[llvm-commits] [llvm] r49593 - /llvm/trunk/lib/Target/X86/X86Subtarget.cpp

[Anton Korobeynikov]

Author: asl
Date: Sat Apr 12 17:12:22 2008
New Revision: 49593

URL: http://llvm.org/viewvc/llvm-project?rev=49593&view=rev
Log:
Provide option for stack alignment override

Modified:
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=49593&r1=49592&r2=49593&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Sat Apr 12 17:12:22 2008
@@ -26,6 +26,10 @@
     clEnumValN(X86Subtarget::Intel, "intel", "  Emit Intel-style assembly"),
     clEnumValEnd));
 
+cl::opt<unsigned>
+StackAlignment("stack-alignment", cl::init(0),
+               cl::desc("Override default stack alignment"));
+
 
 /// True if accessing the GV requires an extra load. For Windows, dllimported
 /// symbols are indirect, loading the value at address GV rather then the
@@ -316,4 +320,7 @@
       TargetType == isWindows ||
       (TargetType == isELF && Is64Bit))
     stackAlignment = 16;
+
+  if (StackAlignment)
+    stackAlignment = StackAlignment;
 }