path: root/lib/Target/AMDGPU/R600Instructions.td

//===-- R600Instructions.td - R600 Instruction defs  -------*- tablegen -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// R600 Tablegen instruction definitions
//
//===----------------------------------------------------------------------===//

include "R600Intrinsics.td"

class InstR600 <bits<11> inst, dag outs, dag ins, string asm, list<dag> pattern,
                InstrItinClass itin>
    : AMDGPUInst <outs, ins, asm, pattern> {

  field bits<64> Inst;
  bit Trig = 0;
  bit Op3 = 0;
  bit isVector = 0;
  bits<2> FlagOperandIdx = 0;
  bit Op1 = 0;
  bit Op2 = 0;
  bit HasNativeOperands = 0;

  bits<11> op_code = inst;
  //let Inst = inst;
  let Namespace = "AMDGPU";
  let OutOperandList = outs;
  let InOperandList = ins;
  let AsmString = asm;
  let Pattern = pattern;
  let Itinerary = itin;

  let TSFlags{4} = Trig;
  let TSFlags{5} = Op3;

  // Vector instructions are instructions that must fill all slots in an
  // instruction group
  let TSFlags{6} = isVector;
  let TSFlags{8-7} = FlagOperandIdx;
  let TSFlags{9} = HasNativeOperands;
  let TSFlags{10} = Op1;
  let TSFlags{11} = Op2;
}

class InstR600ISA <dag outs, dag ins, string asm, list<dag> pattern> :
    AMDGPUInst <outs, ins, asm, pattern>
{
  field bits<64> Inst;

  let Namespace = "AMDGPU";
}

def MEMxi : Operand<iPTR> {
  let MIOperandInfo = (ops R600_TReg32_X:$ptr, i32imm:$index);
}

def MEMrr : Operand<iPTR> {
  let MIOperandInfo = (ops R600_Reg32:$ptr, R600_Reg32:$index);
}

// Operands for non-registers

class InstFlag<string PM = "printOperand", int Default = 0>
    : OperandWithDefaultOps <i32, (ops (i32 Default))> {
  let PrintMethod = PM;
}

def LITERAL : InstFlag;

def WRITE : InstFlag <"printWrite", 1>;
def OMOD : InstFlag <"printOMOD">;
def REL : InstFlag <"printRel">;
def CLAMP : InstFlag <"printClamp">;
def NEG : InstFlag <"printNeg">;
def ABS : InstFlag <"printAbs">;

// XXX: The r600g finalizer in Mesa expects last to be one in most cases.
// Once we start using the packetizer in this backend we should have this
// default to 0.
def LAST : InstFlag<"printLast", 1>;

def ADDRParam : ComplexPattern<i32, 2, "SelectADDRParam", [], []>;
def ADDRDWord : ComplexPattern<i32, 1, "SelectADDRDWord", [], []>;
def ADDRVTX_READ : ComplexPattern<i32, 2, "SelectADDRVTX_READ", [], []>;

class R600ALU_Word0 {
  field bits<32> Word0;

  bits<11> src0;
  bits<1>  src0_neg;
  bits<1>  src0_rel;
  bits<11> src1;
  bits<1>  src1_rel;
  bits<1>  src1_neg;
  bits<3>  index_mode = 0;
  bits<2>  pred_sel;
  bits<1>  last;

  bits<9>  src0_sel  = src0{8-0};
  bits<2>  src0_chan = src0{10-9};
  bits<9>  src1_sel  = src1{8-0};
  bits<2>  src1_chan = src1{10-9};

  let Word0{8-0}   = src0_sel;
  let Word0{9}     = src0_rel;
  let Word0{11-10} = src0_chan;
  let Word0{12}    = src0_neg;
  let Word0{21-13} = src1_sel;
  let Word0{22}    = src1_rel;
  let Word0{24-23} = src1_chan;
  let Word0{25}    = src1_neg;
  let Word0{28-26} = index_mode;
  let Word0{30-29} = pred_sel;
  let Word0{31}    = last;
}

class R600ALU_Word1_OP2 <bits<11> alu_inst> {
  field bits<32> Word1;

  bits<1>  src0_abs;
  bits<1>  src1_abs;
  bits<1>  update_exec_mask = 0;
  bits<1>  update_pred = 0;
  bits<1>  write;
  bits<2>  omod;
  bits<3>  bank_swizzle = 0;
  bits<11> dst;
  bits<1>  dst_rel;
  bits<1>  clamp;

  bits<7>  dst_sel  = dst{6-0};
  bits<2>  dst_chan = dst{10-9};

  let Word1{0}     = src0_abs;
  let Word1{1}     = src1_abs;
  let Word1{2}     = update_exec_mask;
  let Word1{3}     = update_pred;
  let Word1{4}     = write;
  let Word1{6-5}   = omod;
  let Word1{17-7}  = alu_inst;
  let Word1{20-18} = bank_swizzle;
  let Word1{27-21} = dst_sel;
  let Word1{28}    = dst_rel;
  let Word1{30-29} = dst_chan;
  let Word1{31}    = clamp;
}

/*
XXX: R600 subtarget uses a slightly different encoding than the other
subtargets.  We currently handle this in R600MCCodeEmitter, but we may
want to use these instruction classes in the future.

class R600ALU_Word1_OP2_r600 : R600ALU_Word1_OP2 {

  bits<1>  fog_merge;
  bits<10> alu_inst;

  let Inst{37}    = fog_merge;
  let Inst{39-38} = omod;
  let Inst{49-40} = alu_inst;
}

class R600ALU_Word1_OP2_r700 : R600ALU_Word1_OP2 {

  bits<11> alu_inst;

  let Inst{38-37} = omod;
  let Inst{49-39} = alu_inst;
}
*/

def R600_Pred : PredicateOperand<i32, (ops R600_Predicate),
                                     (ops PRED_SEL_OFF)>;


let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {

// Class for instructions with only one source register.
// If you add new ins to this instruction, make sure they are listed before
// $literal, because the backend currently assumes that the last operand is
// a literal.  Also be sure to update the enum R600Op1OperandIndex::ROI in
// R600Defines.h, R600InstrInfo::buildDefaultInstruction(),
// and R600InstrInfo::getOperandIdx().
class R600_1OP <bits<11> inst, string opName, list<dag> pattern,
                InstrItinClass itin = AnyALU> :
    InstR600 <0,
              (outs R600_Reg32:$dst),
              (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
                   R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
                   LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
              !strconcat(opName,
                   "$clamp $dst$write$dst_rel$omod, "
                   "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
                   "$literal $pred_sel$last"),
              pattern,
              itin>,
    R600ALU_Word0,
    R600ALU_Word1_OP2 <inst> {

  let src1 = 0;
  let src1_rel = 0;
  let src1_neg = 0;
  let src1_abs = 0;
  let HasNativeOperands = 1;
  let Op1 = 1;
  let DisableEncoding = "$literal";

  let Inst{31-0}  = Word0;
  let Inst{63-32} = Word1;
}

class R600_1OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
                    InstrItinClass itin = AnyALU> :
    R600_1OP <inst, opName,
              [(set R600_Reg32:$dst, (node R600_Reg32:$src0))]
>;

