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Unified Diff: third_party/libwebp/dsp/lossless_mips_dsp_r2.c

Issue 1546003002: libwebp: update to 0.5.0 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 5 years ago
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Index: third_party/libwebp/dsp/lossless_mips_dsp_r2.c
diff --git a/third_party/libwebp/dsp/lossless_mips_dsp_r2.c b/third_party/libwebp/dsp/lossless_mips_dsp_r2.c
new file mode 100644
index 0000000000000000000000000000000000000000..90aed7f1510d2be5b17becb87ceb949a70762e97
--- /dev/null
+++ b/third_party/libwebp/dsp/lossless_mips_dsp_r2.c
@@ -0,0 +1,680 @@
+// 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.
+// -----------------------------------------------------------------------------
+//
+// Image transforms and color space conversion methods for lossless decoder.
+//
+// Author(s): Djordje Pesut (djordje.pesut@imgtec.com)
+// Jovan Zelincevic (jovan.zelincevic@imgtec.com)
+
+#include "./dsp.h"
+
+#if defined(WEBP_USE_MIPS_DSP_R2)
+
+#include "./lossless.h"
+
+#define MAP_COLOR_FUNCS(FUNC_NAME, TYPE, GET_INDEX, GET_VALUE) \
+static void FUNC_NAME(const TYPE* src, \
+ const uint32_t* const color_map, \
+ TYPE* dst, int y_start, int y_end, \
+ int width) { \
+ int y; \
+ for (y = y_start; y < y_end; ++y) { \
+ int x; \
+ for (x = 0; x < (width >> 2); ++x) { \
+ int tmp1, tmp2, tmp3, tmp4; \
+ __asm__ volatile ( \
+ ".ifc " #TYPE ", uint8_t \n\t" \
+ "lbu %[tmp1], 0(%[src]) \n\t" \
+ "lbu %[tmp2], 1(%[src]) \n\t" \
+ "lbu %[tmp3], 2(%[src]) \n\t" \
+ "lbu %[tmp4], 3(%[src]) \n\t" \
+ "addiu %[src], %[src], 4 \n\t" \
+ ".endif \n\t" \
+ ".ifc " #TYPE ", uint32_t \n\t" \
+ "lw %[tmp1], 0(%[src]) \n\t" \
+ "lw %[tmp2], 4(%[src]) \n\t" \
+ "lw %[tmp3], 8(%[src]) \n\t" \
+ "lw %[tmp4], 12(%[src]) \n\t" \
+ "ext %[tmp1], %[tmp1], 8, 8 \n\t" \
+ "ext %[tmp2], %[tmp2], 8, 8 \n\t" \
+ "ext %[tmp3], %[tmp3], 8, 8 \n\t" \
+ "ext %[tmp4], %[tmp4], 8, 8 \n\t" \
+ "addiu %[src], %[src], 16 \n\t" \
+ ".endif \n\t" \
+ "sll %[tmp1], %[tmp1], 2 \n\t" \
+ "sll %[tmp2], %[tmp2], 2 \n\t" \
+ "sll %[tmp3], %[tmp3], 2 \n\t" \
+ "sll %[tmp4], %[tmp4], 2 \n\t" \
+ "lwx %[tmp1], %[tmp1](%[color_map]) \n\t" \
+ "lwx %[tmp2], %[tmp2](%[color_map]) \n\t" \
+ "lwx %[tmp3], %[tmp3](%[color_map]) \n\t" \
+ "lwx %[tmp4], %[tmp4](%[color_map]) \n\t" \
+ ".ifc " #TYPE ", uint8_t \n\t" \
+ "ext %[tmp1], %[tmp1], 8, 8 \n\t" \
+ "ext %[tmp2], %[tmp2], 8, 8 \n\t" \
+ "ext %[tmp3], %[tmp3], 8, 8 \n\t" \
+ "ext %[tmp4], %[tmp4], 8, 8 \n\t" \
+ "sb %[tmp1], 0(%[dst]) \n\t" \
+ "sb %[tmp2], 1(%[dst]) \n\t" \
+ "sb %[tmp3], 2(%[dst]) \n\t" \
+ "sb %[tmp4], 3(%[dst]) \n\t" \
+ "addiu %[dst], %[dst], 4 \n\t" \
+ ".endif \n\t" \
+ ".ifc " #TYPE ", uint32_t \n\t" \
+ "sw %[tmp1], 0(%[dst]) \n\t" \
+ "sw %[tmp2], 4(%[dst]) \n\t" \
+ "sw %[tmp3], 8(%[dst]) \n\t" \
+ "sw %[tmp4], 12(%[dst]) \n\t" \
+ "addiu %[dst], %[dst], 16 \n\t" \
+ ".endif \n\t" \
