1 | //===- XtensaSubtarget.cpp - Xtensa 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 Xtensa specific subclass of TargetSubtargetInfo. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #include "XtensaSubtarget.h" |
14 | #include "llvm/IR/GlobalValue.h" |
15 | #include "llvm/Support/Debug.h" |
16 | |
17 | #define DEBUG_TYPE "xtensa-subtarget" |
18 | |
19 | #define GET_SUBTARGETINFO_TARGET_DESC |
20 | #define GET_SUBTARGETINFO_CTOR |
21 | #include "XtensaGenSubtargetInfo.inc" |
22 | |
23 | using namespace llvm; |
24 | |
25 | XtensaSubtarget & |
26 | XtensaSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { |
27 | StringRef CPUName = CPU; |
28 | if (CPUName.empty()) { |
29 | // set default cpu name |
30 | CPUName = "generic" ; |
31 | } |
32 | |
33 | HasDensity = false; |
34 | |
35 | // Parse features string. |
36 | ParseSubtargetFeatures(CPU: CPUName, TuneCPU: CPUName, FS); |
37 | return *this; |
38 | } |
39 | |
40 | XtensaSubtarget::XtensaSubtarget(const Triple &TT, StringRef CPU, StringRef FS, |
41 | const TargetMachine &TM) |
42 | : XtensaGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), |
43 | InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), |
44 | TSInfo(), FrameLowering() {} |
45 | |