//===- 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_unop: SDTypeProfile<1, 1, [
SDTCisVT<0, v16i8>, SDTCisSameAs<0, 1>]>;
def SPUv16i8_binop: SDTypeProfile<1, 2, [
SDTCisVT<0, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>;
// Binary v8i16 operator type constraints:
def SPUv8i16_unop: SDTypeProfile<1, 1, [
SDTCisVT<0, v8i16>, SDTCisSameAs<0, 1>]>;
def SPUv8i16_binop: SDTypeProfile<1, 2, [
SDTCisVT<0, v8i16>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>;
// Binary v4i32 operator type constraints:
def SPUv4i32_unop: SDTypeProfile<1, 1, [
SDTCisVT<0, v4i32>, SDTCisSameAs<0, 1>]>;
def SPUv4i32_binop: SDTypeProfile<1, 2, [
SDTCisVT<0, v4i32>, SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>]>;
// FSMBI type constraints: There are several variations for the various
// vector types (this avoids having to bit_convert all over the place.)
def SPUfsmbi_type: SDTypeProfile<1, 1, [
/* SDTCisVT<1, i32> */ 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
//===----------------------------------------------------------------------===//
// SPU CNTB:
def SPUcntb_v16i8: SDNode<"SPUISD::CNTB", SPUv16i8_unop, []>;
def SPUcntb_v8i16: SDNode<"SPUISD::CNTB", SPUv8i16_unop, []>;
def SPUcntb_v4i32: SDNode<"SPUISD::CNTB", SPUv4i32_unop, []>;
// 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, []>;
def SPUrotbytes_left: SDNode<"SPUISD::ROTBYTES_LEFT",
SPUvecshift_type, []>;
def SPUrotbytes_left_chained : SDNode<"SPUISD::ROTBYTES_LEFT_CHAINED",
SPUvecshift_type, [SDNPHasChain]>;
// SPU form select mask for bytes, immediate
def SPUfsmbi: SDNode<"SPUISD::FSMBI", SPUfsmbi_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 C> {
string Constraints = C;
}
class NoEncode<string E> {
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]>;