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Keith Randall d3daeb5267 runtime: remove the restriction that write barrier ptrs come in pairs
Future CLs will remove the invariant that pointers are always put in
the write barrier in pairs.

The behavior of the assembly code changes a bit, where instead of writing
the pointers unconditionally and then checking for overflow, check for
overflow first and then write the pointers.

Also changed the write barrier flush function to not take the src/dst
as arguments.

Change-Id: I2ef708038367b7b82ea67cbaf505a1d5904c775c
Reviewed-on: https://go-review.googlesource.com/c/go/+/447779
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Bypass: Keith Randall <khr@golang.org>
2023-02-17 22:19:26 +00:00
.github .github: suggest using private browsing in pkgsite template 2023-01-03 18:52:47 +00:00
api cmd/api: add API checks for freebsd/riscv64 2023-02-17 21:23:32 +00:00
doc doc: add missing builtin functions not permitted in statement context 2023-02-16 19:49:55 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc runtime: reimplement GODEBUG=cgocheck=2 as a GOEXPERIMENT 2023-02-16 00:16:24 +00:00
src runtime: remove the restriction that write barrier ptrs come in pairs 2023-02-17 22:19:26 +00:00
test test: add regress test for #58572 2023-02-17 03:59:20 +00:00
.gitattributes
.gitignore time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
codereview.cfg
CONTRIBUTING.md
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00
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