIAL.
3848
3849         PR middle-end/39443
3850         * optabs.c (set_user_assembler_libfunc): New function.
3851         * expr.h (set_user_assembler_libfunc): New prototype.
3852         * c-common.c: Include libfuncs.h.
3853         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3854         for memcmp, memset, memcpy, memmove and abort.
3855         * Makefile.in (c-common.o): Depend on libfuncs.h.
3856
3857         PR debug/39412
3858         * dwarf2out.c (gen_inlined_enumeration_type_die,
3859         gen_inlined_structure_type_die, gen_inlined_union_type_die,
3860         gen_tagged_type_instantiation_die): Removed.
3861         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3862         do nothing.
3863
3864 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
3865
3866         PR testsuite/38526
3867         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3868         its use.
3869         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3870         (check-parallel-%): Ditto.
3871         (check-consistency): Ditto.
3872
3873 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
3874
3875         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3876         local variable rhs by NULL_TREE.
3877
3878 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3879
3880         PR target/39477
3881         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3882
3883 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3884
3885         PR target/39476
3886         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3887
3888 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3889
3890         PR target/39473
3891         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3892         for ms->sysv ABI calls only in 64bit mode.
3893
3894         * config/i386/i386.md (untyped_call): Support 32bit.
3895
3896 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
3897
3898         * doc/extend.texi: Replace x86_65 with x86_64.
3899
3900 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
3901
3902         PR tree-optimization/39455
3903         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3904         mismatches for POINTER_TYPE_P (type).
3905         (number_of_iterations_le): Likewise.
3906
3907 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
3908
3909         * config/picochip/picochip.c: Removed profiling support.
3910         * config/picochip/picochip.md: Removed profiling instruction.
3911         * config/picochip/picochip.h: Removed profiling builtin.
3912
3913 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
3914
3915         * doc/install.texi (--with-host-libstdcxx): Document.
3916
3917 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
3918
3919         PR target/34299
3920         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3921         generate a warning if the function name does not begin with
3922         "__vector" and the function has either the 'signal' or 'interrupt'
3923         attribute, from here to ...
3924         (avr_declare_function_name): ...here. New function.
3925         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3926         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3927
3928 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
3929
3930         PR bootstrap/39454
3931         * cse.c (fold_rtx): Don't modify original const_arg1 when
3932         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3933         separate variable instead.
3934         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3935         from out of range shift counts.
3936         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3937
3938 2008-03-13  Catherine Moore  <clm@codesourcery.com>
3939
3940         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3941         diagnostic.h with $(DIAGNOSTIC_H).
3942
3943 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
3944
3945         PR target/39431
3946         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3947         predicate.
3948         * config/i386/sync.md (sync_compare_and_swap<mode>,
3949         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3950         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3951         into a register.
3952         (sync_double_compare_and_swapdi_pic,
3953         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3954         cmpxchg8b_pic_memory_operand instead of just memory_operand.
3955
3956 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3957
3958         PR target/39445
3959         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3960
3961 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3962
3963         PR target/39327
3964         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3965         (avx_addsubv4df3): Likewise.
3966         (*avx_addsubv4sf3): Likewise.
3967         (sse3_addsubv4sf3): Likewise.
3968
3969 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3970
3971         PR target/38824
3972         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3973
3974 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3975
3976         PR debug/39432
3977         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3978         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3979         registers for allocnos created from user-defined variables.
3980
3981 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3982
3983         PR target/39181
3984         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3985         of non-integer mode as well.
3986
3987 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
3988
3989         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3990         for functions for which the parameter types are unknown.
3991
3992 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
3993
3994         PR target/39137
3995         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3996         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3997         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3998         * config/i386/i386.c (ix86_local_alignment): For
3999         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4000         long long variables on the stack to avoid dynamic realignment.
4001         Allow the first argument to be a decl rather than type.
4002         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4003
4004 2009-03-11  Nick Clifton  <nickc@redhat.com>
4005
4006         PR target/5362
4007         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4008         options.
4009         Add description to mno-lsim option.
4010         * config/mcore/mcore.h: Remove comment about deprecated m4align
4011         option.
4012         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4013         * doc/invoke.texi: Add description of mno-lsim and
4014         mstack-increment options.
4015
4016         * config/fr30/fr30.opt: Document the -mno-lsim option.
4017         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4018         and -mno-lsim options.
4019
4020 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4021
4022         * fold-const.c (fold_comparison): Only call fold_inf_compare
4023         if the mode supports infinities.
4024
4025 2009-03-11  Jason Merrill  <jason@redhat.com>
4026
4027         PR debug/39086
4028         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4029         end already did.  Notice GIMPLE_CALL modifications of the result.
4030         Don't copy debug information from an ignored decl or a decl from
4031         another function.
4032
4033 2009-03-10  Richard Guenther  <rguenther@suse.de>
4034             Nathan Froyd  <froydnj@codesourcery.com>
4035
4036         PR middle-end/37850
4037         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4038         (__divMODE3): Likewise.
4039
4040 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4041
4042         PR tree-optimization/39394
4043         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4044         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4045
4046 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4047
4048         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4049         inline asms for register asm ("") declarations.
4050
4051 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4052
4053         * fold-const.c (fold_unary): Fix comment.
4054
4055 2009-03-07  Jan Hubicka  <jh@suse.cz>
4056
4057         PR target/39361
4058         * tree-inline.c (setup_one_parameter): Do replacement of const
4059         argument by constant in SSA form.
4060
4061 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4062
4063         PR middle-end/38028
4064         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4065         determine alignment passed to assign_stack_local.
4066         (assign_parms_unsplit_complex): Likewise.
4067         * except.c (sjlj_build_landing_pads): Likewise.
4068
4069 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4070
4071         PR middle-end/39360
4072         * tree-flow.h (add_referenced_var): Return bool instead of void.
4073         * tree-dfa.c (add_referenced_var): Return result of
4074         referenced_var_check_and_insert call.
4075         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4076         of referenced_var_check_and_insert.
4077
4078         PR debug/39372
4079         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4080         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4081         DIE, don't emit it if abstract origin already has it.
4082         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4083         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4084
4085 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4086
4087         * genpreds.c (needs_variable): Fix parentheses at variable name
4088         detection.
4089         (write_tm_constrs_h): Indent generated code.
4090
4091 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4092
4093         * doc/extend.texi (Function Attributes): Add documentation
4094         for isr attributes.
4095
4096 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4097
4098         PR debug/39387
4099         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4100         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4101
4102 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4103
4104         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4105         the loop as bad.
4106
4107 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4108
4109         PR debug/39379
4110         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4111         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4112
4113 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4114
4115         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4116         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4117         constants instead of magic numbers.
4118         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4119         (QI_REG_P): Ditto.
4120         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4121         (x86_64_ms_abi_int_parameter_registers): Ditto.
4122         (x86_64_int_return_registers): Ditto.
4123         (ix86_maybe_switch_abi): Ditto.
4124         (ix86_expand_call): Ditto for clobbered_registers array.
4125         (ix86_hard_regno_mode_ok): Ditto.
4126         (x86_extended_QIreg_mentioned_p): Ditto.
4127
4128 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4129
4130         PR tree-optimization/39349
4131         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4132
4133         * combine.c (gen_lowpart_for_combine): Use omode when generating
4134         clobber.
4135
4136 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4137
4138         PR rtl-optimization/39235
4139         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4140
4141 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4142
4143         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4144
4145 2009-03-04  Richard Guenther  <rguenther@suse.de>
4146
4147         PR tree-optimization/39362
4148         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4149         that occur in abnormal PHIs should be varying.
4150
4151 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4152
4153         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4154         Extend comments.
4155         (simple_iv):  Take loop as an argument instead of statement.
4156         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4157         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4158         to simple_iv.
4159         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4160         Ditto.
4161         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4162         * matrix-reorg.c (analyze_transpose): Ditto.
4163         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4164         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4165         * tree-predcom.c (ref_at_iteration): Ditto.
4166         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4167
4168 2009-03-04  Richard Guenther  <rguenther@suse.de>
4169
4170         PR tree-optimization/39358
4171         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4172         escaped_id and callused_id.
4173         (solve_graph): Likewise.
4174
4175 2009-03-04  Richard Guenther  <rguenther@suse.de>
4176
4177         PR tree-optimization/39339
4178         * tree-sra.c (try_instantiate_multiple_fields): Make it
4179         no longer ICE on the above.
4180
4181 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4182
4183         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4184         that fits within Pmode.
4185
4186 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4187
4188         PR middle-end/10109
4189         * tm.texi (LIBCALL_VALUE): Update description.
4190
4191 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4192
4193         PR middle-end/34443
4194         * doc/extend.texi (section): Update description.
4195
4196 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4197
4198         PR middle-end/39345
4199         * tree-inline.c (remapped_type): New.
4200         (can_be_nonlocal): Call remapped_type instead of remap_type.
4201
4202 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4203
4204         PR fortran/39354
4205         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4206         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4207
4208 2009-03-03  Richard Guenther  <rguenther@suse.de>
4209
4210         PR middle-end/39272
4211         * tree.c (tree_nonartificial_location): New function.
4212         * tree.h (tree_nonartificial_location): Declare.
4213         * builtins.c (expand_builtin_memory_chk): Provide location
4214         of the call location for artificial function pieces.
4215         (maybe_emit_chk_warning): Likewise.
4216         (maybe_emit_sprintf_chk_warning): Likewise.
4217         (maybe_emit_free_warning): Likewise.
4218         * expr.c (expand_expr_real_1): Likewise.
4219
4220 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4221
4222         PR tree-optimization/39343
4223         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4224         COMPONENT_REF t has ARRAY_TYPE.
4225
4226 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4227
4228         PR middle-end/39335
4229         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4230         when the type precision of the induction variable should be
4231         larger than the type precision of nit.
4232         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4233         * graphite.c (graphite_loop_normal_form): Same.
4234         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4235
4236 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4237
4238         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4239         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4240         numbers to describe clobbered registers.
4241         (*call_value_0_rex64_ms_sysv): Ditto.
4242         * config/i386/mmx.md (mmx_emms): Ditto.
4243         (mmx_femms): Ditto.
4244
4245 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4246
4247         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4248         of ABI_64.
4249
4250 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4251
4252         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4253         (spu_section_type_flags): New function.
4254
4255 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4256
4257         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4258         reg_class_contents of FLOAT_REGS into a temporary.
4259
4260 2009-03-02  Richard Guenther  <rguenther@suse.de>
4261             Ira Rosen  <irar@il.ibm.com>
4262
4263         PR tree-optimization/39318
4264         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4265         information to the vectorized statement.
4266
4267 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4268
4269         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4270         variable.  Use defined names instead of magic constants for REX SSE
4271         registers.
4272
4273 2009-03-01  Richard Guenther  <rguenther@suse.de>
4274
4275         PR tree-optimization/39331
4276         * omp-low.c (lower_send_shared_vars): Do not receive new
4277         values for the reference of DECL_BY_REFERENCE parms or results.
