[llvm-commits] [PATCH] fix #13035 (Thumb LDRD/STRD with negative #0 offset is decoded as a positive #0 offset)

[Renato Golin]

On 1 August 2012 16:12, Jiangning Liu <jiangning.liu at arm.com> wrote:
> Hi,
>
> The patch is fix http://llvm.org/bugs/show_bug.cgi?id=13035, and the
> solution is to use INT32_MIN to describe #-0.

Hi Jiangning,

In DecodeT2Imm8S4():

+  if (Val == 0)
+    Inst.addOperand(MCOperand::CreateImm(INT32_MIN));

If 0 is the representation of #-0, what is the representation of #0?

Otherwise, looks good.

-- 
cheers,
--renato

http://systemcall.org/