From 40c7d0ae3c093413bb3970b69f68958ac7e21380 Mon Sep 17 00:00:00 2001
From: Jason Garrett-Glaser <darkshikari@gmail.com>
Date: Fri, 19 Dec 2008 03:01:08 +0000
Subject: [PATCH] Add automatic prefix handling to yasm functions.  Does
 nothing now, but will be useful for porting x264 asm in the future.

Originally committed as revision 16234 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/i386/dsputil_yasm.asm |  2 +-
 libavcodec/i386/fft_mmx.asm      |  2 +-
 libavcodec/i386/x86inc.asm       | 18 ++++++------------
 3 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/libavcodec/i386/dsputil_yasm.asm b/libavcodec/i386/dsputil_yasm.asm
index 09beb5cf42..91165f2fb7 100644
--- a/libavcodec/i386/dsputil_yasm.asm
+++ b/libavcodec/i386/dsputil_yasm.asm
@@ -34,7 +34,7 @@ section .text align=16
 
 %macro FLOAT_TO_INT16_INTERLEAVE6 1
 ; void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
-cglobal ff_float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5
+cglobal float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5
 %ifdef ARCH_X86_64
     %define lend r10d
     mov     lend, r2d
diff --git a/libavcodec/i386/fft_mmx.asm b/libavcodec/i386/fft_mmx.asm
index c0a9bd5b6b..39718677ae 100644
--- a/libavcodec/i386/fft_mmx.asm
+++ b/libavcodec/i386/fft_mmx.asm
@@ -451,7 +451,7 @@ dispatch_tab%3%2: pointer list_of_fft
 
 ; On x86_32, this function does the register saving and restoring for all of fft.
 ; The others pass args in registers and don't spill anything.
-cglobal ff_fft_dispatch%3%2, 2,5,0, z, nbits
+cglobal fft_dispatch%3%2, 2,5,0, z, nbits
     lea r2, [dispatch_tab%3%2 GLOBAL]
     mov r2, [r2 + (nbitsq-2)*gprsize]
     call r2
diff --git a/libavcodec/i386/x86inc.asm b/libavcodec/i386/x86inc.asm
index 54c4679669..3729b5b101 100644
--- a/libavcodec/i386/x86inc.asm
+++ b/libavcodec/i386/x86inc.asm
@@ -370,20 +370,14 @@ DECLARE_REG 6, ebp, ebp, bp, null, [esp + stack_offset + 28]
 
 ; Symbol prefix for C linkage
 %macro cglobal 1-2+
+    %xdefine %1 ff_%1
+    %ifdef PREFIX
+        %xdefine %1 _ %+ %1
+    %endif
     %ifidn __OUTPUT_FORMAT__,elf
-        %ifdef PREFIX
-            global _%1:function hidden
-            %define %1 _%1
-        %else
-            global %1:function hidden
-        %endif
+        global %1:function hidden
     %else
-        %ifdef PREFIX
-            global _%1
-            %define %1 _%1
-        %else
-            global %1
-        %endif
+        global %1
     %endif
     align function_align
     %1: