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Use X86::SUBREG_8BIT instead of hard-coding the equivalent constant.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-04-13 15:14:03 +00:00
parent 04d19f0241
commit 3cd0aa3260
1 changed files with 3 additions and 3 deletions
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6
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -1298,7 +1298,7 @@ static SDNode *FindCallStartFromCall(SDNode *Node) {
SDNode *X86DAGToDAGISel::getTruncateTo8Bit(SDValue N0) { SDNode *X86DAGToDAGISel::getTruncateTo8Bit(SDValue N0) {
assert(!Subtarget->is64Bit() && assert(!Subtarget->is64Bit() &&
"getTruncateTo8Bit is only needed on x86-32!"); "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(); DebugLoc dl = N0.getDebugLoc();
// Ensure that the source register has an 8-bit subreg on 32-bit targets // Ensure that the source register has an 8-bit subreg on 32-bit targets
@ -1463,7 +1463,7 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) {
Result, Result,
CurDAG->getTargetConstant(8, MVT::i8)), 0); CurDAG->getTargetConstant(8, MVT::i8)), 0);
// Then truncate it down to i8. // 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, Result = SDValue(CurDAG->getTargetNode(X86::EXTRACT_SUBREG, dl,
MVT::i8, Result, SRIdx), 0); MVT::i8, Result, SRIdx), 0);
} else { } else {
@ -1616,7 +1616,7 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) {
CurDAG->getTargetConstant(8, MVT::i8)), CurDAG->getTargetConstant(8, MVT::i8)),
0); 0);
// Then truncate it down to i8. // 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, Result = SDValue(CurDAG->getTargetNode(X86::EXTRACT_SUBREG, dl,
MVT::i8, Result, SRIdx), 0); MVT::i8, Result, SRIdx), 0);
} else { } else {