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      1 //===-- EvergreenInstructions.td - EG Instruction defs  ----*- tablegen -*-===//
      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 // TableGen definitions for instructions which are:
     11 // - Available to Evergreen and newer VLIW4/VLIW5 GPUs
     12 // - Available only on Evergreen family GPUs.
     13 //
     14 //===----------------------------------------------------------------------===//
     15 
     16 def isEG : Predicate<
     17   "Subtarget->getGeneration() >= AMDGPUSubtarget::EVERGREEN && "
     18   "Subtarget->getGeneration() < AMDGPUSubtarget::SOUTHERN_ISLANDS && "
     19   "!Subtarget->hasCaymanISA()"
     20 >;
     21 
     22 def isEGorCayman : Predicate<
     23   "Subtarget->getGeneration() == AMDGPUSubtarget::EVERGREEN ||"
     24   "Subtarget->getGeneration() ==AMDGPUSubtarget::NORTHERN_ISLANDS"
     25 >;
     26 
     27 //===----------------------------------------------------------------------===//
     28 // Evergreen / Cayman store instructions
     29 //===----------------------------------------------------------------------===//
     30 
     31 let Predicates = [isEGorCayman] in {
     32 
     33 class CF_MEM_RAT_CACHELESS <bits<6> rat_inst, bits<4> rat_id, bits<4> mask, dag ins,
     34                            string name, list<dag> pattern>
     35     : EG_CF_RAT <0x57, rat_inst, rat_id, mask, (outs), ins,
     36                  "MEM_RAT_CACHELESS "#name, pattern>;
     37 
     38 class CF_MEM_RAT <bits<6> rat_inst, bits<4> rat_id, dag ins, string name,
     39                   list<dag> pattern>
     40     : EG_CF_RAT <0x56, rat_inst, rat_id, 0xf /* mask */, (outs), ins,
     41                  "MEM_RAT "#name, pattern>;
     42 
     43 class CF_MEM_RAT_STORE_TYPED<bits<1> has_eop>
     44     : CF_MEM_RAT <0x1, ?, (ins R600_Reg128:$rw_gpr, R600_Reg128:$index_gpr,
     45                            i32imm:$rat_id, InstFlag:$eop),
     46                   "STORE_TYPED RAT($rat_id) $rw_gpr, $index_gpr"
     47                                #!if(has_eop, ", $eop", ""),
     48                   [(int_r600_rat_store_typed R600_Reg128:$rw_gpr,
     49                                              R600_Reg128:$index_gpr,
     50                                              (i32 imm:$rat_id))]>;
     51 
     52 def RAT_MSKOR : CF_MEM_RAT <0x11, 0,
     53   (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr),
     54   "MSKOR $rw_gpr.XW, $index_gpr",
     55   [(mskor_global v4i32:$rw_gpr, i32:$index_gpr)]
     56 > {
     57   let eop = 0;
     58 }
     59 
     60 } // End let Predicates = [isEGorCayman]
     61 
     62 //===----------------------------------------------------------------------===//
     63 // Evergreen Only instructions
     64 //===----------------------------------------------------------------------===//
     65 
     66 let Predicates = [isEG] in {
     67 
     68 def RECIP_IEEE_eg : RECIP_IEEE_Common<0x86>;
     69 defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
     70 
     71 def MULLO_INT_eg : MULLO_INT_Common<0x8F>;
     72 def MULHI_INT_eg : MULHI_INT_Common<0x90>;
     73 def MULLO_UINT_eg : MULLO_UINT_Common<0x91>;
     74 def MULHI_UINT_eg : MULHI_UINT_Common<0x92>;
     75 def RECIP_UINT_eg : RECIP_UINT_Common<0x94>;
     76 def RECIPSQRT_CLAMPED_eg : RECIPSQRT_CLAMPED_Common<0x87>;
     77 def EXP_IEEE_eg : EXP_IEEE_Common<0x81>;
     78 def LOG_IEEE_eg : LOG_IEEE_Common<0x83>;
     79 def RECIP_CLAMPED_eg : RECIP_CLAMPED_Common<0x84>;
     80 def RECIPSQRT_IEEE_eg : RECIPSQRT_IEEE_Common<0x89>;
     81 def : RsqPat<RECIPSQRT_IEEE_eg, f32>;
     82 def SIN_eg : SIN_Common<0x8D>;
     83 def COS_eg : COS_Common<0x8E>;
     84 
     85 def : POW_Common <LOG_IEEE_eg, EXP_IEEE_eg, MUL>;
