Changes in directory llvm/lib/Target/Alpha:
AlphaISelDAGToDAG.cpp updated: 1.26 -> 1.27
---
Log message:
make 0 codegen much better
---
Diffs of the changes: (+4 -0)
AlphaISelDAGToDAG.cpp | 4 ++++
1 files changed, 4 insertions(+)
Index: llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
diff -u llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.26
llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.27
--- llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp:1.26 Mon Jan 2 15:15:53 2006
+++ llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp Fri Jan 6 13:41:51 2006
@@ -241,6 +241,10 @@
}
case ISD::Constant: {
uint64_t uval = cast<ConstantSDNode>(N)->getValue();
+
+ if (uval == 0)
+ return CurDAG->getCopyFromReg(CurDAG->getEntryNode(), Alpha::R31,
MVT::i64);
+
int64_t val = (int64_t)uval;
int32_t val32 = (int32_t)val;
if (val <= IMM_HIGH + IMM_HIGH * IMM_MULT &&
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