1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavcodec/mips/mpegvideo_mmi.c
Jin Bo fd5fd48659 libavcodec/mips: Fix build errors reported by clang
Clang is more strict on the type of asm operands, float or double
type variable should use constraint 'f', integer variable should
use constraint 'r'.

Signed-off-by: Jin Bo <jinbo@loongson.cn>
Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-03 13:44:00 +02:00

509 lines
26 KiB
C

/*
* Loongson SIMD optimized mpegvideo
*
* Copyright (c) 2015 Loongson Technology Corporation Limited
* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
* Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mpegvideo_mips.h"
#include "libavutil/mips/mmiutils.h"
void ff_dct_unquantize_h263_intra_mmi(MpegEncContext *s, int16_t *block,
int n, int qscale)
{
int64_t level, nCoeffs;
double ftmp[6];
mips_reg addr[1];
union mmi_intfloat64 qmul_u, qadd_u;
DECLARE_VAR_ALL64;
qmul_u.i = qscale << 1;
av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
if (!s->h263_aic) {
if (n<4)
level = block[0] * s->y_dc_scale;
else
level = block[0] * s->c_dc_scale;
qadd_u.i = (qscale-1) | 1;
} else {
qadd_u.i = 0;
level = block[0];
}
if(s->ac_pred)
nCoeffs = 63;
else
nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
__asm__ volatile (
"pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"packsswh %[qmul], %[qmul], %[qmul] \n\t"
"packsswh %[qmul], %[qmul], %[qmul] \n\t"
"packsswh %[qadd], %[qadd], %[qadd] \n\t"
"packsswh %[qadd], %[qadd], %[qadd] \n\t"
"psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
"pxor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
".p2align 4 \n\t"
"1: \n\t"
PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
MMI_LDC1(%[ftmp1], %[addr0], 0x00)
MMI_LDC1(%[ftmp2], %[addr0], 0x08)
"mov.d %[ftmp3], %[ftmp1] \n\t"
"mov.d %[ftmp4], %[ftmp2] \n\t"
"pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
"pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
"pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
"pxor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
"pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
MMI_SDC1(%[ftmp1], %[addr0], 0x00)
MMI_SDC1(%[ftmp2], %[addr0], 0x08)
"blez %[nCoeffs], 1b \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]),
RESTRICT_ASM_ALL64
[addr0]"=&r"(addr[0])
: [block]"r"((mips_reg)(block+nCoeffs)),
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
[qmul]"f"(qmul_u.f), [qadd]"f"(qadd_u.f)
: "memory"
);
block[0] = level;
}
void ff_dct_unquantize_h263_inter_mmi(MpegEncContext *s, int16_t *block,
int n, int qscale)
{
int64_t nCoeffs;
double ftmp[6];
mips_reg addr[1];
union mmi_intfloat64 qmul_u, qadd_u;
DECLARE_VAR_ALL64;
qmul_u.i = qscale << 1;
qadd_u.i = (qscale - 1) | 1;
av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
__asm__ volatile (
"packsswh %[qmul], %[qmul], %[qmul] \n\t"
"packsswh %[qmul], %[qmul], %[qmul] \n\t"
"pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"packsswh %[qadd], %[qadd], %[qadd] \n\t"
"packsswh %[qadd], %[qadd], %[qadd] \n\t"
"psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
"pxor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
".p2align 4 \n\t"
"1: \n\t"
PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
MMI_LDC1(%[ftmp1], %[addr0], 0x00)
MMI_LDC1(%[ftmp2], %[addr0], 0x08)
"mov.d %[ftmp3], %[ftmp1] \n\t"
"mov.d %[ftmp4], %[ftmp2] \n\t"
"pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
"pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
"pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
"pxor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
"pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
MMI_SDC1(%[ftmp1], %[addr0], 0x00)
MMI_SDC1(%[ftmp2], %[addr0], 0x08)
"blez %[nCoeffs], 1b \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]),
RESTRICT_ASM_ALL64
[addr0]"=&r"(addr[0])
: [block]"r"((mips_reg)(block+nCoeffs)),
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
[qmul]"f"(qmul_u.f), [qadd]"f"(qadd_u.f)
: "memory"
);
}
void ff_dct_unquantize_mpeg1_intra_mmi(MpegEncContext *s, int16_t *block,
int n, int qscale)
{
int64_t nCoeffs;
const uint16_t *quant_matrix;
int block0;
double ftmp[10];
uint64_t tmp[1];
mips_reg addr[1];
DECLARE_VAR_ALL64;
DECLARE_VAR_ADDRT;
