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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 13:31:28 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 13:31:28 +0000 |
| commit | b573f99ab71413c718086eed89490635d52c685c (patch) | |
| tree | 4fade225728963e603fc3f12bb160137e170fdc2 | |
| parent | 26ba0b1ec505bf6d6b8845e039690f9a06323ceb (diff) | |
Add xor reg-reg pattern
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75915 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 7 | ||||
| -rw-r--r-- | test/CodeGen/SystemZ/02-RetXor.ll | 6 | ||||
| -rw-r--r-- | test/CodeGen/SystemZ/02-RetXorImm.ll | 6 |
3 files changed, 19 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index 66b2db972c..c4121fe604 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -77,5 +77,12 @@ def OR64rr : Pseudo<(outs GR64:$dst), (ins GR64:$src1, GR64:$src2), } // FIXME: provide patterns for masked or-with-imm +let isCommutable = 1 in { // X = XOR Y, Z == X = XOR Z, Y +// FIXME: Provide proper encoding! +def XOR64rr : Pseudo<(outs GR64:$dst), (ins GR64:$src1, GR64:$src2), + "xgr\t{$dst, $src2}", + [(set GR64:$dst, (xor GR64:$src1, GR64:$src2))]>; +} + } // Defs = [PSW] } // isTwoAddress = 1 diff --git a/test/CodeGen/SystemZ/02-RetXor.ll b/test/CodeGen/SystemZ/02-RetXor.ll new file mode 100644 index 0000000000..b15d9460a6 --- /dev/null +++ b/test/CodeGen/SystemZ/02-RetXor.ll @@ -0,0 +1,6 @@ +; RUN: llvm-as < %s | llc +define i64 @foo(i64 %a, i64 %b) { +entry: + %c = xor i64 %a, %b + ret i64 %c +}
\ No newline at end of file diff --git a/test/CodeGen/SystemZ/02-RetXorImm.ll b/test/CodeGen/SystemZ/02-RetXorImm.ll new file mode 100644 index 0000000000..f1f835a0ed --- /dev/null +++ b/test/CodeGen/SystemZ/02-RetXorImm.ll @@ -0,0 +1,6 @@ +; RUN: llvm-as < %s | llc +define i64 @foo(i64 %a, i64 %b) { +entry: + %c = xor i64 %a, 1 + ret i64 %c +}
\ No newline at end of file |