gcc/hsa-common.h

   1 /* HSAIL and BRIG related macros and definitions.
   2    Copyright (C) 2013-2017 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef HSA_H
  21 #define HSA_H
  22
  23 #include "hsa-brig-format.h"
  24 #include "is-a.h"
  25 #include "predict.h"
  26 #include "tree.h"
  27 #include "vec.h"
  28 #include "hash-table.h"
  29 #include "basic-block.h"
  30 #include "bitmap.h"
  31
  32
  33 /* Return true if the compiler should produce HSAIL.  */
  34
  35 static inline bool
  36 hsa_gen_requested_p (void)
  37 {
  38 #ifndef ENABLE_HSA
  39   return false;
  40 #endif
  41   return !flag_disable_hsa;
  42 }
  43
  44 /* Standard warning message if we failed to generate HSAIL for a function.  */
  45
  46 #define HSA_SORRY_MSG "could not emit HSAIL for the function"
  47
  48 class hsa_op_immed;
  49 class hsa_op_cst_list;
  50 class hsa_insn_basic;
  51 class hsa_op_address;
  52 class hsa_op_reg;
  53 class hsa_bb;
  54
  55 /* Class representing an input argument, output argument (result) or a
  56    variable, that will eventually end up being a symbol directive.  */
  57
  58 struct hsa_symbol
  59 {
  60   /* Constructor.  */
  61   hsa_symbol (BrigType16_t type, BrigSegment8_t segment,
  62               BrigLinkage8_t linkage, bool global_scope_p = false,
  63               BrigAllocation allocation = BRIG_ALLOCATION_AUTOMATIC,
  64               BrigAlignment8_t align = BRIG_ALIGNMENT_8);
  65
  66   /* Return total size of the symbol.  */
  67   unsigned HOST_WIDE_INT total_byte_size ();
  68
  69   /* Fill in those values into the symbol according to DECL, which are
  70      determined independently from whether it is parameter, result,
  71      or a variable, local or global.  */
  72   void fillup_for_decl (tree decl);
  73
  74   /* Pointer to the original tree, which is PARM_DECL for input parameters and
  75      RESULT_DECL for the output parameters.  Also can be CONST_DECL for Fortran
  76      constants which need to be put into readonly segment.  */
  77   tree m_decl;
  78
  79   /* Name of the symbol, that will be written into output and dumps.  Can be
  80      NULL, see name_number below.  */
  81   const char *m_name;
  82
  83   /* If name is NULL, artificial name will be formed from the segment name and
  84      this number.  */
  85   int m_name_number;
  86
  87   /* Once written, this is the offset of the associated symbol directive.  Zero
  88      means the symbol has not been written yet.  */
  89   unsigned m_directive_offset;
  90
  91   /* HSA type of the parameter.  */
  92   BrigType16_t m_type;
  93
  94   /* The HSA segment this will eventually end up in.  */
  95   BrigSegment8_t m_segment;
  96
  97   /* The HSA kind of linkage.  */
  98   BrigLinkage8_t m_linkage;
  99
 100   /* Array dimension, if non-zero.  */
 101   unsigned HOST_WIDE_INT m_dim;
 102
 103   /* Constant value, used for string constants.  */
 104   hsa_op_immed *m_cst_value;
 105
 106   /* Is in global scope.  */
 107   bool m_global_scope_p;
 108
 109   /* True if an error has been seen for the symbol.  */
 110   bool m_seen_error;
 111
 112   /* Symbol allocation.  */
 113   BrigAllocation m_allocation;
 114
 115   /* Flag used for global variables if a variable is already emitted or not.  */
 116   bool m_emitted_to_brig;
 117
 118   /* Alignment of the symbol.  */
 119   BrigAlignment8_t m_align;
 120
 121 private:
 122   /* Default constructor.  */
 123   hsa_symbol ();
 124 };
 125
 126 /* Abstract class for HSA instruction operands.  */
 127
 128 class hsa_op_base
 129 {
 130 public:
 131   /* Next operand scheduled to be written when writing BRIG operand
 132      section.  */
 133   hsa_op_base *m_next;
 134
 135   /* Offset to which the associated operand structure will be written.  Zero if
 136      yet not scheduled for writing.  */
 137   unsigned m_brig_op_offset;
 138
 139   /* The type of a particular operand.  */
 140   BrigKind16_t m_kind;
 141
 142 protected:
 143   hsa_op_base (BrigKind16_t k);
 144 private:
 145   /* Make the default constructor inaccessible.  */
 146   hsa_op_base () {}
 147 };
 148
 149 /* Common abstract ancestor for operands which have a type.  */
 150
 151 class hsa_op_with_type : public hsa_op_base
 152 {
 153 public:
 154   /* The type.  */
 155   BrigType16_t m_type;
 156
 157   /* Convert an operand to a destination type DTYPE and attach insns
 158      to HBB if needed.  */
 159   hsa_op_with_type *get_in_type (BrigType16_t dtype, hsa_bb *hbb);
 160   /* If this operand has integer type smaller than 32 bits, extend it to 32
 161      bits, adding instructions to HBB if needed.  */
 162   hsa_op_with_type *extend_int_to_32bit (hsa_bb *hbb);
 163
 164 protected:
 165   hsa_op_with_type (BrigKind16_t k, BrigType16_t t);
 166 private:
 167   /* Make the default constructor inaccessible.  */
 168   hsa_op_with_type () : hsa_op_base (BRIG_KIND_NONE) {}
 169 };
 170
 171 /* An immediate HSA operand.  */
 172
 173 class hsa_op_immed : public hsa_op_with_type
 174 {
 175 public:
 176   hsa_op_immed (tree tree_val, bool min32int = true);
 177   hsa_op_immed (HOST_WIDE_INT int_value, BrigType16_t type);
 178   void *operator new (size_t);
 179   ~hsa_op_immed ();
 180   void set_type (BrigKind16_t t);
 181
 182   /* Function returns pointer to a buffer that contains binary representation
 183      of the immeadiate value.  The buffer has length of BRIG_SIZE and
 184      a caller is responsible for deallocation of the buffer.  */
 185   char *emit_to_buffer (unsigned *brig_size);
 186
 187   /* Value as represented by middle end.  */
 188   tree m_tree_value;
 189
 190   /* Integer value representation.  */
 191   HOST_WIDE_INT m_int_value;
 192
 193 private:
