From: Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>
To: Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>,
gcc Patches <gcc-patches@gcc.gnu.org>,
Richard Earnshaw <Richard.Earnshaw@foss.arm.com>
Subject: RE: [ARM] PR66791: Replace builtins in vld1
Date: Thu, 29 Jul 2021 09:27:05 +0000 [thread overview]
Message-ID: <PAXPR08MB6926DD4B83425BB0BCA591AB93EB9@PAXPR08MB6926.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <CAAgBjMkxtL7a-EcQBYz6vgS=205UeRhysWWz=JG=ky8KW5GsCQ@mail.gmail.com>
Hi Prathamesh,
> -----Original Message-----
> From: Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
> Sent: 26 July 2021 22:24
> To: gcc Patches <gcc-patches@gcc.gnu.org>; Kyrylo Tkachov
> <Kyrylo.Tkachov@arm.com>; Richard Earnshaw
> <Richard.Earnshaw@foss.arm.com>
> Subject: [ARM] PR66791: Replace builtins in vld1
>
> Hi,
> Similar to aarch64, this patch replaces call to builtin by
> dereferencing __a in vld1_p64, vld1_s64 and vld1_u64.
>
> The patch changes code-gen for the intrinsic as follows:
> Before patch:
> vld1.64 {d16}, [r0:64]
> vmov r0, r1, d16 @ int
> bx lr
>
> After patch:
> ldrd r0, [r0]
> bx lr
>
> I assume the code-gen after patch is correct, since it loads two
> consecutive words from [r0] into r0 and r1 ?
Yes, this looks correct.
>
> Bootstrapped+tested on arm-linux-gnueabihf.
> OK to commit ?
Ok. Can we now remove the vld1 builtin definition?
Thanks,
Kyrill
>
> Thanks,
> Prathamesh
next prev parent reply other threads:[~2021-07-29 9:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 21:24 Prathamesh Kulkarni
2021-07-29 9:27 ` Kyrylo Tkachov [this message]
2021-07-29 14:45 ` Prathamesh Kulkarni
2021-07-29 14:49 ` Kyrylo Tkachov
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