re PR target/64617 (ICE: Max. number of generated reload insns per insn is achieved...

re PR target/64617 (ICE: Max. number of generated reload insns per insn is achieved (90) with -ftree-vectorize -mavx512bw -march=slm)

2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/64617
	* lra-constraints.c (prohibited_class_reg_set_mode_p): New
	function.
	(process_alt_operands): Use it.
	(curr_insn_transform): Check the optional reload pseudo class is
	ok for the mode.

2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/64617
	* gcc.target/i386/pr64617.c: New test.

From-SVN: r220294