[llvm-commits] [llvm] r68951 - /llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Dan Gohman gohman at apple.com
Mon Apr 13 08:14:04 PDT 2009


Author: djg
Date: Mon Apr 13 10:14:03 2009
New Revision: 68951

URL: http://llvm.org/viewvc/llvm-project?rev=68951&view=rev
Log:
Use X86::SUBREG_8BIT instead of hard-coding the equivalent constant.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=68951&r1=68950&r2=68951&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Mon Apr 13 10:14:03 2009
@@ -1298,7 +1298,7 @@
 SDNode *X86DAGToDAGISel::getTruncateTo8Bit(SDValue N0) {
   assert(!Subtarget->is64Bit() &&
          "getTruncateTo8Bit is only needed on x86-32!");
-  SDValue SRIdx = CurDAG->getTargetConstant(1, MVT::i32); // SubRegSet 1
+  SDValue SRIdx = CurDAG->getTargetConstant(X86::SUBREG_8BIT, MVT::i32);
   DebugLoc dl = N0.getDebugLoc();
 
   // Ensure that the source register has an 8-bit subreg on 32-bit targets
@@ -1463,7 +1463,7 @@
                                                  Result,
                                      CurDAG->getTargetConstant(8, MVT::i8)), 0);
           // Then truncate it down to i8.
-          SDValue SRIdx = CurDAG->getTargetConstant(1, MVT::i32); // SubRegSet 1
+          SDValue SRIdx = CurDAG->getTargetConstant(X86::SUBREG_8BIT, MVT::i32);
           Result = SDValue(CurDAG->getTargetNode(X86::EXTRACT_SUBREG, dl,
                                                    MVT::i8, Result, SRIdx), 0);
         } else {
@@ -1616,7 +1616,7 @@
                                         CurDAG->getTargetConstant(8, MVT::i8)), 
                            0);
           // Then truncate it down to i8.
-          SDValue SRIdx = CurDAG->getTargetConstant(1, MVT::i32); // SubRegSet 1
+          SDValue SRIdx = CurDAG->getTargetConstant(X86::SUBREG_8BIT, MVT::i32);
           Result = SDValue(CurDAG->getTargetNode(X86::EXTRACT_SUBREG, dl,
                                                    MVT::i8, Result, SRIdx), 0);
         } else {





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