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MIPS: dspr2: added optimization for function ClampedAddSubtractHalf

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Change-Id: Iec22e897a4f56e79c18ec00f8caa9cefac67f186
This commit is contained in:
Djordje Pesut
2014-10-10 10:35:43 +02:00
parent 829a8c19a0
commit 18d5a1efa8
3 changed files with 44 additions and 29 deletions
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17
src/dsp/dec_mips_dsp_r2.c
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@ -65,13 +65,6 @@ static const int kC2 = 35468;
"ulw %["#O2"], 64(%[dst]) \n\t" \
"ulw %["#O3"], 96(%[dst]) \n\t"
// O - output
// I - input (macro doesn't change it)
#define ADD_SUB_HALVES(O0, O1, \
I0, I1) \
"addq.ph %["#O0"], %["#I0"], %["#I1"] \n\t" \
"subq.ph %["#O1"], %["#I0"], %["#I1"] \n\t"
static void TransformDC(const int16_t* in, uint8_t* dst) {
int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10;
@ -517,17 +510,7 @@ static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
}
#undef OUTPUT_EARLY_CLOBBER_REGS_18
#undef OUTPUT_EARLY_CLOBBER_REGS_10
#undef INSERT_HALF_X2
#undef SRA_16
#undef LOAD_IN_X2
#undef ADD_SUB_HALVES
#undef MUL_SHIFT_SUM
#undef PACK_2_HALVES_TO_WORD
#undef LOAD_DST
#undef CONVERT_2_BYTES_TO_HALF
#undef SHIFT_R_SUM_X2
#undef STORE_SAT_SUM_X2
#undef MUL