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Backend: Create "backend" folder

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similar to the "frontend" folder
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BreadFish64 2018-08-14 13:13:47 -05:00 • committed by MerryMage
parent 3b13f1eb12
commit 2a65442933
42 changed files with 122 additions and 121 deletions
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77
src/backend/x64/emit_x64_crc32.cpp Normal file
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/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public icense version 2 or any later version.
*/
#include <array>
#include <climits>
#include "backend/x64/block_of_code.h"
#include "backend/x64/emit_x64.h"
#include "common/common_types.h"
#include "common/crypto/crc32.h"
#include "frontend/ir/microinstruction.h"
#include "frontend/ir/opcodes.h"
namespace Dynarmic::BackendX64 {
using namespace Xbyak::util;
namespace CRC32 = Common::Crypto::CRC32;
static void EmitCRC32Castagnoli(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, const int data_size) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE42)) {
const Xbyak::Reg32 crc = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
const Xbyak::Reg value = ctx.reg_alloc.UseGpr(args[1]).changeBit(data_size);
code.crc32(crc, value);
ctx.reg_alloc.DefineValue(inst, crc);
} else {
ctx.reg_alloc.HostCall(inst, args[0], args[1], {});
code.mov(code.ABI_PARAM3, data_size / CHAR_BIT);
code.CallFunction(&CRC32::ComputeCRC32Castagnoli);
}
}
static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, const int data_size) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(inst, args[0], args[1], {});
code.mov(code.ABI_PARAM3, data_size / CHAR_BIT);
code.CallFunction(&CRC32::ComputeCRC32ISO);
}
void EmitX64::EmitCRC32Castagnoli8(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32Castagnoli(code, ctx, inst, 8);
}
void EmitX64::EmitCRC32Castagnoli16(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32Castagnoli(code, ctx, inst, 16);
}
void EmitX64::EmitCRC32Castagnoli32(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32Castagnoli(code, ctx, inst, 32);
}
void EmitX64::EmitCRC32Castagnoli64(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32Castagnoli(code, ctx, inst, 64);
}
void EmitX64::EmitCRC32ISO8(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32ISO(code, ctx, inst, 8);
}
void EmitX64::EmitCRC32ISO16(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32ISO(code, ctx, inst, 16);
}
void EmitX64::EmitCRC32ISO32(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32ISO(code, ctx, inst, 32);
}
void EmitX64::EmitCRC32ISO64(EmitContext& ctx, IR::Inst* inst) {
EmitCRC32ISO(code, ctx, inst, 64);
}
} // namespace Dynarmic::BackendX64