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AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need

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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
This commit is contained in:
Daniel Dunbar 2010-02-02 23:46:47 +00:00
parent e1f6de3fbd
commit e7070e9006
2 changed files with 14 additions and 2 deletions
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10
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -456,8 +456,14 @@ X86Operand *X86ATTAsmParser::ParseMemOperand() {
bool X86ATTAsmParser:: bool X86ATTAsmParser::
ParseInstruction(const StringRef &Name, SMLoc NameLoc, ParseInstruction(const StringRef &Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) { SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
// FIXME: Hack to recognize "sal..." for now. We need a way to represent
Operands.push_back(X86Operand::CreateToken(Name, NameLoc)); // 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)) { if (getLexer().isNot(AsmToken::EndOfStatement)) {

6
test/MC/AsmParser/X86/x86_instructions.s
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@ -64,3 +64,9 @@
// FIXME: Check that this matches the correct instruction. // FIXME: Check that this matches the correct instruction.
// CHECK: shldl %cl, %eax, %ebx // CHECK: shldl %cl, %eax, %ebx
shldl %cl, %eax, %ebx shldl %cl, %eax, %ebx
// CHECK: shll $2, %eax
shll $2, %eax
// CHECK: shll $2, %eax
sall $2, %eax