1//===-- VESubtarget.cpp - VE Subtarget Information ------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the VE specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#include "VESubtarget.h"
14#include "VE.h"
15#include "llvm/Support/MathExtras.h"
16#include "llvm/Support/TargetRegistry.h"
17
18using namespace llvm;
19
20#define DEBUG_TYPE "ve-subtarget"
21
22#define GET_SUBTARGETINFO_TARGET_DESC
23#define GET_SUBTARGETINFO_CTOR
24#include "VEGenSubtargetInfo.inc"
25
26void VESubtarget::anchor() {}
27
28VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU,
29                                                          StringRef FS) {
30  // Default feature settings
31  EnableVPU = false;
32
33  // Determine default and user specified characteristics
34  std::string CPUName = std::string(CPU);
35  if (CPUName.empty())
36    CPUName = "generic";
37
38  // Parse features string.
39  ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS);
40
41  return *this;
42}
43
44VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU,
45                         const std::string &FS, const TargetMachine &TM)
46    : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT),
47      InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
48      FrameLowering(*this) {}
49
50uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const {
51  // Calculate adjusted frame size by adding the size of RSA frame,
52  // return address, and frame poitner as described in VEFrameLowering.cpp.
53  const VEFrameLowering *TFL = getFrameLowering();
54
55  FrameSize += getRsaSize();
56  FrameSize = alignTo(FrameSize, TFL->getStackAlign());
57
58  return FrameSize;
59}
60
61bool VESubtarget::enableMachineScheduler() const { return true; }
62