I think it's possible to avoid copy_receiver (and thus the branch over
it) by
speculatively copying the receiver before the Tbnz instructions
Would this require using an additional register? Since Tbnz instructions
use the
"result" register.
https://codereview.chromium.org/226363007/diff/1/src/arm64/lithium-codegen-arm64.cc
File src/arm64/lithium-codegen-arm64.cc (right):
https://codereview.chromium.org/226363007/diff/1/src/arm64/lithium-codegen-arm64.cc#newcode5849
src/arm64/lithium-codegen-arm64.cc:5849: __ Mov(result, receiver);
On 2014/04/14 08:59:53, jbramley wrote:
You can skip this move now, and do __ B(ge, ©_receiver).
Done.
https://codereview.chromium.org/226363007/
--
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
---
You received this message because you are subscribed to the Google Groups "v8-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/d/optout.
