File: CSKYSubtarget.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (74 lines) | stat: -rw-r--r-- 2,147 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
//===-- CSKYSubtarget.h - Define Subtarget for the CSKY----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the CSKY specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//

#include "CSKYSubtarget.h"

using namespace llvm;

#define DEBUG_TYPE "csky-subtarget"
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "CSKYGenSubtargetInfo.inc"

void CSKYSubtarget::anchor() {}

CSKYSubtarget &CSKYSubtarget::initializeSubtargetDependencies(
    const Triple &TT, StringRef CPUName, StringRef TuneCPUName, StringRef FS) {

  if (CPUName.empty())
    CPUName = "generic";
  if (TuneCPUName.empty())
    TuneCPUName = CPUName;

  UseHardFloat = false;
  UseHardFloatABI = false;
  HasFPUv2SingleFloat = false;
  HasFPUv2DoubleFloat = false;
  HasFPUv3SingleFloat = false;
  HasFPUv3DoubleFloat = false;

  HasBTST16 = false;
  HasJAVA = false;
  HasExtendLrw = false;
  HasDoloop = false;
  HasHighRegisters = false;

  HasE1 = false;
  HasE2 = false;
  Has2E3 = false;
  HasMP = false;
  Has3E3r1 = false;
  Has3r1E3r2 = false;
  Has3r2E3r3 = false;
  Has3E7 = false;
  HasMP1E2 = false;
  Has7E10 = false;
  Has10E60 = false;

  ParseSubtargetFeatures(CPUName, TuneCPUName, FS);
  return *this;
}

CSKYSubtarget::CSKYSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
                             StringRef FS, const TargetMachine &TM)
    : CSKYGenSubtargetInfo(TT, CPU, TuneCPU, FS),
      FrameLowering(initializeSubtargetDependencies(TT, CPU, TuneCPU, FS)),
      InstrInfo(*this), RegInfo(), TLInfo(TM, *this) {}

bool CSKYSubtarget::useHardFloatABI() const {
  auto FloatABI = getTargetLowering()->getTargetMachine().Options.FloatABIType;

  if (FloatABI == FloatABI::Default)
    return UseHardFloatABI;
  else
    return FloatABI == FloatABI::Hard;
}