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FFmpeg/libavcodec/i386/dsputil_mmx_avg.h
Reimar Döffinger f2217d6f90 __asm __volatile -> asm volatile part 2 
Originally committed as revision 12189 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-24 14:47:42 +00:00

901 lines
37 KiB
C
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/*
* DSP utils : average functions are compiled twice for 3dnow/mmx2
* Copyright (c) 2000, 2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
* mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
* and improved by Zdenek Kabelac <kabi@users.sf.net>
*
* 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
*/
/* This header intentionally has no multiple inclusion guards. It is meant to
* be included multiple times and generates different code depending on the
* value of certain #defines. */
/* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm
clobber bug - now it will work with 2.95.2 and also with -fPIC
*/
static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm1 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm1 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
"add %%"REG_a", %1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movd (%1), %%mm0 \n\t"
"movd (%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $4, %2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"movd (%2), %%mm2 \n\t"
"movd 4(%2), %%mm3 \n\t"
"add %4, %1 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movd %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"movd 8(%2), %%mm2 \n\t"
"movd 12(%2), %%mm3 \n\t"
"add %4, %1 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movd %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"add $16, %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
}
static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $8, %2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" 16(%2), %%mm0 \n\t"
PAVGB" 24(%2), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"pcmpeqb %%mm6, %%mm6 \n\t"
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $8, %2 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
"movq (%2), %%mm2 \n\t"
"movq 8(%2), %%mm3 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"pxor %%mm6, %%mm3 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
"movq 16(%2), %%mm2 \n\t"
"movq 24(%2), %%mm3 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"pxor %%mm6, %%mm3 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movd (%1), %%mm0 \n\t"
"movd (%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $4, %2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 4(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
PAVGB" (%3), %%mm1 \n\t"
"movd %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"movd (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" 8(%2), %%mm0 \n\t"
PAVGB" 12(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movd %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
PAVGB" (%3), %%mm1 \n\t"
"movd %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"add $16, %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
}
static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $8, %2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
PAVGB" (%3), %%mm1 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"add %4, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" 16(%2), %%mm0 \n\t"
PAVGB" 24(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
"movq %%mm0, (%3) \n\t"
"add %5, %3 \n\t"
PAVGB" (%3), %%mm1 \n\t"
"movq %%mm1, (%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq 8(%1), %%mm2 \n\t"
"movq 8(%1, %3), %%mm3 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
PAVGB" 9(%1), %%mm2 \n\t"
PAVGB" 9(%1, %3), %%mm3 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"movq %%mm2, 8(%2) \n\t"
"movq %%mm3, 8(%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq 8(%1), %%mm2 \n\t"
"movq 8(%1, %3), %%mm3 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
PAVGB" 9(%1), %%mm2 \n\t"
PAVGB" 9(%1, %3), %%mm3 \n\t"
"add %%"REG_a", %1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"movq %%mm2, 8(%2) \n\t"
"movq %%mm3, 8(%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $16, %2 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" 16(%2), %%mm0 \n\t"
PAVGB" 24(%2), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
"add %4, %1 \n\t"
"add $16, %2 \n\t"
PAVGB" (%3), %%mm0 \n\t"
PAVGB" 8(%3), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" 8(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
PAVGB" 8(%3), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
PAVGB" 16(%2), %%mm0 \n\t"
PAVGB" 24(%2), %%mm1 \n\t"
PAVGB" (%3), %%mm0 \n\t"
PAVGB" 8(%3), %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
{
asm volatile(
"pcmpeqb %%mm6, %%mm6 \n\t"
"testl $1, %0 \n\t"
" jz 1f \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"movq (%2), %%mm2 \n\t"
"movq 8(%2), %%mm3 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"pxor %%mm6, %%mm3 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"add %4, %1 \n\t"
"add $16, %2 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
"movq (%2), %%mm2 \n\t"
"movq 8(%2), %%mm3 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"pxor %%mm6, %%mm3 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm1 \n\t"
"add %4, %1 \n\t"
"movq 16(%2), %%mm2 \n\t"
"movq 24(%2), %%mm3 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"pxor %%mm6, %%mm3 \n\t"
PAVGB" %%mm2, %%mm0 \n\t"
PAVGB" %%mm3, %%mm1 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm1 \n\t"
"movq %%mm0, (%3) \n\t"
"movq %%mm1, 8(%3) \n\t"
"add %5, %3 \n\t"
"add $32, %2 \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#else
:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
#endif
:"S"((long)src1Stride), "D"((long)dstStride)
:"memory");
//the following should be used, though better not with gcc ...
