[Tcwg-commits] [SCM] Linaro gcc mirror + linaro-local branches branch hsa updated. b38386c70287847060725d1c9c35dceb1f52049e

8 Jul 2015

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The branch, hsa has been updated
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Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit b38386c70287847060725d1c9c35dceb1f52049e
Merge: ec3c539 8241864
Author: jamborm jamborm@138bc75d-0d04-0410-961f-82ee72b054a4
Date:   Wed Jul 8 11:39:26 2015 +0000
Merged trunk revision 225504 into the hsa branch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/hsa@225544 138bc75d-0d04-0410-961f-82ee72b054a4
diff --cc gcc/hsa-brig.c
index fcef710,0000000..2aac30a
mode 100644,000000..100644

--- a/gcc/hsa-brig.c
+++ b/gcc/hsa-brig.c
@@@ -1,1893 -1,0 +1,1891 @@@
 +/* Producing binary form of HSA BRIG from our internal representation.
 +   Copyright (C) 2013 Free Software Foundation, Inc.
 +
 +This file is part of GCC.
 +
 +GCC is free software; you can redistribute it and/or modify
 +it under the terms of the GNU General Public License as published by
 +the Free Software Foundation; either version 3, or (at your option)
 +any later version.
 +
 +GCC is distributed in the hope that it will be useful,
 +but WITHOUT ANY WARRANTY; without even the implied warranty of
 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 +GNU General Public License for more details.
 +
 +You should have received a copy of the GNU General Public License
 +along with GCC; see the file COPYING3.  If not see
 +http://www.gnu.org/licenses/.  */
 +
 +#include "config.h"
 +#include "system.h"
 +#include "coretypes.h"
 +#include "tm.h"
 +#include "defaults.h"
 +#include "hard-reg-set.h"
 +#include "hash-set.h"
 +#include "is-a.h"
 +#include "vec.h"
 +#include "symtab.h"
 +#include "input.h"
 +#include "alias.h"
 +#include "double-int.h"
 +#include "inchash.h"
 +#include "tree.h"
 +#include "tree-iterator.h"
 +#include "machmode.h"
 +#include "stor-layout.h"
 +#include "tree-cfg.h"
 +#include "tree-ssa-alias.h"
 +#include "machmode.h"
 +#include "output.h"
 +#include "gimple-expr.h"
 +#include "dominance.h"
 +#include "cfg.h"
 +#include "function.h"
 +#include "predict.h"
 +#include "basic-block.h"
 +#include "fold-const.h"
 +#include "gimple.h"
 +#include "stringpool.h"
 +#include "gimple-pretty-print.h"
 +#include "diagnostic-core.h"
 +#include "hash-map.h"
 +#include "ipa-ref.h"
 +#include "lto-streamer.h"
 +#include "cgraph.h"
 +#include "real.h"
 +#include "hsa.h"
 +
 +#define BRIG_ELF_SECTION_NAME ".brig"
 +#define BRIG_LABEL_STRING "hsa_brig"
 +#define BRIG_SECTION_DATA_NAME    "hsa_data"
 +#define BRIG_SECTION_CODE_NAME    "hsa_code"
 +#define BRIG_SECTION_OPERAND_NAME "hsa_operand"
 +
 +#define BRIG_CHUNK_MAX_SIZE (64 * 1024)
 +
 +/* FIXME: The code below uses endian.h routines to convert numbers to
 +   little-endian.  I suspect this only works on glibc platforms, so we might
 +   need an alternative solution later.  */
 +
 +/* Chunks of BRIG binary data.  */
 +
 +struct hsa_brig_data_chunk
 +{
 +  /* Size of the data already stored into a chunk.  */
 +  unsigned size;
 +
 +  /* Pointer to the data.  */
 +  char *data;
 +};
 +
 +/* Structure representing a BRIG section, holding and writing its data.  */
 +
 +class hsa_brig_section
 +{
 +public:
 +  /* Section name that will be output to the BRIG.  */
 +  const char *section_name;
 +  /* Size in bytes of all data stored in the section.  */
 +  unsigned total_size;
 +  /* The size of the header of the section including padding. */
 +  unsigned header_byte_count;
 +  /* The size of the header of the section without any padding.  */
 +  unsigned header_byte_delta;
 +
 +  /* Buffers of binary data, each containing BRIG_CHUNK_MAX_SIZE bytes.  */
 +  vec <struct hsa_brig_data_chunk> chunks;
 +
 +  /* More convenient access to the last chunk from the vector above. */
 +  struct hsa_brig_data_chunk *cur_chunk;
 +
 +  void allocate_new_chunk ();
 +  void init (const char *name);
 +  void release ();
 +  void output ();
 +  unsigned add (const void *data, unsigned len);
 +  void round_size_up (int factor);
 +  void *get_ptr_by_offset (unsigned int offset);
 +};
 +
 +static struct hsa_brig_section brig_data, brig_code, brig_operand;
 +static uint32_t brig_insn_count;
 +static bool brig_initialized = false;
 +
 +/* Mapping between emitted HSA functions and their offset in code segment.  */
 +static hash_map<tree, BrigCodeOffset32_t> *function_offsets;
 +
 +struct function_linkage_pair
 +{
 +  function_linkage_pair (tree decl, unsigned int off):
 +    function_decl (decl), offset (off) {}
 +
 +  /* Declaration of called function.  */
 +  tree function_decl;
 +
 +  /* Offset in operand section.  */
 +  unsigned int offset;
 +};
 +
 +/* Add a new chunk, allocate data for it and initialize it.  */
 +
 +void
 +hsa_brig_section::allocate_new_chunk ()
 +{
 +  struct hsa_brig_data_chunk new_chunk;
 +
 +  new_chunk.data = XCNEWVEC (char, BRIG_CHUNK_MAX_SIZE);
 +  new_chunk.size = 0;
 +  cur_chunk = chunks.safe_push (new_chunk);
 +}
 +
 +/* Initialize the brig section.  */
 +
 +void
 +hsa_brig_section::init (const char *name)
 +{
 +  section_name = name;
 +  /* While the following computation is basically wrong, because the intent
 +     certainly wasn't to have the first character of name and padding, which
 +     are a part of sizeof (BrigSectionHeader), included in the first addend,
 +     this is what the disassembler expects.  */
 +  total_size = sizeof (BrigSectionHeader) + strlen(section_name);
 +  chunks.create (1);
 +  allocate_new_chunk ();
 +  header_byte_delta = total_size;
 +  round_size_up (4);
 +  header_byte_count = total_size;
 +}
 +
 +/* Free all data in the section.  */
 +
 +void
 +hsa_brig_section::release ()
 +{
 +  for (unsigned i = 0; i < chunks.length (); i++)
 +    free (chunks[i].data);
 +  chunks.release ();
 +  cur_chunk = NULL;
 +}
 +
 +/* Write the section to the output file to a section with the name given at
 +   initialization.  Switches the output section and does not restore it.  */
 +
 +void
 +hsa_brig_section::output ()
 +{
 +  struct BrigSectionHeader section_header;
 +  char padding[8];
 +
 +  section_header.byteCount = htole64 (total_size);
 +  section_header.headerByteCount = htole32 (header_byte_count);
 +  section_header.nameLength = htole32 (strlen(section_name));
 +  assemble_string ((const char*) &section_header, 16);
 +  assemble_string (section_name, (section_header.nameLength));
 +  memset (&padding, 0, sizeof (padding));
 +  /* This is also a consequence of the wrong header size computation described
 +     in a comment in hsa_brig_section::init.  */
 +  assemble_string (padding, 8);
 +  for (unsigned i = 0; i < chunks.length (); i++)
 +    assemble_string (chunks[i].data, chunks[i].size);
 +}
 +
 +/* Add to the stream LEN bytes of opaque binary DATA.  Return the offset at
 +   which it was stored.  */
 +
 +unsigned
 +hsa_brig_section::add (const void *data, unsigned len)
 +{
 +  unsigned offset = total_size;
 +
 +  gcc_assert (len <= BRIG_CHUNK_MAX_SIZE);
 +  if (cur_chunk->size > (BRIG_CHUNK_MAX_SIZE - len))
 +    allocate_new_chunk ();
 +
 +  memcpy (cur_chunk->data + cur_chunk->size, data, len);
 +  cur_chunk->size += len;
 +  total_size += len;
 +
 +  return offset;
 +}
 +
 +/* Add padding to section so that its size is divisible by FACTOR.  */
 +
 +void
 +hsa_brig_section::round_size_up (int factor)
 +{
 +  unsigned padding, res = total_size % factor;
 +
 +  if (res == 0)
 +    return;
 +
 +  padding = factor - res;
 +  total_size += padding;
 +  if (cur_chunk->size > (BRIG_CHUNK_MAX_SIZE - padding))
 +    {
 +      padding -= BRIG_CHUNK_MAX_SIZE - cur_chunk->size;
 +      cur_chunk->size = BRIG_CHUNK_MAX_SIZE;
 +      allocate_new_chunk ();
 +    }
 +
 +  cur_chunk->size += padding;
 +}
 +
 +/* Return pointer to data by global OFFSET in the section.  */
 +
 +void*
 +hsa_brig_section::get_ptr_by_offset (unsigned int offset)
 +{
 +  gcc_assert (offset < total_size);
 +
 +  offset -= header_byte_delta;
 +  unsigned int i;
 +
 +  for (i = 0; offset >= chunks[i].size; i++)
 +    offset -= chunks[i].size;
 +
 +  return chunks[i].data + offset;
 +}
 +
 +/* BRIG string data hashing.  */
 +
 +struct brig_string_slot
 +{
 +  const char *s;
 +  char prefix;
 +  int len;
 +  uint32_t offset;
 +};
 +
 +/* Hash table helpers.  */
 +
- struct brig_string_slot_hasher
++struct brig_string_slot_hasher : pointer_hash <brig_string_slot>
 +{
-   typedef brig_string_slot *value_type;
-   typedef brig_string_slot *compare_type;
 +  static inline hashval_t hash (const value_type);
 +  static inline bool equal (const value_type, const compare_type);
 +  static inline void remove (value_type);
 +};
 +
 +/* Returns a hash code for DS.  Adapted from libiberty's htab_hash_string
 +   to support strings that may not end in '\0'.  */
 +
 +inline hashval_t
 +brig_string_slot_hasher::hash (const value_type ds)
 +{
 +  hashval_t r = ds->len;
 +  int i;
 +
 +  for (i = 0; i < ds->len; i++)
 +     r = r * 67 + (unsigned)ds->s[i] - 113;
 +  r = r * 67 + (unsigned)ds->prefix - 113;
 +  return r;
 +}
 +
 +/* Returns nonzero if DS1 and DS2 are equal.  */
 +
 +inline bool
 +brig_string_slot_hasher::equal (const value_type ds1, const compare_type ds2)
 +{
 +  if (ds1->len == ds2->len)
 +    return ds1->prefix == ds2->prefix && memcmp (ds1->s, ds2->s, ds1->len) == 0;
 +
 +  return 0;
 +}
 +
 +/* Deallocate memory for DS upon its removal.  */
 +
 +inline void
 +brig_string_slot_hasher::remove (value_type ds)
 +{
 +  free (const_cast<char*> (ds->s));
 +  free (ds);
 +}
 +
 +/* Hash for strings we output in order not to duplicate them needlessly.  */
 +
 +static hash_table<brig_string_slot_hasher> *brig_string_htab;
 +
 +/* Emit a null terminated string STR to the data section and return its
 +   offset in it.  If PREFIX is non-zero, output it just before STR too.  */
 +
 +static unsigned
