/* This file is part of the dynarmic project.
 * Copyright (c) 2016 MerryMage
 * This software may be used and distributed according to the terms of the GNU
 * General Public License version 2 or any later version.
 */

#include "backend_x64/block_of_code.h"
#include "backend_x64/emit_x64.h"
#include "frontend/ir/basic_block.h"
#include "frontend/ir/microinstruction.h"

namespace Dynarmic::BackendX64 {

using namespace Xbyak::util;

template <typename Function>
static void EmitVectorOperation(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Function fn) {
    auto args = ctx.reg_alloc.GetArgumentInfo(inst);

    Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
    Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);

    (code.*fn)(xmm_a, xmm_b);

    ctx.reg_alloc.DefineValue(inst, xmm_a);
}

void EmitX64::EmitFPVectorAdd32(EmitContext& ctx, IR::Inst* inst) {
    EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::addps);
}

void EmitX64::EmitFPVectorAdd64(EmitContext& ctx, IR::Inst* inst) {
    EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::addpd);
}

void EmitX64::EmitFPVectorSub32(EmitContext& ctx, IR::Inst* inst) {
    EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::subps);
}

void EmitX64::EmitFPVectorSub64(EmitContext& ctx, IR::Inst* inst) {
    EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::subpd);
}

} // namespace Dynarmic::BackendX64