 194   /* Make the default constructor inaccessible.  */
 195   hsa_op_immed ();
 196   /* All objects are deallocated by destroying their pool, so make delete
 197      inaccessible too.  */
 198   void operator delete (void *) {}
 199 };
 200
 201 /* Report whether or not P is a an immediate operand.  */
 202
 203 template <>
 204 template <>
 205 inline bool
 206 is_a_helper <hsa_op_immed *>::test (hsa_op_base *p)
 207 {
 208   return p->m_kind == BRIG_KIND_OPERAND_CONSTANT_BYTES;
 209 }
 210
 211 /* Likewise, but for a more specified base. */
 212
 213 template <>
 214 template <>
 215 inline bool
 216 is_a_helper <hsa_op_immed *>::test (hsa_op_with_type *p)
 217 {
 218   return p->m_kind == BRIG_KIND_OPERAND_CONSTANT_BYTES;
 219 }
 220
 221
 222 /* HSA register operand.  */
 223
 224 class hsa_op_reg : public hsa_op_with_type
 225 {
 226   friend class hsa_insn_basic;
 227   friend class hsa_insn_phi;
 228 public:
 229   hsa_op_reg (BrigType16_t t);
 230   void *operator new (size_t);
 231
 232   /* Verify register operand.  */
 233   void verify_ssa ();
 234
 235   /* If NON-NULL, gimple SSA that we come from.  NULL if none.  */
 236   tree m_gimple_ssa;
 237
 238   /* Defining instruction while still in the SSA.  */
 239   hsa_insn_basic *m_def_insn;
 240
 241   /* If the register allocator decides to spill the register, this is the
 242      appropriate spill symbol.  */
 243   hsa_symbol *m_spill_sym;
 244
 245   /* Number of this register structure in the order in which they were
 246      allocated.  */
 247   int m_order;
 248   int m_lr_begin, m_lr_end;
 249
 250   /* Zero if the register is not yet allocated.  After, allocation, this must
 251      be 'c', 's', 'd' or 'q'.  */
 252   char m_reg_class;
 253   /* If allocated, the number of the HW register (within its HSA register
 254      class).  */
 255   char m_hard_num;
 256
 257 private:
 258   /* Make the default constructor inaccessible.  */
 259   hsa_op_reg () : hsa_op_with_type (BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
 260   /* All objects are deallocated by destroying their pool, so make delete
 261      inaccessible too.  */
 262   void operator delete (void *) {}
 263   /* Set definition where the register is defined.  */
 264   void set_definition (hsa_insn_basic *insn);
 265   /* Uses of the value while still in SSA.  */
 266   auto_vec <hsa_insn_basic *> m_uses;
 267 };
 268
 269 /* Report whether or not P is a register operand.  */
 270
 271 template <>
 272 template <>
 273 inline bool
 274 is_a_helper <hsa_op_reg *>::test (hsa_op_base *p)
 275 {
 276   return p->m_kind == BRIG_KIND_OPERAND_REGISTER;
 277 }
 278
 279 /* Report whether or not P is a register operand.  */
 280
 281 template <>
 282 template <>
 283 inline bool
 284 is_a_helper <hsa_op_reg *>::test (hsa_op_with_type *p)
 285 {
 286   return p->m_kind == BRIG_KIND_OPERAND_REGISTER;
 287 }
 288
 289 /* An address HSA operand.  */
 290
 291 class hsa_op_address : public hsa_op_base
 292 {
 293 public:
 294   /* set up a new address operand consisting of base symbol SYM, register R and
 295      immediate OFFSET.  If the machine model is not large and offset is 64 bit,
 296      the upper, 32 bits have to be zero.  */
 297   hsa_op_address (hsa_symbol *sym, hsa_op_reg *reg,
 298                   HOST_WIDE_INT offset = 0);
 299
 300   void *operator new (size_t);
 301
 302   /* Set up a new address operand consisting of base symbol SYM and
 303      immediate OFFSET.  If the machine model is not large and offset is 64 bit,
 304      the upper, 32 bits have to be zero.  */
 305   hsa_op_address (hsa_symbol *sym, HOST_WIDE_INT offset = 0);
 306
 307   /* Set up a new address operand consisting of register R and
 308      immediate OFFSET.  If the machine model is not large and offset is 64 bit,
 309      the upper, 32 bits have to be zero.  */
 310   hsa_op_address (hsa_op_reg *reg, HOST_WIDE_INT offset = 0);
 311
 312   /* Symbol base of the address.  Can be NULL if there is none.  */
 313   hsa_symbol *m_symbol;
 314
 315   /* Register offset.  Can be NULL if there is none.  */
 316   hsa_op_reg *m_reg;
 317
 318   /* Immediate byte offset.  */
 319   HOST_WIDE_INT m_imm_offset;
 320
 321 private:
 322   /* Make the default constructor inaccessible.  */
 323   hsa_op_address () : hsa_op_base (BRIG_KIND_NONE) {}
 324   /* All objects are deallocated by destroying their pool, so make delete
 325      inaccessible too.  */
 326   void operator delete (void *) {}
 327 };
 328
 329 /* Report whether or not P is an address operand.  */
 330
 331 template <>
 332 template <>
 333 inline bool
 334 is_a_helper <hsa_op_address *>::test (hsa_op_base *p)
 335 {
 336   return p->m_kind == BRIG_KIND_OPERAND_ADDRESS;
 337 }
 338
 339 /* A reference to code HSA operand.  It can be either reference
 340    to a start of a BB or a start of a function.  */
 341
 342 class hsa_op_code_ref : public hsa_op_base
 343 {
 344 public:
 345   hsa_op_code_ref ();
 346
 347   /* Offset in the code section that this refers to.  */
 348   unsigned m_directive_offset;
 349 };
 350
 351 /* Report whether or not P is a code reference operand.  */
 352
 353 template <>
 354 template <>
 355 inline bool
 356 is_a_helper <hsa_op_code_ref *>::test (hsa_op_base *p)
 357 {
 358   return p->m_kind == BRIG_KIND_OPERAND_CODE_REF;
 359 }
 360
 361 /* Code list HSA operand.  */
 362
 363 class hsa_op_code_list: public hsa_op_base
 364 {
 365 public:
 366   hsa_op_code_list (unsigned elements);
 367   void *operator new (size_t);
 368
 369   /* Offset to variable-sized array in hsa_data section, where
 370      are offsets to entries in the hsa_code section.  */
 371   auto_vec<unsigned> m_offsets;
 372 private:
