Nagram/TMessagesProj/jni/third_party/libyuv/source/scale_mmi.cc

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2020-08-14 16:58:22 +00:00
/*
* Copyright 2013 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE 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.
*/
#include "libyuv/scale.h"
#include <assert.h>
#include <string.h>
#include "libyuv/cpu_id.h"
#include "libyuv/planar_functions.h" // For CopyARGB
#include "libyuv/row.h"
#include "libyuv/scale_row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// This module is for Mips MMI.
#if !defined(LIBYUV_DISABLE_MMI) && defined(_MIPS_ARCH_LOONGSON3A)
// clang-format off
// CPU agnostic row functions
void ScaleRowDown2_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1, dest;
const uint64_t shift = 0x8ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"psrlh %[src0], %[src0], %[shift] \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"psrlh %[src1], %[src1], %[shift] \n\t"
"packushb %[dest], %[src0], %[src1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[shift] "f"(shift)
: "memory");
}
void ScaleRowDown2Linear_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1;
uint64_t dest, dest0, dest1;
const uint64_t mask = 0x00ff00ff00ff00ffULL;
const uint64_t shift = 0x8ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"and %[dest0], %[src0], %[mask] \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"and %[dest1], %[src1], %[mask] \n\t"
"packushb %[dest0], %[dest0], %[dest1] \n\t"
"psrlh %[src0], %[src0], %[shift] \n\t"
"psrlh %[src1], %[src1], %[shift] \n\t"
"packushb %[dest1], %[src0], %[src1] \n\t"
"pavgb %[dest], %[dest0], %[dest1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest0] "=&f"(dest0),
[dest1] "=&f"(dest1), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [mask] "f"(mask),
[shift] "f"(shift), [width] "r"(dst_width)
: "memory");
}
void ScaleRowDown2Box_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
const uint8_t* s = src_ptr;
const uint8_t* t = src_ptr + src_stride;
uint64_t s0, s1, t0, t1;
uint64_t dest, dest0, dest1;
const uint64_t ph = 0x0002000200020002ULL;
const uint64_t mask = 0x00ff00ff00ff00ffULL;
const uint64_t shift0 = 0x2ULL;
const uint64_t shift1 = 0x8ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[s0], 0x00(%[s]) \n\t"
"gsldlc1 %[s0], 0x07(%[s]) \n\t"
"psrlh %[s1], %[s0], %[shift1] \n\t"
"and %[s0], %[s0], %[mask] \n\t"
"gsldrc1 %[t0], 0x00(%[t]) \n\t"
"gsldlc1 %[t0], 0x07(%[t]) \n\t"
"psrlh %[t1], %[t0], %[shift1] \n\t"
"and %[t0], %[t0], %[mask] \n\t"
"paddh %[dest0], %[s0], %[s1] \n\t"
"paddh %[dest0], %[dest0], %[t0] \n\t"
"paddh %[dest0], %[dest0], %[t1] \n\t"
"paddh %[dest0], %[dest0], %[ph] \n\t"
"psrlh %[dest0], %[dest0], %[shift0] \n\t"
"gsldrc1 %[s0], 0x08(%[s]) \n\t"
"gsldlc1 %[s0], 0x0f(%[s]) \n\t"
"psrlh %[s1], %[s0], %[shift1] \n\t"
"and %[s0], %[s0], %[mask] \n\t"
"gsldrc1 %[t0], 0x08(%[t]) \n\t"
"gsldlc1 %[t0], 0x0f(%[t]) \n\t"
"psrlh %[t1], %[t0], %[shift1] \n\t"
"and %[t0], %[t0], %[mask] \n\t"
"paddh %[dest1], %[s0], %[s1] \n\t"
"paddh %[dest1], %[dest1], %[t0] \n\t"
"paddh %[dest1], %[dest1], %[t1] \n\t"
"paddh %[dest1], %[dest1], %[ph] \n\t"
"psrlh %[dest1], %[dest1], %[shift0] \n\t"
"packushb %[dest], %[dest0], %[dest1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[s], %[s], 0x10 \n\t"
"daddiu %[t], %[t], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [s0] "=&f"(s0), [s1] "=&f"(s1), [t0] "=&f"(t0), [t1] "=&f"(t1),
[dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [dest] "=&f"(dest)
: [s] "r"(s), [t] "r"(t), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[shift0] "f"(shift0), [shift1] "f"(shift1), [ph] "f"(ph),
[mask] "f"(mask)
: "memory");
}
void ScaleARGBRowDown2_MMI(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
(void)src_stride;
const uint32_t* src = (const uint32_t*)(src_argb);
uint32_t* dst = (uint32_t*)(dst_argb);
uint64_t src0, src1, dest;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"punpckhwd %[dest], %[src0], %[src1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x02 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest] "=&f"(dest)
: [src_ptr] "r"(src), [dst_ptr] "r"(dst), [width] "r"(dst_width)
: "memory");
}
