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author | Janis Johnson <janis187@us.ibm.com> | 2002-01-15 17:30:28 +0000 |
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committer | Janis Johnson <janis@gcc.gnu.org> | 2002-01-15 17:30:28 +0000 |
commit | 441f52642d3247e9ee95f2608f94b4533bcde168 (patch) | |
tree | d46597272ce323319586bcb3ec895d145695fdb1 /gcc | |
parent | 82598228f08d373948f195d474ccc6a7aa9b2aab (diff) | |
download | gcc-441f52642d3247e9ee95f2608f94b4533bcde168.zip gcc-441f52642d3247e9ee95f2608f94b4533bcde168.tar.gz gcc-441f52642d3247e9ee95f2608f94b4533bcde168.tar.bz2 |
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
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-pf-3dnow-1.c | 29 | ||||
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c | 29 | ||||
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-pf-none-1.c | 26 | ||||
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-pf-sse-1.c | 30 | ||||
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-prefetch.exp | 94 |
6 files changed, 216 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4ac978a..44274ce 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +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. diff --git a/gcc/testsuite/gcc.misc-tests/i386-pf-3dnow-1.c b/gcc/testsuite/gcc.misc-tests/i386-pf-3dnow-1.c new file mode 100644 index 0000000..5774963 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-pf-3dnow-1.c @@ -0,0 +1,29 @@ +/* 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" } } */ diff --git a/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c b/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c new file mode 100644 index 0000000..301e8b7 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c @@ -0,0 +1,29 @@ +/* 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" } } */ diff --git a/gcc/testsuite/gcc.misc-tests/i386-pf-none-1.c b/gcc/testsuite/gcc.misc-tests/i386-pf-none-1.c new file mode 100644 index 0000000..bdd236a --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-pf-none-1.c @@ -0,0 +1,26 @@ +/* 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" } } */ diff --git a/gcc/testsuite/gcc.misc-tests/i386-pf-sse-1.c b/gcc/testsuite/gcc.misc-tests/i386-pf-sse-1.c new file mode 100644 index 0000000..783fc82 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-pf-sse-1.c @@ -0,0 +1,30 @@ +/* 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" } } */ 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 0000000..353a1e6 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/i386-prefetch.exp @@ -0,0 +1,94 @@ +# 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 |