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...the induction variable is not even known at run time! Meaning, that's not a constant at all! Example: a[i] = b[ c[i] ]; ld1w z0.s, p0/z, [ c, i, lsl 2 ] ld1w z1.s, p0/z, [ b, z0.s, stxw 2 ] Now, z0.s load may have failed with seg fault somewhere, and it's up to the FFR to tell brka/brkb how to deal with this. Each iteration will have: * The same vector length *per process* for accessing c[] * A potentially *different* vector length, *per iteration*, for accessing b[] So, while <n x m x i32> could be constant on some vectors, even at compile time (if we have a flag that...

Hi Renato, Sorry for the delay in responding. We've been busy rethinking some of our changes after the feedback we've received thus far (particularly from the devmeeting). The incremental patches will use our revised design(which should be less invasive), and I'll be updating our document to match. On 16/11/2016, 12:46, "Renato Golin" <renato.golin at linaro.org>