// 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 dsp functions // // Author(s): Djordje Pesut ([email protected]) // Jovan Zelincevic ([email protected]) #include "src/dsp/dsp.h" #if defined(WEBP_USE_MIPS32) #include "src/dsp/mips_macro.h" static const int kC1 = WEBP_TRANSFORM_AC3_C1; static const int kC2 = WEBP_TRANSFORM_AC3_C2; static WEBP_INLINE int abs_mips32(int x) { const int sign = x >> 31; return (x ^ sign) - sign; } // 4 pixels in, 2 pixels out static WEBP_INLINE void do_filter2(uint8_t* p, int step) { const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1]; const int a1 = VP8ksclip2[(a + 4) >> 3]; const int a2 = VP8ksclip2[(a + 3) >> 3]; p[-step] = VP8kclip1[p0 + a2]; p[ 0] = VP8kclip1[q0 - a1]; } // 4 pixels in, 4 pixels out static WEBP_INLINE void do_filter4(uint8_t* p, int step) { const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; const int a = 3 * (q0 - p0); const int a1 = VP8ksclip2[(a + 4) >> 3]; const int a2 = VP8ksclip2[(a + 3) >> 3]; const int a3 = (a1 + 1) >> 1; p[-2 * step] = VP8kclip1[p1 + a3]; p[- step] = VP8kclip1[p0 + a2]; p[ 0] = VP8kclip1[q0 - a1]; p[ step] = VP8kclip1[q1 - a3]; } // 6 pixels in, 6 pixels out static WEBP_INLINE void do_filter6(uint8_t* p, int step) { const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step]; const int q0 = p[0], q1 = p[step], q2 = p[2 * step]; const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]]; // a is in [-128,127], a1 in [-27,27], a2 in [-18,18] and a3 in [-9,9] const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7 const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7 const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7 p[-3 * step] = VP8kclip1[p2 + a3]; p[-2 * step] = VP8kclip1[p1 + a2]; p[- step] = VP8kclip1[p0 + a1]; p[ 0] = VP8kclip1[q0 - a1]; p[ step] = VP8kclip1[q1 - a2]; p[ 2 * step] = VP8kclip1[q2 - a3]; } static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) { const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; return (abs_mips32(p1 - p0) > thresh) || (abs_mips32(q1 - q0) > thresh); } static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int t) { const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; return ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) <= t); } static WEBP_INLINE int needs_filter2(const uint8_t* p, int step, int t, int it) { const int p3 = p[-4 * step], p2 = p[-3 * step]; const int p1 = p[-2 * step], p0 = p[-step]; const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step]; if ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) > t) { return 0; } return abs_mips32(p3 - p2) <= it && abs_mips32(p2 - p1) <= it && abs_mips32(p1 - p0) <= it && abs_mips32(q3 - q2) <= it && abs_mips32(q2 - q1) <= it && abs_mips32(q1 - q0) <= it; } static WEBP_INLINE void FilterLoop26(uint8_t* p, int hstride, int vstride, int size, int thresh, int ithresh, int hev_thresh) { const int thresh2 = 2 * thresh + 1; while (size-- > 0) { if (needs_filter2(p, hstride, thresh2, ithresh)) { if (hev(p, hstride, hev_thresh)) { do_filter2(p, hstride); } else { do_filter6(p, hstride); } } p += vstride; } } static WEBP_INLINE void FilterLoop24(uint8_t* p, int hstride, int vstride, int size, int thresh, int ithresh, int hev_thresh) { const int thresh2 = 2 * thresh + 1; while (size-- > 0) { if (needs_filter2(p, hstride, thresh2, ithresh)) { if (hev(p, hstride, hev_thresh)) { do_filter2(p, hstride); } else { do_filter4(p, hstride); } } p += vstride; } } // on macroblock edges static