David Chase b7b44b3173 cmd/compile: remove incorrect arm,arm64 CMP->CMN transformations ...

These can go wrong when one of the operands is the minimum integer value.

Fixes #50854.

Change-Id: I238fe284f60c7ee5aeb9dc9a18e8b1578cdb77d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/381318
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

2022-01-27 19:52:52 +00:00

890 B

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