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| author | Jorropo <jorropo.pgm@gmail.com> | 2026-03-29 05:06:28 +0200 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-03-31 10:58:48 -0700 |
| commit | d9fbe4c90d956f7835224f4de1afcf799e8cc3ed (patch) | |
| tree | 7abada6931391ebd4659ff941f4c8617064f66fa /test/codegen | |
| parent | de7f006df2a70df34d6bd814489ba675153e829e (diff) | |
| download | go-d9fbe4c90d956f7835224f4de1afcf799e8cc3ed.tar.xz | |
cmd/compile: convert some condmoves in XOR
Similar to CL 685676 but for XOR.
Change-Id: Ib5ffd4c13348f176a808b3218fdbbafc2c42794f
Reviewed-on: https://go-review.googlesource.com/c/go/+/760921
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Auto-Submit: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/condmove.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/codegen/condmove.go b/test/codegen/condmove.go index 7ccdd6e3e1..5633da10fe 100644 --- a/test/codegen/condmove.go +++ b/test/codegen/condmove.go @@ -521,6 +521,17 @@ func cmovmathor(a uint, b bool) uint { return a } +func cmovmathxor(a uint, b bool) uint { + if b { + a ^= 1 + } + // amd64:"XORQ", -"CMOV" + // arm64:"EOR", -"CSEL" + // ppc64x:"XOR", -"ISEL" + // wasm:"I64Xor", -"Select" + return a +} + func branchlessBoolToUint8(b bool) (r uint8) { if b { r = 1 |