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dsputil_mmx.c
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dsputil_mmx.c
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/*
* MMX optimized DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* 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
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
*/
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/h264dsp.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/simple_idct.h"
#include "dsputil_mmx.h"
#include "idct_xvid.h"
#include "diracdsp_mmx.h"
//#undef NDEBUG
//#include <assert.h>
/* pixel operations */
DECLARE_ALIGNED(8, const uint64_t, ff_bone) = 0x0101010101010101ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_wtwo) = 0x0002000200020002ULL;
DECLARE_ALIGNED(16, const uint64_t, ff_pdw_80000000)[2] =
{ 0x8000000080000000ULL, 0x8000000080000000ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_1) = { 0x0001000100010001ULL, 0x0001000100010001ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_2) = { 0x0002000200020002ULL, 0x0002000200020002ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_3) = { 0x0003000300030003ULL, 0x0003000300030003ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_4) = { 0x0004000400040004ULL, 0x0004000400040004ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_5) = { 0x0005000500050005ULL, 0x0005000500050005ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_8) = { 0x0008000800080008ULL, 0x0008000800080008ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_9) = { 0x0009000900090009ULL, 0x0009000900090009ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pw_15) = 0x000F000F000F000FULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_16) = { 0x0010001000100010ULL, 0x0010001000100010ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_17) = { 0x0011001100110011ULL, 0x0011001100110011ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_18) = { 0x0012001200120012ULL, 0x0012001200120012ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pw_20) = 0x0014001400140014ULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_27) = { 0x001B001B001B001BULL, 0x001B001B001B001BULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_28) = { 0x001C001C001C001CULL, 0x001C001C001C001CULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_32) = { 0x0020002000200020ULL, 0x0020002000200020ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pw_42) = 0x002A002A002A002AULL;
DECLARE_ALIGNED(8, const uint64_t, ff_pw_53) = 0x0035003500350035ULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_63) = { 0x003F003F003F003FULL, 0x003F003F003F003FULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_64) = { 0x0040004000400040ULL, 0x0040004000400040ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pw_96) = 0x0060006000600060ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_pw_128) = 0x0080008000800080ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_pw_255) = 0x00ff00ff00ff00ffULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_512) = { 0x0200020002000200ULL, 0x0200020002000200ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pw_1019) = { 0x03FB03FB03FB03FBULL, 0x03FB03FB03FB03FBULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_0) = { 0x0000000000000000ULL, 0x0000000000000000ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_1) = { 0x0101010101010101ULL, 0x0101010101010101ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_3) = { 0x0303030303030303ULL, 0x0303030303030303ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_4) = { 0x0404040404040404ULL, 0x0404040404040404ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pb_7) = 0x0707070707070707ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_pb_1F) = 0x1F1F1F1F1F1F1F1FULL;
