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      1 //===- PTXInstrInfo.td - PTX Instruction defs -----------------*- tblgen-*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file describes the PTX instructions in TableGen format.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 //===----------------------------------------------------------------------===//
     15 // Instruction format superclass
     16 //===----------------------------------------------------------------------===//
     17 
     18 include "PTXInstrFormats.td"
     19 
     20 //===----------------------------------------------------------------------===//
     21 // Code Generation Predicates
     22 //===----------------------------------------------------------------------===//
     23 
     24 // Shader Model Support
     25 def FDivNeedsRoundingMode : Predicate<"getSubtarget().fdivNeedsRoundingMode()">;
     26 def FDivNoRoundingMode : Predicate<"!getSubtarget().fdivNeedsRoundingMode()">;
     27 def FMadNeedsRoundingMode : Predicate<"getSubtarget().fmadNeedsRoundingMode()">;
     28 def FMadNoRoundingMode : Predicate<"!getSubtarget().fmadNeedsRoundingMode()">;
     29 
     30 // PTX Version Support
     31 def SupportsPTX21       : Predicate<"getSubtarget().supportsPTX21()">;
     32 def DoesNotSupportPTX21 : Predicate<"!getSubtarget().supportsPTX21()">;
     33 def SupportsPTX22       : Predicate<"getSubtarget().supportsPTX22()">;
     34 def DoesNotSupportPTX22 : Predicate<"!getSubtarget().supportsPTX22()">;
     35 def SupportsPTX23       : Predicate<"getSubtarget().supportsPTX23()">;
     36 def DoesNotSupportPTX23 : Predicate<"!getSubtarget().supportsPTX23()">;
     37 
     38 // Fused-Multiply Add
     39 def SupportsFMA         : Predicate<"getSubtarget().supportsFMA()">;
     40 def DoesNotSupportFMA   : Predicate<"!getSubtarget().supportsFMA()">;
     41 
     42 
     43 
     44 // def SDT_PTXCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
     45 // def SDT_PTXCallSeqEnd   : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
     46 
     47 // def PTXcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PTXCallSeqStart,
     48 //                               [SDNPHasChain, SDNPOutGlue]>;
     49 // def PTXcallseq_end   : SDNode<"ISD::CALLSEQ_END", SDT_PTXCallSeqEnd,
     50 //                               [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
     51 
     52 def PTXcall : SDNode<"PTXISD::CALL", SDTNone,
     53                      [SDNPHasChain, SDNPVariadic, SDNPOptInGlue, SDNPOutGlue]>;
     54 
     55 
     56 // Branch & call targets have OtherVT type.
     57 def brtarget   : Operand<OtherVT>;
     58 def calltarget : Operand<i32>;
     59 
     60 //===----------------------------------------------------------------------===//
     61 // PTX Specific Node Definitions
     62 //===----------------------------------------------------------------------===//
     63 
     64 // PTX allow generic 3-reg shifts like shl r0, r1, r2
     65 def PTXshl : SDNode<"ISD::SHL", SDTIntBinOp>;
     66 def PTXsrl : SDNode<"ISD::SRL", SDTIntBinOp>;
     67 def PTXsra : SDNode<"ISD::SRA", SDTIntBinOp>;
     68 
     69 def PTXexit
     70   : SDNode<"PTXISD::EXIT", SDTNone, [SDNPHasChain]>;
     71 def PTXret
     72   : SDNode<"PTXISD::RET",  SDTNone,
     73            [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
     74 def PTXcopyaddress
     75   : SDNode<"PTXISD::COPY_ADDRESS", SDTypeProfile<1, 1, []>, []>;
     76 
     77 
     78 
     79 //===----------------------------------------------------------------------===//
     80 // Instruction Class Templates
     81 //===----------------------------------------------------------------------===//
     82 
     83 // For floating-point instructions, we cannot just embed the pattern into the
     84 // instruction definition since we need to muck around with the rounding mode,
     85 // and I do not know how to insert constants into instructions directly from
     86 // pattern matches.
     87 
     88 //===- Floating-Point Instructions - 2 Operand Form -----------------------===//
     89 multiclass PTX_FLOAT_2OP<string opcstr> {
     90   def rr32 : InstPTX<(outs RegF32:$d),
     91                      (ins RndMode:$r, RegF32:$a),
     92                      !strconcat(opcstr, "$r.f32\t$d, $a"), []>;
     93   def ri32 : InstPTX<(outs RegF32:$d),
     94                      (ins RndMode:$r, f32imm:$a),
     95                      !strconcat(opcstr, "$r.f32\t$d, $a"), []>;
     96   def rr64 : InstPTX<(outs RegF64:$d),
     97                      (ins RndMode:$r, RegF64:$a),
     98                      !strconcat(opcstr, "$r.f64\t$d, $a"), []>;
     99   def ri64 : InstPTX<(outs RegF64:$d),
    100                      (ins RndMode:$r, f64imm:$a),
    101                      !strconcat(opcstr, "$r.f64\t$d, $a"), []>;
    102 }
    103 
    104 //===- Floating-Point Instructions - 3 Operand Form -----------------------===//
    105 multiclass PTX_FLOAT_3OP<string opcstr> {
    106   def rr32 : InstPTX<(outs RegF32:$d),
    107                      (ins RndMode:$r, RegF32:$a, RegF32:$b),
    108                      !strconcat(opcstr, "$r.f32\t$d, $a, $b"), []>;
    109   def ri32 : InstPTX<(outs RegF32:$d),
    110                      (ins RndMode:$r, RegF32:$a, f32imm:$b),
    111                      !strconcat(opcstr, "$r.f32\t$d, $a, $b"), []>;
    112   def rr64 : InstPTX<(outs RegF64:$d),
    113                      (ins RndMode:$r, RegF64:$a, RegF64:$b),
    114                      !strconcat(opcstr, "$r.f64\t$d, $a, $b"), []>;
    115   def ri64 : InstPTX<(outs RegF64:$d),
    116                      (ins RndMode:$r, RegF64:$a, f64imm:$b),
    117                      !strconcat(opcstr, "$r.f64\t$d, $a, $b"), []>;
    118 }
    119 
    120 //===- Floating-Point Instructions - 4 Operand Form -----------------------===//
    121 multiclass PTX_FLOAT_4OP<string opcstr> {
    122   def rrr32 : InstPTX<(outs RegF32:$d),
    123                       (ins RndMode:$r, RegF32:$a, RegF32:$b, RegF32:$c),
    124                       !strconcat(opcstr, "$r.f32\t$d, $a, $b, $c"), []>;
    125   def rri32 : InstPTX<(outs RegF32:$d),
    126                       (ins RndMode:$r, RegF32:$a, RegF32:$b, f32imm:$c),
    127                       !strconcat(opcstr, "$r.f32\t$d, $a, $b, $c"), []>;
    128   def rii32 : InstPTX<(outs RegF32:$d),
    129                       (ins RndMode:$r, RegF32:$a, f32imm:$b, f32imm:$c),
    130                       !strconcat(opcstr, "$r.f32\t$d, $a, $b, $c"), []>;
    131   def rrr64 : InstPTX<(outs RegF64:$d),
    132                       (ins RndMode:$r, RegF64:$a, RegF64:$b, RegF64:$c),
    133                       !strconcat(opcstr, "$r.f64\t$d, $a, $b, $c"), []>;
    134   def rri64 : InstPTX<(outs RegF64:$d),
    135                       (ins RndMode:$r, RegF64:$a, RegF64:$b, f64imm:$c),
    136                       !strconcat(opcstr, "$r.f64\t$d, $a, $b, $c"), []>;
    137   def rii64 : InstPTX<(outs RegF64:$d),
    138                       (ins RndMode:$r, RegF64:$a, f64imm:$b, f64imm:$c),
    139                       !strconcat(opcstr, "$r.f64\t$d, $a, $b, $c"), []>;
    140 }
    141 
    142 //===- Integer Instructions - 3 Operand Form ------------------------------===//
    143 multiclass PTX_INT3<string opcstr, SDNode opnode> {
    144   def rr16 : InstPTX<(outs RegI16:$d),
    145                      (ins RegI16:$a, RegI16:$b),
