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accumulator forwarding. Specifically (from SVN log entry): Distribute (A + B) * C to (A * C) + (B * C) to make use of NEON multiplier accumulator forwarding: vadd d3, d0, d1 vmul d3, d3, d2 => vmul d3, d0, d2 vmla d3, d1, d2 Make sure it catches cases where operand 1 is add/fadd/sub/fsub, which was intended in the original revision. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133127 91177308-0d34-0410-b5e6-96231b3b80d8 |
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