On 2014/04/01 10:54:08, jochen wrote:
On 2014/04/01 10:50:55, Alexandre Rames wrote:
>
https://codereview.chromium.org/220793002/diff/1/src/atomicops_internals_arm64_gcc.h
> File src/atomicops_internals_arm64_gcc.h (right):
>
>
https://codereview.chromium.org/220793002/diff/1/src/atomicops_internals_arm64_gcc.h#newcode57
> src/atomicops_internals_arm64_gcc.h:57: : [old_value]"IJr" (old_value),
> On 2014/04/01 10:41:19, rmcilroy wrote:
> > Do the I and J constraints require that the value fit in an immediate
(12
> bits)
> > or is it just a hint that an immediate should be used if it does fit?
>
> It is just a hint. If the value does not fit it will use a register.
(Without
> them it uses always uses a register.)
will we need to update the implementation in chromium's src/base as well?
Yes (and also third_party/protobuf which has it's own copy). I can do this
once
this has been submitted to V8.
https://codereview.chromium.org/220793002/
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