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From: Richard Biener <rguenther@suse.de>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Tamar Christina <Tamar.Christina@arm.com>,Vidya Praveen
	<vidyapraveen@arm.com>,Andrew Pinski <pinskia@gmail.com>,Jon
	Beniston <jon@beniston.com>,"gcc-patches@gcc.gnu.org"
	<gcc-patches@gcc.gnu.org>,nd <nd@arm.com>
Subject: Re: [RFC, vectorizer] Allow single element vector types for vector reduction operations
Date: Tue, 12 Sep 2017 16:36:00 -0000	[thread overview]
Message-ID: <78AE2EAF-D411-44E5-8317-95959A44F995@suse.de> (raw)
In-Reply-To: <87efrbq3yb.fsf@linux-m68k.org>

On September 12, 2017 6:25:32 PM GMT+02:00, Andreas Schwab <schwab@linux-m68k.org> wrote:
>On Sep 12 2017, Richard Biener <rguenther@suse.de> wrote:
>
>> Index: gcc/tree-vect-generic.c
>> ===================================================================
>> --- gcc/tree-vect-generic.c	(revision 251997)
>> +++ gcc/tree-vect-generic.c	(working copy)
>> @@ -1638,7 +1638,11 @@ expand_vector_operations_1 (gimple_stmt_
>>    /* The signedness is determined from input argument.  */
>>    if (code == VEC_UNPACK_FLOAT_HI_EXPR
>>        || code == VEC_UNPACK_FLOAT_LO_EXPR)
>> -    type = TREE_TYPE (rhs1);
>> +    {
>> +      type = TREE_TYPE (rhs1);
>> +      /* We do not know how to scalarize those.  */
>> +      return;
>
>The assignment is surely useless.

Sure. I left it because all this needs further cleanup. 

Richard. 

>Andreas.

  reply	other threads:[~2017-09-12 16:36 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-28  8:22 Jon Beniston
2017-08-28  8:29 ` Richard Biener
2017-08-28  9:04   ` Jon Beniston
2017-08-28 11:41     ` Richard Biener
2017-08-30 11:13       ` Jon Beniston
2017-08-30 12:28         ` Richard Biener
2017-08-30 15:52           ` Jon Beniston
2017-08-30 16:32             ` Richard Biener
2017-08-30 20:42             ` Richard Sandiford
2017-09-02 21:58             ` Andreas Schwab
2017-09-04  8:58               ` Tamar Christina
2017-09-04  9:19                 ` Richard Biener
2017-09-04 14:28                   ` Tamar Christina
2017-09-04 16:48                     ` Andrew Pinski
2017-09-05  9:37                       ` Richard Biener
2017-09-05 10:24                         ` Tamar Christina
2017-09-05 10:41                           ` Richard Biener
2017-09-05 12:50                             ` Richard Biener
2017-09-05 13:06                               ` Tamar Christina
2017-09-05 13:12                                 ` Richard Biener
2017-09-05 14:00                                   ` Tamar Christina
2017-09-11 15:39                                   ` Vidya Praveen
2017-09-12  7:13                                     ` Richard Biener
2017-09-12  8:45                                       ` Tamar Christina
2017-09-12  9:03                                         ` Richard Biener
2017-09-12 10:50                                           ` Richard Biener
2017-09-12 16:26                                             ` Andreas Schwab
2017-09-12 16:36                                               ` Richard Biener [this message]
2017-09-12 17:13                                                 ` Tamar Christina
2017-09-04 15:04             ` Christophe Lyon
2017-09-07 11:08 ` Bernd Schmidt
2017-09-07 11:20   ` Jon Beniston
2017-09-07 14:42     ` Richard Biener

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