DECLARE_ALIGNED(8, const uint64_t, ff_pb_3F) = 0x3F3F3F3F3F3F3F3FULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_80) = { 0x8080808080808080ULL, 0x8080808080808080ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pb_81) = 0x8181818181818181ULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_A1) = { 0xA1A1A1A1A1A1A1A1ULL, 0xA1A1A1A1A1A1A1A1ULL };
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_F8) = { 0xF8F8F8F8F8F8F8F8ULL, 0xF8F8F8F8F8F8F8F8ULL };
DECLARE_ALIGNED(8, const uint64_t, ff_pb_FC) = 0xFCFCFCFCFCFCFCFCULL;
DECLARE_ALIGNED(16, const xmm_reg, ff_pb_FE) = { 0xFEFEFEFEFEFEFEFEULL, 0xFEFEFEFEFEFEFEFEULL };
DECLARE_ALIGNED(16, const double, ff_pd_1)[2] = { 1.0, 1.0 };
DECLARE_ALIGNED(16, const double, ff_pd_2)[2] = { 2.0, 2.0 };
#if HAVE_INLINE_ASM
#define JUMPALIGN() __asm__ volatile (".p2align 3"::)
#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)
#define MOVQ_BFE(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"paddb %%"#regd", %%"#regd" \n\t" ::)
#ifndef PIC
#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone))
#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
#else
// for shared library it's better to use this way for accessing constants
// pcmpeqd -> -1
#define MOVQ_BONE(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"psrlw $15, %%"#regd" \n\t" \
"packuswb %%"#regd", %%"#regd" \n\t" ::)
#define MOVQ_WTWO(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"psrlw $15, %%"#regd" \n\t" \
"psllw $1, %%"#regd" \n\t"::)
#endif
// using regr as temporary and for the output result
// first argument is unmodifed and second is trashed
// regfe is supposed to contain 0xfefefefefefefefe
#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \
"movq "#rega", "#regr" \n\t" \
"pand "#regb", "#regr" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pand "#regfe", "#regb" \n\t" \
"psrlq $1, "#regb" \n\t" \
"paddb "#regb", "#regr" \n\t"
#define PAVGB_MMX(rega, regb, regr, regfe) \
"movq "#rega", "#regr" \n\t" \
"por "#regb", "#regr" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pand "#regfe", "#regb" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psubb "#regb", "#regr" \n\t"
// mm6 is supposed to contain 0xfefefefefefefefe
#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
"movq "#rega", "#regr" \n\t" \
"movq "#regc", "#regp" \n\t" \
"pand "#regb", "#regr" \n\t" \
"pand "#regd", "#regp" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pxor "#regc", "#regd" \n\t" \
"pand %%mm6, "#regb" \n\t" \
"pand %%mm6, "#regd" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psrlq $1, "#regd" \n\t" \
"paddb "#regb", "#regr" \n\t" \
"paddb "#regd", "#regp" \n\t"
#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \
"movq "#rega", "#regr" \n\t" \
"movq "#regc", "#regp" \n\t" \
"por "#regb", "#regr" \n\t" \
"por "#regd", "#regp" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pxor "#regc", "#regd" \n\t" \
"pand %%mm6, "#regb" \n\t" \
"pand %%mm6, "#regd" \n\t" \
"psrlq $1, "#regd" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psubb "#regb", "#regr" \n\t" \
"psubb "#regd", "#regp" \n\t"
/***********************************/
/* MMX no rounding */
#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
#define SET_RND MOVQ_WONE
#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
