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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/43175] __builtin_ia32_vec_perm_v4si doesn't work with AVX
Date: Thu, 25 Feb 2010 19:03:00 -0000 [thread overview]
Message-ID: <20100225190259.5554.qmail@sourceware.org> (raw)
In-Reply-To: <bug-43175-682@http.gcc.gnu.org/bugzilla/>
------- Comment #7 from ubizjak at gmail dot com 2010-02-25 19:02 -------
(In reply to comment #6)
> H.J., can you please try this patch?
The patch generates this sequence, that looks OK to me:
movl $4, i+16(%rip)
movl $5, i+20(%rip)
movl $6, i+24(%rip)
movl $7, i+28(%rip)
vmovdqa i+16(%rip), %xmm0
movl $0, i(%rip)
movl $1, i+4(%rip)
movl $2, i+8(%rip)
movl $3, i+12(%rip)
vpblendw $3, i(%rip), %xmm0, %xmm0
movl $4, c(%rip)
movl $1, c+4(%rip)
movl $2, c+8(%rip)
movl $3, c+12(%rip)
vmovdqa %xmm0, b(%rip)
>
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-02-25 19:02:58
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43175
next prev parent reply other threads:[~2010-02-25 19:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-25 14:48 [Bug target/43175] New: " hjl dot tools at gmail dot com
2010-02-25 14:53 ` [Bug target/43175] " hjl dot tools at gmail dot com
2010-02-25 14:55 ` hjl dot tools at gmail dot com
2010-02-25 15:07 ` hjl dot tools at gmail dot com
2010-02-25 15:10 ` ubizjak at gmail dot com
2010-02-25 15:30 ` hjl dot tools at gmail dot com
2010-02-25 19:01 ` ubizjak at gmail dot com
2010-02-25 19:03 ` ubizjak at gmail dot com [this message]
2010-02-25 19:25 ` hjl dot tools at gmail dot com
2010-02-25 19:34 ` [Bug target/43175] __builtin_ia32_vec_perm_v4si doesn't work with -msse4.1 hjl dot tools at gmail dot com
2010-02-25 19:44 ` ubizjak at gmail dot com
2010-02-25 19:55 ` hjl dot tools at gmail dot com
2010-02-25 20:12 ` ubizjak at gmail dot com
2010-02-25 20:33 ` hjl dot tools at gmail dot com
2010-02-25 20:36 ` hjl dot tools at gmail dot com
2010-02-25 20:49 ` ubizjak at gmail dot com
2010-02-26 0:54 ` hjl dot tools at gmail dot com
2010-02-26 13:19 ` hjl at gcc dot gnu dot org
2010-03-02 13:31 ` hjl dot tools at gmail dot com
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