gcc/testsuite/gcc.misc-tests/i386-prefetch.exp

   1 #   Copyright (C) 2002 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Test that the correct data prefetch instructions (SSE or 3DNow! variant,
  18 # or none) are used for various i386 cpu-type and instruction set
  19 # extension options for __builtin_prefetch.
  20
  21 # Failure reports do not include the compile option that was used; that
  22 # information can be seen in the compile line in the log file.
  23
  24 # Do not generate prefetch instructions for the following options.
  25
  26 set PREFETCH_NONE [list \
  27         { -mtune=i386 } \
  28         { -mtune=i486 } \
  29         { -mtune=i586 } \
  30         { -mtune=i686 } \
  31         { -mtune=pentium2 } \
  32         { -mtune=k6 } \
  33         { -mtune=k6-2 } \
  34         { -mtune=k6-3 } \
  35         { -march=i386 } \
  36         { -march=i486 } \
  37         { -march=i586 } \
  38         { -march=i686 } \
  39         { -march=pentium2 } \
  40         { -march=k6 } ]
  41
  42 # For options in PREFETCH_SSE, generate SSE prefetch instructions for
  43 # __builtin_prefetch.  This includes -mtune for targets that treat prefetch
  44 # instructions as nops.
  45
  46 set PREFETCH_SSE [list \
  47         { -mtune=pentium3 } \
  48         { -mtune=pentium4 } \
  49         { -mtune=athlon } \
  50         { -mtune=athlon-4 } \
  51         { -march=pentium3 } \
  52         { -march=pentium4 } ]
  53
  54 # Generate 3DNow! prefetch instructions for the following.
  55
  56 set PREFETCH_3DNOW [list \
  57         { -march=k6-2 } \
  58         { -march=k6-3 } ]
  59
  60 # Athlon supports both 3DNow! and SSE prefetch instructions.  For
  61 # __builtin_prefetch, generate the 3DNow! instruction for write
  62 # prefetches but SSE prefetch instructions for read prefetches.
  63
  64 set PREFETCH_ATHLON [list \
  65         { -march=athlon } \
  66         { -march=athlon-4 } ]
  67
  68 if $tracelevel then {
  69     strace $tracelevel
  70 }
  71
  72 # Load support procs.
  73 load_lib gcc-dg.exp
  74
  75 # Initialize harness.
  76 dg-init
  77
  78 # Save these.  They are needed if testsuite loops over multiple ABIs
  79 set saved_torture_with_loops $torture_with_loops
  80 set saved_torture_without_loops $torture_without_loops
  81
  82 set torture_with_loops $PREFETCH_NONE
  83 set torture_without_loops $PREFETCH_NONE
  84 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-none-*.c]] ""
  85
  86 set torture_with_loops $PREFETCH_SSE
  87 set torture_without_loops $PREFETCH_SSE
  88 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-sse-*.c]] ""
  89
  90 set torture_with_loops $PREFETCH_3DNOW
  91 set torture_without_loops $PREFETCH_3DNOW
  92 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-3dnow-*.c]] ""
  93
  94 set torture_with_loops $PREFETCH_ATHLON
  95 set torture_without_loops $PREFETCH_ATHLON
  96 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-athlon-*.c]] ""
  97
  98 set torture_with_loops $saved_torture_with_loops
  99 set torture_without_loops $saved_torture_without_loops
 100
 101 dg-finish
 102