diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S index c1755539d3..add04443b2 100644 --- a/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S +++ b/MdePkg/Library/BaseMemoryLibOptDxe/Arm/SetMem.S @@ -16,27 +16,37 @@ .thumb
.syntax unified
.align 5
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
- movs r2, #0
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
- uxtb r2, r2
- orr r2, r2, r2, lsl #8
-
ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
ASM_PFX(InternalMemSetMem16):
uxth r2, r2
+ lsl r1, r1, #1
orr r2, r2, r2, lsl #16
+ b 0f
ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
ASM_PFX(InternalMemSetMem32):
- mov r3, r2
+ lsl r1, r1, #2
+ b 0f
ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
ASM_PFX(InternalMemSetMem64):
- push {r4, lr}
+ lsl r1, r1, #3
+ b 1f
+
+ .align 5
+ASM_GLOBAL ASM_PFX(InternalMemSetMem)
+ASM_PFX(InternalMemSetMem):
+ uxtb r2, r2
+ orr r2, r2, r2, lsl #8
+ orr r2, r2, r2, lsl #16
+ b 0f
+
+ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
+ASM_PFX(InternalMemZeroMem):
+ movs r2, #0
+0: mov r3, r2
+
+1: push {r4, lr}
cmp r1, #16 // fewer than 16 bytes of input?
add r1, r1, r0 // r1 := dst + length
add lr, r0, #16
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