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vect_abs
2015 Nov 13
2
[RFC] Introducing a vector reduction add instruction.
Hi
When a reduction instruction is vectorized in a loop, it will be
turned into an instruction with vector operands of the same operation
type. This new instruction has a special property that can give us
more flexibility during instruction selection later: this operation is
valid as long as the reduction of all elements of the result vector is
identical to the reduction of all elements of its