Add support for ARM's Advanced SIMD (NEON) instruction set.
This is still a work in progress but most of the NEON instruction set
is supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 948a100..58ba50e 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -285,12 +285,22 @@
const char *Modifier) {
const MachineOperand &MO = MI->getOperand(opNum);
switch (MO.getType()) {
- case MachineOperand::MO_Register:
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
- O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
- else
+ case MachineOperand::MO_Register: {
+ unsigned Reg = MO.getReg();
+ if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
+ if (Modifier && strcmp(Modifier, "dregpair") == 0) {
+ unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
+ unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
+ O << '{'
+ << TRI->getAsmName(DRegLo) << "-" << TRI->getAsmName(DRegHi)
+ << '}';
+ } else {
+ O << TRI->getAsmName(Reg);
+ }
+ } else
assert(0 && "not implemented");
break;
+ }
case MachineOperand::MO_Immediate: {
if (!Modifier || strcmp(Modifier, "no_hash") != 0)
O << "#";