[lkml]   [2012]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC][PATCH 0/3] gcc work-around and math128
On 04/24/2012 09:10 AM, Peter Zijlstra wrote:
> So far its just mult, add and cmp for u128, no divisions quite yet. I realize
> that on 32bit archs mult_u128 will result in like 8 multiplication
> instructions that's still nowhere near the most expensive thing ever.

Please add shifts, at the very least.


 \ /
  Last update: 2012-04-24 19:25    [W:0.104 / U:6.096 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site