262 lines
8.4 KiB
C++
262 lines
8.4 KiB
C++
//===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===//
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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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#include "Sparc.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/TargetParser/Host.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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using namespace clang;
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using namespace llvm::opt;
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const char *sparc::getSparcAsmModeForCPU(StringRef Name,
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const llvm::Triple &Triple) {
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if (Triple.getArch() == llvm::Triple::sparcv9) {
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const char *DefV9CPU;
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if (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD())
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DefV9CPU = "-Av9a";
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else
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DefV9CPU = "-Av9";
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return llvm::StringSwitch<const char *>(Name)
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.Case("niagara", "-Av9b")
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.Case("niagara2", "-Av9b")
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.Case("niagara3", "-Av9d")
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.Case("niagara4", "-Av9d")
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.Default(DefV9CPU);
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} else {
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return llvm::StringSwitch<const char *>(Name)
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.Case("v8", "-Av8")
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.Case("supersparc", "-Av8")
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.Case("sparclite", "-Asparclite")
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.Case("f934", "-Asparclite")
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.Case("hypersparc", "-Av8")
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.Case("sparclite86x", "-Asparclite")
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.Case("sparclet", "-Asparclet")
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.Case("tsc701", "-Asparclet")
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.Case("v9", "-Av8plus")
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.Case("ultrasparc", "-Av8plus")
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.Case("ultrasparc3", "-Av8plus")
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.Case("niagara", "-Av8plusb")
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.Case("niagara2", "-Av8plusb")
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.Case("niagara3", "-Av8plusd")
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.Case("niagara4", "-Av8plusd")
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.Case("ma2100", "-Aleon")
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.Case("ma2150", "-Aleon")
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.Case("ma2155", "-Aleon")
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.Case("ma2450", "-Aleon")
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.Case("ma2455", "-Aleon")
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.Case("ma2x5x", "-Aleon")
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.Case("ma2080", "-Aleon")
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.Case("ma2085", "-Aleon")
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.Case("ma2480", "-Aleon")
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.Case("ma2485", "-Aleon")
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.Case("ma2x8x", "-Aleon")
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.Case("leon2", "-Av8")
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.Case("at697e", "-Av8")
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.Case("at697f", "-Av8")
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.Case("leon3", "-Aleon")
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.Case("ut699", "-Av8")
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.Case("gr712rc", "-Aleon")
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.Case("leon4", "-Aleon")
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.Case("gr740", "-Aleon")
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.Default("-Av8");
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}
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}
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sparc::FloatABI sparc::getSparcFloatABI(const Driver &D,
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const ArgList &Args) {
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sparc::FloatABI ABI = sparc::FloatABI::Invalid;
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if (Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mno_fpu,
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options::OPT_mhard_float, options::OPT_mfpu,
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options::OPT_mfloat_abi_EQ)) {
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if (A->getOption().matches(options::OPT_msoft_float) ||
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A->getOption().matches(options::OPT_mno_fpu))
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ABI = sparc::FloatABI::Soft;
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else if (A->getOption().matches(options::OPT_mhard_float) ||
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A->getOption().matches(options::OPT_mfpu))
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ABI = sparc::FloatABI::Hard;
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else {
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ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
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.Case("soft", sparc::FloatABI::Soft)
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.Case("hard", sparc::FloatABI::Hard)
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.Default(sparc::FloatABI::Invalid);
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if (ABI == sparc::FloatABI::Invalid &&
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!StringRef(A->getValue()).empty()) {
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D.Diag(clang::diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
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ABI = sparc::FloatABI::Hard;
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}
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}
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}
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// If unspecified, choose the default based on the platform.
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// Only the hard-float ABI on Sparc is standardized, and it is the
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// default. GCC also supports a nonstandard soft-float ABI mode, also
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// implemented in LLVM. However as this is not standard we set the default
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// to be hard-float.