     86 def : Pat<(fsqrt f32:$src), (MUL $src, (RECIPSQRT_CLAMPED_eg $src))>;
     87 
     88 //===----------------------------------------------------------------------===//
     89 // Memory read/write instructions
     90 //===----------------------------------------------------------------------===//
     91 
     92 let usesCustomInserter = 1 in {
     93 
     94 // 32-bit store
     95 def RAT_WRITE_CACHELESS_32_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0x1,
     96   (ins R600_TReg32_X:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
     97   "STORE_RAW $rw_gpr, $index_gpr, $eop",
     98   [(global_store i32:$rw_gpr, i32:$index_gpr)]
     99 >;
    100 
    101 // 64-bit store
    102 def RAT_WRITE_CACHELESS_64_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0x3,
    103   (ins R600_Reg64:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
    104   "STORE_RAW $rw_gpr.XY, $index_gpr, $eop",
    105   [(global_store v2i32:$rw_gpr, i32:$index_gpr)]
    106 >;
    107 
    108 //128-bit store
    109 def RAT_WRITE_CACHELESS_128_eg : CF_MEM_RAT_CACHELESS <0x2, 0, 0xf,
    110   (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr, InstFlag:$eop),
    111   "STORE_RAW $rw_gpr.XYZW, $index_gpr, $eop",
    112   [(global_store v4i32:$rw_gpr, i32:$index_gpr)]
    113 >;
    114 
    115 def RAT_STORE_TYPED_eg: CF_MEM_RAT_STORE_TYPED<1>;
    116 
    117 } // End usesCustomInserter = 1
    118 
    119 class VTX_READ_eg <string name, bits<8> buffer_id, dag outs, list<dag> pattern>
    120     : VTX_WORD0_eg, VTX_READ<name, buffer_id, outs, pattern> {
    121 
    122   // Static fields
    123   let VC_INST = 0;
    124   let FETCH_TYPE = 2;
    125   let FETCH_WHOLE_QUAD = 0;
    126   let BUFFER_ID = buffer_id;
    127   let SRC_REL = 0;
    128   // XXX: We can infer this field based on the SRC_GPR.  This would allow us
    129   // to store vertex addresses in any channel, not just X.
    130   let SRC_SEL_X = 0;
    131 
    132   let Inst{31-0} = Word0;
    133 }
    134 
    135 class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern>
    136     : VTX_READ_eg <"VTX_READ_8 $dst_gpr, $src_gpr", buffer_id,
    137                    (outs R600_TReg32_X:$dst_gpr), pattern> {
    138 
    139   let MEGA_FETCH_COUNT = 1;
    140   let DST_SEL_X = 0;
    141   let DST_SEL_Y = 7;   // Masked
    142   let DST_SEL_Z = 7;   // Masked
    143   let DST_SEL_W = 7;   // Masked
    144   let DATA_FORMAT = 1; // FMT_8
    145 }
    146 
    147 class VTX_READ_16_eg <bits<8> buffer_id, list<dag> pattern>
    148     : VTX_READ_eg <"VTX_READ_16 $dst_gpr, $src_gpr", buffer_id,
    149                    (outs R600_TReg32_X:$dst_gpr), pattern> {
    150   let MEGA_FETCH_COUNT = 2;
    151   let DST_SEL_X = 0;
    152   let DST_SEL_Y = 7;   // Masked
    153   let DST_SEL_Z = 7;   // Masked
    154   let DST_SEL_W = 7;   // Masked
    155   let DATA_FORMAT = 5; // FMT_16
    156 
    157 }
    158 
    159 class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
    160     : VTX_READ_eg <"VTX_READ_32 $dst_gpr, $src_gpr", buffer_id,
    161                    (outs R600_TReg32_X:$dst_gpr), pattern> {
    162 
    163   let MEGA_FETCH_COUNT = 4;
    164   let DST_SEL_X        = 0;
    165   let DST_SEL_Y        = 7;   // Masked
    166   let DST_SEL_Z        = 7;   // Masked
    167   let DST_SEL_W        = 7;   // Masked
    168   let DATA_FORMAT      = 0xD; // COLOR_32
    169 
    170   // This is not really necessary, but there were some GPU hangs that appeared
    171   // to be caused by ALU instructions in the next instruction group that wrote
    172   // to the $src_gpr registers of the VTX_READ.
    173   // e.g.
    174   // %T3_X<def> = VTX_READ_PARAM_32_eg %T2_X<kill>, 24
    175   // %T2_X<def> = MOV %ZERO
    176   //Adding this constraint prevents this from happening.
