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/MC/TargetRegistry.h"
16 #include "llvm/Support/MathExtras.h"
17
18 using 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
anchor()26 void VESubtarget::anchor() {}
27
initializeSubtargetDependencies(StringRef CPU,StringRef FS)28 VESubtarget &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
VESubtarget(const Triple & TT,const std::string & CPU,const std::string & FS,const TargetMachine & TM)44 VESubtarget::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
getAdjustedFrameSize(uint64_t FrameSize) const50 uint64_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
enableMachineScheduler() const61 bool VESubtarget::enableMachineScheduler() const { return true; }
62