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5b043abe12
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isharipo 5b043abe12 cmd/asm: restrict x86 shift ops to 8bit args 
Change "yshl" and "yshb" immediate oclass from Yi32 to Yu8.
This forbids:
- negative shift counts
- shift counts that not fit into 8bit

Affects:
  RCL{B,L,Q,W}
  RCR{B,L,Q,W}
  ROL{B,L,Q,W}
  ROR{B,L,Q,W}
  SAL{B,L,Q,W}
  SAR{B,L,Q,W}
  SHL{B,L,Q,W}
  SHR{B,L,Q,W}

Issue #21528 has some additional context about this change.

Change-Id: I60884cb2b41a860820889fcd878ca6f564006b4a
Reviewed-on: https://go-review.googlesource.com/62190
Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2017-09-07 20:04:48 +00:00
.github .github: update ISSUE_TEMPLATE to be closer to 'go bug' 2017-08-19 04:06:10 +00:00
api doc, api: add syscall.SysProcAttr.AmbientCaps change to 1.9 notes, API 2017-06-29 03:29:46 +00:00
doc doc: update DWARF version 2017-09-06 20:26:48 +00:00
lib/time time: vendor tzdata-2017b and update test 2017-06-07 21:23:58 +00:00
misc cmd/go: pass plugin package name to compile -p 2017-09-01 18:27:59 +00:00
src cmd/asm: restrict x86 shift ops to 8bit args 2017-09-07 20:04:48 +00:00
test cmd/compile: fix evaluation order for OASOP 2017-09-05 18:10:17 +00:00
.gitattributes
.gitignore .gitignore: include only Go project artifiacts 2017-08-15 21:37:05 +00:00
AUTHORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +00:00
CONTRIBUTING.md .github: recommend 'go bug' when filing an issue 2017-07-24 17:18:34 +00:00
CONTRIBUTORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
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README.md readme: add attribution for the Gopher image 2017-02-03 19:39:41 +00:00
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README.md

The Go Programming Language

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