Revert 12838 to redo it the right way (use svn copy to create new

file based on old).

Originally committed as revision 12845 to svn://svn.ffmpeg.org/ffmpeg/trunk

3 files changed, 110 insertions, 147 deletions

diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index 0cc44190ee..ea2ee3e4e6 100644
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -685,6 +685,116 @@ static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val){
 #endif
 }
 
+//FIXME the x86 code from this file should be moved into i386/h264 or cabac something.c/h (note ill kill you if you move my code away from under my fingers before iam finished with it!)
+//FIXME use some macros to avoid duplicatin get_cabac (cannot be done yet as that would make optimization work hard)
+#if defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
+static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *significant_coeff_ctx_base, int *index){
+    void *end= significant_coeff_ctx_base + max_coeff - 1;
+    int minusstart= -(int)significant_coeff_ctx_base;
+    int minusindex= 4-(int)index;
+    int coeff_count;
+    asm volatile(
+        "movl "RANGE    "(%3), %%esi            \n\t"
+        "movl "LOW      "(%3), %%ebx            \n\t"
+
+        "2:                                     \n\t"
+
+        BRANCHLESS_GET_CABAC("%%edx", "%3", "(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
+
+        "test $1, %%edx                         \n\t"
+        " jz 3f                                 \n\t"
+
+        BRANCHLESS_GET_CABAC("%%edx", "%3", "61(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
+
+        "mov  %2, %%"REG_a"                     \n\t"
+        "movl %4, %%ecx                         \n\t"
+        "add  %1, %%"REG_c"                     \n\t"
+        "movl %%ecx, (%%"REG_a")                \n\t"
+
+        "test $1, %%edx                         \n\t"
+        " jnz 4f                                \n\t"
+
+        "add  $4, %%"REG_a"                     \n\t"
+        "mov  %%"REG_a", %2                     \n\t"
+
+        "3:                                     \n\t"
+        "add  $1, %1                            \n\t"
+        "cmp  %5, %1                            \n\t"
+        " jb 2b                                 \n\t"
+        "mov  %2, %%"REG_a"                     \n\t"
+        "movl %4, %%ecx                         \n\t"
+        "add  %1, %%"REG_c"                     \n\t"
+        "movl %%ecx, (%%"REG_a")                \n\t"
+        "4:                                     \n\t"
+        "add  %6, %%eax                         \n\t"
+        "shr $2, %%eax                          \n\t"
+
+        "movl %%esi, "RANGE    "(%3)            \n\t"
+        "movl %%ebx, "LOW      "(%3)            \n\t"
+        :"=&a"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index)
+        :"r"(c), "m"(minusstart), "m"(end), "m"(minusindex)
+        : "%"REG_c, "%ebx", "%edx", "%esi", "memory"
+    );
+    return coeff_count;
+}
+
+static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coeff_ctx_base, int *index, const uint8_t *sig_off){
+    int minusindex= 4-(int)index;
+    int coeff_count;
+    long last=0;
+    asm volatile(
+        "movl "RANGE    "(%3), %%esi            \n\t"
+        "movl "LOW      "(%3), %%ebx            \n\t"
+
+        "mov %1, %%"REG_D"                      \n\t"
+        "2:                                     \n\t"
+
+        "mov %6, %%"REG_a"                      \n\t"
+        "movzbl (%%"REG_a", %%"REG_D"), %%edi   \n\t"
+        "add %5, %%"REG_D"                      \n\t"
+
+        BRANCHLESS_GET_CABAC("%%edx", "%3", "(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
+
+        "mov %1, %%edi                          \n\t"
+        "test $1, %%edx                         \n\t"
+        " jz 3f                                 \n\t"
+
+        "movzbl "MANGLE(last_coeff_flag_offset_8x8)"(%%edi), %%edi\n\t"
+        "add %5, %%"REG_D"                      \n\t"
+
+        BRANCHLESS_GET_CABAC("%%edx", "%3", "15(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
+
+        "mov %2, %%"REG_a"                      \n\t"
+        "mov %1, %%edi                          \n\t"
+        "movl %%edi, (%%"REG_a")                \n\t"
+
+        "test $1, %%edx                         \n\t"
+        " jnz 4f                                \n\t"
+
+        "add $4, %%"REG_a"                      \n\t"
+        "mov %%"REG_a", %2                      \n\t"
+
+        "3:                                     \n\t"
+        "addl $1, %%edi                         \n\t"
+        "mov %%edi, %1                          \n\t"
+        "cmpl $63, %%edi                        \n\t"
+        " jb 2b                                 \n\t"
+        "mov %2, %%"REG_a"                      \n\t"
+        "movl %%edi, (%%"REG_a")                \n\t"
+        "4:                                     \n\t"
+        "addl %4, %%eax                         \n\t"
+        "shr $2, %%eax                          \n\t"
+
+        "movl %%esi, "RANGE    "(%3)            \n\t"
+        "movl %%ebx, "LOW      "(%3)            \n\t"
+        :"=&a"(coeff_count),"+m"(last), "+m"(index)
+        :"r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base), "m"(sig_off)
+        : "%"REG_c, "%ebx", "%edx", "%esi", "%"REG_D, "memory"
+    );
+    return coeff_count;
+}
+#endif /* defined(ARCH_X86) && && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */
+
 /**
  *
  * @return the number of bytes read or 0 if no end
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index a1d4b0dfe3..4b1fe085f2 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -35,9 +35,6 @@
 #include "rectangle.h"
 