    146                      !strconcat(opcstr, ".u16\t$d, $a, $b"),
    147                      [(set RegI16:$d, (opnode RegI16:$a, RegI16:$b))]>;
    148   def ri16 : InstPTX<(outs RegI16:$d),
    149                      (ins RegI16:$a, i16imm:$b),
    150                      !strconcat(opcstr, ".u16\t$d, $a, $b"),
    151                      [(set RegI16:$d, (opnode RegI16:$a, imm:$b))]>;
    152   def rr32 : InstPTX<(outs RegI32:$d),
    153                      (ins RegI32:$a, RegI32:$b),
    154                      !strconcat(opcstr, ".u32\t$d, $a, $b"),
    155                      [(set RegI32:$d, (opnode RegI32:$a, RegI32:$b))]>;
    156   def ri32 : InstPTX<(outs RegI32:$d),
    157                      (ins RegI32:$a, i32imm:$b),
    158                      !strconcat(opcstr, ".u32\t$d, $a, $b"),
    159                      [(set RegI32:$d, (opnode RegI32:$a, imm:$b))]>;
    160   def rr64 : InstPTX<(outs RegI64:$d),
    161                      (ins RegI64:$a, RegI64:$b),
    162                      !strconcat(opcstr, ".u64\t$d, $a, $b"),
    163                      [(set RegI64:$d, (opnode RegI64:$a, RegI64:$b))]>;
    164   def ri64 : InstPTX<(outs RegI64:$d),
    165                      (ins RegI64:$a, i64imm:$b),
    166                      !strconcat(opcstr, ".u64\t$d, $a, $b"),
    167                      [(set RegI64:$d, (opnode RegI64:$a, imm:$b))]>;
    168 }
    169 
    170 //===- Integer Instructions - 3 Operand Form (Signed) ---------------------===//
    171 multiclass PTX_INT3_SIGNED<string opcstr, SDNode opnode> {
    172   def rr16 : InstPTX<(outs RegI16:$d),
    173                      (ins RegI16:$a, RegI16:$b),
    174                      !strconcat(opcstr, ".s16\t$d, $a, $b"),
    175                      [(set RegI16:$d, (opnode RegI16:$a, RegI16:$b))]>;
    176   def ri16 : InstPTX<(outs RegI16:$d),
    177                      (ins RegI16:$a, i16imm:$b),
    178                      !strconcat(opcstr, ".s16\t$d, $a, $b"),
    179                      [(set RegI16:$d, (opnode RegI16:$a, imm:$b))]>;
    180   def rr32 : InstPTX<(outs RegI32:$d),
    181                      (ins RegI32:$a, RegI32:$b),
    182                      !strconcat(opcstr, ".s32\t$d, $a, $b"),
    183                      [(set RegI32:$d, (opnode RegI32:$a, RegI32:$b))]>;
    184   def ri32 : InstPTX<(outs RegI32:$d),
    185                      (ins RegI32:$a, i32imm:$b),
    186                      !strconcat(opcstr, ".s32\t$d, $a, $b"),
    187                      [(set RegI32:$d, (opnode RegI32:$a, imm:$b))]>;
    188   def rr64 : InstPTX<(outs RegI64:$d),
    189                      (ins RegI64:$a, RegI64:$b),
    190                      !strconcat(opcstr, ".s64\t$d, $a, $b"),
    191                      [(set RegI64:$d, (opnode RegI64:$a, RegI64:$b))]>;
    192   def ri64 : InstPTX<(outs RegI64:$d),
    193                      (ins RegI64:$a, i64imm:$b),
    194                      !strconcat(opcstr, ".s64\t$d, $a, $b"),
    195                      [(set RegI64:$d, (opnode RegI64:$a, imm:$b))]>;
    196 }
    197 
    198 //===- Bitwise Logic Instructions - 3 Operand Form ------------------------===//
    199 multiclass PTX_LOGIC<string opcstr, SDNode opnode> {
    200   def ripreds : InstPTX<(outs RegPred:$d),
    201                      (ins RegPred:$a, i1imm:$b),
    202                      !strconcat(opcstr, ".pred\t$d, $a, $b"),
    203                      [(set RegPred:$d, (opnode RegPred:$a, imm:$b))]>;
    204   def rrpreds : InstPTX<(outs RegPred:$d),
    205                      (ins RegPred:$a, RegPred:$b),
    206                      !strconcat(opcstr, ".pred\t$d, $a, $b"),
    207                      [(set RegPred:$d, (opnode RegPred:$a, RegPred:$b))]>;
    208   def rr16 : InstPTX<(outs RegI16:$d),
    209                      (ins RegI16:$a, RegI16:$b),
    210                      !strconcat(opcstr, ".b16\t$d, $a, $b"),
    211                      [(set RegI16:$d, (opnode RegI16:$a, RegI16:$b))]>;
    212   def ri16 : InstPTX<(outs RegI16:$d),
    213                      (ins RegI16:$a, i16imm:$b),
    214                      !strconcat(opcstr, ".b16\t$d, $a, $b"),
    215                      [(set RegI16:$d, (opnode RegI16:$a, imm:$b))]>;
    216   def rr32 : InstPTX<(outs RegI32:$d),
    217                      (ins RegI32:$a, RegI32:$b),
    218                      !strconcat(opcstr, ".b32\t$d, $a, $b"),
    219                      [(set RegI32:$d, (opnode RegI32:$a, RegI32:$b))]>;
    220   def ri32 : InstPTX<(outs RegI32:$d),
    221                      (ins RegI32:$a, i32imm:$b),
    222                      !strconcat(opcstr, ".b32\t$d, $a, $b"),
    223                      [(set RegI32:$d, (opnode RegI32:$a, imm:$b))]>;
    224   def rr64 : InstPTX<(outs RegI64:$d),
    225                      (ins RegI64:$a, RegI64:$b),
    226                      !strconcat(opcstr, ".b64\t$d, $a, $b"),
    227                      [(set RegI64:$d, (opnode RegI64:$a, RegI64:$b))]>;
    228   def ri64 : InstPTX<(outs RegI64:$d),
    229                      (ins RegI64:$a, i64imm:$b),
    230                      !strconcat(opcstr, ".b64\t$d, $a, $b"),
    231                      [(set RegI64:$d, (opnode RegI64:$a, imm:$b))]>;
    232 }
    233 
    234 //===- Integer Shift Instructions - 3 Operand Form ------------------------===//
    235 multiclass PTX_INT3ntnc<string opcstr, SDNode opnode> {
    236   def rr16 : InstPTX<(outs RegI16:$d),
    237                      (ins RegI16:$a, RegI16:$b),
    238                      !strconcat(opcstr, "16\t$d, $a, $b"),
    239                      [(set RegI16:$d, (opnode RegI16:$a, RegI16:$b))]>;
    240   def rr32 : InstPTX<(outs RegI32:$d),
    241                      (ins RegI32:$a, RegI32:$b),
    242                      !strconcat(opcstr, "32\t$d, $a, $b"),
    243                      [(set RegI32:$d, (opnode RegI32:$a, RegI32:$b))]>;
    244   def rr64 : InstPTX<(outs RegI64:$d),
    245                      (ins RegI64:$a, RegI64:$b),
    246                      !strconcat(opcstr, "64\t$d, $a, $b"),
    247                      [(set RegI64:$d, (opnode RegI64:$a, RegI64:$b))]>;
    248   def ri16 : InstPTX<(outs RegI16:$d),
    249                      (ins RegI16:$a, i16imm:$b),
    250                      !strconcat(opcstr, "16\t$d, $a, $b"),
    251                      [(set RegI16:$d, (opnode RegI16:$a, imm:$b))]>;
    252   def ri32 : InstPTX<(outs RegI32:$d),
    253                      (ins RegI32:$a, i32imm:$b),
    254                      !strconcat(opcstr, "32\t$d, $a, $b"),
    255                      [(set RegI32:$d, (opnode RegI32:$a, imm:$b))]>;
    256   def ri64 : InstPTX<(outs RegI64:$d),
    257                      (ins RegI64:$a, i64imm:$b),
    258                      !strconcat(opcstr, "64\t$d, $a, $b"),
    259                      [(set RegI64:$d, (opnode RegI64:$a, imm:$b))]>;
    260   def ir16 : InstPTX<(outs RegI16:$d),
    261                      (ins i16imm:$a, RegI16:$b),
    262                      !strconcat(opcstr, "16\t$d, $a, $b"),
    263                      [(set RegI16:$d, (opnode imm:$a, RegI16:$b))]>;
    264   def ir32 : InstPTX<(outs RegI32:$d),
    265                      (ins i32imm:$a, RegI32:$b),
    266                      !strconcat(opcstr, "32\t$d, $a, $b"),
    267                      [(set RegI32:$d, (opnode imm:$a, RegI32:$b))]>;
    268   def ir64 : InstPTX<(outs RegI64:$d),
    269                      (ins i64imm:$a, RegI64:$b),
