* config/sparc/sparc.c (sparc_override_options): If not

	* config/sparc/sparc.c (sparc_override_options): If not
	TARGET_FPU, turn off TARGET_VIS.
	* config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
	(LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
	* config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
	(movdi_insn_sp64): Add VIS fzero alternative.
	(clear_sf, clear_df): New VIS patterns.
	(movsf, movdf expanders): Allow fp_zero_operand flat out when
	TARGET_VIS.
	(one_cmpldi2_sp64): Provide new fnot1 VIS alternative.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@21996 138bc75d-0d04-0410-961f-82ee72b054a4