From: Segher Boessenkool <segher@kernel.crashing.org>
To: "Kewen.Lin" <linkw@linux.ibm.com>
Cc: Peter Bergner <bergner@linux.ibm.com>,
GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] rs6000: Don't ICE when we disassemble an MMA variable [PR101322]
Date: Thu, 1 Sep 2022 09:41:31 -0500 [thread overview]
Message-ID: <20220901144131.GB25951@gate.crashing.org> (raw)
In-Reply-To: <d8b502ac-245a-d60a-6ddc-23d25fa0a3f6@linux.ibm.com>
On Thu, Sep 01, 2022 at 04:28:56PM +0800, Kewen.Lin wrote:
> tree.def has some note about VIEW_CONVERT_EXPR, it quite matches what Segher replied.
> In my experience, VIEW_CONVERT_EXPR are used a lot for vector type conversion.
It is needed whenever vector types are not compatible otherwise.
V4SI <-> V4SF, V4SI <-> V2DI, etc. In such cases you effectively do a
bit_cast equivalent.
Segher
next prev parent reply other threads:[~2022-09-01 14:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-27 3:50 Peter Bergner
2022-08-31 9:22 ` Kewen.Lin
2022-08-31 13:59 ` Peter Bergner
2022-08-31 18:53 ` Peter Bergner
2022-08-31 20:51 ` Segher Boessenkool
2022-08-31 22:01 ` Peter Bergner
2022-08-31 23:08 ` Segher Boessenkool
2022-08-31 23:29 ` Peter Bergner
2022-09-01 8:29 ` Kewen.Lin
2022-09-01 14:17 ` Peter Bergner
2022-09-05 8:11 ` Kewen.Lin
2022-09-01 8:28 ` Kewen.Lin
2022-09-01 14:41 ` Segher Boessenkool [this message]
2022-08-31 15:58 ` Segher Boessenkool
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