------- Comment #4 from hjl dot tools at gmail dot com 2008-11-16 00:06 ------- (In reply to comment #3) > i tried to run the benchmark with -fno-ira, which turned out to be about 20% > slower than without the flag. >
Can you try "-O3 -march=core2 -mtune=generic" and "-O3 -march=core2 -mtune=generic -fno-ira" ? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38134
