// 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 (djordje.pesut@imgtec.com)
// Jovan Zelincevic (jovan.zelincevic@imgtec.com)
#include "./dsp.h"
#if defined(WEBP_USE_MIPS32)
#include "./mips_macro.h"
static const int kC1 = 20091 + (1 << 16);
static const int kC2 = 35468;
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;
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 %[temp17], %[temp12], %[kC1] \n\t"
"mul %[temp4], %[temp4], %[kC1] \n\t"
"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 %[temp17], %[temp17], 16 \n\t"
"sra %[temp4], %[temp4], 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 %[temp17], %[temp13], %[kC1] \n\t"
"mul %[temp5], %[temp5], %[kC1] \n\t"
"mul %[temp13], %[temp13], %[kC2] \n\t"
"sra %[temp9], %[temp9], 16 \n\t"
"sra %[temp17], %[temp17], 16 \n\t"
"subu %[temp17], %[temp9], %[temp17] \n\t"
"sra %[temp5], %[temp5], 16 \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 %[temp17], %[temp14], %[kC1] \n\t"
"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 %[temp6], %[temp6], %[kC1] \n\t"
"sra %[temp17], %[temp17], 16 \n\t"
"sra %[temp14], %[temp14], 16 \n\t"
"sra %[temp10], %[temp10], 16 \n\t"
"sra %[temp6], %[temp6], 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 %[temp17], %[temp15], %[kC1] \n\t"
"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 %[temp7], %[temp7], %[kC1] \n\t"
"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 %[temp17], %[temp17], 16 \n\t"
"sra %[temp15], %[temp15], 16 \n\t"
"sra %[temp11], %[temp11], 16 \n\t"
"sra %[temp7], %[temp7], 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 %[temp17], %[temp11], %[kC1] \n\t"
"mul %[temp9], %[temp9], %[kC1] \n\t"
"mul %[temp11], %[temp11], %[kC2] \n\t"
"sra %[temp10], %[temp10], 16 \n\t"
"sra %[temp17], %[temp17], 16 \n\t"
"sra %[temp9], %[temp9], 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 %[temp9], %[temp15], %[kC1] \n\t"
"mul %[temp13], %[temp13], %[kC1] \n\t"
"mul %[temp15], %[temp15], %[kC2] \n\t"
"sra %[temp14], %[temp14], 16 \n\t"
"sra %[temp9], %[temp9], 16 \n\t"
"sra %[temp13], %[temp13], 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 %[temp13], %[temp3], %[kC1] \n\t"
"mul %[temp1], %[temp1], %[kC1] \n\t"
"mul %[temp3], %[temp3], %[kC2] \n\t"
"sra %[temp2], %[temp2], 16 \n\t"
"sra %[temp13], %[temp13], 16 \n\t"
"sra %[temp1], %[temp1], 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 %[temp1], %[temp7], %[kC1] \n\t"
"mul %[temp5], %[temp5], %[kC1] \n\t"
"mul %[temp7], %[temp7], %[kC2] \n\t"
"sra %[temp6], %[temp6], 16 \n\t"
"sra %[temp1], %[temp1], 16 \n\t"
"sra %[temp5], %[temp5], 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)
: [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