diff options
Diffstat (limited to 'llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td b/llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td index 36c3011be2b9..c45975431d83 100644 --- a/llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td +++ b/llvm/lib/Target/LoongArch/LoongArchFloat32InstrInfo.td @@ -10,6 +10,9 @@ // //===----------------------------------------------------------------------===// +def NotBoolXor : PatFrags<(ops node:$val), + [(xor node:$val, -1), (xor node:$val, 1)]>; + //===----------------------------------------------------------------------===// // LoongArch specific DAG Nodes. //===----------------------------------------------------------------------===// @@ -22,6 +25,9 @@ def SDT_LoongArchFTINT : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>; def SDT_LoongArchFRECIPE : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>; def SDT_LoongArchFRSQRTE : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>; +// ISD::BRCOND is custom-lowered to LoongArchISD::BRCOND for floating-point +// comparisons to prevent recursive lowering. +def loongarch_brcond : SDNode<"LoongArchISD::BRCOND", SDTBrcond, [SDNPHasChain]>; def loongarch_movgr2fr_w_la64 : SDNode<"LoongArchISD::MOVGR2FR_W_LA64", SDT_LoongArchMOVGR2FR_W_LA64>; def loongarch_movfr2gr_s_la64 @@ -208,16 +214,18 @@ def : PatFPSetcc<SETUO, FCMP_CUN_S, FPR32>; def : PatFPSetcc<SETLT, FCMP_CLT_S, FPR32>; multiclass PatFPBrcond<CondCode cc, LAInst CmpInst, RegisterClass RegTy> { - def : Pat<(brcond (xor (GRLenVT (setcc RegTy:$fj, RegTy:$fk, cc)), -1), - bb:$imm21), + def : Pat<(loongarch_brcond (NotBoolXor (GRLenVT (setcc RegTy:$fj, RegTy:$fk, cc))), + bb:$imm21), (BCEQZ (CmpInst RegTy:$fj, RegTy:$fk), bb:$imm21)>; - def : Pat<(brcond (GRLenVT (setcc RegTy:$fj, RegTy:$fk, cc)), bb:$imm21), + def : Pat<(loongarch_brcond (GRLenVT (setcc RegTy:$fj, RegTy:$fk, cc)), bb:$imm21), (BCNEZ (CmpInst RegTy:$fj, RegTy:$fk), bb:$imm21)>; } defm : PatFPBrcond<SETOEQ, FCMP_CEQ_S, FPR32>; +defm : PatFPBrcond<SETEQ , FCMP_CEQ_S, FPR32>; defm : PatFPBrcond<SETOLT, FCMP_CLT_S, FPR32>; defm : PatFPBrcond<SETOLE, FCMP_CLE_S, FPR32>; +defm : PatFPBrcond<SETLE, FCMP_CLE_S, FPR32>; defm : PatFPBrcond<SETONE, FCMP_CNE_S, FPR32>; defm : PatFPBrcond<SETO, FCMP_COR_S, FPR32>; defm : PatFPBrcond<SETUEQ, FCMP_CUEQ_S, FPR32>; |