------- Comment #7 from amylaar at spamcop dot net 2010-07-13 01:55 ------- Subject: Re: [4.6 Regression] Failed to bootstrap
Quoting hjl dot tools at gmail dot com <gcc-bugzi...@gcc.gnu.org>: > Maybe > > int min_regno = 0; > > is faster. Considering performance, your first patch was better - it avoids a call to rtx_cost when no optimization can be performed. OTOH with the expensive loop through all hard registers that's in the noise. Or compared to the cycles wasted on failed bootstraps or this discussion ;-) ------- Comment #8 from jiez at gcc dot gnu dot org 2010-07-13 09:51 ------- Created an attachment (id=21189) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21189&action=view) The test case The test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44921
