1 /* { dg-do compile { target { powerpc64le-*-* } } } */
2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
3 /* { dg-options "-mcpu=power8 -O3" } */
4 /* { dg-final { scan-assembler "xxsldwi \[0-9\]*,\[0-9\]*,\[0-9\]*,3" } } */
5 /* { dg-final { scan-assembler-not "xxpermdi" } } */
6
7 /* This test verifies that a vector extract operand properly has its
8 lane changed by the swap optimization. Element 2 of LE corresponds
9 to element 1 of BE. When doublewords are swapped, this becomes
10 element 3 of BE, so we need to shift the vector left by 3 words
11 to be able to extract the correct value from BE element zero. */
12
13 typedef float v4f32 __attribute__ ((__vector_size__ (16)));
14
15 void foo (float);
16 extern v4f32 x, y;
17
main()18 int main() {
19 v4f32 z = x + y;
20 foo (z[2]);
21 }
22