inline.h: _BitScanForward64 is available only on 64-bit architectures

Fixes #19205
Perl · Oct 20, 2021 · aee5e9e · aee5e9e
1 parent 52e3f3a
commit aee5e9e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/inline.h b/inline.h
@@ -772,7 +772,7 @@ Perl_lsbit_pos64(U64 word)
 
     return (unsigned) PERL_CTZ_64(word);
 
-#  elif U64SIZE == 8 && defined(_MSC_VER)
+#  elif U64SIZE == 8 && defined(_WIN64) && defined(_MSC_VER)
 #    define PERL_HAS_FAST_GET_LSB_POS64
 
     {