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Diffstat (limited to 'llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp')
-rw-r--r--llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp22
1 files changed, 19 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 95e83ecab43..fbbaa9500c9 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -65,6 +65,10 @@ private:
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
MCStreamer &Out);
+ bool MatchInstruction(SMLoc IDLoc,
+ SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+ SmallVectorImpl<MCInst> &MCInsts);
+
/// isSrcOp - Returns true if operand is either (%rsi) or %ds:%(rsi)
/// in 64bit mode or (%esi) or %es:(%esi) in 32bit mode.
bool isSrcOp(X86Operand &Op);
@@ -1508,6 +1512,18 @@ bool X86AsmParser::
MatchAndEmitInstruction(SMLoc IDLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
MCStreamer &Out) {
+ SmallVector<MCInst, 2> Insts;
+ bool Error = MatchInstruction(IDLoc, Operands, Insts);
+ if (!Error)
+ for (unsigned i = 0, e = Insts.size(); i != e; ++i)
+ Out.EmitInstruction(Insts[i]);
+ return Error;
+}
+
+bool X86AsmParser::
+MatchInstruction(SMLoc IDLoc,
+ SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+ SmallVectorImpl<MCInst> &MCInsts) {
assert(!Operands.empty() && "Unexpect empty operand list!");
X86Operand *Op = static_cast<X86Operand*>(Operands[0]);
assert(Op->isToken() && "Leading operand should always be a mnemonic!");
@@ -1523,7 +1539,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
MCInst Inst;
Inst.setOpcode(X86::WAIT);
Inst.setLoc(IDLoc);
- Out.EmitInstruction(Inst);
+ MCInsts.push_back(Inst);
const char *Repl =
StringSwitch<const char*>(Op->getToken())
@@ -1557,7 +1573,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
;
Inst.setLoc(IDLoc);
- Out.EmitInstruction(Inst);
+ MCInsts.push_back(Inst);
return false;
case Match_MissingFeature:
Error(IDLoc, "instruction requires a CPU feature not currently enabled");
@@ -1615,7 +1631,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
(Match3 == Match_Success) + (Match4 == Match_Success);
if (NumSuccessfulMatches == 1) {
Inst.setLoc(IDLoc);
- Out.EmitInstruction(Inst);
+ MCInsts.push_back(Inst);
return false;
}
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