title .586P ms.date 11/05/2019 f1_keywords .586P helpviewer_keywords .586P directive ms.assetid 90da2a7d-66f4-4073-b1a9-874de6e8f05d .586P (32-bit MASM) Enables assembly of all instructions (including privileged) for the Pentium processor. (32-bit MASM only.) Syntax .586P See also Directives Reference MASM BNF Grammar