re PR target/80098 (ICE in curr_insn_transform, at lra-constraints.c:3816 on ppc64le)

re PR target/80098 (ICE in curr_insn_transform, at lra-constraints.c:3816 on ppc64le)

[gcc]
2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80098
	* config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
	masks of options that should be turned off if the VSX vector
	options are turned off.
	(OTHER_P8_VECTOR_MASKS): Likewise.
	(OTHER_VSX_VECTOR_MASKS): Likewise.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Call
	rs6000_disable_incompatible_switches to validate no type switches
	like -mvsx.
	(rs6000_incompatible_switch): New function to disallow turning on
	other vector options if -mno-vsx, -mno-power8-vector, or
	-mno-power9-vector are specified.

[gcc/testsuite]
2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80098
	* gcc.target/powerpc/pr80098-1.c: New test.
	* gcc.target/powerpc/pr80098-2.c: Likewise.
	* gcc.target/powerpc/pr80098-3.c: Likewise.
	* gcc.target/powerpc/pr80098-4.c: Likewise.

From-SVN: r246930