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

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

PowerPCInstrInfo.td updated: 1.103 -> 1.104
---
Log message:

learn to codegen not as NOR instead of xoris/xori


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

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


Index: llvm/lib/Target/PowerPC/PowerPCInstrInfo.td
diff -u llvm/lib/Target/PowerPC/PowerPCInstrInfo.td:1.103 llvm/lib/Target/PowerPC/PowerPCInstrInfo.td:1.104
--- llvm/lib/Target/PowerPC/PowerPCInstrInfo.td:1.103	Mon Sep 26 17:20:16 2005
+++ llvm/lib/Target/PowerPC/PowerPCInstrInfo.td	Wed Sep 28 12:13:15 2005
@@ -765,7 +765,11 @@
 // Arbitrary immediate support.  Implement in terms of LIS/ORI.
 def : Pat<(i32 imm:$imm),
           (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
-          
+
+// Implement the 'not' operation with the NOR instruction.
+def NOT : Pat<(not GPRC:$in),
+              (NOR GPRC:$in, GPRC:$in)>;
+
 // or by an arbitrary immediate.
 def : Pat<(or GPRC:$in, imm:$imm),
           (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;