• mbrandy's avatar
    PPC: [turbofan]: Implement tail calls with more callee than caller parameters · 1d1557d8
    mbrandy authored
    Port c6d310da
    
    Original commit message:
        * Adds a PrepareForTailCall instruction that bumps the stack in the case that
          the number of parameters passed to the callee causes the stack to exceed the
          calleer's frame size.
        * Uses the gap resolver to move the saved caller return address and frame
          pointer to the approprate location in the tail-called frame.
    
    R=danno@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
    BUG=v8:4076
    LOG=n
    
    Review URL: https://codereview.chromium.org/1460183003
    
    Cr-Commit-Position: refs/heads/master@{#32183}
    1d1557d8
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