rs6000, restrict bfloat convert intrinsic to Power 10. Fix BU_P10V macro definitions.

rs6000, restrict bfloat convert intrinsic to Power 10. Fix BU_P10V macro definitions.

gcc/ChangeLog

	    2020-08-19  Carl Love  <cel@us.ibm.com>
	* config/rs6000/rs6000-builtin.def (BU_P10V_0, BU_P10V_1,
	BU_P10V_2, BU_P10V_3): Rename BU_P10V_VSX_0, BU_P10V_VSX_1,
	BU_P10V_VSX_2, BU_P10V_VSX_3 respectively.
	(BU_P10V_4): Remove.
	(BU_P10V_AV_0, BU_P10V_AV_1, BU_P10V_AV_2, BU_P10V_AV_3, BU_P10V_AV_4):
	New definitions for Power 10 Altivec macros.
	(VSTRIBR, VSTRIHR, VSTRIBL, VSTRIHL, VSTRIBR_P, VSTRIHR_P,
	VSTRIBL_P, VSTRIHL_P, MTVSRBM, MTVSRHM, MTVSRWM, MTVSRDM, MTVSRQM,
	VEXPANDMB, VEXPANDMH, VEXPANDMW, VEXPANDMD, VEXPANDMQ, VEXTRACTMB,
	VEXTRACTMH, VEXTRACTMW, VEXTRACTMD, VEXTRACTMQ): Replace macro
	expansion BU_P10V_1 with BU_P10V_AV_1.
	(VCLRLB, VCLRRB, VCFUGED, VCLZDM, VCTZDM, VPDEPD, VPEXTD, VGNB,
	VCNTMBB, VCNTMBH, VCNTMBW, VCNTMBD): Replace macro expansion
	BU_P10V_2 with	BU_P10V_AV_2.
	(VEXTRACTBL, VEXTRACTHL, VEXTRACTWL, VEXTRACTDL, VEXTRACTBR, VEXTRACTHR,
	VEXTRACTWR, VEXTRACTDR, VINSERTGPRBL, VINSERTGPRHL, VINSERTGPRWL,
	VINSERTGPRDL, VINSERTVPRBL, VINSERTVPRHL, VINSERTVPRWL, VINSERTGPRBR,
	VINSERTGPRHR, VINSERTGPRWR, VINSERTGPRDR, VINSERTVPRBR, VINSERTVPRHR,
	VINSERTVPRWR, VREPLACE_ELT_V4SI, VREPLACE_ELT_UV4SI, VREPLACE_ELT_V2DF,
	VREPLACE_ELT_V4SF, VREPLACE_ELT_V2DI, VREPLACE_ELT_UV2DI, VREPLACE_UN_V4SI,
	VREPLACE_UN_UV4SI, VREPLACE_UN_V4SF, VREPLACE_UN_V2DI, VREPLACE_UN_UV2DI,
	VREPLACE_UN_V2DF, VSLDB_V16QI, VSLDB_V8HI, VSLDB_V4SI, VSLDB_V2DI,
	VSRDB_V16QI, VSRDB_V8HI, VSRDB_V4SI, VSRDB_V2DI): Replace macro expansion
	BU_P10V_3 with BU_P10V_AV_3.
	(VXXSPLTIW_V4SI, VXXSPLTIW_V4SF, VXXSPLTID): Replace macro expansion
	BU_P10V_1 with BU_P10V_AV_1.
	(XXGENPCVM_V16QI, XXGENPCVM_V8HI, XXGENPCVM_V4SI, XXGENPCVM_V2DI):
	Replace macro expansion BU_P10V_2 with BU_P10V_VSX_2.
	(VXXSPLTI32DX_V4SI, VXXSPLTI32DX_V4SF, VXXBLEND_V16QI, VXXBLEND_V8HI,
	VXXBLEND_V4SI, VXXBLEND_V2DI, VXXBLEND_V4SF, VXXBLEND_V2DF): Replace macor
	expansion BU_P10V_3 with BU_P10V_VSX_3.
	(XXEVAL, VXXPERMX): Replace macro expansion BU_P10V_4 with BU_P10V_VSX_4.
	(XVCVBF16SP, XVCVSPBF16): Replace macro expansion BU_VSX_1 with
	BU_P10V_VSX_1. Also change MISC to CONST.
	* config/rs6000/rs6000-c.c: (P10_BUILTIN_VXXPERMX): Replace with
	P10V_BUILTIN_VXXPERMX.