#define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e)
#define OP_AVG(a, b, c, e) PAVGB_MMX(a, b, c, e)
#include "dsputil_rnd_template.c"
#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
/***********************************/
/* MMX rounding */
#define DEF(x, y) x ## _ ## y ## _mmx
#define SET_RND MOVQ_WTWO
#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f)
#define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e)
#include "dsputil_rnd_template.c"
#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
#undef OP_AVG
/***********************************/
/* 3Dnow specific */
#define DEF(x) x ## _3dnow
#define PAVGB "pavgusb"
#define OP_AVG PAVGB
#define SKIP_FOR_3DNOW
#include "dsputil_avg_template.c"
#undef DEF
#undef PAVGB
#undef OP_AVG
#undef SKIP_FOR_3DNOW
/***********************************/
/* MMXEXT specific */
#define DEF(x) x ## _mmxext
/* Introduced only in MMXEXT set */
#define PAVGB "pavgb"
#define OP_AVG PAVGB
#include "dsputil_avg_template.c"
#undef DEF
#undef PAVGB
#undef OP_AVG
#define put_no_rnd_pixels16_mmx put_pixels16_mmx
#define put_no_rnd_pixels8_mmx put_pixels8_mmx
#define put_pixels16_mmxext put_pixels16_mmx
#define put_pixels8_mmxext put_pixels8_mmx
#define put_pixels4_mmxext put_pixels4_mmx
#define put_no_rnd_pixels16_mmxext put_no_rnd_pixels16_mmx
#define put_no_rnd_pixels8_mmxext put_no_rnd_pixels8_mmx
/***********************************/
/* standard MMX */
void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
int line_size)
{
const DCTELEM *p;
uint8_t *pix;
/* read the pixels */
p = block;
pix = pixels;
/* unrolled loop */
__asm__ volatile (
"movq (%3), %%mm0 \n\t"
"movq 8(%3), %%mm1 \n\t"
"movq 16(%3), %%mm2 \n\t"
"movq 24(%3), %%mm3 \n\t"
"movq 32(%3), %%mm4 \n\t"
"movq 40(%3), %%mm5 \n\t"
"movq 48(%3), %%mm6 \n\t"
"movq 56(%3), %%mm7 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"packuswb %%mm3, %%mm2 \n\t"
"packuswb %%mm5, %%mm4 \n\t"
"packuswb %%mm7, %%mm6 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm2, (%0, %1) \n\t"
"movq %%mm4, (%0, %1, 2) \n\t"
"movq %%mm6, (%0, %2) \n\t"
:: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3),
"r"(p)
: "memory");
pix += line_size * 4;
p += 32;
// if here would be an exact copy of the code above
// compiler would generate some very strange code
// thus using "r"
__asm__ volatile (
"movq (%3), %%mm0 \n\t"
"movq 8(%3), %%mm1 \n\t"
"movq 16(%3), %%mm2 \n\t"
"movq 24(%3), %%mm3 \n\t"
"movq 32(%3), %%mm4 \n\t"
"movq 40(%3), %%mm5 \n\t"
"movq 48(%3), %%mm6 \n\t"
"movq 56(%3), %%mm7 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"packuswb %%mm3, %%mm2 \n\t"
"packuswb %%mm5, %%mm4 \n\t"
"packuswb %%mm7, %%mm6 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm2, (%0, %1) \n\t"
"movq %%mm4, (%0, %1, 2) \n\t"
"movq %%mm6, (%0, %2) \n\t"
:: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "r"(p)
: "memory");
}
#define put_signed_pixels_clamped_mmx_half(off) \
"movq "#off"(%2), %%mm1 \n\t" \
"movq 16 + "#off"(%2), %%mm2 \n\t" \
"movq 32 + "#off"(%2), %%mm3 \n\t" \
"movq 48 + "#off"(%2), %%mm4 \n\t" \
"packsswb 8 + "#off"(%2), %%mm1 \n\t" \
"packsswb 24 + "#off"(%2), %%mm2 \n\t" \
"packsswb 40 + "#off"(%2), %%mm3 \n\t" \
"packsswb 56 + "#off"(%2), %%mm4 \n\t" \
"paddb %%mm0, %%mm1 \n\t" \
"paddb %%mm0, %%mm2 \n\t" \
"paddb %%mm0, %%mm3 \n\t" \
"paddb %%mm0, %%mm4 \n\t" \
"movq %%mm1, (%0) \n\t" \
"movq %%mm2, (%0, %3) \n\t" \
"movq %%mm3, (%0, %3, 2) \n\t" \
"movq %%mm4, (%0, %1) \n\t"
void ff_put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
int line_size)
{
x86_reg line_skip = line_size;