void ScaleARGBRowDown2Linear_MMI(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
(void)src_stride;
uint64_t src0, src1;
uint64_t dest, dest_hi, dest_lo;
__asm__ volatile(
"1: \n\t"
"lwc1 %[src0], 0x00(%[src_ptr]) \n\t"
"lwc1 %[src1], 0x08(%[src_ptr]) \n\t"
"punpcklwd %[dest_lo], %[src0], %[src1] \n\t"
"lwc1 %[src0], 0x04(%[src_ptr]) \n\t"
"lwc1 %[src1], 0x0c(%[src_ptr]) \n\t"
"punpcklwd %[dest_hi], %[src0], %[src1] \n\t"
"pavgb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x02 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest_hi] "=&f"(dest_hi),
[dest_lo] "=&f"(dest_lo), [dest] "=&f"(dest)
: [src_ptr] "r"(src_argb), [dst_ptr] "r"(dst_argb), [width] "r"(dst_width)
: "memory");
}
void ScaleARGBRowDown2Box_MMI(const uint8_t* src_argb,
ptrdiff_t src_stride,
uint8_t* dst_argb,
int dst_width) {
const uint8_t* s = src_argb;
const uint8_t* t = src_argb + src_stride;
uint64_t s0, s_hi, s_lo;
uint64_t t0, t_hi, t_lo;
uint64_t dest, dest_hi, dest_lo;
const uint64_t mask = 0x0ULL;
const uint64_t ph = 0x0002000200020002ULL;
const uint64_t shfit = 0x2ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[s0], 0x00(%[s]) \n\t"
"gsldlc1 %[s0], 0x07(%[s]) \n\t"
"punpcklbh %[s_lo], %[s0], %[mask] \n\t"
"punpckhbh %[s_hi], %[s0], %[mask] \n\t"
"paddh %[dest_lo], %[s_lo], %[s_hi] \n\t"
"gsldrc1 %[t0], 0x00(%[t]) \n\t"
"gsldlc1 %[t0], 0x07(%[t]) \n\t"
"punpcklbh %[t_lo], %[t0], %[mask] \n\t"
"punpckhbh %[t_hi], %[t0], %[mask] \n\t"
"paddh %[dest_lo], %[dest_lo], %[t_lo] \n\t"
"paddh %[dest_lo], %[dest_lo], %[t_hi] \n\t"
"paddh %[dest_lo], %[dest_lo], %[ph] \n\t"
"psrlh %[dest_lo], %[dest_lo], %[shfit] \n\t"
"gsldrc1 %[s0], 0x08(%[s]) \n\t"
"gsldlc1 %[s0], 0x0f(%[s]) \n\t"
"punpcklbh %[s_lo], %[s0], %[mask] \n\t"
"punpckhbh %[s_hi], %[s0], %[mask] \n\t"
"paddh %[dest_hi], %[s_lo], %[s_hi] \n\t"
"gsldrc1 %[t0], 0x08(%[t]) \n\t"
"gsldlc1 %[t0], 0x0f(%[t]) \n\t"
"punpcklbh %[t_lo], %[t0], %[mask] \n\t"
"punpckhbh %[t_hi], %[t0], %[mask] \n\t"
"paddh %[dest_hi], %[dest_hi], %[t_lo] \n\t"
"paddh %[dest_hi], %[dest_hi], %[t_hi] \n\t"
"paddh %[dest_hi], %[dest_hi], %[ph] \n\t"
"psrlh %[dest_hi], %[dest_hi], %[shfit] \n\t"
"packushb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[s], %[s], 0x10 \n\t"
"daddiu %[t], %[t], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x02 \n\t"
"bnez %[width], 1b \n\t"
: [s0] "=&f"(s0), [t0] "=&f"(t0), [dest_hi] "=&f"(dest_hi),
[dest_lo] "=&f"(dest_lo), [s_hi] "=&f"(s_hi), [s_lo] "=&f"(s_lo),
[t_hi] "=&f"(t_hi), [t_lo] "=&f"(t_lo), [dest] "=&f"(dest)
: [s] "r"(s), [t] "r"(t), [dst_ptr] "r"(dst_argb), [width] "r"(dst_width),
[mask] "f"(mask), [ph] "f"(ph), [shfit] "f"(shfit)
: "memory");
}
void ScaleRowDown2_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1, dest;
const uint64_t shift = 0x10ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"psrlw %[src0], %[src0], %[shift] \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"psrlw %[src1], %[src1], %[shift] \n\t"
"packsswh %[dest], %[src0], %[src1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[shift] "f"(shift)
: "memory");
}
void ScaleRowDown2Linear_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1;
uint64_t dest, dest_hi, dest_lo;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"punpcklhw %[dest_lo], %[src0], %[src1] \n\t"
"punpckhhw %[dest_hi], %[src0], %[src1] \n\t"
"punpcklhw %[src0], %[dest_lo], %[dest_hi] \n\t"
"punpckhhw %[src1], %[dest_lo], %[dest_hi] \n\t"
"pavgh %[dest], %[src0], %[src1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest_hi] "=&f"(dest_hi),
[dest_lo] "=&f"(dest_lo), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [width] "r"(dst_width)
: "memory");
}
void ScaleRowDown2Box_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
const uint16_t* s = src_ptr;
const uint16_t* t = src_ptr + src_stride;
uint64_t s0, s1, s_hi, s_lo;
uint64_t t0, t1, t_hi, t_lo;
uint64_t dest, dest0, dest1;
const uint64_t ph = 0x0000000200000002ULL;
const uint64_t mask = 0x0000ffff0000ffffULL;
const uint64_t shift0 = 0x10ULL;
const uint64_t shift1 = 0x2ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[s0], 0x00(%[s]) \n\t"
"gsldlc1 %[s0], 0x07(%[s]) \n\t"
"psrlw %[s1], %[s0], %[shift0] \n\t"
"and %[s0], %[s0], %[mask] \n\t"
"gsldrc1 %[t0], 0x00(%[t]) \n\t"