    270                      !strconcat(opcstr, "64\t$d, $a, $b"),
    271                      [(set RegI64:$d, (opnode imm:$a, RegI64:$b))]>;
    272 }
    273 
    274 //===- Set Predicate Instructions (Int) - 3/4 Operand Forms ---------------===//
    275 multiclass PTX_SETP_I<RegisterClass RC, string regclsname, Operand immcls,
    276                         CondCode cmp, string cmpstr> {
    277   // TODO support 5-operand format: p|q, a, b, c
    278 
    279   def rr
    280     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b),
    281               !strconcat("setp.", cmpstr, ".", regclsname, "\t$p, $a, $b"),
    282               [(set RegPred:$p, (setcc RC:$a, RC:$b, cmp))]>;
    283   def ri
    284     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b),
    285               !strconcat("setp.", cmpstr, ".", regclsname, "\t$p, $a, $b"),
    286               [(set RegPred:$p, (setcc RC:$a, imm:$b, cmp))]>;
    287 
    288   def rr_and_r
    289     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    290               !strconcat("setp.", cmpstr, ".and.", regclsname,
    291                          "\t$p, $a, $b, $c"),
    292               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, cmp), RegPred:$c))]>;
    293   def ri_and_r
    294     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    295               !strconcat("setp.", cmpstr, ".and.", regclsname,
    296                          "\t$p, $a, $b, $c"),
    297               [(set RegPred:$p, (and (setcc RC:$a, imm:$b, cmp),
    298                                      RegPred:$c))]>;
    299   def rr_or_r
    300     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    301               !strconcat("setp.", cmpstr, ".or.", regclsname,
    302                          "\t$p, $a, $b, $c"),
    303               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, cmp), RegPred:$c))]>;
    304   def ri_or_r
    305     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    306               !strconcat("setp.", cmpstr, ".or.", regclsname,
    307                          "\t$p, $a, $b, $c"),
    308               [(set RegPred:$p, (or (setcc RC:$a, imm:$b, cmp), RegPred:$c))]>;
    309   def rr_xor_r
    310     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    311               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    312                          "\t$p, $a, $b, $c"),
    313               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, cmp), RegPred:$c))]>;
    314   def ri_xor_r
    315     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    316               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    317                          "\t$p, $a, $b, $c"),
    318               [(set RegPred:$p, (xor (setcc RC:$a, imm:$b, cmp),
    319                                      RegPred:$c))]>;
    320 
    321   def rr_and_not_r
    322     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    323               !strconcat("setp.", cmpstr, ".and.", regclsname,
    324                          "\t$p, $a, $b, !$c"),
    325               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, cmp),
    326                                      (not RegPred:$c)))]>;
    327   def ri_and_not_r
    328     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    329               !strconcat("setp.", cmpstr, ".and.", regclsname,
    330                          "\t$p, $a, $b, !$c"),
    331               [(set RegPred:$p, (and (setcc RC:$a, imm:$b, cmp),
    332                                      (not RegPred:$c)))]>;
    333   def rr_or_not_r
    334     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    335               !strconcat("setp.", cmpstr, ".or.", regclsname,
    336                          "\t$p, $a, $b, !$c"),
    337               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, cmp),
    338                                     (not RegPred:$c)))]>;
    339   def ri_or_not_r
    340     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    341               !strconcat("setp.", cmpstr, ".or.", regclsname,
    342                          "\t$p, $a, $b, !$c"),
    343               [(set RegPred:$p, (or (setcc RC:$a, imm:$b, cmp),
    344                                     (not RegPred:$c)))]>;
    345   def rr_xor_not_r
    346     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    347               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    348                          "\t$p, $a, $b, !$c"),
    349               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, cmp),
    350                                      (not RegPred:$c)))]>;
    351   def ri_xor_not_r
    352     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b, RegPred:$c),
    353               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    354                          "\t$p, $a, $b, !$c"),
    355               [(set RegPred:$p, (xor (setcc RC:$a, imm:$b, cmp),
    356                                      (not RegPred:$c)))]>;
    357 }
    358 
    359 //===- Set Predicate Instructions (FP) - 3/4 Operand Form -----------------===//
    360 multiclass PTX_SETP_FP<RegisterClass RC, string regclsname, Operand immcls,
    361                         CondCode ucmp, CondCode ocmp, string cmpstr> {
    362   // TODO support 5-operand format: p|q, a, b, c
    363 
    364   def rr_u
    365     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b),
    366               !strconcat("setp.", cmpstr, "u.", regclsname, "\t$p, $a, $b"),
    367               [(set RegPred:$p, (setcc RC:$a, RC:$b, ucmp))]>;
    368   def rr_o
    369     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b),
    370               !strconcat("setp.", cmpstr, ".", regclsname, "\t$p, $a, $b"),
    371               [(set RegPred:$p, (setcc RC:$a, RC:$b, ocmp))]>;
    372 
    373   def ri_u
    374     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b),
    375               !strconcat("setp.", cmpstr, "u.", regclsname, "\t$p, $a, $b"),
    376               [(set RegPred:$p, (setcc RC:$a, fpimm:$b, ucmp))]>;
    377   def ri_o
    378     : InstPTX<(outs RegPred:$p), (ins RC:$a, immcls:$b),
    379               !strconcat("setp.", cmpstr, ".", regclsname, "\t$p, $a, $b"),
    380               [(set RegPred:$p, (setcc RC:$a, fpimm:$b, ocmp))]>;
    381 
    382   def rr_and_r_u
    383     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    384               !strconcat("setp.", cmpstr, "u.and.", regclsname,
    385                          "\t$p, $a, $b, $c"),
    386               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, ucmp),
    387                                      RegPred:$c))]>;
    388   def rr_and_r_o
    389     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    390               !strconcat("setp.", cmpstr, ".and.", regclsname,
    391                          "\t$p, $a, $b, $c"),
    392               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, ocmp),
    393                                      RegPred:$c))]>;
    394 
    395   def rr_or_r_u
    396     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    397               !strconcat("setp.", cmpstr, "u.or.", regclsname,
    398                          "\t$p, $a, $b, $c"),
    399               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, ucmp), RegPred:$c))]>;
    400   def rr_or_r_o
    401     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    402               !strconcat("setp.", cmpstr, ".or.", regclsname,
