altivec.h (vec_xst_be): New #define.

altivec.h (vec_xst_be): New #define.

[gcc]

2017-11-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_xst_be): New #define.
	* config/rs6000/altivec.md (altivec_vperm_<mode>_direct): Rename
	and externalize from *altivec_vperm_<mode>_internal.
	* config/rs6000/rs6000-builtin.def (XL_BE_V16QI): Remove macro
	instantiation.
	(XL_BE_V8HI): Likewise.
	(XL_BE_V4SI): Likewise.
	(XL_BE_V4SI): Likewise.
	(XL_BE_V2DI): Likewise.
	(XL_BE_V4SF): Likewise.
	(XL_BE_V2DF): Likewise.
	(XST_BE): Add BU_VSX_OVERLOAD_X macro instantiation.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Correct
	all array entries with these keys: VSX_BUILTIN_VEC_XL,
	VSX_BUILTIN_VEC_XL_BE, VSX_BUILTIN_VEC_XST.  Add entries for key
	VSX_BUILTIN_VEC_XST_BE.
	* config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Remove.
	(altivec_expand_builtin): Remove handling for VSX_BUILTIN_XL_BE_*
	built-ins.
	(altivec_init_builtins): Replace conditional calls to def_builtin
	for __builtin_vsx_ld_elemrev_{v8hi,v16qi} and
	__builtin_vsx_st_elemrev_{v8hi,v16qi} based on TARGET_P9_VECTOR
	with unconditional calls.  Remove calls to def_builtin for
	__builtin_vsx_le_be_<mode>.  Add a call to def_builtin for
	__builtin_vec_xst_be.
	* config/rs6000/vsx.md (vsx_ld_elemrev_v8hi): Convert define_insn
	to define_expand, and add alternate RTL generation for P8.
	(*vsx_ld_elemrev_v8hi_internal): New define_insn based on
	vsx_ld_elemrev_v8hi.
	(vsx_ld_elemrev_v16qi): Convert define_insn to define_expand, and
	add alternate RTL generation for P8.
	(*vsx_ld_elemrev_v16qi_internal): New define_insn based on
	vsx_ld_elemrev_v16qi.
	(vsx_st_elemrev_v8hi): Convert define_insn
	to define_expand, and add alternate RTL generation for P8.
	(*vsx_st_elemrev_v8hi_internal): New define_insn based on
	vsx_st_elemrev_v8hi.
	(vsx_st_elemrev_v16qi): Convert define_insn to define_expand, and
	add alternate RTL generation for P8.
	(*vsx_st_elemrev_v16qi_internal): New define_insn based on
	vsx_st_elemrev_v16qi.

[gcc/testsuite]

2017-11-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/swaps-p8-26.c: Modify expected code
	generation.

From-SVN: r254787