> From: Yvan Roux [yvan.r...@linaro.org]
> Sent: 25 November 2012 19:51
> To: Ramana Radhakrishnan
> Cc: linaro-toolchain@lists.linaro.org
> Subject: Re: Atomic builtins questions
> > That is correct. The addresses need to be aligned as per the restrictions in
> > the architecture. Yes we could h
Yvan,
LDAR is intended for an atomic load acquire. See
http://gcc.gnu.org/ml/gcc-patches/2012-11/msg01397.html
for compiler support upstream.
regards,
Ramana
> -Original Message-
> From: linaro-toolchain-boun...@lists.linaro.org [mailto:linaro-
> toolchain-boun...@lists.linaro.org] O
Hi,
I'm working on the libatomic-ops (part of the Boehm gc) AArch64 support,
I mainly use GCC's __atomic builtins to do this, but in our 4.7 version
they don't use the load acquire / store release instructions now available
in the ARMv8 ISA. These instructions are used in the mainline GCC
(in atom