av_assert2(s->block_last_index[n]>=0);
nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
if (n<4)
block0 = block[0] * s->y_dc_scale;
else
block0 = block[0] * s->c_dc_scale;
/* XXX: only mpeg1 */
quant_matrix = s->intra_matrix;
__asm__ volatile (
"dli %[tmp0], 0x0f \n\t"
"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"dmtc1 %[tmp0], %[ftmp4] \n\t"
"dmtc1 %[qscale], %[ftmp1] \n\t"
"psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
"or %[addr0], %[nCoeffs], $0 \n\t"
".p2align 4 \n\t"
"1: \n\t"
MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
"mov.d %[ftmp4], %[ftmp2] \n\t"
"mov.d %[ftmp5], %[ftmp3] \n\t"
MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
"pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
"pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
"pxor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
"pxor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
"pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
"pxor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
"pxor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
"dli %[tmp0], 0x03 \n\t"
"pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
"dmtc1 %[tmp0], %[ftmp4] \n\t"
"psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"por %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"por %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
"bltz %[addr0], 1b \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]),
[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
[tmp0]"=&r"(tmp[0]),
RESTRICT_ASM_ALL64
RESTRICT_ASM_ADDRT
[addr0]"=&r"(addr[0])
: [block]"r"((mips_reg)(block+nCoeffs)),
[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
[qscale]"r"(qscale)
: "memory"
);
block[0] = block0;
}
void ff_dct_unquantize_mpeg1_inter_mmi(MpegEncContext *s, int16_t *block,
int n, int qscale)
{
int64_t nCoeffs;
const uint16_t *quant_matrix;
double ftmp[10];
uint64_t tmp[1];
mips_reg addr[1];
DECLARE_VAR_ALL64;
DECLARE_VAR_ADDRT;
av_assert2(s->block_last_index[n] >= 0);
nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
quant_matrix = s->inter_matrix;
__asm__ volatile (
"dli %[tmp0], 0x0f \n\t"
"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"dmtc1 %[tmp0], %[ftmp4] \n\t"
"dmtc1 %[qscale], %[ftmp1] \n\t"
"psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
"or %[addr0], %[nCoeffs], $0 \n\t"
".p2align 4 \n\t"
"1: \n\t"
MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
"mov.d %[ftmp4], %[ftmp2] \n\t"
"mov.d %[ftmp5], %[ftmp3] \n\t"
MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
"pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
"pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
"pxor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
"pxor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
"pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
"paddh %[ftmp3], %[ftmp3], %[ftmp3] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"paddh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
"pxor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
"pxor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
"dli %[tmp0], 0x04 \n\t"
"pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
"dmtc1 %[tmp0], %[ftmp4] \n\t"
"psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"por %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"por %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
"bltz %[addr0], 1b \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]),
[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
[tmp0]"=&r"(tmp[0]),
RESTRICT_ASM_ALL64
RESTRICT_ASM_ADDRT
[addr0]"=&r"(addr[0])
: [block]"r"((mips_reg)(block+nCoeffs)),
[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
[qscale]"r"(qscale)
: "memory"
);
}
void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block,
int n, int qscale)
{
uint64_t nCoeffs;
const uint16_t *quant_matrix;
int block0;
double ftmp[10];
uint64_t tmp[1];
mips_reg addr[1];
DECLARE_VAR_ALL64;
DECLARE_VAR_ADDRT;
assert(s->block_last_index[n]>=0);
if (s->alternate_scan)
nCoeffs = 63;
else
nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]];
if (n < 4)
block0 = block[0] * s->y_dc_scale;
else
block0 = block[0] * s->c_dc_scale;
quant_matrix = s->intra_matrix;
