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From: "law at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/29256] [4.7/4.8/4.9 regression] loop performance regression
Date: Mon, 09 Dec 2013 04:50:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |law at redhat dot com

--- Comment #45 from Jeffrey A. Law <law at redhat dot com> ---
This problem still exists and can be seen by making the arrays external and
using -fno-tree-loop-distribute-patterns.

.L2:
        evlddx 31,10,9
        addi 7,9,8
        addi 0,9,16
        addi 11,9,24
        addi 3,9,32
        evstddx 31,8,9
        addi 4,9,40
        evlddx 31,10,7
        addi 5,9,48
        addi 6,9,56
        evlddx 12,10,6
        addi 9,9,64
        evstddx 31,8,7
        evlddx 7,10,0
        evstddx 7,8,0
        evlddx 0,10,11
        evstddx 0,8,11
        evlddx 11,10,3
        evstddx 11,8,3
        evlddx 3,10,4
        evstddx 3,8,4
        evlddx 4,10,5
        evstddx 4,8,5
        evstddx 12,8,6
        bdnz .L2
        evldd 31,8(1)
        addi 1,1,16
        blr