On Sat, Mar 17, 2012 at 11:10 AM, Uros Bizjak <ubiz...@gmail.com> wrote:
> 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
>> 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.