void VFilter16(uint8_t* p, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); } static void HFilter16(uint8_t* p, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); } // 8-pixels wide variant, for chroma filtering static void VFilter8(uint8_t* u, uint8_t* v, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); } static void HFilter8(uint8_t* u, uint8_t* v, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); } static void VFilter8i(uint8_t* u, uint8_t* v, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); } static void HFilter8i(uint8_t* u, uint8_t* v, int stride, int thresh, int ithresh, int hev_thresh) { FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); } // on three inner edges static void VFilter16i(uint8_t* p, int stride, int thresh, int ithresh, int hev_thresh) { int k; for (k = 3; k > 0; --k) { p += 4 * stride; FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); } } static void HFilter16i(uint8_t* p, int stride, int thresh, int ithresh, int hev_thresh) { int k; for (k = 3; k > 0; --k) { p += 4; FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); } } //------------------------------------------------------------------------------ // Simple In-loop filtering (Paragraph 15.2) static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { int i; const int thresh2 = 2 * thresh + 1; for (i = 0; i < 16; ++i) { if (needs_filter(p + i, stride, thresh2)) { do_filter2(p + i, stride); } } } static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { int i; const int thresh2 = 2 * thresh + 1; for (i = 0; i < 16; ++i) { if (needs_filter(p + i * stride, 1, thresh2)) { do_filter2(p + i * stride, 1); } } } static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { int k; for (k = 3; k > 0; --k) { p += 4 * stride; SimpleVFilter16(p, stride, thresh); } } static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { int k; for (k = 3; k > 0; --k) { p += 4; SimpleHFilter16(p, stride, thresh); } } static void TransformOne(const int16_t* in, uint8_t* dst) { int temp0, temp1, temp2, temp3, temp4; int temp5, temp6, temp7, temp8, temp9; int temp10, temp11, temp12, temp13, temp14; int temp15, temp16, temp17, temp18, temp19; int16_t* p_in = (int16_t*)in; // loops unrolled and merged to avoid usage of tmp buffer // and to reduce number of stalls. MUL macro is written // in assembler and inlined __asm__ volatile( "lh %[temp0], 0(%[in]) \n\t" "lh %[temp8], 16(%[in]) \n\t" "lh %[temp4], 8(%[in]) \n\t" "lh %[temp12], 24(%[in]) \n\t" "addu %[temp16], %[temp0], %[temp8] \n\t" "subu %[temp0], %[temp0], %[temp8] \n\t" "mul %[temp8], %[temp4], %[kC2] \n\t" MUL_SHIFT_C1(temp17, temp12) MUL_SHIFT_C1_IO(temp4, temp19) "mul %[temp12], %[temp12], %[kC2] \n\t" "lh %[temp1], 2(%[in]) \n\t" "lh %[temp5], 10(%[in]) \n\t" "lh %[temp9], 18(%[in]) \n\t" "lh %[temp13], 26(%[in]) \n\t" "sra %[temp8], %[temp8], 16 \n\t" "sra %[temp12], %[temp12], 16 \n\t" "lh %[temp2], 4(%[in]) \n\t" "lh %[temp6], 12(%[in]) \n\t" "lh %[temp10], 20(%[in]) \n\t" "lh %[temp14], 28(%[in]) \n\t" "subu %[temp17], %[temp8], %[temp17] \n\t" "addu %[temp4], %[temp4], %[temp12] \n\t" "addu %[temp8], %[temp16], %[temp4] \n\t" "subu %[temp4], %[temp16], %[temp4] \n\t" "addu %[temp16], %[temp1], %[temp9] \n\t" "subu %[temp1], %[temp1], %[temp9] \n\t" "lh %[temp3], 6(%[in]) \n\t" "lh %[temp7], 14(%[in]) \n\t" "lh %[temp11], 22(%[in]) \n\t" "lh %[temp15], 30(%[in]) \n\t" "addu %[temp12], %[temp0], %[temp17] \n\t" "subu %[temp0], %[temp0], %[temp17] \n\t" "mul %[temp9], %[temp5], %[kC2] \n\t" MUL_SHIFT_C1(temp17, temp13) MUL_SHIFT_C1_IO(temp5, temp19) "mul %[temp13], %[temp13], %[kC2] \n\t" "sra %[temp9], %[temp9], 16 \n\t" "subu %[temp17], %[temp9], %[temp17] \n\t" "sra %[temp13], %[temp13], 16 \n\t" "addu %[temp5], %[temp5], %[temp13] \n\t" "addu %[temp13], %[temp1], %[temp17] \n\t" "subu %[temp1], %[temp1], %[temp17] \n\t" MUL_SHIFT_C1(temp17, temp14) "mul %[temp14], %[temp14], %[kC2] \n\t" "addu %[temp9], %[temp16], %[temp5] \n\t" "subu %[temp5], %[temp16], %[temp5] \n\t" "addu %[temp16], %[temp2], %[temp10] \n\t" "subu %[temp2], %[temp2], %[temp10] \n\t" "mul %[temp10], %[temp6], %[kC2] \n\t" MUL_SHIFT_C1_IO(temp6, temp19) "sra %[temp14], %[temp14], 16 \n\t" "sra %[temp10], %[temp10], 16 \n\t" "subu %[temp17], %[temp10], %[temp17] \n\t" "addu %[temp6], %[temp6], %[temp14] \n\t" "addu %[temp10], %[temp16], %[temp6] \n\t" "subu %[temp6], %[temp16], %[temp6] \n\t" "addu %[temp14], %[temp2], %[temp17] \n\t" "subu %[temp2], %[temp2], %[temp17] \n\t" MUL_SHIFT_C1(temp17, temp15) "mul %[temp15], %[temp15], %[kC2] \n\t" "addu %[temp16], %[temp3], %[temp11] \n\t" "subu %[temp3], %[temp3], %[temp11] \n\t" "mul %[temp11], %[temp7], %[kC2] \n\t" MUL_SHIFT_C1_IO(temp7, temp19) "addiu %[temp8], %[temp8], 4 \n\t" "addiu %[temp12], %[temp12], 4 \n\t" "addiu %[temp0], %[temp0], 4 \n\t" "addiu %[temp4], %[temp4], 4 \n\t" "sra %[temp15], %[temp15], 16 \n\t" "sra %[temp11], %[temp11], 16 \n\t" "subu %[temp17], %[temp11], %[temp17] \n\t" "addu %[temp7], %[temp7], %[temp15] \n\t" "addu %[temp15], %[temp3], %[temp17] \n\t" "subu %[temp3], %[temp3], %[temp17] \n\t" "addu %[temp11], %[temp16], %[temp7] \n\t" "subu %[temp7], %[temp16], %[temp7] \n\t" "addu %[temp16], %[temp8], %[temp10] \n\t" "subu %[temp8], %[temp8], %[temp10] \n\t" "mul %[temp10], %[temp9], %[kC2] \n\t" MUL_SHIFT_C1(temp17, temp11) MUL_SHIFT_C1_IO(temp9, temp19) "mul %[temp11], %[temp11], %[kC2] \n\t" "sra %[temp10], %[temp10], 16 \n\t" "sra %[temp11], %[temp11], 16 \n\t" "subu %[temp17], %[temp10], %[temp17] \n\t" "addu %[temp11], %[temp9], %[temp11] \n\t" "addu %[temp10], %[temp12], %[temp14] \n\t" "subu %[temp12], %[temp12], %[temp14] \n\t" "mul %[temp14], %[temp13], %[kC2] \n\t" MUL_SHIFT_C1(temp9, temp15) MUL_SHIFT_C1_IO(temp13, temp19) "mul %[temp15], %[temp15], %[kC2] \n\t" "sra %[temp14], %[temp14], 16 \n\t" "sra %[temp15], %[temp15], 16 \n\t" "subu %[temp9], %[temp14], %[temp9] \n\t" "addu %[temp15], %[temp13], %[temp15] \n\t" "addu %[temp14], %[temp0], %[temp2] \n\t" "subu %[temp0], %[temp0], %[temp2] \n\t" "mul %[temp2], %[temp1], %[kC2] \n\t" MUL_SHIFT_C1(temp13, temp3) MUL_SHIFT_C1_IO(temp1, temp19) "mul %[temp3], %[temp3], %[kC2] \n\t" "sra %[temp2], %[temp2], 16 \n\t" "sra %[temp3], %[temp3], 16 \n\t" "subu %[temp13], %[temp2], %[temp13] \n\t" "addu %[temp3], %[temp1], %[temp3] \n\t" "addu %[temp2], %[temp4], %[temp6] \n\t" "subu %[temp4], %[temp4], %[temp6] \n\t" "mul %[temp6], %[temp5], %[kC2] \n\t" MUL_SHIFT_C1(temp1, temp7) MUL_SHIFT_C1_IO(temp5, temp19) "mul %[temp7], %[temp7], %[kC2] \n\t" "sra %[temp6], %[temp6], 16 \n\t" "sra %[temp7], %[temp7], 16 \n\t" "subu %[temp1], %[temp6], %[temp1] \n\t" "addu %[temp7], %[temp5], %[temp7] \n\t" "addu %[temp5], %[temp16], %[temp11] \n\t" "subu %[temp16], %[temp16], %[temp11] \n\t" "addu %[temp11], %[temp8], %[temp17] \n\t" "subu %[temp8], %[temp8], %[temp17] \n\t" "sra %[temp5], %[temp5], 3 \n\t" "sra %[temp16], %[temp16], 3 \n\t" "sra %[temp11], %[temp11], 3 \n\t" "sra %[temp8], %[temp8], 3 \n\t" "addu %[temp17], %[temp10], %[temp15] \n\t" "subu %[temp10], %[temp10], %[temp15] \n\t" "addu %[temp15], %[temp12], %[temp9] \n\t" "subu %[temp12], %[temp12], %[temp9] \n\t" "sra %[temp17], %[temp17], 3 \n\t" "sra %[temp10], %[temp10], 3 \n\t" "sra %[temp15], %[temp15], 3 \n\t" "sra %[temp12], %[temp12], 3 \n\t" "addu %[temp9], %[temp14], %[temp3] \n\t" "subu %[temp14], %[temp14], %[temp3] \n\t" "addu %[temp3], %[temp0], %[temp13] \n\t" "subu %[temp0], %[temp0], %[temp13] \n\t" "sra %[temp9], %[temp9], 3 \n\t" "sra %[temp14], %[temp14], 3 \n\t" "sra %[temp3], %[temp3], 3 \n\t" "sra %[temp0], %[temp0], 3 \n\t" "addu %[temp13], %[temp2], %[temp7] \n\t" "subu %[temp2], %[temp2], %[temp7] \n\t" "addu %[temp7], %[temp4], %[temp1] \n\t" "subu %[temp4], %[temp4], %[temp1] \n\t" "sra %[temp13], %[temp13], 3 \n\t" "sra %[temp2], %[temp2], 3 \n\t" "sra %[temp7], %[temp7], 3 \n\t" "sra %[temp4], %[temp4], 3 \n\t" "addiu %[temp6], $zero, 255 \n\t" "lbu %[temp1], 0+0*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp1], %[temp1], %[temp5] \n\t" "sra %[temp5], %[temp1], 8 \n\t" "sra %[temp18], %[temp1], 31 \n\t" "beqz %[temp5], 1f \n\t" "xor %[temp1], %[temp1], %[temp1] \n\t" "movz %[temp1], %[temp6], %[temp18] \n\t" "1: \n\t" "lbu %[temp18], 1+0*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp1], 0+0*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp18], %[temp18], %[temp11] \n\t" "sra %[temp11], %[temp18], 8 \n\t" "sra %[temp1], %[temp18], 31 \n\t" "beqz %[temp11], 2f \n\t" "xor %[temp18], %[temp18], %[temp18] \n\t" "movz %[temp18], %[temp6], %[temp1] \n\t" "2: \n\t" "lbu %[temp1], 2+0*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp18], 1+0*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp1], %[temp1], %[temp8] \n\t" "sra %[temp8], %[temp1], 8 \n\t" "sra %[temp18], %[temp1], 31 \n\t" "beqz %[temp8], 3f \n\t" "xor %[temp1], %[temp1], %[temp1] \n\t" "movz %[temp1], %[temp6], %[temp18] \n\t" "3: \n\t" "lbu %[temp18], 3+0*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp1], 2+0*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp18], %[temp18], %[temp16] \n\t" "sra %[temp16], %[temp18], 8 \n\t" "sra %[temp1], %[temp18], 31 \n\t" "beqz %[temp16], 4f \n\t" "xor %[temp18], %[temp18], %[temp18] \n\t" "movz %[temp18], %[temp6], %[temp1] \n\t" "4: \n\t" "sb %[temp18], 3+0*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp5], 0+1*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp16], 3+1*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp5], %[temp5], %[temp17] \n\t" "addu %[temp8], %[temp8], %[temp15] \n\t" "addu %[temp11], %[temp11], %[temp12] \n\t" "addu %[temp16], %[temp16], %[temp10] \n\t" "sra %[temp18], %[temp5], 8 \n\t" "sra %[temp1], %[temp5], 31 \n\t" "beqz %[temp18], 5f \n\t" "xor %[temp5], %[temp5], %[temp5] \n\t" "movz %[temp5], %[temp6], %[temp1] \n\t" "5: \n\t" "sra %[temp18], %[temp8], 8 \n\t" "sra %[temp1], %[temp8], 31 \n\t" "beqz %[temp18], 6f \n\t" "xor %[temp8], %[temp8], %[temp8] \n\t" "movz %[temp8], %[temp6], %[temp1] \n\t" "6: \n\t" "sra %[temp18], %[temp11], 8 \n\t" "sra %[temp1], %[temp11], 31 \n\t" "sra %[temp17], %[temp16], 8 \n\t" "sra %[temp15], %[temp16], 31 \n\t" "beqz %[temp18], 7f \n\t" "xor %[temp11], %[temp11], %[temp11] \n\t" "movz %[temp11], %[temp6], %[temp1] \n\t" "7: \n\t" "beqz %[temp17], 8f \n\t" "xor %[temp16], %[temp16], %[temp16] \n\t" "movz %[temp16], %[temp6], %[temp15] \n\t" "8: \n\t" "sb %[temp5], 0+1*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp16], 