• bjaideep's avatar
    PPC: [builtins] Migrate Math.log to TurboFan. · 0ed27704
    bjaideep authored
    Port f2da19fe
    
    Original commit message:
    
        Introduce a dedicated Float64Log machine operator, that is either
        implemented by a direct C call or by platform specific code, i.e.
        using the FPU on x64 and ia32.
    
        This operator is used to implement Math.log as a proper TurboFan
        builtin on top of the CodeStubAssembler.
    
        Also introduce a NumberLog simplified operator on top of Float64Log
        and use that for the fast inline path of Math.log inside TurboFan
        optimized code.
    
    R=bmeurer@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com
    
    BUG=v8:5065
    LOG=N
    
    Review-Url: https://codereview.chromium.org/2036273002
    Cr-Commit-Position: refs/heads/master@{#36720}
    0ed27704
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