diff --git a/libc/arch-arm/denver/bionic/memcpy.S b/libc/arch-arm/denver/bionic/memcpy.S
index d4e0fb4..743c74b 100644
--- a/libc/arch-arm/denver/bionic/memcpy.S
+++ b/libc/arch-arm/denver/bionic/memcpy.S
@@ -61,6 +61,10 @@
         .syntax unified
         .fpu    neon
 
+        // To avoid warning about deprecated instructions, add an explicit
+        // arch. The code generated is exactly the same.
+        .arch armv7-a
+
 ENTRY(__memcpy_chk)
         cmp     r2, r3
         bls     memcpy