[llvm-commits] [llvm] r126336 - in /llvm/trunk: lib/MC/MCParser/AsmParser.cpp test/MC/AsmParser/exprs.s test/MC/AsmParser/paren.s

[Rafael Avila de Espindola]

On 11-02-23 04:26 PM, Jim Grosbach wrote:
> Author: grosbach
> Date: Wed Feb 23 15:26:51 2011
> New Revision: 126336
>
> URL: http://llvm.org/viewvc/llvm-project?rev=126336&view=rev
> Log:
> Revert r125595, which is an X86-only undocumented assembly syntax extension
> enabled for all targets. Non-X86 targets should not have this behavior
> enabled by default.

This is an undocumented extension, but it is *not* x86 only. The 
following *is* accepted by gas for ARM:

_foo:
_bar:
	add r0, r1, #[_foo - _bar]


> Joerg, if you would like to resubmit with the behavior conditionalized to be
> X86-ELF only, that's fine.

Cheers,
Rafael