------- Comment #3 from pinskia at gmail dot com 2008-10-29 07:25 ------- Subject: Re: [4.4 Regression] IRA generates slower code for -mtune=core2
Sent from my iPhone On Oct 29, 2008, at 12:17 AM, "bonzini at gnu dot org" <[EMAIL PROTECTED] > wrote: > > > ------- Comment #2 from bonzini at gnu dot org 2008-10-29 07:17 > ------- > Subject: Re: [4.4 Regression] IRA generates slower > code for -mtune=core2 > > hjl dot tools at gmail dot com wrote: >> ------- Comment #1 from hjl dot tools at gmail dot com 2008-10-29 >> 05:44 ------- >> It looks like the cost of loading/storing FP values aren't >> appropriate for >> Core 2. With this patch: > > Good. Is regmove still helping (which would be the wrong thing to do, > but gives a data point)? I noticed that ira ignores ! part of constraint do you know if the register class would change if ! was not ignored? Thanks, Andrew Pinsky > > > Paolo > > > -- > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37948 > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37948
