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| author | Joel Sing <joel@sing.id.au> | 2026-02-21 03:29:09 +1100 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-03-06 14:39:32 -0800 |
| commit | 3a29ebeef985efb12d2b8670f50b146e9a2815ca (patch) | |
| tree | e08894e3c63d59cdff57ccdaf8d71cf4a0505f54 /test/codegen | |
| parent | 426ea5cd22d8de6b1ed909062c624fd1e6e04757 (diff) | |
| download | go-3a29ebeef985efb12d2b8670f50b146e9a2815ca.tar.xz | |
cmd/compile: additional optimisation for CZEROEQZ/CZERONEZ on riscv64
Negation on a condition can be eliminated.
Change-Id: I94fab5f019cbaebb2ca589e1d8796a9cb72f3894
Reviewed-on: https://go-review.googlesource.com/c/go/+/748401
Reviewed-by: Xueqi Luo <1824368278@qq.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Julian Zhu <jz531210@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Keith Randall <khr@golang.org>
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/condmove.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/codegen/condmove.go b/test/codegen/condmove.go index bd2d1540b4..93159d1ca4 100644 --- a/test/codegen/condmove.go +++ b/test/codegen/condmove.go @@ -534,6 +534,6 @@ func constantTimeSelect(v, x, y int) int { // amd64:"CMOVQ" // arm64:"CSEL" // riscv64/rva20u64,riscv64/rva22u64:"SNEZ" "NEG" "AND" "OR" - // riscv64/rva23u64:"NEG" "CZERONEZ" "CZEROEQZ" "OR" -"SNEZ" -"AND" + // riscv64/rva23u64:"CZERONEZ" "CZEROEQZ" "OR" -"SNEZ" -"NEG" -"AND" return subtle.ConstantTimeSelect(v, x, y) } |