	(P10_BUILTIN_VCLRLB, P10_BUILTIN_VCLRLB, P10_BUILTIN_VCLRRB,
	P10_BUILTIN_VGNB, P10_BUILTIN_XXEVAL, P10_BUILTIN_VXXPERMX,
	P10_BUILTIN_VEXTRACTBL, P10_BUILTIN_VEXTRACTHL, P10_BUILTIN_VEXTRACTWL,
	P10_BUILTIN_VEXTRACTDL, P10_BUILTIN_VINSERTGPRHL,
	P10_BUILTIN_VINSERTGPRWL, P10_BUILTIN_VINSERTGPRDL,
	P10_BUILTIN_VINSERTVPRBL, P10_BUILTIN_VINSERTVPRHL,
	P10_BUILTIN_VEXTRACTBR, P10_BUILTIN_VEXTRACTHR,
	P10_BUILTIN_VEXTRACTWR, P10_BUILTIN_VEXTRACTDR,
	P10_BUILTIN_VINSERTGPRBR, P10_BUILTIN_VINSERTGPRHR,
	P10_BUILTIN_VINSERTGPRWR, P10_BUILTIN_VINSERTGPRDR,
	P10_BUILTIN_VINSERTVPRBR, P10_BUILTIN_VINSERTVPRHR,
	P10_BUILTIN_VINSERTVPRWR, P10_BUILTIN_VREPLACE_ELT_UV4SI,
	P10_BUILTIN_VREPLACE_ELT_V4SI, P10_BUILTIN_VREPLACE_ELT_UV2DI,
	P10_BUILTIN_VREPLACE_ELT_V2DI, P10_BUILTIN_VREPLACE_ELT_V2DF,
	P10_BUILTIN_VREPLACE_UN_UV4SI, P10_BUILTIN_VREPLACE_UN_V4SI,
	P10_BUILTIN_VREPLACE_UN_V4SF, P10_BUILTIN_VREPLACE_UN_UV2DI,
	P10_BUILTIN_VREPLACE_UN_V2DI, P10_BUILTIN_VREPLACE_UN_V2DF,
	P10_BUILTIN_VSLDB_V16QI, P10_BUILTIN_VSLDB_V16QI,
	P10_BUILTIN_VSLDB_V8HI, P10_BUILTIN_VSLDB_V4SI,
	P10_BUILTIN_VSLDB_V2DI, P10_BUILTIN_VXXSPLTIW_V4SI,
	P10_BUILTIN_VXXSPLTIW_V4SF, P10_BUILTIN_VXXSPLTID,
	P10_BUILTIN_VXXSPLTI32DX_V4SI, P10_BUILTIN_VXXSPLTI32DX_V4SF,
	P10_BUILTIN_VXXBLEND_V16QI, P10_BUILTIN_VXXBLEND_V8HI,
	P10_BUILTIN_VXXBLEND_V4SI, P10_BUILTIN_VXXBLEND_V2DI,
	P10_BUILTIN_VXXBLEND_V4SF, P10_BUILTIN_VXXBLEND_V2DF,
	P10_BUILTIN_VSRDB_V16QI, P10_BUILTIN_VSRDB_V8HI,
	P10_BUILTIN_VSRDB_V4SI, P10_BUILTIN_VSRDB_V2DI,
	P10_BUILTIN_VSTRIBL, P10_BUILTIN_VSTRIHL,
	P10_BUILTIN_VSTRIBL_P, P10_BUILTIN_VSTRIHL_P,
	P10_BUILTIN_VSTRIBR, P10_BUILTIN_VSTRIHR,
	P10_BUILTIN_VSTRIBR_P, P10_BUILTIN_VSTRIHR_P,
	P10_BUILTIN_MTVSRBM, P10_BUILTIN_MTVSRHM,
	P10_BUILTIN_MTVSRWM, P10_BUILTIN_MTVSRDM,
	P10_BUILTIN_MTVSRQM, P10_BUILTIN_VCNTMBB,
	P10_BUILTIN_VCNTMBH, P10_BUILTIN_VCNTMBW,
	P10_BUILTIN_VCNTMBD, P10_BUILTIN_VEXPANDMB,
	P10_BUILTIN_VEXPANDMH, P10_BUILTIN_VEXPANDMW,
	P10_BUILTIN_VEXPANDMD, P10_BUILTIN_VEXPANDMQ,
	P10_BUILTIN_VEXTRACTMB, P10_BUILTIN_VEXTRACTMH,
	P10_BUILTIN_VEXTRACTMW, P10_BUILTIN_VEXTRACTMD,
	P10_BUILTIN_VEXTRACTMQ, P10_BUILTIN_XVTLSBB_ZEROS,
	P10_BUILTIN_XVTLSBB_ONES): Replace with
	P10V_BUILTIN_VCLRLB, P10V_BUILTIN_VCLRLB, P10V_BUILTIN_VCLRRB,
	P10V_BUILTIN_VGNB, P10V_BUILTIN_XXEVAL, P10V_BUILTIN_VXXPERMX,
