http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49033
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2011.05.18 00:53:35 Ever Confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-05-18 00:53:35 UTC --- -march=native is useless. Please show outputs from # gcc -w -std=c99 -O3 -march=native -fcheck-data-deps test891883150.c -v # cat /proc/cpuinfo