1 /* { dg-do compile } */
2 /* { dg-options "-O3 -fdump-tree-optimized" } */
3
4 void
test1(double * out1,double * out2,double * out3,double * in1,double * in2,int len)5 test1 (double *out1, double *out2, double *out3, double *in1,
6 double *in2, int len)
7 {
8 int i;
9 double *__restrict o1 = __builtin_assume_aligned (out1, 16);
10 double *__restrict o2 = __builtin_assume_aligned (out2, 16);
11 double *__restrict o3 = __builtin_assume_aligned (out3, 16);
12 double *__restrict i1 = __builtin_assume_aligned (in1, 16);
13 double *__restrict i2 = __builtin_assume_aligned (in2, 16);
14 for (i = 0; i < len; ++i)
15 {
16 o1[i] = i1[i] * i2[i];
17 o2[i] = i1[i] + i2[i];
18 o3[i] = i1[i] - i2[i];
19 }
20 }
21
22 void
test2(double * out1,double * out2,double * out3,double * in1,double * in2,int len)23 test2 (double *out1, double *out2, double *out3, double *in1,
24 double *in2, int len)
25 {
26 int i, align = 32, misalign = 16;
27 out1 = __builtin_assume_aligned (out1, align, misalign);
28 out2 = __builtin_assume_aligned (out2, align, 16);
29 out3 = __builtin_assume_aligned (out3, 32, misalign);
30 in1 = __builtin_assume_aligned (in1, 32, 16);
31 in2 = __builtin_assume_aligned (in2, 32, 0);
32 for (i = 0; i < len; ++i)
33 {
34 out1[i] = in1[i] * in2[i];
35 out2[i] = in1[i] + in2[i];
36 out3[i] = in1[i] - in2[i];
37 }
38 }
39
40 /* { dg-final { scan-tree-dump-not "__builtin_assume_aligned" "optimized" } } */
41