    403                          "\t$p, $a, $b, $c"),
    404               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, ocmp), RegPred:$c))]>;
    405 
    406   def rr_xor_r_u
    407     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    408               !strconcat("setp.", cmpstr, "u.xor.", regclsname,
    409                          "\t$p, $a, $b, $c"),
    410               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, ucmp),
    411                                      RegPred:$c))]>;
    412   def rr_xor_r_o
    413     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    414               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    415                          "\t$p, $a, $b, $c"),
    416               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, ocmp),
    417                                      RegPred:$c))]>;
    418 
    419   def rr_and_not_r_u
    420     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    421               !strconcat("setp.", cmpstr, "u.and.", regclsname,
    422                          "\t$p, $a, $b, !$c"),
    423               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, ucmp),
    424                                      (not RegPred:$c)))]>;
    425   def rr_and_not_r_o
    426     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    427               !strconcat("setp.", cmpstr, ".and.", regclsname,
    428                          "\t$p, $a, $b, !$c"),
    429               [(set RegPred:$p, (and (setcc RC:$a, RC:$b, ocmp),
    430                                      (not RegPred:$c)))]>;
    431 
    432   def rr_or_not_r_u
    433     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    434               !strconcat("setp.", cmpstr, "u.or.", regclsname,
    435                          "\t$p, $a, $b, !$c"),
    436               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, ucmp),
    437                                     (not RegPred:$c)))]>;
    438   def rr_or_not_r_o
    439     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    440               !strconcat("setp.", cmpstr, ".or.", regclsname,
    441                          "\t$p, $a, $b, !$c"),
    442               [(set RegPred:$p, (or (setcc RC:$a, RC:$b, ocmp),
    443                                     (not RegPred:$c)))]>;
    444 
    445   def rr_xor_not_r_u
    446     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    447               !strconcat("setp.", cmpstr, "u.xor.", regclsname,
    448                          "\t$p, $a, $b, !$c"),
    449               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, ucmp),
    450                                      (not RegPred:$c)))]>;
    451   def rr_xor_not_r_o
    452     : InstPTX<(outs RegPred:$p), (ins RC:$a, RC:$b, RegPred:$c),
    453               !strconcat("setp.", cmpstr, ".xor.", regclsname,
    454                          "\t$p, $a, $b, !$c"),
    455               [(set RegPred:$p, (xor (setcc RC:$a, RC:$b, ocmp),
    456                                      (not RegPred:$c)))]>;
    457 }
    458 
    459 //===- Select Predicate Instructions - 4 Operand Form ---------------------===//
    460 multiclass PTX_SELP<RegisterClass RC, string regclsname, Operand immcls,
    461                     SDNode immnode> {
    462   def rr
    463     : InstPTX<(outs RC:$r), (ins RegPred:$a, RC:$b, RC:$c),
    464               !strconcat("selp.", regclsname, "\t$r, $b, $c, $a"),
    465               [(set RC:$r, (select RegPred:$a, RC:$b, RC:$c))]>;
    466   def ri
    467     : InstPTX<(outs RC:$r), (ins RegPred:$a, RC:$b, immcls:$c),
    468               !strconcat("selp.", regclsname, "\t$r, $b, $c, $a"),
    469               [(set RC:$r, (select RegPred:$a, RC:$b, immnode:$c))]>;
    470   def ii
    471     : InstPTX<(outs RC:$r), (ins RegPred:$a, immcls:$b, immcls:$c),
    472               !strconcat("selp.", regclsname, "\t$r, $b, $c, $a"),
    473               [(set RC:$r, (select RegPred:$a, immnode:$b, immnode:$c))]>;
    474 }
    475 
    476 
    477 
    478 //===----------------------------------------------------------------------===//
    479 // Instructions
    480 //===----------------------------------------------------------------------===//
    481 
    482 ///===- Integer Arithmetic Instructions -----------------------------------===//
    483 
    484 defm ADD  : PTX_INT3<"add", add>;
    485 defm SUB  : PTX_INT3<"sub", sub>;
    486 defm MUL  : PTX_INT3<"mul.lo", mul>; // FIXME: Allow 32x32 -> 64 multiplies
    487 defm DIV  : PTX_INT3<"div", udiv>;
    488 defm SDIV : PTX_INT3_SIGNED<"div", sdiv>;
    489 defm REM  : PTX_INT3<"rem", urem>;
    490 
    491 ///===- Floating-Point Arithmetic Instructions ----------------------------===//
    492 
    493 // FNEG
    494 defm FNEG : PTX_FLOAT_2OP<"neg">;
    495 
    496 // Standard Binary Operations
    497 defm FADD : PTX_FLOAT_3OP<"add">;
    498 defm FSUB : PTX_FLOAT_3OP<"sub">;
    499 defm FMUL : PTX_FLOAT_3OP<"mul">;
    500 defm FDIV : PTX_FLOAT_3OP<"div">;
    501 
    502 // Multi-operation hybrid instructions
    503 defm FMAD : PTX_FLOAT_4OP<"mad">, Requires<[SupportsFMA]>;
    504 
    505 
    506 ///===- Floating-Point Intrinsic Instructions -----------------------------===//
    507 
    508 // SQRT
    509 def FSQRTrr32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegF32:$a),
    510                         "sqrt$r.f32\t$d, $a", []>;
    511 def FSQRTri32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, f32imm:$a),
    512                         "sqrt$r.f32\t$d, $a", []>;
    513 def FSQRTrr64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegF64:$a),
    514                         "sqrt$r.f64\t$d, $a", []>;
    515 def FSQRTri64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, f64imm:$a),
    516                         "sqrt$r.f64\t$d, $a", []>;
    517 
    518 // SIN
    519 def FSINrr32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegF32:$a),
    520                        "sin$r.f32\t$d, $a", []>;
    521 def FSINri32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, f32imm:$a),
    522                        "sin$r.f32\t$d, $a", []>;
    523 def FSINrr64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegF64:$a),
    524                        "sin$r.f64\t$d, $a", []>;
    525 def FSINri64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, f64imm:$a),
    526                        "sin$r.f64\t$d, $a", []>;
    527 
    528 // COS
    529 def FCOSrr32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegF32:$a),
    530                        "cos$r.f32\t$d, $a", []>;
    531 def FCOSri32 : InstPTX<(outs RegF32:$d), (ins RndMode:$r, f32imm:$a),
    532                        "cos$r.f32\t$d, $a", []>;
    533 def FCOSrr64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegF64:$a),
    534                        "cos$r.f64\t$d, $a", []>;
    535 def FCOSri64 : InstPTX<(outs RegF64:$d), (ins RndMode:$r, f64imm:$a),
    536                        "cos$r.f64\t$d, $a", []>;
    537 
    538 
    539 
    540 
    541 ///===- Comparison and Selection Instructions -----------------------------===//
    542 
    543 // .setp
    544 
    545 // Compare u16
    546 
    547 defm SETPEQu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETEQ,  "eq">;
    548 defm SETPNEu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETNE,  "ne">;