3+1*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp5], 0+2*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp16], 3+2*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp5], %[temp5], %[temp9] \n\t" "addu %[temp8], %[temp8], %[temp3] \n\t" "addu %[temp11], %[temp11], %[temp0] \n\t" "addu %[temp16], %[temp16], %[temp14] \n\t" "sra %[temp18], %[temp5], 8 \n\t" "sra %[temp1], %[temp5], 31 \n\t" "sra %[temp17], %[temp8], 8 \n\t" "sra %[temp15], %[temp8], 31 \n\t" "sra %[temp12], %[temp11], 8 \n\t" "sra %[temp10], %[temp11], 31 \n\t" "sra %[temp9], %[temp16], 8 \n\t" "sra %[temp3], %[temp16], 31 \n\t" "beqz %[temp18], 9f \n\t" "xor %[temp5], %[temp5], %[temp5] \n\t" "movz %[temp5], %[temp6], %[temp1] \n\t" "9: \n\t" "beqz %[temp17], 10f \n\t" "xor %[temp8], %[temp8], %[temp8] \n\t" "movz %[temp8], %[temp6], %[temp15] \n\t" "10: \n\t" "beqz %[temp12], 11f \n\t" "xor %[temp11], %[temp11], %[temp11] \n\t" "movz %[temp11], %[temp6], %[temp10] \n\t" "11: \n\t" "beqz %[temp9], 12f \n\t" "xor %[temp16], %[temp16], %[temp16] \n\t" "movz %[temp16], %[temp6], %[temp3] \n\t" "12: \n\t" "sb %[temp5], 0+2*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp16], 3+2*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp5], 0+3*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" "lbu %[temp16], 3+3*" XSTR(BPS) "(%[dst]) \n\t" "addu %[temp5], %[temp5], %[temp13] \n\t" "addu %[temp8], %[temp8], %[temp7] \n\t" "addu %[temp11], %[temp11], %[temp4] \n\t" "addu %[temp16], %[temp16], %[temp2] \n\t" "sra %[temp18], %[temp5], 8 \n\t" "sra %[temp1], %[temp5], 31 \n\t" "sra %[temp17], %[temp8], 8 \n\t" "sra %[temp15], %[temp8], 31 \n\t" "sra %[temp12], %[temp11], 8 \n\t" "sra %[temp10], %[temp11], 31 \n\t" "sra %[temp9], %[temp16], 8 \n\t" "sra %[temp3], %[temp16], 31 \n\t" "beqz %[temp18], 13f \n\t" "xor %[temp5], %[temp5], %[temp5] \n\t" "movz %[temp5], %[temp6], %[temp1] \n\t" "13: \n\t" "beqz %[temp17], 14f \n\t" "xor %[temp8], %[temp8], %[temp8] \n\t" "movz %[temp8], %[temp6], %[temp15] \n\t" "14: \n\t" "beqz %[temp12], 15f \n\t" "xor %[temp11], %[temp11], %[temp11] \n\t" "movz %[temp11], %[temp6], %[temp10] \n\t" "15: \n\t" "beqz %[temp9], 16f \n\t" "xor %[temp16], %[temp16], %[temp16] \n\t" "movz %[temp16], %[temp6], %[temp3] \n\t" "16: \n\t" "sb %[temp5], 0+3*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" "sb %[temp16], 3+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), [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) : [in]"r"(p_in), [kC1]"r"(kC1), [kC2]"r"(kC2), [dst]"r"(dst) : "memory", "hi", "lo" ); } static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { TransformOne(in, dst); if (do_two) { TransformOne(in + 16, dst + 4); } } //------------------------------------------------------------------------------ // Entry point extern void VP8DspInitMIPS32(void); WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPS32(void) { VP8InitClipTables(); VP8Transform = TransformTwo; VP8VFilter16 = VFilter16; VP8HFilter16 = HFilter16; VP8VFilter8 = VFilter8; VP8HFilter8 = HFilter8; VP8VFilter16i = VFilter16i; VP8HFilter16i = HFilter16i; VP8VFilter8i = VFilter8i; VP8HFilter8i = HFilter8i; VP8SimpleVFilter16 = SimpleVFilter16; VP8SimpleHFilter16 = SimpleHFilter16; VP8SimpleVFilter16i = SimpleVFilter16i; VP8SimpleHFilter16i = SimpleHFilter16i; } #else // !WEBP_USE_MIPS32 WEBP_DSP_INIT_STUB(VP8DspInitMIPS32) #endif // WEBP_USE_MIPS32
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