 373   /* Make the default constructor inaccessible.  */
 374   hsa_op_code_list () : hsa_op_base (BRIG_KIND_NONE) {}
 375   /* All objects are deallocated by destroying their pool, so make delete
 376      inaccessible too.  */
 377   void operator delete (void *) {}
 378 };
 379
 380 /* Report whether or not P is a code list operand.  */
 381
 382 template <>
 383 template <>
 384 inline bool
 385 is_a_helper <hsa_op_code_list *>::test (hsa_op_base *p)
 386 {
 387   return p->m_kind == BRIG_KIND_OPERAND_CODE_LIST;
 388 }
 389
 390 /* Operand list HSA operand.  */
 391
 392 class hsa_op_operand_list: public hsa_op_base
 393 {
 394 public:
 395   hsa_op_operand_list (unsigned elements);
 396   ~hsa_op_operand_list ();
 397   void *operator new (size_t);
 398
 399   /* Offset to variable-sized array in hsa_data section, where
 400      are offsets to entries in the hsa_code section.  */
 401   auto_vec<unsigned> m_offsets;
 402 private:
 403   /* Make the default constructor inaccessible.  */
 404   hsa_op_operand_list () : hsa_op_base (BRIG_KIND_NONE) {}
 405   /* All objects are deallocated by destroying their pool, so make delete
 406      inaccessible too.  */
 407   void operator delete (void *) {}
 408 };
 409
 410 /* Report whether or not P is a code list operand.  */
 411
 412 template <>
 413 template <>
 414 inline bool
 415 is_a_helper <hsa_op_operand_list *>::test (hsa_op_base *p)
 416 {
 417   return p->m_kind == BRIG_KIND_OPERAND_OPERAND_LIST;
 418 }
 419
 420 /* Opcodes of instructions that are not part of HSA but that we use to
 421    represent it nevertheless.  */
 422
 423 #define HSA_OPCODE_PHI (-1)
 424 #define HSA_OPCODE_ARG_BLOCK (-2)
 425
 426 /* The number of operand pointers we can directly in an instruction.  */
 427 #define HSA_BRIG_INT_STORAGE_OPERANDS 5
 428
 429 /* Class representing an HSA instruction.  Unlike typical ancestors for
 430    specialized classes, this one is also directly used for all instructions
 431    that are then represented as BrigInstBasic.  */
 432
 433 class hsa_insn_basic
 434 {
 435 public:
 436   hsa_insn_basic (unsigned nops, int opc);
 437   hsa_insn_basic (unsigned nops, int opc, BrigType16_t t,
 438                   hsa_op_base *arg0 = NULL,
 439                   hsa_op_base *arg1 = NULL,
 440                   hsa_op_base *arg2 = NULL,
 441                   hsa_op_base *arg3 = NULL);
 442
 443   void *operator new (size_t);
 444   void set_op (int index, hsa_op_base *op);
 445   hsa_op_base *get_op (int index);
 446   hsa_op_base **get_op_addr (int index);
 447   unsigned int operand_count ();
 448   void verify ();
 449   unsigned input_count ();
 450   unsigned num_used_ops ();
 451   void set_output_in_type (hsa_op_reg *dest, unsigned op_index, hsa_bb *hbb);
 452   bool op_output_p (unsigned opnum);
 453
 454   /* The previous and next instruction in the basic block.  */
 455   hsa_insn_basic *m_prev, *m_next;
 456
 457   /* Basic block this instruction belongs to.  */
 458   basic_block m_bb;
 459
 460   /* Operand code distinguishing different types of instructions.  Eventually
 461      these should only be BRIG_INST_* values from the BrigOpcode16_t range but
 462      initially we use negative values for PHI nodes and such.  */
 463   int m_opcode;
 464
 465   /* Linearized number assigned to the instruction by HSA RA.  */
 466   int m_number;
 467
 468   /* Type of the destination of the operations.  */
 469   BrigType16_t m_type;
 470
 471   /* BRIG offset of the instruction in code section.  */
 472   unsigned int m_brig_offset;
 473
 474 private:
 475   /* Make the default constructor inaccessible.  */
 476   hsa_insn_basic () {}
 477   /* All objects are deallocated by destroying their pool, so make delete
 478      inaccessible too.  */
 479   void operator delete (void *) {}
 480   /* The individual operands.  All instructions but PHI nodes have five or
 481      fewer instructions and so will fit the internal storage.  */
 482   /* TODO: Vast majority of instructions have three or fewer operands, so we
 483      may actually try reducing it.  */
 484   auto_vec<hsa_op_base *, HSA_BRIG_INT_STORAGE_OPERANDS> m_operands;
 485 };
 486
 487 /* Class representing a PHI node of the SSA form of HSA virtual
 488    registers.  */
 489
 490 class hsa_insn_phi : public hsa_insn_basic
 491 {
 492 public:
 493   hsa_insn_phi (unsigned nops, hsa_op_reg *dst);
 494
 495   /* Destination.  */
 496   hsa_op_reg *m_dest;
 497
 498 private:
 499   /* Make the default constructor inaccessible.  */
 500   hsa_insn_phi () : hsa_insn_basic (1, HSA_OPCODE_PHI) {}
 501 };
 502
 503 /* Report whether or not P is a PHI node.  */
 504
 505 template <>
 506 template <>
 507 inline bool
 508 is_a_helper <hsa_insn_phi *>::test (hsa_insn_basic *p)
 509 {
 510   return p->m_opcode == HSA_OPCODE_PHI;
 511 }
 512
 513 /* HSA instruction for  */
 514 class hsa_insn_br : public hsa_insn_basic
 515 {
 516 public:
 517   hsa_insn_br (unsigned nops, int opc, BrigType16_t t, BrigWidth8_t width,
 518                hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 519                hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
 520
 521   /* Number of work-items affected in the same way by the instruction.  */
 522   BrigWidth8_t m_width;
 523
 524 private:
 525   /* Make the default constructor inaccessible.  */
 526   hsa_insn_br () : hsa_insn_basic (0, BRIG_OPCODE_BR) {}
 527 };
 528
 529 /* Return true if P is a branching/synchronization instruction.  */
 530
 531 template <>
 532 template <>
 533 inline bool
 534 is_a_helper <hsa_insn_br *>::test (hsa_insn_basic *p)
 535 {
 536   return p->m_opcode == BRIG_OPCODE_BARRIER
 537     || p->m_opcode == BRIG_OPCODE_BR;
 538 }
 539
