diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/recip-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/recip-2.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/recip-2.c b/gcc/testsuite/gcc.target/powerpc/recip-2.c new file mode 100644 index 00000000000..3e64c07578f --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/recip-2.c @@ -0,0 +1,21 @@ +/* { dg-do compile { target { { powerpc*-*-* } && { ! powerpc*-apple-darwin* } } } } */ +/* { dg-options "-O2 -mrecip -ffast-math -mcpu=power5" } */ +/* { dg-final { scan-assembler-times "frsqrtes" 1 } } */ +/* { dg-final { scan-assembler-times "fmsubs" 1 } } */ +/* { dg-final { scan-assembler-times "fmuls" 6 } } */ +/* { dg-final { scan-assembler-times "fnmsubs" 3 } } */ +/* { dg-final { scan-assembler-times "fsqrt" 1 } } */ + +/* power5 resqrte is not accurate enough, and should not be generated by + default for -mrecip. */ +double +rsqrt_d (double a) +{ + return 1.0 / __builtin_sqrt (a); +} + +float +rsqrt_f (float a) +{ + return 1.0f / __builtin_sqrtf (a); +} |