re PR target/84422 (ICE on various builtin test functions when compiled with -mcpu...

re PR target/84422 (ICE on various builtin test functions when compiled with -mcpu=power7)

gcc/ChangeLog:

2018-03-14  Carl Love  <cel@us.ibm.com>

	PR target/84422
	* config/rs6000/rs6000-builtin.def: Change expansion for
	VMULESW to BU_P8V_AV_2.
	Change expansion for VMULEUW to BU_P8V_AV_2.
	* config/rs6000/rs6000.c: Change
	ALTIVEC_BUILTIN_VMULESW to P8V_BUILTIN_VMULESW.
	Change ALTIVEC_BUILTIN_VMULEUW to P8V_BUILTIN_VMULEUW.
	Change ALTIVEC_BUILTIN_VMULOSW to P8V_BUILTIN_VMULOSW.
	Change ALTIVEC_BUILTIN_VMULOUW to P8V_BUILTIN_VMULOUW.
	* config/rs6000/rs6000-c.c: Change
	ALTIVEC_BUILTIN_VMULESW to P8V_BUILTIN_VMULESW.
	Change ALTIVEC_BUILTIN_VMULEUW to P8V_BUILTIN_VMULEUW.
	Change ALTIVEC_BUILTIN_VMULOSW to P8V_BUILTIN_VMULOSW.
	Change ALTIVEC_BUILTIN_VMULOUW to P8V_BUILTIN_VMULOUW.

From-SVN: r258539