* config/mips/mips16.S (CE_STARTFN, CE_ENDFN): New macros.
	(RET_FUNCTION): Use them in place of STARTFN and ENDFN.
	(CALL_STUB_NO_RET): Likewise.
	(CALL_STUB_RET): Likewise.
	* config/mips/libgcc-mips16.ver: Remove __mips16_call_stub and
	__mips16_ret call/return stub symbols.
	* config.host <mips*-*-linux>: For non-R5900 add t-slibgcc-libgcc
	to tmake_file.

Co-Authored-By: Catherine Moore <clm@codesourcery.com>
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>

From-SVN: r201805