mips.c (mips_output_mi_thunk): Use mips_function_ok_for_sibcall and...

mips.c (mips_output_mi_thunk): Use mips_function_ok_for_sibcall and const_call_insn_operand to determine if...

gcc/
	* config/mips/mips.c (mips_output_mi_thunk): Use
	mips_function_ok_for_sibcall and const_call_insn_operand
	to determine if a direct sibcall is allowed.  Use
	mips_classify_symbol to determine a global pointer is needed.

From-SVN: r128560