From 7d60b65249c8af355d739ccf44482a899d89c9c1 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Wed, 19 Nov 2025 08:00:00 +0800
Subject: Replace adler32 with github.com/mhr3/adler32-simd

Unfortunately no VSX support yet
---
 internal/adler32/adler32_fallback.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 internal/adler32/adler32_fallback.go

(limited to 'internal/adler32/adler32_fallback.go')

diff --git a/internal/adler32/adler32_fallback.go b/internal/adler32/adler32_fallback.go
new file mode 100644
index 00000000..c213c3c1
--- /dev/null
+++ b/internal/adler32/adler32_fallback.go
@@ -0,0 +1,19 @@
+//go:build (!arm64 && !amd64) || purego
+
+package adler32
+
+import (
+	"hash"
+	"hash/adler32"
+)
+
+// The size of an Adler-32 checksum in bytes.
+const Size = 4
+
+// New returns a new hash.Hash32 computing the Adler-32 checksum.
+func New() hash.Hash32 {
+	return adler32.New()
+}
+
+// Checksum returns the Adler-32 checksum of data.
+func Checksum(data []byte) uint32 { return adler32.Checksum(data) }
-- 
cgit v1.3.1-10-gc9f91