Files
kernels/sim/simx/operand.h
Blaise Tine d47cccc157 Vortex 2.0 changes:
+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes
2023-10-19 20:51:22 -07:00

61 lines
1.6 KiB
C++

// Copyright © 2019-2023
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "pipeline.h"
#include <queue>
namespace vortex {
class Operand : public SimObject<Operand> {
public:
SimPort<pipeline_trace_t*> Input;
SimPort<pipeline_trace_t*> Output;
Operand(const SimContext& ctx)
: SimObject<Operand>(ctx, "Operand")
, Input(this)
, Output(this)
{}
virtual ~Operand() {}
virtual void reset() {}
virtual void tick() {
if (Input.empty())
return;
auto trace = Input.front();
int delay = 1;
for (int i = 0; i < MAX_NUM_REGS; ++i) {
bool is_iregs = trace->used_iregs.test(i);
bool is_fregs = trace->used_fregs.test(i);
bool is_vregs = trace->used_vregs.test(i);
if (is_iregs || is_fregs || is_vregs) {
if (is_iregs && i == 0)
continue;
++delay;
}
}
Output.send(trace, delay);
DT(3, "pipeline-operands: " << *trace);
Input.pop();
};
};
}