extern GTY(()) tree gfor_fndecl_math_ishftc4;
extern GTY(()) tree gfor_fndecl_math_ishftc8;
extern GTY(()) tree gfor_fndecl_math_ishftc16;
-extern GTY(()) tree gfor_fndecl_math_exponent4;
-extern GTY(()) tree gfor_fndecl_math_exponent8;
-extern GTY(()) tree gfor_fndecl_math_exponent10;
-extern GTY(()) tree gfor_fndecl_math_exponent16;
/* BLAS functions. */
extern GTY(()) tree gfor_fndecl_sgemm;