    177   let Constraints = "$src_gpr.ptr = $dst_gpr";
    178 }
    179 
    180 class VTX_READ_64_eg <bits<8> buffer_id, list<dag> pattern>
    181     : VTX_READ_eg <"VTX_READ_64 $dst_gpr.XY, $src_gpr", buffer_id,
    182                    (outs R600_Reg64:$dst_gpr), pattern> {
    183 
    184   let MEGA_FETCH_COUNT = 8;
    185   let DST_SEL_X        = 0;
    186   let DST_SEL_Y        = 1;
    187   let DST_SEL_Z        = 7;
    188   let DST_SEL_W        = 7;
    189   let DATA_FORMAT      = 0x1D; // COLOR_32_32
    190 }
    191 
    192 class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
    193     : VTX_READ_eg <"VTX_READ_128 $dst_gpr.XYZW, $src_gpr", buffer_id,
    194                    (outs R600_Reg128:$dst_gpr), pattern> {
    195 
    196   let MEGA_FETCH_COUNT = 16;
    197   let DST_SEL_X        =  0;
    198   let DST_SEL_Y        =  1;
    199   let DST_SEL_Z        =  2;
    200   let DST_SEL_W        =  3;
    201   let DATA_FORMAT      =  0x22; // COLOR_32_32_32_32
    202 
    203   // XXX: Need to force VTX_READ_128 instructions to write to the same register
    204   // that holds its buffer address to avoid potential hangs.  We can't use
    205   // the same constraint as VTX_READ_32_eg, because the $src_gpr.ptr and $dst
    206   // registers are different sizes.
    207 }
    208 
    209 //===----------------------------------------------------------------------===//
    210 // VTX Read from parameter memory space
    211 //===----------------------------------------------------------------------===//
    212 
    213 def VTX_READ_PARAM_8_eg : VTX_READ_8_eg <3,
    214   [(set i32:$dst_gpr, (load_param_exti8 ADDRVTX_READ:$src_gpr))]
    215 >;
    216 
    217 def VTX_READ_PARAM_16_eg : VTX_READ_16_eg <3,
    218   [(set i32:$dst_gpr, (load_param_exti16 ADDRVTX_READ:$src_gpr))]
    219 >;
    220 
    221 def VTX_READ_PARAM_32_eg : VTX_READ_32_eg <3,
    222   [(set i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
    223 >;
    224 
    225 def VTX_READ_PARAM_64_eg : VTX_READ_64_eg <3,
    226   [(set v2i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
    227 >;
    228 
    229 def VTX_READ_PARAM_128_eg : VTX_READ_128_eg <3,
    230   [(set v4i32:$dst_gpr, (load_param ADDRVTX_READ:$src_gpr))]
    231 >;
    232 
    233 //===----------------------------------------------------------------------===//
    234 // VTX Read from global memory space
    235 //===----------------------------------------------------------------------===//
    236 
    237 // 8-bit reads
    238 def VTX_READ_ID1_8_eg : VTX_READ_8_eg <1,
    239   [(set i32:$dst_gpr, (vtx_id1_az_extloadi8 ADDRVTX_READ:$src_gpr))]
    240 >;
    241 
    242 // 16-bit reads
    243 def VTX_READ_ID1_16_eg : VTX_READ_16_eg <1,
    244   [(set i32:$dst_gpr, (vtx_id1_az_extloadi16 ADDRVTX_READ:$src_gpr))]
    245 >;
    246 
    247 // 32-bit reads
    248 def VTX_READ_ID1_32_eg : VTX_READ_32_eg <1,
    249   [(set i32:$dst_gpr, (vtx_id1_load ADDRVTX_READ:$src_gpr))]
    250 >;
    251 
    252 // 64-bit reads
    253 def VTX_READ_ID1_64_eg : VTX_READ_64_eg <1,
    254   [(set v2i32:$dst_gpr, (vtx_id1_load ADDRVTX_READ:$src_gpr))]
    255 >;
    256 
    257 // 128-bit reads
    258 def VTX_READ_ID1_128_eg : VTX_READ_128_eg <1,
    259   [(set v4i32:$dst_gpr, (vtx_id1_load ADDRVTX_READ:$src_gpr))]
    260 >;
    261 
    262 // 8-bit reads
