ARM assembly parsing and encoding for VLD1 w/ writeback.
One and two length register list variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142861 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index a13554f..a278f6f 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -198,6 +198,10 @@
const SmallVectorImpl<MCParsedAsmOperand*> &);
bool cvtThumbMultiply(MCInst &Inst, unsigned Opcode,
const SmallVectorImpl<MCParsedAsmOperand*> &);
+ bool cvtVLDwbFixed(MCInst &Inst, unsigned Opcode,
+ const SmallVectorImpl<MCParsedAsmOperand*> &);
+ bool cvtVLDwbRegister(MCInst &Inst, unsigned Opcode,
+ const SmallVectorImpl<MCParsedAsmOperand*> &);
bool validateInstruction(MCInst &Inst,
const SmallVectorImpl<MCParsedAsmOperand*> &Ops);
@@ -3326,6 +3330,36 @@
return true;
}
+bool ARMAsmParser::
+cvtVLDwbFixed(MCInst &Inst, unsigned Opcode,
+ const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ // Vd
+ ((ARMOperand*)Operands[3])->addVecListTwoDOperands(Inst, 1);
+ // Create a writeback register dummy placeholder.
+ Inst.addOperand(MCOperand::CreateImm(0));
+ // Vn
+ ((ARMOperand*)Operands[4])->addAlignedMemoryOperands(Inst, 2);
+ // pred
+ ((ARMOperand*)Operands[1])->addCondCodeOperands(Inst, 2);
+ return true;
+}
+
+bool ARMAsmParser::
+cvtVLDwbRegister(MCInst &Inst, unsigned Opcode,
+ const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
+ // Vd
+ ((ARMOperand*)Operands[3])->addVecListTwoDOperands(Inst, 1);
+ // Create a writeback register dummy placeholder.
+ Inst.addOperand(MCOperand::CreateImm(0));
+ // Vn
+ ((ARMOperand*)Operands[4])->addAlignedMemoryOperands(Inst, 2);
+ // Vm
+ ((ARMOperand*)Operands[5])->addRegOperands(Inst, 1);
+ // pred
+ ((ARMOperand*)Operands[1])->addCondCodeOperands(Inst, 2);
+ return true;
+}
+
/// Parse an ARM memory expression, return false if successful else return true
/// or an error. The first token must be a '[' when called.
bool ARMAsmParser::