rs6000.c (gimple-ssa.h): New #include.

rs6000.c (gimple-ssa.h): New #include.

[gcc]

2016-11-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (gimple-ssa.h): New #include.
	(TARGET_GIMPLE_FOLD_BUILTIN): Define as
	rs6000_gimple_fold_builtin.
	(rs6000_gimple_fold_builtin): New function.  Add handling for
	early expansion of vector addition builtins.

[gcc/testsuite]

2016-11-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-add-1.c: New.
	* gcc.target/powerpc/fold-vec-add-2.c: New.
	* gcc.target/powerpc/fold-vec-add-3.c: New.
	* gcc.target/powerpc/fold-vec-add-4.c: New.
	* gcc.target/powerpc/fold-vec-add-5.c: New.
	* gcc.target/powerpc/fold-vec-add-6.c: New.
	* gcc.target/powerpc/fold-vec-add-7.c: New.

From-SVN: r241857