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From: Jochen Barth <jpunktbarth@gmail.com>
To: Tamar Christina <Tamar.Christina@arm.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
Subject: Re: arm_neon.h / vext_u64 (uint64x1_t __a, uint64x1_t __b, __const int __c)
Date: Thu, 10 Sep 2020 10:14:20 +0200	[thread overview]
Message-ID: <5bd09e76-1c19-c6d1-34f8-2e51a7b17828@gmail.com> (raw)
In-Reply-To: <VI1PR08MB5325DBDE928FE3EB94AB710AFF270@VI1PR08MB5325.eurprd08.prod.outlook.com>

Dear Tamar,

Sorry, I do no get the point:

>>> EXT is a byte level extract, if you have a 64 bit vector and a 64-bit
>>> type like uint64x1_t then the only possible index for n is 0.

But my previous examples with n=c=1..7 showed that different (n=c)'s are 
possible,

why is "the only possible index for n=0" ?

Kind regards, Jochen

  reply	other threads:[~2020-09-10  8:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 21:10 Jochen Barth
2020-09-02 21:11 ` Jochen Barth
     [not found] ` <VI1PR08MB53253664D3E7644526965E27FF260@VI1PR08MB5325.eurprd08.prod.outlook.com>
     [not found]   ` <e06ec9ce-78ec-8eb2-83c4-4d3eda9e18f4@gmail.com>
2020-09-10  7:54     ` Tamar Christina
2020-09-10  8:14       ` Jochen Barth [this message]
2020-09-10  8:34         ` Tamar Christina
2020-09-10 10:35           ` Jochen Barth

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