[llvm-commits] CVS: llvm/lib/Target/Alpha/AlphaISelPattern.cpp

Andrew Lenharth alenhar2 at cs.uiuc.edu
Tue Feb 1 16:51:30 PST 2005



Changes in directory llvm/lib/Target/Alpha:

AlphaISelPattern.cpp updated: 1.23 -> 1.24
---
Log message:

better constant handling, should fix many remaining cases

---
Diffs of the changes:  (+11 -2)

 AlphaISelPattern.cpp |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)


Index: llvm/lib/Target/Alpha/AlphaISelPattern.cpp
diff -u llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.23 llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.24
--- llvm/lib/Target/Alpha/AlphaISelPattern.cpp:1.23	Tue Feb  1 14:40:27 2005
+++ llvm/lib/Target/Alpha/AlphaISelPattern.cpp	Tue Feb  1 18:51:15 2005
@@ -1021,8 +1021,17 @@
 
   case ISD::Constant:
     {
-      long val = cast<ConstantSDNode>(N)->getValue();
-      BuildMI(BB, Alpha::LOAD_IMM, 1, Result).addImm(val);
+      unsigned long val = cast<ConstantSDNode>(N)->getValue();
+      if (val < 32000 && (long)val > -32000)
+	BuildMI(BB, Alpha::LOAD_IMM, 1, Result).addImm(val);
+      else
+	{
+	  MachineConstantPool *CP = BB->getParent()->getConstantPool();
+	  ConstantUInt *C = ConstantUInt::get(Type::getPrimitiveType(Type::ULongTyID) , val);
+	  unsigned CPI = CP->getConstantPoolIndex(C);
+	  AlphaLowering.restoreGP(BB);
+	  BuildMI(BB, Alpha::LOAD, 1, Result).addConstantPoolIndex(CPI);
+	}
       return Result;
     }
 






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