atomic update of profile counters (issue7000044)

Richard Henderson
Mon Jan 7 20:36:00 GMT 2013

On 01/03/2013 04:42 PM, Rong Xu wrote:
> It links libatomic when -fprofile-gen-atomic is specified for FDO
> instrumentation build. Here I assume libatomic is always installed.
> Andrew: do you think if this is reasonable?
> It also disables the functionality if target does not support weak

Since you're linking libatomic, you don't need weak references.

I think its ok to assume libatomic is installed, given that the
user has had to explicitly use the command-line option.


More information about the Gcc-patches mailing list