AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need
some mechanism for specifying alternative syntaxes, but I'm not sure what form
that should take yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95158 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 73e3770..3a8f5d5 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -456,8 +456,14 @@
bool X86ATTAsmParser::
ParseInstruction(const StringRef &Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
-
- Operands.push_back(X86Operand::CreateToken(Name, NameLoc));
+ // FIXME: Hack to recognize "sal..." for now. We need a way to represent
+ // alternative syntaxes in the .td file, without requiring instruction
+ // duplication.
+ if (Name.startswith("sal")) {
+ std::string Tmp = "shl" + Name.substr(3).str();
+ Operands.push_back(X86Operand::CreateToken(Tmp, NameLoc));
+ } else
+ Operands.push_back(X86Operand::CreateToken(Name, NameLoc));
if (getLexer().isNot(AsmToken::EndOfStatement)) {
diff --git a/test/MC/AsmParser/X86/x86_instructions.s b/test/MC/AsmParser/X86/x86_instructions.s
index 314fc1a..a1b881b 100644
--- a/test/MC/AsmParser/X86/x86_instructions.s
+++ b/test/MC/AsmParser/X86/x86_instructions.s
@@ -64,3 +64,9 @@
// FIXME: Check that this matches the correct instruction.
// CHECK: shldl %cl, %eax, %ebx
shldl %cl, %eax, %ebx
+
+// CHECK: shll $2, %eax
+ shll $2, %eax
+
+// CHECK: shll $2, %eax
+ sall $2, %eax