| // Copyright 2014 Google Inc. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the COPYING file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| // ----------------------------------------------------------------------------- |
| // |
| // MIPS version of speed-critical encoding functions. |
| // |
| // Author(s): Djordje Pesut (djordje.pesut@imgtec.com) |
| // Jovan Zelincevic (jovan.zelincevic@imgtec.com) |
| // Slobodan Prijic (slobodan.prijic@imgtec.com) |
| |
| #include "src/dsp/dsp.h" |
| |
| #if defined(WEBP_USE_MIPS32) |
| |
| #include "src/dsp/mips_macro.h" |
| #include "src/enc/vp8i_enc.h" |
| #include "src/enc/cost_enc.h" |
| |
| static const int kC1 = 20091 + (1 << 16); |
| static const int kC2 = 35468; |
| |
| // macro for one vertical pass in ITransformOne |
| // MUL macro inlined |
| // temp0..temp15 holds tmp[0]..tmp[15] |
| // A..D - offsets in bytes to load from in buffer |
| // TEMP0..TEMP3 - registers for corresponding tmp elements |
| // TEMP4..TEMP5 - temporary registers |
| #define VERTICAL_PASS(A, B, C, D, TEMP4, TEMP0, TEMP1, TEMP2, TEMP3) \ |
| "lh %[temp16], " #A "(%[temp20]) \n\t" \ |
| "lh %[temp18], " #B "(%[temp20]) \n\t" \ |
| "lh %[temp17], " #C "(%[temp20]) \n\t" \ |
| "lh %[temp19], " #D "(%[temp20]) \n\t" \ |
| "addu %[" #TEMP4 "], %[temp16], %[temp18] \n\t" \ |
| "subu %[temp16], %[temp16], %[temp18] \n\t" \ |
| "mul %[" #TEMP0 "], %[temp17], %[kC2] \n\t" \ |
| "mul %[temp18], %[temp19], %[kC1] \n\t" \ |
| "mul %[temp17], %[temp17], %[kC1] \n\t" \ |
| "mul %[temp19], %[temp19], %[kC2] \n\t" \ |
| "sra %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\n" \ |
| "sra %[temp18], %[temp18], 16 \n\n" \ |
| "sra %[temp17], %[temp17], 16 \n\n" \ |
| "sra %[temp19], %[temp19], 16 \n\n" \ |
| "subu %[" #TEMP2 "], %[" #TEMP0 "], %[temp18] \n\t" \ |
| "addu %[" #TEMP3 "], %[temp17], %[temp19] \n\t" \ |
| "addu %[" #TEMP0 "], %[" #TEMP4 "], %[" #TEMP3 "] \n\t" \ |
| "addu %[" #TEMP1 "], %[temp16], %[" #TEMP2 "] \n\t" \ |
| "subu %[" #TEMP2 "], %[temp16], %[" #TEMP2 "] \n\t" \ |
| "subu %[" #TEMP3 "], %[" #TEMP4 "], %[" #TEMP3 "] \n\t" |
| |
| // macro for one horizontal pass in ITransformOne |
| // MUL and STORE macros inlined |
| // a = clip_8b(a) is replaced with: a = max(a, 0); a = min(a, 255) |
| // temp0..temp15 holds tmp[0]..tmp[15] |
| // A - offset in bytes to load from ref and store to dst buffer |
| // TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements |
| #define HORIZONTAL_PASS(A, TEMP0, TEMP4, TEMP8, TEMP12) \ |
| "addiu %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \ |
| "addu %[temp16], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ |
| "subu %[temp17], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ |
| "mul %[" #TEMP0 "], %[" #TEMP4 "], %[kC2] \n\t" \ |
| "mul %[" #TEMP8 "], %[" #TEMP12 "], %[kC1] \n\t" \ |
| "mul %[" #TEMP4 "], %[" #TEMP4 "], %[kC1] \n\t" \ |
| "mul %[" #TEMP12 "], %[" #TEMP12 "], %[kC2] \n\t" \ |
| "sra %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\t" \ |
| "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \ |
| "sra %[" #TEMP4 "], %[" #TEMP4 "], 16 \n\t" \ |
| "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \ |
| "subu %[temp18], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ |
| "addu %[temp19], %[" #TEMP4 "], %[" #TEMP12 "] \n\t" \ |
| "addu %[" #TEMP0 "], %[temp16], %[temp19] \n\t" \ |
| "addu %[" #TEMP4 "], %[temp17], %[temp18] \n\t" \ |
| "subu %[" #TEMP8 "], %[temp17], %[temp18] \n\t" \ |
| "subu %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \ |
| "lw %[temp20], 0(%[args]) \n\t" \ |
| "sra %[" #TEMP0 "], %[" #TEMP0 "], 3 \n\t" \ |
| "sra %[" #TEMP4 "], %[" #TEMP4 "], 3 \n\t" \ |
| "sra %[" #TEMP8 "], %[" #TEMP8 "], 3 \n\t" \ |
| "sra %[" #TEMP12 "], %[" #TEMP12 "], 3 \n\t" \ |
| "lbu %[temp16], 0+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ |
| "lbu %[temp17], 1+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ |
| "lbu %[temp18], 2+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ |
| "lbu %[temp19], 3+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ |
| "addu %[" #TEMP0 "], %[temp16], %[" #TEMP0 "] \n\t" \ |
| "addu %[" #TEMP4 "], %[temp17], %[" #TEMP4 "] \n\t" \ |
| "addu %[" #TEMP8 "], %[temp18], %[" #TEMP8 "] \n\t" \ |
| "addu %[" #TEMP12 "], %[temp19], %[" #TEMP12 "] \n\t" \ |
| "slt %[temp16], %[" #TEMP0 "], $zero \n\t" \ |
| "slt %[temp17], %[" #TEMP4 "], $zero \n\t" \ |
| "slt %[temp18], %[" #TEMP8 "], $zero \n\t" \ |
| "slt %[temp19], %[" #TEMP12 "], $zero \n\t" \ |
| "movn %[" #TEMP0 "], $zero, %[temp16] \n\t" \ |
| "movn %[" #TEMP4 "], $zero, %[temp17] \n\t" \ |
| "movn %[" #TEMP8 "], $zero, %[temp18] \n\t" \ |
| "movn %[" #TEMP12 "], $zero, %[temp19] \n\t" \ |
| "addiu %[temp20], $zero, 255 \n\t" \ |
| "slt %[temp16], %[" #TEMP0 "], %[temp20] \n\t" \ |
| "slt %[temp17], %[" #TEMP4 "], %[temp20] \n\t" \ |
| "slt %[temp18], %[" #TEMP8 "], %[temp20] \n\t" \ |
| "slt %[temp19], %[" #TEMP12 "], %[temp20] \n\t" \ |
| "movz %[" #TEMP0 "], %[temp20], %[temp16] \n\t" \ |
| "movz %[" #TEMP4 "], %[temp20], %[temp17] \n\t" \ |
| "lw %[temp16], 8(%[args]) \n\t" \ |
| "movz %[" #TEMP8 "], %[temp20], %[temp18] \n\t" \ |
| "movz %[" #TEMP12 "], %[temp20], %[temp19] \n\t" \ |
| "sb %[" #TEMP0 "], 0+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ |
| "sb %[" #TEMP4 "], 1+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ |
| "sb %[" #TEMP8 "], 2+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ |
| "sb %[" #TEMP12 "], 3+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" |
| |
| // Does one or two inverse transforms. |
| static WEBP_INLINE void ITransformOne_MIPS32(const uint8_t* ref, |
| const int16_t* in, |
| uint8_t* dst) { |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6; |
| int temp7, temp8, temp9, temp10, temp11, temp12, temp13; |
| int temp14, temp15, temp16, temp17, temp18, temp19, temp20; |
| const int* args[3] = {(const int*)ref, (const int*)in, (const int*)dst}; |
| |
| __asm__ volatile( |
| "lw %[temp20], 4(%[args]) \n\t" |
| VERTICAL_PASS(0, 16, 8, 24, temp4, temp0, temp1, temp2, temp3) |
| VERTICAL_PASS(2, 18, 10, 26, temp8, temp4, temp5, temp6, temp7) |
| VERTICAL_PASS(4, 20, 12, 28, temp12, temp8, temp9, temp10, temp11) |
| VERTICAL_PASS(6, 22, 14, 30, temp20, temp12, temp13, temp14, temp15) |
| |
| HORIZONTAL_PASS(0, temp0, temp4, temp8, temp12) |
| HORIZONTAL_PASS(1, temp1, temp5, temp9, temp13) |
| HORIZONTAL_PASS(2, temp2, temp6, temp10, temp14) |
