On Thu, Sep 1, 2022 at 11:23 AM Uros Bizjak via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> The conversion of a move pattern where both operands are AX_REG
> should be prevented.
>
> 2022-09-01  Uroš Bizjak  <ubizjak@gmail.com>
>
> gcc/ChangeLog:
>
>     PR target/106707
>     * config/i386/i386.md (moves to/from AX_REG into xchg peephole2):
>     Do not convert a move pattern where both operands are AX_REG.
>
> gcc/testsuite/ChangeLog:
>
>     PR target/106707
>     * gcc.target/i386/pr106707.c: New test.
>
> Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
>
> Pushed to master.
>
> Uros.

I am checking in this to replace long with long long for 64-bit integer.

-- 
H.J.