On 11/14/2014 09:56 AM, Sergei Shtylyov wrote: >> #define DISABLED_MASK6 0 >> #define DISABLED_MASK7 0 >> #define DISABLED_MASK8 0 >> -#define DISABLED_MASK9 0 >> +#define DISABLED_MASK9 (DISABLE_MPX) > > These parens are not really needed. Sorry to be a PITA and not saying > this before. One goal of the disabled features patch was to maintain parity with required-features.h. It declares things this way: > #define REQUIRED_MASK3 (NEED_NOPL) > #define REQUIRED_MASK4 (NEED_MOVBE) So, no, those aren't strictly needed, but there is precedent for them and they do no harm. I think I'll leave them as-is.