[PATCH 1/2] [PING] Optimize generic spinlock code and use C11 like atomic macros.

[Joseph Myers]

On Wed, 31 May 2017, Torvald Riegel wrote:

> > Nobody answered for these archs:
> > -alpha: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -arm: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -hppa: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -ia64: #define ATOMIC_EXCHANGE_USES_CAS 0
> > -m68k: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -microblaze: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -nios2: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -sh: #define ATOMIC_EXCHANGE_USES_CAS 1
> > -sparc: #define ATOMIC_EXCHANGE_USES_CAS 1
> 
> Joseph, can you clarify for arm?

You already answered for ARM 
<https://sourceware.org/ml/libc-alpha/2017-04/msg00109.html>.

-- 
Joseph S. Myers
joseph@codesourcery.com