[tkreuzer] 58060: [PSEH3] Tiny asm optimization.

Author: tkreuzer
Date: Sun Dec 30 19:02:54 2012
New Revision: 58060

URL: http://svn.reactos.org/svn/reactos?rev=58060&view=rev
Log:
[PSEH3]
Tiny asm optimization.

Modified:
    trunk/reactos/include/reactos/libs/pseh/pseh3.h

Modified: trunk/reactos/include/reactos/libs/pseh/pseh3.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/pseh/p...
==============================================================================
--- trunk/reactos/include/reactos/libs/pseh/pseh3.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/pseh/pseh3.h [iso-8859-1] Sun Dec 30 19:02:54 2012
@@ -95,18 +95,20 @@

/* This is an asm wrapper around _SEH3$_RegisterFrame */
 #define _SEH3$_RegisterFrame(_TrylevelFrame, _DataTable, _Target) \
-    asm goto ("call __SEH3$_RegisterFrame\n" \
+    asm goto ("leal %0, %%ecx\n" \
+              "call __SEH3$_RegisterFrame\n" \
               : \
-              : "c" (_TrylevelFrame), "a" (_DataTable) \
-              : "edx", "memory" \
+              : "m" (*(_TrylevelFrame)), "a" (_DataTable) \
+              : "ecx", "edx", "memory" \
               : _Target)

/* This is an asm wrapper around _SEH3$_EnterTryLevel */
 #define _SEH3$_RegisterTryLevel(_TrylevelFrame, _DataTable, _Target) \
-    asm goto ("call __SEH3$_RegisterTryLevel\n" \
+    asm goto ("leal %0, %%ecx\n" \
+              "call __SEH3$_RegisterTryLevel\n" \
               : \
-              : "c" (_TrylevelFrame), "a" (_DataTable) \
-              : "edx", "memory" \
+              : "m" (*(_TrylevelFrame)), "a" (_DataTable) \
+              : "ecx", "edx", "memory" \
               : _Target)

/* On GCC the filter function is a nested function with __fastcall calling