__asm__ volatile (
"dli %[tmp0], 0x0f \n\t"
"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"mtc1 %[tmp0], %[ftmp3] \n\t"
"mtc1 %[qscale], %[ftmp9] \n\t"
"psrlh %[ftmp0], %[ftmp0], %[ftmp3] \n\t"
"packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
"packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
"or %[addr0], %[nCoeffs], $0 \n\t"
".p2align 4 \n\t"
"1: \n\t"
MMI_LDXC1(%[ftmp1], %[addr0], %[block], 0x00)
MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x08)
"mov.d %[ftmp3], %[ftmp1] \n\t"
"mov.d %[ftmp4], %[ftmp2] \n\t"
MMI_LDXC1(%[ftmp5], %[addr0], %[quant], 0x00)
MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x08)
"pmullh %[ftmp5], %[ftmp5], %[ftmp9] \n\t"
"pmullh %[ftmp6], %[ftmp6], %[ftmp9] \n\t"
"pxor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
"pxor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
"pcmpgth %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pmullh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
"pxor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
"pxor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
"pcmpeqh %[ftmp5], %[ftmp5], %[ftmp3] \n\t"
"dli %[tmp0], 0x03 \n\t"
"pcmpeqh %[ftmp6] , %[ftmp6], %[ftmp4] \n\t"
"mtc1 %[tmp0], %[ftmp3] \n\t"
"psrah %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"psrah %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
"pxor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pandn %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
MMI_SDXC1(%[ftmp5], %[addr0], %[block], 0x00)
MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x08)
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
"blez %[addr0], 1b \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]),
[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
[tmp0]"=&r"(tmp[0]),
RESTRICT_ASM_ALL64
RESTRICT_ASM_ADDRT
[addr0]"=&r"(addr[0])
: [block]"r"((mips_reg)(block+nCoeffs)),
[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
[qscale]"r"(qscale)
: "memory"
);
block[0]= block0;
}
void ff_denoise_dct_mmi(MpegEncContext *s, int16_t *block)
{
const int intra = s->mb_intra;
int *sum = s->dct_error_sum[intra];
uint16_t *offset = s->dct_offset[intra];
double ftmp[8];
mips_reg addr[1];
DECLARE_VAR_ALL64;
s->dct_count[intra]++;
__asm__ volatile(
"pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"1: \n\t"
MMI_LDC1(%[ftmp1], %[block], 0x00)
"pxor %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
MMI_LDC1(%[ftmp3], %[block], 0x08)
"pxor %[ftmp4], %[ftmp4], %[ftmp4] \n\t"
"pcmpgth %[ftmp2], %[ftmp2], %[ftmp1] \n\t"
"pcmpgth %[ftmp4], %[ftmp4], %[ftmp3] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
MMI_LDC1(%[ftmp6], %[offset], 0x00)
"mov.d %[ftmp5], %[ftmp1] \n\t"
"psubush %[ftmp1], %[ftmp1], %[ftmp6] \n\t"
MMI_LDC1(%[ftmp6], %[offset], 0x08)
"mov.d %[ftmp7], %[ftmp3] \n\t"
"psubush %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
"pxor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"pxor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
MMI_SDC1(%[ftmp1], %[block], 0x00)
MMI_SDC1(%[ftmp3], %[block], 0x08)
"mov.d %[ftmp1], %[ftmp5] \n\t"
"mov.d %[ftmp3], %[ftmp7] \n\t"
"punpcklhw %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
"punpckhhw %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"punpcklhw %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
"punpckhhw %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp2], %[sum], 0x00)
"paddw %[ftmp5], %[ftmp5], %[ftmp2] \n\t"
MMI_LDC1(%[ftmp2], %[sum], 0x08)
"paddw %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
MMI_LDC1(%[ftmp2], %[sum], 0x10)
"paddw %[ftmp7], %[ftmp7], %[ftmp2] \n\t"
MMI_LDC1(%[ftmp2], %[sum], 0x18)
"paddw %[ftmp3], %[ftmp3], %[ftmp2] \n\t"
MMI_SDC1(%[ftmp5], %[sum], 0x00)
MMI_SDC1(%[ftmp1], %[sum], 0x08)
MMI_SDC1(%[ftmp7], %[sum], 0x10)
MMI_SDC1(%[ftmp3], %[sum], 0x18)
PTR_ADDIU "%[block], %[block], 0x10 \n\t"
PTR_ADDIU "%[sum], %[sum], 0x20 \n\t"
PTR_SUBU "%[addr0], %[block1], %[block] \n\t"
PTR_ADDIU "%[offset], %[offset], 0x10 \n\t"
"bgtz %[addr0], 1b \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]),
RESTRICT_ASM_ALL64
[addr0]"=&r"(addr[0]),
[block]"+&r"(block), [sum]"+&r"(sum),
[offset]"+&r"(offset)
: [block1]"r"(block+64)
: "memory"
);
}