------- Comment #5 from yuri at tsoft dot com 2005-12-20 06:19 ------- Subject: Re: REGREGRESSION: SSE2 vectorized code is many times slower on 4.x.x than on 3.4.4
Here's attachment with asms generated in both cases. testcase-old.s is 4.3.3 and testcase-new.s is 4.0.2 In testcase-new.s SSE2 code is kinda diluted with i386 assembly, notably 'rep movsl' which never occurs in 3.4.4 output. Yuri ------- Comment #6 from yuri at tsoft dot com 2005-12-20 06:19 ------- Created an attachment (id=10534) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10534&action=view) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25500