x86_reg line_skip3;
__asm__ volatile (
"movq "MANGLE(ff_pb_80)", %%mm0 \n\t"
"lea (%3, %3, 2), %1 \n\t"
put_signed_pixels_clamped_mmx_half(0)
"lea (%0, %3, 4), %0 \n\t"
put_signed_pixels_clamped_mmx_half(64)
: "+&r"(pixels), "=&r"(line_skip3)
: "r"(block), "r"(line_skip)
: "memory");
}
void ff_add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
int line_size)
{
const DCTELEM *p;
uint8_t *pix;
int i;
/* read the pixels */
p = block;
pix = pixels;
MOVQ_ZERO(mm7);
i = 4;
do {
__asm__ volatile (
"movq (%2), %%mm0 \n\t"
"movq 8(%2), %%mm1 \n\t"
"movq 16(%2), %%mm2 \n\t"
"movq 24(%2), %%mm3 \n\t"
"movq %0, %%mm4 \n\t"
"movq %1, %%mm6 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddsw %%mm4, %%mm0 \n\t"
"paddsw %%mm5, %%mm1 \n\t"
"movq %%mm6, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm6 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddsw %%mm6, %%mm2 \n\t"
"paddsw %%mm5, %%mm3 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"packuswb %%mm3, %%mm2 \n\t"
"movq %%mm0, %0 \n\t"
"movq %%mm2, %1 \n\t"
: "+m"(*pix), "+m"(*(pix + line_size))
: "r"(p)
: "memory");
pix += line_size * 2;
p += 16;
} while (--i);
}
static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
int line_size, int h)
{
__asm__ volatile (
"lea (%3, %3), %%"REG_a" \n\t"
".p2align 3 \n\t"
"1: \n\t"
"movq (%1 ), %%mm0 \n\t"
"movq (%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"
"movq %%mm0, (%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
: "+g"(h), "+r"(pixels), "+r"(block)
: "r"((x86_reg)line_size)
: "%"REG_a, "memory"
);
}
static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
int line_size, int h)
{
__asm__ volatile (
"lea (%3, %3), %%"REG_a" \n\t"
".p2align 3 \n\t"
"1: \n\t"
"movq (%1 ), %%mm0 \n\t"
"movq 8(%1 ), %%mm4 \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq 8(%1, %3), %%mm5 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm4, 8(%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"movq %%mm5, 8(%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"movq (%1 ), %%mm0 \n\t"
"movq 8(%1 ), %%mm4 \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq 8(%1, %3), %%mm5 \n\t"
"movq %%mm0, (%2) \n\t"
"movq %%mm4, 8(%2) \n\t"
"movq %%mm1, (%2, %3) \n\t"
"movq %%mm5, 8(%2, %3) \n\t"
"add %%"REG_a", %1 \n\t"
"add %%"REG_a", %2 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
: "+g"(h), "+r"(pixels), "+r"(block)
: "r"((x86_reg)line_size)
: "%"REG_a, "memory"
);
}
#define CLEAR_BLOCKS(name, n) \
static void name(DCTELEM *blocks) \
{ \
__asm__ volatile ( \
"pxor %%mm7, %%mm7 \n\t" \
"mov %1, %%"REG_a" \n\t" \
"1: \n\t" \
"movq %%mm7, (%0, %%"REG_a") \n\t" \
"movq %%mm7, 8(%0, %%"REG_a") \n\t" \
"movq %%mm7, 16(%0, %%"REG_a") \n\t" \
"movq %%mm7, 24(%0, %%"REG_a") \n\t" \
"add $32, %%"REG_a" \n\t" \
"js 1b \n\t" \
:: "r"(((uint8_t *)blocks) + 128 * n), \
"i"(-128 * n) \
: "%"REG_a \
); \
}
CLEAR_BLOCKS(clear_blocks_mmx, 6)
CLEAR_BLOCKS(clear_block_mmx, 1)
static void clear_block_sse(DCTELEM *block)
{
__asm__ volatile (
"xorps %%xmm0, %%xmm0 \n"
"movaps %%xmm0, (%0) \n"
"movaps %%xmm0, 16(%0) \n"
"movaps %%xmm0, 32(%0) \n"
"movaps %%xmm0, 48(%0) \n"
"movaps %%xmm0, 64(%0) \n"
"movaps %%xmm0, 80(%0) \n"
"movaps %%xmm0, 96(%0) \n"
"movaps %%xmm0, 112(%0) \n"
:: "r"(block)
: "memory"
);
}
static void clear_blocks_sse(DCTELEM *blocks)
{
__asm__ volatile (
"xorps %%xmm0, %%xmm0 \n"
"mov %1, %%"REG_a" \n"
"1: \n"
"movaps %%xmm0, (%0, %%"REG_a") \n"
"movaps %%xmm0, 16(%0, %%"REG_a") \n"
"movaps %%xmm0, 32(%0, %%"REG_a") \n"
"movaps %%xmm0, 48(%0, %%"REG_a") \n"