 +brig_emit_string (const char *str, char prefix = 0)
 +{
 +  unsigned slen = strlen (str);
 +  unsigned offset, len = slen + (prefix ? 1 : 0);
 +  uint32_t hdr_len = htole32 (len);
 +  brig_string_slot s_slot;
 +  brig_string_slot **slot;
 +  char *str2;
 +
 +  /* XXX Sanitize the names without all the strdup.  */
 +  str2 = xstrdup (str);
 +  hsa_sanitize_name (str2);
 +  s_slot.s = str2;
 +  s_slot.len = slen;
 +  s_slot.prefix = prefix;
 +  s_slot.offset = 0;
 +
 +  slot = brig_string_htab->find_slot (&s_slot, INSERT);
 +  if (*slot == NULL)
 +    {
 +      brig_string_slot *new_slot = XCNEW (brig_string_slot);
 +
 +      /* In theory we should fill in BrigData but that would mean copying
 +         the string to a buffer for no reason, so we just emulate it. */
 +      offset = brig_data.add (&hdr_len, sizeof (hdr_len));
 +      if (prefix)
 +        brig_data.add (&prefix, 1);
 +
 +      brig_data.add (str2, slen);
 +      brig_data.round_size_up (4);
 +
 +      /* XXX could use the string we just copied into brig_string->cur_chunk */
 +      new_slot->s = str2;
 +      new_slot->len = slen;
 +      new_slot->prefix = prefix;
 +      new_slot->offset = offset;
 +      *slot = new_slot;
 +    }
 +  else
 +    {
 +      offset = (*slot)->offset;
 +      free (str2);
 +    }
 +
 +  return offset;
 +}
 +
 +/* Linked list of queued operands.  */
 +
 +static struct operand_queue
 +{
 +  /* First from the chain of queued operands.  */
 +  hsa_op_base *first_op, *last_op;
 +
 +  /* The offset at which the next operand will be enqueued.  */
 +  unsigned projected_size;
 +
 +} op_queue;
 +
 +/* Unless already initialized, initialize infrastructure to produce BRIG.  */
 +
 +static void
 +brig_init (void)
 +{
 +  brig_insn_count = 0;
 +
 +  if (brig_initialized)
 +    return;
 +
 +  brig_string_htab = new hash_table<brig_string_slot_hasher> (37);
 +  brig_data.init (BRIG_SECTION_DATA_NAME);
 +  brig_code.init (BRIG_SECTION_CODE_NAME);
 +  brig_operand.init (BRIG_SECTION_OPERAND_NAME);
 +  brig_initialized = true;
 +
 +  struct BrigDirectiveModule moddir;
 +  memset (&moddir, 0, sizeof (moddir));
 +  moddir.base.byteCount = htole16 (sizeof (moddir));
 +
 +  char *modname;
 +  if (main_input_filename && *main_input_filename != '\0')
 +    {
 +      const char *part = strrchr (main_input_filename, '/');
 +      if (!part)
 +	part = main_input_filename;
 +      else
 +	part++;
 +      asprintf (&modname, "&%s", part);
 +      char* extension = strchr (modname, '.');
 +      if (extension)
 +	*extension = '\0';
 +      moddir.name = brig_emit_string (modname);
 +      free (modname);
 +    }
 +  else
 +    moddir.name = brig_emit_string ("unnamed_brig_module", '&');
 +  moddir.base.kind = htole16 (BRIG_KIND_DIRECTIVE_MODULE);
 +  moddir.hsailMajor = htole32 (BRIG_VERSION_HSAIL_MAJOR) ;
 +  moddir.hsailMinor = htole32 (BRIG_VERSION_HSAIL_MINOR);
 +  moddir.profile = hsa_full_profile_p () ? BRIG_PROFILE_FULL: BRIG_PROFILE_BASE;
 +  if (hsa_machine_large_p ())
 +    moddir.machineModel = BRIG_MACHINE_LARGE;
 +  else
 +    moddir.machineModel = BRIG_MACHINE_SMALL;
 +  moddir.defaultFloatRound = BRIG_ROUND_FLOAT_DEFAULT;
 +  brig_code.add (&moddir, sizeof (moddir));
 +}
 +
 +/* Free all BRIG data.  */
 +
 +static void
 +brig_release_data (void)
 +{
 +  delete brig_string_htab;
 +  brig_data.release ();
 +  brig_code.release ();
 +  brig_operand.release ();
 +
 +  brig_initialized = 0;
 +}
 +
 +/* Find the alignment base on the type.  */
 +
 +static BrigAlignment8_t
 +get_alignment (BrigType16_t type)
 +{
 +  unsigned bit_size ;
 +  bit_size = hsa_type_bit_size (type & ~BRIG_TYPE_ARRAY);
 +
 +  if (bit_size == 1)
 +    return BRIG_ALIGNMENT_1;
 +  if (bit_size == 8)
 +    return BRIG_ALIGNMENT_1;
 +  if (bit_size == 16)
 +    return BRIG_ALIGNMENT_2;
 +  if (bit_size == 32)
 +    return BRIG_ALIGNMENT_4;
 +  if (bit_size == 64)
 +    return BRIG_ALIGNMENT_8;
 +  if (bit_size == 128)
 +    return BRIG_ALIGNMENT_16;
 +  gcc_unreachable ();
 +}
 +
 +/* Emit directive describing a symbol if it has not been emitted already.
 +   Return the offset of the directive.  */
 +
 +static unsigned
 +emit_directive_variable (struct hsa_symbol *symbol)
 +{
 +  struct BrigDirectiveVariable dirvar;
 +  unsigned name_offset;
 +  static unsigned res_name_offset;
 +  char prefix;
 +
 +  if (symbol->directive_offset)
 +    return symbol->directive_offset;
 +
 +  memset (&dirvar, 0, sizeof (dirvar));
 +  dirvar.base.byteCount = htole16 (sizeof (dirvar));
 +  dirvar.base.kind = htole16 (BRIG_KIND_DIRECTIVE_VARIABLE);
 +  dirvar.allocation = BRIG_ALLOCATION_AUTOMATIC;
 +
 +  if (symbol->decl && is_global_var (symbol->decl))
 +    {
 +      prefix = '&';
 +      dirvar.allocation = BRIG_ALLOCATION_PROGRAM ;
 +      if (TREE_CODE (symbol->decl) == VAR_DECL)
 +	warning (0, "referring to global symbol %q+D by name from HSA code "
 +		 "won't work", symbol->decl);
 +    }
 +  else
 +    prefix = '%';
 +
 +  if (symbol->decl && TREE_CODE (symbol->decl) == RESULT_DECL)
 +    {
 +      if (res_name_offset == 0)
 +	res_name_offset = brig_emit_string (symbol->name, '%');
 +      name_offset = res_name_offset;
 +    }
 +  else if (symbol->name)
 +    name_offset = brig_emit_string (symbol->name, prefix);
 +  else
 +    {
 +      char buf[64];
 +      sprintf (buf, "__%s_%i", hsa_seg_name (symbol->segment),
 +	       symbol->name_number);
 +      name_offset = brig_emit_string (buf, prefix);
 +    }
 +
 +  dirvar.name = htole32 (name_offset);
 +  dirvar.init = 0;
 +  dirvar.type = htole16 (symbol->type);
 +  dirvar.segment = symbol->segment;
 +  dirvar.align = get_alignment (dirvar.type);
 +  dirvar.linkage = symbol->linkage;
 +  dirvar.dim.lo = (uint32_t) symbol->dim;
 +  dirvar.dim.hi = (uint32_t) ((unsigned long long) symbol->dim >> 32);
 +  dirvar.modifier.allBits |= BRIG_VARIABLE_DEFINITION;
 +  dirvar.reserved = 0;
 +
 +  symbol->directive_offset = brig_code.add (&dirvar, sizeof (dirvar));
 +  return symbol->directive_offset;
 +}
 +
 +/* Emit directives describing either a function declaration or
 +   definition F.  */
 +
 +static BrigDirectiveExecutable *
 +emit_function_directives (hsa_function_representation *f)
 +{
 +  struct BrigDirectiveExecutable fndir;
 +  unsigned name_offset, inarg_off, scoped_off, next_toplev_off;
 +  int count = 0;
 +  BrigDirectiveExecutable *ptr_to_fndir;
 +  hsa_symbol *sym;
 +
 +  name_offset = brig_emit_string (f->name, '&');
 +  inarg_off = brig_code.total_size + sizeof(fndir)
 +    + (f->output_arg ? sizeof (struct BrigDirectiveVariable) : 0);
 +  scoped_off = inarg_off
 +    + f->input_args_count * sizeof (struct BrigDirectiveVariable);
 +
 +  if (!f->declaration_p)
 +    {
 +      for (hash_table <hsa_noop_symbol_hasher>::iterator iter
 +	     = f->local_symbols->begin ();
 +	   iter != f->local_symbols->end ();
 +	   ++iter)
 +	if (TREE_CODE ((*iter)->decl) == VAR_DECL)
 +	  count++;
 +      count += f->spill_symbols.length ();
 +    }
 +
 +  next_toplev_off = scoped_off + count * sizeof (struct BrigDirectiveVariable);
 +
 +  memset (&fndir, 0, sizeof (fndir));
 +  fndir.base.byteCount = htole16 (sizeof (fndir));
 +  fndir.base.kind = htole16 (f->kern_p ? BRIG_KIND_DIRECTIVE_KERNEL
 +			     : BRIG_KIND_DIRECTIVE_FUNCTION);
 +  fndir.name = htole32 (name_offset);
 +  fndir.inArgCount = htole16 (f->input_args_count);
 +  fndir.outArgCount = htole16 (f->output_arg ? 1 : 0);
 +  fndir.firstInArg = htole32 (inarg_off);
 +  fndir.firstCodeBlockEntry = htole32 (scoped_off);
 +  fndir.nextModuleEntry = htole32 (next_toplev_off);
 +  fndir.linkage = f->kern_p || TREE_PUBLIC (f->decl) ? BRIG_LINKAGE_PROGRAM :
 +    BRIG_LINKAGE_MODULE;
 +
 +  if (!f->declaration_p)
 +    fndir.modifier.allBits |= BRIG_EXECUTABLE_DEFINITION;
 +  memset (&fndir.reserved, 0, sizeof (fndir.reserved));
 +
 +  function_offsets->put (f->decl, brig_code.total_size);
 +
 +  brig_code.add (&fndir, sizeof (fndir));
 +  /* XXX terrible hack: we need to set instCount after we emit all
 +     insns, but we need to emit directive in order, and we emit directives
 +     during insn emitting.  So we need to emit the FUNCTION directive
 +     early, then the insns, and then we need to set instCount, so remember
 +     a pointer to it, in some horrible way.  cur_chunk.data+size points
 +     directly to after fndir here.  */
 +  ptr_to_fndir
 +      = (BrigDirectiveExecutable *)(brig_code.cur_chunk->data
 +                                    + brig_code.cur_chunk->size
 +                                    - sizeof (fndir));
 +
 +  if (f->output_arg)
 +    emit_directive_variable (f->output_arg);
 +  for (unsigned i = 0; i < f->input_args_count; i++)
 +    emit_directive_variable (&f->input_args[i]);
 +
 +  if (!f->declaration_p)
 +    {
 +      for (hash_table <hsa_noop_symbol_hasher>::iterator iter
 +	     = f->local_symbols->begin ();
 +	   iter != f->local_symbols->end ();
 +	   ++iter)
 +	{
 +	  if (TREE_CODE ((*iter)->decl) == VAR_DECL)
 +	    brig_insn_count++;
 +	  emit_directive_variable (*iter);
 +	}
 +      for (int i = 0; f->spill_symbols.iterate (i, &sym); i++)
 +	{
 +	  emit_directive_variable (sym);
 +	  brig_insn_count++;
 +	}
 +    }
 +
 +  return ptr_to_fndir;
 +}
 +
 +/* Emit a label directive for the given HBB.  We assume it is about to start on
 +   the current offset in the code section.  */
 +
 +static void
 +emit_bb_label_directive (hsa_bb *hbb)
 +{
 +  struct BrigDirectiveLabel lbldir;
 +  char buf[32];
 +
 +  lbldir.base.byteCount = htole16 (sizeof (lbldir));
 +  lbldir.base.kind = htole16 (BRIG_KIND_DIRECTIVE_LABEL);
 +  sprintf (buf, "BB_%u_%i", DECL_UID (current_function_decl), hbb->index);
 +  lbldir.name = htole32 (brig_emit_string (buf, '@'));
 +
 +  hbb->label_ref.directive_offset = brig_code.add (&lbldir, sizeof (lbldir));
 +  brig_insn_count++;
 +}
 +
 +/* Map a normal HSAIL type to the type of the equivalent BRIG operand
 +   holding such, for constants and registers.  */
 +