+ : [tmp1]"=&r"(tmp1), [tmp2]"=&r"(tmp2), [tmp3]"=&r"(tmp3), \
+ [tmp4]"=&r"(tmp4), [src]"+&r"(src), [dst]"+r"(dst) \
+ : [color_map]"r"(color_map) \
+ : "memory" \
+ ); \
+ } \
+ for (x = 0; x < (width & 3); ++x) { \
+ *dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \
+ } \
+ } \
+}
+
+MAP_COLOR_FUNCS(MapARGB, uint32_t, VP8GetARGBIndex, VP8GetARGBValue)
+MAP_COLOR_FUNCS(MapAlpha, uint8_t, VP8GetAlphaIndex, VP8GetAlphaValue)
+
+#undef MAP_COLOR_FUNCS
+
+static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1,
+ uint32_t c2) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ __asm__ volatile (
+ "preceu.ph.qbr %[temp1], %[c0] \n\t"
+ "preceu.ph.qbl %[temp2], %[c0] \n\t"
+ "preceu.ph.qbr %[temp3], %[c1] \n\t"
+ "preceu.ph.qbl %[temp4], %[c1] \n\t"
+ "preceu.ph.qbr %[temp5], %[c2] \n\t"
+ "preceu.ph.qbl %[temp0], %[c2] \n\t"
+ "subq.ph %[temp3], %[temp3], %[temp5] \n\t"
+ "subq.ph %[temp4], %[temp4], %[temp0] \n\t"
+ "addq.ph %[temp1], %[temp1], %[temp3] \n\t"
+ "addq.ph %[temp2], %[temp2], %[temp4] \n\t"
+ "shll_s.ph %[temp1], %[temp1], 7 \n\t"
+ "shll_s.ph %[temp2], %[temp2], 7 \n\t"
+ "precrqu_s.qb.ph %[temp2], %[temp2], %[temp1] \n\t"
+ : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5)
+ : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2)
+ : "memory"
+ );
+ return temp2;
+}
+
+static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1,
+ uint32_t c2) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ __asm__ volatile (
+ "adduh.qb %[temp5], %[c0], %[c1] \n\t"
+ "preceu.ph.qbr %[temp3], %[c2] \n\t"
+ "preceu.ph.qbr %[temp1], %[temp5] \n\t"
+ "preceu.ph.qbl %[temp2], %[temp5] \n\t"
+ "preceu.ph.qbl %[temp4], %[c2] \n\t"
+ "subq.ph %[temp3], %[temp1], %[temp3] \n\t"
+ "subq.ph %[temp4], %[temp2], %[temp4] \n\t"
+ "shrl.ph %[temp5], %[temp3], 15 \n\t"
+ "shrl.ph %[temp0], %[temp4], 15 \n\t"
+ "addq.ph %[temp3], %[temp3], %[temp5] \n\t"
+ "addq.ph %[temp4], %[temp0], %[temp4] \n\t"
+ "shra.ph %[temp3], %[temp3], 1 \n\t"
+ "shra.ph %[temp4], %[temp4], 1 \n\t"
+ "addq.ph %[temp1], %[temp1], %[temp3] \n\t"
+ "addq.ph %[temp2], %[temp2], %[temp4] \n\t"
+ "shll_s.ph %[temp1], %[temp1], 7 \n\t"
+ "shll_s.ph %[temp2], %[temp2], 7 \n\t"
+ "precrqu_s.qb.ph %[temp1], %[temp2], %[temp1] \n\t"
+ : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=r"(temp4), [temp5]"=&r"(temp5)
+ : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2)
+ : "memory"
+ );
+ return temp1;
+}
+
+static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ __asm__ volatile (
+ "cmpgdu.lt.qb %[temp1], %[c], %[b] \n\t"
+ "pick.qb %[temp1], %[b], %[c] \n\t"
+ "pick.qb %[temp2], %[c], %[b] \n\t"
+ "cmpgdu.lt.qb %[temp4], %[c], %[a] \n\t"
+ "pick.qb %[temp4], %[a], %[c] \n\t"
+ "pick.qb %[temp5], %[c], %[a] \n\t"
+ "subu.qb %[temp3], %[temp1], %[temp2] \n\t"
+ "subu.qb %[temp0], %[temp4], %[temp5] \n\t"
+ "raddu.w.qb %[temp3], %[temp3] \n\t"
+ "raddu.w.qb %[temp0], %[temp0] \n\t"