"gsldlc1 %[t0], 0x07(%[t]) \n\t"
"psrlw %[t1], %[t0], %[shift0] \n\t"
"and %[t0], %[t0], %[mask] \n\t"
"paddw %[dest0], %[s0], %[s1] \n\t"
"paddw %[dest0], %[dest0], %[t0] \n\t"
"paddw %[dest0], %[dest0], %[t1] \n\t"
"paddw %[dest0], %[dest0], %[ph] \n\t"
"psrlw %[dest0], %[dest0], %[shift1] \n\t"
"gsldrc1 %[s0], 0x08(%[s]) \n\t"
"gsldlc1 %[s0], 0x0f(%[s]) \n\t"
"psrlw %[s1], %[s0], %[shift0] \n\t"
"and %[s0], %[s0], %[mask] \n\t"
"gsldrc1 %[t0], 0x08(%[t]) \n\t"
"gsldlc1 %[t0], 0x0f(%[t]) \n\t"
"psrlw %[t1], %[t0], %[shift0] \n\t"
"and %[t0], %[t0], %[mask] \n\t"
"paddw %[dest1], %[s0], %[s1] \n\t"
"paddw %[dest1], %[dest1], %[t0] \n\t"
"paddw %[dest1], %[dest1], %[t1] \n\t"
"paddw %[dest1], %[dest1], %[ph] \n\t"
"psrlw %[dest1], %[dest1], %[shift1] \n\t"
"packsswh %[dest], %[dest0], %[dest1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[s], %[s], 0x10 \n\t"
"daddiu %[t], %[t], 0x10 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [s0] "=&f"(s0), [s1] "=&f"(s1), [t0] "=&f"(t0), [t1] "=&f"(t1),
[s_hi] "=&f"(s_hi), [s_lo] "=&f"(s_lo), [t_hi] "=&f"(t_hi),
[t_lo] "=&f"(t_lo), [dest0] "=&f"(dest0), [dest1] "=&f"(dest1),
[dest] "=&f"(dest)
: [s] "r"(s), [t] "r"(t), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[shift0] "f"(shift0), [shift1] "f"(shift1), [ph] "f"(ph),
[mask] "f"(mask)
: "memory");
}
void ScaleRowDown4_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1;
uint64_t dest, dest_hi, dest_lo;
const uint64_t shift = 0x10ULL;
const uint64_t mask = 0x000000ff000000ffULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"psrlw %[src0], %[src0], %[shift] \n\t"
"and %[src0], %[src0], %[mask] \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"psrlw %[src1], %[src1], %[shift] \n\t"
"and %[src1], %[src1], %[mask] \n\t"
"packsswh %[dest_lo], %[src0], %[src1] \n\t"
"gsldrc1 %[src0], 0x10(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x17(%[src_ptr]) \n\t"
"psrlw %[src0], %[src0], %[shift] \n\t"
"and %[src0], %[src0], %[mask] \n\t"
"gsldrc1 %[src1], 0x18(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x1f(%[src_ptr]) \n\t"
"psrlw %[src1], %[src1], %[shift] \n\t"
"and %[src1], %[src1], %[mask] \n\t"
"packsswh %[dest_hi], %[src0], %[src1] \n\t"
"packushb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x20 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest_hi] "=&f"(dest_hi),
[dest_lo] "=&f"(dest_lo), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[shift] "f"(shift), [mask] "f"(mask)
: "memory");
}
void ScaleRowDown4_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
(void)src_stride;
uint64_t src0, src1;
uint64_t dest, dest_hi, dest_lo;
const uint64_t mask = 0x0ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"punpckhhw %[dest_lo], %[src0], %[src1] \n\t"
"punpcklhw %[dest_lo], %[dest_lo], %[mask] \n\t"
"gsldrc1 %[src0], 0x10(%[src_ptr]) \n\t"
"gsldlc1 %[src0], 0x17(%[src_ptr]) \n\t"
"gsldrc1 %[src1], 0x18(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x1f(%[src_ptr]) \n\t"
"punpckhhw %[dest_hi], %[src0], %[src1] \n\t"
"punpcklhw %[dest_hi], %[dest_hi], %[mask] \n\t"
"packushb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x20 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest_hi] "=&f"(dest_hi),
[dest_lo] "=&f"(dest_lo), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[mask] "f"(mask)
: "memory");
}
#define DO_SCALEROWDOWN4BOX_PUNPCKADD() \
"punpcklbh %[src_lo], %[src], %[mask0] \n\t" \
"punpckhbh %[src_hi], %[src], %[mask0] \n\t" \
"paddh %[dest_lo], %[dest_lo], %[src_lo] \n\t" \
"paddh %[dest_hi], %[dest_hi], %[src_hi] \n\t"
#define DO_SCALEROWDOWN4BOX_LOOP(reg) \
"ldc1 %[src], 0x00(%[src0_ptr]) \n\t" \
"punpcklbh %[dest_lo], %[src], %[mask0] \n\t" \
"punpckhbh %[dest_hi], %[src], %[mask0] \n\t" \
\
"ldc1 %[src], 0x00(%[src1_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_PUNPCKADD() \
\
"ldc1 %[src], 0x00(%[src2_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_PUNPCKADD() \
\
"ldc1 %[src], 0x00(%[src3_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_PUNPCKADD() \
\
"pmaddhw %[dest_lo], %[dest_lo], %[mask1] \n\t" \
"pmaddhw %[dest_hi], %[dest_hi], %[mask1] \n\t" \
"packsswh " #reg ", %[dest_lo], %[dest_hi] \n\t" \
"pmaddhw " #reg ", " #reg ", %[mask1] \n\t" \