| HORIZONTAL_PASS(3, temp3, temp7, temp11, temp15) |
| |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), |
| [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), |
| [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), |
| [temp18]"=&r"(temp18), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20) |
| : [args]"r"(args), [kC1]"r"(kC1), [kC2]"r"(kC2) |
| : "memory", "hi", "lo" |
| ); |
| } |
| |
| static void ITransform_MIPS32(const uint8_t* ref, const int16_t* in, |
| uint8_t* dst, int do_two) { |
| ITransformOne_MIPS32(ref, in, dst); |
| if (do_two) { |
| ITransformOne_MIPS32(ref + 4, in + 16, dst + 4); |
| } |
| } |
| |
| #undef VERTICAL_PASS |
| #undef HORIZONTAL_PASS |
| |
| // macro for one pass through for loop in QuantizeBlock |
| // QUANTDIV macro inlined |
| // J - offset in bytes (kZigzag[n] * 2) |
| // K - offset in bytes (kZigzag[n] * 4) |
| // N - offset in bytes (n * 2) |
| #define QUANTIZE_ONE(J, K, N) \ |
| "lh %[temp0], " #J "(%[ppin]) \n\t" \ |
| "lhu %[temp1], " #J "(%[ppsharpen]) \n\t" \ |
| "lw %[temp2], " #K "(%[ppzthresh]) \n\t" \ |
| "sra %[sign], %[temp0], 15 \n\t" \ |
| "xor %[coeff], %[temp0], %[sign] \n\t" \ |
| "subu %[coeff], %[coeff], %[sign] \n\t" \ |
| "addu %[coeff], %[coeff], %[temp1] \n\t" \ |
| "slt %[temp4], %[temp2], %[coeff] \n\t" \ |
| "addiu %[temp5], $zero, 0 \n\t" \ |
| "addiu %[level], $zero, 0 \n\t" \ |
| "beqz %[temp4], 2f \n\t" \ |
| "lhu %[temp1], " #J "(%[ppiq]) \n\t" \ |
| "lw %[temp2], " #K "(%[ppbias]) \n\t" \ |
| "lhu %[temp3], " #J "(%[ppq]) \n\t" \ |
| "mul %[level], %[coeff], %[temp1] \n\t" \ |
| "addu %[level], %[level], %[temp2] \n\t" \ |
| "sra %[level], %[level], 17 \n\t" \ |
| "slt %[temp4], %[max_level], %[level] \n\t" \ |
| "movn %[level], %[max_level], %[temp4] \n\t" \ |
| "xor %[level], %[level], %[sign] \n\t" \ |
| "subu %[level], %[level], %[sign] \n\t" \ |
| "mul %[temp5], %[level], %[temp3] \n\t" \ |
| "2: \n\t" \ |
| "sh %[temp5], " #J "(%[ppin]) \n\t" \ |
| "sh %[level], " #N "(%[pout]) \n\t" |
| |
| static int QuantizeBlock_MIPS32(int16_t in[16], int16_t out[16], |
| const VP8Matrix* const mtx) { |
| int temp0, temp1, temp2, temp3, temp4, temp5; |
| int sign, coeff, level, i; |
| int max_level = MAX_LEVEL; |
| |
| int16_t* ppin = &in[0]; |
| int16_t* pout = &out[0]; |
| const uint16_t* ppsharpen = &mtx->sharpen_[0]; |
| const uint32_t* ppzthresh = &mtx->zthresh_[0]; |
| const uint16_t* ppq = &mtx->q_[0]; |
| const uint16_t* ppiq = &mtx->iq_[0]; |
| const uint32_t* ppbias = &mtx->bias_[0]; |
| |
| __asm__ volatile( |
| QUANTIZE_ONE( 0, 0, 0) |
| QUANTIZE_ONE( 2, 4, 2) |
| QUANTIZE_ONE( 8, 16, 4) |
| QUANTIZE_ONE(16, 32, 6) |
| QUANTIZE_ONE(10, 20, 8) |
| QUANTIZE_ONE( 4, 8, 10) |
| QUANTIZE_ONE( 6, 12, 12) |
| QUANTIZE_ONE(12, 24, 14) |
| QUANTIZE_ONE(18, 36, 16) |
| QUANTIZE_ONE(24, 48, 18) |
| QUANTIZE_ONE(26, 52, 20) |
| QUANTIZE_ONE(20, 40, 22) |
| QUANTIZE_ONE(14, 28, 24) |
| QUANTIZE_ONE(22, 44, 26) |
| QUANTIZE_ONE(28, 56, 28) |
| QUANTIZE_ONE(30, 60, 30) |
| |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
| [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
| [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [sign]"=&r"(sign), [coeff]"=&r"(coeff), |