/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
:"r"(src1Stride), "r"(dstStride)
:"memory");*/
}
/* GL: this function does incorrect rounding if overflow */
static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
MOVQ_BONE(mm6);
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm2 \n\t"
"movq 1(%1), %%mm1 \n\t"
"movq 1(%1, %3), %%mm3 \n\t"
"add %%"REG_a", %1 \n\t"
"psubusb %%mm6, %%mm0 \n\t"
"psubusb %%mm6, %%mm2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm3, %%mm2 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm2, (%2, %3) \n\t"
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm1 \n\t"
"movq (%1, %3), %%mm2 \n\t"
"movq 1(%1, %3), %%mm3 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
"psubusb %%mm6, %%mm0 \n\t"
"psubusb %%mm6, %%mm2 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm3, %%mm2 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm2, (%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
"sub %3, %2 \n\t"
"1: \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm2, %%mm1 \n\t"
"movq %%mm0, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" %%mm1, %%mm2 \n\t"
PAVGB" %%mm0, %%mm1 \n\t"
"movq %%mm2, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D" (block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
/* GL: this function does incorrect rounding if overflow */
static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
MOVQ_BONE(mm6);
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
"sub %3, %2 \n\t"
"1: \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
"add %%"REG_a", %1 \n\t"
"psubusb %%mm6, %%mm1 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm2, %%mm1 \n\t"
"movq %%mm0, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
"psubusb %%mm6, %%mm1 \n\t"
PAVGB" %%mm1, %%mm2 \n\t"
PAVGB" %%mm0, %%mm1 \n\t"
"movq %%mm2, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D" (block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"1: \n\t"
"movq (%2), %%mm0 \n\t"
"movq (%2, %3), %%mm1 \n\t"
PAVGB" (%1), %%mm0 \n\t"
PAVGB" (%1, %3), %%mm1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"movq (%2), %%mm0 \n\t"
"movq (%2, %3), %%mm1 \n\t"
PAVGB" (%1), %%mm0 \n\t"
PAVGB" (%1, %3), %%mm1 \n\t"
"add %%"REG_a", %1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm2 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm2 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" (%2, %3), %%mm2 \n\t"
"add %%"REG_a", %1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm2, (%2, %3) \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm2 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm2 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" (%2, %3), %%mm2 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm2, (%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
"sub %3, %2 \n\t"
"1: \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm2, %%mm1 \n\t"
"movq (%2, %3), %%mm3 \n\t"
"movq (%2, %%"REG_a"), %%mm4 \n\t"
PAVGB" %%mm3, %%mm0 \n\t"
PAVGB" %%mm4, %%mm1 \n\t"
"movq %%mm0, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
PAVGB" %%mm1, %%mm2 \n\t"
PAVGB" %%mm0, %%mm1 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
"movq (%2, %3), %%mm3 \n\t"
"movq (%2, %%"REG_a"), %%mm4 \n\t"
PAVGB" %%mm3, %%mm2 \n\t"
PAVGB" %%mm4, %%mm1 \n\t"
"movq %%mm2, (%2, %3) \n\t"
"movq %%mm1, (%2, %%"REG_a") \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
/* Note this is not correctly rounded, but this function is only
* used for B-frames so it does not matter. */
static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
MOVQ_BONE(mm6);
asm volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
ASMALIGN(3)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
