gcc/ChangeLog

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