| [level]"=&r"(level) |
| : [pout]"r"(pout), [ppin]"r"(ppin), |
| [ppiq]"r"(ppiq), [max_level]"r"(max_level), |
| [ppbias]"r"(ppbias), [ppzthresh]"r"(ppzthresh), |
| [ppsharpen]"r"(ppsharpen), [ppq]"r"(ppq) |
| : "memory", "hi", "lo" |
| ); |
| |
| // moved out from macro to increase possibility for earlier breaking |
| for (i = 15; i >= 0; i--) { |
| if (out[i]) return 1; |
| } |
| return 0; |
| } |
| |
| static int Quantize2Blocks_MIPS32(int16_t in[32], int16_t out[32], |
| const VP8Matrix* const mtx) { |
| int nz; |
| nz = QuantizeBlock_MIPS32(in + 0 * 16, out + 0 * 16, mtx) << 0; |
| nz |= QuantizeBlock_MIPS32(in + 1 * 16, out + 1 * 16, mtx) << 1; |
| return nz; |
| } |
| |
| #undef QUANTIZE_ONE |
| |
| // macro for one horizontal pass in Disto4x4 (TTransform) |
| // two calls of function TTransform are merged into single one |
| // A - offset in bytes to load from a and b buffers |
| // E..H - offsets in bytes to store first results to tmp buffer |
| // E1..H1 - offsets in bytes to store second results to tmp buffer |
| #define HORIZONTAL_PASS(A, E, F, G, H, E1, F1, G1, H1) \ |
| "lbu %[temp0], 0+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ |
| "lbu %[temp1], 1+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ |
| "lbu %[temp2], 2+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ |
| "lbu %[temp3], 3+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ |
| "lbu %[temp4], 0+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ |
| "lbu %[temp5], 1+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ |
| "lbu %[temp6], 2+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ |
| "lbu %[temp7], 3+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ |
| "addu %[temp8], %[temp0], %[temp2] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp2] \n\t" \ |
| "addu %[temp2], %[temp1], %[temp3] \n\t" \ |
| "subu %[temp1], %[temp1], %[temp3] \n\t" \ |
| "addu %[temp3], %[temp4], %[temp6] \n\t" \ |
| "subu %[temp4], %[temp4], %[temp6] \n\t" \ |
| "addu %[temp6], %[temp5], %[temp7] \n\t" \ |
| "subu %[temp5], %[temp5], %[temp7] \n\t" \ |
| "addu %[temp7], %[temp8], %[temp2] \n\t" \ |
| "subu %[temp2], %[temp8], %[temp2] \n\t" \ |
| "addu %[temp8], %[temp0], %[temp1] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp1] \n\t" \ |
| "addu %[temp1], %[temp3], %[temp6] \n\t" \ |
| "subu %[temp3], %[temp3], %[temp6] \n\t" \ |
| "addu %[temp6], %[temp4], %[temp5] \n\t" \ |
| "subu %[temp4], %[temp4], %[temp5] \n\t" \ |
| "sw %[temp7], " #E "(%[tmp]) \n\t" \ |
| "sw %[temp2], " #H "(%[tmp]) \n\t" \ |
| "sw %[temp8], " #F "(%[tmp]) \n\t" \ |
| "sw %[temp0], " #G "(%[tmp]) \n\t" \ |
| "sw %[temp1], " #E1 "(%[tmp]) \n\t" \ |
| "sw %[temp3], " #H1 "(%[tmp]) \n\t" \ |
| "sw %[temp6], " #F1 "(%[tmp]) \n\t" \ |
| "sw %[temp4], " #G1 "(%[tmp]) \n\t" |
| |
| // macro for one vertical pass in Disto4x4 (TTransform) |
| // two calls of function TTransform are merged into single one |
| // since only one accu is available in mips32r1 instruction set |
| // first is done second call of function TTransform and after |
| // that first one. |
| // const int sum1 = TTransform(a, w); |
| // const int sum2 = TTransform(b, w); |
| // return abs(sum2 - sum1) >> 5; |
