diff options
| author | Guoqi Chen <chenguoqi@loongson.cn> | 2026-01-29 23:26:09 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-01-29 13:11:41 -0800 |
| commit | baa6b1f2bf258a857dedddf8be9cb1779bad797a (patch) | |
| tree | 50200a28cbcaf2cbbec8703d89a966abfabf6ec5 | |
| parent | 10ed9b6ed5ffadf16151d98a188a4242515b62e9 (diff) | |
| download | go-baa6b1f2bf258a857dedddf8be9cb1779bad797a.tar.xz | |
cmd/compile: update ABI document for loong64
The duff device has been dropped on loong64,
now we can remove related documentation.
Change-Id: I0bd721adc227522ae3c56dfe199ef735cfdf5d33
Reviewed-on: https://go-review.googlesource.com/c/go/+/740260
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
| -rw-r--r-- | src/cmd/compile/abi-internal.md | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/src/cmd/compile/abi-internal.md b/src/cmd/compile/abi-internal.md index a04b5aed3f..535acedd84 100644 --- a/src/cmd/compile/abi-internal.md +++ b/src/cmd/compile/abi-internal.md @@ -643,8 +643,6 @@ Registers R20 - R21, R23 – R28, R30 - R31, F16 – F31 are permanent scratch r Register R2 is reserved and never used. -Register R20, R21 is Used by runtime.duffcopy, runtime.duffzero. - Special-purpose registers used within Go generated code and Go assembly code are as follows: @@ -653,7 +651,6 @@ are as follows: | R0 | Zero value | Same | Same | | R1 | Link register | Link register | Scratch | | R3 | Stack pointer | Same | Same | -| R20,R21 | Scratch | Scratch | Used by duffcopy, duffzero | | R22 | Current goroutine | Same | Same | | R29 | Closure context pointer | Same | Same | | R30, R31 | used by the assembler | Same | Same | |