| /* { dg-require-effective-target power10_ok } */ |
| /* { dg-options "-O2 -mdejagnu-cpu=power10" } */ |
| |
| /* This tests whether GCC generates the ISA 3.1 BRW byte swap instruction for |
| GPR data, but generates XXBRW for data in a vector register. */ |
| |
| unsigned int |
| bswap_int (unsigned int a) |
| { |
| return __builtin_bswap32 (a); /* { dg-final { scan-assembler {\mbrw\M} } } */ |
| } |
| |
| double |
| bswap_int_dbl (unsigned int a) |
| { |
| unsigned int b = a; |
| /* Force the value to be loaded into a vector register. */ |
| __asm__ (" # %x0" : "+wa" (b)); |
| |
| /* { dg-final { scan-assembler {\mxxbrw\M} } } */ |
| return (double) __builtin_bswap32 (b); |
| } |
