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x86: huffyuvdsp: Move inline assembly to init file 

This avoids a link failure with MMX disabled as now code and
initialization are compiled under the same condition.
tags/n2.3
Diego Biurrun 11 years ago
parent
e0bfe34ea8
commit
009331303a
4 changed files with 76 additions and 131 deletions
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  1. +0
    -1
      libavcodec/x86/Makefile
  2. +0
    -30
      libavcodec/x86/huffyuvdsp.h
  3. +76
    -9
      libavcodec/x86/huffyuvdsp_init.c
  4. +0
    -91
      libavcodec/x86/huffyuvdsp_mmx.c

+ 0
- 1
libavcodec/x86/Makefile View File

@@ -53,7 +53,6 @@ MMX-OBJS-$(CONFIG_BLOCKDSP) += x86/blockdsp_mmx.o
MMX-OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_mmx.o
MMX-OBJS-$(CONFIG_HPELDSP) += x86/fpel_mmx.o \
x86/hpeldsp_mmx.o
MMX-OBJS-$(CONFIG_HUFFYUVDSP) += x86/huffyuvdsp_mmx.o
MMX-OBJS-$(CONFIG_IDCTDSP) += x86/idctdsp_mmx.o \
x86/idct_mmx_xvid.o \
x86/idct_sse2_xvid.o \


+ 0
- 30
libavcodec/x86/huffyuvdsp.h View File

@@ -1,30 +0,0 @@
/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef AVCODEC_X86_HUFFYUVDSP_H
#define AVCODEC_X86_HUFFYUVDSP_H

#include <stdint.h>

void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);

void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);

#endif /* AVCODEC_X86_HUFFYUVDSP_H */

+ 76
- 9
libavcodec/x86/huffyuvdsp_init.c View File

@@ -1,4 +1,6 @@
/*
* Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
@@ -23,11 +25,6 @@
#include "libavutil/x86/cpu.h"
#include "libavcodec/huffyuvdsp.h"

void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);

void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
@@ -37,17 +34,87 @@ int ff_add_hfyu_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
int ff_add_hfyu_left_pred_sse4(uint8_t *dst, const uint8_t *src,
int w, int left);

#if HAVE_INLINE_ASM

#if HAVE_7REGS
static void add_hfyu_median_pred_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 /* HAVE_7REGS */

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];
}

#endif /* HAVE_INLINE_ASM */

av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();

#if HAVE_7REGS && HAVE_INLINE_ASM
#if HAVE_INLINE_ASM
#if HAVE_7REGS
if (cpu_flags & AV_CPU_FLAG_CMOV)
c->add_hfyu_median_pred = ff_add_hfyu_median_pred_cmov;
#endif
c->add_hfyu_median_pred = add_hfyu_median_pred_cmov;
#endif /* HAVE_7REGS */

if (INLINE_MMX(cpu_flags))
c->add_bytes = ff_add_bytes_mmx;
c->add_bytes = add_bytes_mmx;
#endif /* HAVE_INLINE_ASM */

if (EXTERNAL_MMXEXT(cpu_flags)) {
/* slower than cmov version on AMD */


+ 0
- 91
libavcodec/x86/huffyuvdsp_mmx.c View File

@@ -1,91 +0,0 @@
/*
* Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include "config.h"
#include "libavutil/x86/asm.h"
#include "huffyuvdsp.h"

#if HAVE_INLINE_ASM

#if HAVE_7REGS
void ff_add_hfyu_median_pred_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

void ff_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];
}

#endif /* HAVE_INLINE_ASM */

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