Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/compile: add rules about ORN and ANDN

Browse source 
Reduce the number of go toolchain instructions on loong64 as follows.

    file      before    after     Δ       %
    addr2line 279880    279776  -104   -0.0372%
    asm       556638    556410  -228   -0.0410%
    buildid   272272    272072  -200   -0.0735%
    cgo       481522    481318  -204   -0.0424%
    compile   2457788   2457580 -208   -0.0085%
    covdata   323384    323280  -104   -0.0322%
    cover     518450    518234  -216   -0.0417%
    dist      340790    340686  -104   -0.0305%
    distpack  282456    282252  -204   -0.0722%
    doc       789932    789688  -244   -0.0309%
    fix       324332    324228  -104   -0.0321%
    link      704622    704390  -232   -0.0329%
    nm        277132    277028  -104   -0.0375%
    objdump   507862    507758  -104   -0.0205%
    pack      221774    221674  -100   -0.0451%
    pprof     1469816   1469552 -264   -0.0180%
    test2json 254836    254732  -104   -0.0408%
    trace     1100002   1099738 -264   -0.0240%
    vet       781078    780874  -204   -0.0261%
    go        1529116   1528848 -268   -0.0175%
    gofmt     318556    318448  -108   -0.0339%
    total     13792238 13788566 -3672  -0.0266%

Change-Id: I23fb3ebd41309252c7075e57ea7094e79f8c4fef
Reviewed-on: https://go-review.googlesource.com/c/go/+/674335
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
This commit is contained in:
Xiaolin Zhao 2025-05-20 10:28:17 +08:00 • committed by Gopher Robot
parent 0810fd2d92
commit 4ce1c8e9e1
6 changed files with 90 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/cmd/compile/internal/ssa/_gen/LOONG64Ops.go
View file

@ -221,6 +221,8 @@ func init() {
{name: "XORconst", argLength: 1, reg: gp11, asm: "XOR", aux: "Int64", typ: "UInt64"}, // arg0 ^ auxInt
{name: "NOR", argLength: 2, reg: gp21, asm: "NOR", commutative: true}, // ^(arg0 | arg1)
{name: "NORconst", argLength: 1, reg: gp11, asm: "NOR", aux: "Int64"}, // ^(arg0 | auxInt)
{name: "ANDN", argLength: 2, reg: gp21, asm: "ANDN"}, // arg0 & ^arg1
{name: "ORN", argLength: 2, reg: gp21, asm: "ORN"}, // arg0 | ^arg1
{name: "FMADDF", argLength: 3, reg: fp31, asm: "FMADDF", commutative: true, typ: "Float32"}, // (arg0 * arg1) + arg2
{name: "FMADDD", argLength: 3, reg: fp31, asm: "FMADDD", commutative: true, typ: "Float64"}, // (arg0 * arg1) + arg2