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| author | Janis Johnson <janis187@us.ibm.com> | 2002-01-15 17:30:28 +0000 |
|---|---|---|
| committer | Janis Johnson <janis@gcc.gnu.org> | 2002-01-15 17:30:28 +0000 |
| commit | 441f52642d3247e9ee95f2608f94b4533bcde168 (patch) | |
| tree | d46597272ce323319586bcb3ec895d145695fdb1 /gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c | |
| parent | 82598228f08d373948f195d474ccc6a7aa9b2aab (diff) | |
| download | gcc-441f52642d3247e9ee95f2608f94b4533bcde168.tar.gz | |
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/testsuite/gcc.misc-tests/i386-pf-athlon-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c | 29 |
1 files changed, 29 insertions, 0 deletions
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 00000000000..301e8b7ed9f --- /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" } } */ |