// If you add our change the operands for R600_2OP instructions, you must
// also update the R600Op2OperandIndex::ROI enum in R600Defines.h,
// R600InstrInfo::buildDefaultInstruction(), and R600InstrInfo::getOperandIdx().
class R600_2OP <bits<11> inst, string opName, list<dag> pattern,
                InstrItinClass itin = AnyALU> :
  InstR600 <inst,
          (outs R600_Reg32:$dst),
          (ins WRITE:$write, OMOD:$omod, REL:$dst_rel, CLAMP:$clamp,
               R600_Reg32:$src0, NEG:$src0_neg, REL:$src0_rel, ABS:$src0_abs,
               R600_Reg32:$src1, NEG:$src1_neg, REL:$src1_rel, ABS:$src1_abs,
               LAST:$last, R600_Pred:$pred_sel, LITERAL:$literal),
          !strconcat(opName,
                "$clamp $dst$write$dst_rel$omod, "
                "$src0_neg$src0_abs$src0$src0_abs$src0_rel, "
                "$src1_neg$src1_abs$src1$src1_abs$src1_rel, "
                "$literal $pred_sel$last"),
          pattern,
          itin>,
    R600ALU_Word0,
    R600ALU_Word1_OP2 <inst> {

  let HasNativeOperands = 1;
  let Op2 = 1;
  let DisableEncoding = "$literal";

  let Inst{31-0}  = Word0;
  let Inst{63-32} = Word1;
}

class R600_2OP_Helper <bits<11> inst, string opName, SDPatternOperator node,
                       InstrItinClass itim = AnyALU> :
    R600_2OP <inst, opName,
              [(set R600_Reg32:$dst, (node R600_Reg32:$src0,
                                           R600_Reg32:$src1))]
>;

class R600_3OP <bits<11> inst, string opName, list<dag> pattern,
                InstrItinClass itin = AnyALU> :
  InstR600 <inst,
          (outs R600_Reg32:$dst),
          (ins R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2,R600_Pred:$p, variable_ops),
          !strconcat(opName, " $dst, $src0, $src1, $src2"),
          pattern,
          itin>{
    bits<7> dst;
    bits<9> src0;
    bits<9> src1;
    bits<9> src2;
    let Inst{8-0}   = src0;
    let Inst{21-13} = src1;
    let Inst{40-32} = src2;
    let Inst{49-45} = inst{4-0};
    let Inst{59-53} = dst;
    let Op3 = 1;
  }



def PRED_X : InstR600 <0, (outs R600_Predicate_Bit:$dst),
           (ins R600_Reg32:$src0, i32imm:$src1, i32imm:$flags),
           "PRED $dst, $src0, $src1",
           [], NullALU>
{
  bits<7> dst;
  bits<9> src0;
  bits<11> src1;
  let Inst{8-0}   = src0;
  let Inst{49-39} = src1;
  let Inst{59-53} = dst;
  let FlagOperandIdx = 3;
}

let isTerminator = 1, isBranch = 1, isPseudo = 1 in {
def JUMP : InstR600 <0x10,
          (outs),
          (ins brtarget:$target, R600_Pred:$p),
          "JUMP $target ($p)",
          [], AnyALU
  >;
}

class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
                      InstrItinClass itin = VecALU> :
  InstR600 <inst,
          (outs R600_Reg32:$dst),
          ins,
          asm,
          pattern,
          itin>{
    bits<7> dst;
    let Inst{49-39} = inst;
    let Inst{59-53} = dst;
  }

class R600_TEX <bits<11> inst, string opName, list<dag> pattern,
                InstrItinClass itin = AnyALU> :
  InstR600 <inst,
          (outs R600_Reg128:$dst),
          (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2),
          !strconcat(opName, "$dst, $src0, $src1, $src2"),
          pattern,
          itin>{
    let Inst {10-0} = inst;
  }

} // End mayLoad = 1, mayStore = 0, hasSideEffects = 0

def TEX_SHADOW : PatLeaf<
  (imm),
  [{uint32_t TType = (uint32_t)N->getZExtValue();
    return (TType >= 6 && TType <= 8) || TType == 11 || TType == 12;
  }]
>;

class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
                 dag ins, string asm, list<dag> pattern> :
    InstR600ISA <outs, ins, asm, pattern>
{
  bits<7>  RW_GPR;
  bits<7>  INDEX_GPR;

  bits<2>  RIM;
  bits<2>  TYPE;
  bits<1>  RW_REL;
  bits<2>  ELEM_SIZE;

  bits<12> ARRAY_SIZE;
  bits<4>  COMP_MASK;
  bits<4>  BURST_COUNT;
  bits<1>  VPM;
  bits<1>  eop;
  bits<1>  MARK;
  bits<1>  BARRIER;

  // CF_ALLOC_EXPORT_WORD0_RAT
  let Inst{3-0}   = rat_id;
  let Inst{9-4}   = rat_inst;
  let Inst{10}    = 0; // Reserved
  let Inst{12-11} = RIM;
  let Inst{14-13} = TYPE;
  let Inst{21-15} = RW_GPR;
  let Inst{22}    = RW_REL;
  let Inst{29-23} = INDEX_GPR;
  let Inst{31-30} = ELEM_SIZE;

