diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/XCore/XCoreInstrInfo.td | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td index d75cf9b8b8..4b9ea7a491 100644 --- a/lib/Target/XCore/XCoreInstrInfo.td +++ b/lib/Target/XCore/XCoreInstrInfo.td @@ -975,5 +975,21 @@ def : Pat<(mul GRRegs:$src, -3), def : Pat<(sra GRRegs:$src, 31), (ASHR_l2rus GRRegs:$src, 32)>; +def : Pat<(brcond (setlt GRRegs:$lhs, 0), bb:$dst), + (BRFT_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>; + +// setge X, 0 is canonicalized to setgt X, -1 +def : Pat<(brcond (setgt GRRegs:$lhs, -1), bb:$dst), + (BRFF_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>; + +def : Pat<(select (setlt GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F), + (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$T, GRRegs:$F)>; + +def : Pat<(select (setgt GRRegs:$lhs, -1), GRRegs:$T, GRRegs:$F), + (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$F, GRRegs:$T)>; + +def : Pat<(setgt GRRegs:$lhs, -1), + (EQ_2rus (ASHR_l2rus GRRegs:$lhs, 32), 0)>; + def : Pat<(sra (shl GRRegs:$src, immBpwSubBitp:$imm), immBpwSubBitp:$imm), (SEXT_rus GRRegs:$src, (bpwsub_xform immBpwSubBitp:$imm))>; |