4278
4279 2009-03-01  Jan Hubicka  <jh@suse.cz>
4280
4281         PR debug/39267
4282         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4283         BLOCK_NONLOCALIZED_VAR): New macros.
4284         (tree_block): Add nonlocalized_vars.
4285         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4286         gen_decl_die): Add origin argument.  Allow generation of die with
4287         origin at hand only.
4288         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4289         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4290         of gen_*.
4291         (gen_block_die): Fix checking for unused blocks.
4292         (process_scope_var): Break out from .... ; work with origins only.
4293         (decls_for_scope) ... here; process nonlocalized list.
4294         (dwarf2out_ignore_block): Look for nonlocalized vars.
4295         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4296         vars.
4297         (dump_scope_block): Dump them.
4298         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4299         (remap_block): Likewise.
4300         (can_be_nonlocal): New predicate.
4301         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4302
4303 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4304
4305         * configure: Regenerate.
4306
4307 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4308
4309         * optc-gen.awk: No need to duplicate option flags twice.
4310         Reuse help texts for duplicate options which do not have any.
4311
4312         * gcc.c (display_help): Document --version.
4313
4314         * gcc.c (main): If print_help_list and verbose_flag, ensure
4315         driver output comes before subprocess output.
4316
4317         * optc-gen.awk: Assign all remaining fields to help string,
4318         space-separated, for multi-line help in *.opt.
4319
4320         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4321         -Wno-pedantic-ms-format is for MinGW targets only.
4322
4323         * doc/options.texi (Option file format): Fix bad indentation,
4324         restoring dropped sentence.
4325
4326 2009-02-28  Jan Hubicka  <jh@suse.cz>
4327
4328         * tree-inline.c (tree_function_versioning): Output debug info.
4329
4330 2009-02-28  Jan Hubicka  <jh@suse.cz>
4331
4332         PR debug/39267
4333         * tree-inline.c (setup_one_parameter): Do not copy propagate
4334         arguments when not optimizing.
4335
4336 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4337
4338         PR target/39327
4339         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4340         (avx_addsubv4df3): Likewise.
4341         (*avx_addsubv4sf3): Likewise.
4342         (sse3_addsubv4sf3): Likewise.
4343         (*avx_addsubv2df3): Likewise.
4344         (sse3_addsubv2df3): Likewise.
4345         (avx_unpckhps256): Correct item selectors.
4346         (avx_unpcklps256): Likewise.
4347         (avx_unpckhpd256): Likewise.
4348         (avx_unpcklpd256): Likewise.
4349
4350 2009-02-28  Jan Hubicka  <jh@suse.cz>
4351
4352         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4353         static vars.
4354         (copy_arguments_for_versioning): If var is declared don't declare it.
4355         (tree_function_versioning): First setup substitutions and then copy
4356         args.
4357
4358 2009-02-27  Jan Hubicka  <jh@suse.cz>
4359
4360         PR debug/39267
4361         * cgraph.h (varpool_output_debug_info): Remove.
4362         * cgraphunit.c (varpool_output_debug_info): Remove.
4363         * dwarf2out.c (deferred_locations_struct): New struct
4364         (deferred_locations): New type.
4365         (deferred_locations_list): New static var.
4366         (deffer_location): New function.
4367         (gen_variable_die): Use it.
4368         (decls_for_scope): Output info on local static vars.
4369         (dwarf2out_finish): Process deferred locations.
4370         * varpool.c (varpool_output_debug_info): Remove.
4371
4372 2009-02-27  Jan Hubicka  <jh@suse.cz>
4373
4374         PR debug/39267
4375         * tree.h (TREE_PROTECTED): Fix comment.
4376         (BLOCK_HANDLER_BLOCK): Remove.
4377         (struct tree_block): Remove handler_block add body_block.
4378         (inlined_function_outer_scope_p): New.
4379         (is_body_block): Remove.
4380         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4381         * dwarf2out.c (is_inlined_entry_point): Remove.
4382         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4383         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4384         code.
4385         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4386         * gimplify.c (gimplify_expr): Gimplify body blocks.
4387         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4388         block with multiple subblocks.
4389         (dump_scope_block): Prettier output; dump more flags and info.
4390         (dump_scope_blocks): New.
4391         (remove_unused_locals): Use dump_scope_blocks.
4392         * tree-flow.h (dump_scope_blocks): Declare.
4393         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4394         * stmt.c (is_body_block): Remove.
4395         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4396         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4397
4398 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4399
4400         PR middle-end/39308
4401         * graphite.c (graphite_loop_normal_form): Do not call
4402         number_of_iterations_exit from a gcc_assert.
4403
4404 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4405
4406         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4407         jumps if COND is NULL.
4408         (find_cond_jump): New function.
4409         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4410         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4411
4412 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4413
4414         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4415         force_const_mem returns NULL_RTX.
4416
4417 2009-02-26  Jan Hubicka  <jh@suse.cz>
4418
4419         PR debug/39267
4420         * cgraph.h (varpool_output_debug_info): Remove.
4421         * cgraphunit.c (varpool_output_debug_info): Remove.
4422         * dwarf2out.c (deferred_locations_struct): New struct
4423         (deferred_locations): New type.
4424         (deferred_locations_list): New static var.
4425         (deffer_location): New function.
4426         (gen_variable_die): Use it.
4427         (decls_for_scope): Output info on local static vars.
4428         (dwarf2out_finish): Process deferred locations.
4429         * varpool.c (varpool_output_debug_info): Remove.
4430
4431 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4432
4433         PR rtl-optimization/39241
4434         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4435         to subreg_offset_representable_p.
4436
4437 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4438
4439         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4440         execute function prototype.  Get f and nregs from max_reg_num
4441         and get_insns.  Remove the first backward pass as it's dead,
4442         guard the forward pass by flag_expensive_optimizations.
4443         (rest_of_handle_regmove): Delete.
4444         (pass_regmove): Replace it with regmove_optimize.
4445
4446 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4447
4448         PR tree-optimization/39259
4449         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4450         calls_alloca function flags.
4451         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4452         calls are detected.
4453
4454 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4455
4456         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4457         flags_set_1_rtx, flags_set_1_set): Delete.
4458         (regmove_optimize): Do not call mark_flags_life_zones.
4459
4460 2009-02-24  Julian Brown  <julian@codesourcery.com>
4461
4462         PR target/35965
4463         * config/arm/arm.c (require_pic_register): Only set
4464         cfun->machine->pic_reg once per function.
4465
4466 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4467
4468         * doc/invoke.texi (Link Options): Document an easier way to pass
4469         options that take arguments to the GNU linker using -Xlinker and -Wl.
4470
4471 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4472
4473         PR target/33785
4474         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4475
4476 2009-02-24  Richard Guenther  <rguenther@suse.de>
4477
4478         PR debug/39285
4479         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4480
4481 2009-02-24  Richard Guenther  <rguenther@suse.de>
4482             Zdenek Dvorak  <ook@ucw.cz>
4483
4484         PR tree-optimization/39233
4485         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4486         from converting them to a generic type.
4487
4488 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4489
4490         PR tree-optimization/39260
4491         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4492         contains a condition with a real type.
4493         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4494
4495 2009-02-23  Jason Merrill  <jason@redhat.com>
4496
4497         PR c++/38880
4498         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4499         narrowing_initializer_constant_valid_p.
4500         (narrowing_initializer_constant_valid_p): Don't return
4501         null_pointer_node for adding a pointer to itself.
4502
4503 2009-02-23  Jan Hubicka  <jh@suse.cz>
4504
4505         PR c/12245
4506         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4507         resizing.
4508
4509 2009-02-23  Jan Hubicka  <jh@suse.cz>
4510
4511         PR tree-optimization/37709
4512         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4513         * tree.h (block_ultimate_origin): Declare.
4514         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4515         * tree-ssa-live.c (remove_unused_scope_block_p):
4516         Eliminate blocks containig no instructions nor live variables nor
4517         nested blocks.
4518         (dump_scope_block): New function.
4519         (remove_unused_locals): Enable removal of dead blocks by default;
4520         enable dumping at TDF_DETAILS.
4521
4522 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4523
4524         * config/i386/i386.c (classify_argument): Don't allow COImode
4525         and OImode.
4526         (function_arg_advance_32): Don't allow OImode.
4527         (function_arg_32): Likewise.
4528         (function_value_32): Likewise.
4529         (return_in_memory_32): Likewise.
4530         (function_arg_64): Remove OImode comment.
4531
4532 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4533
4534         PR target/39261
4535         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4536         ix86_expand_vector_set for V4DImode in 64bit mode only.
4537         (ix86_expand_vector_init_one_var): Likewise.
4538
4539 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4540
4541         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4542
4543 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4544
4545         PR bootstrap/39257
4546         * loop-iv.c: Revert last change.
4547         * emit-rtl.c: Likewise.
4548
4549 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4550
4551         PR target/39256
4552         * config/i386/i386.c (type_natural_mode): Remove an extra
4553         space in the warning message.
4554         (function_value_32): Handle 32-byte vector modes.
4555         (return_in_memory_32): Likewise.
4556
4557 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4558
4559         * loop-iv.c (truncate_value): New function.
4560         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4561         of lowpart_subreg.
4562         (lowpart_subreg): Move to...
4563         * emit-rtl.c: ...here.
4564
4565 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
4566
4567         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4568         accidental and undocumented change at revision 140860.
4569
4570 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
4571
4572         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4573         take gimple_seq * arguments.
4574         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4575         types_compatible_p langhook.
4576
4577 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
4578             Joseph Myers  <joseph@codesourcery.com>
4579
4580         * config/arm/arm.c (arm_builtin_va_list): New function.
4581         (arm_expand_builtin_va_start): Likewise.
4582         (arm_gimplify_va_arg_expr): Likewise.
4583         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4584         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4585         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4586         (va_list_type): New variable.
4587         (arm_mangle_type): Mangle va_list_type appropriately.
4588
4589 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4590
4591         PR middle-end/39157
4592         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4593         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4594         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4595         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4596         parameter to 1000 for -O1 by default.
4597         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4598         parameter.
4599         * loop-invariant.c: Include params.h.
4600         (move_loop_invariants): Don't call move_single_loop_invariants on
4601         very large loops.
4602
4603 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
4604
4605         * calls.c (emit_library_call_value_1): Use slot_offset instead of
4606         offset when calculating bounds for indexing stack_usage_map.  Fixes
4607         a buffer overflow with certain target setups.
4608
4609 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4610
4611         PR target/39240
4612         * calls.c (expand_call): Clear try_tail_call if caller and callee
4613         disagree in promotion of function return value.
4614
4615 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
4616
4617         PR target/39175
4618         * c-common.c (c_determine_visibility): If visibility changed and
4619         DECL_RTL has been already set, call make_decl_rtl to update symbol
4620         flags.