  // CF_ALLOC_EXPORT_WORD1_BUF
  let Inst{43-32} = ARRAY_SIZE;
  let Inst{47-44} = COMP_MASK;
  let Inst{51-48} = BURST_COUNT;
  let Inst{52}    = VPM;
  let Inst{53}    = eop;
  let Inst{61-54} = cf_inst;
  let Inst{62}    = MARK;
  let Inst{63}    = BARRIER;
}

def load_param : PatFrag<(ops node:$ptr),
                         (load node:$ptr),
                          [{
                           const Value *Src = cast<LoadSDNode>(N)->getSrcValue();
                           if (Src) {
                                PointerType * PT = dyn_cast<PointerType>(Src->getType());
                                return PT && PT->getAddressSpace() == AMDGPUAS::PARAM_I_ADDRESS;
                           }
                           return false;
                          }]>;

def isR600 : Predicate<"Subtarget.device()"
                            "->getGeneration() == AMDGPUDeviceInfo::HD4XXX">;
def isR700 : Predicate<"Subtarget.device()"
                            "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&"
                            "Subtarget.device()->getDeviceFlag()"
                            ">= OCL_DEVICE_RV710">;
def isEG : Predicate<
  "Subtarget.device()->getGeneration() >= AMDGPUDeviceInfo::HD5XXX && "
  "Subtarget.device()->getGeneration() < AMDGPUDeviceInfo::HD7XXX && "
  "Subtarget.device()->getDeviceFlag() != OCL_DEVICE_CAYMAN">;

def isCayman : Predicate<"Subtarget.device()"
                            "->getDeviceFlag() == OCL_DEVICE_CAYMAN">;
def isEGorCayman : Predicate<"Subtarget.device()"
                            "->getGeneration() == AMDGPUDeviceInfo::HD5XXX"
			    "|| Subtarget.device()->getGeneration() =="
			    "AMDGPUDeviceInfo::HD6XXX">;

def isR600toCayman : Predicate<
                     "Subtarget.device()->getGeneration() <= AMDGPUDeviceInfo::HD6XXX">;

//===----------------------------------------------------------------------===//
// Interpolation Instructions
//===----------------------------------------------------------------------===//

def INTERP: SDNode<"AMDGPUISD::INTERP",
  SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisInt<1>, SDTCisInt<2>]>
  >;

def INTERP_P0: SDNode<"AMDGPUISD::INTERP_P0",
  SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisInt<1>]>
  >;

let usesCustomInserter = 1 in {
def input_perspective :  AMDGPUShaderInst <
  (outs R600_Reg128:$dst),
  (ins i32imm:$src0, i32imm:$src1),
  "input_perspective $src0 $src1 : dst",
  [(set R600_Reg128:$dst, (INTERP (i32 imm:$src0), (i32 imm:$src1)))]>;
}  // End usesCustomInserter = 1

def input_constant :  AMDGPUShaderInst <
  (outs R600_Reg128:$dst),
  (ins i32imm:$src),
  "input_perspective $src : dst",
  [(set R600_Reg128:$dst, (INTERP_P0 (i32 imm:$src)))]>;



def INTERP_XY : InstR600 <0xD6,
  (outs R600_Reg32:$dst),
  (ins R600_Reg32:$src0, R600_Reg32:$src1, i32imm:$flags),
  "INTERP_XY dst",
  [], AnyALU>
{
  let FlagOperandIdx = 3;
}

def INTERP_ZW : InstR600 <0xD7,
  (outs R600_Reg32:$dst),
  (ins R600_Reg32:$src0, R600_Reg32:$src1, i32imm:$flags),
  "INTERP_ZW dst",
  [], AnyALU>
{
  let FlagOperandIdx = 3;
}

def INTERP_LOAD_P0 : InstR600 <0xE0,
  (outs R600_Reg32:$dst),
  (ins R600_Reg32:$src, i32imm:$flags),
  "INTERP_LOAD_P0 dst",
  [], AnyALU>
{
  let FlagOperandIdx = 2;
}

let Predicates = [isR600toCayman] in { 

//===----------------------------------------------------------------------===//
// Common Instructions R600, R700, Evergreen, Cayman
//===----------------------------------------------------------------------===//

def ADD : R600_2OP_Helper <0x0, "ADD", fadd>;
// Non-IEEE MUL: 0 * anything = 0
def MUL : R600_2OP_Helper <0x1, "MUL NON-IEEE", int_AMDGPU_mul>;
def MUL_IEEE : R600_2OP_Helper <0x2, "MUL_IEEE", fmul>;
def MAX : R600_2OP_Helper <0x3, "MAX", AMDGPUfmax>;
def MIN : R600_2OP_Helper <0x4, "MIN", AMDGPUfmin>;

// For the SET* instructions there is a naming conflict in TargetSelectionDAG.td,
// so some of the instruction names don't match the asm string.
// XXX: Use the defs in TargetSelectionDAG.td instead of intrinsics.
def SETE : R600_2OP <
  0x08, "SETE",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
             COND_EQ))]
>;

def SGT : R600_2OP <
  0x09, "SETGT",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
              COND_GT))]
>;

def SGE : R600_2OP <
  0xA, "SETGE",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
              COND_GE))]
>;

def SNE : R600_2OP <
  0xB, "SETNE",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO,
    COND_NE))]
>;

def FRACT : R600_1OP_Helper <0x10, "FRACT", AMDGPUfract>;
def TRUNC : R600_1OP_Helper <0x11, "TRUNC", int_AMDGPU_trunc>;
def CEIL : R600_1OP_Helper <0x12, "CEIL", fceil>;
def RNDNE : R600_1OP_Helper <0x13, "RNDNE", frint>;
def FLOOR : R600_1OP_Helper <0x14, "FLOOR", ffloor>;

def MOV : R600_1OP <0x19, "MOV", []>;

let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in {

class MOV_IMM <ValueType vt, Operand immType> : AMDGPUInst <
  (outs R600_Reg32:$dst),
  (ins immType:$imm),
  "",
  []
>;

} // end let isPseudo = 1, isCodeGenOnly = 1, usesCustomInserter = 1

def MOV_IMM_I32 : MOV_IMM<i32, i32imm>;
def : Pat <
  (imm:$val),
  (MOV_IMM_I32 imm:$val)
>;

def MOV_IMM_F32 : MOV_IMM<f32, f32imm>;
def : Pat <
  (fpimm:$val),
  (MOV_IMM_F32  fpimm:$val)
>;

def KILLGT : InstR600 <0x2D,
          (outs R600_Reg32:$dst),
          (ins R600_Reg32:$src0, R600_Reg32:$src1, i32imm:$flags, R600_Pred:$p,
               variable_ops),
          "KILLGT $dst, $src0, $src1, $flags ($p)",
          [],
          NullALU>{
  let FlagOperandIdx = 3;
  bits<7> dst;
  bits<9> src0;
  bits<9> src1;
  let Inst{8-0}   = src0;
  let Inst{21-13} = src1;
  let Inst{49-39} = op_code;
  let Inst{59-53} = dst;
}

def AND_INT : R600_2OP_Helper <0x30, "AND_INT", and>;
def OR_INT : R600_2OP_Helper <0x31, "OR_INT", or>;
def XOR_INT : R600_2OP_Helper <0x32, "XOR_INT", xor>;
def NOT_INT : R600_1OP_Helper <0x33, "NOT_INT", not>;
def ADD_INT : R600_2OP_Helper <0x34, "ADD_INT", add>;
def SUB_INT : R600_2OP_Helper <0x35, "SUB_INT", sub>;
def MAX_INT : R600_2OP_Helper <0x36, "MAX_INT", AMDGPUsmax>;
def MIN_INT : R600_2OP_Helper <0x37, "MIN_INT", AMDGPUsmin>;
def MAX_UINT : R600_2OP_Helper <0x38, "MAX_UINT", AMDGPUsmax>;
def MIN_UINT : R600_2OP_Helper <0x39, "MIN_UINT", AMDGPUumin>;

