[llvm-commits] CVS: llvm/lib/Target/PowerPC/PPCInstrInfo.td

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

PPCInstrInfo.td updated: 1.226 -> 1.227
---
Log message:

64-bit bugfix: 0xFFFF0000 cannot be formed with a single lis.


---
Diffs of the changes:  (+5 -1)

 PPCInstrInfo.td |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletion(-)


Index: llvm/lib/Target/PowerPC/PPCInstrInfo.td
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.226 llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.227
--- llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.226	Mon Jun 19 19:39:56 2006
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.td	Tue Jun 20 16:39:30 2006
@@ -143,7 +143,11 @@
 def imm16Shifted : PatLeaf<(imm), [{
   // imm16Shifted predicate - True if only bits in the top 16-bits of the
   // immediate are set.  Used by instructions like 'addis'.
-  return ((unsigned)N->getValue() & 0xFFFF0000U) == (unsigned)N->getValue();
+  if (N->getValue() & 0xFFFF) return false;
+  if (N->getValueType(0) == MVT::i32)
+    return true;
+  // For 64-bit, make sure it is sext right.
+  return N->getValue() == (uint64_t)(int)N->getValue();
 }], HI16>;