    263 def VTX_READ_ID2_8_eg : VTX_READ_8_eg <2,
    264   [(set i32:$dst_gpr, (vtx_id2_az_extloadi8 ADDRVTX_READ:$src_gpr))]
    265 >;
    266 
    267 // 16-bit reads
    268 def VTX_READ_ID2_16_eg : VTX_READ_16_eg <2,
    269   [(set i32:$dst_gpr, (vtx_id2_az_extloadi16 ADDRVTX_READ:$src_gpr))]
    270 >;
    271 
    272 // 32-bit reads
    273 def VTX_READ_ID2_32_eg : VTX_READ_32_eg <2,
    274   [(set i32:$dst_gpr, (vtx_id2_load ADDRVTX_READ:$src_gpr))]
    275 >;
    276 
    277 // 64-bit reads
    278 def VTX_READ_ID2_64_eg : VTX_READ_64_eg <2,
    279   [(set v2i32:$dst_gpr, (vtx_id2_load ADDRVTX_READ:$src_gpr))]
    280 >;
    281 
    282 // 128-bit reads
    283 def VTX_READ_ID2_128_eg : VTX_READ_128_eg <2,
    284   [(set v4i32:$dst_gpr, (vtx_id2_load ADDRVTX_READ:$src_gpr))]
    285 >;
    286 
    287 } // End Predicates = [isEG]
    288 
    289 //===----------------------------------------------------------------------===//
    290 // Evergreen / Cayman Instructions
    291 //===----------------------------------------------------------------------===//
    292 
    293 let Predicates = [isEGorCayman] in {
    294 
    295 // Should be predicated on FeatureFP64
    296 // def FMA_64 : R600_3OP <
    297 //   0xA, "FMA_64",
    298 //   [(set f64:$dst, (fma f64:$src0, f64:$src1, f64:$src2))]
    299 // >;
    300 
    301 // BFE_UINT - bit_extract, an optimization for mask and shift
    302 // Src0 = Input
    303 // Src1 = Offset
    304 // Src2 = Width
    305 //
    306 // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
    307 //
    308 // Example Usage:
    309 // (Offset, Width)
    310 //
    311 // (0, 8)  = (Input << 24) >> 24 = (Input &  0xff)       >> 0
    312 // (8, 8)  = (Input << 16) >> 24 = (Input &  0xffff)     >> 8
    313 // (16, 8) = (Input <<  8) >> 24 = (Input &  0xffffff)   >> 16
    314 // (24, 8) = (Input <<  0) >> 24 = (Input &  0xffffffff) >> 24
    315 def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
    316   [(set i32:$dst, (AMDGPUbfe_u32 i32:$src0, i32:$src1, i32:$src2))],
    317   VecALU
    318 >;
    319 
    320 def BFE_INT_eg : R600_3OP <0x5, "BFE_INT",
    321   [(set i32:$dst, (AMDGPUbfe_i32 i32:$src0, i32:$src1, i32:$src2))],
    322   VecALU
    323 >;
    324 
    325 def : BFEPattern <BFE_UINT_eg, MOV_IMM_I32>;
    326 
    327 def BFI_INT_eg : R600_3OP <0x06, "BFI_INT",
    328   [(set i32:$dst, (AMDGPUbfi i32:$src0, i32:$src1, i32:$src2))],
    329   VecALU
    330 >;
    331 
    332 def : Pat<(i32 (sext_inreg i32:$src, i1)),
    333   (BFE_INT_eg i32:$src, (i32 ZERO), (i32 ONE_INT))>;
    334 def : Pat<(i32 (sext_inreg i32:$src, i8)),
    335   (BFE_INT_eg i32:$src, (i32 ZERO), (MOV_IMM_I32 8))>;
    336 def : Pat<(i32 (sext_inreg i32:$src, i16)),
    337   (BFE_INT_eg i32:$src, (i32 ZERO), (MOV_IMM_I32 16))>;
    338 
    339 defm : BFIPatterns <BFI_INT_eg, MOV_IMM_I32, R600_Reg64>;
    340 
    341 def BFM_INT_eg : R600_2OP <0xA0, "BFM_INT",
    342   [(set i32:$dst, (AMDGPUbfm i32:$src0, i32:$src1))],
    343   VecALU
    344 >;
    345 
    346 def MULADD_UINT24_eg : R600_3OP <0x10, "MULADD_UINT24",
    347   [(set i32:$dst, (AMDGPUmad_u24 i32:$src0, i32:$src1, i32:$src2))], VecALU
    348 >;
    349 
    350 def : UMad24Pat<MULADD_UINT24_eg>;
    351 
    352 def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT", [], VecALU>;
    353 def : ROTRPattern <BIT_ALIGN_INT_eg>;
    354 def MULADD_eg : MULADD_Common<0x14>;
