• Junliang Yan's avatar
    PPC/s390: [arm] Port the skipping of arguments adaptor frames. · d71374b1
    Junliang Yan authored
    Port 4f62b4bb
    
    Original Commit Message:
    
        This is a port of the improvements to the ArgumentsAdaptorTrampoline
        that previously landed for x64. It skips the arguments adaptor frame
        creation if the callee cannot observe the actual arguments (as indicated
        by the "is_safe_to_skip_arguments_adaptor" bit on the SharedFunctionInfo),
        and instead just massages the current stack frame appropriately (either
        by pushing more undefineds in case of under application, or by removing
        the superfluous arguments in case of over application).
    
    R=bmeurer@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com, miladfar@ca.ibm.com
    BUG=
    LOG=N
    
    Change-Id: I94824c4b3d94f7c93c7526c865b82649426cd3a4
    Reviewed-on: https://chromium-review.googlesource.com/c/1495014Reviewed-by: 's avatarMilad Farazmand <miladfar@ca.ibm.com>
    Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
    Cr-Commit-Position: refs/heads/master@{#59974}
    d71374b1
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