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of the intrinsics. The goal is to auto-generate both support for GCC-style (vector) and ARM-style (struct of vector) intrinsics. This is work in progress, but will be completed soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104910 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
//===- NeonEmitter.cpp - Generate arm_neon.h for use with clang -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tablegen backend is responsible for emitting arm_neon.h, which includes
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// a declaration and definition of each function specified by the ARM NEON
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// compiler interface. See ARM document DUI0348B.
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//
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//===----------------------------------------------------------------------===//
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#include "NeonEmitter.h"
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#include "Record.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringMap.h"
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#include <string>
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using namespace llvm;
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void NeonEmitter::run(raw_ostream &OS) {
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EmitSourceFileHeader("ARM NEON Header", OS);
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// FIXME: emit license into file?
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OS << "#ifndef __ARM_NEON_H\n";
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OS << "#define __ARM_NEON_H\n\n";
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OS << "#ifndef __ARM_NEON__\n";
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OS << "#error \"NEON support not enabled\"\n";
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OS << "#endif\n\n";
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OS << "#include <stdint.h>\n\n";
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// EmitTypedefs(OS);
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// Process Records
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std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
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// Unique the pattern types, and assign them
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// emit #define directives for uniq'd prototypes
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// emit record directives
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for (unsigned i = 0, e = RV.size(); i != e; ++i) {
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Record *R = RV[i];
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OS << LowercaseString(R->getName()) << "\n";
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std::string Types = R->getValueAsString("Types");
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std::string Pattern = R->getValueAsString("Pattern");
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OS << Types << "\n" << Pattern << "\n\n";
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}
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OS << "#endif /* __ARM_NEON_H */\n";
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}
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