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avcodec/mips/idctdsp_mmi: Version 2 of the optimizations for loongson mmi

Browse Source 
1. no longer use the register names directly and optimized code format
    2. to be compatible with O32, specify type of address variable with mips_reg and handle the address variable with PTR_ operator

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/191/merge
ZhouXiaoyong 9 years ago committed by Michael Niedermayer
parent 377e5db3db
commit 8392794c92
1 changed files with 154 additions and 136 deletions
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  1. 290
      libavcodec/mips/idctdsp_mmi.c

290
libavcodec/mips/idctdsp_mmi.c
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@ -23,63 +23,75 @@
#include "idctdsp_mips.h"
#include "constants.h"
#include "libavutil/mips/asmdefs.h"
void ff_put_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
const int16_t *p;
uint8_t *pix;
p = block;
pix = pixels;
double ftmp[8];
mips_reg addr[1];
__asm__ volatile (
"ldc1 $f0, 0+%3 \r\n"
"ldc1 $f2, 8+%3 \r\n"
"ldc1 $f4, 16+%3 \r\n"
"ldc1 $f6, 24+%3 \r\n"
"ldc1 $f8, 32+%3 \r\n"
"ldc1 $f10, 40+%3 \r\n"
"ldc1 $f12, 48+%3 \r\n"
"ldc1 $f14, 56+%3 \r\n"
"dadd $10, %0, %1 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"packushb $f8, $f8, $f10 \r\n"
"packushb $f12, $f12, $f14 \r\n"
"sdc1 $f0, 0(%0) \r\n"
"sdc1 $f4, 0($10) \r\n"
"gssdxc1 $f8, 0($10, %1) \r\n"
"gssdxc1 $f12, 0(%0, %2) \r\n"
::"r"(pix),"r"((int)line_size),
"r"((int)line_size*3),"m"(*p)
: "$10","memory"
"ldc1 %[ftmp0], 0x00(%[block]) \n\t"
"ldc1 %[ftmp1], 0x08(%[block]) \n\t"
"ldc1 %[ftmp2], 0x10(%[block]) \n\t"
"ldc1 %[ftmp3], 0x18(%[block]) \n\t"
"ldc1 %[ftmp4], 0x20(%[block]) \n\t"
"ldc1 %[ftmp5], 0x28(%[block]) \n\t"
"ldc1 %[ftmp6], 0x30(%[block]) \n\t"
"ldc1 %[ftmp7], 0x38(%[block]) \n\t"
PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t"
"packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
"packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
"packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
"sdc1 %[ftmp0], 0x00(%[pixels]) \n\t"
"sdc1 %[ftmp2], 0x00(%[addr0]) \n\t"
"gssdxc1 %[ftmp4], 0x00(%[addr0], %[line_size]) \n\t"
"gssdxc1 %[ftmp6], 0x00(%[pixels], %[line_sizex3]) \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]),
[addr0]"=&r"(addr[0]),
[pixels]"+&r"(pixels)
: [line_size]"r"((mips_reg)line_size),
[line_sizex3]"r"((mips_reg)(line_size*3)),
[block]"r"(block)
: "memory"
);
pix += line_size*4;
p += 32;
pixels += line_size*4;
block += 32;
__asm__ volatile (
"ldc1 $f0, 0+%3 \r\n"
"ldc1 $f2, 8+%3 \r\n"
"ldc1 $f4, 16+%3 \r\n"
"ldc1 $f6, 24+%3 \r\n"
"ldc1 $f8, 32+%3 \r\n"
"ldc1 $f10, 40+%3 \r\n"
"ldc1 $f12, 48+%3 \r\n"
"ldc1 $f14, 56+%3 \r\n"
"dadd $10, %0, %1 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"packushb $f8, $f8, $f10 \r\n"
"packushb $f12, $f12, $f14 \r\n"
"sdc1 $f0, 0(%0) \r\n"
"sdc1 $f4, 0($10) \r\n"
"gssdxc1 $f8, 0($10, %1) \r\n"
"gssdxc1 $f12, 0(%0, %2) \r\n"
::"r"(pix),"r"((int)line_size),
"r"((int)line_size*3),"m"(*p)
: "$10","memory"
"ldc1 %[ftmp0], 0x00(%[block]) \n\t"
"ldc1 %[ftmp1], 0x08(%[block]) \n\t"
"ldc1 %[ftmp2], 0x10(%[block]) \n\t"
"ldc1 %[ftmp3], 0x18(%[block]) \n\t"
"ldc1 %[ftmp4], 0x20(%[block]) \n\t"
"ldc1 %[ftmp5], 0x28(%[block]) \n\t"
"ldc1 %[ftmp6], 0x30(%[block]) \n\t"