	P10V_BUILTIN_VEXTRACTBL, P10V_BUILTIN_VEXTRACTHL, P10V_BUILTIN_VEXTRACTWL,
	P10V_BUILTIN_VEXTRACTDL, P10V_BUILTIN_VINSERTGPRHL,
	P10V_BUILTIN_VINSERTGPRWL, P10V_BUILTIN_VINSERTGPRDL,
	P10V_BUILTIN_VINSERTVPRBL,P10V_BUILTIN_VINSERTVPRHL,
	P10V_BUILTIN_VEXTRACTBR, P10V_BUILTIN_VEXTRACTHR
	P10V_BUILTIN_VEXTRACTWR, P10V_BUILTIN_VEXTRACTDR,
	P10V_BUILTIN_VINSERTGPRBR, P10V_BUILTIN_VINSERTGPRHR,
	P10V_BUILTIN_VINSERTGPRWR, P10V_BUILTIN_VINSERTGPRDR,
	P10V_BUILTIN_VINSERTVPRBR, P10V_BUILTIN_VINSERTVPRHR,
	P10V_BUILTIN_VINSERTVPRWR, P10V_BUILTIN_VREPLACE_ELT_UV4SI,
	P10V_BUILTIN_VREPLACE_ELT_V4SI, P10V_BUILTIN_VREPLACE_ELT_UV2DI,
	P10V_BUILTIN_VREPLACE_ELT_V2DI, P10V_BUILTIN_VREPLACE_ELT_V2DF,
	P10V_BUILTIN_VREPLACE_UN_UV4SI, P10V_BUILTIN_VREPLACE_UN_V4SI,
	P10V_BUILTIN_VREPLACE_UN_V4SF, P10V_BUILTIN_VREPLACE_UN_UV2DI,
	P10V_BUILTIN_VREPLACE_UN_V2DI, P10V_BUILTIN_VREPLACE_UN_V2DF,
	P10V_BUILTIN_VSLDB_V16QI, P10V_BUILTIN_VSLDB_V16QI,
	P10V_BUILTIN_VSLDB_V8HI, P10V_BUILTIN_VSLDB_V4SI,
	P10V_BUILTIN_VSLDB_V2DI, P10V_BUILTIN_VXXSPLTIW_V4SI,
	P10V_BUILTIN_VXXSPLTIW_V4SF, P10V_BUILTIN_VXXSPLTID,
	P10V_BUILTIN_VXXSPLTI32DX_V4SI, P10V_BUILTIN_VXXSPLTI32DX_V4SF,
	P10V_BUILTIN_VXXBLEND_V16QI, P10V_BUILTIN_VXXBLEND_V8HI,
	P10V_BUILTIN_VXXBLEND_V4SI, P10V_BUILTIN_VXXBLEND_V2DI,
	P10V_BUILTIN_VXXBLEND_V4SF, P10V_BUILTIN_VXXBLEND_V2DF,
	P10V_BUILTIN_VSRDB_V16QI, P10V_BUILTIN_VSRDB_V8HI,
	P10V_BUILTIN_VSRDB_V4SI, P10V_BUILTIN_VSRDB_V2DI,
	P10V_BUILTIN_VSTRIBL, P10V_BUILTIN_VSTRIHL,
	P10V_BUILTIN_VSTRIBL_P, P10V_BUILTIN_VSTRIHL_P,
	P10V_BUILTIN_VSTRIBR, P10V_BUILTIN_VSTRIHR,
	P10V_BUILTIN_VSTRIBR_P, P10V_BUILTIN_VSTRIHR_P,
	P10V_BUILTIN_MTVSRBM, P10V_BUILTIN_MTVSRHM,
	P10V_BUILTIN_MTVSRWM, P10V_BUILTIN_MTVSRDM,
	P10V_BUILTIN_MTVSRQM, P10V_BUILTIN_VCNTMBB,
	P10V_BUILTIN_VCNTMBH, P10V_BUILTIN_VCNTMBW,
	P10V_BUILTIN_VCNTMBD, P10V_BUILTIN_VEXPANDMB,
	P10V_BUILTIN_VEXPANDMH, P10V_BUILTIN_VEXPANDMW,
	P10V_BUILTIN_VEXPANDMD, P10V_BUILTIN_VEXPANDMQ,
	P10V_BUILTIN_VEXTRACTMB, P10V_BUILTIN_VEXTRACTMH,
	P10V_BUILTIN_VEXTRACTMW, P10V_BUILTIN_VEXTRACTMD,
	P10V_BUILTIN_VEXTRACTMQ, P10V_BUILTIN_XVTLSBB_ZEROS,
	P10V_BUILTIN_XVTLSBB_ONES respectively.
	* config/rs6000/rs6000-call.c: Ditto above, change P10_BUILTIN_name to
	P10V_BUILTIN_name.
	(P10_BUILTIN_XVCVSPBF16, P10_BUILTIN_XVCVBF16SP): Change to
	P10V_BUILTIN_XVCVSPBF16, P10V_BUILTIN_XVCVBF16SP respectively.