 540 /* HSA instruction for conditional branches.  Structurally the same as
 541    hsa_insn_br but we represent it specially because of inherent control
 542    flow it represents.  */
 543
 544 class hsa_insn_cbr : public hsa_insn_br
 545 {
 546 public:
 547   hsa_insn_cbr (hsa_op_reg *ctrl);
 548
 549 private:
 550   /* Make the default constructor inaccessible.  */
 551   hsa_insn_cbr () : hsa_insn_br (0, BRIG_OPCODE_CBR, BRIG_TYPE_B1,
 552                                  BRIG_WIDTH_1) {}
 553 };
 554
 555 /* Report whether P is a contitional branching instruction.  */
 556
 557 template <>
 558 template <>
 559 inline bool
 560 is_a_helper <hsa_insn_cbr *>::test (hsa_insn_basic *p)
 561 {
 562   return p->m_opcode == BRIG_OPCODE_CBR;
 563 }
 564
 565 /* HSA instruction for switch branches.  */
 566
 567 class hsa_insn_sbr : public hsa_insn_basic
 568 {
 569 public:
 570   hsa_insn_sbr (hsa_op_reg *index, unsigned jump_count);
 571
 572   /* Default destructor.  */
 573   ~hsa_insn_sbr ();
 574
 575   void replace_all_labels (basic_block old_bb, basic_block new_bb);
 576
 577   /* Width as described in HSA documentation.  */
 578   BrigWidth8_t m_width;
 579
 580   /* Jump table.  */
 581   vec <basic_block> m_jump_table;
 582
 583   /* Code list for label references.  */
 584   hsa_op_code_list *m_label_code_list;
 585
 586 private:
 587   /* Make the default constructor inaccessible.  */
 588   hsa_insn_sbr () : hsa_insn_basic (1, BRIG_OPCODE_SBR) {}
 589 };
 590
 591 /* Report whether P is a switch branching instruction.  */
 592
 593 template <>
 594 template <>
 595 inline bool
 596 is_a_helper <hsa_insn_sbr *>::test (hsa_insn_basic *p)
 597 {
 598   return p->m_opcode == BRIG_OPCODE_SBR;
 599 }
 600
 601 /* HSA instruction for comparisons.  */
 602
 603 class hsa_insn_cmp : public hsa_insn_basic
 604 {
 605 public:
 606   hsa_insn_cmp (BrigCompareOperation8_t cmp, BrigType16_t t,
 607                 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 608                 hsa_op_base *arg2 = NULL);
 609
 610   /* Source type should be derived from operand types.  */
 611
 612   /* The comparison operation.  */
 613   BrigCompareOperation8_t m_compare;
 614
 615   /* TODO: Modifiers and packing control are missing but so are everywhere
 616      else.  */
 617 private:
 618   /* Make the default constructor inaccessible.  */
 619   hsa_insn_cmp () : hsa_insn_basic (1, BRIG_OPCODE_CMP) {}
 620 };
 621
 622 /* Report whether or not P is a comparison instruction.  */
 623
 624 template <>
 625 template <>
 626 inline bool
 627 is_a_helper <hsa_insn_cmp *>::test (hsa_insn_basic *p)
 628 {
 629   return p->m_opcode == BRIG_OPCODE_CMP;
 630 }
 631
 632 /* HSA instruction for memory operations.  */
 633
 634 class hsa_insn_mem : public hsa_insn_basic
 635 {
 636 public:
 637   hsa_insn_mem (int opc, BrigType16_t t, hsa_op_base *arg0, hsa_op_base *arg1);
 638
 639   /* Set alignment to VALUE.  */
 640
 641   void set_align (BrigAlignment8_t value);
 642
 643   /* The segment is of the memory access is either the segment of the symbol in
 644      the address operand or flat address is there is no symbol there.  */
 645
 646   /* Required alignment of the memory operation.  */
 647   BrigAlignment8_t m_align;
 648
 649   /* HSA equiv class, basically an alias set number.  */
 650   uint8_t m_equiv_class;
 651
 652   /* TODO:  Add width modifier, perhaps also other things.  */
 653 protected:
 654   hsa_insn_mem (unsigned nops, int opc, BrigType16_t t,
 655                 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 656                 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
 657
 658 private:
 659   /* Make the default constructor inaccessible.  */
 660   hsa_insn_mem () : hsa_insn_basic (1, BRIG_OPCODE_LD) {}
 661 };
 662
 663 /* Report whether or not P is a memory instruction.  */
 664
 665 template <>
 666 template <>
 667 inline bool
 668 is_a_helper <hsa_insn_mem *>::test (hsa_insn_basic *p)
 669 {
 670   return (p->m_opcode == BRIG_OPCODE_LD
 671           || p->m_opcode == BRIG_OPCODE_ST);
 672 }
 673
 674 /* HSA instruction for atomic operations.  */
 675
 676 class hsa_insn_atomic : public hsa_insn_mem
 677 {
 678 public:
 679   hsa_insn_atomic (int nops, int opc, enum BrigAtomicOperation aop,
 680                    BrigType16_t t, BrigMemoryOrder memorder,
 681                    hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 682                    hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
 683
 684   /* The operation itself.  */
 685   enum BrigAtomicOperation m_atomicop;
 686
 687   /* Things like acquire/release/aligned.  */
 688   enum BrigMemoryOrder m_memoryorder;
 689
 690   /* Scope of the atomic operation.  */
 691   enum BrigMemoryScope m_memoryscope;
 692
 693 private:
 694   /* Make the default constructor inaccessible.  */
 695   hsa_insn_atomic () : hsa_insn_mem (1, BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
 696 };
 697
 698 /* Report whether or not P is an atomic instruction.  */
 699
 700 template <>
 701 template <>
 702 inline bool
 703 is_a_helper <hsa_insn_atomic *>::test (hsa_insn_basic *p)
 704 {
 705   return (p->m_opcode == BRIG_OPCODE_ATOMIC
 706           || p->m_opcode == BRIG_OPCODE_ATOMICNORET);
 707 }
 708
 709 /* HSA instruction for signal operations.  */
 710
 711 class hsa_insn_signal : public hsa_insn_basic
 712 {
 713 public:
 714   hsa_insn_signal (int nops, int opc, enum BrigAtomicOperation sop,
 715                    BrigType16_t t, BrigMemoryOrder memorder,
 716                    hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 717                    hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
 718
 719   /* Things like acquire/release/aligned.  */