"paddh " #reg ", " #reg ", %[ph] \n\t" \
"psrlh " #reg ", " #reg ", %[shift] \n\t" \
\
"daddiu %[src0_ptr], %[src0_ptr], 0x08 \n\t" \
"daddiu %[src1_ptr], %[src1_ptr], 0x08 \n\t" \
"daddiu %[src2_ptr], %[src2_ptr], 0x08 \n\t" \
"daddiu %[src3_ptr], %[src3_ptr], 0x08 \n\t"
/* LibYUVScaleTest.ScaleDownBy4_Box */
void ScaleRowDown4Box_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
const uint8_t* src0_ptr = src_ptr;
const uint8_t* src1_ptr = src_ptr + src_stride;
const uint8_t* src2_ptr = src_ptr + src_stride * 2;
const uint8_t* src3_ptr = src_ptr + src_stride * 3;
uint64_t src, src_hi, src_lo;
uint64_t dest, dest_hi, dest_lo, dest0, dest1, dest2, dest3;
const uint64_t mask0 = 0x0ULL;
const uint64_t mask1 = 0x0001000100010001ULL;
const uint64_t ph = 0x0008000800080008ULL;
const uint64_t shift = 0x4ULL;
__asm__ volatile(
"1: \n\t"
DO_SCALEROWDOWN4BOX_LOOP(%[dest0])
DO_SCALEROWDOWN4BOX_LOOP(%[dest1])
DO_SCALEROWDOWN4BOX_LOOP(%[dest2])
DO_SCALEROWDOWN4BOX_LOOP(%[dest3])
"packsswh %[dest_lo], %[dest0], %[dest1] \n\t"
"packsswh %[dest_hi], %[dest2], %[dest3] \n\t"
"packushb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src_hi] "=&f"(src_hi), [src_lo] "=&f"(src_lo),
[dest_hi] "=&f"(dest_hi), [dest_lo] "=&f"(dest_lo),
[dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [dest2] "=&f"(dest2),
[dest3] "=&f"(dest3), [src] "=&f"(src), [dest] "=&f"(dest)
: [src0_ptr] "r"(src0_ptr), [src1_ptr] "r"(src1_ptr),
[src2_ptr] "r"(src2_ptr), [src3_ptr] "r"(src3_ptr), [dst_ptr] "r"(dst),
[width] "r"(dst_width), [shift] "f"(shift), [mask0] "f"(mask0),
[ph] "f"(ph), [mask1] "f"(mask1)
: "memory");
}
#define DO_SCALEROWDOWN4BOX_16_PUNPCKADD() \
"punpcklbh %[src_lo], %[src], %[mask0] \n\t" \
"punpckhbh %[src_hi], %[src], %[mask0] \n\t" \
"paddh %[dest_lo], %[dest_lo], %[src_lo] \n\t" \
"paddh %[dest_hi], %[dest_hi], %[src_hi] \n\t"
#define DO_SCALEROWDOWN4BOX_16_LOOP(reg) \
"ldc1 %[src], 0x00(%[src0_ptr]) \n\t" \
"punpcklbh %[dest_lo], %[src], %[mask0] \n\t" \
"punpckhbh %[dest_hi], %[src], %[mask0] \n\t" \
\
"ldc1 %[src], 0x00(%[src1_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_16_PUNPCKADD() \
\
"ldc1 %[src], 0x00(%[src2_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_16_PUNPCKADD() \
\
"ldc1 %[src], 0x00(%[src3_ptr]) \n\t" \
DO_SCALEROWDOWN4BOX_16_PUNPCKADD() \
\
"paddw %[dest], %[dest_lo], %[dest_hi] \n\t" \
"punpckhwd %[dest_hi], %[dest], %[dest] \n\t" \
"paddw %[dest], %[dest_hi], %[dest] \n\t" \
"paddw %[dest], %[dest], %[ph] \n\t" \
"psraw %[dest], %[dest], %[shift] \n\t" \
"and " #reg ", %[dest], %[mask1] \n\t" \
\
"daddiu %[src0_ptr], %[src0_ptr], 0x08 \n\t" \
"daddiu %[src1_ptr], %[src1_ptr], 0x08 \n\t" \
"daddiu %[src2_ptr], %[src2_ptr], 0x08 \n\t" \
"daddiu %[src3_ptr], %[src3_ptr], 0x08 \n\t"
/* LibYUVScaleTest.ScaleDownBy4_Box_16 */
void ScaleRowDown4Box_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
const uint16_t* src0_ptr = src_ptr;
const uint16_t* src1_ptr = src_ptr + src_stride;
const uint16_t* src2_ptr = src_ptr + src_stride * 2;
const uint16_t* src3_ptr = src_ptr + src_stride * 3;
uint64_t src, src_hi, src_lo;
uint64_t dest, dest_hi, dest_lo, dest0, dest1, dest2, dest3;
const uint64_t mask0 = 0x0ULL;
const uint64_t mask1 = 0x00000000ffffffffULL;
const uint64_t ph = 0x0000000800000008ULL;
const uint64_t shift = 0x04ULL;
__asm__ volatile(
"1: \n\t"
DO_SCALEROWDOWN4BOX_16_LOOP(%[dest0])
DO_SCALEROWDOWN4BOX_16_LOOP(%[dest1])
DO_SCALEROWDOWN4BOX_16_LOOP(%[dest2])
DO_SCALEROWDOWN4BOX_16_LOOP(%[dest3])
"punpcklwd %[dest_lo], %[dest0], %[dest1] \n\t"
"punpcklwd %[dest_hi], %[dest2], %[dest3] \n\t"
"packushb %[dest], %[dest_lo], %[dest_hi] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [src_hi] "=&f"(src_hi), [src_lo] "=&f"(src_lo),
[dest_hi] "=&f"(dest_hi), [dest_lo] "=&f"(dest_lo),
[dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [dest2] "=&f"(dest2),
[dest3] "=&f"(dest3), [src] "=&f"(src), [dest] "=&f"(dest)
: [src0_ptr] "r"(src0_ptr), [src1_ptr] "r"(src1_ptr),
[src2_ptr] "r"(src2_ptr), [src3_ptr] "r"(src3_ptr), [dst_ptr] "r"(dst),
[width] "r"(dst_width), [shift] "f"(shift), [mask0] "f"(mask0),
[ph] "f"(ph), [mask1] "f"(mask1)
: "memory");
}
// Scales a single row of pixels up by 2x using point sampling.