def SETE_INT : R600_2OP <
  0x3A, "SETE_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETEQ))]
>;

def SETGT_INT : R600_2OP <
  0x3B, "SGT_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGT))]
>;

def SETGE_INT : R600_2OP <
	0x3C, "SETGE_INT",
	[(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETGE))]
>;

def SETNE_INT : R600_2OP <
  0x3D, "SETNE_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETNE))]
>;

def SETGT_UINT : R600_2OP <
  0x3E, "SETGT_UINT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGT))]
>;

def SETGE_UINT : R600_2OP <
  0x3F, "SETGE_UINT",
  [(set (i32 R600_Reg32:$dst),
    (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETUGE))]
>;

def CNDE_INT : R600_3OP <
	0x1C, "CNDE_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), 0,
       (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
       COND_EQ))]
>;

def CNDGE_INT : R600_3OP <
	0x1E, "CNDGE_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), 0,
       (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
       COND_GE))]
>;

def CNDGT_INT : R600_3OP <
	0x1D, "CNDGT_INT",
  [(set (i32 R600_Reg32:$dst),
   (selectcc (i32 R600_Reg32:$src0), 0,
       (i32 R600_Reg32:$src1), (i32 R600_Reg32:$src2),
       COND_GT))]
>;

//===----------------------------------------------------------------------===//
// Texture instructions
//===----------------------------------------------------------------------===//

def TEX_LD : R600_TEX <
  0x03, "TEX_LD",
  [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$src4, imm:$src5))]
> {
let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $src4, $src5";
let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$src4, i32imm:$src5);
}

def TEX_GET_TEXTURE_RESINFO : R600_TEX <
  0x04, "TEX_GET_TEXTURE_RESINFO",
  [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_GET_GRADIENTS_H : R600_TEX <
  0x07, "TEX_GET_GRADIENTS_H",
  [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_GET_GRADIENTS_V : R600_TEX <
  0x08, "TEX_GET_GRADIENTS_V",
  [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_SET_GRADIENTS_H : R600_TEX <
  0x0B, "TEX_SET_GRADIENTS_H",
  []
>;

def TEX_SET_GRADIENTS_V : R600_TEX <
  0x0C, "TEX_SET_GRADIENTS_V",
  []
>;

def TEX_SAMPLE : R600_TEX <
  0x10, "TEX_SAMPLE",
  [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_SAMPLE_C : R600_TEX <
  0x18, "TEX_SAMPLE_C",
  [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$src1, TEX_SHADOW:$src2))]
>;

def TEX_SAMPLE_L : R600_TEX <
  0x11, "TEX_SAMPLE_L",
  [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_SAMPLE_C_L : R600_TEX <
  0x19, "TEX_SAMPLE_C_L",
  [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$src1, TEX_SHADOW:$src2))]
>;

def TEX_SAMPLE_LB : R600_TEX <
  0x12, "TEX_SAMPLE_LB",
  [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$src1, imm:$src2))]
>;

def TEX_SAMPLE_C_LB : R600_TEX <
  0x1A, "TEX_SAMPLE_C_LB",
  [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$src1, TEX_SHADOW:$src2))]
>;

def TEX_SAMPLE_G : R600_TEX <
  0x14, "TEX_SAMPLE_G",
  []
>;

def TEX_SAMPLE_C_G : R600_TEX <
  0x1C, "TEX_SAMPLE_C_G",
  []
>;

//===----------------------------------------------------------------------===//
// Helper classes for common instructions
//===----------------------------------------------------------------------===//

class MUL_LIT_Common <bits<11> inst> : R600_3OP <
  inst, "MUL_LIT",
  []
>;

class MULADD_Common <bits<11> inst> : R600_3OP <
  inst, "MULADD",
  [(set (f32 R600_Reg32:$dst),
   (IL_mad R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
>;

class CNDE_Common <bits<11> inst> : R600_3OP <
  inst, "CNDE",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
       (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
       COND_EQ))]
>;

class CNDGT_Common <bits<11> inst> : R600_3OP <
  inst, "CNDGT",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
       (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
       COND_GT))]
>;

class CNDGE_Common <bits<11> inst> : R600_3OP <
  inst, "CNDGE",
  [(set R600_Reg32:$dst,
   (selectcc (f32 R600_Reg32:$src0), FP_ZERO,
       (f32 R600_Reg32:$src1), (f32 R600_Reg32:$src2),
       COND_GE))]
>;

class DOT4_Common <bits<11> inst> : R600_REDUCTION <
  inst,
  (ins R600_Reg128:$src0, R600_Reg128:$src1, i32imm:$flags),
  "DOT4 $dst $src0, $src1",
  []
  > {
  bits<9> src0;
  bits<9> src1;
  let Inst{8-0}   = src0;
  let Inst{21-13} = src1;
  let FlagOperandIdx = 3;
}

class DOT4_Pat <Instruction dot4> : Pat <
  (int_AMDGPU_dp4 R600_Reg128:$src0, R600_Reg128:$src1),
  (dot4 R600_Reg128:$src0, R600_Reg128:$src1, 0)
>;

let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
multiclass CUBE_Common <bits<11> inst> {

  def _pseudo : InstR600 <
    inst,
    (outs R600_Reg128:$dst),
    (ins R600_Reg128:$src),
    "CUBE $dst $src",
    [(set R600_Reg128:$dst, (int_AMDGPU_cube R600_Reg128:$src))],
    VecALU
  >;

  def _real : InstR600 <
    inst,
    (outs R600_Reg32:$dst),
    (ins R600_Reg32:$src0, R600_Reg32:$src1, i32imm:$flags),
    "CUBE $dst, $src0, $src1",
    [], VecALU
  >{
    let FlagOperandIdx = 3;
    bits<7> dst;
    bits<9> src0;
    bits<9> src1;
    let Inst{8-0}   = src0;
    let Inst{21-13} = src1;
    let Inst{49-39} = inst;
    let Inst{59-53} = dst;
  }
}
} // End mayLoad = 0, mayStore = 0, hasSideEffects = 0

class EXP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "EXP_IEEE", fexp2
>;

class FLT_TO_INT_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "FLT_TO_INT", fp_to_sint
>;