 720   enum BrigMemoryOrder m_memory_order;
 721
 722   /* The operation itself.  */
 723   enum BrigAtomicOperation m_signalop;
 724 };
 725
 726 /* Report whether or not P is a signal instruction.  */
 727
 728 template <>
 729 template <>
 730 inline bool
 731 is_a_helper <hsa_insn_signal *>::test (hsa_insn_basic *p)
 732 {
 733   return (p->m_opcode == BRIG_OPCODE_SIGNAL
 734           || p->m_opcode == BRIG_OPCODE_SIGNALNORET);
 735 }
 736
 737 /* HSA instruction to convert between flat addressing and segments.  */
 738
 739 class hsa_insn_seg : public hsa_insn_basic
 740 {
 741 public:
 742   hsa_insn_seg (int opc, BrigType16_t destt, BrigType16_t srct,
 743                 BrigSegment8_t seg, hsa_op_base *arg0, hsa_op_base *arg1);
 744
 745   /* Source type.  Depends on the source addressing/segment.  */
 746   BrigType16_t m_src_type;
 747   /* The segment we are converting from or to.  */
 748   BrigSegment8_t m_segment;
 749 private:
 750   /* Make the default constructor inaccessible.  */
 751   hsa_insn_seg () : hsa_insn_basic (1, BRIG_OPCODE_STOF) {}
 752 };
 753
 754 /* Report whether or not P is a segment conversion instruction.  */
 755
 756 template <>
 757 template <>
 758 inline bool
 759 is_a_helper <hsa_insn_seg *>::test (hsa_insn_basic *p)
 760 {
 761   return (p->m_opcode == BRIG_OPCODE_STOF
 762           || p->m_opcode == BRIG_OPCODE_FTOS);
 763 }
 764
 765 /* Class for internal functions for purpose of HSA emission.  */
 766
 767 class hsa_internal_fn
 768 {
 769 public:
 770   hsa_internal_fn (enum internal_fn fn, unsigned type_bit_size):
 771     m_fn (fn), m_type_bit_size (type_bit_size), m_offset (0) {}
 772
 773   hsa_internal_fn (const hsa_internal_fn *f):
 774     m_fn (f->m_fn), m_type_bit_size (f->m_type_bit_size),
 775     m_offset (f->m_offset) {}
 776
 777   /* Return arity of the internal function.  */
 778   unsigned get_arity ();
 779
 780   /* Return BRIG type of N-th argument, if -1 is passed, return value type
 781      is received.  */
 782   BrigType16_t get_argument_type (int n);
 783
 784   /* Return function name.  The memory must be released by a caller.  */
 785   char *name ();
 786
 787   /* Internal function.  */
 788   enum internal_fn m_fn;
 789
 790   /* Bit width of return type.  */
 791   unsigned m_type_bit_size;
 792
 793   /* BRIG offset of declaration of the function.  */
 794   BrigCodeOffset32_t m_offset;
 795 };
 796
 797 /* HSA instruction for function call.  */
 798
 799 class hsa_insn_call : public hsa_insn_basic
 800 {
 801 public:
 802   hsa_insn_call (tree callee);
 803   hsa_insn_call (hsa_internal_fn *fn);
 804
 805   /* Default destructor.  */
 806   ~hsa_insn_call ();
 807
 808   /* Called function.  */
 809   tree m_called_function;
 810
 811   /* Called internal function.  */
 812   hsa_internal_fn *m_called_internal_fn;
 813
 814   /* Input formal arguments.  */
 815   auto_vec <hsa_symbol *> m_input_args;
 816
 817   /* Input arguments store instructions.  */
 818   auto_vec <hsa_insn_mem *> m_input_arg_insns;
 819
 820   /* Output argument, can be NULL for void functions.  */
 821   hsa_symbol *m_output_arg;
 822
 823   /* Called function code reference.  */
 824   hsa_op_code_ref m_func;
 825
 826   /* Code list for arguments of the function.  */
 827   hsa_op_code_list *m_args_code_list;
 828
 829   /* Code list for result of the function.  */
 830   hsa_op_code_list *m_result_code_list;
 831 private:
 832   /* Make the default constructor inaccessible.  */
 833   hsa_insn_call () : hsa_insn_basic (0, BRIG_OPCODE_CALL) {}
 834 };
 835
 836 /* Report whether or not P is a call instruction.  */
 837
 838 template <>
 839 template <>
 840 inline bool
 841 is_a_helper <hsa_insn_call *>::test (hsa_insn_basic *p)
 842 {
 843   return (p->m_opcode == BRIG_OPCODE_CALL);
 844 }
 845
 846 /* HSA call instruction block encapsulates definition of arguments,
 847    result type, corresponding loads and a possible store.
 848    Moreover, it contains a single call instruction.
 849    Emission of the instruction will produce multiple
 850    HSAIL instructions.  */
 851
 852 class hsa_insn_arg_block : public hsa_insn_basic
 853 {
 854 public:
 855   hsa_insn_arg_block (BrigKind brig_kind, hsa_insn_call * call);
 856
 857   /* Kind of argument block.  */
 858   BrigKind m_kind;
 859
 860   /* Call instruction.  */
 861   hsa_insn_call *m_call_insn;
 862 };
 863
 864 /* Report whether or not P is a call block instruction.  */
 865
 866 template <>
 867 template <>
 868 inline bool
 869 is_a_helper <hsa_insn_arg_block *>::test (hsa_insn_basic *p)
 870 {
 871   return (p->m_opcode == HSA_OPCODE_ARG_BLOCK);
 872 }
 873
 874 /* HSA comment instruction.  */
 875
 876 class hsa_insn_comment: public hsa_insn_basic
 877 {
 878 public:
 879   /* Constructor of class representing the comment in HSAIL.  */
 880   hsa_insn_comment (const char *s);
 881
 882   /* Default destructor.  */
 883   ~hsa_insn_comment ();
 884
 885   char *m_comment;
 886 };
 887
 888 /* Report whether or not P is a call block instruction.  */
 889
 890 template <>
 891 template <>
 892 inline bool
 893 is_a_helper <hsa_insn_comment *>::test (hsa_insn_basic *p)
 894 {
 895   return (p->m_opcode == BRIG_KIND_DIRECTIVE_COMMENT);
 896 }
 897
 898 /* HSA queue instruction.  */
 899
 900 class hsa_insn_queue: public hsa_insn_basic
 901 {
 902 public:
 903   hsa_insn_queue (int nops, int opcode, BrigSegment segment,
 904                   BrigMemoryOrder memory_order,
 905                   hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
 906                   hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
 907
 908   /* Destructor.  */
 909   ~hsa_insn_queue ();
 910
