| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -ffast-math -ftree-vectorize -msse4.2 -mtune=corei7" } */ | |
| /* { dg-require-effective-target c99_runtime } */ | |
| #include <math.h> | |
| struct XYZ | |
| { | |
| float x; | |
| float y; | |
| float z; | |
| }; | |
| void | |
| norm (struct XYZ *in, struct XYZ *out, int size) | |
| { | |
| int i; | |
| for (i = 0; i < size; ++i) | |
| { | |
| float n = sqrt (in[i].x * in[i].x + in[i].y * in[i].y + in[i].z * in[i].z); | |
| out[i].x = in[i].x / n; | |
| out[i].y = in[i].y / n; | |
| out[i].z = in[i].z / n; | |
| } | |
| } | |
| /* { dg-final { scan-assembler "rsqrtps" } } */ |