Hi Andi,
> This patch adds a -mforce-indirect-call option to force all calls
> or tail calls on x86_64 between functions to indirect. This is similar to the
> large code model, but doesn't affect jumps inside functions, so has much
> less run time overhead.
>
> This is useful with Intel Processor
> gcc/:
> 2017-11-08 Andi Kleen
>
> * config/i386/i386.opt: Add -mforce-indirect-call.
> * config/i386/predicates.md: Check for flag_force_indirect_call.
> * doc/invoke.texi: Document -mforce-indirect-call
>
> gcc/testsuite/:
> 2017-11-08 Andi Kleen
>
> * gcc.target/i386/force-indirect-call-1
