https://llvm.org/bugs/show_bug.cgi?id=25657
Bug ID: 25657
Summary: [Inline asm] [ Microsoft ] Binary number under
fasm-blocks return with error.
Product: new-bugs
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Consider this program
test.c:
void f()
{
__asm {
mov al,0b
};
}
clang -fasm-blocks test.c
test.c:4:16: error: invalid reference to undefined symbol
mov al,0b
^
1 error generated.
I found that the digit automat LexDigit() does not define for ‘b’ suffix. More,
Microsoft syntax accepts 1111b us a constant, but not as a label. We cannot
define the ‘b’ suffix in the automat, because it will create error for
instruction that use labels , like jmp.
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