From: Xi Ruoyao <xry111@mengyan1223.wang>
To: Richard Biener <richard.guenther@gmail.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
Richard Sandiford <richard.sandiford@arm.com>
Subject: Re: [PATCH] vect: fix out-of-bound access in supports_vec_convert_optab_p [PR 104851]
Date: Wed, 09 Mar 2022 18:57:51 +0800 [thread overview]
Message-ID: <260c79313587c9f4f8f9fc83f384f7845af48090.camel@mengyan1223.wang> (raw)
In-Reply-To: <CAFiYyc0nxenuyUt4q58=XeD_7Oo6jKDKW8cTEW=Vu0sK6rhPCA@mail.gmail.com>
On Wed, 2022-03-09 at 09:37 +0100, Richard Biener wrote:
> On Wed, Mar 9, 2022 at 5:06 AM Xi Ruoyao via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > This should be obvious, OK for trunk?
>
> OK.
Committed r12-7559.
> > -- >8 --
> >
> > Calling VECTOR_MODE_P with MAX_MACHINE_MODE has caused out-of-bound
> > access.
/* snip */
> > - int end = mode == VOIDmode ? MAX_MACHINE_MODE : mode;
> > + int end = mode == VOIDmode ? MAX_MACHINE_MODE - 1 : mode;
--
Xi Ruoyao <xry111@mengyan1223.wang>
School of Aerospace Science and Technology, Xidian University
prev parent reply other threads:[~2022-03-09 10:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-09 4:05 Xi Ruoyao
2022-03-09 8:37 ` Richard Biener
2022-03-09 10:57 ` Xi Ruoyao [this message]
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