| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -march=skylake" } */ | |
| union ieee754_float | |
| { | |
| float f; | |
| struct | |
| { | |
| unsigned int mantissa:23; | |
| unsigned int exponent:8; | |
| unsigned int negative:1; | |
| } ieee; | |
| }; | |
| double | |
| foo (float f) | |
| { | |
| union ieee754_float u; | |
| u.f = f; | |
| u.ieee.negative = 0; | |
| return u.f; | |
| } | |
| /* { dg-final { scan-assembler-not "vcvtss2sd\[^\\n\]*\\\(%.sp\\\)" } } */ |