On Sat, Mar 17, 2012 at 7:18 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 ? >> > > I will give it a try again. Last time when I tried it, GCC didn't > like memory operand in DImode when Pmode == SImode. You should remove mode for tls_symbolic_operand predicate. Uros.