 +static BrigType16_t
 +regtype_for_type (BrigType16_t t)
 +{
 +  switch (t)
 +    {
 +    case BRIG_TYPE_B1:
 +      return BRIG_TYPE_B1;
 +
 +    case BRIG_TYPE_U8:
 +    case BRIG_TYPE_U16:
 +    case BRIG_TYPE_U32:
 +    case BRIG_TYPE_S8:
 +    case BRIG_TYPE_S16:
 +    case BRIG_TYPE_S32:
 +    case BRIG_TYPE_B8:
 +    case BRIG_TYPE_B16:
 +    case BRIG_TYPE_B32:
 +    case BRIG_TYPE_F16:
 +    case BRIG_TYPE_F32:
 +    case BRIG_TYPE_U8X4:
 +    case BRIG_TYPE_U16X2:
 +    case BRIG_TYPE_S8X4:
 +    case BRIG_TYPE_S16X2:
 +    case BRIG_TYPE_F16X2:
 +      return BRIG_TYPE_B32;
 +
 +    case BRIG_TYPE_U64:
 +    case BRIG_TYPE_S64:
 +    case BRIG_TYPE_F64:
 +    case BRIG_TYPE_B64:
 +    case BRIG_TYPE_U8X8:
 +    case BRIG_TYPE_U16X4:
 +    case BRIG_TYPE_U32X2:
 +    case BRIG_TYPE_S8X8:
 +    case BRIG_TYPE_S16X4:
 +    case BRIG_TYPE_S32X2:
 +    case BRIG_TYPE_F16X4:
 +    case BRIG_TYPE_F32X2:
 +
 +      return BRIG_TYPE_B64;
 +
 +    case BRIG_TYPE_B128:
 +    case BRIG_TYPE_U8X16:
 +    case BRIG_TYPE_U16X8:
 +    case BRIG_TYPE_U32X4:
 +    case BRIG_TYPE_U64X2:
 +    case BRIG_TYPE_S8X16:
 +    case BRIG_TYPE_S16X8:
 +    case BRIG_TYPE_S32X4:
 +    case BRIG_TYPE_S64X2:
 +    case BRIG_TYPE_F16X8:
 +    case BRIG_TYPE_F32X4:
 +    case BRIG_TYPE_F64X2:
 +      return BRIG_TYPE_B128;
 +
 +    default:
 +      gcc_unreachable ();
 +    }
 +}
 +
 +/* Enqueue operation OP.  Return the offset at which it will be stored.  */
 +
 +unsigned int
 +enqueue_op (hsa_op_base *op)
 +{
 +  unsigned ret;
 +
 +  if (op->brig_op_offset)
 +    return op->brig_op_offset;
 +
 +  ret = op_queue.projected_size;
 +  op->brig_op_offset = op_queue.projected_size;
 +
 +  if (!op_queue.first_op)
 +    op_queue.first_op = op;
 +  else
 +    op_queue.last_op->next = op;
 +  op_queue.last_op = op;
 +
 +  if (is_a <hsa_op_immed *> (op))
 +    op_queue.projected_size += sizeof (struct BrigOperandConstantBytes);
 +  else if (is_a <hsa_op_reg *> (op))
 +    op_queue.projected_size += sizeof (struct BrigOperandRegister);
 +  else if (is_a <hsa_op_address *> (op))
 +    {
 +    op_queue.projected_size += sizeof (struct BrigOperandAddress);
 +    }
 +  else if (is_a <hsa_op_code_ref *> (op))
 +    op_queue.projected_size += sizeof (struct BrigOperandCodeRef);
 +  else if (is_a <hsa_op_code_list *> (op))
 +    op_queue.projected_size += sizeof (struct BrigOperandCodeList);
 +  else
 +    gcc_unreachable ();
 +  return ret;
 +}
 +
 +/* Return the length of the BRIG type TYPE that is going to be streamed out as
 +   an immediate constant (so it must not be B1).  */
 +
 +static unsigned
 +hsa_get_imm_brig_type_len (BrigType16_t type)
 +{
 +  BrigType16_t base_type = type & BRIG_TYPE_BASE_MASK;
 +  BrigType16_t pack_type = type & BRIG_TYPE_PACK_MASK;
 +
 +  switch (pack_type)
 +    {
 +    case BRIG_TYPE_PACK_NONE:
 +      break;
 +    case BRIG_TYPE_PACK_32:
 +      return 4;
 +    case BRIG_TYPE_PACK_64:
 +      return 8;
 +    case BRIG_TYPE_PACK_128:
 +      return 16;
 +    default:
 +      gcc_unreachable ();
 +    }
 +
 +  switch (base_type)
 +    {
 +    case BRIG_TYPE_U8:
 +    case BRIG_TYPE_S8:
 +    case BRIG_TYPE_B8:
 +      return 1;
 +    case BRIG_TYPE_U16:
 +    case BRIG_TYPE_S16:
 +    case BRIG_TYPE_F16:
 +    case BRIG_TYPE_B16:
 +      return 2;
 +    case BRIG_TYPE_U32:
 +    case BRIG_TYPE_S32:
 +    case BRIG_TYPE_F32:
 +    case BRIG_TYPE_B32:
 +      return 4;
 +    case BRIG_TYPE_U64:
 +    case BRIG_TYPE_S64:
 +    case BRIG_TYPE_F64:
 +    case BRIG_TYPE_B64:
 +      return 8;
 +    case BRIG_TYPE_B128:
 +      return 16;
 +    default:
 +      gcc_unreachable ();
 +    }
 +}
 +
 +/* Emit one scalar VALUE to the data BRIG section.  If NEED_LEN is not equal to
 +   zero, shrink or extend the value to NEED_LEN bytes.  Return how many bytes
 +   were written.  */
 +
 +static int
 +emit_immediate_scalar_to_data_section (tree value, unsigned need_len)
 +{
 +  union
 +  {
 +    uint8_t b8;
 +    uint16_t b16;
 +    uint32_t b32;
 +    uint64_t b64;
 +  } bytes;
 +
 +  memset (&bytes, 0, sizeof (bytes));
 +  tree type = TREE_TYPE (value);
 +  gcc_checking_assert (TREE_CODE (type) != VECTOR_TYPE);
 +  unsigned data_len = tree_to_uhwi (TYPE_SIZE (type))/BITS_PER_UNIT;
 +  if (INTEGRAL_TYPE_P (type))
 +    switch (data_len)
 +      {
 +      case 1:
 +	bytes.b8 = (uint8_t) TREE_INT_CST_LOW (value);
 +	break;
 +      case 2:
 +	bytes.b16 = (uint16_t) TREE_INT_CST_LOW (value);
 +	break;
 +      case 4:
 +	bytes.b32 = (uint32_t) TREE_INT_CST_LOW (value);
 +	break;
 +      case 8:
 +	bytes.b64 = (uint64_t) int_cst_value (value);
 +	break;
 +      default:
 +	gcc_unreachable ();
 +      }
 +  else if (SCALAR_FLOAT_TYPE_P (type))
 +    {
 +      if (data_len == 2)
 +	{
 +	  sorry ("Support for HSA does not implement immediate 16 bit FPU "
 +		 "operands");
 +	  return 2;
 +	}
 +      unsigned int_len = GET_MODE_SIZE (TYPE_MODE (type));
 +      /* There are always 32 bits in each long, no matter the size of
 +	 the hosts long.  */
 +      long tmp[6];
 +
 +      real_to_target (tmp, TREE_REAL_CST_PTR (value), TYPE_MODE (type));
 +
 +      if (int_len == 4)
 +	bytes.b32 = (uint32_t) tmp[0];
 +      else
 +	{
 +	  bytes.b64 = (uint64_t)(uint32_t) tmp[1];
 +	  bytes.b64 <<= 32;
 +	  bytes.b64 |= (uint32_t) tmp[0];
 +	}
 +    }
 +  else
 +    gcc_unreachable ();
 +
 +  int len;
 +  if (need_len == 0)
 +    len = data_len;
 +  else
 +    len = need_len;
 +
 +  brig_data.add (&bytes, len);
 +  return len;
 +}
 +
 +/* Emit an immediate BRIG operand IMM.  The BRIG type of the immediate might
 +   have been massaged to comply with various HSA/BRIG type requirements, so the
 +   only important aspect of that is the length (because HSAIL might expect
 +   smaller constants or become bit-data).  The data should be represented
 +   according to what is in the tree representation.  */
 +
 +static void
 +emit_immediate_operand (hsa_op_immed *imm)
 +{
 +  struct BrigOperandConstantBytes out;
 +  unsigned total_len = hsa_get_imm_brig_type_len (imm->type);
 +
 +  /* We do not produce HSAIL array types anywhere.  */
 +  gcc_assert (!(imm->type & BRIG_TYPE_ARRAY));
 +
 +  memset (&out, 0, sizeof (out));
 +  out.base.byteCount = htole16 (sizeof (out));
 +  out.base.kind = htole16 (BRIG_KIND_OPERAND_CONSTANT_BYTES);
 +  uint32_t byteCount = htole32 (total_len);
 +  out.type = htole16 (imm->type);
 +  out.bytes = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_operand.add (&out, sizeof(out));
 +
 +  if (TREE_CODE (imm->value) == VECTOR_CST)
 +    {
 +      int i, num = VECTOR_CST_NELTS (imm->value);
 +      for (i = 0; i < num; i++)
 +	{
 +	  unsigned actual;
 +	  actual = emit_immediate_scalar_to_data_section
 +	    (VECTOR_CST_ELT (imm->value, i), 0);
 +	  total_len -= actual;
 +	}
 +      /* Vectors should have the exact size.  */
 +      gcc_assert (total_len == 0);
 +    }
 +  else
 +    emit_immediate_scalar_to_data_section (imm->value, total_len);
 +
 +  brig_data.round_size_up (4);
 +}
 +
 +/* Emit a register BRIG operand REG.  */
 +
 +static void
 +emit_register_operand (hsa_op_reg *reg)
 +{
 +  struct BrigOperandRegister out;
 +
 +  out.base.byteCount = htole16 (sizeof (out));
 +  out.base.kind = htole16 (BRIG_KIND_OPERAND_REGISTER);
 +  out.regNum = htole32 (reg->hard_num);
 +
 +  switch (regtype_for_type (reg->type))
 +    {
 +    case BRIG_TYPE_B32:
 +      out.regKind = BRIG_REGISTER_KIND_SINGLE;
 +      break;
 +    case BRIG_TYPE_B64:
 +      out.regKind = BRIG_REGISTER_KIND_DOUBLE;
 +      break;
 +    case BRIG_TYPE_B128:
 +      out.regKind = BRIG_REGISTER_KIND_QUAD;
 +      break;
 +    case BRIG_TYPE_B1:
 +      out.regKind = BRIG_REGISTER_KIND_CONTROL;
 +      break;
 +    default:
 +      gcc_unreachable ();
 +    }
 +
 +  brig_operand.add (&out, sizeof (out));
 +}
 +
 +/* Emit an address BRIG operand ADDR.  */
 +
 +static void
 +emit_address_operand (hsa_op_address *addr)
 +{
 +  struct BrigOperandAddress out;
 +
 +  out.base.byteCount = htole16 (sizeof (out));
 +  out.base.kind = htole16 (BRIG_KIND_OPERAND_ADDRESS);
 +  out.symbol = addr->symbol
 +    ? htole32 (emit_directive_variable (addr->symbol)) : 0;
 +  out.reg = addr->reg ? htole32 (enqueue_op (addr->reg)) : 0;
 +
 +  /* FIXME: This is very clumsy.  */
 +  if (sizeof (addr->imm_offset) == 8)
 +    {
 +      out.offset.lo = htole32 ((uint32_t)addr->imm_offset);
 +      out.offset.hi = htole32 (((long long) addr->imm_offset) >> 32);
 +    }
 +  else
 +    {
 +      out.offset.lo = htole32 (addr->imm_offset);
 +      out.offset.hi = 0;
 +    }
 +
 +  brig_operand.add (&out, sizeof (out));
 +}
 +
 +/* Emit a code reference operand REF.  */
 +
 +static void
 +emit_code_ref_operand (hsa_op_code_ref *ref)
 +{
 +  struct BrigOperandCodeRef out;
 +
 +  out.base.byteCount = htole16 (sizeof (out));
 +  out.base.kind = htole16 (BRIG_KIND_OPERAND_CODE_REF);
 +  out.ref = htole32 (ref->directive_offset);
 +  brig_operand.add (&out, sizeof (out));
 +}
 +
 +/* Emit a code list operand CODE_LIST.  */
 +
 +static void
 +emit_code_list_operand (hsa_op_code_list *code_list)
 +{
 +  struct BrigOperandCodeList out;
 +  unsigned args = code_list->offsets.length ();
 +
 +  for (unsigned i = 0; i < args; i++)
 +    gcc_assert (code_list->offsets[i]);
 +
 +  out.base.byteCount = htole16 (sizeof (out));
 +  out.base.kind = htole16 (BRIG_KIND_OPERAND_CODE_LIST);
 +
 +  uint32_t byteCount = htole32 (4 * args);
 +
 +  out.elements = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (code_list->offsets.address (), args * sizeof (uint32_t));
 +  brig_data.round_size_up (4);
 +  brig_operand.add (&out, sizeof (out));
 +}
 +
 +/* Emit all operands queued for writing.  */
 +
 +static void
 +emit_queued_operands (void)
 +{
 +  for (hsa_op_base *op = op_queue.first_op; op; op = op->next)
 +    {
 +      gcc_assert (op->brig_op_offset == brig_operand.total_size);
 +      if (hsa_op_immed *imm = dyn_cast <hsa_op_immed *> (op))
