diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 14063eac1f5..6d6255f2cc2 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -5347,8 +5347,17 @@ validateInstruction(MCInst &Inst, case ARM::LDRD: case ARM::LDRD_PRE: case ARM::LDRD_POST: { + unsigned RtReg = Inst.getOperand(0).getReg(); + // Rt can't be R14. + if (RtReg == ARM::LR) + return Error(Operands[3]->getStartLoc(), + "Rt can't be R14"); + unsigned Rt = MRI->getEncodingValue(RtReg); + // Rt must be even-numbered. + if ((Rt & 1) == 1) + return Error(Operands[3]->getStartLoc(), + "Rt must be even-numbered"); // Rt2 must be Rt + 1. - unsigned Rt = MRI->getEncodingValue(Inst.getOperand(0).getReg()); unsigned Rt2 = MRI->getEncodingValue(Inst.getOperand(1).getReg()); if (Rt2 != Rt + 1) return Error(Operands[3]->getStartLoc(), |
