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authormdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2006-09-19 19:04:40 +0000
committermdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2006-09-19 19:04:40 +0000
commit23086ba84cbb13350a2464b857b197eef67f1361 (patch)
tree4b84f42f6ed01e4db5f0dfc34440b06d348137ad /MdePkg/Library/BaseLib/Ia32/WriteMm4.c
parentb0537818290619c85993136877afae37492fe5e0 (diff)
downloadedk2-platforms-23086ba84cbb13350a2464b857b197eef67f1361.tar.xz
Optimize the size of the Base Library for the MSFT 32-bit tool chains by taking advantage of inline assembly.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1567 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/WriteMm4.c')
-rw-r--r--MdePkg/Library/BaseLib/Ia32/WriteMm4.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteMm4.c b/MdePkg/Library/BaseLib/Ia32/WriteMm4.c
new file mode 100644
index 0000000000..0ad39dc489
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/WriteMm4.c
@@ -0,0 +1,29 @@
+/** @file
+ AsmWriteMm4 function
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ All rights reserved. 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
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#if _MSC_EXTENSIONS
+
+VOID
+EFIAPI
+AsmWriteMm4 (
+ IN UINT64 Value
+ )
+{
+ _asm {
+ movq mm4, qword ptr [Value]
+ emms
+ }
+}
+
+#endif