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Cherry Zhang 0f992b9948 cmd/compile: not use REGTMP in ZeroRange on ARM64
For async preemption, we will be using REGTMP as a temporary
register in injected call on ARM64, which will clobber it. So any
code that uses REGTMP is not safe for async preemption.

For ZeroRange, which is inserted at the function entry where
there is no register live, we could just use a different register
and avoid REGTMP.

Change-Id: I3db763828df6846908c9843a9912597efb9efcdf
Reviewed-on: https://go-review.googlesource.com/c/go/+/203458
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2019-11-05 02:54:42 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc testing: implement Cleanup method 2019-11-04 10:13:30 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc syscall/js: garbage collect references to JavaScript values 2019-11-04 22:50:43 +00:00
src cmd/compile: not use REGTMP in ZeroRange on ARM64 2019-11-05 02:54:42 +00:00
test cmd/compile: fix //go:uintptrescapes for basic method calls 2019-11-05 00:26:30 +00:00
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