| /* { dg-do compile } */ |
| /* { dg-options "-O2 -ftree-vectorize -ffast-math --param aarch64-sve-compare-costs=0" } */ |
| |
| double |
| f (double *restrict a, double *restrict b, int *lookup) |
| { |
| double res = 0.0; |
| for (int i = 0; i < 512; ++i) |
| res += a[lookup[i]] * b[i]; |
| return res; |
| } |
| |
| /* { dg-final { scan-assembler-times {\tfmla\tz[0-9]+.d, p[0-7]/m, } 2 } } */ |
| /* Check that the vector instructions are the only instructions. */ |
| /* { dg-final { scan-assembler-times {\tfmla\t} 2 } } */ |
| /* { dg-final { scan-assembler-not {\tfadd\t} } } */ |
| /* { dg-final { scan-assembler-times {\tfaddv\td0,} 1 } } */ |
| /* { dg-final { scan-assembler-not {\tsel\t} } } */ |