| // (sum2 - sum1) is calculated with madds (sub2) and msubs (sub1) |
| // A..D - offsets in bytes to load first results from tmp buffer |
| // A1..D1 - offsets in bytes to load second results from tmp buffer |
| // E..H - offsets in bytes to load from w buffer |
| #define VERTICAL_PASS(A, B, C, D, A1, B1, C1, D1, E, F, G, H) \ |
| "lw %[temp0], " #A1 "(%[tmp]) \n\t" \ |
| "lw %[temp1], " #C1 "(%[tmp]) \n\t" \ |
| "lw %[temp2], " #B1 "(%[tmp]) \n\t" \ |
| "lw %[temp3], " #D1 "(%[tmp]) \n\t" \ |
| "addu %[temp8], %[temp0], %[temp1] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp1] \n\t" \ |
| "addu %[temp1], %[temp2], %[temp3] \n\t" \ |
| "subu %[temp2], %[temp2], %[temp3] \n\t" \ |
| "addu %[temp3], %[temp8], %[temp1] \n\t" \ |
| "subu %[temp8], %[temp8], %[temp1] \n\t" \ |
| "addu %[temp1], %[temp0], %[temp2] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp2] \n\t" \ |
| "sra %[temp4], %[temp3], 31 \n\t" \ |
| "sra %[temp5], %[temp1], 31 \n\t" \ |
| "sra %[temp6], %[temp0], 31 \n\t" \ |
| "sra %[temp7], %[temp8], 31 \n\t" \ |
| "xor %[temp3], %[temp3], %[temp4] \n\t" \ |
| "xor %[temp1], %[temp1], %[temp5] \n\t" \ |
| "xor %[temp0], %[temp0], %[temp6] \n\t" \ |
| "xor %[temp8], %[temp8], %[temp7] \n\t" \ |
| "subu %[temp3], %[temp3], %[temp4] \n\t" \ |
| "subu %[temp1], %[temp1], %[temp5] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp6] \n\t" \ |
| "subu %[temp8], %[temp8], %[temp7] \n\t" \ |
| "lhu %[temp4], " #E "(%[w]) \n\t" \ |
| "lhu %[temp5], " #F "(%[w]) \n\t" \ |
| "lhu %[temp6], " #G "(%[w]) \n\t" \ |
| "lhu %[temp7], " #H "(%[w]) \n\t" \ |
| "madd %[temp4], %[temp3] \n\t" \ |
| "madd %[temp5], %[temp1] \n\t" \ |
| "madd %[temp6], %[temp0] \n\t" \ |
| "madd %[temp7], %[temp8] \n\t" \ |
| "lw %[temp0], " #A "(%[tmp]) \n\t" \ |
| "lw %[temp1], " #C "(%[tmp]) \n\t" \ |
| "lw %[temp2], " #B "(%[tmp]) \n\t" \ |
| "lw %[temp3], " #D "(%[tmp]) \n\t" \ |
| "addu %[temp8], %[temp0], %[temp1] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp1] \n\t" \ |
| "addu %[temp1], %[temp2], %[temp3] \n\t" \ |
| "subu %[temp2], %[temp2], %[temp3] \n\t" \ |
| "addu %[temp3], %[temp8], %[temp1] \n\t" \ |
| "subu %[temp1], %[temp8], %[temp1] \n\t" \ |
| "addu %[temp8], %[temp0], %[temp2] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp2] \n\t" \ |
| "sra %[temp2], %[temp3], 31 \n\t" \ |
| "xor %[temp3], %[temp3], %[temp2] \n\t" \ |
| "subu %[temp3], %[temp3], %[temp2] \n\t" \ |
| "msub %[temp4], %[temp3] \n\t" \ |
| "sra %[temp2], %[temp8], 31 \n\t" \ |
| "sra %[temp3], %[temp0], 31 \n\t" \ |
| "sra %[temp4], %[temp1], 31 \n\t" \ |
| "xor %[temp8], %[temp8], %[temp2] \n\t" \ |
| "xor %[temp0], %[temp0], %[temp3] \n\t" \ |
| "xor %[temp1], %[temp1], %[temp4] \n\t" \ |
| "subu %[temp8], %[temp8], %[temp2] \n\t" \ |
| "subu %[temp0], %[temp0], %[temp3] \n\t" \ |
| "subu %[temp1], %[temp1], %[temp4] \n\t" \ |
| "msub %[temp5], %[temp8] \n\t" \ |
| "msub %[temp6], %[temp0] \n\t" \ |
| "msub %[temp7], %[temp1] \n\t" |
| |
| static int Disto4x4_MIPS32(const uint8_t* const a, const uint8_t* const b, |
| const uint16_t* const w) { |
| int tmp[32]; |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; |
| |
| __asm__ volatile( |
| HORIZONTAL_PASS(0, 0, 4, 8, 12, 64, 68, 72, 76) |
