diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/Ia32')
8 files changed, 32 insertions, 16 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S index e247d4ad09..585cda6f8c 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -47,6 +47,8 @@ ASM_PFX(InternalMemScanMem16): movl 16(%esp), %eax
repne scasw
leal -2(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm index 0ee190e46a..c12eaff27a 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm @@ -1,6 +1,6 @@ ;------------------------------------------------------------------------------
;
-; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@@ -48,7 +48,9 @@ InternalMemScanMem16 PROC USES edi mov eax, [esp + 16]
repne scasw
lea eax, [edi - 2]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem16 ENDP
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S index 066fde42ce..91f04fa800 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -47,6 +47,8 @@ ASM_PFX(InternalMemScanMem32): movl 16(%esp), %eax
repne scasl
leal -4(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm index adbf295621..b065620594 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm @@ -1,6 +1,6 @@ ;------------------------------------------------------------------------------
;
-; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@@ -48,7 +48,9 @@ InternalMemScanMem32 PROC USES edi mov eax, [esp + 16]
repne scasd
lea eax, [edi - 4]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem32 ENDP
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S index b3435d7fc3..5224cf7153 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -56,6 +56,8 @@ L0: jne L0
L1:
leal -8(%edi), %eax
- cmovne %ecx, %eax
+ jz L2
+ movl %ecx, %eax
+L2:
pop %edi
ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm index 0a0f5d0468..96e3b99f72 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm @@ -1,6 +1,6 @@ ;------------------------------------------------------------------------------
;
-; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@@ -57,7 +57,9 @@ InternalMemScanMem64 PROC USES edi jne @B
@@:
lea eax, [edi - 8]
- cmovne eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem64 ENDP
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S index 5e451fd7b9..d490ee7fd0 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -47,6 +47,8 @@ ASM_PFX(InternalMemScanMem8): movb 16(%esp), %al
repne scasb
leal -1(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm index c64d41d6c1..202d58f790 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm @@ -1,6 +1,6 @@ ;------------------------------------------------------------------------------
;
-; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@@ -48,7 +48,9 @@ InternalMemScanMem8 PROC USES edi mov al, [esp + 16]
repne scasb
lea eax, [edi - 1]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem8 ENDP
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