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/* function_base implementation for SiFive custom 'V' Extension for GNU compiler.
Copyright (C) 2024 Free Software Foundation, Inc.
Contributed by SiFive and PLCT Lab.
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 "tree.h"
#include "rtl.h"
#include "tm_p.h"
#include "memmodel.h"
#include "insn-codes.h"
#include "optabs.h"
#include "recog.h"
#include "expr.h"
#include "basic-block.h"
#include "function.h"
#include "fold-const.h"
#include "gimple.h"
#include "gimple-iterator.h"
#include "gimplify.h"
#include "explow.h"
#include "emit-rtl.h"
#include "tree-vector-builder.h"
#include "rtx-vector-builder.h"
#include "riscv-vector-builtins.h"
#include "riscv-vector-builtins-shapes.h"
#include "sifive-vector-builtins-bases.h"
#include "riscv-vector-builtins-bases.h"
using namespace riscv_vector;
namespace riscv_vector {
/* Implements SiFive vqmacc. */
class sf_vqmacc : public function_base
{
public:
bool has_merge_operand_p () const override { return false; }
bool apply_mask_policy_p () const override { return false; }
bool use_mask_predication_p () const override { return false; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred == PRED_TYPE_tu;
}
rtx expand (function_expander &e) const override
{
if (e.op_info->op == OP_TYPE_4x8x4)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plus_qoq (SIGN_EXTEND, e.vector_mode ()));
if (e.op_info->op == OP_TYPE_2x8x2)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plus_dod (SIGN_EXTEND, e.vector_mode ()));
gcc_unreachable ();
}
};
/* Implements SiFive vqmaccu. */
class sf_vqmaccu : public function_base
{
public:
bool has_merge_operand_p () const override { return false; }
bool apply_mask_policy_p () const override { return false; }
bool use_mask_predication_p () const override { return false; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred == PRED_TYPE_tu;
}
rtx expand (function_expander &e) const override
{
if (e.op_info->op == OP_TYPE_4x8x4)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plus_qoq (ZERO_EXTEND, e.vector_mode ()));
if (e.op_info->op == OP_TYPE_2x8x2)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plus_dod (ZERO_EXTEND, e.vector_mode ()));
gcc_unreachable ();
}
};
/* Implements SiFive vqmaccsu. */
class sf_vqmaccsu : public function_base
{
public:
bool has_merge_operand_p () const override { return false; }
bool apply_mask_policy_p () const override { return false; }
bool use_mask_predication_p () const override { return false; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred == PRED_TYPE_tu;
}
rtx expand (function_expander &e) const override
{
if (e.op_info->op == OP_TYPE_4x8x4)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plussu_qoq (e.vector_mode ()));
if (e.op_info->op == OP_TYPE_2x8x2)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plussu_dod (e.vector_mode ()));
gcc_unreachable ();
}
};
/* Implements SiFive vqmaccus. */
class sf_vqmaccus : public function_base
{
public:
bool has_merge_operand_p () const override { return false; }
bool apply_mask_policy_p () const override { return false; }
bool use_mask_predication_p () const override { return false; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred == PRED_TYPE_tu;
}
rtx expand (function_expander &e) const override
{
if (e.op_info->op == OP_TYPE_4x8x4)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plusus_qoq (e.vector_mode ()));
if (e.op_info->op == OP_TYPE_2x8x2)
return e.use_widen_ternop_insn (
code_for_pred_matrix_mul_plusus_dod (e.vector_mode ()));
gcc_unreachable ();
}
};
/* Implements SiFive vfnrclip. */
template <int UNSPEC, enum frm_op_type FRM_OP = NO_FRM>
class sf_vfnrclip_x_f_qf : public function_base
{
public:
bool has_rounding_mode_operand_p () const override
{
return FRM_OP == HAS_FRM;
}
bool may_require_frm_p () const override { return true; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred != PRED_TYPE_none;
}
rtx expand (function_expander &e) const override
{
return e.use_exact_insn (
code_for_pred_sf_vfnrclip_x_f_qf (UNSPEC, e.vector_mode ()));
}
};
template <int UNSPEC, enum frm_op_type FRM_OP = NO_FRM>
class sf_vfnrclip_xu_f_qf : public function_base
{
public:
bool has_rounding_mode_operand_p () const override
{
return FRM_OP == HAS_FRM;
}
bool may_require_frm_p () const override { return true; }
bool can_be_overloaded_p (enum predication_type_index pred) const override
{
return pred != PRED_TYPE_none;
}
rtx expand (function_expander &e) const override
{
return e.use_exact_insn (
code_for_pred_sf_vfnrclip_x_f_qf (UNSPEC, e.vector_mode ()));
}
};
static CONSTEXPR const sf_vqmacc sf_vqmacc_obj;
static CONSTEXPR const sf_vqmaccu sf_vqmaccu_obj;
static CONSTEXPR const sf_vqmaccsu sf_vqmaccsu_obj;
static CONSTEXPR const sf_vqmaccus sf_vqmaccus_obj;
static CONSTEXPR const sf_vfnrclip_x_f_qf<UNSPEC_SF_VFNRCLIP> sf_vfnrclip_x_f_qf_obj;
static CONSTEXPR const sf_vfnrclip_xu_f_qf<UNSPEC_SF_VFNRCLIPU> sf_vfnrclip_xu_f_qf_obj;
/* Declare the function base NAME, pointing it to an instance
of class <NAME>_obj. */
#define BASE(NAME) \
namespace bases { const function_base *const NAME = &NAME##_obj; }
BASE (sf_vqmacc)
BASE (sf_vqmaccu)
BASE (sf_vqmaccsu)
BASE (sf_vqmaccus)
BASE (sf_vfnrclip_x_f_qf)
BASE (sf_vfnrclip_xu_f_qf)
} // end namespace riscv_vector
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