+ "subu %[temp3], %[temp3], %[temp0] \n\t"
+ "slti %[temp0], %[temp3], 0x1 \n\t"
+ "movz %[a], %[b], %[temp0] \n\t"
+ : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp0]"=&r"(temp0),
+ [a]"+&r"(a)
+ : [b]"r"(b), [c]"r"(c)
+ );
+ return a;
+}
+
+static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) {
+ __asm__ volatile (
+ "adduh.qb %[a0], %[a0], %[a1] \n\t"
+ : [a0]"+r"(a0)
+ : [a1]"r"(a1)
+ );
+ return a0;
+}
+
+static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) {
+ return Average2(Average2(a0, a2), a1);
+}
+
+static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1,
+ uint32_t a2, uint32_t a3) {
+ return Average2(Average2(a0, a1), Average2(a2, a3));
+}
+
+static uint32_t Predictor5(uint32_t left, const uint32_t* const top) {
+ return Average3(left, top[0], top[1]);
+}
+
+static uint32_t Predictor6(uint32_t left, const uint32_t* const top) {
+ return Average2(left, top[-1]);
+}
+
+static uint32_t Predictor7(uint32_t left, const uint32_t* const top) {
+ return Average2(left, top[0]);
+}
+
+static uint32_t Predictor8(uint32_t left, const uint32_t* const top) {
+ (void)left;
+ return Average2(top[-1], top[0]);
+}
+
+static uint32_t Predictor9(uint32_t left, const uint32_t* const top) {
+ (void)left;
+ return Average2(top[0], top[1]);
+}
+
+static uint32_t Predictor10(uint32_t left, const uint32_t* const top) {
+ return Average4(left, top[-1], top[0], top[1]);
+}
+
+static uint32_t Predictor11(uint32_t left, const uint32_t* const top) {
+ return Select(top[0], left, top[-1]);
+}
+
+static uint32_t Predictor12(uint32_t left, const uint32_t* const top) {
+ return ClampedAddSubtractFull(left, top[0], top[-1]);
+}
+
+static uint32_t Predictor13(uint32_t left, const uint32_t* const top) {
+ return ClampedAddSubtractHalf(left, top[0], top[-1]);
+}
+
+// Add green to blue and red channels (i.e. perform the inverse transform of
+// 'subtract green').
+static void AddGreenToBlueAndRed(uint32_t* data, int num_pixels) {
+ uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
+ uint32_t* const p_loop1_end = data + (num_pixels & ~3);
+ uint32_t* const p_loop2_end = data + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[data], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp0], 0(%[data]) \n\t"
+ "lw %[temp1], 4(%[data]) \n\t"
+ "lw %[temp2], 8(%[data]) \n\t"
+ "lw %[temp3], 12(%[data]) \n\t"
+ "ext %[temp4], %[temp0], 8, 8 \n\t"
+ "ext %[temp5], %[temp1], 8, 8 \n\t"
+ "ext %[temp6], %[temp2], 8, 8 \n\t"
+ "ext %[temp7], %[temp3], 8, 8 \n\t"
+ "addiu %[data], %[data], 16 \n\t"
+ "replv.ph %[temp4], %[temp4] \n\t"
+ "replv.ph %[temp5], %[temp5] \n\t"
+ "replv.ph %[temp6], %[temp6] \n\t"
+ "replv.ph %[temp7], %[temp7] \n\t"
+ "addu.qb %[temp0], %[temp0], %[temp4] \n\t"
+ "addu.qb %[temp1], %[temp1], %[temp5] \n\t"
+ "addu.qb %[temp2], %[temp2], %[temp6] \n\t"
+ "addu.qb %[temp3], %[temp3], %[temp7] \n\t"
+ "sw %[temp0], -16(%[data]) \n\t"
+ "sw %[temp1], -12(%[data]) \n\t"
