Index: simd/x86_64/jquanti-avx2.asm
--- simd/x86_64/jquanti-avx2.asm.orig
+++ simd/x86_64/jquanti-avx2.asm
@@ -38,6 +38,7 @@
     GLOBAL_FUNCTION(jsimd_convsamp_avx2)
 
 EXTN(jsimd_convsamp_avx2):
+    _endbr64
     push        rbp
     mov         rbp, rsp
     collect_args 3
@@ -115,6 +116,7 @@ EXTN(jsimd_convsamp_avx2):
     GLOBAL_FUNCTION(jsimd_quantize_avx2)
 
 EXTN(jsimd_quantize_avx2):
+    _endbr64
     push        rbp
     mov         rbp, rsp
     collect_args 3
