[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelLowering.cpp

[Devang Patel]

Changes in directory llvm/lib/Target/X86:

X86ISelLowering.cpp updated: 1.371 -> 1.372
---
Log message:

Support 'I' inline asm constraint.


---
Diffs of the changes:  (+11 -0)

 X86ISelLowering.cpp |   11 +++++++++++
 1 files changed, 11 insertions(+)


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.371 
llvm/lib/Target/X86/X86ISelLowering.cpp:1.372
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.371       Fri Mar 16 04:44:46 2007
+++ llvm/lib/Target/X86/X86ISelLowering.cpp     Fri Mar 16 19:13:28 2007
@@ -4523,6 +4523,17 @@
 isOperandValidForConstraint(SDOperand Op, char Constraint, SelectionDAG &DAG) {
   switch (Constraint) {
   default: break;
+  case 'I':
+    if (isa<ConstantSDNode>(Op)) {
+      unsigned Value = cast<ConstantSDNode>(Op)->getValue();
+      if (Value >= 0 && Value <= 31)
+        return Op;
+      else 
+        return SDOperand(0,0);
+    } else {
+        return SDOperand(0,0);
+    }
+    break;
   case 'i':
     // Literal immediates are always ok.
     if (isa<ConstantSDNode>(Op)) return Op;



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