4621
4622 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
4623
4624         PR c++/39188
4625         * varasm.c (assemble_variable): Don't check DECL_NAME when
4626         globalizing a variable.
4627
4628 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
4629
4630         PR c/38483
4631         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4632         expression before any __builtin_trap call.
4633         * c-typeck.c (build_function_call): Convert and check function
4634         arguments before generating a call to a trap.  Evaluate the
4635         function arguments before the trap.
4636
4637 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
4638
4639         PR target/39228
4640         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4641         (UNSPEC_FXAM_MEM): New unspec.
4642         (fxam<mode>2_i387_with_temp): New insn and split pattern.
4643         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
4644         memory using fxam<mode>2_i387_with_temp to remove excess precision.
4645
4646 2009-02-19  Richard Guenther  <rguenther@suse.de>
4647
4648         PR tree-optimization/39207
4649         PR tree-optimization/39074
4650         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4651         storedanything_tree): New.
4652         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
4653         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4654         (build_succ_graph): Add edges from STOREDANYTHING to all
4655         non-direct nodes.
4656         (init_base_vars): Initialize STOREDANYTHING.
4657         (compute_points_to_sets): Free substitution info after
4658         building the succ graph.
4659         (ipa_pta_execute): Likewise.
4660
4661         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4662         field.
4663         (do_ds_constraint): Do not add to special var or non-pointer
4664         field solutions.
4665         (type_could_have_pointers): Split out from ...
4666         (could_have_pointers): ... here.  For arrays use the element type.
4667         (create_variable_info_for): Initialize may_have_pointers.
4668         (new_var_info): Likewise.
4669         (handle_lhs_call): Make the HEAP variable unknown-sized.
4670         (intra_create_variable_infos): Use a type with pointers for
4671         PARM_NOALIAS, make it unknown-sized.
4672
4673 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4674
4675         PR target/39224
4676         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4677
4678 2009-02-18  Jason Merrill  <jason@redhat.com>
4679
4680         PR target/39179
4681         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4682         value if DECL_EXTERNAL.
4683         * tree-sra.c (sra_walk_gimple_assign): Likewise.
4684         * target.h (gcc_target::binds_local_p): Clarify "module".
4685         * tree.h (TREE_PUBLIC): Clarify "module".
4686
4687 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
4688
4689         PR target/38891
4690         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4691         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4692
4693 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
4694
4695         PR target/39082
4696         * c.opt (Wabi): Support C and ObjC.
4697         (Wpsabi): New.
4698
4699         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4700
4701         * config/i386/i386.c (classify_argument): Warn once about the ABI
4702         change when passing union with long double.
4703
4704         * doc/invoke.texi: Update -Wabi for warning psABI changes.
4705
4706 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
4707
4708         PR c/35447
4709         * c-parser.c (c_parser_compound_statement): Always enter and leave
4710         a scope.
4711
4712 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4713
4714         PR target/34587
4715         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4716
4717 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
4718
4719         PR tree-optimization/36922
4720         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4721         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4722         Likewise.
4723
4724 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4725
4726         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4727         to 0 for EABI64.
4728
4729 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4730
4731         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4732
4733 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4734
4735         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4736         tree sharing.
4737
4738 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
4739             Richard Sandiford  <rdsandiford@googlemail.com>
4740
4741         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4742         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4743         (loongson_biadd): ...this.
4744
4745 2009-02-17  Richard Guenther  <rguenther@suse.de>
4746
4747         PR tree-optimization/39202
4748         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4749         a var make sure to follow existing collapses.
4750
4751 2009-02-17  Richard Guenther  <rguenther@suse.de>
4752
4753         PR middle-end/39214
4754         * langhooks.c (lhd_print_error_function): Check for NULL block.
4755
4756 2009-02-17  Richard Guenther  <rguenther@suse.de>
4757
4758         PR tree-optimization/39204
4759         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4760         of the PHI arg.
4761
4762 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
4763
4764         * config/soft-fp/double.h: Update from glibc CVS.
4765
4766 2009-02-17  Richard Guenther  <rguenther@suse.de>
4767
4768         PR tree-optimization/39207
4769         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4770         strict-aliasing warnings for pointers pointing to NULL.
4771
4772 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
4773
4774         PR c/35446
4775         * c-parser.c (c_parser_braced_init): Call pop_init_level when
4776         skipping until next close brace.
4777
4778 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
4779
4780         PR target/37049
4781         * config/i386/i386.c (ix86_expand_push): Set memory alignment
4782         to function argument boundary.
4783
4784 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
4785
4786         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4787         in the lea_add. Reload eventually constraints it properly.
4788         * config/picochip/constraints.md : Remove the target constraint
4789         "b", since it is not needed anymore.
4790
4791 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
4792
4793         * gthr-dce.h: Uglify function parameter and local variable names.
4794         * gthr-gnat.h: Likewise.
4795         * gthr-mipssde.h: Likewise.
4796         * gthr-nks.h: Likewise.
4797         * gthr-posix95.h: Likewise.
4798         * gthr-posix.h: Likewise.
4799         * gthr-rtems.h: Likewise.
4800         * gthr-single.h: Likewise.
4801         * gthr-solaris.h: Likewise.
4802         * gthr-tpf.h: Likewise.
4803         * gthr-vxworks.h: Likewise.
4804         * gthr-win32.h: Likewise.
4805
4806 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
4807
4808         PR target/39196
4809         * config/i386/i386.md: Restrict the new peephole2 to move
4810         between MMX/SSE registers.
4811
4812 2009-02-15  Richard Guenther  <rguenther@suse.de>
4813
4814         Revert
4815         2009-02-13  Richard Guenther  <rguenther@suse.de>
4816
4817         * configure.ac: Enable LFS.
4818         * configure: Re-generate.
4819         * config.in: Likewise.
4820
4821 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4822
4823         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4824         spu_srqwbyte, spu_srqwbytebc): Define.
4825         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4826         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4827         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4828         "shrqby_<mode>"): New insn-and-split patterns.
4829         * config/spu/spu.c (expand_builtin_args): Determine and return
4830         number of operands using spu_builtin_description data.
4831         (spu_expand_builtin_1): Use it.
4832
4833 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
4834
4835         PR target/38056
4836         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4837         TARGET_CONST_GP.
4838
4839 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4840
4841         PR target/39149
4842         * config/i386/i386.c (override_options): Correct warning
4843         messages for -malign-loops, -malign-jumps and -malign-functions.
4844
4845 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4846
4847         PR target/39152
4848         * config/i386/i386.md: Restrict the new peephole2 to move
4849         between the general purpose registers.
4850
4851 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4852
4853         PR target/39162
4854         * config/i386/i386.c (type_natural_mode): Add a new argument.
4855         Return the original mode and warn ABI change if vector size is 32byte.
4856         (function_arg_advance): Updated.
4857         (function_arg): Likewise.
4858         (ix86_function_value): Likewise.
4859         (ix86_return_in_memory): Likewise.
4860         (ix86_sol10_return_in_memory): Likewise.
4861         (ix86_gimplify_va_arg): Likewise.
4862         (function_arg_32): Don't warn ABX ABI change here.
4863         (function_arg_64): Likewise.
4864
4865 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4866
4867         * loop-iv.c (implies_p): In the final case, test that operands 0
4868         of the two comparisons match.
4869
4870         * config/bfin/bfin.c (find_prev_insn_start): New function.
4871         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4872         (find_next_insn_start): Move.
4873
4874 2009-02-13  Richard Guenther  <rguenther@suse.de>
4875
4876         * configure.ac: Enable LFS.
4877         * configure: Re-generate.
4878         * config.in: Likewise.
4879
4880 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
4881
4882         PR c/35444
4883         * c-parser.c (c_parser_parms_list_declarator): Discard pending
4884         sizes on syntax error after some arguments have been parsed.
4885
4886 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
4887
4888         * doc/invoke.texi (-fira): Remove.
4889
4890 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4891
4892         * caller-save.c: Replace regclass.c with reginfo.c in comments.
4893         * recog.c: Likewise.
4894         * rtl.h: Likewise.
4895
4896 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
4897
4898         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4899         (umul_ppmm): Likewise.
4900         (count_leading_zeros): Likewise.
4901         (count_trailing_zeros): Likewise.
4902         (UMUL_TIME): Likewise.
4903
4904 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4905
4906         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4907         soft-fp/t-softfp to tmake_file.
4908
4909         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4910         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4911         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4912         IA64_BUILTIN_INFQ]: New.
4913         (ia64_init_builtins): Initialize __builtin_infq,
4914         __builtin_fabsq and __builtin_copysignq if not HPUX.
4915         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4916         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4917
4918         * config/ia64/lib1funcs.asm (__divtf3): Define only if
4919         SHARED is defined.
4920         (__fixtfti): Likewise.
4921         (__fixunstfti): Likewise.
4922         (__floattitf): Likewise.
4923
4924         * config/ia64/libgcc-glibc.ver: New.
4925         * config/ia64/t-fprules-softfp: Likewise.
4926         * config/ia64/sfp-machine.h: Likewise.
4927
4928         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4929         (LIBGCC2_TF_CEXT): Likewise.
4930         (TF_SIZE): Likewise.
4931         (TARGET_INIT_LIBFUNCS): Likewise.
4932
4933         * config/ia64/t-glibc (SHLINB_MAPFILES):
4934         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4935
4936 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
4937
4938         * config/i386/i386.c (construct_container): Rewrite processing
4939         BLKmode with X86_64_SSE_CLASS.
4940
4941 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
4942
4943         PR target/39152
4944         * config/i386/i386.md: Replace simplify_replace_rtx with
4945         replace_rtx in the new peephole2.
4946
4947 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
4948
4949         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4950         loop unrolling do not happen at -O2.
4951
4952 2009-02-12  Michael Matz  <matz@suse.de>
4953
4954         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4955
4956 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
4957
4958         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4959         for -g3.
4960
4961 2009-02-12  Ben Elliston  <bje@au.ibm.com>
4962
4963         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4964         patterns when updating the back chain.  Missed in the 2009-02-10
4965         change.
4966
4967 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
4968
4969         * doc/extend.texi (Decimal Floating Types): Update identifier of
4970         draft TR and list of missing support.
4971
4972 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
4973
4974         PR middle-end/39154
4975         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4976         bit to variable length decl's flags, add it also to its
4977         pointer replacement variable.
4978
4979 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
4980             Jakub Jelinek  <jakub@redhat.com>
4981
4982         PR target/39118
4983         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4984         (memory_blockage): New expander.
4985         (*memory_blockage): New insn pattern.
4986         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4987         instead of general blockage at the end of function prologue when
4988         frame pointer is used to access red zone area.  Do not emit blockage
4989         when profiling, it is emitted in generic code.
4990         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4991         function epilogue when frame pointer is used to access red zone area.
4992
4993 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
4994
4995         PR target/38824
4996         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4997         by arithmetic with memory operands.