    355 def MULADD_IEEE_eg : MULADD_IEEE_Common<0x18>;
    356 def FMA_eg : FMA_Common<0x7>;
    357 def ASHR_eg : ASHR_Common<0x15>;
    358 def LSHR_eg : LSHR_Common<0x16>;
    359 def LSHL_eg : LSHL_Common<0x17>;
    360 def CNDE_eg : CNDE_Common<0x19>;
    361 def CNDGT_eg : CNDGT_Common<0x1A>;
    362 def CNDGE_eg : CNDGE_Common<0x1B>;
    363 def MUL_LIT_eg : MUL_LIT_Common<0x1F>;
    364 def LOG_CLAMPED_eg : LOG_CLAMPED_Common<0x82>;
    365 def MUL_UINT24_eg : R600_2OP <0xB5, "MUL_UINT24",
    366   [(set i32:$dst, (AMDGPUmul_u24 i32:$src0, i32:$src1))], VecALU
    367 >;
    368 def DOT4_eg : DOT4_Common<0xBE>;
    369 defm CUBE_eg : CUBE_Common<0xC0>;
    370 
    371 def BCNT_INT : R600_1OP_Helper <0xAA, "BCNT_INT", ctpop, VecALU>;
    372 
    373 def ADDC_UINT : R600_2OP_Helper <0x52, "ADDC_UINT", AMDGPUcarry>;
    374 def SUBB_UINT : R600_2OP_Helper <0x53, "SUBB_UINT", AMDGPUborrow>;
    375 
    376 def FFBH_UINT : R600_1OP_Helper <0xAB, "FFBH_UINT", AMDGPUffbh_u32, VecALU>;
    377 def FFBL_INT : R600_1OP_Helper <0xAC, "FFBL_INT", cttz_zero_undef, VecALU>;
    378 
    379 let hasSideEffects = 1 in {
    380   def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", [], VecALU>;
    381 }
    382 
    383 def FLT_TO_INT_eg : FLT_TO_INT_Common<0x50> {
    384   let Pattern = [];
    385   let Itinerary = AnyALU;
    386 }
    387 
    388 def INT_TO_FLT_eg : INT_TO_FLT_Common<0x9B>;
    389 
    390 def FLT_TO_UINT_eg : FLT_TO_UINT_Common<0x9A> {
    391   let Pattern = [];
    392 }
    393 
    394 def UINT_TO_FLT_eg : UINT_TO_FLT_Common<0x9C>;
    395 
    396 def GROUP_BARRIER : InstR600 <
    397     (outs), (ins), "  GROUP_BARRIER", [(int_AMDGPU_barrier_local), (int_AMDGPU_barrier_global)], AnyALU>,
    398     R600ALU_Word0,
    399     R600ALU_Word1_OP2 <0x54> {
    400 
    401   let dst = 0;
    402   let dst_rel = 0;
    403   let src0 = 0;
    404   let src0_rel = 0;
    405   let src0_neg = 0;
    406   let src0_abs = 0;
    407   let src1 = 0;
    408   let src1_rel = 0;
    409   let src1_neg = 0;
    410   let src1_abs = 0;
    411   let write = 0;
    412   let omod = 0;
    413   let clamp = 0;
    414   let last = 1;
    415   let bank_swizzle = 0;
    416   let pred_sel = 0;
    417   let update_exec_mask = 0;
    418   let update_pred = 0;
    419 
    420   let Inst{31-0}  = Word0;
    421   let Inst{63-32} = Word1;
    422 
    423   let ALUInst = 1;
    424 }
    425 
    426 def : Pat <
    427 	(int_AMDGPU_barrier_global),
    428 	(GROUP_BARRIER)
    429 >;
    430 
    431 //===----------------------------------------------------------------------===//
    432 // LDS Instructions
    433 //===----------------------------------------------------------------------===//
    434 class R600_LDS  <bits<6> op, dag outs, dag ins, string asm,
    435                  list<dag> pattern = []> :
    436 
    437     InstR600 <outs, ins, asm, pattern, XALU>,
    438     R600_ALU_LDS_Word0,
    439     R600LDS_Word1 {
    440 
    441   bits<6>  offset = 0;
    442   let lds_op = op;
    443 
    444   let Word1{27} = offset{0};
    445   let Word1{12} = offset{1};
    446   let Word1{28} = offset{2};
    447   let Word1{31} = offset{3};
    448   let Word0{12} = offset{4};
    449   let Word0{25} = offset{5};
    450 
    451 
    452   let Inst{31-0}  = Word0;
    453   let Inst{63-32} = Word1;
    454 
    455   let ALUInst = 1;
