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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 | fd0d55ec69560679e73f4bef9b558b3a2e1c1626 (patch) | |
| tree | efd7acae751257739bf29534aac5355993d67886 | |
| parent | 5df0e36e98c96892700e19bd6225d9be5eae2ccf (diff) | |
| download | bcm5719-llvm-fd0d55ec69560679e73f4bef9b558b3a2e1c1626.tar.gz bcm5719-llvm-fd0d55ec69560679e73f4bef9b558b3a2e1c1626.zip | |
Match rotate. This does actually match the rotates in an rc5 cipher, but I
haven't seen it fire on our testsuite.
llvm-svn: 23863
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrInfo.td | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.td b/llvm/lib/Target/PowerPC/PPCInstrInfo.td index 61be2ea648e..97beafb4e54 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrInfo.td +++ b/llvm/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)>; |