"movaps %%xmm0, 64(%0, %%"REG_a") \n"
"movaps %%xmm0, 80(%0, %%"REG_a") \n"
"movaps %%xmm0, 96(%0, %%"REG_a") \n"
"movaps %%xmm0, 112(%0, %%"REG_a") \n"
"add $128, %%"REG_a" \n"
"js 1b \n"
:: "r"(((uint8_t *)blocks) + 128 * 6),
"i"(-128 * 6)
: "%"REG_a
);
}
static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
{
x86_reg i = 0;
__asm__ volatile (
"jmp 2f \n\t"
"1: \n\t"
"movq (%1, %0), %%mm0 \n\t"
"movq (%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%2, %0) \n\t"
"movq 8(%1, %0), %%mm0 \n\t"
"movq 8(%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, 8(%2, %0) \n\t"
"add $16, %0 \n\t"
"2: \n\t"
"cmp %3, %0 \n\t"
"js 1b \n\t"
: "+r"(i)
: "r"(src), "r"(dst), "r"((x86_reg)w - 15)
);
for ( ; i < w; i++)
dst[i + 0] += src[i + 0];
}
#if HAVE_7REGS
static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top)
{
x86_reg w2 = -w;
x86_reg x;
int l = *left & 0xff;
int tl = *left_top & 0xff;
int t;
__asm__ volatile (
"mov %7, %3 \n"
"1: \n"
"movzbl (%3, %4), %2 \n"
"mov %2, %k3 \n"
"sub %b1, %b3 \n"
"add %b0, %b3 \n"
"mov %2, %1 \n"
"cmp %0, %2 \n"
"cmovg %0, %2 \n"
"cmovg %1, %0 \n"
"cmp %k3, %0 \n"
"cmovg %k3, %0 \n"
"mov %7, %3 \n"
"cmp %2, %0 \n"
"cmovl %2, %0 \n"
"add (%6, %4), %b0 \n"
"mov %b0, (%5, %4) \n"
"inc %4 \n"
"jl 1b \n"
: "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
: "r"(dst + w), "r"(diff + w), "rm"(top + w)
);
*left = l;
*left_top = tl;
}
#endif
static inline void transpose4x4(uint8_t *dst, uint8_t *src, x86_reg dst_stride, x86_reg src_stride){
__asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ...
"movd (%1), %%mm0 \n\t"
"add %3, %1 \n\t"
"movd (%1), %%mm1 \n\t"
"movd (%1,%3,1), %%mm2 \n\t"
"movd (%1,%3,2), %%mm3 \n\t"
"punpcklbw %%mm1, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"punpcklwd %%mm2, %%mm0 \n\t"
"punpckhwd %%mm2, %%mm1 \n\t"
"movd %%mm0, (%0) \n\t"
"add %2, %0 \n\t"
"punpckhdq %%mm0, %%mm0 \n\t"
"movd %%mm0, (%0) \n\t"
"movd %%mm1, (%0,%2,1) \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, (%0,%2,2) \n\t"
: "+&r" (dst),
"+&r" (src)
: "r" (dst_stride),
"r" (src_stride)
: "memory"
);
}
#define H263_LOOP_FILTER \
"pxor %%mm7, %%mm7 \n\t" \
"movq %0, %%mm0 \n\t" \
"movq %0, %%mm1 \n\t" \
"movq %3, %%mm2 \n\t" \
"movq %3, %%mm3 \n\t" \
"punpcklbw %%mm7, %%mm0 \n\t" \
"punpckhbw %%mm7, %%mm1 \n\t" \
"punpcklbw %%mm7, %%mm2 \n\t" \
"punpckhbw %%mm7, %%mm3 \n\t" \
"psubw %%mm2, %%mm0 \n\t" \
"psubw %%mm3, %%mm1 \n\t" \
"movq %1, %%mm2 \n\t" \
"movq %1, %%mm3 \n\t" \
"movq %2, %%mm4 \n\t" \
"movq %2, %%mm5 \n\t" \
"punpcklbw %%mm7, %%mm2 \n\t" \
"punpckhbw %%mm7, %%mm3 \n\t" \
"punpcklbw %%mm7, %%mm4 \n\t" \
"punpckhbw %%mm7, %%mm5 \n\t" \
"psubw %%mm2, %%mm4 \n\t" \
"psubw %%mm3, %%mm5 \n\t" \
"psllw $2, %%mm4 \n\t" \
"psllw $2, %%mm5 \n\t" \
"paddw %%mm0, %%mm4 \n\t" \
"paddw %%mm1, %%mm5 \n\t" \
"pxor %%mm6, %%mm6 \n\t" \
"pcmpgtw %%mm4, %%mm6 \n\t" \
"pcmpgtw %%mm5, %%mm7 \n\t" \
"pxor %%mm6, %%mm4 \n\t" \
"pxor %%mm7, %%mm5 \n\t" \
"psubw %%mm6, %%mm4 \n\t" \
"psubw %%mm7, %%mm5 \n\t" \
"psrlw $3, %%mm4 \n\t" \
"psrlw $3, %%mm5 \n\t" \
"packuswb %%mm5, %%mm4 \n\t" \
"packsswb %%mm7, %%mm6 \n\t" \
"pxor %%mm7, %%mm7 \n\t" \
"movd %4, %%mm2 \n\t" \
"punpcklbw %%mm2, %%mm2 \n\t" \
"punpcklbw %%mm2, %%mm2 \n\t" \
"punpcklbw %%mm2, %%mm2 \n\t" \
"psubusb %%mm4, %%mm2 \n\t" \
"movq %%mm2, %%mm3 \n\t" \
"psubusb %%mm4, %%mm3 \n\t" \
"psubb %%mm3, %%mm2 \n\t" \
"movq %1, %%mm3 \n\t" \
"movq %2, %%mm4 \n\t" \
"pxor %%mm6, %%mm3 \n\t" \
"pxor %%mm6, %%mm4 \n\t" \
"paddusb %%mm2, %%mm3 \n\t" \
"psubusb %%mm2, %%mm4 \n\t" \
