On Sun, Mar 11, 2012 at 6:11 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
> Since we must use reg64 in %fs:(%reg) memory operand like > > movq x@gottpoff(%rip),%reg64; > mov %fs:(%reg64),%reg > > this patch optimizes x32 TLS IE load and store by wrapping > %reg64 inside of UNSPEC when Pmode == SImode. OK for > trunk? > > Thanks. > > -- > H.J. > --- > 2012-03-11 H.J. Lu <hongjiu...@intel.com> > > * config/i386/i386.md (*tls_initial_exec_x32_load): New. > (*tls_initial_exec_x32_store): Likewise. Can you implement this with define_insn_and_split, like i.e. *tls_dynamic_gnu2_combine_32 ? Uros.