This patch add the support of RISCV Zca ext `Zca` is a subset of C extension instructions that are compatible with the Zc extension. So this patch implements Zca code generation with reference to the C extension and sets the 2-byte alignment for the Zca extension, just like C extension does. Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D130483
27 lines
963 B
C++
27 lines
963 B
C++
//===-- RISCVMCObjectFileInfo.cpp - RISCV object file properties ----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the RISCVMCObjectFileInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "RISCVMCObjectFileInfo.h"
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#include "RISCVMCTargetDesc.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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using namespace llvm;
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unsigned RISCVMCObjectFileInfo::getTextSectionAlignment() const {
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const MCSubtargetInfo *STI = getContext().getSubtargetInfo();
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return (STI->hasFeature(RISCV::FeatureStdExtC) ||
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STI->hasFeature(RISCV::FeatureExtZca))
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? 2
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: 4;
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}
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