    456   let HasNativeOperands = 1;
    457   let UseNamedOperandTable = 1;
    458 }
    459 
    460 class R600_LDS_1A <bits<6> lds_op, string name, list<dag> pattern> : R600_LDS <
    461   lds_op,
    462   (outs R600_Reg32:$dst),
    463   (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
    464        LAST:$last, R600_Pred:$pred_sel,
    465        BANK_SWIZZLE:$bank_swizzle),
    466   "  "#name#" $last OQAP, $src0$src0_rel $pred_sel",
    467   pattern
    468   > {
    469 
    470   let src1 = 0;
    471   let src1_rel = 0;
    472   let src2 = 0;
    473   let src2_rel = 0;
    474 
    475   let usesCustomInserter = 1;
    476   let LDS_1A = 1;
    477   let DisableEncoding = "$dst";
    478 }
    479 
    480 class R600_LDS_1A1D <bits<6> lds_op, dag outs, string name, list<dag> pattern,
    481                      string dst =""> :
    482     R600_LDS <
    483   lds_op, outs,
    484   (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
    485        R600_Reg32:$src1, REL:$src1_rel, SEL:$src1_sel,
    486        LAST:$last, R600_Pred:$pred_sel,
    487        BANK_SWIZZLE:$bank_swizzle),
    488   "  "#name#" $last "#dst#"$src0$src0_rel, $src1$src1_rel, $pred_sel",
    489   pattern
    490   > {
    491 
    492   field string BaseOp;
    493 
    494   let src2 = 0;
    495   let src2_rel = 0;
    496   let LDS_1A1D = 1;
    497 }
    498 
    499 class R600_LDS_1A1D_NORET <bits<6> lds_op, string name, list<dag> pattern> :
    500     R600_LDS_1A1D <lds_op, (outs), name, pattern> {
    501   let BaseOp = name;
    502 }
    503 
    504 class R600_LDS_1A1D_RET <bits<6> lds_op, string name, list<dag> pattern> :
    505     R600_LDS_1A1D <lds_op,  (outs R600_Reg32:$dst), name##"_RET", pattern, "OQAP, "> {
    506 
    507   let BaseOp = name;
    508   let usesCustomInserter = 1;
    509   let DisableEncoding = "$dst";
    510 }
    511 
    512 class R600_LDS_1A2D <bits<6> lds_op, dag outs, string name, list<dag> pattern,
    513                      string dst =""> :
    514     R600_LDS <
    515   lds_op, outs,
    516   (ins R600_Reg32:$src0, REL:$src0_rel, SEL:$src0_sel,
    517        R600_Reg32:$src1, REL:$src1_rel, SEL:$src1_sel,
    518        R600_Reg32:$src2, REL:$src2_rel, SEL:$src2_sel,
    519        LAST:$last, R600_Pred:$pred_sel, BANK_SWIZZLE:$bank_swizzle),
    520   "  "#name# "$last "#dst#"$src0$src0_rel, $src1$src1_rel, $src2$src2_rel, $pred_sel",
    521   pattern> {
    522 
    523   field string BaseOp;
    524 
    525   let LDS_1A1D = 0;
    526   let LDS_1A2D = 1;
    527 }
    528 
    529 class R600_LDS_1A2D_NORET <bits<6> lds_op, string name, list<dag> pattern> :
    530     R600_LDS_1A2D <lds_op, (outs), name, pattern> {
    531   let BaseOp = name;
    532 }
    533 
    534 class R600_LDS_1A2D_RET <bits<6> lds_op, string name, list<dag> pattern> :
    535     R600_LDS_1A2D <lds_op, (outs R600_Reg32:$dst), name, pattern> {
    536 
    537   let BaseOp = name;
    538   let usesCustomInserter = 1;
    539   let DisableEncoding = "$dst";
    540 }
    541 
    542 def LDS_ADD : R600_LDS_1A1D_NORET <0x0, "LDS_ADD", [] >;
    543 def LDS_SUB : R600_LDS_1A1D_NORET <0x1, "LDS_SUB", [] >;
    544 def LDS_AND : R600_LDS_1A1D_NORET <0x9, "LDS_AND", [] >;
    545 def LDS_OR : R600_LDS_1A1D_NORET <0xa, "LDS_OR", [] >;
    546 def LDS_XOR : R600_LDS_1A1D_NORET <0xb, "LDS_XOR", [] >;
