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
|
/* { dg-do compile } */
/* { dg-require-effective-target powerpc_altivec_ok } */
/* { dg-options "-O2 -mdejagnu-cpu=power8 -maltivec" } */
/* The expansion for vector character multiply introduces a vperm operation.
This tests that changing the vperm mask allows us to remove all swaps
from the generated code. */
#include <altivec.h>
void abort ();
vector unsigned char r;
vector unsigned char v =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
vector unsigned char i =
{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
int main ()
{
int j;
r = v * i;
return 0;
}
/* { dg-final { scan-assembler-times "vperm" 1 } } */
/* { dg-final { scan-assembler-not "xxpermdi" } } */
|
