blob: 87ba6662041d9be470cd0fdfcbb92847eca804e9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */
typedef unsigned char v16qi __attribute__((vector_size(16)));
typedef unsigned short v8hi __attribute__((vector_size(16)));
typedef unsigned int v4si __attribute__((vector_size(16)));
void foo(char *dest)
{
unsigned char x[256] __attribute__((aligned(16)));
__builtin_memset (x, 23, 256);
v16qi resqi = *(v16qi *)&x[16];
v8hi reshi = *(v8hi *)&x[16];
v4si ressi = *(v4si *)&x[16];
*(v16qi *)dest = resqi;
*(v8hi *)(dest + 16) = reshi;
*(v4si *)(dest + 32) = ressi;
}
/* { dg-final { scan-tree-dump-times "Replaced MEM" 3 "fre1" } } */
/* { dg-final { scan-tree-dump-times "Deleted dead call" 1 "dse1" } } */
|
