http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55712
Uros Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #29039|0 |1 is obsolete| | --- Comment #7 from Uros Bizjak <ubizjak at gmail dot com> 2012-12-27 08:11:40 UTC --- Created attachment 29053 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29053 Patch that preserves %rbx over cpuid insn Alternative patch that avoids changing %rbx PIC register.