ref: dc9a7f15784493958f89338edb66aac1dacada44
dir: /vp8/common/mips/mmi/dequantize_mmi.c/
/*
* Copyright (c) 2017 The WebM 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 "./vp8_rtcd.h"
#include "vp8/common/blockd.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/asmdefs_mmi.h"
void vp8_dequantize_b_mmi(BLOCKD *d, int16_t *DQC) {
double ftmp[8];
__asm__ volatile(
"gsldlc1 %[ftmp0], 0x07(%[qcoeff]) \n\t"
"gsldrc1 %[ftmp0], 0x00(%[qcoeff]) \n\t"
"gsldlc1 %[ftmp1], 0x0f(%[qcoeff]) \n\t"
"gsldrc1 %[ftmp1], 0x08(%[qcoeff]) \n\t"
"gsldlc1 %[ftmp2], 0x17(%[qcoeff]) \n\t"
"gsldrc1 %[ftmp2], 0x10(%[qcoeff]) \n\t"
"gsldlc1 %[ftmp3], 0x1f(%[qcoeff]) \n\t"
"gsldrc1 %[ftmp3], 0x18(%[qcoeff]) \n\t"
"gsldlc1 %[ftmp4], 0x07(%[DQC]) \n\t"
"gsldrc1 %[ftmp4], 0x00(%[DQC]) \n\t"
"gsldlc1 %[ftmp5], 0x0f(%[DQC]) \n\t"
"gsldrc1 %[ftmp5], 0x08(%[DQC]) \n\t"
"gsldlc1 %[ftmp6], 0x17(%[DQC]) \n\t"
"gsldrc1 %[ftmp6], 0x10(%[DQC]) \n\t"
"gsldlc1 %[ftmp7], 0x1f(%[DQC]) \n\t"
"gsldrc1 %[ftmp7], 0x18(%[DQC]) \n\t"
"pmullh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
"pmullh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
"gssdlc1 %[ftmp0], 0x07(%[dqcoeff]) \n\t"
"gssdrc1 %[ftmp0], 0x00(%[dqcoeff]) \n\t"
"gssdlc1 %[ftmp1], 0x0f(%[dqcoeff]) \n\t"
"gssdrc1 %[ftmp1], 0x08(%[dqcoeff]) \n\t"
"gssdlc1 %[ftmp2], 0x17(%[dqcoeff]) \n\t"
"gssdrc1 %[ftmp2], 0x10(%[dqcoeff]) \n\t"
"gssdlc1 %[ftmp3], 0x1f(%[dqcoeff]) \n\t"
"gssdrc1 %[ftmp3], 0x18(%[dqcoeff]) \n\t"
: [ftmp0] "=&f"(ftmp[0]), [ftmp1] "=&f"(ftmp[1]), [ftmp2] "=&f"(ftmp[2]),
[ftmp3] "=&f"(ftmp[3]), [ftmp4] "=&f"(ftmp[4]), [ftmp5] "=&f"(ftmp[5]),
[ftmp6] "=&f"(ftmp[6]), [ftmp7] "=&f"(ftmp[7])
: [dqcoeff] "r"(d->dqcoeff), [qcoeff] "r"(d->qcoeff), [DQC] "r"(DQC)
: "memory");
}
void vp8_dequant_idct_add_mmi(int16_t *input, int16_t *dq, unsigned char *dest,
int stride) {
double ftmp[8];
__asm__ volatile(
"gsldlc1 %[ftmp0], 0x07(%[dq]) \n\t"
"gsldrc1 %[ftmp0], 0x00(%[dq]) \n\t"
"gsldlc1 %[ftmp1], 0x0f(%[dq]) \n\t"
"gsldrc1 %[ftmp1], 0x08(%[dq]) \n\t"
"gsldlc1 %[ftmp2], 0x17(%[dq]) \n\t"
"gsldrc1 %[ftmp2], 0x10(%[dq]) \n\t"
"gsldlc1 %[ftmp3], 0x1f(%[dq]) \n\t"
"gsldrc1 %[ftmp3], 0x18(%[dq]) \n\t"
"gsldlc1 %[ftmp4], 0x07(%[input]) \n\t"
"gsldrc1 %[ftmp4], 0x00(%[input]) \n\t"
"gsldlc1 %[ftmp5], 0x0f(%[input]) \n\t"
"gsldrc1 %[ftmp5], 0x08(%[input]) \n\t"
"gsldlc1 %[ftmp6], 0x17(%[input]) \n\t"
"gsldrc1 %[ftmp6], 0x10(%[input]) \n\t"
"gsldlc1 %[ftmp7], 0x1f(%[input]) \n\t"
"gsldrc1 %[ftmp7], 0x18(%[input]) \n\t"
"pmullh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
"pmullh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
"gssdlc1 %[ftmp0], 0x07(%[input]) \n\t"
"gssdrc1 %[ftmp0], 0x00(%[input]) \n\t"
"gssdlc1 %[ftmp1], 0x0f(%[input]) \n\t"
"gssdrc1 %[ftmp1], 0x08(%[input]) \n\t"
"gssdlc1 %[ftmp2], 0x17(%[input]) \n\t"
"gssdrc1 %[ftmp2], 0x10(%[input]) \n\t"
"gssdlc1 %[ftmp3], 0x1f(%[input]) \n\t"
"gssdrc1 %[ftmp3], 0x18(%[input]) \n\t"
: [ftmp0] "=&f"(ftmp[0]), [ftmp1] "=&f"(ftmp[1]), [ftmp2] "=&f"(ftmp[2]),
[ftmp3] "=&f"(ftmp[3]), [ftmp4] "=&f"(ftmp[4]), [ftmp5] "=&f"(ftmp[5]),
[ftmp6] "=&f"(ftmp[6]), [ftmp7] "=&f"(ftmp[7])
: [dq] "r"(dq), [input] "r"(input)
: "memory");
vp8_short_idct4x4llm_mmi(input, dest, stride, dest, stride);
__asm__ volatile(
"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"gssdlc1 %[ftmp0], 0x07(%[input]) \n\t"
"gssdrc1 %[ftmp0], 0x00(%[input]) \n\t"
"sdl $0, 0x0f(%[input]) \n\t"
"sdr $0, 0x08(%[input]) \n\t"
"gssdlc1 %[ftmp0], 0x17(%[input]) \n\t"
"gssdrc1 %[ftmp0], 0x10(%[input]) \n\t"
"sdl $0, 0x1f(%[input]) \n\t"
"sdr $0, 0x18(%[input]) \n\t"
: [ftmp0] "=&f"(ftmp[0])
: [input] "r"(input)
: "memory");
}