DBT-RISE-TGC/src/vm/llvm/fp_impl.cpp

108 lines
5.9 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Contributors:
// eyck@minres.com - initial API and implementation
////////////////////////////////////////////////////////////////////////////////
#include <iss/iss.h>
#include <iss/llvm/vm_base.h>
extern "C" {
#include "internals.h"
#include "specialize.h"
#include <softfloat.h>
}
#include <limits>
namespace iss {
namespace llvm {
namespace fp_impl {
using namespace std;
using namespace ::llvm;
#define INT_TYPE(L) Type::getIntNTy(mod->getContext(), L)
#define FLOAT_TYPE Type::getFloatTy(mod->getContext())
#define DOUBLE_TYPE Type::getDoubleTy(mod->getContext())
#define VOID_TYPE Type::getVoidTy(mod->getContext())
#define THIS_PTR_TYPE Type::getIntNPtrTy(mod->getContext(), 8)
#define FDECLL(NAME, RET, ...) \
Function* NAME##_func = CurrentModule->getFunction(#NAME); \
if(!NAME##_func) { \
std::vector<Type*> NAME##_args{__VA_ARGS__}; \
FunctionType* NAME##_type = FunctionType::get(RET, NAME##_args, false); \
NAME##_func = Function::Create(NAME##_type, GlobalValue::ExternalLinkage, #NAME, CurrentModule); \
NAME##_func->setCallingConv(CallingConv::C); \
}
#define FDECL(NAME, RET, ...) \
std::vector<Type*> NAME##_args{__VA_ARGS__}; \
FunctionType* NAME##_type = FunctionType::get(RET, NAME##_args, false); \
mod->getOrInsertFunction(#NAME, NAME##_type);
void add_fp_functions_2_module(Module* mod, uint32_t flen, uint32_t xlen) {
if(flen) {
FDECL(fget_flags, INT_TYPE(32));
FDECL(fadd_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fsub_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fmul_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fdiv_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fsqrt_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fcmp_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(32));
FDECL(fcvt_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fmadd_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fsel_s, INT_TYPE(32), INT_TYPE(32), INT_TYPE(32), INT_TYPE(32));
FDECL(fclass_s, INT_TYPE(32), INT_TYPE(32));
FDECL(fcvt_32_64, INT_TYPE(64), INT_TYPE(32), INT_TYPE(32), INT_TYPE(8));
FDECL(fcvt_64_32, INT_TYPE(32), INT_TYPE(64), INT_TYPE(32), INT_TYPE(8));
if(flen > 32) {
FDECL(fconv_d2f, INT_TYPE(32), INT_TYPE(64), INT_TYPE(8));
FDECL(fconv_f2d, INT_TYPE(64), INT_TYPE(32), INT_TYPE(8));
FDECL(fadd_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(8));
FDECL(fsub_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(8));
FDECL(fmul_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(8));
FDECL(fdiv_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(8));
FDECL(fsqrt_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(8));
FDECL(fcmp_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(32));
FDECL(fcvt_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(32), INT_TYPE(8));
FDECL(fmadd_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(32), INT_TYPE(8));
FDECL(fsel_d, INT_TYPE(64), INT_TYPE(64), INT_TYPE(64), INT_TYPE(32));
FDECL(fclass_d, INT_TYPE(64), INT_TYPE(64));
FDECL(unbox_s, INT_TYPE(32), INT_TYPE(64));
}
}
}
} // namespace fp_impl
} // namespace llvm
} // namespace iss