1
0
mirror of https://github.com/golang/go synced 2024-11-12 13:30:29 -07:00
Commit Graph

1 Commits

Author SHA1 Message Date
Keith Randall
b4ecafc986 cmd/compile: restrict bit test rewrite rules
The {AND,OR,XOR}const ops can only take an int32 as an argument.
Make sure that when rewriting a BTx op to one of these, the result
has no high-order bits.

Fixes #38746

Change-Id: Ia7c5f76952329f60974bc033c29a5433610f3b28
Reviewed-on: https://go-review.googlesource.com/c/go/+/231977
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2020-05-05 15:41:37 +00:00