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/* brig-control-handler.cc -- brig control directive handling
Copyright (C) 2016-2020 Free Software Foundation, Inc.
Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
for General Processor Tech.
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 "brig-code-entry-handler.h"
#include "diagnostic.h"
#include "print-tree.h"
size_t
brig_directive_control_handler::operator () (const BrigBase *base)
{
const BrigDirectiveControl *inst = (const BrigDirectiveControl *) base;
const BrigData *operand_entries
= m_parent.get_brig_data_entry (inst->operands);
/* Parse the constant integer operands. */
std::vector<tree> operands;
for (size_t i = 0; i < operand_entries->byteCount / 4; ++i)
{
uint32_t operand_offset
= ((const uint32_t *) &operand_entries->bytes)[i];
const BrigBase *operand_data
= m_parent.get_brig_operand_entry (operand_offset);
tree operand_type
= (inst->control == BRIG_CONTROL_REQUIREDGRIDSIZE
|| inst->control == BRIG_CONTROL_MAXFLATGRIDSIZE) ?
uint64_type_node : uint32_type_node;
operands.push_back
(build_tree_operand (*(const BrigInstBase*)inst, *operand_data,
operand_type));
}
switch (inst->control)
{
case BRIG_CONTROL_MAXDYNAMICGROUPSIZE:
{
m_parent.m_cf->m_descriptor.max_dynamic_group_size
= brig_function::int_constant_value (operands.at (0));
break;
}
case BRIG_CONTROL_MAXFLATGRIDSIZE:
{
m_parent.m_cf->m_descriptor.max_flat_grid_size
= brig_function::int_constant_value (operands.at (0));
break;
}
case BRIG_CONTROL_MAXFLATWORKGROUPSIZE:
{
m_parent.m_cf->m_descriptor.max_flat_workgroup_size
= brig_function::int_constant_value (operands.at (0));
break;
}
case BRIG_CONTROL_REQUIREDDIM:
{
m_parent.m_cf->m_descriptor.required_dim
= brig_function::int_constant_value (operands.at (0));
break;
}
case BRIG_CONTROL_REQUIREDGRIDSIZE:
{
m_parent.m_cf->m_descriptor.required_grid_size[0]
= brig_function::int_constant_value (operands.at (0));
m_parent.m_cf->m_descriptor.required_grid_size[1]
= brig_function::int_constant_value (operands.at (1));
m_parent.m_cf->m_descriptor.required_grid_size[2]
= brig_function::int_constant_value (operands.at (2));
break;
}
case BRIG_CONTROL_REQUIREDWORKGROUPSIZE:
{
m_parent.m_cf->m_descriptor.required_workgroup_size[0]
= brig_function::int_constant_value (operands.at (0));
m_parent.m_cf->m_descriptor.required_workgroup_size[1]
= brig_function::int_constant_value (operands.at (1));
m_parent.m_cf->m_descriptor.required_workgroup_size[2]
= brig_function::int_constant_value (operands.at (2));
break;
}
case BRIG_CONTROL_REQUIRENOPARTIALWORKGROUPS:
/* Performance hint only, ignored for now. */
break;
case BRIG_CONTROL_ENABLEBREAKEXCEPTIONS:
case BRIG_CONTROL_ENABLEDETECTEXCEPTIONS:
/* Unimplemented. */
break;
default:
sorry ("Unsupported control directive %x.", inst->control);
}
return base->byteCount;
}