------- Comment #6 from dann at godzilla dot ics dot uci dot edu 2005-12-18 22:57 ------- (In reply to comment #5) > Simplified testcase seems to work for me on 4.1 branch: > restore_fpu: > movl 4(%esp), %edx > movl boot_cpu_data+12, %eax > testl $16777216, %eax
4.0 still does better, it uses a single "testb" instruction instead of 2 dependent movl + testb instructions. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24810
