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/* { dg-do compile } */
/* { dg-options "-O2 -g -ftree-vectorize -mssse3 -fdump-tree-vect-details" { target { i?86-*-* x86_64-*-* } } } */
#define byte unsigned char
void
matrix_mul (byte *in, byte *out, int size)
{
int i;
for (i = 0; i < size; i++)
{
byte in0 = in[0];
byte in1 = in[1];
byte in2 = in[2];
byte out0, out1, out2, out3;
out0 = in0 + in1;
out1 = in0 + in2;
out2 = in1 + in2;
out3 = in0 + in1 + in2;
out[0] = out0;
out[1] = out1;
out[2] = out2;
out[3] = out3;
in += 3;
out += 4;
}
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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