    549 defm SETPLTu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETULT, "lt">;
    550 defm SETPLEu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETULE, "le">;
    551 defm SETPGTu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETUGT, "gt">;
    552 defm SETPGEu16 : PTX_SETP_I<RegI16, "u16", i16imm, SETUGE, "ge">;
    553 defm SETPLTs16 : PTX_SETP_I<RegI16, "s16", i16imm, SETLT,  "lt">;
    554 defm SETPLEs16 : PTX_SETP_I<RegI16, "s16", i16imm, SETLE,  "le">;
    555 defm SETPGTs16 : PTX_SETP_I<RegI16, "s16", i16imm, SETGT,  "gt">;
    556 defm SETPGEs16 : PTX_SETP_I<RegI16, "s16", i16imm, SETGE,  "ge">;
    557 
    558 // Compare u32
    559 
    560 defm SETPEQu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETEQ,  "eq">;
    561 defm SETPNEu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETNE,  "ne">;
    562 defm SETPLTu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETULT, "lt">;
    563 defm SETPLEu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETULE, "le">;
    564 defm SETPGTu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETUGT, "gt">;
    565 defm SETPGEu32 : PTX_SETP_I<RegI32, "u32", i32imm, SETUGE, "ge">;
    566 defm SETPLTs32 : PTX_SETP_I<RegI32, "s32", i32imm, SETLT,  "lt">;
    567 defm SETPLEs32 : PTX_SETP_I<RegI32, "s32", i32imm, SETLE,  "le">;
    568 defm SETPGTs32 : PTX_SETP_I<RegI32, "s32", i32imm, SETGT,  "gt">;
    569 defm SETPGEs32 : PTX_SETP_I<RegI32, "s32", i32imm, SETGE,  "ge">;
    570 
    571 // Compare u64
    572 
    573 defm SETPEQu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETEQ,  "eq">;
    574 defm SETPNEu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETNE,  "ne">;
    575 defm SETPLTu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETULT, "lt">;
    576 defm SETPLEu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETULE, "le">;
    577 defm SETPGTu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETUGT, "gt">;
    578 defm SETPGEu64 : PTX_SETP_I<RegI64, "u64", i64imm, SETUGE, "ge">;
    579 defm SETPLTs64 : PTX_SETP_I<RegI64, "s64", i64imm, SETLT,  "lt">;
    580 defm SETPLEs64 : PTX_SETP_I<RegI64, "s64", i64imm, SETLE,  "le">;
    581 defm SETPGTs64 : PTX_SETP_I<RegI64, "s64", i64imm, SETGT,  "gt">;
    582 defm SETPGEs64 : PTX_SETP_I<RegI64, "s64", i64imm, SETGE,  "ge">;
    583 
    584 // Compare f32
    585 
    586 defm SETPEQf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETUEQ, SETOEQ, "eq">;
    587 defm SETPNEf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETUNE, SETONE, "ne">;
    588 defm SETPLTf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETULT, SETOLT, "lt">;
    589 defm SETPLEf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETULE, SETOLE, "le">;
    590 defm SETPGTf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETUGT, SETOGT, "gt">;
    591 defm SETPGEf32 : PTX_SETP_FP<RegF32, "f32", f32imm, SETUGE, SETOGE, "ge">;
    592 
    593 // Compare f64
    594 
    595 defm SETPEQf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETUEQ, SETOEQ, "eq">;
    596 defm SETPNEf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETUNE, SETONE, "ne">;
    597 defm SETPLTf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETULT, SETOLT, "lt">;
    598 defm SETPLEf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETULE, SETOLE, "le">;
    599 defm SETPGTf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETUGT, SETOGT, "gt">;
    600 defm SETPGEf64 : PTX_SETP_FP<RegF64, "f64", f64imm, SETUGE, SETOGE, "ge">;
    601 
    602 // .selp
    603 
    604 defm SELPi16 : PTX_SELP<RegI16, "u16", i16imm, imm>;
    605 defm SELPi32 : PTX_SELP<RegI32, "u32", i32imm, imm>;
    606 defm SELPi64 : PTX_SELP<RegI64, "u64", i64imm, imm>;
    607 defm SELPf32 : PTX_SELP<RegF32, "f32", f32imm, fpimm>;
    608 defm SELPf64 : PTX_SELP<RegF64, "f64", f64imm, fpimm>;
    609 
    610 ///===- Logic and Shift Instructions --------------------------------------===//
    611 
    612 defm SHL : PTX_INT3ntnc<"shl.b", PTXshl>;
    613 defm SRL : PTX_INT3ntnc<"shr.u", PTXsrl>;
    614 defm SRA : PTX_INT3ntnc<"shr.s", PTXsra>;
    615 
    616 defm AND : PTX_LOGIC<"and", and>;
    617 defm OR  : PTX_LOGIC<"or",  or>;
    618 defm XOR : PTX_LOGIC<"xor", xor>;
    619 
    620 ///===- Data Movement and Conversion Instructions -------------------------===//
    621 
    622 // any_extend
    623 // Implement the anyext instruction in terms of the PTX cvt instructions.
    624 //def : Pat<(i32 (anyext RegI16:$a)), (CVT_u32_u16 RegI16:$a)>;
    625 //def : Pat<(i64 (anyext RegI16:$a)), (CVT_u64_u16 RegI16:$a)>;
    626 //def : Pat<(i64 (anyext RegI32:$a)), (CVT_u64_u32 RegI32:$a)>;
    627 
    628 // bitconvert
    629 // These instructions implement the bit-wise conversion between integer and
    630 // floating-point types.
    631 def MOVi32f32
    632   : InstPTX<(outs RegI32:$d), (ins RegF32:$a), "mov.b32\t$d, $a", []>;
    633 def MOVf32i32
    634   : InstPTX<(outs RegF32:$d), (ins RegI32:$a), "mov.b32\t$d, $a", []>;
    635 def MOVi64f64
    636   : InstPTX<(outs RegI64:$d), (ins RegF64:$a), "mov.b64\t$d, $a", []>;
    637 def MOVf64i64
    638   : InstPTX<(outs RegF64:$d), (ins RegI64:$a), "mov.b64\t$d, $a", []>;
    639 
    640 let neverHasSideEffects = 1 in {
    641   def MOVPREDrr
    642     : InstPTX<(outs RegPred:$d), (ins RegPred:$a), "mov.pred\t$d, $a", []>;
    643   def MOVU16rr
    644     : InstPTX<(outs RegI16:$d), (ins RegI16:$a), "mov.u16\t$d, $a", []>;
    645   def MOVU32rr
    646     : InstPTX<(outs RegI32:$d), (ins RegI32:$a), "mov.u32\t$d, $a", []>;
    647   def MOVU64rr
    648     : InstPTX<(outs RegI64:$d), (ins RegI64:$a), "mov.u64\t$d, $a", []>;
    649   def MOVF32rr
    650     : InstPTX<(outs RegF32:$d), (ins RegF32:$a), "mov.f32\t$d, $a", []>;
    651   def MOVF64rr
    652     : InstPTX<(outs RegF64:$d), (ins RegF64:$a), "mov.f64\t$d, $a", []>;
    653 }
    654 
    655 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
    656   def MOVPREDri
    657     : InstPTX<(outs RegPred:$d), (ins i1imm:$a), "mov.pred\t$d, $a",
    658               [(set RegPred:$d, imm:$a)]>;
    659   def MOVU16ri
    660     : InstPTX<(outs RegI16:$d), (ins i16imm:$a), "mov.u16\t$d, $a",
    661               [(set RegI16:$d, imm:$a)]>;
    662   def MOVU32ri
    663     : InstPTX<(outs RegI32:$d), (ins i32imm:$a), "mov.u32\t$d, $a",
    664               [(set RegI32:$d, imm:$a)]>;
    665   def MOVU64ri
    666     : InstPTX<(outs RegI64:$d), (ins i64imm:$a), "mov.u64\t$d, $a",
    667               [(set RegI64:$d, imm:$a)]>;
    668   def MOVF32ri
    669     : InstPTX<(outs RegF32:$d), (ins f32imm:$a), "mov.f32\t$d, $a",
    670               [(set RegF32:$d, fpimm:$a)]>;
    671   def MOVF64ri
    672     : InstPTX<(outs RegF64:$d), (ins f64imm:$a), "mov.f64\t$d, $a",
    673               [(set RegF64:$d, fpimm:$a)]>;
    674 }
    675 
    676 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
    677   def MOVaddr32
    678     : InstPTX<(outs RegI32:$d), (ins i32imm:$a), "mov.u32\t$d, $a",
    679               [(set RegI32:$d, (PTXcopyaddress tglobaladdr:$a))]>;
    680   def MOVaddr64
    681     : InstPTX<(outs RegI64:$d), (ins i64imm:$a), "mov.u64\t$d, $a",
    682               [(set RegI64:$d, (PTXcopyaddress tglobaladdr:$a))]>;
    683 }
    684 
    685 // PTX cvt instructions
    686 // Note all of these may actually be used, we just define all possible patterns
    687 // here (that make sense).
    688 // FIXME: Can we collapse this somehow into a multiclass def?
