void vpx_idct4x4_16_add_msa(const int16_t *input, uint8_t *dst,
int32_t dst_stride) {
v8i16 in0, in1, in2, in3;
/* load vector elements of 4x4 block */
LD4x4_SH(input, in0, in1, in2, in3);
/* rows */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* columns */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* rounding (add 2^3, divide by 2^4) */
SRARI_H4_SH(in0, in1, in2, in3, 4);
ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
}
void vp9_iht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
int32_t dst_stride, int32_t tx_type) {
v8i16 in0, in1, in2, in3;
/* load vector elements of 4x4 block */
LD4x4_SH(input, in0, in1, in2, in3);
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
switch (tx_type) {
case DCT_DCT:
/* DCT in horizontal */
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* DCT in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case ADST_DCT:
/* DCT in horizontal */
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* ADST in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case DCT_ADST:
/* ADST in horizontal */
VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* DCT in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case ADST_ADST:
/* ADST in horizontal */
VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* ADST in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
VP9_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
default:
assert(0);
break;
}
/* final rounding (add 2^3, divide by 2^4) and shift */
SRARI_H4_SH(in0, in1, in2, in3, 4);
/* add block and store 4x4 */
ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
}