 911   /* Segment used to refer to the queue.  Must be global or flat.  */
 912   BrigSegment m_segment;
 913   /* Memory order used to specify synchronization.  */
 914   BrigMemoryOrder m_memory_order;
 915 };
 916
 917 /* Report whether or not P is a queue instruction.  */
 918
 919 template <>
 920 template <>
 921 inline bool
 922 is_a_helper <hsa_insn_queue *>::test (hsa_insn_basic *p)
 923 {
 924   return (p->m_opcode == BRIG_OPCODE_ADDQUEUEWRITEINDEX
 925           || p->m_opcode == BRIG_OPCODE_CASQUEUEWRITEINDEX
 926           || p->m_opcode == BRIG_OPCODE_LDQUEUEREADINDEX
 927           || p->m_opcode == BRIG_OPCODE_LDQUEUEWRITEINDEX
 928           || p->m_opcode == BRIG_OPCODE_STQUEUEREADINDEX
 929           || p->m_opcode == BRIG_OPCODE_STQUEUEWRITEINDEX);
 930 }
 931
 932 /* HSA source type instruction.  */
 933
 934 class hsa_insn_srctype: public hsa_insn_basic
 935 {
 936 public:
 937   hsa_insn_srctype (int nops, BrigOpcode opcode, BrigType16_t destt,
 938                    BrigType16_t srct, hsa_op_base *arg0, hsa_op_base *arg1,
 939                    hsa_op_base *arg2);
 940
 941   /* Source type.  */
 942   BrigType16_t m_source_type;
 943
 944   /* Destructor.  */
 945   ~hsa_insn_srctype ();
 946 };
 947
 948 /* Report whether or not P is a source type instruction.  */
 949
 950 template <>
 951 template <>
 952 inline bool
 953 is_a_helper <hsa_insn_srctype *>::test (hsa_insn_basic *p)
 954 {
 955   return (p->m_opcode == BRIG_OPCODE_POPCOUNT
 956           || p->m_opcode == BRIG_OPCODE_FIRSTBIT
 957           || p->m_opcode == BRIG_OPCODE_LASTBIT);
 958 }
 959
 960 /* HSA packed instruction.  */
 961
 962 class hsa_insn_packed : public hsa_insn_srctype
 963 {
 964 public:
 965   hsa_insn_packed (int nops, BrigOpcode opcode, BrigType16_t destt,
 966                    BrigType16_t srct, hsa_op_base *arg0, hsa_op_base *arg1,
 967                    hsa_op_base *arg2);
 968
 969   /* Operand list for an operand of the instruction.  */
 970   hsa_op_operand_list *m_operand_list;
 971
 972   /* Destructor.  */
 973   ~hsa_insn_packed ();
 974 };
 975
 976 /* Report whether or not P is a combine instruction.  */
 977
 978 template <>
 979 template <>
 980 inline bool
 981 is_a_helper <hsa_insn_packed *>::test (hsa_insn_basic *p)
 982 {
 983   return (p->m_opcode == BRIG_OPCODE_COMBINE
 984           || p->m_opcode == BRIG_OPCODE_EXPAND);
 985 }
 986
 987 /* HSA convert instruction.  */
 988
 989 class hsa_insn_cvt: public hsa_insn_basic
 990 {
 991 public:
 992   hsa_insn_cvt (hsa_op_with_type *dest, hsa_op_with_type *src);
 993 };
 994
 995 /* Report whether or not P is a convert instruction.  */
 996
 997 template <>
 998 template <>
 999 inline bool
1000 is_a_helper <hsa_insn_cvt *>::test (hsa_insn_basic *p)
1001 {
1002   return (p->m_opcode == BRIG_OPCODE_CVT);
1003 }
1004
1005 /* HSA alloca instruction.  */
1006
1007 class hsa_insn_alloca: public hsa_insn_basic
1008 {
1009 public:
1010   hsa_insn_alloca (hsa_op_with_type *dest, hsa_op_with_type *size,
1011                    unsigned alignment = 0);
1012
1013   /* Required alignment of the allocation.  */
1014   BrigAlignment8_t m_align;
1015 };
1016
1017 /* Report whether or not P is an alloca instruction.  */
1018
1019 template <>
1020 template <>
1021 inline bool
1022 is_a_helper <hsa_insn_alloca *>::test (hsa_insn_basic *p)
1023 {
1024   return (p->m_opcode == BRIG_OPCODE_ALLOCA);
1025 }
1026
1027 /* Basic block of HSA instructions.  */
1028
1029 class hsa_bb
1030 {
1031 public:
1032   hsa_bb (basic_block cfg_bb);
1033   hsa_bb (basic_block cfg_bb, int idx);
1034
1035   /* Append an instruction INSN into the basic block.  */
1036   void append_insn (hsa_insn_basic *insn);
1037
1038   /* Add a PHI instruction.  */
1039   void append_phi (hsa_insn_phi *phi);
1040
1041   /* The real CFG BB that this HBB belongs to.  */
1042   basic_block m_bb;
1043
1044   /* The operand that refers to the label to this BB.  */
1045   hsa_op_code_ref m_label_ref;
1046
1047   /* The first and last instruction.  */
1048   hsa_insn_basic *m_first_insn, *m_last_insn;
1049   /* The first and last phi node.  */
1050   hsa_insn_phi *m_first_phi, *m_last_phi;
1051
1052   /* Just a number to construct names from.  */
1053   int m_index;
1054
1055   auto_bitmap m_liveout, m_livein;
1056 private:
1057   /* Make the default constructor inaccessible.  */
1058   hsa_bb ();
1059   /* All objects are deallocated by destroying their pool, so make delete
1060      inaccessible too.  */
1061   void operator delete (void *) {}
1062 };
1063
1064 /* Return the corresponding HSA basic block structure for the given control
1065    flow basic_block BB.  */
1066
1067 static inline hsa_bb *
1068 hsa_bb_for_bb (basic_block bb)
1069 {
1070   return (struct hsa_bb *) bb->aux;
1071 }
1072
1073 /* Class for hashing local hsa_symbols.  */
1074
1075 struct hsa_noop_symbol_hasher : nofree_ptr_hash <hsa_symbol>
1076 {
1077   static inline hashval_t hash (const value_type);
1078   static inline bool equal (const value_type, const compare_type);
1079 };
1080
1081 /* Hash hsa_symbol.  */
1082
1083 inline hashval_t
1084 hsa_noop_symbol_hasher::hash (const value_type item)
1085 {
1086   return DECL_UID (item->m_decl);
1087 }
1088
1089 /* Return true if the DECL_UIDs of decls both symbols refer to are equal.  */
1090
1091 inline bool
1092 hsa_noop_symbol_hasher::equal (const value_type a, const compare_type b)
1093 {
1094   return (DECL_UID (a->m_decl) == DECL_UID (b->m_decl));
1095 }
1096
1097 /* Structure that encapsulates intermediate representation of a HSA
1098    function.  */
1099
1100 class hsa_function_representation
1101 {
1102 public:
1103   hsa_function_representation (tree fdecl, bool kernel_p,
