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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c b/gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c new file mode 100644 index 000000000..d793437f1 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.misc-tests/i386-pf-athlon-1.c @@ -0,0 +1,31 @@ +/* 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-*-* x86_64-*-* } && ia32 } } } */ + +extern void exit (int); + +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" } } */ |