5d20d7ee04
The canonical form of sync is: sync L, E (if Category Elemental Memory Barriers implemented) The L bits (2) denote the type of sync: 0 -- hwsync 1 -- lwsync 2 -- ptesync or hwsync It's been found that most 32-bit CPUs designed prior to the introduction of lwsync will ignore the L bits. However, some cores, particularly the e500 core, will trigger an illegal instruction exception. Adding these variants will make it easier to see which sync variant is actually being used in case of a trap. |
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