    689 
    690 // To i16
    691 def CVTu16u32
    692   : InstPTX<(outs RegI16:$d), (ins RegI32:$a), "cvt.u16.u32\t$d, $a", []>;
    693 def CVTu16u64
    694   : InstPTX<(outs RegI16:$d), (ins RegI64:$a), "cvt.u16.u64\t$d, $a", []>;
    695 def CVTu16f32
    696   : InstPTX<(outs RegI16:$d), (ins RndMode:$r, RegF32:$a),
    697             "cvt$r.u16.f32\t$d, $a", []>;
    698 def CVTs16f32
    699   : InstPTX<(outs RegI16:$d), (ins RndMode:$r, RegF32:$a),
    700             "cvt$r.s16.f32\t$d, $a", []>;
    701 def CVTu16f64
    702   : InstPTX<(outs RegI16:$d), (ins RndMode:$r, RegF64:$a),
    703             "cvt$r.u16.f64\t$d, $a", []>;
    704 def CVTs16f64
    705   : InstPTX<(outs RegI16:$d), (ins RndMode:$r, RegF64:$a),
    706             "cvt$r.s16.f64\t$d, $a", []>;
    707 
    708 // To i32
    709 def CVTu32u16
    710   : InstPTX<(outs RegI32:$d), (ins RegI16:$a), "cvt.u32.u16\t$d, $a", []>;
    711 def CVTs32s16
    712   : InstPTX<(outs RegI32:$d), (ins RegI16:$a), "cvt.s32.s16\t$d, $a", []>;
    713 def CVTu32u64
    714   : InstPTX<(outs RegI32:$d), (ins RegI64:$a), "cvt.u32.u64\t$d, $a", []>;
    715 def CVTu32f32
    716   : InstPTX<(outs RegI32:$d), (ins RndMode:$r, RegF32:$a),
    717             "cvt$r.u32.f32\t$d, $a", []>;
    718 def CVTs32f32
    719   : InstPTX<(outs RegI32:$d), (ins RndMode:$r, RegF32:$a),
    720             "cvt$r.s32.f32\t$d, $a", []>;
    721 def CVTu32f64
    722   : InstPTX<(outs RegI32:$d), (ins RndMode:$r, RegF64:$a),
    723             "cvt$r.u32.f64\t$d, $a", []>;
    724 def CVTs32f64
    725   : InstPTX<(outs RegI32:$d), (ins RndMode:$r, RegF64:$a),
    726             "cvt$r.s32.f64\t$d, $a", []>;
    727 
    728 // To i64
    729 def CVTu64u16
    730   : InstPTX<(outs RegI64:$d), (ins RegI16:$a), "cvt.u64.u16\t$d, $a", []>;
    731 def CVTs64s16
    732   : InstPTX<(outs RegI64:$d), (ins RegI16:$a), "cvt.s64.s16\t$d, $a", []>;
    733 def CVTu64u32
    734   : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.u64.u32\t$d, $a", []>;
    735 def CVTs64s32
    736   : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.s64.s32\t$d, $a", []>;
    737 def CVTu64f32
    738   : InstPTX<(outs RegI64:$d), (ins RndMode:$r, RegF32:$a),
    739             "cvt$r.u64.f32\t$d, $a", []>;
    740 def CVTs64f32
    741   : InstPTX<(outs RegI64:$d), (ins RndMode:$r, RegF32:$a),
    742             "cvt$r.s64.f32\t$d, $a", []>;
    743 def CVTu64f64
    744   : InstPTX<(outs RegI64:$d), (ins RndMode:$r, RegF64:$a),
    745             "cvt$r.u64.f64\t$d, $a", []>;
    746 def CVTs64f64
    747   : InstPTX<(outs RegI64:$d), (ins RndMode:$r, RegF64:$a),
    748             "cvt$r.s64.f64\t$d, $a", []>;
    749 
    750 // To f32
    751 def CVTf32u16
    752   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI16:$a),
    753             "cvt$r.f32.u16\t$d, $a", []>;
    754 def CVTf32s16
    755   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI16:$a),
    756             "cvt$r.f32.s16\t$d, $a", []>;
    757 def CVTf32u32
    758   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI32:$a),
    759             "cvt$r.f32.u32\t$d, $a", []>;
    760 def CVTf32s32
    761   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI32:$a),
    762             "cvt$r.f32.s32\t$d, $a", []>;
    763 def CVTf32u64
    764   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI64:$a),
    765             "cvt$r.f32.u64\t$d, $a", []>;
    766 def CVTf32s64
    767   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegI64:$a),
    768             "cvt$r.f32.s64\t$d, $a", []>;
    769 def CVTf32f64
    770   : InstPTX<(outs RegF32:$d), (ins RndMode:$r, RegF64:$a),
    771             "cvt$r.f32.f64\t$d, $a", []>;
    772 
    773 // To f64
    774 def CVTf64u16
    775   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI16:$a),
    776             "cvt$r.f64.u16\t$d, $a", []>;
    777 def CVTf64s16
    778   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI16:$a),
    779             "cvt$r.f64.s16\t$d, $a", []>;
    780 def CVTf64u32
    781   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI32:$a),
    782             "cvt$r.f64.u32\t$d, $a", []>;
    783 def CVTf64s32
    784   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI32:$a),
    785             "cvt$r.f64.s32\t$d, $a", []>;
    786 def CVTf64u64
    787   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI64:$a),
    788             "cvt$r.f64.u64\t$d, $a", []>;
    789 def CVTf64s64
    790   : InstPTX<(outs RegF64:$d), (ins RndMode:$r, RegI64:$a),
    791             "cvt$r.f64.s64\t$d, $a", []>;
    792 def CVTf64f32
    793   : InstPTX<(outs RegF64:$d), (ins RegF32:$a), "cvt.f64.f32\t$d, $a", []>;
    794 
    795   ///===- Control Flow Instructions -----------------------------------------===//
    796 
    797 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
    798   def BRAd
    799     : InstPTX<(outs), (ins brtarget:$d), "bra\t$d", [(br bb:$d)]>;
    800 }
    801 
    802 let isBranch = 1, isTerminator = 1 in {
    803   // FIXME: The pattern part is blank because I cannot (or do not yet know
    804   // how to) use the first operand of PredicateOperand (a RegPred register) here
    805   def BRAdp
    806     : InstPTX<(outs), (ins brtarget:$d), "bra\t$d",
    807               [/*(brcond pred:$_p, bb:$d)*/]>;
    808 }
    809 
    810 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
    811   def EXIT : InstPTX<(outs), (ins), "exit", [(PTXexit)]>;
    812   def RET  : InstPTX<(outs), (ins), "ret",  [(PTXret)]>;
    813 }
    814 
    815 let hasSideEffects = 1 in {
    816   def CALL : InstPTX<(outs), (ins), "call", [(PTXcall)]>;
    817 }
    818 
    819 ///===- Parameter Passing Pseudo-Instructions -----------------------------===//
    820 
    821 def READPARAMPRED : InstPTX<(outs RegPred:$a), (ins i32imm:$b),
    822                             "mov.pred\t$a, %param$b", []>;
    823 def READPARAMI16  : InstPTX<(outs RegI16:$a), (ins i32imm:$b),
    824                             "mov.b16\t$a, %param$b", []>;
    825 def READPARAMI32  : InstPTX<(outs RegI32:$a), (ins i32imm:$b),
    826                             "mov.b32\t$a, %param$b", []>;