void ScaleColsUp2_MMI(uint8_t* dst_ptr,
const uint8_t* src_ptr,
int dst_width,
int x,
int dx) {
uint64_t src, dest;
(void)x;
(void)dx;
__asm__ volatile(
"1: \n\t"
"lwc1 %[src], 0x00(%[src_ptr]) \n\t"
"punpcklbh %[dest], %[src], %[src] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x04 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src] "=&f"(src), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst_ptr), [width] "r"(dst_width)
: "memory");
}
void ScaleColsUp2_16_MMI(uint16_t* dst_ptr,
const uint16_t* src_ptr,
int dst_width,
int x,
int dx) {
uint64_t src, dest;
(void)x;
(void)dx;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src], 0x07(%[src_ptr]) \n\t"
"punpcklhw %[dest], %[src], %[src] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"punpckhhw %[dest], %[src], %[src] \n\t"
"gssdlc1 %[dest], 0x0f(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x08 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src] "=&f"(src), [dest] "=&f"(dest)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst_ptr), [width] "r"(dst_width)
: "memory");
}
void ScaleAddRow_MMI(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width) {
uint64_t src, src_hi, src_lo, dest0, dest1;
const uint64_t mask = 0x0ULL;
__asm__ volatile(
"1: \n\t"
"gsldlc1 %[src], 0x07(%[src_ptr]) \n\t"
"gsldrc1 %[src], 0x00(%[src_ptr]) \n\t"
"punpcklbh %[src_lo], %[src], %[mask] \n\t"
"punpckhbh %[src_hi], %[src], %[mask] \n\t"
"gsldrc1 %[dest0], 0x00(%[dst_ptr]) \n\t"
"gsldlc1 %[dest0], 0x07(%[dst_ptr]) \n\t"
"paddush %[dest0], %[dest0], %[src_lo] \n\t"
"gsldrc1 %[dest1], 0x08(%[dst_ptr]) \n\t"
"gsldlc1 %[dest1], 0x0f(%[dst_ptr]) \n\t"
"paddush %[dest1], %[dest1], %[src_hi] \n\t"
"gssdlc1 %[dest0], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest0], 0x00(%[dst_ptr]) \n\t"
"gssdlc1 %[dest1], 0x0f(%[dst_ptr]) \n\t"
"gssdrc1 %[dest1], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x08 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [src_hi] "=&f"(src_hi),
[src_lo] "=&f"(src_lo), [src] "=&f"(src)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst_ptr), [width] "r"(src_width),
[mask] "f"(mask)
: "memory");
}
void ScaleAddRow_16_MMI(const uint16_t* src_ptr,
uint32_t* dst_ptr,
int src_width) {
uint64_t src, src_hi, src_lo, dest0, dest1;
const uint64_t mask = 0x0ULL;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src], 0x07(%[src_ptr]) \n\t"
"punpcklhw %[src_lo], %[src], %[mask] \n\t"
"punpckhhw %[src_hi], %[src], %[mask] \n\t"
"gsldrc1 %[dest0], 0x00(%[dst_ptr]) \n\t"
"gsldlc1 %[dest0], 0x07(%[dst_ptr]) \n\t"
"paddw %[dest0], %[dest0], %[src_lo] \n\t"
"gssdlc1 %[dest0], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest0], 0x00(%[dst_ptr]) \n\t"
"gsldrc1 %[dest1], 0x08(%[dst_ptr]) \n\t"
"gsldlc1 %[dest1], 0x0f(%[dst_ptr]) \n\t"
"paddw %[dest1], %[dest1], %[src_hi] \n\t"
"gssdlc1 %[dest1], 0x0f(%[dst_ptr]) \n\t"
"gssdrc1 %[dest1], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x08 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [src_hi] "=&f"(src_hi),
[src_lo] "=&f"(src_lo), [src] "=&f"(src)
: [src_ptr] "r"(src_ptr), [dst_ptr] "r"(dst_ptr), [width] "r"(src_width),
[mask] "f"(mask)
: "memory");
}
void ScaleARGBRowDownEven_MMI(const uint8_t* src_argb,
ptrdiff_t src_stride,
int src_stepx,
uint8_t* dst_argb,
int dst_width) {
(void)src_stride;
uint64_t src0, src1, dest;
__asm__ volatile(
"1: \n\t"
"lwc1 %[src0], 0x00(%[src_ptr]) \n\t"
"dadd %[src_ptr], %[src_ptr], %[src_stepx_4]\n\t"
"lwc1 %[src1], 0x00(%[src_ptr]) \n\t"
"punpcklwd %[dest], %[src0], %[src1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"dadd %[src_ptr], %[src_ptr], %[src_stepx_4]\n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x02 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest] "=&f"(dest)