"pxor %%mm6, %%mm3 \n\t" \
"pxor %%mm6, %%mm4 \n\t" \
"paddusb %%mm2, %%mm2 \n\t" \
"packsswb %%mm1, %%mm0 \n\t" \
"pcmpgtb %%mm0, %%mm7 \n\t" \
"pxor %%mm7, %%mm0 \n\t" \
"psubb %%mm7, %%mm0 \n\t" \
"movq %%mm0, %%mm1 \n\t" \
"psubusb %%mm2, %%mm0 \n\t" \
"psubb %%mm0, %%mm1 \n\t" \
"pand %5, %%mm1 \n\t" \
"psrlw $2, %%mm1 \n\t" \
"pxor %%mm7, %%mm1 \n\t" \
"psubb %%mm7, %%mm1 \n\t" \
"movq %0, %%mm5 \n\t" \
"movq %3, %%mm6 \n\t" \
"psubb %%mm1, %%mm5 \n\t" \
"paddb %%mm1, %%mm6 \n\t"
static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
const int strength = ff_h263_loop_filter_strength[qscale];
__asm__ volatile (
H263_LOOP_FILTER
"movq %%mm3, %1 \n\t"
"movq %%mm4, %2 \n\t"
"movq %%mm5, %0 \n\t"
"movq %%mm6, %3 \n\t"
: "+m"(*(uint64_t*)(src - 2 * stride)),
"+m"(*(uint64_t*)(src - 1 * stride)),
"+m"(*(uint64_t*)(src + 0 * stride)),
"+m"(*(uint64_t*)(src + 1 * stride))
: "g"(2 * strength), "m"(ff_pb_FC)
);
}
}
static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
const int strength = ff_h263_loop_filter_strength[qscale];
DECLARE_ALIGNED(8, uint64_t, temp)[4];
uint8_t *btemp = (uint8_t*)temp;
src -= 2;
transpose4x4(btemp, src, 8, stride);
transpose4x4(btemp + 4, src + 4 * stride, 8, stride);
__asm__ volatile (
H263_LOOP_FILTER // 5 3 4 6
: "+m"(temp[0]),
"+m"(temp[1]),
"+m"(temp[2]),
"+m"(temp[3])
: "g"(2 * strength), "m"(ff_pb_FC)
);
__asm__ volatile (
"movq %%mm5, %%mm1 \n\t"
"movq %%mm4, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm5 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpckhbw %%mm3, %%mm1 \n\t"
"punpckhbw %%mm6, %%mm0 \n\t"
"movq %%mm5, %%mm3 \n\t"
"movq %%mm1, %%mm6 \n\t"
"punpcklwd %%mm4, %%mm5 \n\t"
"punpcklwd %%mm0, %%mm1 \n\t"
"punpckhwd %%mm4, %%mm3 \n\t"
"punpckhwd %%mm0, %%mm6 \n\t"
"movd %%mm5, (%0) \n\t"
"punpckhdq %%mm5, %%mm5 \n\t"
"movd %%mm5, (%0, %2) \n\t"
"movd %%mm3, (%0, %2, 2) \n\t"
"punpckhdq %%mm3, %%mm3 \n\t"
"movd %%mm3, (%0, %3) \n\t"
"movd %%mm1, (%1) \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, (%1, %2) \n\t"
"movd %%mm6, (%1, %2, 2) \n\t"
"punpckhdq %%mm6, %%mm6 \n\t"
"movd %%mm6, (%1, %3) \n\t"
:: "r"(src),
"r"(src + 4 * stride),
"r"((x86_reg)stride),
"r"((x86_reg)(3 * stride))
);
}
}
/* Draw the edges of width 'w' of an image of size width, height
* this MMX version can only handle w == 8 || w == 16. */
static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
int w, int h, int sides)
{
uint8_t *ptr, *last_line;
int i;
last_line = buf + (height - 1) * wrap;
/* left and right */
ptr = buf;
if (w == 8) {
__asm__ volatile (
"1: \n\t"
"movd (%0), %%mm0 \n\t"
"punpcklbw %%mm0, %%mm0 \n\t"
"punpcklwd %%mm0, %%mm0 \n\t"
"punpckldq %%mm0, %%mm0 \n\t"
"movq %%mm0, -8(%0) \n\t"
"movq -8(%0, %2), %%mm1 \n\t"
"punpckhbw %%mm1, %%mm1 \n\t"
"punpckhwd %%mm1, %%mm1 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movq %%mm1, (%0, %2) \n\t"
"add %1, %0 \n\t"
"cmp %3, %0 \n\t"
"jb 1b \n\t"
: "+r"(ptr)
: "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
);
} else if(w==16){
__asm__ volatile (
"1: \n\t"
"movd (%0), %%mm0 \n\t"
"punpcklbw %%mm0, %%mm0 \n\t"
"punpcklwd %%mm0, %%mm0 \n\t"
"punpckldq %%mm0, %%mm0 \n\t"
"movq %%mm0, -8(%0) \n\t"
"movq %%mm0, -16(%0) \n\t"
"movq -8(%0, %2), %%mm1 \n\t"
"punpckhbw %%mm1, %%mm1 \n\t"
"punpckhwd %%mm1, %%mm1 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movq %%mm1, (%0, %2) \n\t"
"movq %%mm1, 8(%0, %2) \n\t"
"add %1, %0 \n\t"
"cmp %3, %0 \n\t"
"jb 1b \n\t"
: "+r"(ptr)
: "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
);
} else {
av_assert1(w == 4);
