| commit | 755b36aa532f6b23081bf5eaf83449c1a6dd8114 | [log] [tgz] |
|---|---|---|
| author | Keith Randall <khr@google.com> | Tue Feb 13 12:33:55 2018 -0800 |
| committer | Keith Randall <khr@golang.org> | Wed Feb 14 00:03:36 2018 +0000 |
| tree | 149151d71f957eab398356d0ee16b3eb15aac425 | |
| parent | 8de2f604c0b225aa41cb1b4e2ab97e3512a51445 [diff] |
cmd/compile: fix constant folding of right shifts The sub-word shifts need to sign-extend before shifting, to avoid bringing in data from higher in the argument. Fixes #23812 Change-Id: I0a95a0b49c48f3b40b85765bb4a9bb492be0cd73 Reviewed-on: https://go-review.googlesource.com/93716 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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