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Add MSA optimized distortion functions

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We add the following MSA optimized distortion functions:
- Disto4x4
- Disto16x16

Change-Id: I0a545ed0182ea56a0d5f358639f6671c2c21b95c
This commit is contained in:
Parag Salasakar
2016-07-07 12:10:41 +05:30
committed by Pascal Massimino
parent bfef6c9f82
commit 7915396f40
2 changed files with 87 additions and 0 deletions
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32
src/dsp/msa_macro.h
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@ -393,6 +393,22 @@
} while (0)
#define DOTP_SB2_SH(...) DOTP_SB2(v8i16, __VA_ARGS__)
/* Description : Dot product of halfword vector elements
* Arguments : Inputs - mult0, mult1, cnst0, cnst1
* Outputs - out0, out1
* Return Type - as per RTYPE
* Details : Signed halfword elements from 'mult0' are multiplied with
* signed halfword elements from 'cnst0' producing a result
* twice the size of input i.e. signed word.
* The multiplication result of adjacent odd-even elements
* are added together and written to the 'out0' vector
*/
#define DOTP_SH2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) do { \
out0 = (RTYPE)__msa_dotp_s_w((v8i16)mult0, (v8i16)cnst0); \
out1 = (RTYPE)__msa_dotp_s_w((v8i16)mult1, (v8i16)cnst1); \
} while (0)
#define DOTP_SH2_SW(...) DOTP_SH2(v4i32, __VA_ARGS__)
/* Description : Dot product & addition of halfword vector elements
* Arguments : Inputs - mult0, mult1, cnst0, cnst1
* Outputs - out0, out1
@ -448,6 +464,22 @@
CLIP_SW_0_255(in3); \
} while (0)
/* Description : Horizontal addition of 4 signed word elements of input vector
* Arguments : Input - in (signed word vector)
* Output - sum_m (i32 sum)
* Return Type - signed word (GP)
* Details : 4 signed word elements of 'in' vector are added together and
* the resulting integer sum is returned
*/
static WEBP_INLINE int32_t func_hadd_sw_s32(v4i32 in) {
const v2i64 res0_m = __msa_hadd_s_d((v4i32)in, (v4i32)in);
const v2i64 res1_m = __msa_splati_d(res0_m, 1);
const v2i64 out = res0_m + res1_m;
int32_t sum_m = __msa_copy_s_w((v4i32)out, 0);
return sum_m;
}
#define HADD_SW_S32(in) func_hadd_sw_s32(in)
/* Description : Horizontal addition of 8 unsigned halfword elements
* Arguments : Input - in (unsigned halfword vector)
* Output - sum_m (u32 sum)