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Cuong Manh Le 7f8fda3c0b cmd/compile: use proper magnitude for (x>>c) & uppermask = 0
This is followup of CL 228860, which rewrite shift rules to use typed
aux. That CL introduced nlz* functions, to refactor left shift rules.
While at it, we realize there's a bug in old rules with both right/left
shift rules, but only fix for left shift rules only.

This CL fixes the bug for right shift rules.

Passes toolstash-check.

Change-Id: Id8f2158b1b66c9e87f3fdeaa7ae3e35dc0666f8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/229137
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
2020-04-21 03:45:26 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api all: remove scattered remnants of darwin/386 2020-04-08 18:37:38 +00:00
doc crypto/tls: add Dialer 2020-04-20 20:33:36 +00:00
lib/time time/tzdata: new package 2020-04-14 19:34:31 +00:00
misc cmd/cgo: use consistent tag for a particular struct 2020-04-14 18:59:37 +00:00
src cmd/compile: use proper magnitude for (x>>c) & uppermask = 0 2020-04-21 03:45:26 +00:00
test cmd/compile: use oneBit instead of isPowerOfTwo in bit optimization 2020-04-21 00:38:34 +00:00
.gitattributes build: force all Windows batch files to CRLF 2020-03-22 08:42:38 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A: add Tailscale Inc. (Corporate CLA) 2020-04-21 01:41:37 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add Andy Pan (individual CLA) 2020-04-05 22:58:00 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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