Thanks Richard.
Address comment in V2:
[PATCH V2] internal-fn: Support undefined rtx for uninitialized SSA_NAME
(gnu.org)
juzhe.zh...@rivai.ai
From: Richard Sandiford
Date: 2023-09-17 18:29
To: Juzhe-Zhong
CC: gcc-patches; rguenther
Subject: Re: [PATCH] internal-fn: Convert uninitialized
Juzhe-Zhong writes:
> According to PR: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110751
>
> As Richard and Richi suggested, we recognize uninitialized SSA_NAME and
> convert it
> into SCRATCH rtx if the target predicate allows SCRATCH.
>
> It can help to reduce redundant data move instructions