Reviewers: Benedikt Meurer, titzer,
Message:
PTAL. It's about +3.5% on Octane zlib
Description:
[turbofan] Optimize add operations to use 'leal' instruction on x64
Add MemoryOperandMatcher that recognizes node clusters in the form
[%r1 + %r2*SCALE + OFFSET] and explicit support in the x64 Int32Add
selector to use it to translate complex adds to 'leal' instructions.
Please review this at https://codereview.chromium.org/704713003/
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+630, -3 lines):
M src/compiler/x64/instruction-selector-x64.cc
M test/unittests/compiler/x64/instruction-selector-x64-unittest.cc
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