"ldc1 %[ftmp7], 0x38(%[block]) \n\t"
PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t"
"packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
"packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
"packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
"packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
"sdc1 %[ftmp0], 0x00(%[pixels]) \n\t"
"sdc1 %[ftmp2], 0x00(%[addr0]) \n\t"
"gssdxc1 %[ftmp4], 0x00(%[addr0], %[line_size]) \n\t"
"gssdxc1 %[ftmp6], 0x00(%[pixels], %[line_sizex3]) \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]),
[addr0]"=&r"(addr[0]),
[pixels]"+&r"(pixels)
: [line_size]"r"((mips_reg)line_size),
[line_sizex3]"r"((mips_reg)(line_size*3)),
[block]"r"(block)
: "memory"
);
}
@ -87,104 +99,110 @@ void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
int64_t line_skip = line_size;
int64_t line_skip3;
int64_t line_skip3 = 0;
double ftmp[5];
mips_reg addr[1];
__asm__ volatile (
"dmtc1 %4, $f0 \n\t"
"daddu %1, %3, %3 \n\t"
"ldc1 $f2, 0(%2) \n\t"
"ldc1 $f10, 8(%2) \n\t"
"packsshb $f2, $f2, $f10 \n\t"
"ldc1 $f4, 16(%2) \n\t"
"ldc1 $f10, 24(%2) \n\t"
"packsshb $f4, $f4, $f10 \n\t"
"ldc1 $f6, 32(%2) \n\t"
"ldc1 $f10, 40(%2) \n\t"
"packsshb $f6, $f6, $f10 \n\t"
"ldc1 $f8, 48(%2) \n\t"
"ldc1 $f10, 56(%2) \n\t"
"packsshb $f8, $f8, $f10 \n\t"
"paddb $f2, $f2, $f0 \n\t"
"paddb $f4, $f4, $f0 \n\t"
"paddb $f6, $f6, $f0 \n\t"
"paddb $f8, $f8, $f0 \n\t"
"sdc1 $f2, 0(%0) \n\t"
"gssdxc1 $f4, 0(%0, %3) \n\t"
"gssdxc1 $f6, 0(%0, %1) \n\t"
"daddu %1, %1, %3 \n\t"
"gssdxc1 $f8, 0(%0, %1) \n\t"
"daddu $10, %1, %3 \n\t"
"daddu %0, %0, $10 \n\t"
"ldc1 $f2, 64(%2) \n\t"
"ldc1 $f10, 8+64(%2) \n\t"
"packsshb $f2, $f2, $f10 \n\t"
"ldc1 $f4, 16+64(%2) \n\t"
"ldc1 $f10, 24+64(%2) \n\t"
"packsshb $f4, $f4, $f10 \n\t"
"ldc1 $f6, 32+64(%2) \n\t"
"ldc1 $f10, 40+64(%2) \n\t"
"packsshb $f6, $f6, $f10 \n\t"
"ldc1 $f8, 48+64(%2) \n\t"
"ldc1 $f10, 56+64(%2) \n\t"
"packsshb $f8, $f8, $f10 \n\t"
"paddb $f2, $f2, $f0 \n\t"
"paddb $f4, $f4, $f0 \n\t"
"paddb $f6, $f6, $f0 \n\t"
"paddb $f8, $f8, $f0 \n\t"
"sdc1 $f2, 0(%0) \n\t"
"gssdxc1 $f4, 0(%0, %3) \n\t"
"daddu $10, %3, %3 \n\t"
"gssdxc1 $f6, 0(%0, $10) \n\t"
"gssdxc1 $f8, 0(%0, %1) \n\t"
: "+&r"(pixels),"=&r"(line_skip3)
: "r"(block),"r"(line_skip),"r"(ff_pb_80)
: "$10","memory"
PTR_ADDU "%[line_skip3], %[line_skip], %[line_skip] \n\t"
"ldc1 %[ftmp1], 0x00(%[block]) \n\t"
"ldc1 %[ftmp0], 0x08(%[block]) \n\t"
"packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"ldc1 %[ftmp2], 0x10(%[block]) \n\t"
"ldc1 %[ftmp0], 0x18(%[block]) \n\t"
"packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"ldc1 %[ftmp3], 0x20(%[block]) \n\t"
"ldc1 %[ftmp0], 0x28(%[block]) \n\t"
"packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"ldc1 %[ftmp4], 48(%[block]) \n\t"
"ldc1 %[ftmp0], 56(%[block]) \n\t"
"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"
"sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
"gssdxc1 %[ftmp2], 0x00(%[pixels], %[line_skip]) \n\t"
"gssdxc1 %[ftmp3], 0x00(%[pixels], %[line_skip3]) \n\t"
PTR_ADDU "%[line_skip3], %[line_skip3], %[line_skip] \n\t"
"gssdxc1 %[ftmp4], 0x00(%[pixels], %[line_skip3]) \n\t"
PTR_ADDU "%[addr0], %[line_skip3], %[line_skip] \n\t"
PTR_ADDU "%[pixels], %[pixels], %[addr0] \n\t"
"ldc1 %[ftmp1], 0x40(%[block]) \n\t"
"ldc1 %[ftmp0], 0x48(%[block]) \n\t"
"packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
"ldc1 %[ftmp2], 0x50(%[block]) \n\t"
"ldc1 %[ftmp0], 0x58(%[block]) \n\t"
"packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
"ldc1 %[ftmp3], 0x60(%[block]) \n\t"
"ldc1 %[ftmp0], 0x68(%[block]) \n\t"
"packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
"ldc1 %[ftmp4], 0x70(%[block]) \n\t"
"ldc1 %[ftmp0], 0x78(%[block]) \n\t"
"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"
"sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
"gssdxc1 %[ftmp2], 0x00(%[pixels], %[line_skip]) \n\t"
PTR_ADDU "%[addr0], %[line_skip], %[line_skip] \n\t"
"gssdxc1 %[ftmp3], 0x00(%[pixels], %[addr0]) \n\t"
"gssdxc1 %[ftmp4], 0x00(%[pixels], %[line_skip3]) \n\t"
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
[ftmp4]"=&f"(ftmp[4]),
[addr0]"=&r"(addr[0]),
[pixels]"+&r"(pixels), [line_skip3]"+&r"(line_skip3)
: [block]"r"(block),
[line_skip]"r"((mips_reg)line_skip),
[ff_pb_80]"f"(ff_pb_80)
: "memory"
);
}
void ff_add_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
const int16_t *p;
uint8_t *pix;
int i = 4;
p = block;
pix = pixels;
double ftmp[8];
uint64_t tmp[1];
__asm__ volatile (
"xor $f14, $f14, $f14 \r\n"
::
"li %[tmp0], 0x04 \n\t"
"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"1: \n\t"
"ldc1 %[ftmp1], 0x00(%[block]) \n\t"
"ldc1 %[ftmp2], 0x08(%[block]) \n\t"
"ldc1 %[ftmp3], 0x10(%[block]) \n\t"
"ldc1 %[ftmp4], 0x18(%[block]) \n\t"
"ldc1 %[ftmp5], 0x00(%[pixels]) \n\t"
"gsldxc1 %[ftmp6], 0x00(%[pixels], %[line_size]) \n\t"
"mov.d %[ftmp7], %[ftmp5] \n\t"
"punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
"punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
"paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
"paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t"
"mov.d %[ftmp7], %[ftmp6] \n\t"
"punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
"punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
"paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
"paddh %[ftmp4], %[ftmp4], %[ftmp7] \n\t"
"packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
"packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
"sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
"gssdxc1 %[ftmp3], 0x00(%[pixels], %[line_size]) \n\t"
"addi %[tmp0], %[tmp0], -0x01 \n\t"
PTR_ADDIU "%[block], %[block], 0x20 \n\t"
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
"bnez %[tmp0], 1b"
: [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]),
[tmp0]"=&r"(tmp[0]),
[pixels]"+&r"(pixels), [block]"+&r"(block)
: [line_size]"r"((mips_reg)line_size)
: "memory"
);
do {
__asm__ volatile (
"ldc1 $f0, 0+%2 \r\n"
"ldc1 $f2, 8+%2 \r\n"
"ldc1 $f4, 16+%2 \r\n"
"ldc1 $f6, 24+%2 \r\n"
"ldc1 $f8, %0 \r\n"
"ldc1 $f12, %1 \r\n"
"mov.d $f10, $f8 \r\n"
"punpcklbh $f8, $f8, $f14 \r\n"
"punpckhbh $f10, $f10, $f14 \r\n"
"paddsh $f0, $f0, $f8 \r\n"
"paddsh $f2, $f2, $f10 \r\n"
"mov.d $f10, $f12 \r\n"
"punpcklbh $f12, $f12, $f14 \r\n"
"punpckhbh $f10, $f10, $f14 \r\n"
"paddsh $f4, $f4, $f12 \r\n"
"paddsh $f6, $f6, $f10 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"sdc1 $f0, %0 \r\n"
"sdc1 $f4, %1 \r\n"
: "+m"(*pix),"+m"(*(pix+line_size))
: "m"(*p)
: "memory"
);
pix += line_size*2;
p += 16;
} while (--i);
}

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