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if (ABI == sparc::FloatABI::Invalid) {
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ABI = sparc::FloatABI::Hard;
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}
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return ABI;
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}
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std::string sparc::getSparcTargetCPU(const Driver &D, const ArgList &Args,
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const llvm::Triple &Triple) {
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if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mcpu_EQ)) {
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StringRef CPUName = A->getValue();
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if (CPUName == "native") {
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std::string CPU = std::string(llvm::sys::getHostCPUName());
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if (!CPU.empty() && CPU != "generic")
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return CPU;
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return "";
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}
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return std::string(CPUName);
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}
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if (Triple.getArch() == llvm::Triple::sparc && Triple.isOSSolaris())
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return "v9";
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return "";
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}
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void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
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std::vector<StringRef> &Features) {
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sparc::FloatABI FloatABI = sparc::getSparcFloatABI(D, Args);
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if (FloatABI == sparc::FloatABI::Soft)
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Features.push_back("+soft-float");
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if (Arg *A = Args.getLastArg(options::OPT_mfsmuld, options::OPT_mno_fsmuld)) {
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if (A->getOption().matches(options::OPT_mfsmuld))
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Features.push_back("+fsmuld");
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else
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Features.push_back("-fsmuld");
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}
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if (Arg *A = Args.getLastArg(options::OPT_mpopc, options::OPT_mno_popc)) {
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if (A->getOption().matches(options::OPT_mpopc))
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Features.push_back("+popc");
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else
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Features.push_back("-popc");
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}
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if (Arg *A = Args.getLastArg(options::OPT_mvis, options::OPT_mno_vis)) {
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if (A->getOption().matches(options::OPT_mvis))
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Features.push_back("+vis");
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else
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Features.push_back("-vis");
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}
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if (Arg *A = Args.getLastArg(options::OPT_mvis2, options::OPT_mno_vis2)) {
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if (A->getOption().matches(options::OPT_mvis2))
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Features.push_back("+vis2");
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else
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Features.push_back("-vis2");
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}
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if (Arg *A = Args.getLastArg(options::OPT_mvis3, options::OPT_mno_vis3)) {
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if (A->getOption().matches(options::OPT_mvis3))
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Features.push_back("+vis3");
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else
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Features.push_back("-vis3");
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}
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if (Arg *A = Args.getLastArg(options::OPT_mhard_quad_float,
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options::OPT_msoft_quad_float)) {
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if (A->getOption().matches(options::OPT_mhard_quad_float))
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Features.push_back("+hard-quad-float");
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else
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Features.push_back("-hard-quad-float");
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}
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if (Args.hasArg(options::OPT_ffixed_g1))
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Features.push_back("+reserve-g1");
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if (Args.hasArg(options::OPT_ffixed_g2))
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Features.push_back("+reserve-g2");
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if (Args.hasArg(options::OPT_ffixed_g3))
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Features.push_back("+reserve-g3");
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if (Args.hasArg(options::OPT_ffixed_g4))
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Features.push_back("+reserve-g4");
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if (Args.hasArg(options::OPT_ffixed_g5))
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Features.push_back("+reserve-g5");
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if (Args.hasArg(options::OPT_ffixed_g6))
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Features.push_back("+reserve-g6");
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if (Args.hasArg(options::OPT_ffixed_g7))
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Features.push_back("+reserve-g7");
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if (Args.hasArg(options::OPT_ffixed_o0))
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Features.push_back("+reserve-o0");
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if (Args.hasArg(options::OPT_ffixed_o1))
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Features.push_back("+reserve-o1");
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if (Args.hasArg(options::OPT_ffixed_o2))
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Features.push_back("+reserve-o2");
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if (Args.hasArg(options::OPT_ffixed_o3))
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Features.push_back("+reserve-o3");
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if (Args.hasArg(options::OPT_ffixed_o4))
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Features.push_back("+reserve-o4");
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if (Args.hasArg(options::OPT_ffixed_o5))
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Features.push_back("+reserve-o5");
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if (Args.hasArg(options::OPT_ffixed_l0))
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Features.push_back("+reserve-l0");
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if (Args.hasArg(options::OPT_ffixed_l1))
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Features.push_back("+reserve-l1");
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if (Args.hasArg(options::OPT_ffixed_l2))
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Features.push_back("+reserve-l2");
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if (Args.hasArg(options::OPT_ffixed_l3))
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Features.push_back("+reserve-l3");
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if (Args.hasArg(options::OPT_ffixed_l4))
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Features.push_back("+reserve-l4");
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if (Args.hasArg(options::OPT_ffixed_l5))
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Features.push_back("+reserve-l5");
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if (Args.hasArg(options::OPT_ffixed_l6))
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Features.push_back("+reserve-l6");
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if (Args.hasArg(options::OPT_ffixed_l7))
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Features.push_back("+reserve-l7");
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if (Args.hasArg(options::OPT_ffixed_i0))
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Features.push_back("+reserve-i0");
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if (Args.hasArg(options::OPT_ffixed_i1))
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Features.push_back("+reserve-i1");
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if (Args.hasArg(options::OPT_ffixed_i2))
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Features.push_back("+reserve-i2");
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if (Args.hasArg(options::OPT_ffixed_i3))
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Features.push_back("+reserve-i3");
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if (Args.hasArg(options::OPT_ffixed_i4))
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Features.push_back("+reserve-i4");
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if (Args.hasArg(options::OPT_ffixed_i5))
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Features.push_back("+reserve-i5");
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}
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