[PATCH][ARM][3/n] Partial IT block deprecation in ARMv8 AArch32 - atomics patterns

[Richard Earnshaw]

On 05/06/13 17:49, Kyrylo Tkachov wrote:
> Hi all,
>
> This patch restricts predication for the various atomics patterns in
> sync.md by using the new predicable_short_it mechanism. The load/store
> exclusive and the acquire/release instructions cannot be contained
> inside IT blocks in ARMv8 so the logic behind disabling their predicable
> versions for ARMv8 Thumb mode is pretty straightforward.
>
> Tested together with the other patches in the series by bootstrap on
> Cortex-A15 and regtest arm-none-eabi on qemu and model.
>
> Ok for trunk?
>
> Thanks,
> Kyrill
>
> 2013-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
> 	* config/arm/sync.md (atomic_loaddi_1):
> 	Disable predication for arm_restrict_it.
> 	(arm_load_exclusive<mode>): Likewise.
> 	(arm_load_exclusivesi): Likewise.
> 	(arm_load_exclusivedi): Likewise.
> 	(arm_load_acquire_exclusive<mode>): Likewise.
> 	(arm_load_acquire_exclusivesi): Likewise.
> 	(arm_load_acquire_exclusivedi): Likewise.
> 	(arm_store_exclusive<mode>): Likewise.
> 	(arm_store_exclusive<mode>): Likewise.
> 	(arm_store_release_exclusivedi): Likewise.
> 	(arm_store_release_exclusive<mode>): Likewise.
>
>

OK.

R.