Index: simd/x86_64/jidctfst-sse2.asm
--- simd/x86_64/jidctfst-sse2.asm.orig
+++ simd/x86_64/jidctfst-sse2.asm
@@ -95,6 +95,7 @@ PB_CENTERJSAMP times 16 db  CENTERJSAMPLE
     GLOBAL_FUNCTION(jsimd_idct_ifast_sse2)
 
 EXTN(jsimd_idct_ifast_sse2):
+    _endbr64
     push        rbp
     mov         rbp, rsp
     push        r15
