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MIPS: MIPS32r1: Added optimizations for SSE functions.

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Change-Id: I1287fa65064192cc2edc5c4be2b1974be665b9b4
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Slobodan Prijic 2014-03-07 14:52:45 +01:00 committed by Slobodan Prijic
parent c503b485b6
commit 3fe0291530
1 changed files with 133 additions and 0 deletions
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133
src/dsp/enc_mips32.c
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@ -11,6 +11,7 @@
//
// Author(s): Djordje Pesut (djordje.pesut@imgtec.com)
// Jovan Zelincevic (jovan.zelincevic@imgtec.com)
// Slobodan Prijic (slobodan.prijic@imgtec.com)
#include "./dsp.h"
@ -618,6 +619,134 @@ int VP8GetResidualCostMIPS32(int ctx0, const VP8Residual* const res) {
return cost;
}
#define GET_SSE_INNER(A, B, C, D) \
"lbu %[temp0], "#A"(%[a]) \n\t" \
"lbu %[temp1], "#A"(%[b]) \n\t" \
"lbu %[temp2], "#B"(%[a]) \n\t" \
"lbu %[temp3], "#B"(%[b]) \n\t" \
"lbu %[temp4], "#C"(%[a]) \n\t" \
"lbu %[temp5], "#C"(%[b]) \n\t" \
"lbu %[temp6], "#D"(%[a]) \n\t" \
"lbu %[temp7], "#D"(%[b]) \n\t" \
"subu %[temp0], %[temp0], %[temp1] \n\t" \
"subu %[temp2], %[temp2], %[temp3] \n\t" \
"subu %[temp4], %[temp4], %[temp5] \n\t" \
"subu %[temp6], %[temp6], %[temp7] \n\t" \
"madd %[temp0], %[temp0] \n\t" \
"madd %[temp2], %[temp2] \n\t" \
"madd %[temp4], %[temp4] \n\t" \
"madd %[temp6], %[temp6] \n\t"
#define GET_SSE(A, B, C, D) \
GET_SSE_INNER(A, A + 1, A + 2, A + 3) \
GET_SSE_INNER(B, B + 1, B + 2, B + 3) \
GET_SSE_INNER(C, C + 1, C + 2, C + 3) \
GET_SSE_INNER(D, D + 1, D + 2, D + 3)
static int SSE16x16MIPS32(const uint8_t* a, const uint8_t* b) {
int count;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
__asm__ volatile(
"mult $zero, $zero \n\t"
GET_SSE( 0, 4, 8, 12)
GET_SSE( 16, 20, 24, 28)
GET_SSE( 32, 36, 40, 44)
GET_SSE( 48, 52, 56, 60)
GET_SSE( 64, 68, 72, 76)
GET_SSE( 80, 84, 88, 92)
GET_SSE( 96, 100, 104, 108)
GET_SSE(112, 116, 120, 124)
GET_SSE(128, 132, 136, 140)
GET_SSE(144, 148, 152, 156)
GET_SSE(160, 164, 168, 172)
GET_SSE(176, 180, 184, 188)
GET_SSE(192, 196, 200, 204)
GET_SSE(208, 212, 216, 220)
GET_SSE(224, 228, 232, 236)
GET_SSE(240, 244, 248, 252)
"mflo %[count] \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count)
: [a]"r"(a), [b]"r"(b)
: "memory", "hi" , "lo"
);
return count;
}
static int SSE16x8MIPS32(const uint8_t* a, const uint8_t* b) {
int count;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
__asm__ volatile(
"mult $zero, $zero \n\t"
GET_SSE( 0, 4, 8, 12)
GET_SSE( 16, 20, 24, 28)
GET_SSE( 32, 36, 40, 44)
GET_SSE( 48, 52, 56, 60)
GET_SSE( 64, 68, 72, 76)
GET_SSE( 80, 84, 88, 92)
GET_SSE( 96, 100, 104, 108)
GET_SSE(112, 116, 120, 124)
"mflo %[count] \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count)
: [a]"r"(a), [b]"r"(b)
: "memory", "hi" , "lo"
);
return count;
}
static int SSE8x8MIPS32(const uint8_t* a, const uint8_t* b) {
int count;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
__asm__ volatile(
"mult $zero, $zero \n\t"
GET_SSE( 0, 4, 16, 20)
GET_SSE(32, 36, 48, 52)
GET_SSE(64, 68, 80, 84)
GET_SSE(96, 100, 112, 116)
"mflo %[count] \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count)
: [a]"r"(a), [b]"r"(b)
: "memory", "hi" , "lo"
);
return count;
}
static int SSE4x4MIPS32(const uint8_t* a, const uint8_t* b) {
int count;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
__asm__ volatile(
"mult $zero, $zero \n\t"
GET_SSE(0, 16, 32, 48)
"mflo %[count] \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count)
: [a]"r"(a), [b]"r"(b)
: "memory", "hi" , "lo"
);
return count;
}
#undef GET_SSE_MIPS32
#undef GET_SSE_MIPS32_INNER
#endif // WEBP_USE_MIPS32
//------------------------------------------------------------------------------
@ -632,5 +761,9 @@ void VP8EncDspInitMIPS32(void) {
VP8TDisto4x4 = Disto4x4MIPS32;
VP8TDisto16x16 = Disto16x16MIPS32;
VP8FTransform = FTransformMIPS32;
VP8SSE16x16 = SSE16x16MIPS32;
VP8SSE8x8 = SSE8x8MIPS32;
VP8SSE16x8 = SSE16x8MIPS32;
VP8SSE4x4 = SSE4x4MIPS32;
#endif // WEBP_USE_MIPS32
}