| HORIZONTAL_PASS(1, 16, 20, 24, 28, 80, 84, 88, 92) |
| HORIZONTAL_PASS(2, 32, 36, 40, 44, 96, 100, 104, 108) |
| HORIZONTAL_PASS(3, 48, 52, 56, 60, 112, 116, 120, 124) |
| "mthi $zero \n\t" |
| "mtlo $zero \n\t" |
| VERTICAL_PASS( 0, 16, 32, 48, 64, 80, 96, 112, 0, 8, 16, 24) |
| VERTICAL_PASS( 4, 20, 36, 52, 68, 84, 100, 116, 2, 10, 18, 26) |
| VERTICAL_PASS( 8, 24, 40, 56, 72, 88, 104, 120, 4, 12, 20, 28) |
| VERTICAL_PASS(12, 28, 44, 60, 76, 92, 108, 124, 6, 14, 22, 30) |
| "mflo %[temp0] \n\t" |
| "sra %[temp1], %[temp0], 31 \n\t" |
| "xor %[temp0], %[temp0], %[temp1] \n\t" |
| "subu %[temp0], %[temp0], %[temp1] \n\t" |
| "sra %[temp0], %[temp0], 5 \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), [temp8]"=&r"(temp8) |
| : [a]"r"(a), [b]"r"(b), [w]"r"(w), [tmp]"r"(tmp) |
| : "memory", "hi", "lo" |
| ); |
| |
| return temp0; |
| } |
| |
| #undef VERTICAL_PASS |
| #undef HORIZONTAL_PASS |
| |
| static int Disto16x16_MIPS32(const uint8_t* const a, const uint8_t* const b, |
| const uint16_t* const w) { |
| int D = 0; |
| int x, y; |
| for (y = 0; y < 16 * BPS; y += 4 * BPS) { |
| for (x = 0; x < 16; x += 4) { |
| D += Disto4x4_MIPS32(a + x + y, b + x + y, w); |
| } |
| } |
| return D; |
| } |
| |
| // macro for one horizontal pass in FTransform |
| // temp0..temp15 holds tmp[0]..tmp[15] |
| // A - offset in bytes to load from src and ref buffers |
| // TEMP0..TEMP3 - registers for corresponding tmp elements |
| #define HORIZONTAL_PASS(A, TEMP0, TEMP1, TEMP2, TEMP3) \ |
| "lw %[" #TEMP1 "], 0(%[args]) \n\t" \ |
| "lw %[" #TEMP2 "], 4(%[args]) \n\t" \ |
| "lbu %[temp16], 0+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ |
| "lbu %[temp17], 0+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ |
| "lbu %[temp18], 1+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ |
| "lbu %[temp19], 1+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ |
| "subu %[temp20], %[temp16], %[temp17] \n\t" \ |
| "lbu %[temp16], 2+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ |
| "lbu %[temp17], 2+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ |
| "subu %[" #TEMP0 "], %[temp18], %[temp19] \n\t" \ |
| "lbu %[temp18], 3+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ |
| "lbu %[temp19], 3+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ |
| "subu %[" #TEMP1 "], %[temp16], %[temp17] \n\t" \ |
| "subu %[" #TEMP2 "], %[temp18], %[temp19] \n\t" \ |
| "addu %[" #TEMP3 "], %[temp20], %[" #TEMP2 "] \n\t" \ |
| "subu %[" #TEMP2 "], %[temp20], %[" #TEMP2 "] \n\t" \ |
| "addu %[temp20], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ |
| "subu %[" #TEMP0 "], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ |
| "mul %[temp16], %[" #TEMP2 "], %[c5352] \n\t" \ |
| "mul %[temp17], %[" #TEMP2 "], %[c2217] \n\t" \ |
| "mul %[temp18], %[" #TEMP0 "], %[c5352] \n\t" \ |
| "mul %[temp19], %[" #TEMP0 "], %[c2217] \n\t" \ |
| "addu %[" #TEMP1 "], %[" #TEMP3 "], %[temp20] \n\t" \ |
| "subu %[temp20], %[" #TEMP3 "], %[temp20] \n\t" \ |
| "sll %[" #TEMP0 "], %[" #TEMP1 "], 3 \n\t" \ |
| "sll %[" #TEMP2 "], %[temp20], 3 \n\t" \ |
| "addiu %[temp16], %[temp16], 1812 \n\t" \ |
| "addiu %[temp17], %[temp17], 937 \n\t" \ |
| "addu %[temp16], %[temp16], %[temp19] \n\t" \ |
