| commit | 48d726cd6f6ad176d54b546b7d1ca717e5478b46 | [log] [tgz] |
|---|---|---|
| author | jacob.bramley <jacob.bramley@arm.com> | Wed Jun 24 06:47:27 2015 |
| committer | Commit bot <commit-bot@chromium.org> | Wed Jun 24 06:47:42 2015 |
| tree | 2075112305bcfe66b6c8cb90efaae9cadfdde0b4 | |
| parent | c019d7f498ce6fbac6659924e20ddb6c59aebeb8 [diff] |
Reland r21101: "ARM64: use jssp for stack slots" The original implementation assumed that LPushArguments and LInvoke/Call* could be assumed to be exclusively sequential. However, this isn't always the case. For example, GenerateCallFunction pushes some arguments and then selects between HInvokeFunction and HCallFunction. This fixed implementation resets a pushed_arguments_ counter based on the argument_count() of the preceeding basic block, then tracks it per-instruction as before (except that now we maintain a count rather than a boolean flag). At the same time, since we now track exactly how many arguments have been pushed onto the stack, I was able to adjust the offset accordingly and use jssp for stack slots even when arguments have been pushed. BUG= Review URL: https://codereview.chromium.org/1038363002 Cr-Commit-Position: refs/heads/master@{#29249}
V8 is Google's open source JavaScript engine.
V8 implements ECMAScript as specified in ECMA-262.
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