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Unified Diff: source/rotate_msa.cc

Issue 2617703002: Add MSA optimized rotate functions (used 16x16 transpose) (Closed)
Patch Set: correct file mode Created 3 years, 11 months ago
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Index: source/rotate_msa.cc
diff --git a/source/rotate_msa.cc b/source/rotate_msa.cc
index 08fbde0192235263a7607b9df267ef38338b0035..8907765aba70cad2a99858765b57cc3c8ab3fe44 100644
--- a/source/rotate_msa.cc
+++ b/source/rotate_msa.cc
@@ -19,179 +19,226 @@ namespace libyuv {
extern "C" {
#endif
-void TransposeWx8_MSA(const uint8_t* src,
- int src_stride,
- uint8_t* dst,
- int dst_stride,
- int width) {
+#define ILVRL_B(in0, in1, in2, in3, out0, out1, out2, out3) \
+ { \
+ out0 = (v16u8)__msa_ilvr_b((v16i8)in1, (v16i8)in0); \
+ out1 = (v16u8)__msa_ilvl_b((v16i8)in1, (v16i8)in0); \
+ out2 = (v16u8)__msa_ilvr_b((v16i8)in3, (v16i8)in2); \
+ out3 = (v16u8)__msa_ilvl_b((v16i8)in3, (v16i8)in2); \
+ }
+
+#define ILVRL_H(in0, in1, in2, in3, out0, out1, out2, out3) \
+ { \
+ out0 = (v16u8)__msa_ilvr_h((v8i16)in1, (v8i16)in0); \
+ out1 = (v16u8)__msa_ilvl_h((v8i16)in1, (v8i16)in0); \
+ out2 = (v16u8)__msa_ilvr_h((v8i16)in3, (v8i16)in2); \
+ out3 = (v16u8)__msa_ilvl_h((v8i16)in3, (v8i16)in2); \
+ }
+
+#define ILVRL_W(in0, in1, in2, in3, out0, out1, out2, out3) \
+ { \
+ out0 = (v16u8)__msa_ilvr_w((v4i32)in1, (v4i32)in0); \
+ out1 = (v16u8)__msa_ilvl_w((v4i32)in1, (v4i32)in0); \
+ out2 = (v16u8)__msa_ilvr_w((v4i32)in3, (v4i32)in2); \
+ out3 = (v16u8)__msa_ilvl_w((v4i32)in3, (v4i32)in2); \
+ }
+
+#define ILVRL_D(in0, in1, in2, in3, out0, out1, out2, out3) \
+ { \
+ out0 = (v16u8)__msa_ilvr_d((v2i64)in1, (v2i64)in0); \
+ out1 = (v16u8)__msa_ilvl_d((v2i64)in1, (v2i64)in0); \
+ out2 = (v16u8)__msa_ilvr_d((v2i64)in3, (v2i64)in2); \
+ out3 = (v16u8)__msa_ilvl_d((v2i64)in3, (v2i64)in2); \
+ }
+
+void TransposeWx16_C(const uint8* src,
+ int src_stride,
+ uint8* dst,
+ int dst_stride,
+ int width) {
+ TransposeWx8_C(src, src_stride, dst, dst_stride, width);
+ TransposeWx8_C((src + 8 * src_stride), src_stride, (dst + 8), dst_stride,
+ width);
+}
+
+void TransposeUVWx16_C(const uint8* src,
+ int src_stride,
+ uint8* dst_a,
+ int dst_stride_a,
+ uint8* dst_b,
+ int dst_stride_b,
+ int width) {
+ TransposeUVWx8_C(src, src_stride, dst_a, dst_stride_a, dst_b, dst_stride_b,
+ width);
+ TransposeUVWx8_C((src + 8 * src_stride), src_stride, (dst_a + 8),
+ dst_stride_a, (dst_b + 8), dst_stride_b, width);
+}
+
+void TransposeWx16_MSA(const uint8* src,
+ int src_stride,
+ uint8* dst,
+ int dst_stride,
+ int width) {
int x;
- uint64_t val0, val1, val2, val3;
- v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
- v16u8 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+ const uint8* s;
+ v16u8 src0, src1, src2, src3, dst0, dst1, dst2, dst3, vec0, vec1, vec2, vec3;
v16u8 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
- v16u8 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
+ v16u8 res0, res1, res2, res3, res4, res5, res6, res7, res8, res9;
for (x = 0; x < width; x += 16) {
- src0 = (v16u8)__msa_ld_b((v16i8*)src, 0);
- src1 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride), 0);
- src2 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 2), 0);
- src3 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 3), 0);
