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Diffstat (limited to 'lib/Target/Mips/AsmParser/MipsAsmParser.cpp')
-rw-r--r--lib/Target/Mips/AsmParser/MipsAsmParser.cpp68
1 files changed, 67 insertions, 1 deletions
diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 58b5590257..43bd345208 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -11,11 +11,20 @@
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
+#include "llvm/MC/MCTargetAsmParser.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/MathExtras.h"
using namespace llvm;
namespace {
class MipsAsmParser : public MCTargetAsmParser {
+
+#define GET_ASSEMBLER_HEADER
+#include "MipsGenAsmMatcher.inc"
+
bool MatchAndEmitInstruction(SMLoc IDLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
MCStreamer &Out);
@@ -23,10 +32,11 @@ class MipsAsmParser : public MCTargetAsmParser {
bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
bool ParseInstruction(StringRef Name, SMLoc NameLoc,
- SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+ SmallVectorImpl<MCParsedAsmOperand*> &Operands);
bool ParseDirective(AsmToken DirectiveID);
+ OperandMatchResultTy parseMemOperand(SmallVectorImpl<MCParsedAsmOperand*>&);
public:
MipsAsmParser(MCSubtargetInfo &sti, MCAsmParser &parser)
: MCTargetAsmParser() {
@@ -35,6 +45,57 @@ public:
};
}
+namespace {
+
+/// MipsOperand - Instances of this class represent a parsed Mips machine
+/// instruction.
+class MipsOperand : public MCParsedAsmOperand {
+ enum KindTy {
+ k_CondCode,
+ k_CoprocNum,
+ k_Immediate,
+ k_Memory,
+ k_PostIndexRegister,
+ k_Register,
+ k_Token
+ } Kind;
+
+ MipsOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {}
+public:
+ void addRegOperands(MCInst &Inst, unsigned N) const {
+ llvm_unreachable("unimplemented!");
+ }
+ void addExpr(MCInst &Inst, const MCExpr *Expr) const{
+ llvm_unreachable("unimplemented!");
+ }
+ void addImmOperands(MCInst &Inst, unsigned N) const {
+ llvm_unreachable("unimplemented!");
+ }
+ void addMemOperands(MCInst &Inst, unsigned N) const {
+ llvm_unreachable("unimplemented!");
+ }
+
+ bool isReg() const { return Kind == k_Register; }
+ bool isImm() const { return Kind == k_Immediate; }
+ bool isToken() const { return Kind == k_Token; }
+ bool isMem() const { return Kind == k_Memory; }
+
+ StringRef getToken() const {
+ assert(Kind == k_Token && "Invalid access!");
+ return "";
+ }
+
+ unsigned getReg() const {
+ assert((Kind == k_Register) && "Invalid access!");
+ return 0;
+ }
+
+ virtual void print(raw_ostream &OS) const {
+ llvm_unreachable("unimplemented!");
+ }
+};
+}
+
bool MipsAsmParser::
MatchAndEmitInstruction(SMLoc IDLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
@@ -58,6 +119,11 @@ ParseDirective(AsmToken DirectiveID) {
return true;
}
+MipsAsmParser::OperandMatchResultTy MipsAsmParser::
+ parseMemOperand(SmallVectorImpl<MCParsedAsmOperand*>&) {
+ return MatchOperand_ParseFail;
+}
+
extern "C" void LLVMInitializeMipsAsmParser() {
RegisterMCAsmParser<MipsAsmParser> X(TheMipsTarget);
RegisterMCAsmParser<MipsAsmParser> Y(TheMipselTarget);