class INT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "INT_TO_FLT", sint_to_fp
>;

class FLT_TO_UINT_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "FLT_TO_UINT", fp_to_uint
>;

class UINT_TO_FLT_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "UINT_TO_FLT", uint_to_fp
>;

class LOG_CLAMPED_Common <bits<11> inst> : R600_1OP <
  inst, "LOG_CLAMPED", []
>;

class LOG_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "LOG_IEEE", flog2
>;

class LSHL_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHL", shl>;
class LSHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "LSHR", srl>;
class ASHR_Common <bits<11> inst> : R600_2OP_Helper <inst, "ASHR", sra>;
class MULHI_INT_Common <bits<11> inst> : R600_2OP_Helper <
  inst, "MULHI_INT", mulhs
>;
class MULHI_UINT_Common <bits<11> inst> : R600_2OP_Helper <
  inst, "MULHI", mulhu
>;
class MULLO_INT_Common <bits<11> inst> : R600_2OP_Helper <
  inst, "MULLO_INT", mul
>;
class MULLO_UINT_Common <bits<11> inst> : R600_2OP <inst, "MULLO_UINT", []>;

class RECIP_CLAMPED_Common <bits<11> inst> : R600_1OP <
  inst, "RECIP_CLAMPED", []
>;

class RECIP_IEEE_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "RECIP_IEEE", int_AMDGPU_rcp
>;

class RECIP_UINT_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "RECIP_UINT", AMDGPUurecip
>;

class RECIPSQRT_CLAMPED_Common <bits<11> inst> : R600_1OP_Helper <
  inst, "RECIPSQRT_CLAMPED", int_AMDGPU_rsq
>;

class RECIPSQRT_IEEE_Common <bits<11> inst> : R600_1OP <
  inst, "RECIPSQRT_IEEE", []
>;

class SIN_Common <bits<11> inst> : R600_1OP <
  inst, "SIN", []>{
  let Trig = 1;
}

class COS_Common <bits<11> inst> : R600_1OP <
  inst, "COS", []> {
  let Trig = 1;
}

//===----------------------------------------------------------------------===//
// Helper patterns for complex intrinsics
//===----------------------------------------------------------------------===//

multiclass DIV_Common <InstR600 recip_ieee> {
def : Pat<
  (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
  (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
>;

def : Pat<
  (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
  (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
>;
}

class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600 log_clamped, InstR600 exp_ieee> : Pat <
  (int_TGSI_lit_z R600_Reg32:$src_x, R600_Reg32:$src_y, R600_Reg32:$src_w),
  (exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))), R600_Reg32:$src_w, R600_Reg32:$src_x))
>;

//===----------------------------------------------------------------------===//
// R600 / R700 Instructions
//===----------------------------------------------------------------------===//

let Predicates = [isR600] in {

  def MUL_LIT_r600 : MUL_LIT_Common<0x0C>;
  def MULADD_r600 : MULADD_Common<0x10>;
  def CNDE_r600 : CNDE_Common<0x18>;
  def CNDGT_r600 : CNDGT_Common<0x19>;
  def CNDGE_r600 : CNDGE_Common<0x1A>;
  def DOT4_r600 : DOT4_Common<0x50>;
  def : DOT4_Pat <DOT4_r600>;
  defm CUBE_r600 : CUBE_Common<0x52>;
  def EXP_IEEE_r600 : EXP_IEEE_Common<0x61>;
  def LOG_CLAMPED_r600 : LOG_CLAMPED_Common<0x62>;
  def LOG_IEEE_r600 : LOG_IEEE_Common<0x63>;
  def RECIP_CLAMPED_r600 : RECIP_CLAMPED_Common<0x64>;
  def RECIP_IEEE_r600 : RECIP_IEEE_Common<0x66>;
  def RECIPSQRT_CLAMPED_r600 : RECIPSQRT_CLAMPED_Common<0x67>;
  def RECIPSQRT_IEEE_r600 : RECIPSQRT_IEEE_Common<0x69>;
  def FLT_TO_INT_r600 : FLT_TO_INT_Common<0x6b>;
  def INT_TO_FLT_r600 : INT_TO_FLT_Common<0x6c>;
  def FLT_TO_UINT_r600 : FLT_TO_UINT_Common<0x79>;
  def UINT_TO_FLT_r600 : UINT_TO_FLT_Common<0x6d>;
  def SIN_r600 : SIN_Common<0x6E>;
  def COS_r600 : COS_Common<0x6F>;
  def ASHR_r600 : ASHR_Common<0x70>;
  def LSHR_r600 : LSHR_Common<0x71>;
  def LSHL_r600 : LSHL_Common<0x72>;
  def MULLO_INT_r600 : MULLO_INT_Common<0x73>;
  def MULHI_INT_r600 : MULHI_INT_Common<0x74>;
  def MULLO_UINT_r600 : MULLO_UINT_Common<0x75>;
  def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
  def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;

  defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
  def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600, EXP_IEEE_r600>;

}

// Helper pattern for normalizing inputs to triginomic instructions for R700+
// cards.
class COS_PAT <InstR600 trig> : Pat<
  (fcos R600_Reg32:$src),
  (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
>;

class SIN_PAT <InstR600 trig> : Pat<
  (fsin R600_Reg32:$src),
  (trig (MUL (MOV_IMM_I32 CONST.TWO_PI_INV), R600_Reg32:$src))
>;

//===----------------------------------------------------------------------===//
// R700 Only instructions
//===----------------------------------------------------------------------===//

let Predicates = [isR700] in {
  def SIN_r700 : SIN_Common<0x6E>;
  def COS_r700 : COS_Common<0x6F>;

  // R700 normalizes inputs to SIN/COS the same as EG
  def : SIN_PAT <SIN_r700>;
  def : COS_PAT <COS_r700>;
}

//===----------------------------------------------------------------------===//
// Evergreen Only instructions
//===----------------------------------------------------------------------===//

let Predicates = [isEG] in {
  
def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;

def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
def MULHI_INT_eg : MULHI_INT_Common<0x90>;
def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
} // End Predicates = [isEG]