+ "sw %[temp2], -8(%[data]) \n\t"
+ "bne %[data], %[p_loop1_end], 0b \n\t"
+ " sw %[temp3], -4(%[data]) \n\t"
+ "3: \n\t"
+ "beq %[data], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[data]) \n\t"
+ "addiu %[data], %[data], 4 \n\t"
+ "ext %[temp4], %[temp0], 8, 8 \n\t"
+ "replv.ph %[temp4], %[temp4] \n\t"
+ "addu.qb %[temp0], %[temp0], %[temp4] \n\t"
+ "bne %[data], %[p_loop2_end], 1b \n\t"
+ " sw %[temp0], -4(%[data]) \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [data]"+&r"(data), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4),
+ [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+static void TransformColorInverse(const VP8LMultipliers* const m,
+ uint32_t* data, int num_pixels) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ uint32_t argb, argb1, new_red;
+ const uint32_t G_to_R = m->green_to_red_;
+ const uint32_t G_to_B = m->green_to_blue_;
+ const uint32_t R_to_B = m->red_to_blue_;
+ uint32_t* const p_loop_end = data + (num_pixels & ~1);
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[data], %[p_loop_end], 1f \n\t"
+ " nop \n\t"
+ "replv.ph %[temp0], %[G_to_R] \n\t"
+ "replv.ph %[temp1], %[G_to_B] \n\t"
+ "replv.ph %[temp2], %[R_to_B] \n\t"
+ "shll.ph %[temp0], %[temp0], 8 \n\t"
+ "shll.ph %[temp1], %[temp1], 8 \n\t"
+ "shll.ph %[temp2], %[temp2], 8 \n\t"
+ "shra.ph %[temp0], %[temp0], 8 \n\t"
+ "shra.ph %[temp1], %[temp1], 8 \n\t"
+ "shra.ph %[temp2], %[temp2], 8 \n\t"
+ "0: \n\t"
+ "lw %[argb], 0(%[data]) \n\t"
+ "lw %[argb1], 4(%[data]) \n\t"
+ "addiu %[data], %[data], 8 \n\t"
+ "precrq.qb.ph %[temp3], %[argb], %[argb1] \n\t"
+ "preceu.ph.qbra %[temp3], %[temp3] \n\t"
+ "shll.ph %[temp3], %[temp3], 8 \n\t"
+ "shra.ph %[temp3], %[temp3], 8 \n\t"
+ "mul.ph %[temp5], %[temp3], %[temp0] \n\t"
+ "mul.ph %[temp3], %[temp3], %[temp1] \n\t"
+ "precrq.ph.w %[new_red], %[argb], %[argb1] \n\t"
+ "ins %[argb1], %[argb], 16, 16 \n\t"
+ "shra.ph %[temp5], %[temp5], 5 \n\t"
+ "shra.ph %[temp3], %[temp3], 5 \n\t"
+ "addu.ph %[new_red], %[new_red], %[temp5] \n\t"
+ "addu.ph %[argb1], %[argb1], %[temp3] \n\t"
+ "preceu.ph.qbra %[temp5], %[new_red] \n\t"
+ "shll.ph %[temp4], %[temp5], 8 \n\t"
+ "shra.ph %[temp4], %[temp4], 8 \n\t"
+ "mul.ph %[temp4], %[temp4], %[temp2] \n\t"
+ "sb %[temp5], -2(%[data]) \n\t"
+ "sra %[temp5], %[temp5], 16 \n\t"
+ "shra.ph %[temp4], %[temp4], 5 \n\t"
+ "addu.ph %[argb1], %[argb1], %[temp4] \n\t"
+ "preceu.ph.qbra %[temp3], %[argb1] \n\t"
+ "sb %[temp5], -6(%[data]) \n\t"
+ "sb %[temp3], -4(%[data]) \n\t"
+ "sra %[temp3], %[temp3], 16 \n\t"
+ "bne %[data], %[p_loop_end], 0b \n\t"
+ " sb %[temp3], -8(%[data]) \n\t"
+ "1: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [new_red]"=&r"(new_red), [argb]"=&r"(argb),
+ [argb1]"=&r"(argb1), [data]"+&r"(data)
+ : [G_to_R]"r"(G_to_R), [R_to_B]"r"(R_to_B),
+ [G_to_B]"r"(G_to_B), [p_loop_end]"r"(p_loop_end)
+ : "memory", "hi", "lo"
+ );
+
+ // Fall-back to C-version for left-overs.
