re PR target/80099 (ICE in rs6000_expand_vector_extract, at config/rs6000/rs6000.c:7450)

[gcc]
2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80099
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
	unneeded test for TARGET_UPPER_REGS_SF.
	* config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.

[gcc/testsuite]
2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80099
	* gcc.target/powerpc/pr80099-1.c: New test.
	* gcc.target/powerpc/pr80099-2.c: Likewise.
	* gcc.target/powerpc/pr80099-3.c: Likewise.
	* gcc.target/powerpc/pr80099-4.c: Likewise.
	* gcc.target/powerpc/pr80099-5.c: Likewise.

From-SVN: r246972