| 1 | //===-- VESubtarget.cpp - VE Subtarget Information ------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file implements the VE specific subclass of TargetSubtargetInfo. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "VESubtarget.h" |
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| 14 | #include "VE.h" |
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| 15 | #include "llvm/MC/TargetRegistry.h" |
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| 16 | #include "llvm/Support/MathExtras.h" |
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| 17 | |
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| 18 | using namespace llvm; |
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| 19 | |
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| 20 | #define DEBUG_TYPE "ve-subtarget" |
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| 21 | |
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| 22 | #define GET_SUBTARGETINFO_TARGET_DESC |
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| 23 | #define GET_SUBTARGETINFO_CTOR |
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| 24 | #include "VEGenSubtargetInfo.inc" |
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| 25 | |
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| 26 | void VESubtarget::anchor() {} |
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| 27 | |
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| 28 | VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU, |
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| 29 | StringRef FS) { |
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| 30 | // Default feature settings |
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| 31 | EnableVPU = false; |
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| 32 | |
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| 33 | // Determine default and user specified characteristics |
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| 34 | std::string CPUName = std::string(CPU); |
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| 35 | if (CPUName.empty()) |
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| 36 | CPUName = "generic" ; |
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| 37 | |
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| 38 | // Parse features string. |
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| 39 | ParseSubtargetFeatures(CPU: CPUName, /*TuneCPU=*/CPU, FS); |
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| 40 | |
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| 41 | return *this; |
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| 42 | } |
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| 43 | |
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| 44 | VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU, |
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| 45 | const std::string &FS, const TargetMachine &TM) |
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| 46 | : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), |
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| 47 | InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), |
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| 48 | FrameLowering(*this) {} |
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| 49 | |
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| 50 | uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const { |
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| 51 | // Calculate adjusted frame size by adding the size of RSA frame, |
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| 52 | // return address, and frame poitner as described in VEFrameLowering.cpp. |
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| 53 | const VEFrameLowering *TFL = getFrameLowering(); |
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| 54 | |
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| 55 | FrameSize += getRsaSize(); |
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| 56 | FrameSize = alignTo(Size: FrameSize, A: TFL->getStackAlign()); |
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| 57 | |
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| 58 | return FrameSize; |
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| 59 | } |
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| 60 | |
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| 61 | bool VESubtarget::enableMachineScheduler() const { return true; } |
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| 62 | |
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