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Diffstat (limited to 'gcc/testsuite/gcc.misc-tests/i386-prefetch.exp')
| -rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-prefetch.exp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.misc-tests/i386-prefetch.exp b/gcc/testsuite/gcc.misc-tests/i386-prefetch.exp new file mode 100644 index 000000000..a9f767cde --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-prefetch.exp @@ -0,0 +1,114 @@ +# Copyright (C) 2002, 2004, 2007, 2008 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GCC; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. + +# Test that the correct data prefetch instructions (SSE or 3DNow! variant, +# or none) are used for various i386 cpu-type and instruction set +# extension options for __builtin_prefetch. When using -mtune, specify +# the minimum supported architecture in case the compiler was configured +# with a different default. + +# Failure reports do not include the compile option that was used; that +# information can be seen in the compile line in the log file. + +# Do not generate prefetch instructions for the following options. + +set PREFETCH_NONE [list \ + { -march=i386 -mtune=i386 } \ + { -march=i386 -mtune=i486 } \ + { -march=i386 -mtune=i586 } \ + { -march=i386 -mtune=i686 } \ + { -march=i386 -mtune=pentium2 } \ + { -march=i386 -mtune=k6 } \ + { -march=i386 -mtune=k6-2 } \ + { -march=i386 -mtune=k6-3 } \ + { -march=i386 } \ + { -march=i486 } \ + { -march=i586 } \ + { -march=i686 } \ + { -march=pentium2 } \ + { -march=k6 } ] + +# For options in PREFETCH_SSE, generate SSE prefetch instructions for +# __builtin_prefetch. This includes -mtune for targets that treat prefetch +# instructions as nops. + +set PREFETCH_SSE [list \ + { -march=i686 -mtune=pentium3 } \ + { -march=i686 -mtune=pentium3m } \ + { -march=i686 -mtune=pentium-m } \ + { -march=i686 -mtune=pentium4 } \ + { -march=i686 -mtune=pentium4m } \ + { -march=i686 -mtune=prescott } \ + { -march=i686 -mtune=athlon } \ + { -march=i686 -mtune=athlon-4 } \ + { -march=i686 -mtune=c3-2 } \ + { -march=pentium3 } \ + { -march=pentium3m } \ + { -march=pentium-m } \ + { -march=pentium4 } \ + { -march=pentium4m } \ + { -march=prescott } \ + { -march=c3-2 } ] + +# Generate 3DNow! prefetch instructions for the following. + +set PREFETCH_3DNOW [list \ + { -march=c3 } \ + { -march=k6-2 } \ + { -march=k6-3 } ] + +# Athlon supports both 3DNow! and SSE prefetch instructions. For +# __builtin_prefetch, generate the 3DNow! instruction for write +# prefetches but SSE prefetch instructions for read prefetches. + +set PREFETCH_ATHLON [list \ + { -march=athlon } \ + { -march=athlon-4 } ] + +if $tracelevel then { + strace $tracelevel +} + +# Load support procs. +load_lib gcc-dg.exp +load_lib torture-options.exp + +# Initialize harness. +dg-init +torture-init + +if { [board_info target exists multilib_flags] + && [string match "* -march=*" " [board_info target multilib_flags] "] } { + # Multilib flags come after the -march flags we pass and override + # them, so skip these tests when such flags are passed. + return +} + +set-torture-options $PREFETCH_NONE +gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-none-*.c]] "" + +set-torture-options $PREFETCH_SSE +gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-sse-*.c]] "" + +set-torture-options $PREFETCH_3DNOW +gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-3dnow-*.c]] "" + +set-torture-options $PREFETCH_ATHLON +gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-athlon-*.c]] "" + +torture-finish +dg-finish + |