 +	emit_immediate_operand (imm);
 +      else if (hsa_op_reg *reg = dyn_cast <hsa_op_reg *> (op))
 +	emit_register_operand (reg);
 +      else if (hsa_op_address *addr = dyn_cast <hsa_op_address *> (op))
 +	emit_address_operand (addr);
 +      else if (hsa_op_code_ref *ref = dyn_cast <hsa_op_code_ref *> (op))
 +	emit_code_ref_operand (ref);
 +      else if (hsa_op_code_list *code_list = dyn_cast <hsa_op_code_list *> (op))
 +	emit_code_list_operand (code_list);
 +      else
 +	gcc_unreachable ();
 +    }
 +}
 +
 +/* Emit directives describing the function that is used for
 +a function declaration.  */
 +static void
 +emit_function_declaration (tree decl)
 +{
 +  hsa_function_representation *f = hsa_generate_function_declaration (decl);
 +
 +  emit_function_directives (f);
 +  emit_queued_operands ();
 +
 +  delete f;
 +}
 +
 +/* Emit an HSA memory instruction and all necessary directives, schedule
 +   necessary operands for writing .  */
 +
 +static void
 +emit_memory_insn (hsa_insn_mem *mem)
 +{
 +  struct BrigInstMem repr;
 +  BrigOperandOffset32_t operand_offsets[2];
 +  uint32_t byteCount;
 +
 +  hsa_op_address *addr = as_a <hsa_op_address *> (mem->operands[1]);
 +
 +  /* This is necessary because of the erroneous typedef of
 +     BrigMemoryModifier8_t which introduces padding which may then contain
 +     random stuff (which we do not want so that we can test things don't
 +     change).  */
 +  memset (&repr, 0, sizeof (repr));
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_MEM);
 +  repr.base.opcode = htole16 (mem->opcode);
 +  repr.base.type = htole16 (mem->type);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (mem->operands[0]));
 +  operand_offsets[1] = htole32 (enqueue_op (mem->operands[1]));
 +  /* We have two operands so use 4 * 2 for the byteCount */
 +  byteCount = htole32 (4 * 2);
 +
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +
 +  if (addr->symbol)
 +    repr.segment = addr->symbol->segment;
 +  else
 +    repr.segment = BRIG_SEGMENT_FLAT;
 +  repr.modifier.allBits = 0 ;
 +  repr.equivClass = mem->equiv_class;
 +  repr.align = BRIG_ALIGNMENT_1;
 +  if (mem->opcode == BRIG_OPCODE_LD)
 +    repr.width = BRIG_WIDTH_1;
 +  else
 +    repr.width = BRIG_WIDTH_NONE;
 +  memset (&repr.reserved, 0, sizeof (repr.reserved));
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA atomic memory instruction and all necessary directives, schedule
 +   necessary operands for writing .  */
 +
 +static void
 +emit_atomic_insn (hsa_insn_atomic *mem)
 +{
 +  struct BrigInstAtomic repr;
 +  BrigOperandOffset32_t operand_offsets[4];
 +  uint32_t byteCount;
 +
 +  hsa_op_address *addr = as_a <hsa_op_address *> (mem->operands[1]);
 +
 +  /* This is necessary because of the erroneous typedef of
 +     BrigMemoryModifier8_t which introduces padding which may then contain
 +     random stuff (which we do not want so that we can test things don't
 +     change).  */
 +  memset (&repr, 0, sizeof (repr));
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_ATOMIC);
 +  repr.base.opcode = htole16 (mem->opcode);
 +  repr.base.type = htole16 (mem->type);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (mem->operands[0]));
 +  operand_offsets[1] = htole32 (enqueue_op (mem->operands[1]));
 +  operand_offsets[2] = htole32 (enqueue_op (mem->operands[2]));
 +  operand_offsets[3] = htole32 (enqueue_op (mem->operands[3]));
 +
 +  /* We have 4 operands so use 4 * 4 for the byteCount */
 +  byteCount = htole32 (4 * 4);
 +
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +
 +  if (addr->symbol)
 +    repr.segment = addr->symbol->segment;
 +  else
 +    repr.segment = BRIG_SEGMENT_FLAT;
 +  repr.memoryOrder = mem->memoryorder;
 +  repr.memoryScope = mem->memoryscope;
 +  repr.atomicOperation = mem->atomicop;
 +
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA LDA instruction and all necessary directives, schedule
 +   necessary operands for writing .  */
 +
 +static void
 +emit_addr_insn (hsa_insn_basic *insn)
 +{
 +  struct BrigInstAddr repr;
 +  BrigOperandOffset32_t operand_offsets[2];
 +  uint32_t byteCount;
 +
 +  hsa_op_address *addr = as_a <hsa_op_address *> (insn->operands[1]);
 +
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_ADDR);
 +  repr.base.opcode = htole16 (insn->opcode);
 +  repr.base.type = htole16 (insn->type);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (insn->operands[0]));
 +  operand_offsets[1] = htole32 (enqueue_op (insn->operands[1]));
 +
 +  /* We have two operands so use 4 * 2 for the byteCount */
 +  byteCount = htole32 (4 * 2);
 +
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +
 +  if (addr->symbol)
 +    repr.segment = addr->symbol->segment;
 +  else
 +    repr.segment = BRIG_SEGMENT_FLAT;
 +  memset (&repr.reserved, 0, sizeof (repr.reserved));
 +
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA segment conversion instruction and all necessary directives,
 +   schedule necessary operands for writing .  */
 +
 +static void
 +emit_segment_insn (hsa_insn_seg *seg)
 +{
 +  struct BrigInstSegCvt repr;
 +  BrigOperandOffset32_t operand_offsets[2];
 +  uint32_t byteCount;
 +
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_SEG_CVT);
 +  repr.base.opcode = htole16 (seg->opcode);
 +  repr.base.type = htole16 (seg->type);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (seg->operands[0]));
 +  operand_offsets[1] = htole32 (enqueue_op (seg->operands[1]));
 +
 +  /* We have two operands so use 4 * 2 for the byteCount */
 +  byteCount = htole32 (4 * 2);
 +
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +
 +  repr.sourceType = htole16 (as_a <hsa_op_reg *> (seg->operands[1])->type);
 +  repr.segment = seg->segment;
 +  repr.modifier.allBits = 0;
 +
 +  brig_code.add (&repr, sizeof (repr));
 +
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA comparison instruction and all necessary directives,
 +   schedule necessary operands for writing .  */
 +
 +static void
 +emit_cmp_insn (hsa_insn_cmp *cmp)
 +{
 +  struct BrigInstCmp repr;
 +  BrigOperandOffset32_t operand_offsets[3];
 +  uint32_t byteCount;
 +
 +  memset (&repr, 0, sizeof (repr));
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_CMP);
 +  repr.base.opcode = htole16 (cmp->opcode);
 +  repr.base.type = htole16 (cmp->type);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (cmp->operands[0]));
 +  operand_offsets[1] = htole32 (enqueue_op (cmp->operands[1]));
 +  operand_offsets[2] = htole32 (enqueue_op (cmp->operands[2]));
 +  /* We have three operands so use 4 * 3 for the byteCount */
 +  byteCount = htole32 (4 * 3);
 +
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +
 +  if (is_a <hsa_op_reg *> (cmp->operands[1]))
 +    repr.sourceType = htole16 (as_a <hsa_op_reg *> (cmp->operands[1])->type);
 +  else
 +    repr.sourceType = htole16 (as_a <hsa_op_immed *> (cmp->operands[1])->type);
 +  repr.modifier.allBits = 0;
 +  repr.compare = cmp->compare;
 +  repr.pack = 0;
 +
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA branching instruction and all necessary directives, schedule
 +   necessary operands for writing .  */
 +
 +static void
 +emit_branch_insn (hsa_insn_br *br)
 +{
 +  struct BrigInstBr repr;
 +  BrigOperandOffset32_t operand_offsets[2];
 +  uint32_t byteCount;
 +
 +  basic_block target = NULL;
 +  edge_iterator ei;
 +  edge e;
 +
 +  /* At the moment we only handle direct conditional jumps.  */
 +  gcc_assert (br->opcode == BRIG_OPCODE_CBR);
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_BR);
 +  repr.base.opcode = htole16 (br->opcode);
 +  repr.width = BRIG_WIDTH_1;
 +  /* For Conditional jumps the type is always B1 */
 +  repr.base.type = htole16 (BRIG_TYPE_B1);
 +
 +  operand_offsets[0] = htole32 (enqueue_op (br->operands[0]));
 +
 +  FOR_EACH_EDGE (e, ei, br->bb->succs)
 +    if (e->flags & EDGE_TRUE_VALUE)
 +      {
 +	target = e->dest;
 +	break;
 +      }
 +  gcc_assert (target);
 +  operand_offsets[1] = htole32 (enqueue_op
 +				(&hsa_bb_for_bb (target)->label_ref));
 +
 +  /* We have 2 operands so use 4 * 2 for the byteCount */
 +  byteCount = htole32 (4 * 2);
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +  repr.width = BRIG_WIDTH_1;
 +  memset (&repr.reserved, 0, sizeof (repr.reserved));
 +
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit a HSA convert instruction and all necessary directives, schedule
 +   necessary operands for writing.  */
 +
 +static void
 +emit_cvt_insn (hsa_insn_basic *insn)
 +{
 +  struct BrigInstCvt repr;
 +  BrigType16_t srctype;
 +  auto_vec<BrigOperandOffset32_t, HSA_BRIG_INT_STORAGE_OPERANDS> operand_offsets;
 +  uint32_t byteCount, operand_count = insn->operands.length ();
 +
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_CVT);
 +  repr.base.opcode = htole16 (insn->opcode);
 +  repr.base.type = htole16 (insn->type);
 +
 +  operand_offsets.safe_grow_cleared (operand_count);
 +  for (unsigned i = 0; i < operand_count; i++)
 +    {
 +      gcc_checking_assert (insn->operands[i]);
 +      operand_offsets[i] = htole32 (enqueue_op (insn->operands[i]));
 +    }
 +
 +  byteCount = htole32 (4 * operand_count) ;
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (operand_offsets.address (),
 +		 operand_count * sizeof (BrigOperandOffset32_t));
 +
 +  if (is_a <hsa_op_reg *> (insn->operands[1]))
 +    srctype = as_a <hsa_op_reg *> (insn->operands[1])->type;
 +  else
 +    srctype = as_a <hsa_op_immed *> (insn->operands[1])->type;
 +  repr.sourceType = htole16 (srctype);
 +  repr.modifier.allBits = 0;
 +  /* float to smaller float requires a rounding setting (we default
 +     to 'near'.  */
 +  if (hsa_type_float_p (insn->type)
 +      && (!hsa_type_float_p (srctype)
 +         || ((insn->type & BRIG_TYPE_BASE_MASK)
 +             < (srctype & BRIG_TYPE_BASE_MASK))))
 +    repr.round = BRIG_ROUND_FLOAT_NEAR_EVEN;
 +  else
 +    repr.round = BRIG_ROUND_NONE;
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit call instruction INSN, where this instruction must be closed
