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| author | Nate Begeman <natebegeman@mac.com> | 2005-10-21 06:36:18 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-10-21 06:36:18 +0000 |
| commit | ae1641c39fe9886e4b22a5d79b5a25b4041b62bd (patch) | |
| tree | 5ea2b20c823913a5d30a0291fc6873881dd93686 /lib | |
| parent | 63ad7963e4fc68a418cc48e21ba175a2d7093ec9 (diff) | |
| download | llvm-ae1641c39fe9886e4b22a5d79b5a25b4041b62bd.tar.gz llvm-ae1641c39fe9886e4b22a5d79b5a25b4041b62bd.tar.bz2 llvm-ae1641c39fe9886e4b22a5d79b5a25b4041b62bd.tar.xz | |
Match rotate. This does actually match the rotates in an rc5 cipher, but I
haven't seen it fire on our testsuite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23863 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index 61be2ea648..97beafb4e5 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -742,6 +742,9 @@ def : Pat<(or GPRC:$in, imm:$imm), // 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)>; |