Take the following testcase: #include <altivec.h> #define xprint_vec(type) void x##type(vector type v) { } xprint_vec(float);
This used to work in 4.3 and before but does not currently. The problem here was introduced when the context sensitive keyword support was added. -- Summary: [4.4 Regression] vector context sensitive keyword vs macros Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: rejects-valid Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org GCC target triplet: powerpc-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36904