"movq (%1, %3), %%mm1 \n\t"
"psubusb %%mm6, %%mm2 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
PAVGB" 1(%1, %%"REG_a"), %%mm2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" %%mm1, %%mm0 \n\t"
PAVGB" %%mm2, %%mm1 \n\t"
PAVGB" (%2), %%mm0 \n\t"
PAVGB" (%2, %3), %%mm1 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
PAVGB" 1(%1, %3), %%mm1 \n\t"
PAVGB" 1(%1, %%"REG_a"), %%mm0 \n\t"
"add %%"REG_a", %2 \n\t"
"add %%"REG_a", %1 \n\t"
PAVGB" %%mm1, %%mm2 \n\t"
PAVGB" %%mm0, %%mm1 \n\t"
PAVGB" (%2), %%mm2 \n\t"
PAVGB" (%2, %3), %%mm1 \n\t"
"movq %%mm2, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r" ((long)line_size)
:"%"REG_a, "memory");
}
static void DEF(avg_pixels4)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
do {
asm volatile(
"movd (%1), %%mm0 \n\t"
"movd (%1, %2), %%mm1 \n\t"
"movd (%1, %2, 2), %%mm2 \n\t"
"movd (%1, %3), %%mm3 \n\t"
PAVGB" (%0), %%mm0 \n\t"
PAVGB" (%0, %2), %%mm1 \n\t"
PAVGB" (%0, %2, 2), %%mm2 \n\t"
PAVGB" (%0, %3), %%mm3 \n\t"
"movd %%mm0, (%1) \n\t"
"movd %%mm1, (%1, %2) \n\t"
"movd %%mm2, (%1, %2, 2) \n\t"
"movd %%mm3, (%1, %3) \n\t"
::"S"(pixels), "D"(block),
"r" ((long)line_size), "r"(3L*line_size)
:"memory");
block += 4*line_size;
pixels += 4*line_size;
h -= 4;
} while(h > 0);
}
//FIXME the following could be optimized too ...
static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(put_no_rnd_pixels8_x2)(block , pixels , line_size, h);
DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
}
static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(put_pixels8_y2)(block , pixels , line_size, h);
DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
}
static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(put_no_rnd_pixels8_y2)(block , pixels , line_size, h);
DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
}
static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(avg_pixels8)(block , pixels , line_size, h);
DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
}
static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(avg_pixels8_x2)(block , pixels , line_size, h);
DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
}
static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(avg_pixels8_y2)(block , pixels , line_size, h);
DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
}
static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
DEF(avg_pixels8_xy2)(block , pixels , line_size, h);
DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);
}
#define QPEL_2TAP_L3(OPNAME) \
static void DEF(OPNAME ## 2tap_qpel16_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
asm volatile(\
"1: \n\t"\
"movq (%1,%2), %%mm0 \n\t"\
"movq 8(%1,%2), %%mm1 \n\t"\
PAVGB" (%1,%3), %%mm0 \n\t"\
PAVGB" 8(%1,%3), %%mm1 \n\t"\
PAVGB" (%1), %%mm0 \n\t"\
PAVGB" 8(%1), %%mm1 \n\t"\
STORE_OP( (%1,%4),%%mm0)\
STORE_OP(8(%1,%4),%%mm1)\
"movq %%mm0, (%1,%4) \n\t"\
"movq %%mm1, 8(%1,%4) \n\t"\
"add %5, %1 \n\t"\
"decl %0 \n\t"\
"jnz 1b \n\t"\
:"+g"(h), "+r"(src)\
:"r"((long)off1), "r"((long)off2),\
"r"((long)(dst-src)), "r"((long)stride)\
:"memory"\
);\
}\
static void DEF(OPNAME ## 2tap_qpel8_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
asm volatile(\
"1: \n\t"\
"movq (%1,%2), %%mm0 \n\t"\
PAVGB" (%1,%3), %%mm0 \n\t"\
PAVGB" (%1), %%mm0 \n\t"\
STORE_OP((%1,%4),%%mm0)\
"movq %%mm0, (%1,%4) \n\t"\
"add %5, %1 \n\t"\
"decl %0 \n\t"\
"jnz 1b \n\t"\
:"+g"(h), "+r"(src)\
:"r"((long)off1), "r"((long)off2),\
"r"((long)(dst-src)), "r"((long)stride)\
:"memory"\
);\
}
#define STORE_OP(a,b) PAVGB" "#a","#b" \n\t"
QPEL_2TAP_L3(avg_)
#undef STORE_OP
#define STORE_OP(a,b)
QPEL_2TAP_L3(put_)
#undef STORE_OP
#undef QPEL_2TAP_L3
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