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Commit Graph

2 Commits

Author SHA1 Message Date
Paul E. Murphy
c570f0eda2 cmd/compile: combine OR + NOT into ORN on PPC64
This shows up in a few crypto functions, and other
assorted places.

Change-Id: I5a7f4c25ddd4a6499dc295ef693b9fe43d2448ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/404057
Run-TryBot: Paul Murphy <murp@ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
2022-05-04 18:49:50 +00:00
Keith Randall
ef9c8a38ad cmd/compile: don't rewrite (CMP (AND x y) 0) to TEST if AND has other uses
If the AND has other uses, we end up saving an argument to the AND
in another register, so we can use it for the TEST. No point in doing that.

Change-Id: I73444a6aeddd6f55e2328ce04d77c3e6cf4a83e0
Reviewed-on: https://go-review.googlesource.com/c/go/+/241280
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-08-17 22:00:44 +00:00