From: Andrew Lenharth <andrewl@lenharth.org>
Date: Wed, 2 Feb 2005 00:51:15 +0000 (+0000)
Subject: better constant handling, should fix many remaining cases
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=22d5a41f9a945ea61504477f3d2ea87af11b5c13;p=oota-llvm.git

better constant handling, should fix many remaining cases


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19984 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp
index dcd2407084a..e8de3c8bd7b 100644
--- a/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -1021,8 +1021,17 @@ unsigned ISel::SelectExpr(SDOperand N) {
 
   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;
     }