• mtrofin's avatar
    [turbofan] Centralize splitting for memory operands. · 0b024958
    mtrofin authored
    This addresses an issue where the at-start splitting used
    in the splintering mechanism was in conflict with the mechanics
    used in linear allocator, in particular in the initial split/spill of
    ranges for memory operands. We are already doing a split-at-start in
    Greedy, so this change centralizes that to the base RegisterAllocator.
    
    Verified locally that v8:4508 is addressed by this. Also, this fixes
    the failures that required the revert
    5308a999. See trybots at
    issue 1425533002.
    
    R=bmeurer@chromium.org,jarin@chromium.org
    BUG= v8:4508
    LOG=n
    
    Review URL: https://codereview.chromium.org/1426583002
    
    Cr-Commit-Position: refs/heads/master@{#31544}
    0b024958
greedy-allocator.h 6.7 KB