Revision: 17214
http://sourceforge.net/p/edk2/code/17214
Author: mdkinney
Date: 2015-04-27 19:41:19 +0000 (Mon, 27 Apr 2015)
Log Message:
-----------
MdePkg/BaseMemoryLibRepStr: Support IA32 processors without CMOVx
Remove use of CMOVx instruction from IA32 assembly files in
BaseMemoryLibRepStr.
This matches compiler flags for all supported C compilers.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
2015-04-27 19:41:19 UTC (rev 17214)
@@ -4,7 +4,7 @@
# Base Memory Library that uses REP string instructions for
# high performance and small size. Optimized for use in PEI.
#
-# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 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
@@ -22,7 +22,7 @@
MODULE_UNI_FILE = BaseMemoryLibRepStr.uni
FILE_GUID = e7884bf4-51a1-485b-982a-ff89129983bc
MODULE_TYPE = BASE
- VERSION_STRING = 1.0
+ VERSION_STRING = 1.1
LIBRARY_CLASS = BaseMemoryLib
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
movl 16(%esp), %eax
repne scasw
leal -2(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
mov eax, [esp + 16]
repne scasw
lea eax, [edi - 2]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem16 ENDP
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
movl 16(%esp), %eax
repne scasl
leal -4(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
mov eax, [esp + 16]
repne scasd
lea eax, [edi - 4]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem32 ENDP
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
jne L0
L1:
leal -8(%edi), %eax
- cmovne %ecx, %eax
+ jz L2
+ movl %ecx, %eax
+L2:
pop %edi
ret
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
jne @B
@@:
lea eax, [edi - 8]
- cmovne eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem64 ENDP
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
movb 16(%esp), %al
repne scasb
leal -1(%edi), %eax
- cmovnz %ecx, %eax
+ jz L0
+ movl %ecx, %eax
+L0:
pop %edi
ret
Modified: trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm
===================================================================
--- trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm
2015-04-27 19:38:39 UTC (rev 17213)
+++ trunk/edk2/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm
2015-04-27 19:41:19 UTC (rev 17214)
@@ -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 @@
mov al, [esp + 16]
repne scasb
lea eax, [edi - 1]
- cmovnz eax, ecx
+ jz @F
+ mov eax, ecx
+@@:
ret
InternalMemScanMem8 ENDP
------------------------------------------------------------------------------
One dashboard for servers and applications across Physical-Virtual-Cloud
Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
Deep dive visibility with transaction tracing using APM Insight.
http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
_______________________________________________
edk2-commits mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/edk2-commits