4998         * config/i386/predicates.md (commutative_operator): New.
4999
5000 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5001
5002         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5003         bulleted lists.
5004
5005 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5006
5007         * alias.h (record_alias_subset): Declare.
5008         * alias.c (record_alias_subset): Make global.
5009
5010 2009-02-10  Nick Clifton  <nickc@redhat.com>
5011
5012         * tree-parloops.c: Change license to GPLv3.
5013         * ipa-struct-reorg.c: Change license to GPLv3.
5014         * ipa-struct-reorg.h: Change license to GPLv3.
5015
5016 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5017
5018         PR c/39084
5019         * c-decl.c (start_struct): Return NULL on error.
5020
5021 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5022
5023         PR middle-end/39124
5024         * cfgloopmanip.c (remove_path): Call remove_bbs after
5025         cancel_loop_tree, not before it.
5026
5027         PR target/39139
5028         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5029         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5030         VAR_DECLs were seen.
5031         * tree-ssa-live.c (remove_unused_locals): Recompute
5032         cfun->has_local_explicit_reg_vars.
5033         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5034         copies or clearings if cfun->has_local_explicit_reg_vars.
5035
5036 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5037
5038         PR target/39118
5039         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5040         of function prologue when frame pointer is used to access
5041         red zone area.
5042
5043 2009-02-10  Richard Guenther  <rguenther@suse.de>
5044
5045         PR middle-end/39127
5046         * gimplify.c (gimple_regimplify_operands): Always look if
5047         we need to create a temporary.
5048
5049 2009-02-10  Richard Guenther  <rguenther@suse.de>
5050
5051         PR tree-optimization/39132
5052         * tree-loop-distribution.c (todo): New global var.
5053         (generate_memset_zero): Trigger TODO_rebuild_alias.
5054         (tree_loop_distribution): Return todo.
5055
5056 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5057
5058         PR target/39119
5059         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5060         (x86_64_reg_class_name): Removed.
5061         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5062         first one isn't X86_64_SSE_CLASS or any other ones aren't
5063         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5064         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5065         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5066         and 3 X86_64_SSEUP_CLASS.
5067         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5068         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5069
5070 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5071
5072         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5073         form instruction to update the stack back chain word, even if the
5074         user has disabled the generation of update instructions.
5075         (movdi_<mode>_update_stack): New.
5076         (movsi_update_stack): Likewise.
5077         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5078         always use an update form instruction to update the stack back
5079         chain word.
5080
5081 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5082
5083         PR middle-end/38953
5084         * graphite.c (if_region_set_false_region): After moving a region in
5085         the false branch of a condition, remove the empty dummy basic block.
5086         (gloog): Remove wrong fix for PR38953.
5087
5088 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5089
5090         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5091         generation due to implicit sign extension.
5092
5093 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5094
5095         PR middle-end/38981
5096         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5097         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5098
5099 2009-02-09  Richard Guenther  <rguenther@suse.de>
5100
5101         PR middle-end/35202
5102         * convert.c (convert_to_real): Disable (float)fn((double)x)
5103         to fnf(x) conversion if errno differences may occur and
5104         -fmath-errno is set.
5105
5106 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5107
5108         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5109         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5110         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5111
5112 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5113
5114         PR c/35434
5115         * c-common.c (handle_alias_attribute): Disallow attribute for
5116         anything not a FUNCTION_DECL or VAR_DECL.
5117
5118 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5119
5120         PR c/39035
5121         * real.c (do_compare): Special-case compare of zero against
5122         decimal float value.
5123
5124 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5125
5126         PR c/36432
5127         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5128         as indicating flexible array members unless the field itself is
5129         being declarared as the incomplete array.
5130
5131 2009-02-06  Jan Hubicka  <jh@suse.cz>
5132
5133         PR tree-optimization/38844
5134         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5135         is already inlined.
5136
5137 2009-02-06  Richard Guenther  <rguenther@suse.de>
5138
5139         PR middle-end/38977
5140         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5141         fork because we may expand it as __gcov_fork.
5142
5143 2009-02-06  Nick Clifton  <nickc@redhat.com>
5144
5145         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5146
5147 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5148
5149         PR tree-optimization/35659
5150         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5151         vn_phi_eq): Shortcut if hashcode does not match.
5152         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5153         NULL operands.
5154         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5155         and avoid iterative_hash_expr.
5156         (FOR_EACH_VALUE_ID_IN_SET): New.
5157         (value_id_compare): Remove.
5158         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5159         sort expressions by value id.
5160
5161 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5162
5163         PR target/38991
5164         * config/sh/predicates.md (general_movsrc_operand): Don't check
5165         the subreg of system registers here.
5166
5167 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5168
5169         PR c++/39106
5170         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5171         on the copied decl.
5172
5173 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5174
5175         PR rtl-optimization/39110
5176         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5177         addresses, not aligned ones.
5178
5179 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5180             Richard Guenther  <rguenther@suse.de>
5181
5182         PR tree-optimization/39100
5183         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5184         comment says and add edges.
5185
5186 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5187
5188         PR c/35435
5189         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5190         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5191
5192 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5193
5194         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5195         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5196         register_bb_in_sese, new_sese, free_sese): Moved.
5197         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5198         outermost_loop_in_scop, build_scop_iteration_domain,
5199         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5200         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5201         Use loop_in_sese_p instead of loop_in_scop_p.
5202         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5203         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5204         (scopdet_basic_block_info): Fix bug in scop detection.
5205         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5206         eq_loop_to_cloog_loop): Remove.
5207         (nb_loops_around_loop_in_scop, nb_loop
5208         ref_nb_loops): Moved here...
5209         * graphite.h (ref_nb_loops): ... from here.
5210         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5211         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5212         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5213         * testsuite/gcc.dg/graphite/scop-19.c: New
5214
5215 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5216             Hans-Peter Nilsson  <hp@axis.com>
5217
5218         PR rtl-optimization/37889
5219         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5220         Move offset handling from PLUS to before the switch.  Use new
5221         arguments when considering SYMBOL_REFs too.
5222         (rtx_addr_can_trap_p): Pass dummy offset and size.
5223         (enum may_trap_p_flags): Remove.
5224         (may_trap_p_1): Pass size from MEM_SIZE.
5225
5226         PR rtl-optimization/38921
5227         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5228         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5229         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5230         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5231
5232 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5233
5234         AVX Programming Reference (January, 2009)
5235         * config/i386/sse.md (*vpclmulqdq): New.
5236
5237 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5238
5239         PR tree-optimization/38977
5240         PR gcov-profile/38292
5241         * calls.c (special_function_p): Disregard __builtin_ prefix.
5242
5243 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5244
5245         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5246         non-indexable addresses even before reload.
5247
5248 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5249
5250         PR c/29129
5251         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5252         as having variable size.  Do not give an error for unnamed
5253         parameters with [*] declarators.  Give a warning for type names
5254         with [*] declarators and mark them as variable size.
5255         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5256         for sizeof applied to [*] type names.
5257
5258 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5259
5260         PR C++/36607
5261         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5262
5263 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5264
5265         * gcc.c (process_command): Update copyright notice dates.
5266         * gcov.c (print_version): Likewise.
5267         * gcov-dump.c (print_version): Likewise.
5268         * mips-tfile.c (main): Likewise.
5269         * mips-tdump.c (main): Likewise.
5270
5271 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5272
5273         PR c/35433
5274         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5275         for composite type involving a zero-length array type.
5276
5277 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5278
5279         PR target/35318
5280         * function.c (match_asm_constraints_1): Skip over
5281         initial optional % in the constraint.
5282
5283         PR inline-asm/39059
5284         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5285         supported, don't accept FIXED_CSTs.
5286         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5287         and _Sat is used without _Fract/_Accum.  Set specs->type to
5288         integer_type_node for cts_fract/cts_accum if fixed point is not
5289         supported.
5290
5291 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5292
5293         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5294
5295 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5296
5297         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5298         (ABI_HAS_64BIT_SYMBOLS): Use it.
5299         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5300
5301 2009-02-02  Paul Brook  <paul@codesourcery.com>
5302
5303         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5304
5305 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5306
5307         PR inline-asm/39058
5308         * recog.h (asm_operand_ok): Add constraints argument.
5309         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5310         recurse on matching constraint.
5311         (check_asm_operands): Pass constraints as 3rd argument to
5312         asm_operand_ok.  Don't look up matching constraint here.
5313         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5314         to asm_operand_ok.
5315
5316 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5317
5318         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5319         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5320
5321 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5322
5323         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5324         information.  Remove some obsolete information.  Reorganize.
5325
5326         * config/pa/fptr.c: Revert license to GPL 2.
5327         * config/pa/milli64.S: Likewise.
5328
5329 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5330
5331         PR target/38904
5332         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5333         LIBRARY name in, instead of hard-coding it.
5334         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5335         extra target make frag to tmake_files according to EH model.
5336         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5337         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5338         frags that define makefile variable EH_MODEL appropriately.
5339         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5340         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5341         to "-sjlj" according to type of EH configured.
5342         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5343         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5344         to "_sjlj" according to type of EH configured.
5345         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5346         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5347         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5348         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5349         string value of "pe_dll" command-line option.
5350         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5351         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5352         (SHLIB_IMPLIB):  Override t-cygming default.
5353         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5354         string value of "pe_dll" command-line option.
5355
5356 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5357
5358         PR target/38952
5359         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5360         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5361
5362 2009-01-31  Richard Guenther  <rguenther@suse.de>
5363
5364         PR tree-optimization/38937
5365         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5366         computing the transitive closure.
5367
5368 2009-01-30  Richard Guenther  <rguenther@suse.de>
5369
5370         PR tree-optimization/39041
5371         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5372         Propagate variable indices only if the types match for this stmt.
5373
5374 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5375
5376         PR target/39013
5377         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5378         inline but never defined.
5379
5380 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5381
5382         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5383         (*insv_h_di_reg_extimm): New insn.
5384         (*insv_l<mode>_reg_extimm): New insn.
5385
5386 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5387
5388         * config/picochip/picochip.c (flag_conserve_stack): set
5389         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5390         fconserve-stack. Reduce call-overhead used by inliner.
5391
5392 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5393
5394         PR/38157
5395         * common.opt (flag_conserve_stack): Initialised to zero.
5396
5397 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5398
5399         PR/39002
5400         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5401         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5402         method.
5403
5404 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5405
5406         * ira-color.c (allocno_reload_assign): Update comments.
5407         * regmove.c (regmove_optimize): Likewise.
5408
5409         * ra.h: Removed.
5410
5411 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5412
5413         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5414         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5415         `MD_UNWIND_SUPPORT'.
5416         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5417
5418 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5419
5420         PR tree-optimization/39007
5421         * tree-loop-distribution.c (generate_builtin): Use
5422         recompute_dominator to compute the immediate dominator of the
5423         basic block just after the loop.
