re PR target/84912 (__builtin_divde* produce Internal Compiler Error when compiled...

re PR target/84912 (__builtin_divde* produce Internal Compiler Error when compiled -m32)

gcc/
	PR target/84912
	* config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion.
	(DIVWEUO): Likewise.
	(DIVDEO): Likewise.
	(DIVDEUO): Likewise.
	* config/rs6000/rs6000.c (builtin_function_type): Remove support for
	DIVWEUO and DIVDEUO.
	* config/rs6000/rs6000.md (UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs.
	(UNSPEC_DIV_EXTEND): Remove deleted unspecs.
	(div_extend): Likewise.
	* doc/extend.texi (__builtin_divweo): Remove documention for deleted
	builtin function.
	(__builtin_divweuo): Likewise.
	(__builtin_divdeo): Likewise.
	(__builtin_divdeuo): Likewise.

gcc/testsuite/
	PR target/84912
	* gcc.target/powerpc/extend-divide-1.c (div_weo): Remove test for
	deleted builtin function.
	(div_weuo): Likewise.
	* gcc.target/powerpc/extend-divide-2.c (div_deo): Likewise.
	(div_deuo): Likewise.

From-SVN: r258933