r208758 - in /branches/ibm/gcc-4_8-branch: gcc/...

[bergner@gcc.gnu.org]

Author: bergner
Date: Fri Mar 21 22:15:15 2014
New Revision: 208758

URL: http://gcc.gnu.org/viewcvs?rev=208758&root=gcc&view=rev
Log:
	Add long double builtins.  This is not intended for mainline or
	the FSF 4.8 branch.

libgcc/
	* config/rs6000/ibm-ldouble.c (pack_ldouble): New function.
	(__gcc_qadd): Use it.
	(__gcc_qmul): Likewise.
	(__gcc_qdiv): Likewise.
	(__gcc_qneg): Likewise.
	(__gcc_stoq): Likewise.
	(__gcc_dtoq): Likewise.

gcc/
	* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_LONGDOUBLE_DW0): Add
	new long double builtin.
	(RS6000_BUILTIN_LONGDOUBLE_DW1): Likewise.
	(RS6000_BUILTIN_PACK_LONGDOUBLE): Likewise.
	* config/rs6000/rs6000.c (rs6000_expand_builtin): Add builtins
	__builtin_longdouble_dw0, __builtin_longdouble_dw1 and
	__builtin_pack_longdouble.
	(rs6000_init_builtins): Likewise.
	* config/rs6000/rs6000.md (unspec): Add unspecs UNSPEC_LONGDOUBLE_DW0,
	UNSPEC_LONGDOUBLE_DW1 and UNSPEC_PACK_LONGDOUBLE.
	(longdouble_dw0): New define_insn_and_split.
	(longdouble_dw1): New define_insn.
	(pack_longdouble): Likewise.

Modified:
    branches/ibm/gcc-4_8-branch/gcc/ChangeLog.ibm
    branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000-builtin.def
    branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.c
    branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.md
    branches/ibm/gcc-4_8-branch/libgcc/ChangeLog.ibm
    branches/ibm/gcc-4_8-branch/libgcc/config/rs6000/ibm-ldouble.c