5424
5425 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5426
5427         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5428         (ASM_OUTPUT_DWARF_PCREL): Define.
5429
5430 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5431
5432         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5433         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5434         global.  Modify entries about regmove and IRA.
5435
5436         * ra-conflict.c: Remove the file.
5437
5438         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5439
5440         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5441         (pass_regclass_init): Rename to pass_reginfo_init.
5442
5443         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5444
5445         * toplev.h (flag_ira): Remove.
5446
5447         * caller-save.c (setup_save_areas): Remove flag_ira.
5448
5449         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5450
5451         * global.c: Remove the file.
5452
5453         * opts.c (decode_options): Remove flag_ira.
5454
5455         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5456
5457         * regmove.c: Modify file description.
5458         (find_use_as_address, try_auto_increment): Define them only if
5459         AUTO_INC_DEC is defined.
5460         (replacement_quality, replace_in_call_usage, fixup_match_1,
5461         stable_and_no_regs_but_for_p): Remove.
5462         (reg_set_in_bb): Make it static.
5463         (regmove_optimize): Remove flag_ira and code which worked for
5464         !flag_ira.
5465
5466         * local-alloc.c: Remove the file.
5467
5468         * common.opt (fira): Remove.
5469
5470         * ira.c: Include except.h.
5471         (eliminable_regset): Move from global.c.
5472         (mark_elimination): Ditto.  Remove flag_ira.
5473         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5474         equiv_mem_modified, validate_equiv_mem_from_store,
5475         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5476         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5477         no_equiv, recorded_label_ref): Move from local-alloc.c.
5478         (update_equiv_regs): Ditto.  Make it static.
5479         (print_insn_chain, print_insn_chains): Move it from global.c.
5480         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5481         (build_insn_chain): Ditto.  Make it static.
5482         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5483         Rename to init_live_subregs.
5484         (gate_ira): Remove flag_ira.
5485
5486         * regclass.c: Rename reginfo.c.  Change file description.
5487         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5488         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5489         (init_reg_sets_1): Remove code for evaluation of
5490         reg_class_superclasses and losing_caller_save_reg_set.
5491         (init_regs): Remove init_reg_autoinc.
5492         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5493         ok_for_base_p_nonstrict): Remove.
5494         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5495         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5496         corresponding entries.
5497         (dump_regclass, record_operand_costs, scan_one_insn,
5498         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5499         record_address_regs, auto_inc_dec_reg_p): Remove.
5500         (gt-regclass.h): Rename to gt-reginfo.h.
5501
5502         * rtl.h (dump_global_regs, retry_global_alloc,
5503         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5504
5505         * Makefile.in (RA_H): Remove.
5506         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5507         Rename regclass.o to reginfo.o.
5508         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5509         gt-reginfo.h.
5510         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5511         (GTFILES): Rename regclass.c to reginfo.c.
5512
5513         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5514         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5515
5516         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5517         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5518         Remove flag_ira.
5519         (finish_spills): Ditto.  Remove code for !flag_ira.
5520
5521 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5522
5523         PR middle-end/35854
5524         * doc/invoke.texi (rtl debug options): Complete rewrite.
5525         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5526         to auto_inc_dec".
5527         * mode-switching.c (pass_mode_switching): Rename pass from
5528         "mode-sw" to "mode_sw".
5529         * except.c (pass_convert_to_eh_ranges): Rename pass from
5530         "eh-ranges" to "eh_ranges".
5531         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5532         to "subreg1".
5533
5534
5535 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5536             Alexander Monakov  <amonakov@ispras.ru>
5537
5538         PR middle-end/38857
5539         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5540         register.
5541         (move_exprs_to_boundary): Change return type and pass through
5542         should_move from move_op.  Relax assert.  Update usage ...
5543         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5544         cant_move.
5545         (move_op_orig_expr_found): Indicate that insn was disconnected from
5546         stream.
5547         (code_motion_process_successors): Do not call after_merge_succs
5548         callback if original expression was not found when traversing any of
5549         the branches.
5550         (code_motion_path_driver): Change return type.  Update prototype.
5551         (move_op): Update comment.  Add a new parameter (should_move).  Update
5552         prototype.  Set *should_move based on indication provided by
5553         move_op_orig_expr_found.
5554
5555 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5556
5557         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5558         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5559         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5560         * config/rs6000/rs6000.c (rs6000_override_options): Default
5561         avoid-indexed-addresses on for Power6, off for everything else.
5562         (avoiding_indexed_address_p): New function.
5563         (rs6000_legitimize_address): Use it.
5564         (rs6000_legitimate_address): Likewise.
5565         * config/rs6000/rs6000.md (movXX_updateX): Likewise
5566
5567 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
5568
5569         PR tree-optimization/38997
5570         * tree-loop-distribution.c (generate_memset_zero): Use
5571         POINTER_PLUS_EXPR for a pointer addition.
5572
5573 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5574
5575         * config/s390/s390.md (bswap<mode>2): New pattern added.
5576
5577 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5578
5579         * config/s390/s390.md (*tls_load_31): Added type attribute.
5580
5581 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5582
5583         * config/s390/s390.md: Fix a few comments.
5584
5585 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5586
5587         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5588         (*tm<mode>_full): Fixed z10prop attribute.
5589         (*tst<mode>_extimm): Fixed z10prop attribute.
5590         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5591         (*tstqiCCT_cconly): Fixed z10prop attribute.
5592         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5593         (*movsi_larl): Fixed z10prop attribute.
5594         (*movsi_zarch): Fixed z10prop attribute.
5595         (*movsi_eas): Fixed z10prop attribute.
5596         (*movhi): Fixed z10prop attribute.
5597         (*movqi): Fixed z10prop attribute.
5598         (*movstrictqi): Fixed z10prop attribute.
5599         (*mov<mode>): Fixed z10prop attribute.
5600         (*movcc): Fixed z10prop attribute.
5601         (*sethighpartdi_64): Fixed z10prop attribute.
5602         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5603         (*negdi2_sign_cc): Fixed z10prop attribute.
5604         (*negdi2_sign): Fixed z10prop attribute.
5605         (*absdi2_sign_cc): Fixed z10prop attribute.
5606         (*absdi2_sign): Fixed z10prop attribute.
5607         (*negabsdi2_sign_cc): Fixed z10prop attribute.
5608         (*negabsdi2_sign): Fixed z10prop attribute.
5609         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5610         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5611         (doloop_si64): Fixed z10prop attribute.
5612         (doloop_si31): Fixed z10prop attribute.
5613         (doloop_long): Fixed z10prop attribute.
5614         (indirect_jump): Fixed z10prop attribute.
5615         (nop): Fixed z10prop attribute.
5616         (main_base_64): Fixed z10prop attribute.
5617         (reload_base_64): Fixed z10prop attribute.
5618
5619 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5620
5621         PR rtl-optimization/38740
5622         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5623         if !optimize.
5624         * config/mips/mips.c (mips_reorg): Likewise.
5625
5626 2009-01-28  Richard Guenther  <rguenther@suse.de>
5627
5628         PR tree-optimization/38926
5629         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5630         with the correct value id to a value.
5631         (do_regular_insertion): Use the value number of edoubleprime
5632         for the value number of the expr.
5633
5634         Revert
5635         2008-08-21  Richard Guenther  <rguenther@suse.de>
5636
5637         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5638         a PHI ask VN if it is already available.
5639         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5640         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5641
5642 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5643
5644         PR middle-end/38934
5645         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5646         set to varying whenever max has TREE_OVERFLOW set, similarly
5647         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5648
5649 2009-01-28  Richard Guenther  <rguenther@suse.de>
5650
5651         PR middle-end/38908
5652         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5653         uninitialized aggregate uses in call arguments.
5654
5655 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
5656
5657         PR tree-optimization/38984
5658         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5659         the nothing_id variable if -fno-delete-null-pointer-checks.
5660
5661 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
5662
5663         PR target/38988
5664         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5665         (set_got_offset_rex64): Ditto.
5666
5667 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5668
5669         PR target/38941
5670         * doc/extend.texi: Improve local variable with asm reg.
5671
5672 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
5673
5674         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5675         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5676         was not supplied then set warn_packed_bitfield_compat to the
5677         default value of 1.
5678         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5679         against 1.
5680
5681 2009-01-27  Richard Guenther  <rguenther@suse.de>
5682
5683         PR tree-optimization/38503
5684         * cfgexpand.c (expand_gimple_basic_block): Ignore
5685         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5686         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5687         variables that cannot have TBAA applied.
5688         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5689         statements.
5690
5691 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
5692
5693         PR middle-end/38969
5694         * calls.c (initialize_argument_information): Do not wrap complex
5695         arguments in SAVE_EXPR.
5696
5697 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
5698
5699         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5700         (INSTALL_LIBGCC): Revert typo commit.
5701
5702 2009-01-26  Richard Guenther  <rguenther@suse.de>
5703
5704         PR tree-optimization/38745
5705         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5706         from special handling.
5707
5708 2009-01-26  Richard Guenther  <rguenther@suse.de>
5709
5710         PR tree-optimization/38745
5711         * tree-ssa.c (execute_update_addresses_taken): Do not include
5712         variables that cannot possibly be a register in not_reg_needs.
5713         Do not clear TREE_ADDRESSABLE on vars that may not become
5714         registers.
5715         * tree-ssa.c (update_alias_info_1): Include those in the set
5716         of addressable vars.
5717
5718 2009-01-26  Richard Guenther  <rguenther@suse.de>
5719
5720         PR middle-end/38851
5721         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5722         * tree-ssa-dse.c: Include langhooks.h
5723         (execute_simple_dse): Remove stores with zero size.
5724
5725 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
5726
5727         PR c/38957
5728         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5729         as PLUS_EXPR.
5730
5731 2009-01-24  Julian Brown  <julian@codesourcery.com>
5732
5733         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5734         config/arm/linux-atomic.c.
5735         * config/arm/linux-atomic.c: New.
5736
5737 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
5738
5739         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5740         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5741         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5742
5743 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5744
5745         PR c/38938
5746         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5747         properly.
5748
5749 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5750
5751         PR tree-optimization/38953
5752         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5753         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5754         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5755         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5756         changed the CFG.
5757
5758 2009-01-24  Paul Brook  <paul@codesourcery.com>
5759
5760         * config/arm/neon.md (neon_type): Move to arm.md.
5761         (neon_mov<VSTRUCT>): Add neon_type attribute.
5762         * config/arm/arm.md (neon_type): Move to here.
5763         (conds): Add "unconditioal" and use as default for NEON insns.
5764
5765 2009-01-24  Ben Elliston  <bje@au.ibm.com>
5766
5767         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5768         void *' warning from -Wc++-compat.
5769         * Makefile.in (dominance.o-warn): Remove.
5770
5771 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
5772
5773         PR tree-optimization/38932
5774         * fold-const.c (fold_unary_ignore_overflow): New.
