Define PRIVATE and add it to all global symbols so we don't export assembly functions.

libvpx/source/libvpx/vp8/decoder/x86/dequantize_mmx.asm

 ;
 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 ;
 ;  Use of this source code is governed by a BSD-style license
 ;  that can be found in the LICENSE file in the root of the source
 ;  tree. An additional intellectual property rights grant can be found
 ;  in the file PATENTS.  All contributing project authors may
 ;  be found in the AUTHORS file in the root of the source tree.
 ;
 
 
 %include "vpx_ports/x86_abi_support.asm"
 
 
 ;void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q)
-global sym(vp8_dequantize_b_impl_mmx)
+global sym(vp8_dequantize_b_impl_mmx) PRIVATE
 sym(vp8_dequantize_b_impl_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 3
     push        rsi
     push        rdi
     ; end prolog
 
         mov       rsi, arg(0) ;sq
         mov       rdi, arg(1) ;dq
@@ skipping 17 matching lines @@
 
     ; begin epilog
     pop rdi
     pop rsi
     UNSHADOW_ARGS
     pop         rbp
     ret
 
 
 ;void dequant_idct_add_mmx(short *input, short *dq, unsigned char *pred, unsigned char *dest, int pitch, int stride)
-global sym(vp8_dequant_idct_add_mmx)
+global sym(vp8_dequant_idct_add_mmx) PRIVATE
 sym(vp8_dequant_idct_add_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 6
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
         mov         rax,    arg(0) ;input
@@ skipping 176 matching lines @@
     ; begin epilog
     pop rdi
     pop rsi
     RESTORE_GOT
     UNSHADOW_ARGS
     pop         rbp
     ret
 
 
 ;void dequant_dc_idct_add_mmx(short *input, short *dq, unsigned char *pred, unsigned char *dest, int pitch, int stride, int Dc)
-global sym(vp8_dequant_dc_idct_add_mmx)
+global sym(vp8_dequant_dc_idct_add_mmx) PRIVATE
 sym(vp8_dequant_dc_idct_add_mmx):
     push        rbp
     mov         rbp, rsp
     SHADOW_ARGS_TO_STACK 7
     GET_GOT     rbx
     push        rsi
     push        rdi
     ; end prolog
 
         mov         rax,    arg(0) ;input
@@ skipping 190 matching lines @@
 SECTION_RODATA
 align 16
 x_s1sqr2:
     times 4 dw 0x8A8C
 align 16
 x_c1sqr2less1:
     times 4 dw 0x4E7B
 align 16
 fours:
     times 4 dw 0x0004