[PATCH] [X86] Avoid generating inc/dec when slow for x.atomic_store(1 + x.atomic_load())

JF Bastien jfb at chromium.org
Wed Oct 8 12:07:19 PDT 2014


lgtm

Please edit the message to point out that right now this affects Atom Silvermont, KNL, and SKX.

http://reviews.llvm.org/D5677






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