gcc/ChangeLog:

2017-06-02  Carl Love  <cel@us.ibm.com>

   * config/rs6000/rs6000-c: Add support for built-in functions
   vector double vec_doublee (vector signed int);
   vector double vec_doublee (vector unsigned int);
   vector double vec_doublee (vector float);
   vector double vec_doubleh (vector signed int);
   vector double vec_doubleh (vector unsigned int);
   vector double vec_doubleh (vector float);
   vector double vec_doublel (vector signed int);
   vector double vec_doublel (vector unsigned int);
   vector double vec_doublel (vector float);
   vector double vec_doubleo (vector signed int);
   vector double vec_doubleo (vector unsigned int);
   vector double vec_doubleo (vector float);.
   * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
   DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
   UNS_DOUBLEL.
   * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
   unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
   unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
   VS_sxwsp.
   * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
   vec_doublel, vec_doubleh.
   * doc/extend.texi: Update the built-in documentation file for the
   new built-in functions.

2017-06-02  Carl Love  <cel@us.ibm.com>

gcc/testsuite/ChangeLog:

   * gcc.target/powerpc/builtins-3-runnable.c: New file of runnable tests
   for the new built-ins.

From-SVN: r248846