Operands.size() == 4) {
ARMOperand *Op = static_cast<ARMOperand *>(Operands[2]);
assert(Op->isReg() && "expected register argument");
- assert(MRI->getMatchingSuperReg(Op->getReg(), ARM::gsub_0,
- &MRI->getRegClass(ARM::GPRPairRegClassID))
- && "expected register pair");
+
+ unsigned SuperReg = MRI->getMatchingSuperReg(
+ Op->getReg(), ARM::gsub_0, &MRI->getRegClass(ARM::GPRPairRegClassID));
+
+ assert(SuperReg && "expected register pair");
+
+ unsigned PairedReg = MRI->getSubReg(SuperReg, ARM::gsub_1);
+
Operands.insert(Operands.begin() + 3,
- ARMOperand::CreateReg(Op->getReg() + 1, Op->getStartLoc(),
+ ARMOperand::CreateReg(PairedReg, Op->getStartLoc(),
Op->getEndLoc()));
}
--- /dev/null
+// PR19320
+// RUN: llvm-mc -triple=armv7-linux-gnueabi -show-encoding < %s | FileCheck %s
+.text
+
+// CHECK: ldrd r12, sp, [r0, #32] @ encoding: [0xd0,0xc2,0xc0,0xe1]
+ ldrd r12, [r0, #32]
+
+// CHECK: strd r12, sp, [r0, #32] @ encoding: [0xf0,0xc2,0xc0,0xe1]
+ strd r12, [r0, #32]