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

[Nate Begeman]

Changes in directory llvm/lib/Target/PowerPC:

PPCInstrInfo.td updated: 1.131 -> 1.132
---
Log message:

Match rotate.  This does actually match the rotates in an rc5 cipher, but I
haven't seen it fire on our testsuite.


---
Diffs of the changes:  (+3 -0)

 PPCInstrInfo.td |    3 +++
 1 files changed, 3 insertions(+)


Index: llvm/lib/Target/PowerPC/PPCInstrInfo.td
diff -u llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.131 llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.132
--- llvm/lib/Target/PowerPC/PPCInstrInfo.td:1.131	Thu Oct 20 02:51:08 2005
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.td	Fri Oct 21 01:36:18 2005
@@ -742,6 +742,9 @@
 // XOR an arbitrary immediate.
 def : Pat<(xor GPRC:$in, imm:$imm),
           (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
+def : Pat<(or (shl GPRC:$rS, GPRC:$rB),
+              (srl GPRC:$rS, (sub 32, GPRC:$rB))),
+          (RLWNM GPRC:$rS, GPRC:$rB, 0, 31)>;
 
 def : Pat<(zext GPRC:$in),
           (RLDICL (OR4To8 GPRC:$in, GPRC:$in), 0, 32)>;