On Tue, 2016-05-31 at 14:17 +0100, Nick Clifton wrote:
> > Sorry, but my original patch was buggy. There are two problems:
>
> Thanks for your diligence in checking the patch.
Just eating my own dogfood here ... :)
> Approved - please apply.
Committed as r236926.
Cheers,
Oleg
Hi Oleg,
> Sorry, but my original patch was buggy. There are two problems:
Thanks for your diligence in checking the patch.
> The attached patch fixes those issues.
> OK for trunk?
>
> Cheers,
> Oleg
>
> gcc/ChangeLog:
> * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
> (
On Mon, 2016-05-09 at 15:18 +0100, Nick Clifton wrote:
> > gcc/ChangeLog:
> > * config/rx/rx-protos.h (is_interrupt_func,
> > is_fast_interrupt_func):
> > Forward declare.
> > (rx_atomic_sequence): New class.
> > * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW
> > b
Hi Oleg,
> gcc/ChangeLog:
> * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
> Forward declare.
> (rx_atomic_sequence): New class.
> * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
> (is_interrupt_func, is_fast_interrupt_func)
Hi,
The attached patch adds some rudimentary support for atomic operations.
On the original RX there is one truly atomic insn "xchg". All other
operations have to implement atomicity in some other way. One straight
forward option which is already being done on SH is to disable
interrupts for th