1104                                unsigned ssa_names_count,
1105                                bool modified_cfg = false);
1106   hsa_function_representation (hsa_internal_fn *fn);
1107   ~hsa_function_representation ();
1108
1109   /* Builds a shadow register that is utilized to a kernel dispatch.  */
1110   hsa_op_reg *get_shadow_reg ();
1111
1112   /* Return true if we are in a function that has kernel dispatch
1113      shadow register.  */
1114   bool has_shadow_reg_p ();
1115
1116   /* The entry/exit blocks don't contain incoming code,
1117      but the HSA generator might use them to put code into,
1118      so we need hsa_bb instances of them.  */
1119   void init_extra_bbs ();
1120
1121   /* Update CFG dominators if m_modified_cfg flag is set.  */
1122   void update_dominance ();
1123
1124   /* Return linkage of the representation.  */
1125   BrigLinkage8_t get_linkage ();
1126
1127   /* Create a private symbol of requested TYPE.  */
1128   hsa_symbol *create_hsa_temporary (BrigType16_t type);
1129
1130   /* Lookup or create a HSA pseudo register for a given gimple SSA name.  */
1131   hsa_op_reg *reg_for_gimple_ssa (tree ssa);
1132
1133   /* Name of the function.  */
1134   char *m_name;
1135
1136   /* Number of allocated register structures.  */
1137   int m_reg_count;
1138
1139   /* Input arguments.  */
1140   vec <hsa_symbol *> m_input_args;
1141
1142   /* Output argument or NULL if there is none.  */
1143   hsa_symbol *m_output_arg;
1144
1145   /* Hash table of local variable symbols.  */
1146   hash_table <hsa_noop_symbol_hasher> *m_local_symbols;
1147
1148   /* Hash map for string constants.  */
1149   hash_map <tree, hsa_symbol *> m_string_constants_map;
1150
1151   /* Vector of pointers to spill symbols.  */
1152   vec <struct hsa_symbol *> m_spill_symbols;
1153
1154   /* Vector of pointers to global variables and transformed string constants
1155      that are used by the function.  */
1156   vec <struct hsa_symbol *> m_global_symbols;
1157
1158   /* Private function artificial variables.  */
1159   vec <struct hsa_symbol *> m_private_variables;
1160
1161   /* Vector of called function declarations.  */
1162   vec <tree> m_called_functions;
1163
1164   /* Vector of used internal functions.  */
1165   vec <hsa_internal_fn *> m_called_internal_fns;
1166
1167   /* Number of HBB BBs.  */
1168   int m_hbb_count;
1169
1170   /* Whether or not we could check and enforce SSA properties.  */
1171   bool m_in_ssa;
1172
1173   /* True if the function is kernel function.  */
1174   bool m_kern_p;
1175
1176   /* True if the function representation is a declaration.  */
1177   bool m_declaration_p;
1178
1179   /* Function declaration tree.  */
1180   tree m_decl;
1181
1182   /* Internal function info is used for declarations of internal functions.  */
1183   hsa_internal_fn *m_internal_fn;
1184
1185   /* Runtime shadow register.  */
1186   hsa_op_reg *m_shadow_reg;
1187
1188   /* Number of kernel dispatched which take place in the function.  */
1189   unsigned m_kernel_dispatch_count;
1190
1191   /* If the function representation contains a kernel dispatch,
1192      OMP data size is necessary memory that is used for copying before
1193      a kernel dispatch.  */
1194   unsigned m_maximum_omp_data_size;
1195
1196   /* Return true if there's an HSA-specific warning already seen.  */
1197   bool m_seen_error;
1198
1199   /* Counter for temporary symbols created in the function representation.  */
1200   unsigned m_temp_symbol_count;
1201
1202   /* SSA names mapping.  */
1203   vec <hsa_op_reg *> m_ssa_map;
1204
1205   /* Flag whether a function needs update of dominators before RA.  */
1206   bool m_modified_cfg;
1207 };
1208
1209 enum hsa_function_kind
1210 {
1211   HSA_NONE,
1212   HSA_KERNEL,
1213   HSA_FUNCTION
1214 };
1215
1216 struct hsa_function_summary
1217 {
1218   /* Default constructor.  */
1219   hsa_function_summary ();
1220
1221   /* Kind of GPU/host function.  */
1222   hsa_function_kind m_kind;
1223
1224   /* Pointer to a cgraph node which is a HSA implementation of the function.
1225      In case of the function is a HSA function, the bound function points
1226      to the host function.  */
1227   cgraph_node *m_bound_function;
1228
1229   /* Identifies if the function is an HSA function or a host function.  */
1230   bool m_gpu_implementation_p;
1231
1232   /* True if the function is a gridified kernel.  */
1233   bool m_gridified_kernel_p;
1234 };
1235
1236 inline
1237 hsa_function_summary::hsa_function_summary (): m_kind (HSA_NONE),
1238   m_bound_function (NULL), m_gpu_implementation_p (false)
1239 {
1240 }
1241
1242 /* Function summary for HSA functions.  */
1243 class hsa_summary_t: public function_summary <hsa_function_summary *>
1244 {
1245 public:
1246   hsa_summary_t (symbol_table *table):
1247     function_summary<hsa_function_summary *> (table) { }
1248
1249   /* Couple GPU and HOST as gpu-specific and host-specific implementation of
1250      the same function.  KIND determines whether GPU is a host-invokable kernel
1251      or gpu-callable function and GRIDIFIED_KERNEL_P is set if the function was
1252      gridified in OMP.  */
1253
1254   void link_functions (cgraph_node *gpu, cgraph_node *host,
1255                        hsa_function_kind kind, bool gridified_kernel_p);
1256
1257 private:
1258   void process_gpu_implementation_attributes (tree gdecl);
1259 };
1260
1261 /* OMP simple builtin describes behavior that should be done for
1262    the routine.  */
1263 class omp_simple_builtin
1264 {
1265 public:
1266   omp_simple_builtin (const char *name, const char *warning_message,
1267                bool sorry, hsa_op_immed *return_value = NULL):
1268     m_name (name), m_warning_message (warning_message), m_sorry (sorry),