 +   within a call block instruction.  */
 +
 +static void
 +emit_call_insn (hsa_insn_basic *insn)
 +{
 +  hsa_insn_call *call = dyn_cast <hsa_insn_call *> (insn);
 +  struct BrigInstBr repr;
 +  uint32_t byteCount;
 +
 +  BrigOperandOffset32_t operand_offsets[3];
 +
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_BR);
 +  repr.base.opcode = htole16 (BRIG_OPCODE_CALL);
 +  repr.base.type = htole16 (BRIG_TYPE_NONE);
 +
 +  /* Operand 0: out-args.  */
 +  operand_offsets[0] = htole32 (enqueue_op (call->result_code_list));
 +
 +  /* Operand 1: func */
 +  BrigCodeOffset32_t *func_offset = function_offsets->get
 +    (call->called_function);
 +  gcc_assert (func_offset != NULL);
 +  call->func.directive_offset = *func_offset;
 +  unsigned int offset = enqueue_op (&call->func);
 +
 +  operand_offsets[1] = htole32 (offset);
 +  /* Operand 2: in-args.  */
 +  operand_offsets[2] = htole32 (enqueue_op (call->args_code_list));
 +
 +  /* We have 3 operands so use 3 * 4 for the byteCount */
 +  byteCount = htole32 (3 * 4);
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +  repr.width = BRIG_WIDTH_ALL;
 +  memset (&repr.reserved, 0, sizeof (repr.reserved));
 +
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit argument block directive.  */
 +
 +static void
 +emit_arg_block_insn (hsa_insn_arg_block *insn)
 +{
 +  switch (insn->kind)
 +    {
 +    case BRIG_KIND_DIRECTIVE_ARG_BLOCK_START:
 +      {
 +	struct BrigDirectiveArgBlockStart repr;
 +	repr.base.byteCount = htole16 (sizeof (repr));
 +	repr.base.kind = htole16 (insn->kind);
 +	brig_code.add (&repr, sizeof (repr));
 +
 +	for (unsigned i = 0; i < insn->call_insn->input_args.length (); i++)
 +	  {
 +	    insn->call_insn->args_code_list->offsets[i] = htole32
 +	      (emit_directive_variable (insn->call_insn->input_args[i]));
 +	    brig_insn_count++;
 +	  }
 +
 +	if (insn->call_insn->result_symbol)
 +	  {
 +	    insn->call_insn->result_code_list->offsets[0] = htole32
 +	      (emit_directive_variable (insn->call_insn->output_arg));
 +	    brig_insn_count++;
 +	  }
 +
 +	break;
 +      }
 +    case BRIG_KIND_DIRECTIVE_ARG_BLOCK_END:
 +      {
 +	struct BrigDirectiveArgBlockEnd repr;
 +	repr.base.byteCount = htole16 (sizeof (repr));
 +	repr.base.kind = htole16 (insn->kind);
 +	brig_code.add (&repr, sizeof (repr));
 +	break;
 +      }
 +    default:
 +      gcc_unreachable ();
 +    }
 +
 +  brig_insn_count++;
 +}
 +
 +/* Emit a basic HSA instruction and all necessary directives, schedule
 +   necessary operands for writing.  */
 +
 +static void
 +emit_basic_insn (hsa_insn_basic *insn)
 +{
 +  /* We assume that BrigInstMod has a BrigInstBasic prefix.  */
 +  struct BrigInstMod repr;
 +  BrigType16_t type;
 +  auto_vec<BrigOperandOffset32_t, HSA_BRIG_INT_STORAGE_OPERANDS> operand_offsets;
 +  uint32_t byteCount, operand_count = insn->operands.length ();
 +
 +  if (insn->opcode == BRIG_OPCODE_CVT)
 +    {
 +      emit_cvt_insn (insn);
 +      return;
 +    }
 +
 +  memset (&repr, 0, sizeof (repr));
 +  repr.base.base.byteCount = htole16 (sizeof (BrigInstBasic));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_BASIC);
 +  repr.base.opcode = htole16 (insn->opcode);
 +  switch (insn->opcode)
 +    {
 +      /* And the bit-logical operations need bit types and whine about
 +         arithmetic types :-/  */
 +      case BRIG_OPCODE_AND:
 +      case BRIG_OPCODE_OR:
 +      case BRIG_OPCODE_XOR:
 +      case BRIG_OPCODE_NOT:
 +	type = regtype_for_type (insn->type);
 +	break;
 +      default:
 +	type = insn->type;
 +	break;
 +    }
 +  repr.base.type = htole16 (type);
 +
 +  operand_offsets.safe_grow_cleared (operand_count);
 +  for (unsigned i = 0; i < operand_count; i++)
 +    {
 +      gcc_checking_assert (insn->operands[i]);
 +      operand_offsets[i] = htole32 (enqueue_op (insn->operands[i]));
 +    }
 +
 +  byteCount = htole32 (4 * operand_count) ;
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (operand_offsets.address (),
 +		 operand_count * sizeof (BrigOperandOffset32_t));
 +  brig_data.round_size_up (4);
 +
 +  if ((type & BRIG_TYPE_PACK_MASK) != BRIG_TYPE_PACK_NONE)
 +    {
 +      if (hsa_type_float_p (type))
 +	repr.round = BRIG_ROUND_FLOAT_NEAR_EVEN;
 +      else
 +	repr.round = 0;
 +      /* We assume that destination and sources agree in packing
 +         layout.  */
 +      if (insn->operands[2])
 +	repr.pack = BRIG_PACK_PP;
 +      else
 +	repr.pack = BRIG_PACK_P;
 +      repr.reserved = 0;
 +      repr.base.base.byteCount = htole16 (sizeof (BrigInstMod));
 +      repr.base.base.kind = htole16 (BRIG_KIND_INST_MOD);
 +      brig_code.add (&repr, sizeof (struct BrigInstMod));
 +    }
 +  else
 +    brig_code.add (&repr, sizeof (struct BrigInstBasic));
 +  brig_insn_count++;
 +}
 +
 +/* Emit an HSA instruction and all necessary directives, schedule necessary
 +   operands for writing .  */
 +
 +static void
 +emit_insn (hsa_insn_basic *insn)
 +{
 +  gcc_assert (!is_a <hsa_insn_phi *> (insn));
 +  if (hsa_insn_atomic *atom = dyn_cast <hsa_insn_atomic *> (insn))
 +    {
 +      emit_atomic_insn (atom);
 +      return;
 +    }
 +  if (hsa_insn_mem *mem = dyn_cast <hsa_insn_mem *> (insn))
 +    {
 +      emit_memory_insn (mem);
 +      return;
 +    }
 +  if (insn->opcode == BRIG_OPCODE_LDA)
 +    {
 +      emit_addr_insn (insn);
 +      return;
 +    }
 +  if (hsa_insn_seg *seg = dyn_cast <hsa_insn_seg *> (insn))
 +    {
 +      emit_segment_insn (seg);
 +      return;
 +    }
 +  if (hsa_insn_cmp *cmp = dyn_cast <hsa_insn_cmp *> (insn))
 +    {
 +      emit_cmp_insn (cmp);
 +      return;
 +    }
 +  if (hsa_insn_br *br = dyn_cast <hsa_insn_br *> (insn))
 +    {
 +      emit_branch_insn (br);
 +      return;
 +    }
 +  if (hsa_insn_arg_block *arg_block = dyn_cast <hsa_insn_arg_block *> (insn))
 +    {
 +      emit_arg_block_insn (arg_block);
 +      return;
 +    }
 +  if (hsa_insn_call *call = dyn_cast <hsa_insn_call *> (insn))
 +    {
 +      emit_call_insn (call);
 +      return;
 +    }
 +  emit_basic_insn (insn);
 +}
 +
 +/* We have just finished emitting BB and are about to emit NEXT_BB if non-NULL,
 +   or we are about to finish emiting code, if it is NULL.  If the fall through
 +   edge from BB does not lead to NEXT_BB, emit an unconditional jump.  */
 +
 +static void
 +perhaps_emit_branch (basic_block bb, basic_block next_bb)
 +{
 +  basic_block t_bb = NULL, ff = NULL;
 +  struct BrigInstBr repr;
 +  BrigOperandOffset32_t operand_offsets[1];
 +  uint32_t byteCount;
 +
 +  edge_iterator ei;
 +  edge e;
 +
 +  FOR_EACH_EDGE (e, ei, bb->succs)
 +    if (e->flags & EDGE_TRUE_VALUE)
 +      {
 +	gcc_assert (!t_bb);
 +	t_bb = e->dest;
 +      }
 +    else
 +      {
 +	gcc_assert (!ff);
 +	ff = e->dest;
 +      }
 +  gcc_assert (ff);
 +  if (ff == next_bb
 +      || ff == EXIT_BLOCK_PTR_FOR_FN (cfun))
 +    return;
 +
 +  repr.base.base.byteCount = htole16 (sizeof (repr));
 +  repr.base.base.kind = htole16 (BRIG_KIND_INST_BR);
 +  repr.base.opcode = htole16 (BRIG_OPCODE_BR);
 +  repr.base.type = htole16 (BRIG_TYPE_NONE);
 +  /* Direct branches to labels must be width(all).  */
 +  repr.width = BRIG_WIDTH_ALL;
 +
 +  operand_offsets[0] = htole32 (enqueue_op (&hsa_bb_for_bb (ff)->label_ref));
 +  /* We have 1 operand so use 4 * 1 for the byteCount */
 +  byteCount = htole32 (4 * 1);
 +  repr.base.operands = htole32 (brig_data.add (&byteCount, sizeof (byteCount)));
 +  brig_data.add (&operand_offsets, sizeof (operand_offsets));
 +  brig_data.round_size_up (4);
 +  memset (&repr.reserved, 0, sizeof (repr.reserved));
 +  brig_code.add (&repr, sizeof (repr));
 +  brig_insn_count++;
 +}
 +
 +/* Emit the a function with name NAME to the various brig sections.  */
 +
 +void
 +hsa_brig_emit_function (void)
 +{
 +  basic_block bb, prev_bb;
 +  hsa_insn_basic *insn;
 +  BrigDirectiveExecutable *ptr_to_fndir;
 +
 +  brig_init ();
 +
 +  brig_insn_count = 0;
 +  memset (&op_queue, 0, sizeof (op_queue));
 +  op_queue.projected_size = brig_operand.total_size;
 +
 +  if (!function_offsets)
 +    function_offsets = new hash_map<tree, BrigCodeOffset32_t> ();
 +
 +  for (unsigned i = 0; i < hsa_cfun->called_functions.length (); i++)
 +    {
 +      tree called = hsa_cfun->called_functions[i];
 +
 +      if (function_offsets->get (called) == NULL)
 +	{
 +	  emit_function_declaration (called);
 +	  gcc_assert (function_offsets->get (called) != NULL);
 +	}
 +    }
 +
 +  ptr_to_fndir = emit_function_directives (hsa_cfun);
 +  for (insn = hsa_bb_for_bb (ENTRY_BLOCK_PTR_FOR_FN (cfun))->first_insn;
 +       insn;
 +       insn = insn->next)
 +    emit_insn (insn);
 +  prev_bb = ENTRY_BLOCK_PTR_FOR_FN (cfun);
 +  FOR_EACH_BB_FN (bb, cfun)
 +    {
 +      perhaps_emit_branch (prev_bb, bb);
 +      emit_bb_label_directive (hsa_bb_for_bb (bb));
 +      for (insn = hsa_bb_for_bb (bb)->first_insn; insn; insn = insn->next)
 +	emit_insn (insn);
 +      prev_bb = bb;
 +    }
 +  perhaps_emit_branch (prev_bb, NULL);
 +  ptr_to_fndir->nextModuleEntry = brig_code.total_size;
 +
 +  emit_queued_operands ();
 +}
 +
 +/* Unit constructor and destructor statements.  */
 +
 +static GTY(()) tree hsa_ctor_statements;
 +static GTY(()) tree hsa_dtor_statements;
 +
 +/* Create a static constructor that will register out brig stuff with
 +   libgomp.  */
 +
 +static void
 +hsa_output_kernel_mapping (tree brig_decl)
 +{
 +  unsigned map_count = hsa_get_number_decl_kernel_mappings ();
 +
 +  tree int_num_of_kernels;
 +  int_num_of_kernels = build_int_cst (integer_type_node, (int) map_count);
 +  tree kernel_num_index_type = build_index_type (int_num_of_kernels);
 +  tree host_functions_array_type = build_array_type (ptr_type_node,
 +						     kernel_num_index_type);
 +
 +  vec<constructor_elt, va_gc> *host_functions_vec = NULL;
 +  for (unsigned i = 0; i < map_count; ++i)
 +    {
 +      tree decl = hsa_get_decl_kernel_mapping_decl (i);
 +      CONSTRUCTOR_APPEND_ELT (host_functions_vec, NULL_TREE,