    547 def LDS_WRXCHG: R600_LDS_1A1D_NORET <0xd, "LDS_WRXCHG", [] >;
    548 def LDS_CMPST: R600_LDS_1A2D_NORET <0x10, "LDS_CMPST", [] >;
    549 def LDS_MIN_INT : R600_LDS_1A1D_NORET <0x5, "LDS_MIN_INT", [] >;
    550 def LDS_MAX_INT : R600_LDS_1A1D_NORET <0x6, "LDS_MAX_INT", [] >;
    551 def LDS_MIN_UINT : R600_LDS_1A1D_NORET <0x7, "LDS_MIN_UINT", [] >;
    552 def LDS_MAX_UINT : R600_LDS_1A1D_NORET <0x8, "LDS_MAX_UINT", [] >;
    553 def LDS_WRITE : R600_LDS_1A1D_NORET <0xD, "LDS_WRITE",
    554   [(local_store (i32 R600_Reg32:$src1), R600_Reg32:$src0)]
    555 >;
    556 def LDS_BYTE_WRITE : R600_LDS_1A1D_NORET<0x12, "LDS_BYTE_WRITE",
    557   [(truncstorei8_local i32:$src1, i32:$src0)]
    558 >;
    559 def LDS_SHORT_WRITE : R600_LDS_1A1D_NORET<0x13, "LDS_SHORT_WRITE",
    560   [(truncstorei16_local i32:$src1, i32:$src0)]
    561 >;
    562 def LDS_ADD_RET : R600_LDS_1A1D_RET <0x20, "LDS_ADD",
    563   [(set i32:$dst, (atomic_load_add_local i32:$src0, i32:$src1))]
    564 >;
    565 def LDS_SUB_RET : R600_LDS_1A1D_RET <0x21, "LDS_SUB",
    566   [(set i32:$dst, (atomic_load_sub_local i32:$src0, i32:$src1))]
    567 >;
    568 def LDS_AND_RET : R600_LDS_1A1D_RET <0x29, "LDS_AND",
    569   [(set i32:$dst, (atomic_load_and_local i32:$src0, i32:$src1))]
    570 >;
    571 def LDS_OR_RET : R600_LDS_1A1D_RET <0x2a, "LDS_OR",
    572   [(set i32:$dst, (atomic_load_or_local i32:$src0, i32:$src1))]
    573 >;
    574 def LDS_XOR_RET : R600_LDS_1A1D_RET <0x2b, "LDS_XOR",
    575   [(set i32:$dst, (atomic_load_xor_local i32:$src0, i32:$src1))]
    576 >;
    577 def LDS_MIN_INT_RET : R600_LDS_1A1D_RET <0x25, "LDS_MIN_INT",
    578   [(set i32:$dst, (atomic_load_min_local i32:$src0, i32:$src1))]
    579 >;
    580 def LDS_MAX_INT_RET : R600_LDS_1A1D_RET <0x26, "LDS_MAX_INT",
    581   [(set i32:$dst, (atomic_load_max_local i32:$src0, i32:$src1))]
    582 >;
    583 def LDS_MIN_UINT_RET : R600_LDS_1A1D_RET <0x27, "LDS_MIN_UINT",
    584   [(set i32:$dst, (atomic_load_umin_local i32:$src0, i32:$src1))]
    585 >;
    586 def LDS_MAX_UINT_RET : R600_LDS_1A1D_RET <0x28, "LDS_MAX_UINT",
    587   [(set i32:$dst, (atomic_load_umax_local i32:$src0, i32:$src1))]
    588 >;
    589 def LDS_WRXCHG_RET : R600_LDS_1A1D_RET <0x2d, "LDS_WRXCHG",
    590   [(set i32:$dst, (atomic_swap_local i32:$src0, i32:$src1))]
    591 >;
    592 def LDS_CMPST_RET : R600_LDS_1A2D_RET <0x30, "LDS_CMPST",
    593   [(set i32:$dst, (atomic_cmp_swap_32_local i32:$src0, i32:$src1, i32:$src2))]
    594 >;
    595 def LDS_READ_RET : R600_LDS_1A <0x32, "LDS_READ_RET",
    596   [(set (i32 R600_Reg32:$dst), (local_load R600_Reg32:$src0))]
    597 >;
    598 def LDS_BYTE_READ_RET : R600_LDS_1A <0x36, "LDS_BYTE_READ_RET",
    599   [(set i32:$dst, (sextloadi8_local i32:$src0))]
    600 >;
    601 def LDS_UBYTE_READ_RET : R600_LDS_1A <0x37, "LDS_UBYTE_READ_RET",
    602   [(set i32:$dst, (az_extloadi8_local i32:$src0))]
    603 >;
    604 def LDS_SHORT_READ_RET : R600_LDS_1A <0x38, "LDS_SHORT_READ_RET",
    605   [(set i32:$dst, (sextloadi16_local i32:$src0))]
    606 >;
    607 def LDS_USHORT_READ_RET : R600_LDS_1A <0x39, "LDS_USHORT_READ_RET",
    608   [(set i32:$dst, (az_extloadi16_local i32:$src0))]
    609 >;
    610 
    611 // TRUNC is used for the FLT_TO_INT instructions to work around a
    612 // perceived problem where the rounding modes are applied differently
    613 // depending on the instruction and the slot they are in.
