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From: "ysrumyan at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/64434] [5 Regression] Performance regression after operand cannibalization (r216728).
Date: Mon, 29 Dec 2014 16:25:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64434

--- Comment #6 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
H.J.

I put before/after assembly files into bug attachment. We saw slowdown
on SLM and HSW for 32-bit on eembc2.0, e.g. des degradated on 36%
(SLM) and 7%(HSW). But we did not see slowdown on any 64-bit x86.

2014-12-29 18:48 GMT+03:00 hjl.tools at gmail dot com
<gcc-bugzilla@gcc.gnu.org>:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64434
>
> H.J. Lu <hjl.tools at gmail dot com> changed:
>
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>              Status|NEW                         |WAITING
>
> --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
> Please show before and after assembly codes. Do we get slowdown on all
> processors?
>
> --
> You are receiving this mail because:
> You reported the bug.