//===----------------------------------------------------------------------===//
// Evergreen / Cayman Instructions
//===----------------------------------------------------------------------===//

let Predicates = [isEGorCayman] in {

  // BFE_UINT - bit_extract, an optimization for mask and shift
  // Src0 = Input
  // Src1 = Offset
  // Src2 = Width
  //
  // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
  //
  // Example Usage:
  // (Offset, Width)
  //
  // (0, 8)           = (Input << 24) >> 24  = (Input &  0xff)       >> 0
  // (8, 8)           = (Input << 16) >> 24  = (Input &  0xffff)     >> 8
  // (16,8)           = (Input <<  8) >> 24  = (Input &  0xffffff)   >> 16
  // (24,8)           = (Input <<  0) >> 24  = (Input &  0xffffffff) >> 24
  def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
    [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
                                                      R600_Reg32:$src1,
                                                      R600_Reg32:$src2))],
    VecALU
  >;

  def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
    [(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
                                          R600_Reg32:$src2))],
    VecALU
  >;

  def MULADD_eg : MULADD_Common<0x14>;
  def ASHR_eg : ASHR_Common<0x15>;
  def LSHR_eg : LSHR_Common<0x16>;
  def LSHL_eg : LSHL_Common<0x17>;
  def CNDE_eg : CNDE_Common<0x19>;
  def CNDGT_eg : CNDGT_Common<0x1A>;
  def CNDGE_eg : CNDGE_Common<0x1B>;
  def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
  def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
  def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
  def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
  def SIN_eg : SIN_Common<0x8D>;
  def COS_eg : COS_Common<0x8E>;
  def DOT4_eg : DOT4_Common<0xBE>;
  def : DOT4_Pat <DOT4_eg>;
  defm CUBE_eg : CUBE_Common<0xC0>;

  def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg, EXP_IEEE_eg>;

  def : SIN_PAT <SIN_eg>;
  def : COS_PAT <COS_eg>;

  def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
    let Pattern = [];
  }

  def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;

  def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
    let Pattern = [];
  }

  def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;

  // TRUNC is used for the FLT_TO_INT instructions to work around a
  // perceived problem where the rounding modes are applied differently
  // depending on the instruction and the slot they are in.
  // See:
  // https://bugs.freedesktop.org/show_bug.cgi?id=50232
  // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
  //
  // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
  // which do not need to be truncated since the fp values are 0.0f or 1.0f.
  // We should look into handling these cases separately.
  def : Pat<(fp_to_sint R600_Reg32:$src0),
    (FLT_TO_INT_eg (TRUNC R600_Reg32:$src0))>;

  def : Pat<(fp_to_uint R600_Reg32:$src0),
    (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src0))>;

  def : Pat<(fsqrt R600_Reg32:$src),
    (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>;

//===----------------------------------------------------------------------===//
// Memory read/write instructions
//===----------------------------------------------------------------------===//

let usesCustomInserter = 1 in {

class RAT_WRITE_CACHELESS_eg <dag ins, bits<4> comp_mask, string name> : EG_CF_RAT <
  0x57, 0x2, 0, (outs), ins, !strconcat(name, " $rw_gpr, $index_gpr, $eop"), []>
{
  let RIM         = 0;
  // XXX: Have a separate instruction for non-indexed writes.
  let TYPE        = 1;
  let RW_REL      = 0;
  let ELEM_SIZE   = 0;

  let ARRAY_SIZE  = 0;
  let COMP_MASK   = comp_mask;
  let BURST_COUNT = 0;
  let VPM         = 0;
  let MARK        = 0;
  let BARRIER     = 1;
}

} // End usesCustomInserter = 1

// 32-bit store
def RAT_WRITE_CACHELESS_32_eg : RAT_WRITE_CACHELESS_eg <
  (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, i32imm:$eop),
  0x1, "RAT_WRITE_CACHELESS_32_eg"
>;

// i32 global_store
def : Pat <
  (global_store (i32 R600_TReg32_X:$val), R600_TReg32_X:$ptr),
  (RAT_WRITE_CACHELESS_32_eg R600_TReg32_X:$val, R600_TReg32_X:$ptr, 0)
>;

// Floating point global_store
def : Pat <
  (global_store (f32 R600_TReg32_X:$val), R600_TReg32_X:$ptr),
  (RAT_WRITE_CACHELESS_32_eg R600_TReg32_X:$val, R600_TReg32_X:$ptr, 0)
>;

//128-bit store
def RAT_WRITE_CACHELESS_128_eg : RAT_WRITE_CACHELESS_eg <
  (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, i32imm:$eop),
  0xf, "RAT_WRITE_CACHELESS_128"
>;

// v4f32 global store
def : Pat <
  (global_store (v4f32 R600_Reg128:$val), R600_TReg32_X:$ptr),
  (RAT_WRITE_CACHELESS_128_eg R600_Reg128:$val, R600_TReg32_X:$ptr, 0)
>;

// v4i32 global store
def : Pat <
  (global_store (v4i32 R600_Reg128:$val), R600_TReg32_X:$ptr),
  (RAT_WRITE_CACHELESS_128_eg R600_Reg128:$val, R600_TReg32_X:$ptr, 0)
>;

class VTX_READ_eg <bits<8> buffer_id, dag outs, list<dag> pattern>
    : InstR600ISA <outs, (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr", pattern> {

  // Operands
  bits<7> DST_GPR;
  bits<7> SRC_GPR;

  // Static fields
  bits<5> VC_INST = 0;
  bits<2> FETCH_TYPE = 2;
  bits<1> FETCH_WHOLE_QUAD = 0;
  bits<8> BUFFER_ID = buffer_id;
  bits<1> SRC_REL = 0;
  // XXX: We can infer this field based on the SRC_GPR.  This would allow us
  // to store vertex addresses in any channel, not just X.
  bits<2> SRC_SEL_X = 0;
  bits<6> MEGA_FETCH_COUNT;
  bits<1> DST_REL = 0;
  bits<3> DST_SEL_X;
  bits<3> DST_SEL_Y;
  bits<3> DST_SEL_Z;
  bits<3> DST_SEL_W;
  // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
  // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
  // however, based on my testing if USE_CONST_FIELDS is set, then all
  // these fields need to be set to 0.
  bits<1> USE_CONST_FIELDS = 0;
  bits<6> DATA_FORMAT;
  bits<2> NUM_FORMAT_ALL = 1;
  bits<1> FORMAT_COMP_ALL = 0;
  bits<1> SRF_MODE_ALL = 0;

  // LLVM can only encode 64-bit instructions, so these fields are manually
  // encoded in R600CodeEmitter
  //
  // bits<16> OFFSET;
  // bits<2>  ENDIAN_SWAP = 0;
  // bits<1>  CONST_BUF_NO_STRIDE = 0;
  // bits<1>  MEGA_FETCH = 0;
  // bits<1>  ALT_CONST = 0;
  // bits<2>  BUFFER_INDEX_MODE = 0;

  // VTX_WORD0
  let Inst{4-0}   = VC_INST;
  let Inst{6-5}   = FETCH_TYPE;
  let Inst{7}     = FETCH_WHOLE_QUAD;
  let Inst{15-8}  = BUFFER_ID;
  let Inst{22-16} = SRC_GPR;
  let Inst{23}    = SRC_REL;
  let Inst{25-24} = SRC_SEL_X;
  let Inst{31-26} = MEGA_FETCH_COUNT;