- src4 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 4), 0);
- src5 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 5), 0);
- src6 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 6), 0);
- src7 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 7), 0);
- vec0 = (v16u8)__msa_ilvr_b((v16i8)src2, (v16i8)src0);
- vec1 = (v16u8)__msa_ilvr_b((v16i8)src3, (v16i8)src1);
- vec2 = (v16u8)__msa_ilvr_b((v16i8)src6, (v16i8)src4);
- vec3 = (v16u8)__msa_ilvr_b((v16i8)src7, (v16i8)src5);
- vec4 = (v16u8)__msa_ilvl_b((v16i8)src2, (v16i8)src0);
- vec5 = (v16u8)__msa_ilvl_b((v16i8)src3, (v16i8)src1);
- vec6 = (v16u8)__msa_ilvl_b((v16i8)src6, (v16i8)src4);
- vec7 = (v16u8)__msa_ilvl_b((v16i8)src7, (v16i8)src5);
- reg0 = (v16u8)__msa_ilvr_b((v16i8)vec1, (v16i8)vec0);
- reg1 = (v16u8)__msa_ilvl_b((v16i8)vec1, (v16i8)vec0);
- reg2 = (v16u8)__msa_ilvr_b((v16i8)vec3, (v16i8)vec2);
- reg3 = (v16u8)__msa_ilvl_b((v16i8)vec3, (v16i8)vec2);
- reg4 = (v16u8)__msa_ilvr_b((v16i8)vec5, (v16i8)vec4);
- reg5 = (v16u8)__msa_ilvl_b((v16i8)vec5, (v16i8)vec4);
- reg6 = (v16u8)__msa_ilvr_b((v16i8)vec7, (v16i8)vec6);
- reg7 = (v16u8)__msa_ilvl_b((v16i8)vec7, (v16i8)vec6);
- dst0 = (v16u8)__msa_ilvr_w((v4i32)reg2, (v4i32)reg0);
- dst1 = (v16u8)__msa_ilvl_w((v4i32)reg2, (v4i32)reg0);
- dst2 = (v16u8)__msa_ilvr_w((v4i32)reg3, (v4i32)reg1);
- dst3 = (v16u8)__msa_ilvl_w((v4i32)reg3, (v4i32)reg1);
- dst4 = (v16u8)__msa_ilvr_w((v4i32)reg6, (v4i32)reg4);
- dst5 = (v16u8)__msa_ilvl_w((v4i32)reg6, (v4i32)reg4);
- dst6 = (v16u8)__msa_ilvr_w((v4i32)reg7, (v4i32)reg5);
- dst7 = (v16u8)__msa_ilvl_w((v4i32)reg7, (v4i32)reg5);
- val0 = __msa_copy_s_d((v2i64)dst0, 0);
- val1 = __msa_copy_s_d((v2i64)dst0, 1);
- val2 = __msa_copy_s_d((v2i64)dst1, 0);
- val3 = __msa_copy_s_d((v2i64)dst1, 1);
- SD(val0, dst);
- SD(val1, dst + dst_stride);
- SD(val2, dst + dst_stride * 2);
- SD(val3, dst + dst_stride * 3);
+ s = src;
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg0, reg1, reg2, reg3);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg4, reg5, reg6, reg7);
+ ILVRL_W(reg0, reg4, reg1, reg5, res0, res1, res2, res3);
+ ILVRL_W(reg2, reg6, reg3, reg7, res4, res5, res6, res7);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg0, reg1, reg2, reg3);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg4, reg5, reg6, reg7);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg4, (v4i32)reg0);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg4, (v4i32)reg0);
+ ILVRL_D(res0, res8, res1, res9, dst0, dst1, dst2, dst3);
+ ST_UB4(dst0, dst1, dst2, dst3, dst, dst_stride);
dst += dst_stride * 4;
- val0 = __msa_copy_s_d((v2i64)dst2, 0);
- val1 = __msa_copy_s_d((v2i64)dst2, 1);
- val2 = __msa_copy_s_d((v2i64)dst3, 0);
- val3 = __msa_copy_s_d((v2i64)dst3, 1);
- SD(val0, dst);
- SD(val1, dst + dst_stride);
- SD(val2, dst + dst_stride * 2);
- SD(val3, dst + dst_stride * 3);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg5, (v4i32)reg1);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg5, (v4i32)reg1);
+ ILVRL_D(res2, res8, res3, res9, dst0, dst1, dst2, dst3);
+ ST_UB4(dst0, dst1, dst2, dst3, dst, dst_stride);
dst += dst_stride * 4;
- val0 = __msa_copy_s_d((v2i64)dst4, 0);
- val1 = __msa_copy_s_d((v2i64)dst4, 1);
- val2 = __msa_copy_s_d((v2i64)dst5, 0);
- val3 = __msa_copy_s_d((v2i64)dst5, 1);
- SD(val0, dst);
- SD(val1, dst + dst_stride);
- SD(val2, dst + dst_stride * 2);
