https://codereview.chromium.org/284153004/diff/20001/src/arm/assembler-arm-inl.h
File src/arm/assembler-arm-inl.h (right):
https://codereview.chromium.org/284153004/diff/20001/src/arm/assembler-arm-inl.h#newcode543
src/arm/assembler-arm-inl.h:543: MemoryBarrier();
How about if we only need to update one of the instructions then? It
is likely
that the MovT probably doesn't need to be updated for most IC cache
updates, so
we can maybe get away with this if only the MovW needs updated - is
there
anything else I would need to do if I was only updating a single
instruction?
No nothing else, that should work. Though if one day V8 were to do
concurrent patching then it won't work anymore.
https://codereview.chromium.org/284153004/
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