: [src_ptr] "r"(src_argb), [dst_ptr] "r"(dst_argb),
[src_stepx_4] "r"(src_stepx << 2), [width] "r"(dst_width)
: "memory");
}
void ScaleARGBRowDownEvenBox_MMI(const uint8_t* src_argb,
ptrdiff_t src_stride,
int src_stepx,
uint8_t* dst_argb,
int dst_width) {
const uint8_t* src0_ptr = src_argb;
const uint8_t* src1_ptr = src_argb + src_stride;
uint64_t src0, src1, src_hi, src_lo;
uint64_t dest, dest_hi, dest_lo, dest0, dest1;
const uint64_t mask = 0x0ULL;
const uint64_t ph = 0x0002000200020002ULL;
const uint64_t shift = 0x2ULL;
__asm__ volatile(
"1: \n\t"
"lwc1 %[src0], 0x00(%[src0_ptr]) \n\t"
"punpcklbh %[dest_lo], %[src0], %[mask] \n\t"
"lwc1 %[src0], 0x04(%[src0_ptr]) \n\t"
"punpcklbh %[dest_hi], %[src0], %[mask] \n\t"
"lwc1 %[src1], 0x00(%[src1_ptr]) \n\t"
"punpcklbh %[src_lo], %[src1], %[mask] \n\t"
"lwc1 %[src1], 0x04(%[src1_ptr]) \n\t"
"punpcklbh %[src_hi], %[src1], %[mask] \n\t"
"paddh %[dest_lo], %[dest_lo], %[src_lo] \n\t"
"paddh %[dest_hi], %[dest_hi], %[src_hi] \n\t"
"paddh %[dest0], %[dest_hi], %[dest_lo] \n\t"
"paddh %[dest0], %[dest0], %[ph] \n\t"
"psrlh %[dest0], %[dest0], %[shift] \n\t"
"dadd %[src0_ptr], %[src0_ptr], %[src_stepx_4] \n\t"
"dadd %[src1_ptr], %[src1_ptr], %[src_stepx_4] \n\t"
"lwc1 %[src0], 0x00(%[src0_ptr]) \n\t"
"punpcklbh %[dest_lo], %[src0], %[mask] \n\t"
"lwc1 %[src0], 0x04(%[src0_ptr]) \n\t"
"punpcklbh %[dest_hi], %[src0], %[mask] \n\t"
"lwc1 %[src1], 0x00(%[src1_ptr]) \n\t"
"punpcklbh %[src_lo], %[src1], %[mask] \n\t"
"lwc1 %[src1], 0x04(%[src1_ptr]) \n\t"
"punpcklbh %[src_hi], %[src1], %[mask] \n\t"
"paddh %[dest_lo], %[dest_lo], %[src_lo] \n\t"
"paddh %[dest_hi], %[dest_hi], %[src_hi] \n\t"
"paddh %[dest1], %[dest_hi], %[dest_lo] \n\t"
"paddh %[dest1], %[dest1], %[ph] \n\t"
"psrlh %[dest1], %[dest1], %[shift] \n\t"
"packushb %[dest], %[dest0], %[dest1] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"dadd %[src0_ptr], %[src0_ptr], %[src_stepx_4] \n\t"
"dadd %[src1_ptr], %[src1_ptr], %[src_stepx_4] \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x08 \n\t"
"daddi %[width], %[width], -0x02 \n\t"
"bnez %[width], 1b \n\t"
: [src_hi] "=&f"(src_hi), [src_lo] "=&f"(src_lo),
[dest_hi] "=&f"(dest_hi), [dest_lo] "=&f"(dest_lo),
[dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [src0] "=&f"(src0),
[src1] "=&f"(src1), [dest] "=&f"(dest)
: [src0_ptr] "r"(src0_ptr), [src1_ptr] "r"(src1_ptr),
[dst_ptr] "r"(dst_argb), [width] "r"(dst_width),
[src_stepx_4] "r"(src_stepx << 2), [shift] "f"(shift), [mask] "f"(mask),
[ph] "f"(ph)
: "memory");
}
// Scales a single row of pixels using point sampling.
void ScaleARGBCols_MMI(uint8_t* dst_argb,
const uint8_t* src_argb,
int dst_width,
int x,
int dx) {
const uint32_t* src = (const uint32_t*)(src_argb);
uint32_t* dst = (uint32_t*)(dst_argb);
const uint32_t* src_tmp;
uint64_t dest, offset;
const uint64_t shift0 = 16;
const uint64_t shift1 = 2;
__asm__ volatile(
"1: \n\t"
"srav %[offset], %[x], %[shift0] \n\t"
"sllv %[offset], %[offset], %[shift1] \n\t"
"dadd %[src_tmp], %[src_ptr], %[offset] \n\t"
"lwc1 %[dest], 0x00(%[src_tmp]) \n\t"
"swc1 %[dest], 0x00(%[dst_ptr]) \n\t"
"dadd %[x], %[x], %[dx] \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x04 \n\t"
"daddi %[width], %[width], -0x01 \n\t"
"bnez %[width], 1b \n\t"
: [dest] "=&f"(dest), [offset] "=&r"(offset), [src_tmp] "=&r"(src_tmp)
: [src_ptr] "r"(src), [dst_ptr] "r"(dst), [width] "r"(dst_width),
[dx] "r"(dx), [x] "r"(x), [shift0] "r"(shift0), [shift1] "r"(shift1)
: "memory");
}
// Scales a single row of pixels up by 2x using point sampling.
