Re: [RFC PATCH v2 20/21] x86: Add support for CONFIG_CFI_CLANG

Peter Zijlstra
2022-05-16T21:44:36Z

On Mon, May 16, 2022 at 09:32:55PM +0000, David Laight wrote:

> > The compiler always generates this specific instruction sequence.
>
> Yes, but there are several ways to encode 'cmpl imm,-6(reg)'.

Yes, but we don't care. This *always* uses the 32bit immediate form.
Even if the immediate is small.