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Cherry Zhang 68331750da cmd/compile: remove some write barriers for stack writes
This, along with CL 30140, removes ~50% of stack write barriers
mentioned in issue #17330. The remaining are most due to Phi and
FwdRef, which is not resolved when building SSA. We might be
able to do it at a later stage where Phi and Copy propagations
are done, but matching an if-(store-store-call)+ sequence seems
not very pleasant.

Updates #17330.

Change-Id: Iaa36c7b1f4c4fc3dc10a27018a3b0e261094cb21
Reviewed-on: https://go-review.googlesource.com/30290
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2016-10-10 13:15:04 +00:00
.github doc: improve issue template 2016-08-29 03:33:28 +00:00
api unicode: upgrade to version 9.0.0 2016-06-28 15:08:11 +00:00
doc doc: update go1.8.txt using new tool 2016-10-09 19:15:43 +00:00
lib/time lib/time: update to IANA release 2016f (July 2016) 2016-07-07 16:15:13 +00:00
misc cmd/compile, cmd/cgo: align complex{64,128} like GCC 2016-10-05 17:44:27 +00:00
src cmd/compile: remove some write barriers for stack writes 2016-10-10 13:15:04 +00:00
test cmd/compile: avoid leak of dottype expression on double assignment form 2016-10-10 12:09:16 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore cmd/go: fail with nice error message on bad GOOS/GOARCH pair 2016-05-06 01:18:07 +00:00
AUTHORS A+C: automated updates 2016-06-24 02:21:02 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS A+C: automated updates 2016-06-24 02:21:02 +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
PATENTS
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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