+ if (num_pixels & 1) VP8LTransformColorInverse_C(m, data, 1);
+}
+
+static void ConvertBGRAToRGB(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ int temp0, temp1, temp2, temp3;
+ const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
+ const uint32_t* const p_loop2_end = src + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[src], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp3], 12(%[src]) \n\t"
+ "lw %[temp2], 8(%[src]) \n\t"
+ "lw %[temp1], 4(%[src]) \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "ins %[temp3], %[temp2], 24, 8 \n\t"
+ "sll %[temp2], %[temp2], 8 \n\t"
+ "rotr %[temp3], %[temp3], 16 \n\t"
+ "ins %[temp2], %[temp1], 0, 16 \n\t"
+ "sll %[temp1], %[temp1], 8 \n\t"
+ "wsbh %[temp3], %[temp3] \n\t"
+ "balign %[temp0], %[temp1], 1 \n\t"
+ "wsbh %[temp2], %[temp2] \n\t"
+ "wsbh %[temp0], %[temp0] \n\t"
+ "usw %[temp3], 8(%[dst]) \n\t"
+ "rotr %[temp0], %[temp0], 16 \n\t"
+ "usw %[temp2], 4(%[dst]) \n\t"
+ "addiu %[src], %[src], 16 \n\t"
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "bne %[src], %[p_loop1_end], 0b \n\t"
+ " addiu %[dst], %[dst], 12 \n\t"
+ "3: \n\t"
+ "beq %[src], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "addiu %[src], %[src], 4 \n\t"
+ "wsbh %[temp1], %[temp0] \n\t"
+ "addiu %[dst], %[dst], 3 \n\t"
+ "ush %[temp1], -2(%[dst]) \n\t"
+ "sra %[temp0], %[temp0], 16 \n\t"
+ "bne %[src], %[p_loop2_end], 1b \n\t"
+ " sb %[temp0], -3(%[dst]) \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+static void ConvertBGRAToRGBA(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ int temp0, temp1, temp2, temp3;
+ const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
+ const uint32_t* const p_loop2_end = src + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[src], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "lw %[temp1], 4(%[src]) \n\t"
+ "lw %[temp2], 8(%[src]) \n\t"
+ "lw %[temp3], 12(%[src]) \n\t"
+ "wsbh %[temp0], %[temp0] \n\t"
+ "wsbh %[temp1], %[temp1] \n\t"
+ "wsbh %[temp2], %[temp2] \n\t"
+ "wsbh %[temp3], %[temp3] \n\t"
+ "addiu %[src], %[src], 16 \n\t"
+ "balign %[temp0], %[temp0], 1 \n\t"
+ "balign %[temp1], %[temp1], 1 \n\t"
+ "balign %[temp2], %[temp2], 1 \n\t"
+ "balign %[temp3], %[temp3], 1 \n\t"
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "usw %[temp1], 4(%[dst]) \n\t"
+ "usw %[temp2], 8(%[dst]) \n\t"
+ "usw %[temp3], 12(%[dst]) \n\t"
+ "bne %[src], %[p_loop1_end], 0b \n\t"
+ " addiu %[dst], %[dst], 16 \n\t"
+ "3: \n\t"
+ "beq %[src], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "wsbh %[temp0], %[temp0] \n\t"
+ "addiu %[src], %[src], 4 \n\t"
+ "balign %[temp0], %[temp0], 1 \n\t"
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "bne %[src], %[p_loop2_end], 1b \n\t"
+ " addiu %[dst], %[dst], 4 \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+static void ConvertBGRAToRGBA4444(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
+ const uint32_t* const p_loop2_end = src + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[src], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "lw %[temp1], 4(%[src]) \n\t"
+ "lw %[temp2], 8(%[src]) \n\t"
+ "lw %[temp3], 12(%[src]) \n\t"
+ "ext %[temp4], %[temp0], 28, 4 \n\t"
+ "ext %[temp5], %[temp0], 12, 4 \n\t"
