[Webkit-unassigned] [Bug 172306] B3::Value::effects() says that having a fence range implies the fence bit, but on x86_64 we lower loadAcq/storeRel to load/store so the store-before-load fence bit orderings won't be honored

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 18 12:52:44 PDT 2017


--- Comment #1 from Filip Pizlo <fpizlo at apple.com> ---
I think that this means that MacroAssembler::storeRel on x86 should emit a xchg.

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