 +			      build_fold_addr_expr (decl));
 +    }
 +  tree host_functions_ctor = build_constructor (host_functions_array_type,
 +						host_functions_vec);
 +  char tmp_name[64];
 +  ASM_GENERATE_INTERNAL_LABEL (tmp_name, "hsa_host_functions", 1);
 +  tree hsa_host_func_table = build_decl (UNKNOWN_LOCATION, VAR_DECL,
 +					 get_identifier (tmp_name),
 +					 host_functions_array_type);
 +  TREE_STATIC (hsa_host_func_table) = 1;
 +  TREE_READONLY (hsa_host_func_table) = 1;
 +  TREE_PUBLIC (hsa_host_func_table) = 0;
 +  DECL_ARTIFICIAL (hsa_host_func_table) = 1;
 +  DECL_IGNORED_P (hsa_host_func_table) = 1;
 +  DECL_EXTERNAL (hsa_host_func_table) = 0;
 +  TREE_CONSTANT (hsa_host_func_table) = 1;
 +  DECL_INITIAL (hsa_host_func_table) = host_functions_ctor;
 +  varpool_node::finalize_decl (hsa_host_func_table);
 +
 +  int len = 0;
 +  for (unsigned i = 0; i < map_count; ++i)
 +    {
 +      char *name = hsa_get_decl_kernel_mapping_name (i);
 +      /* We add 1 for the terminating zero and 1 for an ampersand prefix.  */
 +      len = len + strlen (name) + 2;
 +    }
 +  len++;
 +
 +  char *buf = XNEWVEC (char, len);
 +  char *p = buf;
 +  for (unsigned i = 0; i < map_count; ++i)
 +    {
 +      char *name = hsa_get_decl_kernel_mapping_name (i);
 +      int ll = strlen (name);
 +      gcc_assert (ll > 0);
 +      *p = '&';
 +      p++;
 +      memcpy (p, name, ll);
 +      p += ll;
 +      *p = '\0';
 +      p++;
 +    }
 +  *p = '\0';
 +  tree kern_names = build_string (len, buf);
 +  TREE_TYPE (kern_names) = build_array_type (char_type_node,
 +					     build_index_type (size_int (len)));
 +  free (buf);
 +
 +  tree hsa_image_desc_type = make_node (RECORD_TYPE);
 +  tree id_f1 = build_decl (BUILTINS_LOCATION, FIELD_DECL,
 +			   get_identifier ("brig_module"), ptr_type_node);
 +  DECL_CHAIN (id_f1) = NULL_TREE;
 +  tree id_f2 = build_decl (BUILTINS_LOCATION, FIELD_DECL,
 +			   get_identifier ("kern_names"), ptr_type_node);
 +  DECL_CHAIN (id_f2) = id_f1;
 +  finish_builtin_struct (hsa_image_desc_type, "__hsa_image_desc", id_f2,
 +			 NULL_TREE);
 +
 +  vec<constructor_elt, va_gc> *img_desc_vec = NULL;
 +  CONSTRUCTOR_APPEND_ELT (img_desc_vec, NULL_TREE,
 +			  build_fold_addr_expr (brig_decl));
 +  CONSTRUCTOR_APPEND_ELT (img_desc_vec, NULL_TREE,
 +			  build1 (ADDR_EXPR,
 +				  build_pointer_type (TREE_TYPE (kern_names)),
 +				  kern_names));
 +
 +  tree img_desc_ctor = build_constructor (hsa_image_desc_type, img_desc_vec);
 +
 +  ASM_GENERATE_INTERNAL_LABEL (tmp_name, "hsa_img_descriptor", 1);
 +  tree hsa_img_descriptor = build_decl (UNKNOWN_LOCATION, VAR_DECL,
 +					get_identifier (tmp_name),
 +					hsa_image_desc_type);
 +  TREE_STATIC (hsa_img_descriptor) = 1;
 +  TREE_READONLY (hsa_img_descriptor) = 1;
 +  TREE_PUBLIC (hsa_img_descriptor) = 0;
 +  DECL_ARTIFICIAL (hsa_img_descriptor) = 1;
 +  DECL_IGNORED_P (hsa_img_descriptor) = 1;
 +  DECL_EXTERNAL (hsa_img_descriptor) = 0;
 +  TREE_CONSTANT (hsa_img_descriptor) = 1;
 +  DECL_INITIAL (hsa_img_descriptor) = img_desc_ctor;
 +  varpool_node::finalize_decl (hsa_img_descriptor);
 +
 +  /* Construct the "host_table" libgomp expects. */
 +  tree libgomp_host_table_type = build_array_type (ptr_type_node,
 +						   build_index_type
 +						   (build_int_cst
 +						    (integer_type_node, 4)));
 +  vec<constructor_elt, va_gc> *libgomp_host_table_vec = NULL;
 +  tree host_func_table_addr = build_fold_addr_expr (hsa_host_func_table);
 +  CONSTRUCTOR_APPEND_ELT (libgomp_host_table_vec, NULL_TREE,
 +			  host_func_table_addr);
 +  offset_int func_table_size = wi::to_offset (TYPE_SIZE_UNIT (ptr_type_node))
 +    * map_count;
 +  CONSTRUCTOR_APPEND_ELT (libgomp_host_table_vec, NULL_TREE,
 +			  fold_build2 (POINTER_PLUS_EXPR,
 +				       TREE_TYPE (host_func_table_addr),
 +				       host_func_table_addr,
 +				       build_int_cst (size_type_node,
 +						      func_table_size.to_uhwi
 +						      ())));
 +  CONSTRUCTOR_APPEND_ELT (libgomp_host_table_vec, NULL_TREE, null_pointer_node);
 +  CONSTRUCTOR_APPEND_ELT (libgomp_host_table_vec, NULL_TREE, null_pointer_node);
 +  tree libgomp_host_table_ctor = build_constructor (libgomp_host_table_type,
 +						    libgomp_host_table_vec);
 +  ASM_GENERATE_INTERNAL_LABEL (tmp_name, "hsa_libgomp_host_table", 1);
 +  tree hsa_libgomp_host_table = build_decl (UNKNOWN_LOCATION, VAR_DECL,
 +					    get_identifier (tmp_name),
 +					    libgomp_host_table_type);
 +
 +  TREE_STATIC (hsa_libgomp_host_table) = 1;
 +  TREE_READONLY (hsa_libgomp_host_table) = 1;
 +  TREE_PUBLIC (hsa_libgomp_host_table) = 0;
 +  DECL_ARTIFICIAL (hsa_libgomp_host_table) = 1;
 +  DECL_IGNORED_P (hsa_libgomp_host_table) = 1;
 +  DECL_EXTERNAL (hsa_libgomp_host_table) = 0;
 +  TREE_CONSTANT (hsa_libgomp_host_table) = 1;
 +  DECL_INITIAL (hsa_libgomp_host_table) = libgomp_host_table_ctor;
 +  varpool_node::finalize_decl (hsa_libgomp_host_table);
 +
 +  /* Generate an initializer with a call to the registration routine.  */
 +
 +  /* __hsa_register_image is an a testing-only registration routine that will
 +     go away once the transition to gomp plugin is complete.  However, at th
 +     moment we support it too.  */
 +  tree reg_fn_type = build_function_type_list (void_type_node, ptr_type_node,
 +					       ptr_type_node, NULL_TREE);
 +  tree reg_fn = build_fn_decl ("__hsa_register_image", reg_fn_type);
 +
 +  append_to_statement_list
 +    (build_call_expr (builtin_decl_explicit (BUILT_IN_GOMP_OFFLOAD_REGISTER), 3,
 +		      build_fold_addr_expr (hsa_libgomp_host_table),
 +		      /* 7 stands for HSA */
 +		      build_int_cst (integer_type_node, 7),
 +		      build_fold_addr_expr (hsa_img_descriptor)),
 +     &hsa_ctor_statements);
 +  append_to_statement_list
 +    (build_call_expr (reg_fn, 2,
 +                      build_fold_addr_expr (hsa_libgomp_host_table),
 +                      build_fold_addr_expr (hsa_img_descriptor)),
 +     &hsa_ctor_statements);
 +
 +  cgraph_build_static_cdtor ('I', hsa_ctor_statements, DEFAULT_INIT_PRIORITY);
 +
 +  append_to_statement_list
 +    (build_call_expr (builtin_decl_explicit (BUILT_IN_GOMP_OFFLOAD_UNREGISTER),
 +		      3, build_fold_addr_expr (hsa_libgomp_host_table),
 +		      /* 7 stands for HSA */
 +		      build_int_cst (integer_type_node, 7),
 +		      build_fold_addr_expr (hsa_img_descriptor)),
 +     &hsa_dtor_statements);
 +  cgraph_build_static_cdtor ('D', hsa_dtor_statements, DEFAULT_INIT_PRIORITY);
 +}
 +
 +/* Required HSA section alignment. */
 +
 +#define HSA_SECTION_ALIGNMENT 16
 +
 +/* Emit the brig module we have compiled to a section in the final assembly and
 +   also create a compile unit static constructor that will register the brig
 +   module with libgomp.  */
 +
 +void
 +hsa_output_brig (void)
 +{
 +  section *saved_section;
 +
 +  if (!brig_initialized)
 +    return;
 +
 +  saved_section = in_section;
 +
 +  switch_to_section (get_section (BRIG_ELF_SECTION_NAME, SECTION_NOTYPE, NULL));
 +  char tmp_name[64];
 +  ASM_GENERATE_INTERNAL_LABEL (tmp_name, BRIG_LABEL_STRING, 1);
 +  ASM_OUTPUT_LABEL (asm_out_file, tmp_name);
 +  tree brig_id = get_identifier (tmp_name);
 +  tree brig_decl = build_decl (UNKNOWN_LOCATION, VAR_DECL, brig_id,
 +			       char_type_node);
 +  SET_DECL_ASSEMBLER_NAME (brig_decl, brig_id);
 +  TREE_ADDRESSABLE (brig_decl) = 1;
 +  TREE_READONLY (brig_decl) = 1;
 +  DECL_ARTIFICIAL (brig_decl) = 1;
 +  DECL_IGNORED_P (brig_decl) = 1;
 +  TREE_STATIC (brig_decl) = 1;
 +  TREE_PUBLIC (brig_decl) = 0;
 +  TREE_USED (brig_decl) = 1;
 +  DECL_INITIAL (brig_decl) = brig_decl;
 +  TREE_ASM_WRITTEN (brig_decl) = 1;
 +
 +  BrigModuleHeader module_header;
 +  memcpy (&module_header.identification, "HSA BRIG",
 +	  sizeof(module_header.identification));
 +  module_header.brigMajor = htole32 (BRIG_VERSION_BRIG_MAJOR);
 +  module_header.brigMinor = htole32 (BRIG_VERSION_BRIG_MINOR);
 +  uint64_t section_index[3];
 +
 +  int data_padding, code_padding, operand_padding;
 +  data_padding = HSA_SECTION_ALIGNMENT
 +    - brig_data.total_size % HSA_SECTION_ALIGNMENT;
 +  code_padding = HSA_SECTION_ALIGNMENT
 +    - brig_code.total_size % HSA_SECTION_ALIGNMENT;
 +  operand_padding = HSA_SECTION_ALIGNMENT
 +    - brig_operand.total_size % HSA_SECTION_ALIGNMENT;
 +
 +  uint64_t module_size = sizeof (module_header) + sizeof (section_index)
 +    + brig_data.total_size + data_padding
 +    + brig_code.total_size + code_padding
 +    + brig_operand.total_size + operand_padding;
 +  gcc_assert ((module_size % 16) == 0);
 +  module_header.byteCount = htole64 (module_size);
 +  memset (&module_header.hash, 0, sizeof (module_header.hash));
 +  module_header.reserved = 0;
 +  module_header.sectionCount = htole32 (3);
 +  module_header.sectionIndex = htole64 (sizeof (module_header));
 +  assemble_string ((const char *) &module_header, sizeof(module_header));
 +  uint64_t off = sizeof (module_header) + sizeof (section_index);
 +  section_index[0] = htole64 (off);
 +  off += brig_data.total_size + data_padding;
 +  section_index[1] = htole64 (off);
 +  off += brig_code.total_size + code_padding;
 +  section_index[2] = htole64 (off);
 +  assemble_string ((const char *) &section_index, sizeof (section_index));
 +
 +  char padding[HSA_SECTION_ALIGNMENT];
 +  memset (padding, 0, sizeof(padding));
 +
 +  brig_data.output ();
 +  assemble_string (padding, data_padding);
 +  brig_code.output ();
 +  assemble_string (padding, code_padding);
 +  brig_operand.output ();
 +  assemble_string (padding, operand_padding);
 +
 +  if (saved_section)
 +    switch_to_section (saved_section);
 +
 +  hsa_output_kernel_mapping (brig_decl);
 +
 +  hsa_free_decl_kernel_mapping ();
 +  brig_release_data ();
 +  hsa_deinit_compilation_unit_data ();
 +}
diff --cc gcc/hsa.h
index b43a991,0000000..b9acb9d
mode 100644,000000..100644
--- a/gcc/hsa.h
+++ b/gcc/hsa.h
@@@ -1,793 -1,0 +1,789 @@@
 +/* HSAIL and BRIG related macros and definitions.