| "subu %[temp17], %[temp17], %[temp18] \n\t" \ |
| "sra %[" #TEMP1 "], %[temp16], 9 \n\t" \ |
| "sra %[" #TEMP3 "], %[temp17], 9 \n\t" |
| |
| // macro for one vertical pass in FTransform |
| // temp0..temp15 holds tmp[0]..tmp[15] |
| // A..D - offsets in bytes to store to out buffer |
| // TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements |
| #define VERTICAL_PASS(A, B, C, D, TEMP0, TEMP4, TEMP8, TEMP12) \ |
| "addu %[temp16], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ |
| "subu %[temp19], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ |
| "addu %[temp17], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ |
| "subu %[temp18], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ |
| "mul %[" #TEMP8 "], %[temp19], %[c2217] \n\t" \ |
| "mul %[" #TEMP12 "], %[temp18], %[c2217] \n\t" \ |
| "mul %[" #TEMP4 "], %[temp19], %[c5352] \n\t" \ |
| "mul %[temp18], %[temp18], %[c5352] \n\t" \ |
| "addiu %[temp16], %[temp16], 7 \n\t" \ |
| "addu %[" #TEMP0 "], %[temp16], %[temp17] \n\t" \ |
| "sra %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \ |
| "addu %[" #TEMP12 "], %[" #TEMP12 "], %[" #TEMP4 "] \n\t" \ |
| "subu %[" #TEMP4 "], %[temp16], %[temp17] \n\t" \ |
| "sra %[" #TEMP4 "], %[" #TEMP4 "], 4 \n\t" \ |
| "addiu %[" #TEMP8 "], %[" #TEMP8 "], 30000 \n\t" \ |
| "addiu %[" #TEMP12 "], %[" #TEMP12 "], 12000 \n\t" \ |
| "addiu %[" #TEMP8 "], %[" #TEMP8 "], 21000 \n\t" \ |
| "subu %[" #TEMP8 "], %[" #TEMP8 "], %[temp18] \n\t" \ |
| "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \ |
| "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \ |
| "addiu %[temp16], %[" #TEMP12 "], 1 \n\t" \ |
| "movn %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \ |
| "sh %[" #TEMP0 "], " #A "(%[temp20]) \n\t" \ |
| "sh %[" #TEMP4 "], " #C "(%[temp20]) \n\t" \ |
| "sh %[" #TEMP8 "], " #D "(%[temp20]) \n\t" \ |
| "sh %[" #TEMP12 "], " #B "(%[temp20]) \n\t" |
| |
| static void FTransform_MIPS32(const uint8_t* src, const uint8_t* ref, |
| int16_t* out) { |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; |
| int temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16; |
| int temp17, temp18, temp19, temp20; |
| const int c2217 = 2217; |
| const int c5352 = 5352; |
| const int* const args[3] = |
| { (const int*)src, (const int*)ref, (const int*)out }; |
| |
| __asm__ volatile( |
| HORIZONTAL_PASS(0, temp0, temp1, temp2, temp3) |
| HORIZONTAL_PASS(1, temp4, temp5, temp6, temp7) |
| HORIZONTAL_PASS(2, temp8, temp9, temp10, temp11) |
| HORIZONTAL_PASS(3, temp12, temp13, temp14, temp15) |
| "lw %[temp20], 8(%[args]) \n\t" |
| VERTICAL_PASS(0, 8, 16, 24, temp0, temp4, temp8, temp12) |
| VERTICAL_PASS(2, 10, 18, 26, temp1, temp5, temp9, temp13) |
| VERTICAL_PASS(4, 12, 20, 28, temp2, temp6, temp10, temp14) |
| VERTICAL_PASS(6, 14, 22, 30, temp3, temp7, temp11, temp15) |
| |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), |
| [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), |
| [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), |
| [temp18]"=&r"(temp18), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20) |
| : [args]"r"(args), [c2217]"r"(c2217), [c5352]"r"(c5352) |
| : "memory", "hi", "lo" |
| ); |
| } |
| |
| #undef VERTICAL_PASS |
