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David Chase authored
Abandoned earlier efforts to expose zero register, but left it in numbering to decrease squirrelyness of register allocator. ISELrelOp used in code generation of bool := x relOp y. Some patterns added to better elide zero case and some sign extension. Updates: #17109 Change-Id: Ida7839f0023ca8f0ffddc0545f0ac269e65b05d9 Reviewed-on: https://go-review.googlesource.com/29380 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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