 +   Copyright (C) 2013 Free Software Foundation, Inc.
 +
 +This file is part of GCC.
 +
 +GCC is free software; you can redistribute it and/or modify
 +it under the terms of the GNU General Public License as published by
 +the Free Software Foundation; either version 3, or (at your option)
 +any later version.
 +
 +GCC is distributed in the hope that it will be useful,
 +but WITHOUT ANY WARRANTY; without even the implied warranty of
 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 +GNU General Public License for more details.
 +
 +You should have received a copy of the GNU General Public License
 +along with GCC; see the file COPYING3.  If not see
 +http://www.gnu.org/licenses/.  */
 +
 +#ifndef HSA_H
 +#define HSA_H
 +
 +#include "hsa-brig-format.h"
 +#include "is-a.h"
 +#include "predict.h"
 +#include "tree.h"
 +#include "vec.h"
 +#include "hash-table.h"
 +#include "basic-block.h"
 +
 +class hsa_insn_basic;
 +typedef hsa_insn_basic *hsa_insn_basic_p;
 +
 +/* Class representing an input argument, output argument (result) or a
 +   variable, that will eventually end up being a symbol directive.  */
 +
 +struct hsa_symbol
 +{
 +  /* Pointer to the original tree, which is PARM_DECL for input parameters and
 +     RESULT_DECL for the output parameters.  */
 +  tree decl;
 +
 +  /* Name of the symbol, that will be written into output and dumps.  Can be
 +     NULL, see name_number below.*/
 +  const char *name;
 +
 +  /* If name is NULL, artificial name will be formed from the segment name and
 +     this number.  */
 +  int name_number;
 +
 +  /* Once written, this is the offset of the associated symbol directive.  Zero
 +     means the symbol has not been written yet.  */
 +  unsigned directive_offset;
 +
 +  /* HSA type of the parameter.  */
 +  BrigType16_t type;
 +
 +  /* The HSA segment this will eventually end up in.  */
 +  BrigSegment8_t segment;
 +
 +  /* The HSA kind of linkage.  */
 +  BrigLinkage8_t linkage;
 +
 +  /* Array dimension, if non-zero.  */
 +  unsigned HOST_WIDE_INT dim;
 +};
 +
 +/* Abstract class for HSA instruction operands. */
 +
 +class hsa_op_base
 +{
 +public:
 +
 +  /* Next operand scheduled to be written when writing BRIG operand
 +     section.  */
 +  hsa_op_base *next;
 +
 +  /* Offset to which the associated operand structure will be written.  Zero if
 +     yet not scheduled for writing.  */
 +  unsigned brig_op_offset;
 +
 +  /* The type of a particular operand.  */
 +  BrigKind16_t kind;
 +
 +protected:
 +  hsa_op_base (BrigKind16_t k);
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_base () {}
 +};
 +
 +/* Common abstract ancestor for operands which have a type.  */
 +
 +class hsa_op_with_type : public hsa_op_base
 +{
 +public:
 +  /* The type.  */
 +  BrigType16_t type;
 +
 +protected:
 +  hsa_op_with_type (BrigKind16_t k, BrigType16_t t);
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_with_type () : hsa_op_base (BRIG_KIND_NONE) {}
 +};
 +
 +/* An immediate HSA operand.  */
 +
 +class hsa_op_immed : public hsa_op_with_type
 +{
 +public:
 +  hsa_op_immed (tree tree_val);
 +  void *operator new (size_t);
 +
 +  /* Value as represented by middle end.  */
 +  tree value;
 +
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_immed () : hsa_op_with_type (BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a an immediate operand.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_op_immed *>::test (hsa_op_base *p)
 +{
 +  return p->kind == BRIG_KIND_OPERAND_CONSTANT_BYTES;
 +}
 +
 +/* HSA register operand.  */
 +
 +class hsa_op_reg : public hsa_op_with_type
 +{
 +public:
 +  hsa_op_reg (BrigType16_t t);
 +  void *operator new (size_t);
 +
 +  /* Verify register operand.  */
 +  void verify ();
 +
 +  /* If NON-NULL, gimple SSA that we come from.  NULL if none.  */
 +  tree gimple_ssa;
 +
 +  /* Defining instruction while still in the SSA.  */
 +  hsa_insn_basic *def_insn;
 +  /* Uses of the value while still in SSA.  */
 +  auto_vec <hsa_insn_basic_p> uses;
 +
 +  /* If the register allocator decides to spill the register, this is the
 +     appropriate spill symbol.  */
 +  hsa_symbol *spill_sym;
 +
 +  /* Number of this register structure in the order in which they were
 +     allocated.  */
 +  int order;
 +  int lr_begin, lr_end;
 +
 +  /* Zero if the register is not yet allocated.  After, allocation, this must
 +     be 'c', 's', 'd' or 'q'.  */
 +  char reg_class;
 +  /* If allocated, the number of the HW register (within its HSA register
 +     class). */
 +  char hard_num;
 +
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_reg () : hsa_op_with_type (BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +typedef class hsa_op_reg *hsa_op_reg_p;
 +
 +/* Report whether or not P is a register operand.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_op_reg *>::test (hsa_op_base *p)
 +{
 +  return p->kind == BRIG_KIND_OPERAND_REGISTER;
 +}
 +
 +/* An address HSA operand.  */
 +
 +class hsa_op_address : public hsa_op_base
 +{
 +public:
 +  hsa_op_address (hsa_symbol *sym, hsa_op_reg *reg, HOST_WIDE_INT offset);
 +  void *operator new (size_t);
 +
 +  /* Symbol base of the address.  Can be NULL if there is none.  */
 +  hsa_symbol *symbol;
 +
 +  /* Register offset.  Can be NULL if there is none.  */
 +  hsa_op_reg *reg;
 +
 +  /* Immediate byte offset.  */
 +  HOST_WIDE_INT imm_offset;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_address () : hsa_op_base (BRIG_KIND_NONE) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is an address operand.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_op_address *>::test (hsa_op_base *p)
 +{
 +  return p->kind == BRIG_KIND_OPERAND_ADDRESS;
 +}
 +
 +/* A reference to code HSA operand. It can be either reference
 +   to a start of a BB or a start of a function.  */
 +
 +class hsa_op_code_ref : public hsa_op_base
 +{
 +public:
 +  hsa_op_code_ref ();
 +
 +  /* Offset in the code section that this refers to.  */
 +  unsigned directive_offset;
 +};
 +
 +/* Report whether or not P is a code reference operand.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_op_code_ref *>::test (hsa_op_base *p)
 +{
 +  return p->kind == BRIG_KIND_OPERAND_CODE_REF;
 +}
 +
 +/* Code list HSA operand.  */
 +
 +class hsa_op_code_list: public hsa_op_base
 +{
 +public:
 +  hsa_op_code_list (unsigned elements);
 +  void *operator new (size_t);
 +
 +  /* Offset to variable-sized array in hsa_data section, where
 +     are offsets to entries in the hsa_code section.  */
 +  auto_vec<unsigned> offsets;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_op_code_list () : hsa_op_base (BRIG_KIND_NONE) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a code list operand.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_op_code_list *>::test (hsa_op_base *p)
 +{
 +  return p->kind == BRIG_KIND_OPERAND_CODE_LIST;
 +}
 +
 +/* Opcodes of instructions that are not part of HSA but that we use to
 +   represent it nevertheless.  */
 +
 +#define HSA_OPCODE_PHI (-1)
 +#define HSA_OPCODE_ARG_BLOCK (-2)
 +
 +/* The number of operand pointers we can directly in an instruction.  */
 +#define HSA_BRIG_INT_STORAGE_OPERANDS 5
 +
 +/* Class representing an HSA instruction.  Unlike typical ancestors for
 +   specialized classes, this one is also directly used for all instructions
 +   that are then represented as BrigInstBasic.  */
 +
 +class hsa_insn_basic
 +{
 +public:
 +  hsa_insn_basic (unsigned nops, int opc);
 +  hsa_insn_basic (unsigned nops, int opc, BrigType16_t t);
 +  void *operator new (size_t);
 +
 +  /* The previous and next instruction in the basic block.  */
 +  hsa_insn_basic *prev, *next;
 +
 +  /* Basic block this instruction belongs to.  */
 +  basic_block bb;
 +
 +  /* Operand code distinguishing different types of instructions.  Eventually
 +     these should only be BRIG_INST_* values from the BrigOpcode16_t range but
 +     initially we use negative values for PHI nodes and such.  */
 +  int opcode;
 +
 +  int number;			/* FIXME: What is this for? */
 +
 +  /* Type of the destination of the operations.  */
 +  BrigType16_t type;
 +
 +  /* The individual operands.  All instructions but PHI nodes have five or
 +     fewer instructions and so will fit the internal storage.  */
 +  /* TODO: Vast majority of instructions have three or fewer operands, so we
 +     may actually try reducing it.  */
 +  auto_vec<hsa_op_base *, HSA_BRIG_INT_STORAGE_OPERANDS> operands;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_basic () {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Class representing a PHI node of the SSA form of HSA virtual
 +   registers.  */
 +
 +class hsa_insn_phi : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_phi (unsigned nops);
 +  void *operator new (size_t);
 +
 +  /* Destination.  */
 +  hsa_op_reg *dest;
 +
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_phi () : hsa_insn_basic (1, HSA_OPCODE_PHI) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a PHI node.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_phi *>::test (hsa_insn_basic *p)
 +{
 +  return p->opcode == HSA_OPCODE_PHI;
 +}
 +
 +/* HSA instruction for branches.  Currently we explicitely represent only
 +   conditional branches.  */
 +
 +class hsa_insn_br : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_br (hsa_op_reg *ctrl);
 +  void *operator new (size_t);
 +
 +  /* Width as described in HSA documentation.  */
 +  BrigWidth8_t width;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_br () : hsa_insn_basic (1, BRIG_OPCODE_CBR) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether P is a branching instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_br *>::test (hsa_insn_basic *p)
 +{
 +  return p->opcode == BRIG_OPCODE_BR
 +    || p->opcode == BRIG_OPCODE_CBR;
 +}
 +
 +/* HSA instruction for comparisons.  */
 +
 +class hsa_insn_cmp : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_cmp (BrigCompareOperation8_t cmp, BrigType16_t t);
 +  void *operator new (size_t);
 +
 +  /* Source type should be derived from operand types.  */
 +
 +  /* The comparison operation.  */
 +  BrigCompareOperation8_t compare;
 +
 +  /* TODO: Modifiers and packing control are missing but so are everywhere
 +     else.  */
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_cmp () : hsa_insn_basic (1, BRIG_OPCODE_CMP) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a comparison instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_cmp *>::test (hsa_insn_basic *p)
 +{
 +  return p->opcode == BRIG_OPCODE_CMP;
 +}
 +
 +/* HSA instruction for memory operations.  */
 +
 +class hsa_insn_mem : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_mem (int opc, BrigType16_t t);
 +  void *operator new (size_t);
 +
 +  /* The segment is of the memory access is either the segment of the symbol in
 +     the address operand or flat address is there is no symbol there.  */
 +
 +  /* HSA equiv class, basically an alias set number. */
 +  uint8_t equiv_class;
 +
 +  /* Things like acquire/release/aligned.  */
 +  enum BrigMemoryOrder memoryorder;
 +
 +  /* Scope of the atomic operation. */
 +  enum BrigMemoryScope memoryscope;
 +
 +  /* TODO:  Add width modifier, perhaps also other things.  */
 +protected:
 +  hsa_insn_mem (unsigned nops, int opc, BrigType16_t t);
 +
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_mem () : hsa_insn_basic (1, BRIG_OPCODE_LD) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a memory instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_mem *>::test (hsa_insn_basic *p)
 +{
 +  return (p->opcode == BRIG_OPCODE_LD
 +	  || p->opcode == BRIG_OPCODE_ST);
 +}
 +
 +/* HSA instruction for atomic operations.  */
 +
 +class hsa_insn_atomic : public hsa_insn_mem
 +{
 +public:
 +  hsa_insn_atomic (int opc, enum BrigAtomicOperation aop, BrigType16_t t);
 +  void *operator new (size_t);
 +
 +  /* The operation itself.  */
 +  enum BrigAtomicOperation atomicop;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_atomic () : hsa_insn_mem (1, BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a memory instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_atomic *>::test (hsa_insn_basic *p)
 +{
 +  return (p->opcode == BRIG_OPCODE_ATOMIC
 +	  || p->opcode == BRIG_OPCODE_ATOMICNORET);
 +}
 +
 +/* HSA instruction to convert between flat addressing and segments.  */
 +
 +class hsa_insn_seg : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_seg (int opc, BrigType16_t destt, BrigType16_t srct,
 +		BrigSegment8_t seg);
 +  void *operator new (size_t);
 +
 +  /* Source type.  Depends on the source addressing/segment.  */
 +  BrigType16_t src_type;
 +  /* The segment we are converting from or to.  */
 +  BrigSegment8_t segment;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_seg () : hsa_insn_basic (1, BRIG_OPCODE_STOF) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a segment conversion instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_seg *>::test (hsa_insn_basic *p)
 +{
 +  return (p->opcode == BRIG_OPCODE_STOF
 +	  || p->opcode == BRIG_OPCODE_FTOS);
 +}
 +
 +/* HSA instruction for function call.  */
 +
 +class hsa_insn_call : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_call (tree callee);
 +  void *operator new (size_t);
 +
 +  /* Called function */
 +  tree called_function;
 +
 +  /* Input formal arguments.  */
 +  auto_vec <hsa_symbol *> input_args;
 +
 +  /* Input arguments store instructions.  */
 +  auto_vec <hsa_insn_mem *> input_arg_insns;
 +
 +  /* Output argument, can be NULL for void functions.  */
 +  hsa_symbol *output_arg;
 +
 +  /* Called function code reference.  */
 +  hsa_op_code_ref func;
 +
 +  /* Argument symbols.  */
 +  auto_vec <hsa_symbol *> args_symbols;
 +
 +  /* Code list for arguments of the function.  */
 +  hsa_op_code_list *args_code_list;
 +
 +  /* Result symbol.  */
 +  hsa_symbol *result_symbol;
 +
 +  /* Code list for result of the function.  */
 +  hsa_op_code_list *result_code_list;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_insn_call () : hsa_insn_basic (0, BRIG_OPCODE_CALL) {}
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a call instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_call *>::test (hsa_insn_basic *p)
 +{
 +  return (p->opcode == BRIG_OPCODE_CALL);
 +}
 +
 +/* HSA call instruction block encapsulates definition of arguments,
 +   result type, corresponding loads and a possible store.
