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FFmpeg/libavcodec/mips/idctdsp_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

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9.3 KiB
C
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/*
* Loongson SIMD optimized idctdsp
*
* Copyright (c) 2015 Loongson Technology Corporation Limited
* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.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 "idctdsp_mips.h"
#include "constants.h"
#include "libavutil/mips/mmiutils.h"
void ff_put_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
double ftmp[8];
__asm__ volatile (
MMI_LDC1(%[ftmp0], %[block], 0x00)
MMI_LDC1(%[ftmp1], %[block], 0x08)
MMI_LDC1(%[ftmp2], %[block], 0x10)
MMI_LDC1(%[ftmp3], %[block], 0x18)
MMI_LDC1(%[ftmp4], %[block], 0x20)
MMI_LDC1(%[ftmp5], %[block], 0x28)
MMI_LDC1(%[ftmp6], %[block], 0x30)
MMI_LDC1(%[ftmp7], %[block], 0x38)
"packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
"packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
"packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
MMI_SDC1(%[ftmp0], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp2], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp4], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp6], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_LDC1(%[ftmp0], %[block], 0x40)
MMI_LDC1(%[ftmp1], %[block], 0x48)
MMI_LDC1(%[ftmp2], %[block], 0x50)
MMI_LDC1(%[ftmp3], %[block], 0x58)
MMI_LDC1(%[ftmp4], %[block], 0x60)
MMI_LDC1(%[ftmp5], %[block], 0x68)
MMI_LDC1(%[ftmp6], %[block], 0x70)
MMI_LDC1(%[ftmp7], %[block], 0x78)
"packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
"packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
"packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
MMI_SDC1(%[ftmp0], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp2], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp4], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp6], %[pixels], 0x00)
: [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]),
[pixels]"+&r"(pixels)
: [line_size]"r"((mips_reg)line_size),
[block]"r"(block)
: "memory"
);
}
void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
double ftmp[5];
__asm__ volatile (
MMI_LDC1(%[ftmp1], %[block], 0x00)
MMI_LDC1(%[ftmp0], %[block], 0x08)
"packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp2], %[block], 0x10)
MMI_LDC1(%[ftmp0], %[block], 0x18)
"packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp3], %[block], 0x20)
MMI_LDC1(%[ftmp0], %[block], 0x28)
"packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp4], %[block], 0x30)
MMI_LDC1(%[ftmp0], %[block], 0x38)
"packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
"paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t"
"paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t"
"paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t"
"paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t"
MMI_SDC1(%[ftmp1], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp2], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp3], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp4], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_LDC1(%[ftmp1], %[block], 0x40)
MMI_LDC1(%[ftmp0], %[block], 0x48)
"packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp2], %[block], 0x50)
MMI_LDC1(%[ftmp0], %[block], 0x58)
"packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp3], %[block], 0x60)
MMI_LDC1(%[ftmp0], %[block], 0x68)
"packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
MMI_LDC1(%[ftmp4], %[block], 0x70)
MMI_LDC1(%[ftmp0], %[block], 0x78)
"packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
"paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t"
"paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t"
"paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t"
"paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t"
MMI_SDC1(%[ftmp1], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp2], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp3], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp4], %[pixels], 0x00)
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
[ftmp4]"=&f"(ftmp[4]),
[pixels]"+&r"(pixels)
: [block]"r"(block),
[line_size]"r"((mips_reg)line_size),
[ff_pb_80]"f"(ff_pb_80.f)
: "memory"
);
}
void ff_add_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
double ftmp[9];
uint64_t tmp[1];
__asm__ volatile (
"li %[tmp0], 0x04 \n\t"
"pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"1: \n\t"
MMI_LDC1(%[ftmp5], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_LDC1(%[ftmp6], %[pixels], 0x00)
PTR_SUBU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_LDC1(%[ftmp1], %[block], 0x00)
MMI_LDC1(%[ftmp2], %[block], 0x08)
MMI_LDC1(%[ftmp3], %[block], 0x10)
MMI_LDC1(%[ftmp4], %[block], 0x18)
PTR_ADDIU "%[block], %[block], 0x20 \n\t"
"punpckhbh %[ftmp7], %[ftmp5], %[ftmp0] \n\t"
"punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
"punpckhbh %[ftmp8], %[ftmp6], %[ftmp0] \n\t"
"punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
"paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t"
"paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
"paddh %[ftmp4], %[ftmp4], %[ftmp8] \n\t"
"packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
MMI_SDC1(%[ftmp1], %[pixels], 0x00)
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
MMI_SDC1(%[ftmp3], %[pixels], 0x00)
"addi %[tmp0], %[tmp0], -0x01 \n\t"
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
"bnez %[tmp0], 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]), [tmp0]"=&r"(tmp[0]),
[pixels]"+&r"(pixels), [block]"+&r"(block)
: [line_size]"r"((mips_reg)line_size)
: "memory"
);
}
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