	Fixing membcast routine with the nontrivial i_gp_reg_idx parameter. 	Before it only worked when this value wasn't used
	Fixing membcast routine with the nontrivial i_gp_reg_idx parameter.
	Before it only worked when this value wasn't used

hfp/libxsmm,maxhutch/libxsmm,maxhutch/libxsmm,hfp/libxsmm,hfp/libxsmm,egeor/libxsmm,egeor/libxsmm,hfp/libxsmm,hfp/libxsmm,egeor/libxsmm,maxhutch/libxsmm,maxhutch/libxsmm,hfp/libxsmm,egeor/libxsmm,egeor/libxsmm,egeor/libxsmm