    827 def READPARAMI64  : InstPTX<(outs RegI64:$a), (ins i32imm:$b),
    828                             "mov.b64\t$a, %param$b", []>;
    829 def READPARAMF32  : InstPTX<(outs RegF32:$a), (ins i32imm:$b),
    830                             "mov.f32\t$a, %param$b", []>;
    831 def READPARAMF64  : InstPTX<(outs RegF64:$a), (ins i32imm:$b),
    832                             "mov.f64\t$a, %param$b", []>;
    833 
    834 def WRITEPARAMPRED : InstPTX<(outs), (ins RegPred:$a), "//w", []>;
    835 def WRITEPARAMI16  : InstPTX<(outs), (ins RegI16:$a), "//w", []>;
    836 def WRITEPARAMI32  : InstPTX<(outs), (ins RegI32:$a), "//w", []>;
    837 def WRITEPARAMI64  : InstPTX<(outs), (ins RegI64:$a), "//w", []>;
    838 def WRITEPARAMF32  : InstPTX<(outs), (ins RegF32:$a), "//w", []>;
    839 def WRITEPARAMF64  : InstPTX<(outs), (ins RegF64:$a), "//w", []>;
    840 
    841 
    842 //===----------------------------------------------------------------------===//
    843 // Instruction Selection Patterns
    844 //===----------------------------------------------------------------------===//
    845 
    846 // FADD
    847 def : Pat<(f32 (fadd RegF32:$a, RegF32:$b)),
    848           (FADDrr32 RndDefault, RegF32:$a, RegF32:$b)>;
    849 def : Pat<(f32 (fadd RegF32:$a, fpimm:$b)),
    850           (FADDri32 RndDefault, RegF32:$a, fpimm:$b)>;
    851 def : Pat<(f64 (fadd RegF64:$a, RegF64:$b)),
    852           (FADDrr64 RndDefault, RegF64:$a, RegF64:$b)>;
    853 def : Pat<(f64 (fadd RegF64:$a, fpimm:$b)),
    854           (FADDri64 RndDefault, RegF64:$a, fpimm:$b)>;
    855 
    856 // FSUB
    857 def : Pat<(f32 (fsub RegF32:$a, RegF32:$b)),
    858           (FSUBrr32 RndDefault, RegF32:$a, RegF32:$b)>;
    859 def : Pat<(f32 (fsub RegF32:$a, fpimm:$b)),
    860           (FSUBri32 RndDefault, RegF32:$a, fpimm:$b)>;
    861 def : Pat<(f64 (fsub RegF64:$a, RegF64:$b)),
    862           (FSUBrr64 RndDefault, RegF64:$a, RegF64:$b)>;
    863 def : Pat<(f64 (fsub RegF64:$a, fpimm:$b)),
    864           (FSUBri64 RndDefault, RegF64:$a, fpimm:$b)>;
    865 
    866 // FMUL
    867 def : Pat<(f32 (fmul RegF32:$a, RegF32:$b)),
    868           (FMULrr32 RndDefault, RegF32:$a, RegF32:$b)>;
    869 def : Pat<(f32 (fmul RegF32:$a, fpimm:$b)),
    870           (FMULri32 RndDefault, RegF32:$a, fpimm:$b)>;
    871 def : Pat<(f64 (fmul RegF64:$a, RegF64:$b)),
    872           (FMULrr64 RndDefault, RegF64:$a, RegF64:$b)>;
    873 def : Pat<(f64 (fmul RegF64:$a, fpimm:$b)),
    874           (FMULri64 RndDefault, RegF64:$a, fpimm:$b)>;
    875 
    876 // FDIV
    877 def : Pat<(f32 (fdiv RegF32:$a, RegF32:$b)),
    878           (FDIVrr32 RndDefault, RegF32:$a, RegF32:$b)>;
    879 def : Pat<(f32 (fdiv RegF32:$a, fpimm:$b)),
    880           (FDIVri32 RndDefault, RegF32:$a, fpimm:$b)>;
    881 def : Pat<(f64 (fdiv RegF64:$a, RegF64:$b)),
    882           (FDIVrr64 RndDefault, RegF64:$a, RegF64:$b)>;
    883 def : Pat<(f64 (fdiv RegF64:$a, fpimm:$b)),
    884           (FDIVri64 RndDefault, RegF64:$a, fpimm:$b)>;
    885 
    886 // FMUL+FADD
    887 def : Pat<(f32 (fadd (fmul RegF32:$a, RegF32:$b), RegF32:$c)),
    888           (FMADrrr32 RndDefault, RegF32:$a, RegF32:$b, RegF32:$c)>,
    889           Requires<[SupportsFMA]>;
    890 def : Pat<(f32 (fadd (fmul RegF32:$a, RegF32:$b), fpimm:$c)),
    891           (FMADrri32 RndDefault, RegF32:$a, RegF32:$b, fpimm:$c)>,
    892           Requires<[SupportsFMA]>;
    893 def : Pat<(f32 (fadd (fmul RegF32:$a, fpimm:$b), fpimm:$c)),
    894           (FMADrrr32 RndDefault, RegF32:$a, fpimm:$b, fpimm:$c)>,
    895           Requires<[SupportsFMA]>;
    896 def : Pat<(f32 (fadd (fmul RegF32:$a, RegF32:$b), fpimm:$c)),
    897           (FMADrri32 RndDefault, RegF32:$a, RegF32:$b, fpimm:$c)>,
    898           Requires<[SupportsFMA]>;
    899 def : Pat<(f64 (fadd (fmul RegF64:$a, RegF64:$b), RegF64:$c)),
    900           (FMADrrr64 RndDefault, RegF64:$a, RegF64:$b, RegF64:$c)>,
    901           Requires<[SupportsFMA]>;
    902 def : Pat<(f64 (fadd (fmul RegF64:$a, RegF64:$b), fpimm:$c)),
    903           (FMADrri64 RndDefault, RegF64:$a, RegF64:$b, fpimm:$c)>,
    904           Requires<[SupportsFMA]>;
    905 def : Pat<(f64 (fadd (fmul RegF64:$a, fpimm:$b), fpimm:$c)),
    906           (FMADrri64 RndDefault, RegF64:$a, fpimm:$b, fpimm:$c)>,
    907           Requires<[SupportsFMA]>;
    908 
    909 // FNEG
    910 def : Pat<(f32 (fneg RegF32:$a)), (FNEGrr32 RndDefault, RegF32:$a)>;
    911 def : Pat<(f32 (fneg fpimm:$a)), (FNEGri32 RndDefault, fpimm:$a)>;
    912 def : Pat<(f64 (fneg RegF64:$a)), (FNEGrr64 RndDefault, RegF64:$a)>;
    913 def : Pat<(f64 (fneg fpimm:$a)), (FNEGri64 RndDefault, fpimm:$a)>;
    914 
    915 // FSQRT
    916 def : Pat<(f32 (fsqrt RegF32:$a)), (FSQRTrr32 RndDefault, RegF32:$a)>;
    917 def : Pat<(f32 (fsqrt fpimm:$a)), (FSQRTri32 RndDefault, fpimm:$a)>;
    918 def : Pat<(f64 (fsqrt RegF64:$a)), (FSQRTrr64 RndDefault, RegF64:$a)>;
    919 def : Pat<(f64 (fsqrt fpimm:$a)), (FSQRTri64 RndDefault, fpimm:$a)>;
    920 
    921 // FSIN
    922 def : Pat<(f32 (fsin RegF32:$a)), (FSINrr32 RndDefault, RegF32:$a)>;
    923 def : Pat<(f32 (fsin fpimm:$a)), (FSINri32 RndDefault, fpimm:$a)>;
    924 def : Pat<(f64 (fsin RegF64:$a)), (FSINrr64 RndDefault, RegF64:$a)>;
    925 def : Pat<(f64 (fsin fpimm:$a)), (FSINri64 RndDefault, fpimm:$a)>;
    926 
    927 // FCOS
    928 def : Pat<(f32 (fcos RegF32:$a)), (FCOSrr32 RndDefault, RegF32:$a)>;
    929 def : Pat<(f32 (fcos fpimm:$a)), (FCOSri32 RndDefault, fpimm:$a)>;
    930 def : Pat<(f64 (fcos RegF64:$a)), (FCOSrr64 RndDefault, RegF64:$a)>;
    931 def : Pat<(f64 (fcos fpimm:$a)), (FCOSri64 RndDefault, fpimm:$a)>;
    932 
    933 // Type conversion notes:
    934 // - PTX does not directly support converting a predicate to a value, so we
    935 //   use a select instruction to select either 0 or 1 (integer or fp) based
    936 //   on the truth value of the predicate.
    937 // - PTX does not directly support converting to a predicate type, so we fake it
    938 //   by performing a greater-than test between the value and zero.  This follows
    939 //   the C convention that any non-zero value is equivalent to 'true'.
