swar_10x3b_v2.c
1.04 KB
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//A: --has-swar
//C: -daiteq-swar-enable
// array of subword
#define DATA_SIZE 10
typedef unsigned int s10x3b __attribute__((subword(3)));
void do_10x3b_add(int n, s10x3b *a, s10x3b *b, s10x3b *z)
{
for (int i=0;i<n;++i)
{
*z = *a + *b;
z++;
a++;
b++;
}
}
void do_10x3b_sub(int n)
{
s10x3b a[10], b[10], z[10];
for (int i=0;i<n;++i)
{
z[i] = a[i] - b[i];
}
}
void do_10x3b_mul(int n, s10x3b a[], s10x3b b[], s10x3b z[])
{
for (int i=0;i<n;++i)
{
z[i] = a[i] * b[i];
}
}
unsigned int data_a[DATA_SIZE] = {0,1,2,3,4,5,6,7,8,9,10};
unsigned int data_b[DATA_SIZE] = {1,2,3,4,5,6,7,8,9,10,11};
unsigned int data_z[DATA_SIZE];
int main(void)
{
// s8x4b a[NUM_PIXELS], b[NUM_PIXELS], z[NUM_PIXELS];
s10x3b *a, *b, *z;
a = (s10x3b *)data_a;
b = (s10x3b *)data_b;
z = (s10x3b *)data_z;
// for (int i=0;i<NUM_PIXELS;++i) {
// z[i] = a[i] + b[i];
// }
// z = a + b;
do_10x3b_add((DATA_SIZE+9)/10,a,b,z);
do_10x3b_sub((DATA_SIZE+9)/10);
do_10x3b_mul((DATA_SIZE+9)/10,a,b,z);
return 0;
}