diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm b/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm index 2a8dc7d019..c2e2842a63 100644 --- a/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm +++ b/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.asm @@ -21,21 +21,33 @@ AREA SetMem, CODE, READONLY, CODEALIGN, ALIGN=5
THUMB
-InternalMemZeroMem
- movs r2, #0
+InternalMemSetMem16
+ uxth r2, r2
+ lsl r1, r1, #1
+ orr r2, r2, r2, lsl #16
+ b B0
+
+InternalMemSetMem32
+ lsl r1, r1, #2
+ b B0
+
+InternalMemSetMem64
+ lsl r1, r1, #3
+ b B1
+ ALIGN 32
InternalMemSetMem
uxtb r2, r2
orr r2, r2, r2, lsl #8
+ orr r2, r2, r2, lsl #16
+ b B0
-InternalMemSetMem16
- uxth r2, r2
- orr r2, r2, r2, lsr #16
-
-InternalMemSetMem32
+InternalMemZeroMem
+ movs r2, #0
+B0
mov r3, r2
-InternalMemSetMem64
+B1
push {r4, lr}
cmp r1, #16 ; fewer than 16 bytes of input?
add r1, r1, r0 ; r1 := dst + length
|