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 "llvm/MC/TargetRegistry.h"
15
16using namespace llvm;
17
18#define DEBUG_TYPE "ve-subtarget"
19
20#define GET_SUBTARGETINFO_TARGET_DESC
21#define GET_SUBTARGETINFO_CTOR
22#include "VEGenSubtargetInfo.inc"
23
24void VESubtarget::anchor() {}
25
26VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU,
27 StringRef FS) {
28 // Default feature settings
29 EnableVPU = false;
30
31 // Determine default and user specified characteristics
32 std::string CPUName = std::string(CPU);
33 if (CPUName.empty())
34 CPUName = "generic";
35
36 // Parse features string.
37 ParseSubtargetFeatures(CPU: CPUName, /*TuneCPU=*/CPU, FS);
38
39 return *this;
40}
41
42VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU,
43 const std::string &FS, const TargetMachine &TM)
44 : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT),
45 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
46 FrameLowering(*this) {}
47
48uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const {
49 // Calculate adjusted frame size by adding the size of RSA frame,
50 // return address, and frame poitner as described in VEFrameLowering.cpp.
51 const VEFrameLowering *TFL = getFrameLowering();
52
53 FrameSize += getRsaSize();
54 FrameSize = alignTo(Size: FrameSize, A: TFL->getStackAlign());
55
56 return FrameSize;
57}
58
59bool VESubtarget::enableMachineScheduler() const { return true; }
60