lkml.org 
[lkml]   [2018]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 0/3] x86: Patchable constants
On Wed, Feb 07, 2018 at 05:59:10PM +0300, Kirill A. Shutemov wrote:
> This conversion makes GCC generate worse code. Conversion __PHYSICAL_MASK
> to a patchable constant adds about 5k in .text on defconfig and makes it
> slightly slower at runtime (~0.2% on my box).

Do you have explicit examples for the worse code? That might give clue
on how to improve things.

\
 
 \ /
  Last update: 2018-02-07 17:25    [W:0.062 / U:4.560 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site