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Keith Randall 1cc5789df9 [dev.ssa] cmd/compile: lots of small rewrite optimizations
Small optimizations I noticed while looking at Giovanni's test cases.

More shifts by constants.
Indexed stores for smaller types.
Fold LEA into loads/stores.
More extending loads.
CMP $0 of AND -> TEST

Fix order of TEST ops.

Giovanni's test cases at https://gist.github.com/rasky/62fba94e3a20d1b05b2a

Change-Id: I7077bc0b5319bf05767eeb39f401f4bb4b39f635
Reviewed-on: https://go-review.googlesource.com/19086
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Todd Neal <todd@tneal.org>
Reviewed-by: David Chase <drchase@google.com>
2016-01-31 05:30:13 +00:00
api go/types: rename Importer2 to ImporterFrom 2016-01-13 23:40:13 +00:00
doc doc: revise help page with categories and more links 2016-01-14 03:15:39 +00:00
lib/time lib/time: update to IANA release 2015e. 2015-07-22 02:56:31 +00:00
misc [dev.ssa] cmd/compile: fix write barriers for SSA 2016-01-29 17:49:59 +00:00
src [dev.ssa] cmd/compile: lots of small rewrite optimizations 2016-01-31 05:30:13 +00:00
test [dev.ssa] cmd/compile: make cse faster 2016-01-28 20:59:20 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore runtime: break out system-specific constants into package sys 2015-11-12 17:04:45 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: suggest security@golang.org for reporting security issues 2015-06-26 09:53:36 +00:00
CONTRIBUTORS A+C: manual updates 2016-01-08 06:02:39 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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