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libavcodec/mips: Improve avc dequant-idct luma dc msa function

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Signed-off-by: Kaustubh Raste <kaustubh.raste@imgtec.com>
Reviewed-by: Manojkumar Bhosale <Manojkumar.Bhosale@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/265/head
Kaustubh Raste 8 years ago committed by Michael Niedermayer
parent 8e275a74b0
commit 36ea41de37
1 changed files with 32 additions and 34 deletions
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  1. 66
      libavcodec/mips/h264idct_msa.c

66
libavcodec/mips/h264idct_msa.c
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@ -40,17 +40,20 @@ static void avc_deq_idct_luma_dc_msa(int16_t *dst, int16_t *src,
int32_t de_q_val)
{
#define DC_DEST_STRIDE 16
int16_t out0, out1, out2, out3;
v8i16 src0, src1, src2, src3;
int16_t out0, out1, out2, out3, out4, out5, out6, out7;
v8i16 src1, src3;
v8i16 vec0, vec1, vec2, vec3;
v8i16 tmp0, tmp1, tmp2, tmp3;
v8i16 hres0, hres1, hres2, hres3;
v8i16 vres0, vres1, vres2, vres3;
v4i32 vres0_r, vres1_r, vres2_r, vres3_r;
v4i32 de_q_vec = __msa_fill_w(de_q_val);
const v4i32 de_q_vec = __msa_fill_w(de_q_val);
const v8i16 src0 = LD_SH(src);
const v8i16 src2 = LD_SH(src + 8);
LD4x4_SH(src, src0, src1, src2, src3);
TRANSPOSE4x4_SH_SH(src0, src1, src2, src3, src0, src1, src2, src3);
BUTTERFLY_4(src0, src2, src3, src1, vec0, vec3, vec2, vec1);
ILVL_D2_SH(src0, src0, src2, src2, src1, src3);
TRANSPOSE4x4_SH_SH(src0, src1, src2, src3, tmp0, tmp1, tmp2, tmp3);
BUTTERFLY_4(tmp0, tmp2, tmp3, tmp1, vec0, vec3, vec2, vec1);
BUTTERFLY_4(vec0, vec1, vec2, vec3, hres0, hres3, hres2, hres1);
TRANSPOSE4x4_SH_SH(hres0, hres1, hres2, hres3, hres0, hres1, hres2, hres3);
BUTTERFLY_4(hres0, hres1, hres3, hres2, vec0, vec3, vec2, vec1);
@ -72,40 +75,35 @@ static void avc_deq_idct_luma_dc_msa(int16_t *dst, int16_t *src,
out1 = __msa_copy_s_h(vec0, 1);
out2 = __msa_copy_s_h(vec0, 2);
out3 = __msa_copy_s_h(vec0, 3);
SH(out0, dst);
SH(out1, (dst + 2 * DC_DEST_STRIDE));
SH(out2, (dst + 8 * DC_DEST_STRIDE));
out4 = __msa_copy_s_h(vec0, 4);
out5 = __msa_copy_s_h(vec0, 5);
out6 = __msa_copy_s_h(vec0, 6);
out7 = __msa_copy_s_h(vec0, 7);
SH(out0, (dst + 0 * DC_DEST_STRIDE));
SH(out1, (dst + 2 * DC_DEST_STRIDE));
SH(out2, (dst + 8 * DC_DEST_STRIDE));
SH(out3, (dst + 10 * DC_DEST_STRIDE));
dst += DC_DEST_STRIDE;
out0 = __msa_copy_s_h(vec0, 4);
out1 = __msa_copy_s_h(vec0, 5);
out2 = __msa_copy_s_h(vec0, 6);
out3 = __msa_copy_s_h(vec0, 7);
SH(out0, dst);
SH(out1, (dst + 2 * DC_DEST_STRIDE));
SH(out2, (dst + 8 * DC_DEST_STRIDE));
SH(out3, (dst + 10 * DC_DEST_STRIDE));
dst += (3 * DC_DEST_STRIDE);
SH(out4, (dst + 1 * DC_DEST_STRIDE));
SH(out5, (dst + 3 * DC_DEST_STRIDE));
SH(out6, (dst + 9 * DC_DEST_STRIDE));
SH(out7, (dst + 11 * DC_DEST_STRIDE));
out0 = __msa_copy_s_h(vec1, 0);
out1 = __msa_copy_s_h(vec1, 1);
out2 = __msa_copy_s_h(vec1, 2);
out3 = __msa_copy_s_h(vec1, 3);
SH(out0, dst);
SH(out1, (dst + 2 * DC_DEST_STRIDE));
SH(out2, (dst + 8 * DC_DEST_STRIDE));
SH(out3, (dst + 10 * DC_DEST_STRIDE));
dst += DC_DEST_STRIDE;
out0 = __msa_copy_s_h(vec1, 4);
out1 = __msa_copy_s_h(vec1, 5);
out2 = __msa_copy_s_h(vec1, 6);
out3 = __msa_copy_s_h(vec1, 7);
SH(out0, dst);
SH(out1, (dst + 2 * DC_DEST_STRIDE));
SH(out2, (dst + 8 * DC_DEST_STRIDE));
SH(out3, (dst + 10 * DC_DEST_STRIDE));
out4 = __msa_copy_s_h(vec1, 4);
out5 = __msa_copy_s_h(vec1, 5);
out6 = __msa_copy_s_h(vec1, 6);
out7 = __msa_copy_s_h(vec1, 7);
SH(out0, (dst + 4 * DC_DEST_STRIDE));
SH(out1, (dst + 6 * DC_DEST_STRIDE));
SH(out2, (dst + 12 * DC_DEST_STRIDE));
SH(out3, (dst + 14 * DC_DEST_STRIDE));
SH(out4, (dst + 5 * DC_DEST_STRIDE));
SH(out5, (dst + 7 * DC_DEST_STRIDE));
SH(out6, (dst + 13 * DC_DEST_STRIDE));
SH(out7, (dst + 15 * DC_DEST_STRIDE));
#undef DC_DEST_STRIDE
}

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