 #include "cabac.h"
-#ifdef ARCH_X86
-#include "i386/h264_i386.h"
-#endif
 
 //#undef NDEBUG
 #include <assert.h>
diff --git a/libavcodec/i386/h264_i386.h b/libavcodec/i386/h264_i386.h
deleted file mode 100644
index 79ef5299ad..0000000000
--- a/libavcodec/i386/h264_i386.h
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
- * Copyright (c) 2003 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
- */
-
-/**
- * @file h264_i386.h
- * H.264 / AVC / MPEG4 part10 codec.
- * non-MMX i386-specific optimizations for H.264
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#ifndef FFMPEG_H264_I386_H
-#define FFMPEG_H264_I386_H
-
-
-#include "cabac.h"
-
-//FIXME use some macros to avoid duplicatin get_cabac (cannot be done yet as that would make optimization work hard)
-#if defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
-static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *significant_coeff_ctx_base, int *index){
-    void *end= significant_coeff_ctx_base + max_coeff - 1;
-    int minusstart= -(int)significant_coeff_ctx_base;
-    int minusindex= 4-(int)index;
-    int coeff_count;
-    asm volatile(
-        "movl "RANGE    "(%3), %%esi            \n\t"
-        "movl "LOW      "(%3), %%ebx            \n\t"
-
-        "2:                                     \n\t"
-
-        BRANCHLESS_GET_CABAC("%%edx", "%3", "(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
-
-        "test $1, %%edx                         \n\t"
-        " jz 3f                                 \n\t"
-
-        BRANCHLESS_GET_CABAC("%%edx", "%3", "61(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
-
-        "mov  %2, %%"REG_a"                     \n\t"
-        "movl %4, %%ecx                         \n\t"
-        "add  %1, %%"REG_c"                     \n\t"
-        "movl %%ecx, (%%"REG_a")                \n\t"
-
-        "test $1, %%edx                         \n\t"
-        " jnz 4f                                \n\t"
-
-        "add  $4, %%"REG_a"                     \n\t"
-        "mov  %%"REG_a", %2                     \n\t"
-
-        "3:                                     \n\t"
-        "add  $1, %1                            \n\t"
-        "cmp  %5, %1                            \n\t"
-        " jb 2b                                 \n\t"
-        "mov  %2, %%"REG_a"                     \n\t"
-        "movl %4, %%ecx                         \n\t"
-        "add  %1, %%"REG_c"                     \n\t"
-        "movl %%ecx, (%%"REG_a")                \n\t"
-        "4:                                     \n\t"
-        "add  %6, %%eax                         \n\t"
-        "shr $2, %%eax                          \n\t"
-
-        "movl %%esi, "RANGE    "(%3)            \n\t"
-        "movl %%ebx, "LOW      "(%3)            \n\t"
-        :"=&a"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index)
-        :"r"(c), "m"(minusstart), "m"(end), "m"(minusindex)
-        : "%"REG_c, "%ebx", "%edx", "%esi", "memory"
-    );
-    return coeff_count;
-}
-
-static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coeff_ctx_base, int *index, const uint8_t *sig_off){
-    int minusindex= 4-(int)index;
-    int coeff_count;
-    long last=0;
-    asm volatile(
-        "movl "RANGE    "(%3), %%esi            \n\t"
-        "movl "LOW      "(%3), %%ebx            \n\t"
-
-        "mov %1, %%"REG_D"                      \n\t"
-        "2:                                     \n\t"
-
-        "mov %6, %%"REG_a"                      \n\t"
-        "movzbl (%%"REG_a", %%"REG_D"), %%edi   \n\t"
-        "add %5, %%"REG_D"                      \n\t"
-
-        BRANCHLESS_GET_CABAC("%%edx", "%3", "(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
-
-        "mov %1, %%edi                          \n\t"
-        "test $1, %%edx                         \n\t"
-        " jz 3f                                 \n\t"
-
-        "movzbl "MANGLE(last_coeff_flag_offset_8x8)"(%%edi), %%edi\n\t"
-        "add %5, %%"REG_D"                      \n\t"
-
-        BRANCHLESS_GET_CABAC("%%edx", "%3", "15(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al")
-
-        "mov %2, %%"REG_a"                      \n\t"
-        "mov %1, %%edi                          \n\t"
-        "movl %%edi, (%%"REG_a")                \n\t"
-
-        "test $1, %%edx                         \n\t"
-        " jnz 4f                                \n\t"
-
-        "add $4, %%"REG_a"                      \n\t"
-        "mov %%"REG_a", %2                      \n\t"
-
-        "3:                                     \n\t"
-        "addl $1, %%edi                         \n\t"
-        "mov %%edi, %1                          \n\t"
-        "cmpl $63, %%edi                        \n\t"
-        " jb 2b                                 \n\t"
-        "mov %2, %%"REG_a"                      \n\t"
-        "movl %%edi, (%%"REG_a")                \n\t"
-        "4:                                     \n\t"
-        "addl %4, %%eax                         \n\t"
-        "shr $2, %%eax                          \n\t"
-
-        "movl %%esi, "RANGE    "(%3)            \n\t"
-        "movl %%ebx, "LOW      "(%3)            \n\t"
-        :"=&a"(coeff_count),"+m"(last), "+m"(index)
-        :"r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base), "m"(sig_off)
-        : "%"REG_c, "%ebx", "%edx", "%esi", "%"REG_D, "memory"
-    );
-    return coeff_count;
-}
-#endif /* defined(ARCH_X86) && && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */
-
-#endif /* FFMPEG_H264_I386_H */