gcc/ChangeLog

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