------- Comment #5 from ubizjak at gmail dot com 2009-05-07 20:37 ------- (In reply to comment #0)
> I do not see any way to explicitly blacklist the opcode, and setting -march to > i486, i386, or native does not avoid the problem. > > Could this be added as an architecture, or is there an existing solution that > I'm missing? Hm, ffreep is enabled only for: /* X86_TUNE_USE_FFREEP */ m_AMD_MULTIPLE, where #define m_AMD_MULTIPLE (m_K8 | m_ATHLON | m_AMDFAM10) So, adding -march=i486 should fix this problem. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37179