1269     m_return_value (return_value)
1270   {}
1271
1272   /* Generate HSAIL instructions for the builtin or produce warning message.  */
1273   void generate (gimple *stmt, hsa_bb *hbb);
1274
1275   /* Name of function.  */
1276   const char *m_name;
1277
1278   /* Warning message.  */
1279   const char *m_warning_message;
1280
1281   /* Flag if we should sorry after the warning message is printed.  */
1282   bool m_sorry;
1283
1284   /* Return value of the function.  */
1285   hsa_op_immed *m_return_value;
1286
1287   /* Emission function.  */
1288   void (*m_emit_func) (gimple *stmt, hsa_bb *);
1289 };
1290
1291 /* Class for hashing hsa_internal_fn.  */
1292
1293 struct hsa_internal_fn_hasher: free_ptr_hash <hsa_internal_fn>
1294 {
1295   static inline hashval_t hash (const value_type);
1296   static inline bool equal (const value_type, const compare_type);
1297 };
1298
1299 /* Hash hsa_symbol.  */
1300
1301 inline hashval_t
1302 hsa_internal_fn_hasher::hash (const value_type item)
1303 {
1304   return item->m_fn;
1305 }
1306
1307 /* Return true if the DECL_UIDs of decls both symbols refer to  are equal.  */
1308
1309 inline bool
1310 hsa_internal_fn_hasher::equal (const value_type a, const compare_type b)
1311 {
1312   return a->m_fn == b->m_fn && a->m_type_bit_size == b->m_type_bit_size;
1313 }
1314
1315 /* in hsa-common.c */
1316 extern struct hsa_function_representation *hsa_cfun;
1317 extern hash_map <tree, vec <const char *> *> *hsa_decl_kernel_dependencies;
1318 extern hsa_summary_t *hsa_summaries;
1319 extern hsa_symbol *hsa_num_threads;
1320 extern unsigned hsa_kernel_calls_counter;
1321 extern hash_set <tree> *hsa_failed_functions;
1322 extern hash_table <hsa_noop_symbol_hasher> *hsa_global_variable_symbols;
1323
1324 bool hsa_callable_function_p (tree fndecl);
1325 void hsa_init_compilation_unit_data (void);
1326 void hsa_deinit_compilation_unit_data (void);
1327 bool hsa_machine_large_p (void);
1328 bool hsa_full_profile_p (void);
1329 bool hsa_opcode_floating_bit_insn_p (BrigOpcode16_t);
1330 unsigned hsa_type_bit_size (BrigType16_t t);
1331 BrigType16_t hsa_bittype_for_bitsize (unsigned bitsize);
1332 BrigType16_t hsa_uint_for_bitsize (unsigned bitsize);
1333 BrigType16_t hsa_float_for_bitsize (unsigned bitsize);
1334 BrigType16_t hsa_bittype_for_type (BrigType16_t t);
1335 BrigType16_t hsa_unsigned_type_for_type (BrigType16_t t);
1336 bool hsa_type_packed_p (BrigType16_t type);
1337 bool hsa_type_float_p (BrigType16_t type);
1338 bool hsa_type_integer_p (BrigType16_t type);
1339 bool hsa_btype_p (BrigType16_t type);
1340 BrigAlignment8_t hsa_alignment_encoding (unsigned n);
1341 BrigAlignment8_t hsa_natural_alignment (BrigType16_t type);
1342 BrigAlignment8_t hsa_object_alignment (tree t);
1343 unsigned hsa_byte_alignment (BrigAlignment8_t alignment);
1344 void hsa_destroy_operand (hsa_op_base *op);
1345 void hsa_destroy_insn (hsa_insn_basic *insn);
1346 void hsa_add_kern_decl_mapping (tree decl, char *name, unsigned, bool);
1347 unsigned hsa_get_number_decl_kernel_mappings (void);
1348 tree hsa_get_decl_kernel_mapping_decl (unsigned i);
1349 char *hsa_get_decl_kernel_mapping_name (unsigned i);
1350 unsigned hsa_get_decl_kernel_mapping_omp_size (unsigned i);
1351 bool hsa_get_decl_kernel_mapping_gridified (unsigned i);
1352 void hsa_free_decl_kernel_mapping (void);
1353 tree *hsa_get_ctor_statements (void);
1354 tree *hsa_get_dtor_statements (void);
1355 tree *hsa_get_kernel_dispatch_type (void);
1356 void hsa_add_kernel_dependency (tree caller, const char *called_function);
1357 void hsa_sanitize_name (char *p);
1358 char *hsa_brig_function_name (const char *p);
1359 const char *hsa_get_declaration_name (tree decl);
1360 void hsa_register_kernel (cgraph_node *host);
1361 void hsa_register_kernel (cgraph_node *gpu, cgraph_node *host);
1362 bool hsa_seen_error (void);
1363 void hsa_fail_cfun (void);
1364
1365 /* In hsa-gen.c.  */
1366 void hsa_build_append_simple_mov (hsa_op_reg *, hsa_op_base *, hsa_bb *);
1367 hsa_symbol *hsa_get_spill_symbol (BrigType16_t);
1368 hsa_symbol *hsa_get_string_cst_symbol (BrigType16_t);
1369 hsa_op_reg *hsa_spill_in (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
1370 hsa_op_reg *hsa_spill_out (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
1371 hsa_bb *hsa_init_new_bb (basic_block);
1372 hsa_function_representation *hsa_generate_function_declaration (tree decl);
1373 hsa_function_representation *hsa_generate_internal_fn_decl (hsa_internal_fn *);
1374 tree hsa_get_host_function (tree decl);
1375
1376 /* In hsa-regalloc.c.  */
1377 void hsa_regalloc (void);
1378
1379 /* In hsa-brig.c.  */
1380 extern hash_table <hsa_internal_fn_hasher> *hsa_emitted_internal_decls;
1381 void hsa_brig_emit_function (void);
1382 void hsa_output_brig (void);
1383 unsigned hsa_get_imm_brig_type_len (BrigType16_t type);
1384 void hsa_brig_emit_omp_symbols (void);
1385
1386 /*  In hsa-dump.c.  */
1387 const char *hsa_seg_name (BrigSegment8_t);
1388 void dump_hsa_insn (FILE *f, hsa_insn_basic *insn);
1389 void dump_hsa_bb (FILE *, hsa_bb *);
1390 void dump_hsa_cfun (FILE *);
1391 DEBUG_FUNCTION void debug_hsa_operand (hsa_op_base *opc);
1392 DEBUG_FUNCTION void debug_hsa_insn (hsa_insn_basic *insn);
1393
1394 union hsa_bytes
1395 {
1396   uint8_t b8;
1397   uint16_t b16;
1398   uint32_t b32;
1399   uint64_t b64;
1400 };
1401
1402 /* Return true if a function DECL is an HSA implementation.  */
1403
1404 static inline bool
1405 hsa_gpu_implementation_p (tree decl)
1406 {
1407   if (hsa_summaries == NULL)
1408     return false;
1409
1410   hsa_function_summary *s = hsa_summaries->get (cgraph_node::get_create (decl));
1411
1412   return s->m_gpu_implementation_p;
1413 }
1414
1415 #endif /* HSA_H */