Separate shrink-wrapping

by · Sep 9, 2017 · 180 views ·

The -fshrink-wrap-separate sub-pass (new in GCC 7) places pieces of the prologue and epilogue in places where they will be executed less frequently. This talk will describe why this is useful, how this works, and what changes a target needs to make to hook this up. If there is time I'll also discuss some future work in this area.

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