Index: vendor/github.com/segmentio/asm/bswap/swap64_amd64.s
--- vendor/github.com/segmentio/asm/bswap/swap64_amd64.s.orig
+++ vendor/github.com/segmentio/asm/bswap/swap64_amd64.s
@@ -1,6 +1,6 @@
 // Code generated by command: go run swap64_asm.go -pkg bswap -out ../bswap/swap64_amd64.s -stubs ../bswap/swap64_amd64.go. DO NOT EDIT.
 
-//go:build !purego
+//go:build !purego && !openbsd
 
 #include "textflag.h"
 
