diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp index ab70820e086..dab6225e4cf 100644 --- a/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64RegisterBankInfo.cpp @@ -221,6 +221,16 @@ AArch64RegisterBankInfo::getInstrMapping(const MachineInstr &MI) const { OpBanks[Idx] = AArch64::GPRRegBankID; } + // Some of the floating-point instructions have mixed GPR and FPR operands: + // fine-tune the computed mapping. + switch (Opc) { + case TargetOpcode::G_FCMP: { + OpBanks = {AArch64::GPRRegBankID, /* Predicate */ 0, AArch64::FPRRegBankID, + AArch64::FPRRegBankID}; + break; + } + } + // Finally construct the computed mapping. for (unsigned Idx = 0; Idx < MI.getNumOperands(); ++Idx) if (MI.getOperand(Idx).isReg()) |
