MC/X86: Warn on scale factors > 1 without index register, instead of erroring,
for 'as' compatibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111945 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 09950e8..204ccf7 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -588,7 +588,7 @@
}
}
} else if (getLexer().isNot(AsmToken::RParen)) {
- // Otherwise we have the unsupported form of a scale amount without an
+ // A scale amount without an index is ignored.
// index.
SMLoc Loc = Parser.getTok().getLoc();
@@ -596,8 +596,9 @@
if (getParser().ParseAbsoluteExpression(Value))
return 0;
- Error(Loc, "cannot have scale factor without index register");
- return 0;
+ if (Value != 1)
+ Warning(Loc, "scale factor without index register is ignored");
+ Scale = 1;
}
}