__asm__ volatile (
"1: \n\t"
"movd (%0), %%mm0 \n\t"
"punpcklbw %%mm0, %%mm0 \n\t"
"punpcklwd %%mm0, %%mm0 \n\t"
"movd %%mm0, -4(%0) \n\t"
"movd -4(%0, %2), %%mm1 \n\t"
"punpcklbw %%mm1, %%mm1 \n\t"
"punpckhwd %%mm1, %%mm1 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, (%0, %2) \n\t"
"add %1, %0 \n\t"
"cmp %3, %0 \n\t"
"jb 1b \n\t"
: "+r"(ptr)
: "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
);
}
/* top and bottom (and hopefully also the corners) */
if (sides & EDGE_TOP) {
for (i = 0; i < h; i += 4) {
ptr = buf - (i + 1) * wrap - w;
__asm__ volatile (
"1: \n\t"
"movq (%1, %0), %%mm0 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm0, (%0, %2) \n\t"
"movq %%mm0, (%0, %2, 2) \n\t"
"movq %%mm0, (%0, %3) \n\t"
"add $8, %0 \n\t"
"cmp %4, %0 \n\t"
"jb 1b \n\t"
: "+r"(ptr)
: "r"((x86_reg)buf - (x86_reg)ptr - w), "r"((x86_reg) -wrap),
"r"((x86_reg) -wrap * 3), "r"(ptr + width + 2 * w)
);
}
}
if (sides & EDGE_BOTTOM) {
for (i = 0; i < h; i += 4) {
ptr = last_line + (i + 1) * wrap - w;
__asm__ volatile (
"1: \n\t"
"movq (%1, %0), %%mm0 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm0, (%0, %2) \n\t"
"movq %%mm0, (%0, %2, 2) \n\t"
"movq %%mm0, (%0, %3) \n\t"
"add $8, %0 \n\t"
"cmp %4, %0 \n\t"
"jb 1b \n\t"
: "+r"(ptr)
: "r"((x86_reg)last_line - (x86_reg)ptr - w),
"r"((x86_reg)wrap), "r"((x86_reg)wrap * 3),
"r"(ptr + width + 2 * w)
);
}
}
}
#define QPEL_V_LOW(m3, m4, m5, m6, pw_20, pw_3, rnd, \
in0, in1, in2, in7, out, OP) \
"paddw "#m4", "#m3" \n\t" /* x1 */ \
"movq "MANGLE(ff_pw_20)", %%mm4 \n\t" /* 20 */ \
"pmullw "#m3", %%mm4 \n\t" /* 20x1 */ \
"movq "#in7", "#m3" \n\t" /* d */ \
"movq "#in0", %%mm5 \n\t" /* D */ \
"paddw "#m3", %%mm5 \n\t" /* x4 */ \
"psubw %%mm5, %%mm4 \n\t" /* 20x1 - x4 */ \
"movq "#in1", %%mm5 \n\t" /* C */ \
"movq "#in2", %%mm6 \n\t" /* B */ \
"paddw "#m6", %%mm5 \n\t" /* x3 */ \
"paddw "#m5", %%mm6 \n\t" /* x2 */ \
"paddw %%mm6, %%mm6 \n\t" /* 2x2 */ \
"psubw %%mm6, %%mm5 \n\t" /* -2x2 + x3 */ \
"pmullw "MANGLE(ff_pw_3)", %%mm5 \n\t" /* -6x2 + 3x3 */ \
"paddw "#rnd", %%mm4 \n\t" /* x2 */ \
"paddw %%mm4, %%mm5 \n\t" /* 20x1 - 6x2 + 3x3 - x4 */ \
"psraw $5, %%mm5 \n\t" \
"packuswb %%mm5, %%mm5 \n\t" \
OP(%%mm5, out, %%mm7, d)
#define QPEL_BASE(OPNAME, ROUNDER, RND, OP_MMXEXT) \
static void OPNAME ## mpeg4_qpel16_h_lowpass_mmxext(uint8_t *dst, \
uint8_t *src, \
int dstStride, \
int srcStride, \
int h) \
{ \
uint64_t temp; \
\
__asm__ volatile ( \
"pxor %%mm7, %%mm7 \n\t" \
"1: \n\t" \
"movq (%0), %%mm0 \n\t" /* ABCDEFGH */ \
"movq %%mm0, %%mm1 \n\t" /* ABCDEFGH */ \
"movq %%mm0, %%mm2 \n\t" /* ABCDEFGH */ \
"punpcklbw %%mm7, %%mm0 \n\t" /* 0A0B0C0D */ \
"punpckhbw %%mm7, %%mm1 \n\t" /* 0E0F0G0H */ \
"pshufw $0x90, %%mm0, %%mm5 \n\t" /* 0A0A0B0C */ \
"pshufw $0x41, %%mm0, %%mm6 \n\t" /* 0B0A0A0B */ \
"movq %%mm2, %%mm3 \n\t" /* ABCDEFGH */ \
"movq %%mm2, %%mm4 \n\t" /* ABCDEFGH */ \
"psllq $8, %%mm2 \n\t" /* 0ABCDEFG */ \
"psllq $16, %%mm3 \n\t" /* 00ABCDEF */ \
"psllq $24, %%mm4 \n\t" /* 000ABCDE */ \
"punpckhbw %%mm7, %%mm2 \n\t" /* 0D0E0F0G */ \
"punpckhbw %%mm7, %%mm3 \n\t" /* 0C0D0E0F */ \
"punpckhbw %%mm7, %%mm4 \n\t" /* 0B0C0D0E */ \
"paddw %%mm3, %%mm5 \n\t" /* b */ \
"paddw %%mm2, %%mm6 \n\t" /* c */ \
"paddw %%mm5, %%mm5 \n\t" /* 2b */ \
"psubw %%mm5, %%mm6 \n\t" /* c - 2b */ \
"pshufw $0x06, %%mm0, %%mm5 \n\t" /* 0C0B0A0A */ \
"pmullw "MANGLE(ff_pw_3)", %%mm6 \n\t" /* 3c - 6b */ \
"paddw %%mm4, %%mm0 \n\t" /* a */ \
"paddw %%mm1, %%mm5 \n\t" /* d */ \
"pmullw "MANGLE(ff_pw_20)", %%mm0 \n\t" /* 20a */ \
"psubw %%mm5, %%mm0 \n\t" /* 20a - d */ \