+ "ins %[temp0], %[temp4], 0, 4 \n\t"
+ "ext %[temp4], %[temp1], 28, 4 \n\t"
+ "ins %[temp0], %[temp5], 16, 4 \n\t"
+ "ext %[temp5], %[temp1], 12, 4 \n\t"
+ "ins %[temp1], %[temp4], 0, 4 \n\t"
+ "ext %[temp4], %[temp2], 28, 4 \n\t"
+ "ins %[temp1], %[temp5], 16, 4 \n\t"
+ "ext %[temp5], %[temp2], 12, 4 \n\t"
+ "ins %[temp2], %[temp4], 0, 4 \n\t"
+ "ext %[temp4], %[temp3], 28, 4 \n\t"
+ "ins %[temp2], %[temp5], 16, 4 \n\t"
+ "ext %[temp5], %[temp3], 12, 4 \n\t"
+ "ins %[temp3], %[temp4], 0, 4 \n\t"
+ "precr.qb.ph %[temp1], %[temp1], %[temp0] \n\t"
+ "ins %[temp3], %[temp5], 16, 4 \n\t"
+ "addiu %[src], %[src], 16 \n\t"
+ "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
+#ifdef WEBP_SWAP_16BIT_CSP
+ "usw %[temp1], 0(%[dst]) \n\t"
+ "usw %[temp3], 4(%[dst]) \n\t"
+#else
+ "wsbh %[temp1], %[temp1] \n\t"
+ "wsbh %[temp3], %[temp3] \n\t"
+ "usw %[temp1], 0(%[dst]) \n\t"
+ "usw %[temp3], 4(%[dst]) \n\t"
+#endif
+ "bne %[src], %[p_loop1_end], 0b \n\t"
+ " addiu %[dst], %[dst], 8 \n\t"
+ "3: \n\t"
+ "beq %[src], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "ext %[temp4], %[temp0], 28, 4 \n\t"
+ "ext %[temp5], %[temp0], 12, 4 \n\t"
+ "ins %[temp0], %[temp4], 0, 4 \n\t"
+ "ins %[temp0], %[temp5], 16, 4 \n\t"
+ "addiu %[src], %[src], 4 \n\t"
+ "precr.qb.ph %[temp0], %[temp0], %[temp0] \n\t"
+#ifdef WEBP_SWAP_16BIT_CSP
+ "ush %[temp0], 0(%[dst]) \n\t"
+#else
+ "wsbh %[temp0], %[temp0] \n\t"
+ "ush %[temp0], 0(%[dst]) \n\t"
+#endif
+ "bne %[src], %[p_loop2_end], 1b \n\t"
+ " addiu %[dst], %[dst], 2 \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [dst]"+&r"(dst), [src]"+&r"(src)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+static void ConvertBGRAToRGB565(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ int temp0, temp1, temp2, temp3, temp4, temp5;
+ const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
+ const uint32_t* const p_loop2_end = src + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[src], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "lw %[temp1], 4(%[src]) \n\t"
+ "lw %[temp2], 8(%[src]) \n\t"
+ "lw %[temp3], 12(%[src]) \n\t"
+ "ext %[temp4], %[temp0], 8, 16 \n\t"
+ "ext %[temp5], %[temp0], 5, 11 \n\t"
+ "ext %[temp0], %[temp0], 3, 5 \n\t"
+ "ins %[temp4], %[temp5], 0, 11 \n\t"
+ "ext %[temp5], %[temp1], 5, 11 \n\t"
+ "ins %[temp4], %[temp0], 0, 5 \n\t"
+ "ext %[temp0], %[temp1], 8, 16 \n\t"
+ "ext %[temp1], %[temp1], 3, 5 \n\t"
+ "ins %[temp0], %[temp5], 0, 11 \n\t"
+ "ext %[temp5], %[temp2], 5, 11 \n\t"
+ "ins %[temp0], %[temp1], 0, 5 \n\t"
+ "ext %[temp1], %[temp2], 8, 16 \n\t"
+ "ext %[temp2], %[temp2], 3, 5 \n\t"
+ "ins %[temp1], %[temp5], 0, 11 \n\t"
+ "ext %[temp5], %[temp3], 5, 11 \n\t"
+ "ins %[temp1], %[temp2], 0, 5 \n\t"
+ "ext %[temp2], %[temp3], 8, 16 \n\t"
+ "ext %[temp3], %[temp3], 3, 5 \n\t"
+ "ins %[temp2], %[temp5], 0, 11 \n\t"
+ "append %[temp0], %[temp4], 16 \n\t"
+ "ins %[temp2], %[temp3], 0, 5 \n\t"
+ "addiu %[src], %[src], 16 \n\t"
+ "append %[temp2], %[temp1], 16 \n\t"
+#ifdef WEBP_SWAP_16BIT_CSP
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "usw %[temp2], 4(%[dst]) \n\t"
+#else
+ "wsbh %[temp0], %[temp0] \n\t"
+ "wsbh %[temp2], %[temp2] \n\t"
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "usw %[temp2], 4(%[dst]) \n\t"