    940 
    941 // Conversion to pred
    942 def : Pat<(i1 (trunc RegI16:$a)),      (SETPGTu16ri RegI16:$a, 0)>;
    943 def : Pat<(i1 (trunc RegI32:$a)),      (SETPGTu32ri RegI32:$a, 0)>;
    944 def : Pat<(i1 (trunc RegI64:$a)),      (SETPGTu64ri RegI64:$a, 0)>;
    945 def : Pat<(i1 (fp_to_uint RegF32:$a)), (SETPGTu32ri (MOVi32f32 RegF32:$a), 0)>;
    946 def : Pat<(i1 (fp_to_uint RegF64:$a)), (SETPGTu64ri (MOVi64f64 RegF64:$a), 0)>;
    947 
    948 // Conversion to u16
    949 def : Pat<(i16 (anyext RegPred:$a)),    (SELPi16ii RegPred:$a, 1, 0)>;
    950 def : Pat<(i16 (sext RegPred:$a)),      (SELPi16ii RegPred:$a, 0xFFFF, 0)>;
    951 def : Pat<(i16 (zext RegPred:$a)),      (SELPi16ii RegPred:$a, 1, 0)>;
    952 def : Pat<(i16 (trunc RegI32:$a)),      (CVTu16u32 RegI32:$a)>;
    953 def : Pat<(i16 (trunc RegI64:$a)),      (CVTu16u64 RegI64:$a)>;
    954 def : Pat<(i16 (fp_to_uint RegF32:$a)), (CVTu16f32 RndDefault, RegF32:$a)>;
    955 def : Pat<(i16 (fp_to_sint RegF32:$a)), (CVTs16f32 RndDefault, RegF32:$a)>;
    956 def : Pat<(i16 (fp_to_uint RegF64:$a)), (CVTu16f64 RndDefault, RegF64:$a)>;
    957 def : Pat<(i16 (fp_to_sint RegF64:$a)), (CVTs16f64 RndDefault, RegF64:$a)>;
    958 
    959 // Conversion to u32
    960 def : Pat<(i32 (anyext RegPred:$a)),    (SELPi32ii RegPred:$a, 1, 0)>;
    961 def : Pat<(i32 (sext RegPred:$a)),      (SELPi32ii RegPred:$a, 0xFFFFFFFF, 0)>;
    962 def : Pat<(i32 (zext RegPred:$a)),      (SELPi32ii RegPred:$a, 1, 0)>;
    963 def : Pat<(i32 (anyext RegI16:$a)),     (CVTu32u16 RegI16:$a)>;
    964 def : Pat<(i32 (sext RegI16:$a)),       (CVTs32s16 RegI16:$a)>;
    965 def : Pat<(i32 (zext RegI16:$a)),       (CVTu32u16 RegI16:$a)>;
    966 def : Pat<(i32 (trunc RegI64:$a)),      (CVTu32u64 RegI64:$a)>;
    967 def : Pat<(i32 (fp_to_uint RegF32:$a)), (CVTu32f32 RndDefault, RegF32:$a)>;
    968 def : Pat<(i32 (fp_to_sint RegF32:$a)), (CVTs32f32 RndDefault, RegF32:$a)>;
    969 def : Pat<(i32 (fp_to_uint RegF64:$a)), (CVTu32f64 RndDefault, RegF64:$a)>;
    970 def : Pat<(i32 (fp_to_sint RegF64:$a)), (CVTs32f64 RndDefault, RegF64:$a)>;
    971 def : Pat<(i32 (bitconvert RegF32:$a)), (MOVi32f32 RegF32:$a)>;
    972 
    973 // Conversion to u64
    974 def : Pat<(i64 (anyext RegPred:$a)),    (SELPi64ii RegPred:$a, 1, 0)>;
    975 def : Pat<(i64 (sext RegPred:$a)),      (SELPi64ii RegPred:$a,
    976                                          0xFFFFFFFFFFFFFFFF, 0)>;
    977 def : Pat<(i64 (zext RegPred:$a)),      (SELPi64ii RegPred:$a, 1, 0)>;
    978 def : Pat<(i64 (anyext RegI16:$a)),     (CVTu64u16 RegI16:$a)>;
    979 def : Pat<(i64 (sext RegI16:$a)),       (CVTs64s16 RegI16:$a)>;
    980 def : Pat<(i64 (zext RegI16:$a)),       (CVTu64u16 RegI16:$a)>;
    981 def : Pat<(i64 (anyext RegI32:$a)),     (CVTu64u32 RegI32:$a)>;
    982 def : Pat<(i64 (sext RegI32:$a)),       (CVTs64s32 RegI32:$a)>;
    983 def : Pat<(i64 (zext RegI32:$a)),       (CVTu64u32 RegI32:$a)>;
    984 def : Pat<(i64 (fp_to_uint RegF32:$a)), (CVTu64f32 RndDefault, RegF32:$a)>;
    985 def : Pat<(i64 (fp_to_sint RegF32:$a)), (CVTs64f32 RndDefault, RegF32:$a)>;
    986 def : Pat<(i64 (fp_to_uint RegF64:$a)), (CVTu64f64 RndDefault, RegF64:$a)>;
    987 def : Pat<(i64 (fp_to_sint RegF64:$a)), (CVTs64f64 RndDefault, RegF64:$a)>;
    988 def : Pat<(i64 (bitconvert RegF64:$a)), (MOVi64f64 RegF64:$a)>;
    989 
    990 // Conversion to f32
    991 def : Pat<(f32 (uint_to_fp RegPred:$a)), (SELPf32rr RegPred:$a,
    992                                         (MOVf32i32 0x3F800000), (MOVf32i32 0))>;
    993 def : Pat<(f32 (uint_to_fp RegI16:$a)),  (CVTf32u16 RndDefault, RegI16:$a)>;
    994 def : Pat<(f32 (sint_to_fp RegI16:$a)),  (CVTf32s16 RndDefault, RegI16:$a)>;
    995 def : Pat<(f32 (uint_to_fp RegI32:$a)),  (CVTf32u32 RndDefault, RegI32:$a)>;
    996 def : Pat<(f32 (sint_to_fp RegI32:$a)),  (CVTf32s32 RndDefault, RegI32:$a)>;
    997 def : Pat<(f32 (uint_to_fp RegI64:$a)),  (CVTf32u64 RndDefault, RegI64:$a)>;
    998 def : Pat<(f32 (sint_to_fp RegI64:$a)),  (CVTf32s64 RndDefault, RegI64:$a)>;
    999 def : Pat<(f32 (fround RegF64:$a)),      (CVTf32f64 RndDefault, RegF64:$a)>;
   1000 def : Pat<(f32 (bitconvert RegI32:$a)),  (MOVf32i32 RegI32:$a)>;
   1001 
   1002 // Conversion to f64
   1003 def : Pat<(f64 (uint_to_fp RegPred:$a)), (SELPf64rr RegPred:$a,
   1004                                 (MOVf64i64 0x3F80000000000000), (MOVf64i64 0))>;
   1005 def : Pat<(f64 (uint_to_fp RegI16:$a)), (CVTf64u16 RndDefault, RegI16:$a)>;
   1006 def : Pat<(f64 (sint_to_fp RegI16:$a)), (CVTf64s16 RndDefault, RegI16:$a)>;
   1007 def : Pat<(f64 (uint_to_fp RegI32:$a)), (CVTf64u32 RndDefault, RegI32:$a)>;
   1008 def : Pat<(f64 (sint_to_fp RegI32:$a)), (CVTf64s32 RndDefault, RegI32:$a)>;
   1009 def : Pat<(f64 (uint_to_fp RegI64:$a)), (CVTf64u64 RndDefault, RegI64:$a)>;
   1010 def : Pat<(f64 (sint_to_fp RegI64:$a)), (CVTf64s64 RndDefault, RegI64:$a)>;
   1011 def : Pat<(f64 (fextend RegF32:$a)),    (CVTf64f32 RegF32:$a)>;
   1012 def : Pat<(f64 (bitconvert RegI64:$a)), (MOVf64i64 RegI64:$a)>;
   1013 
   1014 
   1015 ///===- Intrinsic Instructions --------------------------------------------===//
   1016 include "PTXIntrinsicInstrInfo.td"
   1017 
   1018 ///===- Load/Store Instructions -------------------------------------------===//
   1019 include "PTXInstrLoadStore.td"
   1020 
   1021