fix(z): runtime error: index out of range for !amd64 env #287 (#307)

joshua-goldstein · brain.duan · web-flow · commit 9b20e9a109df · 2022-10-10T14:31:49.000-05:00
This PR cherry picks [PR 287](#287) into main. Co-authored-by: brain.duan <brain.duan@ebistrategy.com>
diff --git a/z/simd/search.go b/z/simd/search.go
@@ -20,7 +20,7 @@ package simd
 
 // Search uses the Clever search to find the correct key.
 func Search(xs []uint64, k uint64) int16 {
-	if len(xs) < 8 {
+	if len(xs) < 8 || (len(xs) % 8 != 0) {
 		return Naive(xs, k)
 	}
 	var twos, pk [4]uint64

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@ package simd`
`20`	`20`
`21`	`21`	`// Search uses the Clever search to find the correct key.`
`22`	`22`	`func Search(xs []uint64, k uint64) int16 {`
`23`		`- if len(xs) < 8 {`
	`23`	`+ if len(xs) < 8 \|\| (len(xs) % 8 != 0) {`
`24`	`24`	`return Naive(xs, k)`
`25`	`25`	`}`
`26`	`26`	`var twos, pk [4]uint64`