diff options
| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2025-08-05 17:14:35 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2025-08-10 18:53:21 -0700 |
| commit | a62f72f7a7ee606c803d1c68cadd24e45eea5e83 (patch) | |
| tree | 46c38f4320bb87970e8f3e74c67a69979374ce28 /src/database/sql/sql.go | |
| parent | fbac94a79998d4730a58592f0634fa8a39d8b9fb (diff) | |
| download | go-a62f72f7a7ee606c803d1c68cadd24e45eea5e83.tar.xz | |
cmd/compile/internal/ssa: optimise more branches with SGTconst/SGTUconst on loong64
Add branches to convert EQZ/NEZ into more optimal branch conditions.
This reduces 720 instructions from the go toolchain binary on loong64.
file before after Δ %
asm 555306 555082 -224 -0.0403%
cgo 481814 481742 -72 -0.0149%
compile 2475686 2475710 +24 +0.0010%
cover 516854 516770 -84 -0.0163%
link 702566 702530 -36 -0.0051%
preprofile 238612 238548 -64 -0.0268%
vet 793140 793060 -80 -0.0101%
go 1573466 1573346 -120 -0.0076%
gofmt 320560 320496 -64 -0.0200%
total 7658004 7657284 -720 -0.0094%
Additionally, rename EQ/NE to EQZ/NEZ to enhance readability.
Change-Id: Ibc876bc8b8d4e81d5c3aaf0b74b60419f3c771b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/693455
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Diffstat (limited to 'src/database/sql/sql.go')
0 files changed, 0 insertions, 0 deletions