+#endif
+ "bne %[src], %[p_loop1_end], 0b \n\t"
+ " addiu %[dst], %[dst], 8 \n\t"
+ "3: \n\t"
+ "beq %[src], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "ext %[temp4], %[temp0], 8, 16 \n\t"
+ "ext %[temp5], %[temp0], 5, 11 \n\t"
+ "ext %[temp0], %[temp0], 3, 5 \n\t"
+ "ins %[temp4], %[temp5], 0, 11 \n\t"
+ "addiu %[src], %[src], 4 \n\t"
+ "ins %[temp4], %[temp0], 0, 5 \n\t"
+#ifdef WEBP_SWAP_16BIT_CSP
+ "ush %[temp4], 0(%[dst]) \n\t"
+#else
+ "wsbh %[temp4], %[temp4] \n\t"
+ "ush %[temp4], 0(%[dst]) \n\t"
+#endif
+ "bne %[src], %[p_loop2_end], 1b \n\t"
+ " addiu %[dst], %[dst], 2 \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [dst]"+&r"(dst), [src]"+&r"(src)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+static void ConvertBGRAToBGR(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ int temp0, temp1, temp2, temp3;
+ const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
+ const uint32_t* const p_loop2_end = src + num_pixels;
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "beq %[src], %[p_loop1_end], 3f \n\t"
+ " nop \n\t"
+ "0: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "lw %[temp1], 4(%[src]) \n\t"
+ "lw %[temp2], 8(%[src]) \n\t"
+ "lw %[temp3], 12(%[src]) \n\t"
+ "ins %[temp0], %[temp1], 24, 8 \n\t"
+ "sra %[temp1], %[temp1], 8 \n\t"
+ "ins %[temp1], %[temp2], 16, 16 \n\t"
+ "sll %[temp2], %[temp2], 8 \n\t"
+ "balign %[temp3], %[temp2], 1 \n\t"
+ "addiu %[src], %[src], 16 \n\t"
+ "usw %[temp0], 0(%[dst]) \n\t"
+ "usw %[temp1], 4(%[dst]) \n\t"
+ "usw %[temp3], 8(%[dst]) \n\t"
+ "bne %[src], %[p_loop1_end], 0b \n\t"
+ " addiu %[dst], %[dst], 12 \n\t"
+ "3: \n\t"
+ "beq %[src], %[p_loop2_end], 2f \n\t"
+ " nop \n\t"
+ "1: \n\t"
+ "lw %[temp0], 0(%[src]) \n\t"
+ "addiu %[src], %[src], 4 \n\t"
+ "addiu %[dst], %[dst], 3 \n\t"
+ "ush %[temp0], -3(%[dst]) \n\t"
+ "sra %[temp0], %[temp0], 16 \n\t"
+ "bne %[src], %[p_loop2_end], 1b \n\t"
+ " sb %[temp0], -1(%[dst]) \n\t"
+ "2: \n\t"
+ ".set pop \n\t"
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
+ : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
+ : "memory"
+ );
+}
+
+//------------------------------------------------------------------------------
+// Entry point
+
+extern void VP8LDspInitMIPSdspR2(void);
+
+WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) {
+ VP8LMapColor32b = MapARGB;
+ VP8LMapColor8b = MapAlpha;
+ VP8LPredictors[5] = Predictor5;
+ VP8LPredictors[6] = Predictor6;
+ VP8LPredictors[7] = Predictor7;
+ VP8LPredictors[8] = Predictor8;
+ VP8LPredictors[9] = Predictor9;
+ VP8LPredictors[10] = Predictor10;
+ VP8LPredictors[11] = Predictor11;
+ VP8LPredictors[12] = Predictor12;
+ VP8LPredictors[13] = Predictor13;
+ VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
+ VP8LTransformColorInverse = TransformColorInverse;
+ VP8LConvertBGRAToRGB = ConvertBGRAToRGB;
+ VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA;
+ VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444;
+ VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565;
+ VP8LConvertBGRAToBGR = ConvertBGRAToBGR;
+}
+
+#else // !WEBP_USE_MIPS_DSP_R2
+
+WEBP_DSP_INIT_STUB(VP8LDspInitMIPSdspR2)
+
+#endif // WEBP_USE_MIPS_DSP_R2
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