diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/RISCVInstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCVInstrInfo.td | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.td b/llvm/lib/Target/RISCV/RISCVInstrInfo.td index 6e5b4b12f5c..f0015021c16 100644 --- a/llvm/lib/Target/RISCV/RISCVInstrInfo.td +++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.td @@ -328,6 +328,17 @@ def : PatGprSimm12<setlt, SLTI>; def : PatGprGpr<setult, SLTU>; def : PatGprSimm12<setult, SLTIU>; +// Define pattern expansions for setcc operations that aren't directly +// handled by a RISC-V instruction. +def : Pat<(seteq GPR:$rs1, GPR:$rs2), (SLTIU (XOR GPR:$rs1, GPR:$rs2), 1)>; +def : Pat<(setne GPR:$rs1, GPR:$rs2), (SLTU X0, (XOR GPR:$rs1, GPR:$rs2))>; +def : Pat<(setugt GPR:$rs1, GPR:$rs2), (SLTU GPR:$rs2, GPR:$rs1)>; +def : Pat<(setuge GPR:$rs1, GPR:$rs2), (XORI (SLTU GPR:$rs1, GPR:$rs2), 1)>; +def : Pat<(setule GPR:$rs1, GPR:$rs2), (XORI (SLTU GPR:$rs2, GPR:$rs1), 1)>; +def : Pat<(setgt GPR:$rs1, GPR:$rs2), (SLT GPR:$rs2, GPR:$rs1)>; +def : Pat<(setge GPR:$rs1, GPR:$rs2), (XORI (SLT GPR:$rs1, GPR:$rs2), 1)>; +def : Pat<(setle GPR:$rs1, GPR:$rs2), (XORI (SLT GPR:$rs2, GPR:$rs1), 1)>; + let usesCustomInserter = 1 in def Select_GPR_Using_CC_GPR : Pseudo<(outs GPR:$dst), @@ -370,6 +381,15 @@ def PseudoBR : Pseudo<(outs), (ins simm21_lsb0:$imm20), [(br bb:$imm20)]>, PseudoInstExpansion<(JAL X0, simm21_lsb0:$imm20)>; let isCall = 1, Defs=[X1] in +let isBarrier = 1, isBranch = 1, isIndirectBranch = 1, isTerminator = 1 in +def PseudoBRIND : Pseudo<(outs), (ins GPR:$rs1, simm12:$imm12), []>, + PseudoInstExpansion<(JALR X0, GPR:$rs1, simm12:$imm12)>; + +def : Pat<(brind GPR:$rs1), (PseudoBRIND GPR:$rs1, 0)>; +def : Pat<(brind (add GPR:$rs1, simm12:$imm12)), + (PseudoBRIND GPR:$rs1, simm12:$imm12)>; + +let isCall = 1, Defs = [X1] in def PseudoCALL : Pseudo<(outs), (ins GPR:$rs1), [(Call GPR:$rs1)]>, PseudoInstExpansion<(JALR X1, GPR:$rs1, 0)>; |