  // VTX_WORD1_GPR
  let Inst{38-32} = DST_GPR;
  let Inst{39}    = DST_REL;
  let Inst{40}    = 0; // Reserved
  let Inst{43-41} = DST_SEL_X;
  let Inst{46-44} = DST_SEL_Y;
  let Inst{49-47} = DST_SEL_Z;
  let Inst{52-50} = DST_SEL_W;
  let Inst{53}    = USE_CONST_FIELDS;
  let Inst{59-54} = DATA_FORMAT;
  let Inst{61-60} = NUM_FORMAT_ALL;
  let Inst{62}    = FORMAT_COMP_ALL;
  let Inst{63}    = SRF_MODE_ALL;

  // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
  // is done in R600CodeEmitter
  //
  // Inst{79-64} = OFFSET;
  // Inst{81-80} = ENDIAN_SWAP;
  // Inst{82}    = CONST_BUF_NO_STRIDE;
  // Inst{83}    = MEGA_FETCH;
  // Inst{84}    = ALT_CONST;
  // Inst{86-85} = BUFFER_INDEX_MODE;
  // Inst{95-86} = 0; Reserved

  // VTX_WORD3 (Padding)
  //
  // Inst{127-96} = 0;
}

class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <buffer_id, (outs R600_TReg32_X:$dst), pattern> {

  let MEGA_FETCH_COUNT = 1;
  let DST_SEL_X = 0;
  let DST_SEL_Y = 7;   // Masked
  let DST_SEL_Z = 7;   // Masked
  let DST_SEL_W = 7;   // Masked
  let DATA_FORMAT = 1; // FMT_8
}

class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <buffer_id, (outs R600_TReg32_X:$dst), pattern> {

  let MEGA_FETCH_COUNT = 4;
  let DST_SEL_X        = 0;
  let DST_SEL_Y        = 7;   // Masked
  let DST_SEL_Z        = 7;   // Masked
  let DST_SEL_W        = 7;   // Masked
  let DATA_FORMAT      = 0xD; // COLOR_32

  // This is not really necessary, but there were some GPU hangs that appeared
  // to be caused by ALU instructions in the next instruction group that wrote
  // to the $ptr registers of the VTX_READ.  
  // e.g.
  // %T3_X<def> = VTX_READ_PARAM_i32_eg %T2_X<kill>, 24
  // %T2_X<def> = MOV %ZERO
  //Adding this constraint prevents this from happening.
  let Constraints = "$ptr.ptr = $dst";
}

class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
    : VTX_READ_eg <buffer_id, (outs R600_Reg128:$dst), pattern> {

  let MEGA_FETCH_COUNT = 16;
  let DST_SEL_X        =  0;
  let DST_SEL_Y        =  1;
  let DST_SEL_Z        =  2;
  let DST_SEL_W        =  3;
  let DATA_FORMAT      =  0x22; // COLOR_32_32_32_32

  // XXX: Need to force VTX_READ_128 instructions to write to the same register
  // that holds its buffer address to avoid potential hangs.  We can't use
  // the same constraint as VTX_READ_32_eg, because the $ptr.ptr and $dst
  // registers are different sizes.
}

//===----------------------------------------------------------------------===//
// VTX Read from parameter memory space
//===----------------------------------------------------------------------===//

class VTX_READ_PARAM_32_eg <ValueType vt> : VTX_READ_32_eg <0,
  [(set (vt R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
>;

def VTX_READ_PARAM_i32_eg : VTX_READ_PARAM_32_eg<i32>;
def VTX_READ_PARAM_f32_eg : VTX_READ_PARAM_32_eg<f32>;


//===----------------------------------------------------------------------===//
// VTX Read from global memory space
//===----------------------------------------------------------------------===//

// 8-bit reads
def VTX_READ_GLOBAL_i8_eg : VTX_READ_8_eg <1,
  [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))]
>;

// 32-bit reads

class VTX_READ_GLOBAL_eg <ValueType vt> : VTX_READ_32_eg <1,
  [(set (vt R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
>;

def VTX_READ_GLOBAL_i32_eg : VTX_READ_GLOBAL_eg<i32>;
def VTX_READ_GLOBAL_f32_eg : VTX_READ_GLOBAL_eg<f32>;

// 128-bit reads

class VTX_READ_GLOBAL_128_eg <ValueType vt> : VTX_READ_128_eg <1,
  [(set (vt R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
>;

def VTX_READ_GLOBAL_v4i32_eg : VTX_READ_GLOBAL_128_eg<v4i32>;
def VTX_READ_GLOBAL_v4f32_eg : VTX_READ_GLOBAL_128_eg<v4f32>;

//===----------------------------------------------------------------------===//
// Constant Loads
// XXX: We are currently storing all constants in the global address space.
//===----------------------------------------------------------------------===//

def CONSTANT_LOAD_eg : VTX_READ_32_eg <1,
  [(set (f32 R600_TReg32_X:$dst), (constant_load ADDRVTX_READ:$ptr))]
>;

}

let Predicates = [isCayman] in {

let isVector = 1 in { 

def RECIP_IEEE_cm : RECIP_IEEE_Common<0x86>;

def MULLO_INT_cm : MULLO_INT_Common<0x8F>;
def MULHI_INT_cm : MULHI_INT_Common<0x90>;
def MULLO_UINT_cm : MULLO_UINT_Common<0x91>;
def MULHI_UINT_cm : MULHI_UINT_Common<0x92>;
def RECIPSQRT_CLAMPED_cm : RECIPSQRT_CLAMPED_Common<0x87>;
def EXP_IEEE_cm : EXP_IEEE_Common<0x81>;
def LOG_IEEE_ : LOG_IEEE_Common<0x83>;
} // End isVector = 1

defm DIV_cm : DIV_Common<RECIP_IEEE_cm>;

// RECIP_UINT emulation for Cayman
def : Pat <
  (AMDGPUurecip R600_Reg32:$src0),
  (FLT_TO_UINT_eg (MUL_IEEE (RECIP_IEEE_cm (UINT_TO_FLT_eg R600_Reg32:$src0)),
                            (MOV_IMM_I32 0x4f800000)))
>;

