Commit 441f5264 by Janis Johnson Committed by Janis Johnson

i386-prefetch.exp: New.

	* gcc.misc-tests/i386-prefetch.exp: New.
	* gcc.misc-tests/i386-pf-3dnow-1.c: New test.
	* gcc.misc-tests/i386-pf-athlon-1.c: New test.
	* gcc.misc-tests/i386-pf-none-1.c: New test.
	* gcc.misc-tests/i386-pf-sse-1.c: New test.

From-SVN: r48876
parent 82598228
2002-01-15 Janis Johnson <janis187@us.ibm.com>
* gcc.misc-tests/i386-prefetch.exp: New.
* gcc.misc-tests/i386-pf-3dnow-1.c: New test.
* gcc.misc-tests/i386-pf-athlon-1.c: New test.
* gcc.misc-tests/i386-pf-none-1.c: New test.
* gcc.misc-tests/i386-pf-sse-1.c: New test.
2002-01-15 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/gnu89-init-1.c: Add new tests.
......
/* Test that the correct data prefetch instructions are generated for i386
variants that use 3DNow! prefetch instructions. */
/* { dg-do compile { target i?86-*-* } } */
char *msg = "howdy there";
void foo (char *p)
{
__builtin_prefetch (p, 0, 0);
__builtin_prefetch (p, 0, 1);
__builtin_prefetch (p, 0, 2);
__builtin_prefetch (p, 0, 3);
__builtin_prefetch (p, 1, 0);
__builtin_prefetch (p, 1, 1);
__builtin_prefetch (p, 1, 2);
__builtin_prefetch (p, 1, 3);
}
int main ()
{
foo (msg);
exit (0);
}
/* { dg-final { scan-assembler "prefetch" } } */
/* { dg-final { scan-assembler "prefetchw" } } */
/* { dg-final { scan-assembler-not "prefetchnta" } } */
/* { dg-final { scan-assembler-not "prefetcht" } } */
/* Test that the correct data prefetch instructions are generated for i386
variants that use 3DNow! prefetchw or SSE prefetch instructions with
locality hints. */
/* { dg-do compile { target i?86-*-* } } */
char *msg = "howdy there";
void foo (char *p)
{
__builtin_prefetch (p, 0, 0);
__builtin_prefetch (p, 0, 1);
__builtin_prefetch (p, 0, 2);
__builtin_prefetch (p, 0, 3);
__builtin_prefetch (p, 1, 0);
__builtin_prefetch (p, 1, 1);
__builtin_prefetch (p, 1, 2);
__builtin_prefetch (p, 1, 3);
}
int main ()
{
foo (msg);
exit (0);
}
/* { dg-final { scan-assembler "prefetchw" } } */
/* { dg-final { scan-assembler "prefetchnta" } } */
/* { dg-final { scan-assembler "prefetcht" } } */
/* Test that data prefetch instructions are not generated for i386 variants
that do not support those instructions. */
/* { dg-do compile { target i?86-*-* } } */
char *msg = "howdy there";
void foo (char *p)
{
__builtin_prefetch (p, 0, 0);
__builtin_prefetch (p, 0, 1);
__builtin_prefetch (p, 0, 2);
__builtin_prefetch (p, 0, 3);
__builtin_prefetch (p, 1, 0);
__builtin_prefetch (p, 1, 1);
__builtin_prefetch (p, 1, 2);
__builtin_prefetch (p, 1, 3);
}
int main ()
{
foo (msg);
exit (0);
}
/* { dg-final { scan-assembler-not "fetch" } } */
/* Test that the correct data prefetch instructions are generated for i386
variants that use SSE prefetch instructions. */
/* { dg-do compile { target i?86-*-* } } */
char *msg = "howdy there";
void foo (char *p)
{
__builtin_prefetch (p, 0, 0);
__builtin_prefetch (p, 0, 1);
__builtin_prefetch (p, 0, 2);
__builtin_prefetch (p, 0, 3);
__builtin_prefetch (p, 1, 0);
__builtin_prefetch (p, 1, 1);
__builtin_prefetch (p, 1, 2);
__builtin_prefetch (p, 1, 3);
}
int main ()
{
foo (msg);
exit (0);
}
/* { dg-final { scan-assembler "prefetchnta" } } */
/* { dg-final { scan-assembler "prefetcht0" } } */
/* { dg-final { scan-assembler "prefetcht1" } } */
/* { dg-final { scan-assembler "prefetcht2" } } */
/* { dg-final { scan-assembler-not "prefetchw" } } */
# Copyright (C) 2002 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 2 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# 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.
# 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 \
{ -mcpu=i386 } \
{ -mcpu=i486 } \
{ -mcpu=i586 } \
{ -mcpu=i686 } \
{ -mcpu=pentium2 } \
{ -mcpu=k6 } \
{ -mcpu=k6-2 } \
{ -mcpu=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 -mcpu for targets that treat prefetch
# instructions as nops.
set PREFETCH_SSE [list \
{ -mcpu=pentium3 } \
{ -mcpu=pentium4 } \
{ -mcpu=athlon } \
{ -mcpu=athlon-4 } \
{ -march=pentium3 } \
{ -march=pentium4 } ]
# Generate 3DNow! prefetch instructions for the following.
set PREFETCH_3DNOW [list \
{ -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
# Initialize harness.
dg-init
set torture_with_loops $PREFETCH_NONE
set torture_without_loops $PREFETCH_NONE
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-none-*.c]] ""
set torture_with_loops $PREFETCH_SSE
set torture_without_loops $PREFETCH_SSE
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-sse-*.c]] ""
set torture_with_loops $PREFETCH_3DNOW
set torture_without_loops $PREFETCH_3DNOW
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-3dnow-*.c]] ""
set torture_with_loops $PREFETCH_ATHLON
set torture_without_loops $PREFETCH_ATHLON
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/i386-pf-athlon-*.c]] ""
dg-finish
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment