diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/funcspec-7.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/funcspec-7.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/funcspec-7.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/funcspec-7.c new file mode 100644 index 000000000..56b549050 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/funcspec-7.c @@ -0,0 +1,13 @@ +/* Test whether using target specific options, we can generate the reciprocal + square root instruction. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=k8 -mno-recip -mfpmath=sse -ffast-math" } */ + +float do_recip (float a) __attribute__((__target__("recip"))); +float do_normal (float a); + +float do_recip (float a) { return 1.0f / __builtin_sqrtf (a); } +float do_normal (float a) { return 1.0f / __builtin_sqrtf (a); } + +/* { dg-final { scan-assembler "sqrtss" } } */ +/* { dg-final { scan-assembler "rsqrtss" } } */ |