On 04/19/2017 07:07 PM, Jonathan Wakely wrote:
I know it's a bit late, but I'd like to propose deprecating the
libstdc++ extension that allows arithmetic on std::atomic.
Currently we make it behave like arithmetic on void*, which is also a
GNU extension (https://gcc.gnu.org/onlinedocs/gcc/Pointer
On 19 April 2017 at 20:07, Jonathan Wakely wrote:
> I know it's a bit late, but I'd like to propose deprecating the
> libstdc++ extension that allows arithmetic on std::atomic.
> Currently we make it behave like arithmetic on void*, which is also a
> GNU extension (https://gcc.gnu.org/onlinedocs/g
I know it's a bit late, but I'd like to propose deprecating the
libstdc++ extension that allows arithmetic on std::atomic.
Currently we make it behave like arithmetic on void*, which is also a
GNU extension (https://gcc.gnu.org/onlinedocs/gcc/Pointer-Arith.html).
We also allow arithmetic on types
On 04/07/2017 08:10 PM, Yichao Yu wrote:
On Fri, Apr 7, 2017 at 2:08 PM, fab10 <0xfa...@gmail.com> wrote:
It would be usefull to develop in gcc an intrinsic function for the assembly
x86 instruction xchg to implement a low level mutex.
I believe that's what atomic_exchange is lowered to on x86
