diff options
| author | Keith Randall <khr@golang.org> | 2022-11-01 14:18:09 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2023-02-17 22:21:22 +0000 |
| commit | d49719b1f75ea745937bdbc09ae5927c5378780b (patch) | |
| tree | 1e68379c42183f99f70986129d2a75c6adcfb6f2 /src/runtime/asm_mips64x.s | |
| parent | d3daeb5267b626db36adf2f39c36f6caf94447e3 (diff) | |
| download | go-d49719b1f75ea745937bdbc09ae5927c5378780b.tar.xz | |
cmd/compile: move raw writes out of write barrier code
Previously, the write barrier calls themselves did the actual
writes to memory. Instead, move those writes out to a common location
that both the wb-enabled and wb-disabled code paths share.
This enables us to optimize the write barrier path without having
to worry about performing the actual writes.
Change-Id: Ia71ab651908ec124cc33141afb52e4ca19733ac6
Reviewed-on: https://go-review.googlesource.com/c/go/+/447780
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Bypass: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/runtime/asm_mips64x.s')
| -rw-r--r-- | src/runtime/asm_mips64x.s | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/src/runtime/asm_mips64x.s b/src/runtime/asm_mips64x.s index 6f413db84b..c6677d0014 100644 --- a/src/runtime/asm_mips64x.s +++ b/src/runtime/asm_mips64x.s @@ -662,8 +662,6 @@ retry: MOVV R1, -8(R2) // Record *slot MOVV 184(R29), R1 MOVV 192(R29), R2 - // Do the write. - MOVV R21, (R20) RET flush: |