    614 // See:
    615 // https://bugs.freedesktop.org/show_bug.cgi?id=50232
    616 // Mesa commit: a1a0974401c467cb86ef818f22df67c21774a38c
    617 //
    618 // XXX: Lowering SELECT_CC will sometimes generate fp_to_[su]int nodes,
    619 // which do not need to be truncated since the fp values are 0.0f or 1.0f.
    620 // We should look into handling these cases separately.
    621 def : Pat<(fp_to_sint f32:$src0), (FLT_TO_INT_eg (TRUNC $src0))>;
    622 
    623 def : Pat<(fp_to_uint f32:$src0), (FLT_TO_UINT_eg (TRUNC $src0))>;
    624 
    625 // SHA-256 Patterns
    626 def : SHA256MaPattern <BFI_INT_eg, XOR_INT>;
    627 
    628 def EG_ExportSwz : ExportSwzInst {
    629   let Word1{19-16} = 0; // BURST_COUNT
    630   let Word1{20} = 0; // VALID_PIXEL_MODE
    631   let Word1{21} = eop;
    632   let Word1{29-22} = inst;
    633   let Word1{30} = 0; // MARK
    634   let Word1{31} = 1; // BARRIER
    635 }
    636 defm : ExportPattern<EG_ExportSwz, 83>;
    637 
    638 def EG_ExportBuf : ExportBufInst {
    639   let Word1{19-16} = 0; // BURST_COUNT
    640   let Word1{20} = 0; // VALID_PIXEL_MODE
    641   let Word1{21} = eop;
    642   let Word1{29-22} = inst;
    643   let Word1{30} = 0; // MARK
    644   let Word1{31} = 1; // BARRIER
    645 }
    646 defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
    647 
    648 def CF_TC_EG : CF_CLAUSE_EG<1, (ins i32imm:$ADDR, i32imm:$COUNT),
    649   "TEX $COUNT @$ADDR"> {
    650   let POP_COUNT = 0;
    651 }
    652 def CF_VC_EG : CF_CLAUSE_EG<2, (ins i32imm:$ADDR, i32imm:$COUNT),
    653   "VTX $COUNT @$ADDR"> {
    654   let POP_COUNT = 0;
    655 }
    656 def WHILE_LOOP_EG : CF_CLAUSE_EG<6, (ins i32imm:$ADDR),
    657   "LOOP_START_DX10 @$ADDR"> {
    658   let POP_COUNT = 0;
    659   let COUNT = 0;
    660 }
    661 def END_LOOP_EG : CF_CLAUSE_EG<5, (ins i32imm:$ADDR), "END_LOOP @$ADDR"> {
    662   let POP_COUNT = 0;
    663   let COUNT = 0;
    664 }
    665 def LOOP_BREAK_EG : CF_CLAUSE_EG<9, (ins i32imm:$ADDR),
    666   "LOOP_BREAK @$ADDR"> {
    667   let POP_COUNT = 0;
    668   let COUNT = 0;
    669 }
    670 def CF_CONTINUE_EG : CF_CLAUSE_EG<8, (ins i32imm:$ADDR),
    671   "CONTINUE @$ADDR"> {
    672   let POP_COUNT = 0;
    673   let COUNT = 0;
    674 }
    675 def CF_JUMP_EG : CF_CLAUSE_EG<10, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
    676   "JUMP @$ADDR POP:$POP_COUNT"> {
    677   let COUNT = 0;
    678 }
    679 def CF_PUSH_EG : CF_CLAUSE_EG<11, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
    680                               "PUSH @$ADDR POP:$POP_COUNT"> {
    681   let COUNT = 0;
    682 }
    683 def CF_ELSE_EG : CF_CLAUSE_EG<13, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
    684   "ELSE @$ADDR POP:$POP_COUNT"> {
    685   let COUNT = 0;
    686 }
    687 def CF_CALL_FS_EG : CF_CLAUSE_EG<19, (ins), "CALL_FS"> {
    688   let ADDR = 0;
    689   let COUNT = 0;
    690   let POP_COUNT = 0;
    691 }
    692 def POP_EG : CF_CLAUSE_EG<14, (ins i32imm:$ADDR, i32imm:$POP_COUNT),
    693   "POP @$ADDR POP:$POP_COUNT"> {
    694   let COUNT = 0;
    695 }
    696 def CF_END_EG :  CF_CLAUSE_EG<0, (ins), "CF_END"> {
    697   let COUNT = 0;
    698   let POP_COUNT = 0;
    699   let ADDR = 0;
    700   let END_OF_PROGRAM = 1;
    701 }
    702 
    703 } // End Predicates = [isEGorCayman]
    704