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