| #undef HORIZONTAL_PASS |
| |
| #if !defined(WORK_AROUND_GCC) |
| |
| #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 SSE16x16_MIPS32(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 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) |
| GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) |
| GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) |
| GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) |
| GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) |
| GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) |
| GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) |
| GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) |
| GET_SSE( 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS) |
| GET_SSE( 9 * BPS, 4 + 9 * BPS, 8 + 9 * BPS, 12 + 9 * BPS) |
| GET_SSE(10 * BPS, 4 + 10 * BPS, 8 + 10 * BPS, 12 + 10 * BPS) |
| GET_SSE(11 * BPS, 4 + 11 * BPS, 8 + 11 * BPS, 12 + 11 * BPS) |
| GET_SSE(12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS) |
| GET_SSE(13 * BPS, 4 + 13 * BPS, 8 + 13 * BPS, 12 + 13 * BPS) |
| GET_SSE(14 * BPS, 4 + 14 * BPS, 8 + 14 * BPS, 12 + 14 * BPS) |
| GET_SSE(15 * BPS, 4 + 15 * BPS, 8 + 15 * BPS, 12 + 15 * BPS) |
| |
| "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 SSE16x8_MIPS32(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 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) |
| GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) |
| GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) |
| GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) |
| GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) |
| GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) |
| GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) |
| GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) |
| |
| "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 SSE8x8_MIPS32(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 * BPS, 4 + 0 * BPS, 1 * BPS, 4 + 1 * BPS) |
| GET_SSE(2 * BPS, 4 + 2 * BPS, 3 * BPS, 4 + 3 * BPS) |
| GET_SSE(4 * BPS, 4 + 4 * BPS, 5 * BPS, 4 + 5 * BPS) |
| GET_SSE(6 * BPS, 4 + 6 * BPS, 7 * BPS, 4 + 7 * BPS) |
| |
| "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 SSE4x4_MIPS32(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 * BPS, 1 * BPS, 2 * BPS, 3 * BPS) |
| |
| "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 |
| #undef GET_SSE_INNER |
| |
| #endif // !WORK_AROUND_GCC |
| |
| //------------------------------------------------------------------------------ |
| // Entry point |
| |
| extern void VP8EncDspInitMIPS32(void); |
| |
| WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPS32(void) { |
| VP8ITransform = ITransform_MIPS32; |
| VP8FTransform = FTransform_MIPS32; |
| |
| VP8EncQuantizeBlock = QuantizeBlock_MIPS32; |
| VP8EncQuantize2Blocks = Quantize2Blocks_MIPS32; |
| |
| VP8TDisto4x4 = Disto4x4_MIPS32; |
| VP8TDisto16x16 = Disto16x16_MIPS32; |
| |
| #if !defined(WORK_AROUND_GCC) |
| VP8SSE16x16 = SSE16x16_MIPS32; |
| VP8SSE8x8 = SSE8x8_MIPS32; |
| VP8SSE16x8 = SSE16x8_MIPS32; |
| VP8SSE4x4 = SSE4x4_MIPS32; |
| #endif |
| } |
| |
| #else // !WEBP_USE_MIPS32 |
| |
| WEBP_DSP_INIT_STUB(VP8EncDspInitMIPS32) |
| |
| #endif // WEBP_USE_MIPS32 |