"paddw %6, %%mm6 \n\t" \
"paddw %%mm6, %%mm0 \n\t" /* 20a - 6b + 3c - d */ \
"psraw $5, %%mm0 \n\t" \
"movq %%mm0, %5 \n\t" \
/* mm1 = EFGH, mm2 = DEFG, mm3 = CDEF, mm4 = BCDE, mm7 = 0 */ \
\
"movq 5(%0), %%mm0 \n\t" /* FGHIJKLM */ \
"movq %%mm0, %%mm5 \n\t" /* FGHIJKLM */ \
"movq %%mm0, %%mm6 \n\t" /* FGHIJKLM */ \
"psrlq $8, %%mm0 \n\t" /* GHIJKLM0 */ \
"psrlq $16, %%mm5 \n\t" /* HIJKLM00 */ \
"punpcklbw %%mm7, %%mm0 \n\t" /* 0G0H0I0J */ \
"punpcklbw %%mm7, %%mm5 \n\t" /* 0H0I0J0K */ \
"paddw %%mm0, %%mm2 \n\t" /* b */ \
"paddw %%mm5, %%mm3 \n\t" /* c */ \
"paddw %%mm2, %%mm2 \n\t" /* 2b */ \
"psubw %%mm2, %%mm3 \n\t" /* c - 2b */ \
"movq %%mm6, %%mm2 \n\t" /* FGHIJKLM */ \
"psrlq $24, %%mm6 \n\t" /* IJKLM000 */ \
"punpcklbw %%mm7, %%mm2 \n\t" /* 0F0G0H0I */ \
"punpcklbw %%mm7, %%mm6 \n\t" /* 0I0J0K0L */ \
"pmullw "MANGLE(ff_pw_3)", %%mm3 \n\t" /* 3c - 6b */ \
"paddw %%mm2, %%mm1 \n\t" /* a */ \
"paddw %%mm6, %%mm4 \n\t" /* d */ \
"pmullw "MANGLE(ff_pw_20)", %%mm1 \n\t" /* 20a */ \
"psubw %%mm4, %%mm3 \n\t" /* - 6b +3c - d */ \
"paddw %6, %%mm1 \n\t" \
"paddw %%mm1, %%mm3 \n\t" /* 20a - 6b +3c - d */ \
"psraw $5, %%mm3 \n\t" \
"movq %5, %%mm1 \n\t" \
"packuswb %%mm3, %%mm1 \n\t" \
OP_MMXEXT(%%mm1, (%1), %%mm4, q) \
/* mm0 = GHIJ, mm2 = FGHI, mm5 = HIJK, mm6 = IJKL, mm7 = 0 */ \
\
"movq 9(%0), %%mm1 \n\t" /* JKLMNOPQ */ \
"movq %%mm1, %%mm4 \n\t" /* JKLMNOPQ */ \
"movq %%mm1, %%mm3 \n\t" /* JKLMNOPQ */ \
"psrlq $8, %%mm1 \n\t" /* KLMNOPQ0 */ \
"psrlq $16, %%mm4 \n\t" /* LMNOPQ00 */ \
"punpcklbw %%mm7, %%mm1 \n\t" /* 0K0L0M0N */ \
"punpcklbw %%mm7, %%mm4 \n\t" /* 0L0M0N0O */ \
"paddw %%mm1, %%mm5 \n\t" /* b */ \
"paddw %%mm4, %%mm0 \n\t" /* c */ \
"paddw %%mm5, %%mm5 \n\t" /* 2b */ \
"psubw %%mm5, %%mm0 \n\t" /* c - 2b */ \
"movq %%mm3, %%mm5 \n\t" /* JKLMNOPQ */ \
"psrlq $24, %%mm3 \n\t" /* MNOPQ000 */ \
"pmullw "MANGLE(ff_pw_3)", %%mm0 \n\t" /* 3c - 6b */ \
"punpcklbw %%mm7, %%mm3 \n\t" /* 0M0N0O0P */ \
"paddw %%mm3, %%mm2 \n\t" /* d */ \
"psubw %%mm2, %%mm0 \n\t" /* -6b + 3c - d */ \
"movq %%mm5, %%mm2 \n\t" /* JKLMNOPQ */ \
"punpcklbw %%mm7, %%mm2 \n\t" /* 0J0K0L0M */ \
"punpckhbw %%mm7, %%mm5 \n\t" /* 0N0O0P0Q */ \
"paddw %%mm2, %%mm6 \n\t" /* a */ \
"pmullw "MANGLE(ff_pw_20)", %%mm6 \n\t" /* 20a */ \
"paddw %6, %%mm0 \n\t" \
"paddw %%mm6, %%mm0 \n\t" /* 20a - 6b + 3c - d */ \
"psraw $5, %%mm0 \n\t" \
/* mm1 = KLMN, mm2 = JKLM, mm3 = MNOP, */ \
/* mm4 = LMNO, mm5 = NOPQ mm7 = 0 */ \
\
"paddw %%mm5, %%mm3 \n\t" /* a */ \
"pshufw $0xF9, %%mm5, %%mm6 \n\t" /* 0O0P0Q0Q */ \
"paddw %%mm4, %%mm6 \n\t" /* b */ \
"pshufw $0xBE, %%mm5, %%mm4 \n\t" /* 0P0Q0Q0P */ \
"pshufw $0x6F, %%mm5, %%mm5 \n\t" /* 0Q0Q0P0O */ \
"paddw %%mm1, %%mm4 \n\t" /* c */ \
"paddw %%mm2, %%mm5 \n\t" /* d */ \
"paddw %%mm6, %%mm6 \n\t" /* 2b */ \
"psubw %%mm6, %%mm4 \n\t" /* c - 2b */ \
"pmullw "MANGLE(ff_pw_20)", %%mm3 \n\t" /* 20a */ \
"pmullw "MANGLE(ff_pw_3)", %%mm4 \n\t" /* 3c - 6b */ \
"psubw %%mm5, %%mm3 \n\t" /* -6b + 3c - d */ \
"paddw %6, %%mm4 \n\t" \
"paddw %%mm3, %%mm4 \n\t" /* 20a - 6b + 3c - d */ \
"psraw $5, %%mm4 \n\t" \
"packuswb %%mm4, %%mm0 \n\t" \
OP_MMXEXT(%%mm0, 8(%1), %%mm4, q) \
\
"add %3, %0 \n\t" \
"add %4, %1 \n\t" \
"decl %2 \n\t" \
"jnz 1b \n\t" \
: "+a"(src), "+c"(dst), "+D"(h) \
: "d"((x86_reg)srcStride), "S"((x86_reg)dstStride), \
/* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(temp), "m"(ROUNDER) \
: "memory" \
); \
} \
\
static void OPNAME ## mpeg4_qpel8_h_lowpass_mmxext(uint8_t *dst, \
uint8_t *src, \
int dstStride, \
int srcStride, \
int h) \
{ \
__asm__ volatile ( \