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MIPS: dspr2: added optimizaton for functions VE4 and DC4

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Change-Id: I118adc6d3872742d8b1f9dbac438cba6fc90b7a9
This commit is contained in:
Djordje Pesut 2015-02-18 11:25:08 +01:00
parent 17e1986214
commit 94380d00d9
1 changed files with 61 additions and 0 deletions
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61
src/dsp/dec_mips_dsp_r2.c
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@ -612,6 +612,65 @@ static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
}
}
static void VE4(uint8_t* dst) { // vertical
const uint8_t* top = dst - BPS;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6;
__asm__ volatile (
"ulw %[temp0], -1(%[top]) \n\t"
"ulh %[temp1], 3(%[top]) \n\t"
"preceu.ph.qbr %[temp2], %[temp0] \n\t"
"preceu.ph.qbl %[temp3], %[temp0] \n\t"
"preceu.ph.qbr %[temp4], %[temp1] \n\t"
"packrl.ph %[temp5], %[temp3], %[temp2] \n\t"
"packrl.ph %[temp6], %[temp4], %[temp3] \n\t"
"shll.ph %[temp5], %[temp5], 1 \n\t"
"shll.ph %[temp6], %[temp6], 1 \n\t"
"addq.ph %[temp2], %[temp5], %[temp2] \n\t"
"addq.ph %[temp6], %[temp6], %[temp4] \n\t"
"addq.ph %[temp2], %[temp2], %[temp3] \n\t"
"addq.ph %[temp6], %[temp6], %[temp3] \n\t"
"shra_r.ph %[temp2], %[temp2], 2 \n\t"
"shra_r.ph %[temp6], %[temp6], 2 \n\t"
"precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t"
"usw %[temp4], 0*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp4], 1*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp4], 2*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp4], 3*"XSTR(BPS)"(%[dst]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6)
: [top]"r"(top), [dst]"r"(dst)
: "memory"
);
}
static void DC4(uint8_t* dst) { // DC
int temp0, temp1, temp2, temp3, temp4;
__asm__ volatile (
"ulw %[temp0], -1*"XSTR(BPS)"(%[dst]) \n\t"
"lbu %[temp1], -1+0*"XSTR(BPS)"(%[dst]) \n\t"
"lbu %[temp2], -1+1*"XSTR(BPS)"(%[dst]) \n\t"
"lbu %[temp3], -1+2*"XSTR(BPS)"(%[dst]) \n\t"
"lbu %[temp4], -1+3*"XSTR(BPS)"(%[dst]) \n\t"
"ins %[temp1], %[temp2], 8, 8 \n\t"
"ins %[temp1], %[temp3], 16, 8 \n\t"
"ins %[temp1], %[temp4], 24, 8 \n\t"
"raddu.w.qb %[temp0], %[temp0] \n\t"
"raddu.w.qb %[temp1], %[temp1] \n\t"
"addu %[temp0], %[temp0], %[temp1] \n\t"
"shra_r.w %[temp0], %[temp0], 3 \n\t"
"replv.qb %[temp0], %[temp0] \n\t"
"usw %[temp0], 0*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp0], 1*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp0], 2*"XSTR(BPS)"(%[dst]) \n\t"
"usw %[temp0], 3*"XSTR(BPS)"(%[dst]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4)
: [dst]"r"(dst)
: "memory"
);
}
#endif // WEBP_USE_MIPS_DSP_R2
//------------------------------------------------------------------------------
@ -636,5 +695,7 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void) {
VP8SimpleHFilter16 = SimpleHFilter16;
VP8SimpleVFilter16i = SimpleVFilter16i;
VP8SimpleHFilter16i = SimpleHFilter16i;
VP8PredLuma4[0] = DC4;
VP8PredLuma4[2] = VE4;
#endif
}