| commit | 419e6f0835b8ae24b66304b6a2e56458e14b15db | [log] [tgz] |
|---|---|---|
| author | Keith Randall <khr@google.com> | Tue Feb 13 12:33:55 2018 -0800 |
| committer | Andrew Bonventre <andybons@golang.org> | Thu Feb 15 03:01:30 2018 +0000 |
| tree | 192b0e536aeec1fe83c50026ebc2055ab5933ce9 | |
| parent | 4c4ce3dc79fcf535045e69068b15142d8b7259cd [diff] |
[release-branch.go1.10] 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> (cherry picked from commit 755b36aa532f6b23081bf5eaf83449c1a6dd8114) Reviewed-on: https://go-review.googlesource.com/94215 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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