- SD(val3, dst + dst_stride * 3);
- dst += dst_stride * 4;
- val0 = __msa_copy_s_d((v2i64)dst6, 0);
- val1 = __msa_copy_s_d((v2i64)dst6, 1);
- val2 = __msa_copy_s_d((v2i64)dst7, 0);
- val3 = __msa_copy_s_d((v2i64)dst7, 1);
- SD(val0, dst);
- SD(val1, dst + dst_stride);
- SD(val2, dst + dst_stride * 2);
- SD(val3, dst + dst_stride * 3);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg6, (v4i32)reg2);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg6, (v4i32)reg2);
+ ILVRL_D(res4, res8, res5, res9, dst0, dst1, dst2, dst3);
+ ST_UB4(dst0, dst1, dst2, dst3, dst, dst_stride);
dst += dst_stride * 4;
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg7, (v4i32)reg3);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg7, (v4i32)reg3);
+ ILVRL_D(res6, res8, res7, res9, dst0, dst1, dst2, dst3);
+ ST_UB4(dst0, dst1, dst2, dst3, dst, dst_stride);
src += 16;
+ dst += dst_stride * 4;
}
}
-void TransposeUVWx8_MSA(const uint8_t* src,
- int src_stride,
- uint8_t* dst_a,
- int dst_stride_a,
- uint8_t* dst_b,
- int dst_stride_b,
- int width) {
+void TransposeUVWx16_MSA(const uint8* src,
+ int src_stride,
+ uint8* dst_a,
+ int dst_stride_a,
+ uint8* dst_b,
+ int dst_stride_b,
+ int width) {
int x;
- uint64_t val0, val1, val2, val3;
- v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
- v16u8 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+ const uint8* s;
+ v16u8 src0, src1, src2, src3, dst0, dst1, dst2, dst3, vec0, vec1, vec2, vec3;
v16u8 reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
- v16u8 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
+ v16u8 res0, res1, res2, res3, res4, res5, res6, res7, res8, res9;
for (x = 0; x < width; x += 8) {
- src0 = (v16u8)__msa_ld_b((v16i8*)src, 0);
- src1 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride), 0);
- src2 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 2), 0);
- src3 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 3), 0);
- src4 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 4), 0);
- src5 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 5), 0);
- src6 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 6), 0);
- src7 = (v16u8)__msa_ld_b((v16i8*)(src + src_stride * 7), 0);
- vec0 = (v16u8)__msa_ilvr_b((v16i8)src1, (v16i8)src0);
- vec1 = (v16u8)__msa_ilvr_b((v16i8)src3, (v16i8)src2);
- vec2 = (v16u8)__msa_ilvr_b((v16i8)src5, (v16i8)src4);
- vec3 = (v16u8)__msa_ilvr_b((v16i8)src7, (v16i8)src6);
- vec4 = (v16u8)__msa_ilvl_b((v16i8)src1, (v16i8)src0);
- vec5 = (v16u8)__msa_ilvl_b((v16i8)src3, (v16i8)src2);
- vec6 = (v16u8)__msa_ilvl_b((v16i8)src5, (v16i8)src4);
- vec7 = (v16u8)__msa_ilvl_b((v16i8)src7, (v16i8)src6);
- reg0 = (v16u8)__msa_ilvr_h((v8i16)vec1, (v8i16)vec0);
- reg1 = (v16u8)__msa_ilvr_h((v8i16)vec3, (v8i16)vec2);
- reg2 = (v16u8)__msa_ilvl_h((v8i16)vec1, (v8i16)vec0);
- reg3 = (v16u8)__msa_ilvl_h((v8i16)vec3, (v8i16)vec2);
- reg4 = (v16u8)__msa_ilvr_h((v8i16)vec5, (v8i16)vec4);
- reg5 = (v16u8)__msa_ilvr_h((v8i16)vec7, (v8i16)vec6);
- reg6 = (v16u8)__msa_ilvl_h((v8i16)vec5, (v8i16)vec5);
- reg7 = (v16u8)__msa_ilvl_h((v8i16)vec7, (v8i16)vec6);
- dst0 = (v16u8)__msa_ilvr_w((v4i32)reg1, (v4i32)reg0);
- dst1 = (v16u8)__msa_ilvl_w((v4i32)reg1, (v4i32)reg0);
- dst2 = (v16u8)__msa_ilvr_w((v4i32)reg3, (v4i32)reg2);
- dst3 = (v16u8)__msa_ilvl_w((v4i32)reg3, (v4i32)reg2);
- dst4 = (v16u8)__msa_ilvr_w((v4i32)reg5, (v4i32)reg4);
