1 files changed, 74 insertions, 0 deletions

diff --git a/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.cpp b/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.cpp
new file mode 100644
index 000000000000..963c2ede9c44
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.cpp
@@ -0,0 +1,74 @@
+//===-- 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;
+}