2015-08-26 Michael Meissner <meissner@linux.vnet.ibm.com>

2015-08-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-protos.h (rs6000_expand_float128_convert):
	Add declaration.

	* config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Fix a
	comment.
	(rs6000_cannot_change_mode_class): Add support for IEEE 128-bit
	floating point in VSX registers.
	(rs6000_output_move_128bit): Always print out the set insn if we
	can't generate an appropriate 128-bit move.
	(rs6000_generate_compare): Add support for IEEE 128-bit floating
	point in VSX registers comparisons.
	(rs6000_expand_float128_convert): Likewise.

	* config/rs6000/predicates.md (int_reg_operand_not_pseudo): New
	predicate for only GPR hard registers.

	* config/rs6000/rs6000.md (FP): Add IEEE 128-bit floating point
	modes to iterators. Add new iterators for moving 128-bit values in
	scalar FPR registers and VSX registers.
	(FMOVE128): Likewise.
	(FMOVE128_FPR): Likewise.
	(FMOVE128_GPR): Likewise.
	(FMOVE128_VSX): Likewise.
	(FLOAT128_SFDFTF): New iterators for IEEE 128-bit floating point
	in VSX registers.
	(IFKF): Likewise.
	(IBM128): Likewise.
	(TFIFKF): Likewise.
	(RELOAD): Add IEEE 128-bit floating point modes.
	(signbittf2): Convert TF insns to add support for new IEEE 128-bit
	floating point in VSX registers modes.
	(signbit<mode>2, IBM128 iterator): Likewise.
	(mov<mode>_64bit_dm, FMOVE128_FPR iterator): Likewise.
	(mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
	(negtf2): Likewise.
	(neg<mode>2, TFIFKF iterator): Likewise.
	(negtf2_internal): Likewise.
	(abstf2): Likewise.
	(abs<mode>2, TFIFKF iterator): Likewise.
	(ieee_128bit_negative_zero): New IEEE 128-bit floating point in
	VSX insn support for negate, absolute value, and negative absolute
	value.
	(ieee_128bit_vsx_neg<mode>2): Likewise.
	(ieee_128bit_vsx_neg<mode>2_internal): Likewise.
	(ieee_128bit_vsx_abs<mode>2): Likewise.
	(ieee_128bit_vsx_abs<mode>2_internal): Likewise.
	(ieee_128bit_vsx_nabs<mode>2): Likewise.
	(ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
	(FP128_64): Update pack/unpack 128-bit insns for IEEE 128-bit
	floating point in VSX registers.
	(unpack<mode>_dm): Likewise.
	(unpack<mode>_nodm): Likewise.
	(pack<mode>): Likewise.
	(unpackv1ti): Likewise.
	(unpack<mode>, FMOVE128_VSX iterator): Likewise.
	(packv1ti): Likewise.
	(pack<mode>, FMOVE128_VSX iterator): Likewise.
	(extenddftf2): Add support for IEEE 128-bit floating point in VSX
	registers.
	(extenddftf2_internal): Likewise.
	(trunctfdf2): Likewise.
	(trunctfdf2_internal2): Likewise.
	(fix_trunc_helper): Likewise.
	(fix_trunctfdi2"): Likewise.
	(floatditf2): Likewise.
	(floatuns<mode>tf2): Likewise.
	(extend<FLOAT128_SFDFTF:mode><IFKF:mode>2): Likewise.
	(trunc<IFKF:mode><FLOAT128_SFDFTF:mode>2): Likewise.
	(fix_trunc<IFKF:mode><SDI:mode>2): Likewise.
	(fixuns_trunc<IFKF:mode><SDI:mode>2): Likewise.
	(float<SDI:mode><IFKF:mode>2): Likewise.
	(floatuns<SDI:mode><IFKF:mode>2): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227230 138bc75d-0d04-0410-961f-82ee72b054a4