//===- SPUNodes.td - Specialized SelectionDAG nodes used for CellSPU ------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // Type profiles and SelectionDAG nodes used by CellSPU // //===----------------------------------------------------------------------===// // Type profile for a call sequence def SDT_SPUCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>; // SPU_GenControl: Type profile for generating control words for insertions def SPU_GenControl : SDTypeProfile<1, 1, []>; def SPUvecinsmask : SDNode<"SPUISD::INSERT_MASK", SPU_GenControl, []>; def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_SPUCallSeq, [SDNPHasChain, SDNPOutFlag]>; def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_SPUCallSeq, [SDNPHasChain, SDNPOutFlag]>; //===----------------------------------------------------------------------===// // Operand constraints: //===----------------------------------------------------------------------===// def SDT_SPUCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>; def SPUcall : SDNode<"SPUISD::CALL", SDT_SPUCall, [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; // Operand type constraints for vector shuffle/permute operations def SDT_SPUshuffle : SDTypeProfile<1, 3, [ SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2> ]>; // Unary, binary v16i8 operator type constraints: def SPUv16i8_binop: SDTypeProfile<1, 2, [ SDTCisVT<0, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>; // Binary v8i16 operator type constraints: def SPUv8i16_binop: SDTypeProfile<1, 2, [ SDTCisVT<0, v8i16>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>; // Binary v4i32 operator type constraints: def SPUv4i32_binop: SDTypeProfile<1, 2, [ SDTCisVT<0, v4i32>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>; // Trinary operators, e.g., addx, carry generate def SPUIntTrinaryOp : SDTypeProfile<1, 3, [ SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisInt<0> ]>; // SELECT_MASK type constraints: There are several variations for the various // vector types (this avoids having to bit_convert all over the place.) def SPUselmask_type: SDTypeProfile<1, 1, [ SDTCisInt<1> ]>; // SELB type constraints: def SPUselb_type: SDTypeProfile<1, 3, [ SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisSameAs<0, 3> ]>; // SPU Vector shift pseudo-instruction type constraints def SPUvecshift_type: SDTypeProfile<1, 2, [ SDTCisSameAs<0, 1>, SDTCisInt<2>]>; //===----------------------------------------------------------------------===// // Synthetic/pseudo-instructions //===----------------------------------------------------------------------===// /// Add extended, carry generate: def SPUaddx : SDNode<"SPUISD::ADD_EXTENDED", SPUIntTrinaryOp, []>; def SPUcarry_gen : SDNode<"SPUISD::CARRY_GENERATE", SDTIntBinOp, []>; // Subtract extended, borrow generate def SPUsubx : SDNode<"SPUISD::SUB_EXTENDED", SPUIntTrinaryOp, []>; def SPUborrow_gen : SDNode<"SPUISD::BORROW_GENERATE", SDTIntBinOp, []>; // SPU CNTB: def SPUcntb : SDNode<"SPUISD::CNTB", SDTIntUnaryOp>; // SPU vector shuffle node, matched by the SPUISD::SHUFB enum (see // SPUISelLowering.h): def SPUshuffle: SDNode<"SPUISD::SHUFB", SDT_SPUshuffle, []>; // SPU 16-bit multiply def SPUmpy_v16i8: SDNode<"SPUISD::MPY", SPUv16i8_binop, []>; def SPUmpy_v8i16: SDNode<"SPUISD::MPY", SPUv8i16_binop, []>; def SPUmpy_v4i32: SDNode<"SPUISD::MPY", SPUv4i32_binop, []>; // SPU multiply unsigned, used in instruction lowering for v4i32 // multiplies: def SPUmpyu_v4i32: SDNode<"SPUISD::MPYU", SPUv4i32_binop, []>; def SPUmpyu_i32: SDNode<"SPUISD::MPYU", SDTIntBinOp, []>; // SPU 16-bit multiply high x low, shift result 16-bits // Used to compute intermediate products for 32-bit multiplies def SPUmpyh_v4i32: SDNode<"SPUISD::MPYH", SPUv4i32_binop, []>; def SPUmpyh_i32: SDNode<"SPUISD::MPYH", SDTIntBinOp, []>; // SPU 16-bit multiply high x high, 32-bit product // Used to compute intermediate products for 16-bit multiplies def SPUmpyhh_v8i16: SDNode<"SPUISD::MPYHH", SPUv8i16_binop, []>; // Shift left quadword by bits and bytes def SPUshlquad_l_bits: SDNode<"SPUISD::SHLQUAD_L_BITS", SPUvecshift_type, []>; def SPUshlquad_l_bytes: SDNode<"SPUISD::SHLQUAD_L_BYTES", SPUvecshift_type, []>; // Vector shifts (ISD::SHL,SRL,SRA are for _integers_ only): def SPUvec_shl: SDNode<"SPUISD::VEC_SHL", SPUvecshift_type, []>; def SPUvec_srl: SDNode<"SPUISD::VEC_SRL", SPUvecshift_type, []>; def SPUvec_sra: SDNode<"SPUISD::VEC_SRA", SPUvecshift_type, []>; def SPUvec_rotl: SDNode<"SPUISD::VEC_ROTL", SPUvecshift_type, []>; def SPUvec_rotr: SDNode<"SPUISD::VEC_ROTR", SPUvecshift_type, []>; def SPUrotquad_rz_bytes: SDNode<"SPUISD::ROTQUAD_RZ_BYTES", SPUvecshift_type, []>; def SPUrotquad_rz_bits: SDNode<"SPUISD::ROTQUAD_RZ_BITS", SPUvecshift_type, []>; def SPUrotbytes_right_sfill: SDNode<"SPUISD::ROTBYTES_RIGHT_S", SPUvecshift_type, []>; // Vector rotate left, bits shifted out of the left are rotated in on the right def SPUrotbytes_left: SDNode<"SPUISD::ROTBYTES_LEFT", SPUvecshift_type, []>; // Same as above, but the node also has a chain associated (used in loads and // stores) def SPUrotbytes_left_chained : SDNode<"SPUISD::ROTBYTES_LEFT_CHAINED", SPUvecshift_type, [SDNPHasChain]>; // Vector rotate left by bytes, but the count is given in bits and the SPU // internally converts it to bytes (saves an instruction to mask off lower // three bits) def SPUrotbytes_left_bits : SDNode<"SPUISD::ROTBYTES_LEFT_BITS", SPUvecshift_type>; // SPU form select mask for bytes, immediate def SPUselmask: SDNode<"SPUISD::SELECT_MASK", SPUselmask_type, []>; // SPU select bits instruction def SPUselb: SDNode<"SPUISD::SELB", SPUselb_type, []>; // SPU floating point interpolate def SPUinterpolate : SDNode<"SPUISD::FPInterp", SDTFPBinOp, []>; // SPU floating point reciprocal estimate (used for fdiv) def SPUreciprocalEst: SDNode<"SPUISD::FPRecipEst", SDTFPUnaryOp, []>; def SDTpromote_scalar: SDTypeProfile<1, 1, []>; def SPUpromote_scalar: SDNode<"SPUISD::PROMOTE_SCALAR", SDTpromote_scalar, []>; def SPU_vec_demote : SDTypeProfile<1, 1, []>; def SPUextract_elt0: SDNode<"SPUISD::EXTRACT_ELT0", SPU_vec_demote, []>; def SPU_vec_demote_chained : SDTypeProfile<1, 2, []>; def SPUextract_elt0_chained: SDNode<"SPUISD::EXTRACT_ELT0_CHAINED", SPU_vec_demote_chained, [SDNPHasChain]>; def SPUextract_i1_sext: SDNode<"SPUISD::EXTRACT_I1_SEXT", SPU_vec_demote, []>; def SPUextract_i1_zext: SDNode<"SPUISD::EXTRACT_I1_ZEXT", SPU_vec_demote, []>; def SPUextract_i8_sext: SDNode<"SPUISD::EXTRACT_I8_SEXT", SPU_vec_demote, []>; def SPUextract_i8_zext: SDNode<"SPUISD::EXTRACT_I8_ZEXT", SPU_vec_demote, []>; // Address high and low components, used for [r+r] type addressing def SPUhi : SDNode<"SPUISD::Hi", SDTIntBinOp, []>; def SPUlo : SDNode<"SPUISD::Lo", SDTIntBinOp, []>; // PC-relative address def SPUpcrel : SDNode<"SPUISD::PCRelAddr", SDTIntBinOp, []>; // A-Form local store addresses def SPUaform : SDNode<"SPUISD::AFormAddr", SDTIntBinOp, []>; // Indirect [D-Form "imm($reg)" and X-Form "$reg($reg)"] addresses def SPUindirect : SDNode<"SPUISD::IndirectAddr", SDTIntBinOp, []>; // SPU 32-bit sign-extension to 64-bits def SPUsext32_to_64: SDNode<"SPUISD::SEXT32TO64", SDTIntExtendOp, []>; // Branches: def SPUbrnz : SDNode<"SPUISD::BR_NOTZERO", SDTBrcond, [SDNPHasChain]>; def SPUbrz : SDNode<"SPUISD::BR_ZERO", SDTBrcond, [SDNPHasChain]>; /* def SPUbinz : SDNode<"SPUISD::BR_NOTZERO", SDTBrind, [SDNPHasChain]>; def SPUbiz : SDNode<"SPUISD::BR_ZERO", SPUBrind, [SDNPHasChain]>; */ //===----------------------------------------------------------------------===// // Constraints: (taken from PPCInstrInfo.td) //===----------------------------------------------------------------------===// class RegConstraint { string Constraints = C; } class NoEncode { string DisableEncoding = E; } //===----------------------------------------------------------------------===// // Return (flag isn't quite what it means: the operations are flagged so that // instruction scheduling doesn't disassociate them.) //===----------------------------------------------------------------------===// def retflag : SDNode<"SPUISD::RET_FLAG", SDTNone, [SDNPHasChain, SDNPOptInFlag]>;