From: Xi Ruoyao <xry111@xry111.site>
To: Yujie Yang <yangyujie@loongson.cn>
Cc: gcc-patches@gcc.gnu.org, WANG Xuerui <i@xen0n.name>,
Lulu Cheng <chenglulu@loongson.cn>,
Chenghua Xu <xuchenghua@loongson.cn>
Subject: Re: [PATCH] LoongArch: Stop -mfpu from silently breaking ABI
Date: Fri, 03 Mar 2023 12:06:00 +0800 [thread overview]
Message-ID: <f0b9c7a72ea4af8a7db5cdb5d65a731e2a558773.camel@xry111.site> (raw)
In-Reply-To: <20230303021231.fcvwqvivd6xa2xrn@loongson-pc>
On Fri, 2023-03-03 at 10:12 +0800, Yujie Yang wrote:
> However, "loongarch64" is defined to include the "fpu64" ISA module[1]
> (i.e. enable "-mfpu=64" when -mfpu is not explicitly used). So I believe
> the above behavior you observed is expected.
Ah this make things much simpler and aligns with my gut feeling :). I
can drop the change in loongarch-opts.cc now. And the smaller changeset
also makes me more confident about a backport to gcc-12.
V2 patch is being tested and I'll send it after the testing. Meanwhile
I created PR109000 to track the issue.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
prev parent reply other threads:[~2023-03-03 4:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-02 16:01 Xi Ruoyao
2023-03-03 2:12 ` Yujie Yang
2023-03-03 4:06 ` Xi Ruoyao [this message]
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