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Optimize sad_64width_x4d_msa function

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Reduced HADD_UH_U32 macro calls

Change-Id: Ie089b9a443de516646b46e8f72156aa826ca8cfa
This commit is contained in:
Kaustubh Raste 2016-10-10 16:15:06 +05:30
parent 8b5eddf709
commit b7310e2aff
2 changed files with 42 additions and 19 deletions
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37
vpx_dsp/mips/macros_msa.h
View File

@ -909,27 +909,42 @@
sum_m; \
})
/* Description : Horizontal addition of 8 unsigned halfword elements
Arguments : Inputs - in (unsigned halfword vector)
Outputs - sum_m (u32 sum)
Return Type - unsigned word
Details : 8 unsigned halfword elements of input vector are added
together and the resulting integer sum is returned
/* Description : Horizontal addition of 4 unsigned word elements
Arguments : Input - in (unsigned word vector)
Output - sum_m (u32 sum)
Return Type - unsigned word (GP)
Details : 4 unsigned word elements of 'in' vector are added together and
the resulting integer sum is returned
*/
#define HADD_UH_U32(in) \
#define HADD_UW_U32(in) \
({ \
v4u32 res_m; \
v2u64 res0_m, res1_m; \
uint32_t sum_m; \
\
res_m = __msa_hadd_u_w((v8u16)in, (v8u16)in); \
res0_m = __msa_hadd_u_d(res_m, res_m); \
res0_m = __msa_hadd_u_d((v4u32)in, (v4u32)in); \
res1_m = (v2u64)__msa_splati_d((v2i64)res0_m, 1); \
res0_m = res0_m + res1_m; \
res0_m += res1_m; \
sum_m = __msa_copy_u_w((v4i32)res0_m, 0); \
sum_m; \
})
/* Description : Horizontal addition of 8 unsigned halfword elements
Arguments : Input - in (unsigned halfword vector)
Output - sum_m (u32 sum)
Return Type - unsigned word
Details : 8 unsigned halfword elements of 'in' vector are added
together and the resulting integer sum is returned
*/
#define HADD_UH_U32(in) \
({ \
v4u32 res_m; \
uint32_t sum_m; \
\
res_m = __msa_hadd_u_w((v8u16)in, (v8u16)in); \
sum_m = HADD_UW_U32(res_m); \
sum_m; \
})
/* Description : Horizontal addition of unsigned byte vector elements
Arguments : Inputs - in0, in1
Outputs - out0, out1

24
vpx_dsp/mips/sad_msa.c
View File

@ -1030,6 +1030,7 @@ static void sad_64width_x4d_msa(const uint8_t *src, int32_t src_stride,
v8u16 sad2_1 = { 0 };
v8u16 sad3_0 = { 0 };
v8u16 sad3_1 = { 0 };
v4u32 sad;
ref0_ptr = aref_ptr[0];
ref1_ptr = aref_ptr[1];
@ -1061,14 +1062,21 @@ static void sad_64width_x4d_msa(const uint8_t *src, int32_t src_stride,
sad3_1 += SAD_UB2_UH(src2, src3, ref2, ref3);
}
sad_array[0] = HADD_UH_U32(sad0_0);
sad_array[0] += HADD_UH_U32(sad0_1);
sad_array[1] = HADD_UH_U32(sad1_0);
sad_array[1] += HADD_UH_U32(sad1_1);
sad_array[2] = HADD_UH_U32(sad2_0);
sad_array[2] += HADD_UH_U32(sad2_1);
sad_array[3] = HADD_UH_U32(sad3_0);
sad_array[3] += HADD_UH_U32(sad3_1);
sad = __msa_hadd_u_w(sad0_0, sad0_0);
sad += __msa_hadd_u_w(sad0_1, sad0_1);
sad_array[0] = HADD_UW_U32(sad);
sad = __msa_hadd_u_w(sad1_0, sad1_0);
sad += __msa_hadd_u_w(sad1_1, sad1_1);
sad_array[1] = HADD_UW_U32(sad);
sad = __msa_hadd_u_w(sad2_0, sad2_0);
sad += __msa_hadd_u_w(sad2_1, sad2_1);
sad_array[2] = HADD_UW_U32(sad);
sad = __msa_hadd_u_w(sad3_0, sad3_0);
sad += __msa_hadd_u_w(sad3_1, sad3_1);
sad_array[3] = HADD_UW_U32(sad);
}
static uint32_t avgsad_4width_msa(const uint8_t *src_ptr, int32_t src_stride,