1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */
/* { dg-require-effective-target sse } */
#include "sse-check.h"
extern float sqrtf (float);
extern float fabsf (float);
#define N 8
static void
sse_test (void)
{
float a[N] = { 0.f, 18.f, 108.f, 324.f, 720.f, 1944.f, 3087.f, 5832.f };
float b[N] = { 1.f, 2.f, 3.f, 4.f, 5.f, 6.f, 7.f, 8.f };
float r[N];
float rc[N] = { 0.f, 3.f, 6.f, 9.f, 12.f, 18.f, 21.f, 27.f };
int i;
for (i = 0; i < N; i++)
{
r[i] = sqrtf (a[i] / b[i]);
}
/* check results: */
for (i = 0; i < N; i++)
{
if (fabsf (r[i] - rc[i]) > 0.0001)
abort();
}
}
|