- dst5 = (v16u8)__msa_ilvl_w((v4i32)reg5, (v4i32)reg4);
- dst6 = (v16u8)__msa_ilvr_w((v4i32)reg7, (v4i32)reg6);
- dst7 = (v16u8)__msa_ilvl_w((v4i32)reg7, (v4i32)reg6);
- val0 = __msa_copy_s_d((v2i64)dst0, 0);
- val1 = __msa_copy_s_d((v2i64)dst0, 1);
- val2 = __msa_copy_s_d((v2i64)dst1, 0);
- val3 = __msa_copy_s_d((v2i64)dst1, 1);
- SD(val0, dst_a);
- SD(val2, dst_a + dst_stride_a);
- SD(val1, dst_b);
- SD(val3, dst_b + dst_stride_b);
+ s = src;
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg0, reg1, reg2, reg3);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg4, reg5, reg6, reg7);
+ ILVRL_W(reg0, reg4, reg1, reg5, res0, res1, res2, res3);
+ ILVRL_W(reg2, reg6, reg3, reg7, res4, res5, res6, res7);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg0, reg1, reg2, reg3);
+ src0 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src1 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src2 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ src3 = (v16u8)__msa_ld_b((v16i8*)s, 0);
+ s += src_stride;
+ ILVRL_B(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+ ILVRL_H(vec0, vec2, vec1, vec3, reg4, reg5, reg6, reg7);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg4, (v4i32)reg0);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg4, (v4i32)reg0);
+ ILVRL_D(res0, res8, res1, res9, dst0, dst1, dst2, dst3);
+ ST_UB2(dst0, dst2, dst_a, dst_stride_a);
+ ST_UB2(dst1, dst3, dst_b, dst_stride_b);
dst_a += dst_stride_a * 2;
dst_b += dst_stride_b * 2;
- val0 = __msa_copy_s_d((v2i64)dst2, 0);
- val1 = __msa_copy_s_d((v2i64)dst2, 1);
- val2 = __msa_copy_s_d((v2i64)dst3, 0);
- val3 = __msa_copy_s_d((v2i64)dst3, 1);
- SD(val0, dst_a);
- SD(val2, dst_a + dst_stride_a);
- SD(val1, dst_b);
- SD(val3, dst_b + dst_stride_b);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg5, (v4i32)reg1);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg5, (v4i32)reg1);
+ ILVRL_D(res2, res8, res3, res9, dst0, dst1, dst2, dst3);
+ ST_UB2(dst0, dst2, dst_a, dst_stride_a);
+ ST_UB2(dst1, dst3, dst_b, dst_stride_b);
dst_a += dst_stride_a * 2;
dst_b += dst_stride_b * 2;
- val0 = __msa_copy_s_d((v2i64)dst4, 0);
- val1 = __msa_copy_s_d((v2i64)dst4, 1);
- val2 = __msa_copy_s_d((v2i64)dst5, 0);
- val3 = __msa_copy_s_d((v2i64)dst5, 1);
- SD(val0, dst_a);
- SD(val2, dst_a + dst_stride_a);
- SD(val1, dst_b);
- SD(val3, dst_b + dst_stride_b);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg6, (v4i32)reg2);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg6, (v4i32)reg2);
+ ILVRL_D(res4, res8, res5, res9, dst0, dst1, dst2, dst3);
+ ST_UB2(dst0, dst2, dst_a, dst_stride_a);
+ ST_UB2(dst1, dst3, dst_b, dst_stride_b);
dst_a += dst_stride_a * 2;
dst_b += dst_stride_b * 2;
- val0 = __msa_copy_s_d((v2i64)dst6, 0);
- val1 = __msa_copy_s_d((v2i64)dst6, 1);
- val2 = __msa_copy_s_d((v2i64)dst7, 0);
- val3 = __msa_copy_s_d((v2i64)dst7, 1);
- SD(val0, dst_a);
- SD(val2, dst_a + dst_stride_a);
- SD(val1, dst_b);
- SD(val3, dst_b + dst_stride_b);
+ res8 = (v16u8)__msa_ilvr_w((v4i32)reg7, (v4i32)reg3);
+ res9 = (v16u8)__msa_ilvl_w((v4i32)reg7, (v4i32)reg3);
+ ILVRL_D(res6, res8, res7, res9, dst0, dst1, dst2, dst3);
+ ST_UB2(dst0, dst2, dst_a, dst_stride_a);
+ ST_UB2(dst1, dst3, dst_b, dst_stride_b);
+ src += 16;
dst_a += dst_stride_a * 2;
dst_b += dst_stride_b * 2;
- src += 16;
}
}
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