 +   Moreover, it contains a single call instruction.
 +   Emission of the instruction will produce multiple
 +   HSAIL instructions.  */
 +
 +class hsa_insn_arg_block : public hsa_insn_basic
 +{
 +public:
 +  hsa_insn_arg_block (BrigKind brig_kind, hsa_insn_call * call);
 +  void *operator new (size_t);
 +
 +  /* Kind of argument block.  */
 +  BrigKind kind;
 +
 +  /* Call instruction.  */
 +  hsa_insn_call *call_insn;
 +private:
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Report whether or not P is a call block instruction.  */
 +
 +template <>
 +template <>
 +inline bool
 +is_a_helper <hsa_insn_arg_block *>::test (hsa_insn_basic *p)
 +{
 +  return (p->opcode == HSA_OPCODE_ARG_BLOCK);
 +}
 +
 +/* Basic block of HSA instructions.  */
 +
 +class hsa_bb
 +{
 +public:
 +  hsa_bb (basic_block cfg_bb);
 +  hsa_bb (basic_block cfg_bb, int idx);
 +  ~hsa_bb ();
 +  void *operator new (size_t);
 +
 +  /* The real CFG BB that this HBB belongs to.  */
 +  basic_block bb;
 +
 +  /* The operand that refers to the label to this BB.  */
 +  hsa_op_code_ref label_ref;
 +
 +  /* The first and last instruction.  */
 +  hsa_insn_basic *first_insn, *last_insn;
 +  /* The first and last phi node.  */
 +  hsa_insn_phi *first_phi, *last_phi;
 +
 +  /* Just a number to construct names from.  */
 +  int index;
 +
 +  bitmap liveout, livein;
 +private:
 +  /* Make the default constructor inaccessible.  */
 +  hsa_bb ();
 +  /* All objects are deallocated by destroying their pool, so make delete
 +     inaccessible too.  */
 +  void operator delete (void *) {}
 +};
 +
 +/* Return the corresponding HSA basic block structure for the given control
 +   flow basic_block BB.  */
 +
 +static inline hsa_bb *
 +hsa_bb_for_bb (basic_block bb)
 +{
 +  return (struct hsa_bb *) bb->aux;
 +}
 +
 +/* Class for hashing local hsa_symbols.  */
 +
- struct hsa_noop_symbol_hasher : typed_noop_remove <hsa_symbol>
++struct hsa_noop_symbol_hasher : nofree_ptr_hash <hsa_symbol>
 +{
-   typedef hsa_symbol *value_type;
-   typedef hsa_symbol *compare_type;
 +  static inline hashval_t hash (const value_type);
 +  static inline bool equal (const value_type, const compare_type);
 +};
 +
 +/* Hash hsa_symbol.  */
 +
 +inline hashval_t
 +hsa_noop_symbol_hasher::hash (const value_type item)
 +{
 +  return DECL_UID (item->decl);
 +}
 +
 +/* Return true if the DECL_UIDs of decls both symbols refer to  are equal.  */
 +
 +inline bool
 +hsa_noop_symbol_hasher::equal (const value_type a, const compare_type b)
 +{
 +  return (DECL_UID (a->decl) == DECL_UID (b->decl));
 +}
 +
 +/* Class for hashing global hsa_symbols.  */
 +
- struct hsa_free_symbol_hasher : typed_free_remove <hsa_symbol>
++struct hsa_free_symbol_hasher : free_ptr_hash <hsa_symbol>
 +{
-   typedef hsa_symbol *value_type;
-   typedef hsa_symbol *compare_type;
 +  static inline hashval_t hash (const value_type);
 +  static inline bool equal (const value_type, const compare_type);
 +};
 +
 +/* Hash hsa_symbol.  */
 +
 +inline hashval_t
 +hsa_free_symbol_hasher::hash (const value_type item)
 +{
 +  return DECL_UID (item->decl);
 +}
 +
 +/* Return true if the DECL_UIDs of decls both symbols refer to  are equal.  */
 +
 +inline bool
 +hsa_free_symbol_hasher::equal (const value_type a, const compare_type b)
 +{
 +  return (DECL_UID (a->decl) == DECL_UID (b->decl));
 +}
 +
 +/* Structure that encapsulates intermediate representation of a HSA
 +   function.  */
 +
 +class hsa_function_representation
 +{
 +public:
 +  hsa_function_representation ();
 +  ~hsa_function_representation ();
 +
 +  /* Name of the function.  */
 +  char *name;
 +
 +  /* Input arguments of the function.  */
 +  /* FIXME: Normally we'd use a vector, however our C++ vectors seem to have
 +     problems with derived classes, so for now we'll use a simple array.  */
 +  unsigned input_args_count;
 +
 +  /* Number of allocated register structures.  */
 +  int reg_count;
 +
 +  struct hsa_symbol *input_args;
 +  /* Output argument or NULL if there is none.  */
 +  struct hsa_symbol *output_arg;
 +  /* Hash table of local variable symbols.  */
 +  hash_table <hsa_noop_symbol_hasher> *local_symbols;
 +  /* Vector of pointers to spill symbols.  */
 +  vec <struct hsa_symbol *> spill_symbols;
 +
 +  /* Vector of called function declarations.  */
 +  vec <tree> called_functions;
 +
 +  /* Instructions to be executed before the first BB from gimple.  It's label
 +   is zero and must not be referenced, of course there are no PHIs.  */
 +  hsa_bb prologue;
 +
 +  /* Number of HBB BBs.  */
 +  int hbb_count;
 +
 +  /* Whether or not we could check and enforce SSA properties.  */
 +  bool in_ssa;
 +
 +  /* True if the function is kernel function.  */
 +  bool kern_p;
 +
 +  /* True if the function representation is a declaration.  */
 +  bool declaration_p;
 +
 +  /* Function declaration tree.  */
 +  tree decl;
 +};
 +
 +/* in hsa.c */
 +extern struct hsa_function_representation *hsa_cfun;
 +extern hash_table <hsa_free_symbol_hasher> *hsa_global_variable_symbols;
 +void hsa_init_compilation_unit_data (void);
 +void hsa_deinit_compilation_unit_data (void);
 +bool hsa_machine_large_p (void);
 +bool hsa_full_profile_p (void);
 +bool hsa_opcode_op_output_p (BrigOpcode16_t, int);
 +unsigned hsa_type_bit_size (BrigType16_t t);
 +BrigType16_t hsa_bittype_for_type (BrigType16_t t);
 +bool hsa_type_float_p (BrigType16_t type);
 +void hsa_destroy_insn (hsa_insn_basic *insn);
 +void hsa_add_kern_decl_mapping (tree decl, char *name);
 +unsigned hsa_get_number_decl_kernel_mappings (void);
 +tree hsa_get_decl_kernel_mapping_decl (unsigned i);
 +char *hsa_get_decl_kernel_mapping_name (unsigned i);
 +void hsa_free_decl_kernel_mapping (void);
 +void hsa_sanitize_name (char *p);
 +const char *get_declaration_name (tree decl);
 +
 +/* In hsa-gen.c.  */
 +void hsa_build_append_simple_mov (hsa_op_reg *, hsa_op_base *, hsa_bb *);
 +hsa_symbol *hsa_get_spill_symbol (BrigType16_t);
 +hsa_op_reg *hsa_spill_in (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
 +hsa_op_reg *hsa_spill_out (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
 +hsa_bb *hsa_init_new_bb (basic_block);
 +hsa_function_representation *hsa_generate_function_declaration (tree decl);
 +
 +/* In hsa-regalloc.c.  */
 +void hsa_regalloc (void);
 +
 +/* In hsa-brig.c.  */
 +void hsa_brig_emit_function (void);
 +void hsa_output_brig (void);
 +BrigType16_t bittype_for_type (BrigType16_t t);
 +
 +/*  In hsa-dump.c.  */
 +const char *hsa_seg_name (BrigSegment8_t);
 +void dump_hsa_bb (FILE *, hsa_bb *);
 +void dump_hsa_cfun (FILE *);
 +
 +#endif /* HSA_H */
-----------------------------------------------------------------------
Summary of changes:
 ChangeLog                                          |    15 +
 MAINTAINERS                                        |     4 +-
 config/ChangeLog                                   |     5 +
 config/dfp.m4                                      |     2 +-
 configure                                          |     2 +-
 configure.ac                                       |     2 +-
 gcc/ChangeLog                                      |  2972 ++-
 gcc/DATESTAMP                                      |     2 +-
 gcc/Makefile.in                                    |    14 +-
 gcc/ada/ChangeLog                                  |   146 +
 gcc/ada/gcc-interface/cuintp.c                     |     1 -
 gcc/ada/gcc-interface/decl.c                       |   158 +-
 gcc/ada/gcc-interface/gigi.h                       |   129 +-
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 gcc/ada/gcc-interface/trans.c                      |   210 +-
 gcc/ada/gcc-interface/utils.c                      |   345 +-
 gcc/ada/gcc-interface/utils2.c                     |     1 -
 gcc/ada/s-oscons-tmplt.c                           |     7 +-
 gcc/alias.c                                        |    54 +-
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 gcc/asan.c                                         |    10 +-
 gcc/attribs.c                                      |    12 +-
 gcc/auto-inc-dec.c                                 |    35 +-
 gcc/auto-profile.c                                 |     5 -
 gcc/bb-reorder.c                                   |    12 +-
 gcc/bitmap.c                                       |     2 +-
 gcc/bt-load.c                                      |     1 -
 gcc/builtins.c                                     |   139 +-
 gcc/builtins.def                                   |     4 +-
 gcc/c-family/ChangeLog                             |   135 +
 gcc/c-family/array-notation-common.c               |     5 +-
 gcc/c-family/c-ada-spec.c                          |    21 +-
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 gcc/c-family/cilk.c                                |    15 +-
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 gcc/c/ChangeLog                                    |    63 +
 gcc/c/c-array-notation.c                           |     5 +-
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 copy libstdc++-v3/testsuite/experimental/{any => propagate_const}/typedefs.cc (68%)
 create mode 100644 libstdc++-v3/testsuite/experimental/type_traits/detection.cc
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