diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm index e01b80d4b..f81db28fb 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memcpy.asm @@ -1,4 +1,4 @@ -//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
//
@@ -27,14 +27,15 @@ ; );
;
__aeabi_memcpy
- CMP r2, #0
- BXEQ r14
-loop
- LDRB r3, [r1], #1
- STRB r3, [r0], #1
- SUBS r2, r2, #1
- BXEQ r14
- B loop
-
- END
+ cmp r2, #0
+ bxeq lr
+ push {lr}
+ mov lr, r0
+L5
+ ldrb r3, [r1], #1
+ strb r3, [lr], #1
+ subs r2, r2, #1
+ bne L5
+ pop {pc}
+ END
\ No newline at end of file |