5775         * tree.h (fold_unary_ignore_overflow): Declare.
5776         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5777         * tree-ssa-sccvn.c (visit_reference_op_load,
5778         simplify_unary_expression): Likewise.
5779
5780 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
5781
5782         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5783         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
5784         regardless of their type.
5785         * c-common.c (handle_packed_attribute): Don't ignore packed on
5786         bitfields.
5787         * c.opt (Wpacked-bitfield-compat): New warning option.
5788         * stor-layout.c (place_field): Warn if offset of a field changed.
5789         * doc/extend.texi (packed): Mention the ABI change.
5790         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5791         (Warning Options): Add it to the list.
5792
5793 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5794
5795         * c-opts.c (c_common_post_options): Fix a typo in comments.
5796
5797 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
5798
5799         PR middle-end/38615
5800         * gimplify.c (gimplify_init_constructor): Fix promotion of const
5801         variables to static.
5802         * doc/invoke.texi (-fmerge-all-constants): Update description.
5803
5804 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
5805
5806         PR target/38931
5807         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5808         (*movdi_1_rex64): Use type "mmx" for alternative 5.
5809
5810 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
5811
5812         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5813         a word boundary.
5814         (LOCAL_ALIGNMENT): Similarly.
5815
5816 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5817             Joseph Myers  <joseph@codesourcery.com>
5818
5819         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5820         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5821         * config/arm/arm-tune.md: Regenerate.
5822         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5823         -march=iwmmxt2.
5824
5825 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5826
5827         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5828         version number to five.
5829
5830 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
5831
5832         PR c++/38930
5833         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5834         * c-common.c (set_underlying_type): Likewise.
5835         (is_typedef_decl ): Likewise
5836         * tree.h: Likewise
5837         (set_underlying_type): Likewise.
5838         (is_typedef_type): Likewise.
5839
5840 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
5841
5842         PR middle-end/38587
5843         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5844         crossing setjmps.
5845
5846 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
5847
5848         PR bootstrap/37660
5849         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
5850         (LIBGCC_SPEC):  Don't define.
5851         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
5852
5853 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
5854
5855         PR rtl-optimization/38879
5856         * alias.c (base_alias_check): Unaligned access via AND address can
5857         alias all surrounding object types except those with sizes equal
5858         or wider than the size of unaligned access.
5859
5860 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
5861
5862         PR c++/26693
5863         * c-decl.c (clone_underlying_type): Move this ...
5864         * c-common.c (set_underlying_type): ... here.
5865         Also, make sure the function properly sets TYPE_STUB_DECL() on
5866         the newly created typedef variant type.
5867         (is_typedef_decl ): New entry point.
5868         * tree.h: Added a new member member_types_needing_access_check to
5869         struct tree_decl_non_common.
5870         (set_underlying_type): New entry point.
5871         (is_typedef_type): Likewise.
5872
5873 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
5874
5875         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5876         Check whether two instructions have memory references that
5877         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
5878         are helper functions for traversing.
5879         * alias.h (insn_alias_sets_confilict_p): New prototypes.
5880         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5881         not to draw dependency edge for instructions with non-conflicting
5882         alias sets.
5883
5884 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
5885
5886         PR other/38758
5887         * longlong.h: Update copyright years.  Use soft-fp license notice.
5888         Sync __clz_tab declaration with glibc.
5889
5890 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
5891
5892         PR target/30687
5893         * doc/extend.texi (syscall_linkage): New.
5894         (version_id): Modify.
5895
5896 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5897             Richard Guenther  <rguenther@suse.de>
5898
5899         PR tree-optimization/38747
5900         PR tree-optimization/38748
5901         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5902         conversion if the base address is an indirect reference and the
5903         aliasing sets could cause issues.
5904
5905 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5906
5907         * common.opt (fgraphite, fgraphite-identity): Add comment for
5908         explaining why these options are not documented.
5909
5910 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5911
5912         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5913         gimple_call_lhs is NULL.
5914
5915 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
5916
5917         PR target/38868
5918         * emit-rtl.c (adjust_address_1): Make sure memref is never
5919         overwritten.
5920
5921 2009-01-20  Ben Elliston  <bje@au.ibm.com>
5922
5923         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5924         const qualifier from arg parameter. Remove unnecessary cast to char *.
5925         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5926         const qualifier from arg 2.
5927
5928 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5929
5930         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5931
5932 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
5933
5934         PR c/38869
5935         * rtl.h (reinit_regs): New prototype.
5936         * regclass.c: Include ira.h.
5937         (reinit_regs): New.
5938         * Makefile.in (regclass.o): Add ira.h.
5939         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5940
5941 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
5942
5943         PR target/38736
5944         * c-common.c (handle_aligned_attribute): Use
5945         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5946         default alignment value.
5947
5948         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5949
5950         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5951         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5952
5953         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
5954         __BIGGEST_ALIGNMENT__.
5955
5956         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5957
5958 2009-01-18  Richard Guenther  <rguenther@suse.de>
5959
5960         PR tree-optimization/38819
5961         * tree-flow.h (operation_could_trap_helper_p): Declare.
5962         * tree-eh.c (operation_could_trap_helper_p): Export.
5963         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5964         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5965         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5966         are about to insert a possibly trapping instruction and fail
5967         in this case.
5968
5969 2009-01-18  Andreas Schwab  <schwab@suse.de>
5970
5971         * doc/install.texi (Configuration): Remove obsolete paragraph
5972         about use of --with-gnu-ld with --with-gnu-as.
5973
5974 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
5975
5976         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5977         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5978         Follow spelling conventions.
5979
5980 2009-01-18  Ben Elliston  <bje@au.ibm.com>
5981
5982         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5983         C++ warning about implicit conversion from void * to struct
5984         bitmap_head_def *.
5985         (bitmap_obstack_free): Likewise for bitmap_element *.
5986         * Makefile.in (bitmap.o-warn): Remove.
5987
5988 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
5989
5990         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
5991
5992 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
5993             Tobias Grosser  <tobi.grosser@amd.com>
5994
5995         * graphite.c (graphite_trans_scop_block): Do not block single
5996         nested loops.
5997
5998 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
5999
6000         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6001         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6002         test with assertion.
6003
6004 2009-01-16  Richard Guenther  <rguenther@suse.de>
6005
6006         PR tree-optimization/38835
6007         PR middle-end/36227
6008         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6009         and INT + PTR -> (INT)(PTR p+ INT) folding.
6010         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6011
6012 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6013
6014         PR target/38554
6015         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6016         the subreg from a lowpart subreg if it is also casting the value.
6017
6018 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6019             Tobias Grosser  <tobi.grosser@amd.com>
6020
6021         * graphite.c (compare_prefix_loops): New.
6022         (build_scop_canonical_schedules): Rewritten.
6023         (graphite_transform_loops): Move build_scop_canonical_schedules
6024         after build_scop_iteration_domain.
6025
6026 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6027             Tobias Grosser  <tobi.grosser@amd.com>
6028
6029         * graphite.c (add_conditions_to_domain): Add the loops to
6030         the dimension of the iteration domain.  Do copy the domain
6031         only when it exists.
6032         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6033         (add_conditions_to_constraints): New.
6034         (can_generate_code_stmt, can_generate_code): Removed.
6035         (gloog): Do not call can_generate_code.
6036         (graphite_transform_loops): Call add_conditions_to_constraints
6037         after building the iteration domain.
6038
6039 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6040
6041         PR tree-optimization/38789
6042         * tree-ssa-threadedge.c
6043         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6044         __builtin_constant_p.
6045
6046 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6047
6048         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6049         examined before deleting them.
6050
6051 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6052
6053         * function.c (aggregate_value_p): Correctly extract the function
6054         type from CALL_EXPR_FN lookup.
6055
6056 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6057
6058         * config/picochip/picochip.c (picochip_override_options): Revert
6059         CFI asm flag disable commited previously.
6060
6061 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6062             Tobias Grosser  <tobi.grosser@amd.com>
6063             Jan Sjodin  <jan.sjodin@amd.com>
6064
6065         * graphite.c (scan_tree_for_params): On substractions negate
6066         all the coefficients of the term.
6067         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6068         of more than two operands.
6069         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6070         (get_vdef_before_scop): Handle also the case of default definitions.
6071
6072 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6073
6074         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6075         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6076         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6077
6078 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6079             Joey Ye  <joey.ye@intel.com>
6080
6081         PR middle-end/37843
6082         * cfgexpand.c (expand_stack_alignment): Don't update stack
6083         boundary nor check incoming stack boundary here.
6084         (gimple_expand_cfg): Update stack boundary and check incoming
6085         stack boundary here.
6086
6087 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6088
6089         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6090
6091 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6092
6093         PR rtl-optimization/38245
6094         * calls.c (expand_call): Add stack arguments to
6095         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6096         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6097         in regs and partially in memory or BLKmode arguments.
6098         (emit_library_call_value_1): Add stack arguments to
6099         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6100         ACCUMULATE_OUTGOING_ARGS).
6101         * dce.c: Include tm_p.h.
6102         (find_call_stack_args): New function.
6103         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6104         argument.
6105         (mark_insn): Call find_call_stack_args for CALL_Ps.
6106         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6107         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6108         down to deletable_insn_p, don't mark stores set in arg_stores
6109         bitmap, clear the bitmap at the beginning of each bb.
6110         * Makefile.in (dce.o): Depend on $(TM_P_H).
6111
6112 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6113
6114         PR target/22599
6115         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6116         to make sure the insn is a conditional test (bug 22599).  Reformat a
6117         few long lines.
6118
6119 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6120
6121         PR middle-end/38431
6122         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6123         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6124         (gloog): Do not call cleanup_tree_cfg.
6125         (graphite_transform_loops): Call cleanup_tree_cfg after all
6126         scops have been code generated.
6127
6128 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6129         * doc/gty.texi (Invoking the garbage collector): Added new node
6130         and section documenting ggc_collect.
6131
6132 2009-01-14  Richard Guenther  <rguenther@suse.de>
6133
6134         PR tree-optimization/38826
6135         PR middle-end/38477
6136         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6137         initialization notes only if we actually emitted a warning.
6138         (intra_create_variable_infos): Add constraints for a result decl
6139         that is passed by hidden reference.
6140         (build_pred_graph): Mark all related variables non-direct on
6141         address-taking.
6142
6143 2009-01-14  Nick Clifton  <nickc@redhat.com>
6144
6145         * ira-conflicts.c: Include addresses.h for the definition of
6146         base_reg_class.
6147         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6148         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6149
6150 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6151
6152         PR target/38811
6153         * Makefile.in (ira-lives.o): Add except.h.
6154
6155         * ira-lives.c: Include except.h.
6156         (process_bb_node_lives): Process can_throw_internal.
6157
6158 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6159
6160         PR rtl-optimization/38774
6161         * combine.c (simplify_set): When undoing cc_use change, don't do
6162         PUT_CODE on the newly created comparison, but instead put back the
6163         old comparison.
