Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added missing assembly functions for __swap_float() and __swap_double().

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12767 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-05-22 23:16:55 +00:00
parent 2dbb0e96d5
commit 97c5bef4a1
1 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/system/libroot/os/arch/x86/byteorder.S
View File

@ -1,7 +1,7 @@
/*
** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
/*
* Copyright 2003-2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#define FUNCTION(x) .global x; .type x,@function; x
@ -38,5 +38,20 @@ FUNCTION(__swap_int64):
ret
/* float __swap_float(float value) */
FUNCTION(__swap_float):
movl 4(%esp), %eax
bswap %eax
movl %eax, 4(%esp)
fld 4(%esp)
ret
/* double __swap_double(double value) */
FUNCTION(__swap_double):
movl 4(%esp), %edx /* the 32-bits registers are swapped here */
movl 8(%esp), %eax
bswap %eax
bswap %edx
movl %eax, 4(%esp)
movl %edx, 8(%esp)
fldl 4(%esp)
ret