| /* 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" } } */ |