} // End isCayman

let isCodeGenOnly = 1 in {

  def MULLIT : AMDGPUShaderInst <
    (outs R600_Reg128:$dst),
    (ins R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
    "MULLIT $dst, $src0, $src1",
    [(set R600_Reg128:$dst, (int_AMDGPU_mullit R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2))]
  >;

let usesCustomInserter = 1, isPseudo = 1 in {

class R600PreloadInst <string asm, Intrinsic intr> : AMDGPUInst <
  (outs R600_TReg32:$dst),
  (ins),
  asm,
  [(set R600_TReg32:$dst, (intr))]
>;

def R600_LOAD_CONST : AMDGPUShaderInst <
  (outs R600_Reg32:$dst),
  (ins i32imm:$src0),
  "R600_LOAD_CONST $dst, $src0",
  [(set R600_Reg32:$dst, (int_AMDGPU_load_const imm:$src0))]
>;

def RESERVE_REG : AMDGPUShaderInst <
  (outs),
  (ins i32imm:$src),
  "RESERVE_REG $src",
  [(int_AMDGPU_reserve_reg imm:$src)]
>;

def TXD: AMDGPUShaderInst <
  (outs R600_Reg128:$dst),
  (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$src3, i32imm:$src4),
  "TXD $dst, $src0, $src1, $src2, $src3, $src4",
  [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$src3, imm:$src4))]
>;

def TXD_SHADOW: AMDGPUShaderInst <
  (outs R600_Reg128:$dst),
  (ins R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, i32imm:$src3, i32imm:$src4),
  "TXD_SHADOW $dst, $src0, $src1, $src2, $src3, $src4",
  [(set R600_Reg128:$dst, (int_AMDGPU_txd R600_Reg128:$src0, R600_Reg128:$src1, R600_Reg128:$src2, imm:$src3, TEX_SHADOW:$src4))]
>;

} // End usesCustomInserter = 1, isPseudo = 1

} // End isCodeGenOnly = 1

def CLAMP_R600 :  CLAMP <R600_Reg32>;
def FABS_R600 : FABS<R600_Reg32>;
def FNEG_R600 : FNEG<R600_Reg32>;

let usesCustomInserter = 1, mayLoad = 0, mayStore = 0, hasSideEffects = 1 in {

def MASK_WRITE : AMDGPUShaderInst <
    (outs),
    (ins R600_Reg32:$src),
    "MASK_WRITE $src",
    []
>;

} // End usesCustomInserter = 1, mayLoad = 0, mayStore = 0, hasSideEffects = 0

//===---------------------------------------------------------------------===//
// Return instruction
//===---------------------------------------------------------------------===//
let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1 in {
  def RETURN          : ILFormat<(outs), (ins variable_ops),
      "RETURN", [(IL_retflag)]>;
}

//===----------------------------------------------------------------------===//
// ISel Patterns
//===----------------------------------------------------------------------===//

//CNDGE_INT extra pattern
def : Pat <
  (selectcc (i32 R600_Reg32:$src0), -1, (i32 R600_Reg32:$src1),
                                        (i32 R600_Reg32:$src2), COND_GT),
  (CNDGE_INT R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
>;

// KIL Patterns
def KILP : Pat <
  (int_AMDGPU_kilp),
  (MASK_WRITE (KILLGT (f32 ONE), (f32 ZERO), 0))
>;

def KIL : Pat <
  (int_AMDGPU_kill R600_Reg32:$src0),
  (MASK_WRITE (KILLGT (f32 ZERO), (f32 R600_Reg32:$src0), 0))
>;

// SGT Reverse args
def : Pat <
  (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LT),
  (SGT R600_Reg32:$src1, R600_Reg32:$src0)
>;

// SGE Reverse args
def : Pat <
  (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, COND_LE),
  (SGE R600_Reg32:$src1, R600_Reg32:$src0) 
>;

// SETGT_INT reverse args
def : Pat <
  (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLT),
  (SETGT_INT R600_Reg32:$src1, R600_Reg32:$src0)
>;

// SETGE_INT reverse args
def : Pat <
  (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETLE),
  (SETGE_INT R600_Reg32:$src1, R600_Reg32:$src0)
>;

// SETGT_UINT reverse args
def : Pat <
  (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULT),
  (SETGT_UINT R600_Reg32:$src1, R600_Reg32:$src0)
>;

// SETGE_UINT reverse args
def : Pat <
  (selectcc (i32 R600_Reg32:$src0), R600_Reg32:$src1, -1, 0, SETULE),
  (SETGE_UINT R600_Reg32:$src1, R600_Reg32:$src0)
>;

// The next two patterns are special cases for handling 'true if ordered' and
// 'true if unordered' conditionals.  The assumption here is that the behavior of
// SETE and SNE conforms to the Direct3D 10 rules for floating point values
// described here:
// http://msdn.microsoft.com/en-us/library/windows/desktop/cc308050.aspx#alpha_32_bit
// We assume that  SETE returns false when one of the operands is NAN and
// SNE returns true when on of the operands is NAN

//SETE - 'true if ordered'
def : Pat <
  (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETO),
  (SETE R600_Reg32:$src0, R600_Reg32:$src1)
>;

//SNE - 'true if unordered'
def : Pat <
  (selectcc (f32 R600_Reg32:$src0), R600_Reg32:$src1, FP_ONE, FP_ZERO, SETUO),
  (SNE R600_Reg32:$src0, R600_Reg32:$src1)
>;

def : Extract_Element <f32, v4f32, R600_Reg128, 0, sel_x>;
def : Extract_Element <f32, v4f32, R600_Reg128, 1, sel_y>;
def : Extract_Element <f32, v4f32, R600_Reg128, 2, sel_z>;
def : Extract_Element <f32, v4f32, R600_Reg128, 3, sel_w>;

def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 0, sel_x>;
def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 1, sel_y>;
def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 2, sel_z>;
def : Insert_Element <f32, v4f32, R600_Reg32, R600_Reg128, 3, sel_w>;

def : Extract_Element <i32, v4i32, R600_Reg128, 0, sel_x>;
def : Extract_Element <i32, v4i32, R600_Reg128, 1, sel_y>;
def : Extract_Element <i32, v4i32, R600_Reg128, 2, sel_z>;
def : Extract_Element <i32, v4i32, R600_Reg128, 3, sel_w>;

def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 0, sel_x>;
def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 1, sel_y>;
def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 2, sel_z>;
def : Insert_Element <i32, v4i32, R600_Reg32, R600_Reg128, 3, sel_w>;

def : Vector_Build <v4f32, R600_Reg128, f32, R600_Reg32>;
def : Vector_Build <v4i32, R600_Reg128, i32, R600_Reg32>;

// bitconvert patterns

def : BitConvert <i32, f32, R600_Reg32>;
def : BitConvert <f32, i32, R600_Reg32>;
def : BitConvert <v4f32, v4i32, R600_Reg128>;

} // End isR600toCayman Predicate