void ScaleARGBColsUp2_MMI(uint8_t* dst_argb,
const uint8_t* src_argb,
int dst_width,
int x,
int dx) {
uint64_t src, dest0, dest1;
(void)x;
(void)dx;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src], 0x07(%[src_ptr]) \n\t"
"punpcklwd %[dest0], %[src], %[src] \n\t"
"gssdlc1 %[dest0], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest0], 0x00(%[dst_ptr]) \n\t"
"punpckhwd %[dest1], %[src], %[src] \n\t"
"gssdlc1 %[dest1], 0x0f(%[dst_ptr]) \n\t"
"gssdrc1 %[dest1], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x08 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x04 \n\t"
"bnez %[width], 1b \n\t"
: [dest0] "=&f"(dest0), [dest1] "=&f"(dest1), [src] "=&f"(src)
: [src_ptr] "r"(src_argb), [dst_ptr] "r"(dst_argb), [width] "r"(dst_width)
: "memory");
}
// Divide num by div and return as 16.16 fixed point result.
/* LibYUVBaseTest.TestFixedDiv */
int FixedDiv_MIPS(int num, int div) {
int quotient = 0;
const int shift = 16;
asm(
"dsll %[num], %[num], %[shift] \n\t"
"ddiv %[num], %[div] \t\n"
"mflo %[quo] \t\n"
: [quo] "+&r"(quotient)
: [num] "r"(num), [div] "r"(div), [shift] "r"(shift));
return quotient;
}
// Divide num by div and return as 16.16 fixed point result.
/* LibYUVScaleTest.ARGBScaleTo320x240_Linear */
int FixedDiv1_MIPS(int num, int div) {
int quotient = 0;
const int shift = 16;
const int val1 = 1;
const int64_t val11 = 0x00010001ULL;
asm(
"dsll %[num], %[num], %[shift] \n\t"
"dsub %[num], %[num], %[val11] \n\t"
"dsub %[div], %[div], %[val1] \n\t"
"ddiv %[num], %[div] \t\n"
"mflo %[quo] \t\n"
: [quo] "+&r"(quotient)
: [num] "r"(num), [div] "r"(div), [val1] "r"(val1), [val11] "r"(val11),
[shift] "r"(shift));
return quotient;
}
// Read 8x2 upsample with filtering and write 16x1.
// actually reads an extra pixel, so 9x2.
void ScaleRowUp2_16_MMI(const uint16_t* src_ptr,
ptrdiff_t src_stride,
uint16_t* dst,
int dst_width) {
const uint16_t* src2_ptr = src_ptr + src_stride;
uint64_t src0, src1;
uint64_t dest, dest04, dest15, dest26, dest37;
uint64_t tmp0, tmp1, tmp2, tmp3;
const uint64_t mask0 = 0x0003000900030009ULL;
const uint64_t mask1 = 0x0001000300010003ULL;
const uint64_t mask2 = 0x0009000300090003ULL;
const uint64_t mask3 = 0x0003000100030001ULL;
const uint64_t ph = 0x0000000800000008ULL;
const uint64_t shift = 4;
__asm__ volatile(
"1: \n\t"
"gsldrc1 %[src0], 0x00(%[src1_ptr]) \n\t"
"gsldlc1 %[src0], 0x07(%[src1_ptr]) \n\t"
"pmaddhw %[dest04], %[src0], %[mask0] \n\t"
"gsldrc1 %[src1], 0x00(%[src2_ptr]) \n\t"
"gsldlc1 %[src1], 0x07(%[src2_ptr]) \n\t"
"pmaddhw %[dest], %[src1], %[mask1] \n\t"
"paddw %[dest04], %[dest04], %[dest] \n\t"
"paddw %[dest04], %[dest04], %[ph] \n\t"
"psrlw %[dest04], %[dest04], %[shift] \n\t"
"pmaddhw %[dest15], %[src0], %[mask2] \n\t"
"pmaddhw %[dest], %[src1], %[mask3] \n\t"
"paddw %[dest15], %[dest15], %[dest] \n\t"
"paddw %[dest15], %[dest15], %[ph] \n\t"
"psrlw %[dest15], %[dest15], %[shift] \n\t"
"gsldrc1 %[src0], 0x02(%[src1_ptr]) \n\t"
"gsldlc1 %[src0], 0x09(%[src1_ptr]) \n\t"
"pmaddhw %[dest26], %[src0], %[mask0] \n\t"
"gsldrc1 %[src1], 0x02(%[src2_ptr]) \n\t"
"gsldlc1 %[src1], 0x09(%[src2_ptr]) \n\t"
"pmaddhw %[dest], %[src1], %[mask1] \n\t"
"paddw %[dest26], %[dest26], %[dest] \n\t"
"paddw %[dest26], %[dest26], %[ph] \n\t"
"psrlw %[dest26], %[dest26], %[shift] \n\t"
"pmaddhw %[dest37], %[src0], %[mask2] \n\t"