6164
6165 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6166
6167         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6168         values.  Remove duplicate arm8 entry.
6169
6170 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6171
6172         PR tree-optimization/38786
6173         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6174         the SSA_NAME case of expand_scalar_variables_expr.
6175         Set the type of an expression to the type of its assign statement.
6176         (expand_scalar_variables_expr): Also gather the scalar computation
6177         used to index the memory access.  Do not pass loop_p.
6178         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6179         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6180         the gimple_stmt_iterator where it inserts new code.
6181         Do not pass loop_p.
6182         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6183         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6184
6185 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6186
6187         * graphite.h (debug_value): Removed.
6188         * graphite.c (debug_value): Removed.
6189
6190 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6191
6192         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6193         ldrd/strd with two 32-bit instructions.
6194
6195 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6196
6197         * config/arm/arm.c (struct processors): Pass for speed down into
6198         cost helper functions.
6199         (const_ok_for_op): Handle COMPARE and inequality nodes.
6200         (arm_rtx_costs_1): Rewrite.
6201         (arm_size_rtx_costs): Update prototype.
6202         (arm_rtx_costs): Pass speed down to helper functions.
6203         (arm_slowmul_rtx_costs): Rework cost calculations.
6204         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6205         (arm_9e_rtx_costs): Likewise.
6206
6207 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6208
6209         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6210         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6211         (alpha_legitimize_address): Do not split local symbols wider than
6212         UNITS_PER_WORD into HIGH/LO_SUM parts.
6213
6214 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6215
6216         PR bootstrap/38580
6217         * gcc.c (process_command): Replace call to execvp with calls
6218         to pex_one and exit.
6219
6220 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6221
6222         PR target/29141
6223         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6224         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6225         variant for devices with 3-byte PC.
6226         (__tablejump_elpm__): New.
6227
6228 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6229
6230         PR c/32041
6231         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6232         offsetof member-designator, handle it as `[0].'.
6233
6234 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6235
6236         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6237         function when not using named sections on targets with named sections
6238         if branch distance is less than 262132.
6239
6240 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6241
6242         * combine.c (combine_instructions):  Recompute
6243         optimize_this_for_speed_p  for each BB in the main combine loop.
6244
6245 2009-01-12  Tomas Bily  <tbily@suse.cz>
6246
6247         PR middlend/38385
6248         * tree-loop-distribution.c (prop_phis): New function.
6249         (generate_builtin): Call prop_phis.
6250         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6251
6252 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6253
6254         PR tree-optimization/38807
6255         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6256         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6257
6258 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6259
6260         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6261         subreg of op0 to the original op0.
6262
6263 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6264
6265         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6266
6267 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6268
6269         PR debug/7055
6270         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6271         starting with digits.
6272
6273 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6274
6275         PR target/38695
6276         * config/arm/arm.c (arm_is_long_call_p): Don't call
6277         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6278
6279 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6280
6281         * regrename.c (regrename_optimize): Fix dumping.
6282         (find_oldest_value_reg): Preserve REG_POINTER.
6283         (copy_hardreg_forward_1): Likewise.
6284
6285 2009-01-09  Diego Novillo  <dnovillo@google.com>
6286
6287         * gimple.h (struct gimple_statement_base) <uid>: Document
6288         the restrictions on its use.
6289         (gimple_uid): Tidy.
6290         (gimple_set_uid): Tidy.
6291
6292 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6293
6294         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6295         zero guard even if align_bytes != 0 and count is smaller than
6296         size_needed.
6297
6298 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6299
6300         PR rtl-optimization/38495
6301         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6302         (add_range_and_copies_from_move_list): Print all added ranges.
6303         Add ranges to memory optimized destination.
6304
6305 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6306
6307         PR target/38686
6308         PR target/38708
6309         * config/i386/i386.c (override_options): Reject
6310         -mstringop-strategy=rep_8byte with -m32.
6311         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6312         to 1.  Do count comparison against epilogue_size_needed at compile
6313         time even when count_exp was constant forced into register.  For
6314         size_needed don't jump to epilogue, instead just avoid aligning
6315         and invoke the body algorithm.  If need_zero_guard, add zero guard
6316         even if count is non-zero, but smaller than size_needed + number of
6317         bytes that could be stored for alignment.
6318         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6319         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6320         but smaller than size_needed + number of bytes that could be stored
6321         for alignment.  Compare size_needed with epilogue_size_needed instead
6322         of desired_align - align, don't adjust size_needed, pass
6323         epilogue_size_needed to the epilogue expanders.
6324
6325         PR c/35742
6326         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6327
6328 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6329
6330         * pa.c (last_address): Change to unsigned.
6331         (update_total_code_bytes): Change argument to unsigned.  Don't
6332         check if insn addresses are set.
6333         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6334         addresses are not set.
6335         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6336
6337 2009-01-09  Nick Clifton  <nickc@redhat.com>
6338
6339         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6340         DECL_DECLARED_INLINE_P.
6341
6342 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6343
6344         PR middle-end/38347
6345         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6346         GET_MODE (op0) in operand_subword_force calls.
6347
6348         PR middle-end/38771
6349         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6350         fold_convert arg0 operands to TREE_TYPE (op0) first.
6351
6352 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6353
6354         * params.def (ira-max-conflict-table-size): Decrease default value
6355         to 1000.
6356
6357 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6358
6359         PR tree-optimization/37031
6360         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6361         on parameter_set.
6362         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6363         allocate it using gc instead of heap, use VEC_quick_push instead of
6364         VEC_safe_push.
6365         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6366         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6367         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6368         allocated vector from heap allocated.
6369         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6370         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6371         vector only after perfect_loop_nest_depth call.
6372
6373 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6374             Jan Sjodin  <jan.sjodin@amd.com>
6375
6376         PR tree-optimization/38559
6377         * graphite.c (debug_value, copy_constraint,
6378         swap_constraint_variables, scale_constraint_variable, ): New.
6379         (get_lower_bound, get_upper_bound): Removed.
6380         (graphite_trans_bb_strip_mine): Clean up this code that works
6381         only for constant number of iterations.  Fully copy upper and
6382         lower bound constraints, not only the constant part of them.
6383         * graphite.h (debug_value): Declared.
6384
6385 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6386
6387         PR tree-optimization/37194
6388         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6389         Don't add the cost of cost model guard in prologue to scalar
6390         outside cost in case of known number of iterations.
6391
6392 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6393             Alan Modra  <amodra@bigpond.net.au>
6394
6395         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6396         non-word-aligned REG+CONST addressing.
6397
6398 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6399
6400         PR target/38706
6401         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6402         free_after_compilation when outputting a thunk.
6403         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6404         Do not call free_after_compilation here.
6405
6406 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6407
6408         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6409         (ix86_valid_target_attribute_inner_p): Ditto.
6410
6411 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6412
6413         PR tree-optimization/38492
6414         PR tree-optimization/38498
6415         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6416         * tree-chrec.h (scev_is_linear_expression): Declared.
6417         * graphite.c (graphite_cannot_represent_loop_niter): New.
6418         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6419         (graphite_loop_normal_form): Use gcc_assert.
6420         (scan_tree_for_params): Use CASE_CONVERT.
6421         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6422         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6423         Use gcc_assert.  Discard scops that contain unhandled cases.
6424         (build_scop_conditions): Return a boolean status for unhandled cases.
6425         (strip_mine_profitable_p): Print the loop number, not its depth.
6426         (is_interchange_valid): Pass the depth of the loop nest, don't
6427         recompute it wrongly.
6428         (graphite_trans_bb_block): Same.
6429         (graphite_trans_bb_block): Print tentative of loop blocking.
6430         (graphite_trans_scop_block): Do not print that the loop has been
6431         blocked.
6432         (graphite_transform_loops): Do not handle scops that contain condition
6433         scalar phi nodes.
6434
6435 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6436
6437         AVX Programming Reference (December, 2008)
6438         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6439         (_mm256_stream_pd): Likewise.
6440         (_mm256_stream_ps): Likewise.
6441
6442         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6443         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6444         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6445         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6446         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6447         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6448         (ix86_expand_special_args_builtin): Likewise.
6449
6450         * config/i386/sse.md (AVXMODEDI): New.
6451         (avx_movnt<mode>): Likewise.
6452         (avx_movnt<mode>): Likewise.
6453         (<sse>_movnt<mode>): Remove AVX support.
6454         (sse2_movntv2di): Likewise.
6455
6456 2009-01-07  Richard Guenther  <rguenther@suse.de>
6457
6458         PR middle-end/38751
6459         * fold-const.c (extract_muldiv): Remove obsolete comment.
6460         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6461         to PLUS_EXPR canonicalization for the canonicalization.
6462
6463 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6464
6465         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6466         hosted cross-compilers generating less efficient code.
6467
6468 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6469
6470         * function.h (rtl_data): Add a dbr_scheduled_p field.
6471         * reorg.c (dbr_schedule): Set it.
6472         (gate_handle_delay_slots): Check it.
6473         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6474         (mips_reorg): Check flag_delayed_branch instead of
6475         mips_base_delayed_branch.
6476         (mips_override_options): Don't set mips_base_delayed_branch
6477         or flag_delayed_branch.
6478
6479 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6480
6481         PR rtl-optimization/38426.
6482         * ira.c (ira): Set current_function_is_leaf earlier.
6483
6484 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6485
6486         PR rtl-optimization/38722
6487         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6488         too early, only set a flag and modify after last possible
6489         undo_all point.
6490
6491 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6492
6493         PR c/34252
6494         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6495         * real.c (decimal_single_format): Correct values of emin and emax.
6496         (decimal_double_format): Ditto.
6497         (decimal_quad_format): Ditto.
6498         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6499         computation of DECnn_MIN and DECnn_MAX for corrected values of
6500         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6501         __DECnn_MIN__, and adjust its computation for the corrected value
6502         of emin.
6503
6504 2009-01-06  Jan Hubicka  <jh@suse.cz>
6505
6506         PR target/38744
6507         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6508
6509 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6510
6511         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6512         Add Robert Clark to the list of testers.
6513
6514 2009-01-06  Jan Hubicka  <jh@suse.cz>
6515             Kai Tietz  <kai.tietz@onevision.com>
6516
6517         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6518         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6519
6520 2009-01-06  Jan Hubicka  <jh@suse.cz>
6521             Kai Tietz  <kai.tietz@onevision.com>
6522
6523         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6524         for w64 ABI.
6525         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6526         (ix86_nsaved_regs): Count only general purpose regs.
6527         (ix86_nsaved_sseregs): New.
6528         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6529         to 16 for w64; compute padding and size of sse reg save area.
6530         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6531         general purpose regs.
6532         (ix86_emit_save_sse_regs_using_mov): New.
6533         (ix86_expand_prologue): Save SSE regs if needed.
6534         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6535         (ix86_emit_restore_sse_regs_using_mov): New.
6536         (ix86_expand_epilogue): Save SSE regs if needed.
6537
6538 2009-01-06  Jan Hubicka  <jh@suse.cz>
6539             Kai Tietz  <kai.tietz@onevision.com>
6540
6541         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6542         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6543         functions when accumulate outgoing args is off.
6544
6545 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6546
6547         PR bootstrap/38742
6548         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6549         before using pseudos_have_intersected_live_ranges_p.
6550
6551         * ira-int.h (ira_assert): Always define.
6552
6553 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6554
6555         AVX Programming Reference (December, 2008)
6556         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6557         (_mm256_permute2_pd): Likewise.
6558         (_mm_permute2_ps): Likewise.
6559         (_mm256_permute2_ps): Likewise.
6560         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6561         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6562
6563         * config/i386/i386.c (ix86_builtins): Remove
6564         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6565         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6566         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6567         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6568         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6569         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6570         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6571         __builtin_ia32_vpermil2ps256.
6572         (ix86_init_mmx_sse_builtins): Updated.
6573         (ix86_expand_args_builtin): Likewise.
6574
6575 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6576
6577         * pa.c (output_call): Relocate non-jump insns in the delay slot of
6578         long absolute calls when generating PA 2.0 code.
6579
6580 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
6581
6582         PR rtl-optimization/38583
6583         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6584
6585         * params.def (ira-max-conflict-table-size): New.
6586
6587         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6588
6589         * ira.h (ira_conflicts_p): New external definition.
6590
6591         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6592         table.  Report this.  Return result of building.
6593         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
6594         building conflict table.
6595
6596         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6597         (ira_color): Use ira_conflicts_p.
6598
6599         * global.c: Include ira.h.
6600         (pseudo_for_reload_consideration_p, build_insn_chain): Use
6601         ira_conflicts_p.
6602
6603         * Makefile.in (global.o): Add ira.h.
6604
6605         * ira-build.c (mark_all_loops_for_removal,
6606         propagate_some_info_from_allocno): New.
6607         (remove_unnecessary_allocnos): Call
6608         propagate_some_info_from_allocno.
6609         (remove_low_level_allocnos): New.
6610         (remove_unnecessary_regions): Add parameter.  Call
6611         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
6612         parameter to remove_unnecessary_regions.
6613         (ira_build): Remove all regions but root if the conflict table was
6614         not built.  Update conflict hard regs for allocnos crossing calls.
6615
6616         * ira.c (ira_conflicts_p): New global.
6617         (ira): Define and use ira_conflicts_p.
6618
6619         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6620         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6621         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6622
6623 2009-01-06  Ben Elliston  <bje@au.ibm.com>
6624
6625         * gengtype-lex.l (YY_NO_INPUT): Define.
6626
6627 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6628
6629         PR c/34911
6630         * c-common.c (handle_vector_size_attribute): Also reject
6631         BOOLEAN_TYPE types.
6632
6633 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
6634
6635         PR tree-optimization/38492
6636         * graphite.c (rename_map_elt, debug_rename_elt,
6637         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6638         rename_map_elt_info, eq_rename_map_elts,
6639         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6640         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6641         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6642         (sese_build_livein_liveouts): New.
6643         (new_sese, free_sese): New.
6644         (new_scop): Call new_sese.
6645         (free_scop): Call free_sese.
6646         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6647         (register_old_new_names): Renamed register_old_and_new_names.
6648         (register_scop_liveout_renames, add_loop_exit_phis,
6649         insert_loop_close_phis, struct igp,
6650         default_liveout_before_guard, add_guard_exit_phis,
6651         insert_guard_phis, copy_renames): New.
6652         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6653         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6654         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6655         (scop_adjust_phis_for_liveouts): New.
6656         (gloog): Call scop_adjust_phis_for_liveouts.
6657
6658         * graphite.h (struct sese): Documented.  Added fields liveout,
6659         num_ver and livein.
6660         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6661         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6662         (struct scop): Added field liveout_renames.
6663         (SCOP_LIVEOUT_RENAMES): New.
6664
6665 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6666
6667         PR tree-optimization/38510
6668         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6669         (translate_clast): Call recompute_all_dominators before
6670         graphite_verify.
6671         (gloog): Call recompute_all_dominators before graphite_verify.
6672
6673 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6674             Jan Sjodin  <jan.sjodin@amd.com>
6675
6676         PR tree-optimization/38500
6677         * graphite.c (create_sese_edges): Call fix_loop_structure after
6678         splitting blocks.
6679
6680 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
6681
6682         * config.gcc: Add m32r*-*-rtems*.
6683         * config/m32r/rtems.h: New file.
6684
6685 2009-01-05  Ben Elliston  <bje@au.ibm.com>
6686
6687         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6688         (.po.pox): Likewise.
6689         (po/gcc.pot): Likewise.
6690
6691 2009-01-04  David S. Miller  <davem@davemloft.net>
6692
6693         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6694         (STARTING_FRAME_OFFSET): Always set to zero.
6695
6696 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6697
6698         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6699         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6700         fixed-point types, and vectors of the same.
6701
6702 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6703
6704         * config/mips/sync.md (*mb_barrier): Rename to...
6705         (*memory_barrier): ...this.
6706
6707 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
6708
6709         * doc/extend.texi (Function Attributes): Move @cindex after @item
6710         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6711         and put in alphabetical order. Fix 'target' name and put in order.
6712         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6713         typos.
6714
6715 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
6716
6717         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6718         (memory_barrier): Expand as unspec instead of unspec_volatile.
6719         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6720         (*memory_barrier): Define as unspec instead of unspec_volatile.
6721         Use (match_dup 0) as input operand.
6722
6723         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6724         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6725         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
6726         scratch register.  Remove operand 1.
6727         (*stbar): Define as unspec instead of unspec_volatile.
6728         Use (match_dup 0) as input operand, remove (const_int 8).
6729         (*membar): Define as unspec instead of unspec_volatile.
6730         Use (match_dup 0) as input operand, remove input operand 2.
6731
6732         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6733         (memory_barrier): Expand as unspec instead of unspec_volatile.
6734         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6735         (*memory_barrier): Define as unspec instead of unspec_volatile.
6736         Use (match_dup 0) as input operand.
6737
6738         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6739         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6740         Set volatile flag on operand 0.
6741         (*memory_barrier): New insn pattern.
6742
6743         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6744         insn operands.
6745         (*memory_barrier): Use (match_dup 0) as input operand.
6746
6747         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6748         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6749         Set volatile flag on operand 0.
6750         (*mb_internal): New insn pattern.
6751
6752         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6753
6754 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6755
6756         PR middle-end/38586
6757         * function.c (struct temp_slot): Move to the section of the file
6758         that deals with temp slots.  Remove field 'address'.
6759         (temp_slot_address_table): New hash table of address -> temp slot.
6760         (struct temp_slot_address_entry): New struct, items for the table.
6761         (temp_slot_address_compute_hash, temp_slot_address_hash,
6762         temp_slot_address_eq, insert_temp_slot_address): Support functions
6763         for the new table.
6764         (find_temp_slot_from_address): Rewrite to use the new hash table.
6765         (remove_unused_temp_slot_addresses): Remove addresses of temp
6766         slots that have been made available.
6767         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6768         worker function for remove_unused_temp_slot_addresses.
6769         (assign_stack_temp_for_type): Don't clear the temp slot address list.
6770         Add the temp slot address to the address -> temp slot map.
6771         (update_temp_slot_address): Update via insert_temp_slot_address.
6772         (free_temp_slots): Call remove_unused_temp_slot_addresses.
6773         (pop_temp_slots): Likewise.
6774         (init_temp_slots): Allocate the address -> temp slot map, or empty
6775         the map if it is already allocated.
6776         (prepare_function_start): Initialize temp slot processing.
6777
6778 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6779
6780         PR middle-end/38584
6781         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6782         Calculate the size of all stack vars assuming no packing of stack
6783         vars will happen, replacing a quadratic algorithm with a linear one.
6784
6785 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6786
6787         PR target/38707
6788         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6789         can't be used.
6790
6791 2009-01-03  Diego Novillo  <dnovillo@google.com>
6792
6793         * doc/contrib.texi: Update contributions.
6794
6795 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6796
6797         PR c++/38705
6798         * builtins.c (fold_builtin_memory_op): Give up if either operand
6799         is volatile.  Set srctype or desttype to non-qualified version
6800         of the other type.
6801
6802         PR c/38700
6803         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6804         and FUNCTION_DECLs.
6805
6806 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
6807
6808         PR rtl-optimization/35805
6809         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6810         problem if fast dce is able to remove any instructions.
6811         * dce.c (dce_process_block): Fix dump message.
6812
6813 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
6814
6815         PR 33649
6816         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6817
6818 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
6819
6820         PR middle-end/38690
6821         * tree-flow.h (op_code_prio, op_prio): New prototypes.
6822         * tree-pretty-print.c (op_code_prio): New function.
6823         (op_prio): No longer static.  Use op_code_prio.
6824         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6825         Use op_prio and op_code_prio to determine if () should be
6826         printed around operand(s) or not.
6827
6828         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6829         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6830         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6831         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6832         pp_character instead of pp_string for single letter printing.
6833
6834 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6835
6836         * doc/extend.texi: Fix '#pragma GCC option' typo.
6837
6838 2009-01-02  Richard Guenther  <rguenther@suse.de>
6839
6840         * doc/install.texi (--enable-checking): Mention different
6841         default for stage1.
6842         (--enable-stage1-checking): Document.
6843
6844 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
6845
6846         PR middle-end/30142
6847         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
6848         case to be an error.
6849
6850 2009-01-02  Ben Elliston  <bje@au.ibm.com>
6851
6852         * config/fp-bit.h (pack_d): Constify argument.
6853         * config/fp-bit.c (makenan): Constify return type. Remove casts.
6854         (isnan): Constify argument.
6855         (isinf): Likewise.
6856         (iszero): Likewise.
6857         (pack_d): Likewise.
6858         (_fpadd_parts): Constify return type.
6859         (_fpmul_parts): Likewise.
6860         (_fpdiv_parts): Likewise.
6861
6862 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
6863
6864         PR c/36489
6865         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
6866         warn about overwriting initializer with side-effects or
6867         -Woverride-init if !IMPLICIT.
6868         (output_init_element): Likewise.  Pass IMPLICIT down to
6869         add_pending_init.
6870         (process_init_element): Add IMPLICIT argument.  Pass it down
6871         to output_init_element.
6872         (push_init_element, pop_init_level, set_designator): Adjust
6873         process_init_element callers.
6874         (set_nonincremental_init, set_nonincremental_init_from_string):
6875         Adjust add_pending_init callers.
6876         (output_pending_init_elements): Adjust output_init_element callers.
6877         * c-tree.h (process_init_element): Adjust prototype.
6878         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6879         process_init_element callers.