diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm index 928e086889..5d12beaa9a 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.nasm @@ -43,14 +43,17 @@ ASM_PFX(InternalMemSetMem32): rep stosd
.0:
mov rcx, rdx
- and edx, 3
- shr rcx, 2
+ and edx, 15
+ shr rcx, 4
jz @SetDwords
movd xmm0, eax
pshufd xmm0, xmm0, 0
.1:
movntdq [rdi], xmm0
- add rdi, 16
+ movntdq [rdi + 16], xmm0
+ movntdq [rdi + 32], xmm0
+ movntdq [rdi + 48], xmm0
+ add rdi, 64
loop .1
mfence
@SetDwords:
|