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Jaideep Bajwa authored
Port 51a15140 Original Commit Message: This change adapts the Call bytecode handlers such that they don't require a stack frame. It does this by modifying the call bytecode handler to tail-call the Call or InterpreterPushArgsAndCall builtins. As a result, the callee function will return to the InterpreterEntryTrampoline when it returns (since this is the return address on the interpreter frame), which is adapted to dispatch to the next bytecode handler. The return bytecode handler is modified to tail-call a new InterpreterExitTramoline instead of returning to the InterpreterEntryTrampoline. Overall this significanlty reduces the amount of stack space required for interpreter frames, increasing the maximum depth of recursive calls from around 6000 to around 12,500 on x64. R=rmcilroy@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com BUG=chromium:753705 LOG=N Change-Id: Ieac490d82098c13741080061eda762d54baf8c04 Reviewed-on: https://chromium-review.googlesource.com/639315Reviewed-by: Junliang Yan <jyan@ca.ibm.com> Commit-Queue: Jaideep Bajwa <bjaideep@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#47694}
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