gcc/testsuite/gcc.target/i386/mmx-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O0 -Werror-implicit-function-declaration -mmmx" } */
   3
   4 /* Test that the intrinsics compile without optimization.  All of them are
   5    defined as inline functions in mmintrin.h that reference the proper
   6    builtin functions.  Defining away "extern" and "__inline" results in
   7    all of them being compiled as proper functions.  */
   8
   9 #define extern
  10 #define __inline
  11
  12 #include <mmintrin.h>