nmmintrin.h header file contains macros like #define SIDD_XXX
These need to be named with a leading underscore, as in #define _SIDD_XXX since user may define SIDD_XXX. -- Summary: nmmintrin.h defines macros SIDD_XXX Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35453