• ahaas's avatar
    [turbofan] Add the RoundInt32ToFloat32 operator to turbofan. · e06f7d78
    ahaas authored
    The new operator converts an int32 input to float32. If the input cannot
    be represented exactly in float32, the value is rounded using the
    round-ties-even rounding mode (the default rounding mode).
    
    I provide implementations of the new operator for x64, ia32, arm, arm64,
    mips, mips64, ppc, and ppc64.
    
    R=titzer@chromium.org, v8-arm-ports@googlegroups.com, v8-mips-ports@googlegroups.com, v8-ppc-ports@googlegroups.com
    
    Review URL: https://codereview.chromium.org/1589363002
    
    Cr-Commit-Position: refs/heads/master@{#33347}
    e06f7d78
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