Hi Andre,
> -----Original Message-----
> From: Andre Vieira (lists) <andre.simoesdiasvie...@arm.com>
> Sent: 20 March 2020 08:53
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov <kyrylo.tkac...@arm.com>
> Subject: [PATCH][GCC][Arm]: Revert changes to {get, set}_fpscr
>
> Hi,
>
> MVE made changes to {get,set}_fpscr to enable the compiler to optimize
> unneccesary gets and sets when using these for intrinsics that use and/or
> write the carry bit. However, these actually get and set the full FPSCR
> register
> and are used by fp env intrinsics to modify the fp context. So MVE should
> not be using these.
>
> This fixes regressions for gcc.dg/atomic/c11-atomic-exec-5.c
>
> Bootstrapped and tested arm-linux-gnueabihf.
>
> Is this OK for trunk?
Ok.
Thanks,
Kyrill
>
> gcc/ChangeLog:
> 2020-03-20 Andre Vieira <andre.simoesdiasvie...@arm.com>
>
> * config/arm/unspecs.md (UNSPEC_GET_FPSCR): Rename this to ...
> (VUNSPEC_GET_FPSCR): ... this, and move it to vunspec.
> * config/arm/vfp.md: (get_fpscr, set_fpscr): Revert to old patterns.
