1 /* { dg-do compile } */ 2 /* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */ 3 4 typedef unsigned char v16qi __attribute__((vector_size(16))); 5 typedef unsigned short v8hi __attribute__((vector_size(16))); 6 typedef unsigned int v4si __attribute__((vector_size(16))); foo(char * dest)7void foo(char *dest) 8 { 9 unsigned char x[256] __attribute__((aligned(16))); 10 __builtin_memset (x, 23, 256); 11 v16qi resqi = *(v16qi *)&x[16]; 12 v8hi reshi = *(v8hi *)&x[16]; 13 v4si ressi = *(v4si *)&x[16]; 14 *(v16qi *)dest = resqi; 15 *(v8hi *)(dest + 16) = reshi; 16 *(v4si *)(dest + 32) = ressi; 17 } 18 19 /* { dg-final { scan-tree-dump-times "Replaced MEM" 3 "fre1" } } */ 20 /* { dg-final { scan-tree-dump-times "Deleted dead call" 1 "dse1" } } */ 21