"pmaddhw %[dest], %[src1], %[mask3] \n\t"
"paddw %[dest37], %[dest37], %[dest] \n\t"
"paddw %[dest37], %[dest37], %[ph] \n\t"
"psrlw %[dest37], %[dest37], %[shift] \n\t"
/* tmp0 = ( 00 04 02 06 ) */
"packsswh %[tmp0], %[dest04], %[dest26] \n\t"
/* tmp1 = ( 01 05 03 07 ) */
"packsswh %[tmp1], %[dest15], %[dest37] \n\t"
/* tmp2 = ( 00 01 04 05 )*/
"punpcklhw %[tmp2], %[tmp0], %[tmp1] \n\t"
/* tmp3 = ( 02 03 06 07 )*/
"punpckhhw %[tmp3], %[tmp0], %[tmp1] \n\t"
/* ( 00 01 02 03 ) */
"punpcklwd %[dest], %[tmp2], %[tmp3] \n\t"
"gssdlc1 %[dest], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x00(%[dst_ptr]) \n\t"
/* ( 04 05 06 07 ) */
"punpckhwd %[dest], %[tmp2], %[tmp3] \n\t"
"gssdlc1 %[dest], 0x0f(%[dst_ptr]) \n\t"
"gssdrc1 %[dest], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src1_ptr], %[src1_ptr], 0x08 \n\t"
"daddiu %[src2_ptr], %[src2_ptr], 0x08 \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x08 \n\t"
"bnez %[width], 1b \n\t"
: [src0] "=&f"(src0), [src1] "=&f"(src1), [dest04] "=&f"(dest04),
[dest15] "=&f"(dest15), [dest26] "=&f"(dest26), [dest37] "=&f"(dest37),
[tmp0] "=&f"(tmp0), [tmp1] "=&f"(tmp1), [tmp2] "=&f"(tmp2),
[tmp3] "=&f"(tmp3), [dest] "=&f"(dest)
: [src1_ptr] "r"(src_ptr), [src2_ptr] "r"(src2_ptr), [dst_ptr] "r"(dst),
[width] "r"(dst_width), [mask0] "f"(mask0), [mask1] "f"(mask1),
[mask2] "f"(mask2), [mask3] "f"(mask3), [shift] "f"(shift), [ph] "f"(ph)
: "memory");
}
void ScaleRowDown34_MMI(const uint8_t* src_ptr,
ptrdiff_t src_stride,
uint8_t* dst,
int dst_width) {
(void)src_stride;
assert((dst_width % 3 == 0) && (dst_width > 0));
uint64_t src[2];
uint64_t tmp[2];
__asm__ volatile (
"1: \n\t"
"gsldlc1 %[src0], 0x07(%[src_ptr]) \n\t"
"gsldrc1 %[src0], 0x00(%[src_ptr]) \n\t"
"gsldlc1 %[src1], 0x0f(%[src_ptr]) \n\t"
"gsldrc1 %[src1], 0x08(%[src_ptr]) \n\t"
"and %[tmp1], %[src0], %[mask1] \n\t"
"psrlw %[tmp0], %[src0], %[rmov] \n\t"
"psllw %[tmp0], %[tmp0], %[lmov1] \n\t"
"or %[src0], %[tmp0], %[tmp1] \n\t"
"punpckhwd %[tmp0], %[src0], %[src0] \n\t"
"psllw %[tmp1], %[tmp0], %[rmov] \n\t"
"or %[src0], %[src0], %[tmp1] \n\t"
"psrlw %[tmp0], %[tmp0], %[rmov8] \n\t"
"pextrh %[tmp0], %[tmp0], %[zero] \n\t"
"pinsrh_2 %[src0], %[src0], %[tmp0] \n\t"
"pextrh %[tmp0], %[src1], %[zero] \n\t"
"pinsrh_3 %[src0], %[src0], %[tmp0] \n\t"
"punpckhwd %[tmp0], %[src1], %[src1] \n\t"
"pextrh %[tmp1], %[tmp0], %[zero] \n\t"
"psrlw %[src1], %[src1], %[rmov] \n\t"
"psllw %[tmp1], %[tmp1], %[rmov8] \n\t"
"or %[src1], %[src1], %[tmp1] \n\t"
"and %[tmp0], %[tmp0], %[mask2] \n\t"
"or %[src1], %[src1], %[tmp0] \n\t"
"gssdlc1 %[src0], 0x07(%[dst_ptr]) \n\t"
"gssdrc1 %[src0], 0x00(%[dst_ptr]) \n\t"
"gsswlc1 %[src1], 0x0b(%[dst_ptr]) \n\t"
"gsswrc1 %[src1], 0x08(%[dst_ptr]) \n\t"
"daddiu %[src_ptr], %[src_ptr], 0x10 \n\t"
"daddi %[width], %[width], -0x0c \n\t"
"daddiu %[dst_ptr], %[dst_ptr], 0x0c \n\t"
"bnez %[width], 1b \n\t"
: [src0]"=&f"(src[0]), [src1]"=&f"(src[1]),
[tmp0]"=&f"(tmp[0]), [tmp1]"=&f"(tmp[1])
: [src_ptr]"r"(src_ptr), [dst_ptr]"r"(dst),
[lmov]"f"(0xc), [rmov]"f"(0x18),
[mask1]"f"(0xffff0000ffff), [rmov8]"f"(0x8),
[zero]"f"(0x0), [mask2]"f"(0xff000000),
[width]"r"(dst_width), [lmov1]"f"(0x10)
: "memory"
);
}
// clang-format on
#endif // !defined(LIBYUV_DISABLE_MMI) && defined(_MIPS_ARCH_LOONGSON3A)
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif