28 vector
float d0, d1, s,
zero = (vector float)vec_splat_u32(0);
29 for (i = 0; i < len - 7; i += 8) {
30 d0 = vec_ld( 0, src0 + i);
31 s = vec_ld( 0, src1 + i);
32 d1 = vec_ld(16, src0 + i);
33 d0 = vec_madd(d0, s, zero);
34 d1 = vec_madd(d1, vec_ld(16, src1 + i), zero);
35 vec_st(d0, 0, dst + i);
36 vec_st(d1, 16, dst + i);
41 const float *src1,
const float *win,
int len)
44 const vector
unsigned char reverse =
vcprm(3, 2, 1, 0);
51 zero = (vector float)vec_splat_u32(0);
53 for (i = -len * 4, j = len * 4 - 16; i < 0; i += 16, j -= 16) {
59 s1 = vec_perm(s1, s1, reverse);
60 wj = vec_perm(wj, wj, reverse);
62 t0 = vec_madd(s0, wj, zero);
63 t0 = vec_nmsub(s1, wi, t0);
64 t1 = vec_madd(s0, wi, zero);
65 t1 = vec_madd(s1, wj, t1);
66 t1 = vec_perm(t1, t1, reverse);