Altering OpenMP emitted code

Jakub Jelinek jakub@redhat.com
Sun Feb 12 16:46:00 GMT 2012


On Sat, Feb 11, 2012 at 05:20:24PM -0500, Amittai Aviram wrote:
> Hi!  I'm reaching the point of exhaustion in trying to understand GCC
> code, so I need help.  I want to change the code that GCC emits when the
> source code has an OpenMP reduction clause.

Sounds like you want user defined reductions, which are I think planned for
OpenMP 4.0.  Before that happens IMHO you just want to opencode it in the
source, using a private variable, shared one and explicit merging.

	Jakub



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