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clang-1
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clang-1/lib/Basic/Targets.cpp

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//===--- Targets.cpp - Implement -arch option and targets -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements construction of a TargetInfo object from a
// target triple.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Triple.h"
#include "llvm/MC/MCSectionMachO.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// Common code shared among targets.
//===----------------------------------------------------------------------===//
static void Define(std::vector<char> &Buf, const llvm::StringRef &Macro,
const llvm::StringRef &Val = "1") {
const char *Def = "#define ";
Buf.insert(Buf.end(), Def, Def+strlen(Def));
Buf.insert(Buf.end(), Macro.begin(), Macro.end());
Buf.push_back(' ');
Buf.insert(Buf.end(), Val.begin(), Val.end());
Buf.push_back('\n');
}
/// DefineStd - Define a macro name and standard variants. For example if
/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
/// when in GNU mode.
static void DefineStd(std::vector<char> &Buf, const char *MacroName,
const LangOptions &Opts) {
assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
// If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
// in the user's namespace.
if (Opts.GNUMode)
Define(Buf, MacroName);
// Define __unix.
llvm::SmallString<20> TmpStr;
TmpStr = "__";
TmpStr += MacroName;
Define(Buf, TmpStr.str());
// Define __unix__.
TmpStr += "__";
Define(Buf, TmpStr.str());
}
//===----------------------------------------------------------------------===//
// Defines specific to certain operating systems.
//===----------------------------------------------------------------------===//
namespace {
template<typename TgtInfo>
class OSTargetInfo : public TgtInfo {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defines) const=0;
public:
OSTargetInfo(const std::string& triple) : TgtInfo(triple) {}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
TgtInfo::getTargetDefines(Opts, Defines);
getOSDefines(Opts, TgtInfo::getTriple(), Defines);
}
};
} // end anonymous namespace
static void getDarwinDefines(std::vector<char> &Defs, const LangOptions &Opts) {
Define(Defs, "__APPLE_CC__", "5621");
Define(Defs, "__APPLE__");
Define(Defs, "__MACH__");
Define(Defs, "OBJC_NEW_PROPERTIES");
// __weak is always defined, for use in blocks and with objc pointers.
Define(Defs, "__weak", "__attribute__((objc_gc(weak)))");
// Darwin defines __strong even in C mode (just to nothing).
if (!Opts.ObjC1 || Opts.getGCMode() == LangOptions::NonGC)
Define(Defs, "__strong", "");
else
Define(Defs, "__strong", "__attribute__((objc_gc(strong)))");
if (Opts.Static)
Define(Defs, "__STATIC__");
else
Define(Defs, "__DYNAMIC__");
if (Opts.POSIXThreads)
Define(Defs, "_REENTRANT", "1");
}
static void getDarwinOSXDefines(std::vector<char> &Defs,
const llvm::Triple &Triple) {
if (Triple.getOS() != llvm::Triple::Darwin)
return;
// Figure out which "darwin number" the target triple is. "darwin9" -> 10.5.
unsigned Maj, Min, Rev;
Triple.getDarwinNumber(Maj, Min, Rev);
char MacOSXStr[] = "1000";
if (Maj >= 4 && Maj <= 13) { // 10.0-10.9
// darwin7 -> 1030, darwin8 -> 1040, darwin9 -> 1050, etc.
MacOSXStr[2] = '0' + Maj-4;
}
// Handle minor version: 10.4.9 -> darwin8.9 -> "1049"
// Cap 10.4.11 -> darwin8.11 -> "1049"
MacOSXStr[3] = std::min(Min, 9U)+'0';
Define(Defs, "__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", MacOSXStr);
}
static void getDarwinIPhoneOSDefines(std::vector<char> &Defs,
const llvm::Triple &Triple) {
if (Triple.getOS() != llvm::Triple::Darwin)
return;
// Figure out which "darwin number" the target triple is. "darwin9" -> 10.5.
unsigned Maj, Min, Rev;
Triple.getDarwinNumber(Maj, Min, Rev);
// When targetting iPhone OS, interpret the minor version and
// revision as the iPhone OS version
char iPhoneOSStr[] = "10000";
if (Min >= 2 && Min <= 9) { // iPhone OS 2.0-9.0
// darwin9.2.0 -> 20000, darwin9.3.0 -> 30000, etc.
iPhoneOSStr[0] = '0' + Min;
}
// Handle minor version: 2.2 -> darwin9.2.2 -> 20200
iPhoneOSStr[2] = std::min(Rev, 9U)+'0';
Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__",
iPhoneOSStr);
}
/// GetDarwinLanguageOptions - Set the default language options for darwin.
static void GetDarwinLanguageOptions(LangOptions &Opts,
const llvm::Triple &Triple) {
Opts.NeXTRuntime = true;
if (Triple.getOS() != llvm::Triple::Darwin)
return;
unsigned MajorVersion = Triple.getDarwinMajorNumber();
// Blocks and stack protectors default to on for 10.6 (darwin10) and beyond.
if (MajorVersion > 9) {
Opts.Blocks = 1;
Opts.setStackProtectorMode(LangOptions::SSPOn);
}
// Non-fragile ABI (in 64-bit mode) default to on for 10.5 (darwin9) and
// beyond.
if (MajorVersion >= 9 && Opts.ObjC1 &&
Triple.getArch() == llvm::Triple::x86_64)
Opts.ObjCNonFragileABI = 1;
}
namespace {
template<typename Target>
class DarwinTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defines) const {
getDarwinDefines(Defines, Opts);
getDarwinOSXDefines(Defines, Triple);
}
/// getDefaultLangOptions - Allow the target to specify default settings for
/// various language options. These may be overridden by command line
/// options.
virtual void getDefaultLangOptions(LangOptions &Opts) {
TargetInfo::getDefaultLangOptions(Opts);
GetDarwinLanguageOptions(Opts, TargetInfo::getTriple());
}
public:
DarwinTargetInfo(const std::string& triple) :
OSTargetInfo<Target>(triple) {
this->TLSSupported = false;
}
virtual const char *getUnicodeStringSection() const {
return "__TEXT,__ustring";
}
virtual std::string isValidSectionSpecifier(const llvm::StringRef &SR) const {
// Let MCSectionMachO validate this.
llvm::StringRef Segment, Section;
unsigned TAA, StubSize;
return llvm::MCSectionMachO::ParseSectionSpecifier(SR, Segment, Section,
TAA, StubSize);
}
};
// DragonFlyBSD Target
template<typename Target>
class DragonFlyBSDTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
// DragonFly defines; list based off of gcc output
Define(Defs, "__DragonFly__");
Define(Defs, "__DragonFly_cc_version", "100001");
Define(Defs, "__ELF__");
Define(Defs, "__KPRINTF_ATTRIBUTE__");
Define(Defs, "__tune_i386__");
DefineStd(Defs, "unix", Opts);
}
public:
DragonFlyBSDTargetInfo(const std::string &triple)
: OSTargetInfo<Target>(triple) {}
};
// FreeBSD Target
template<typename Target>
class FreeBSDTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
// FreeBSD defines; list based off of gcc output
// FIXME: Move version number handling to llvm::Triple.
const char *FreeBSD = strstr(Triple.getTriple().c_str(),
"-freebsd");
FreeBSD += strlen("-freebsd");
char release[] = "X";
release[0] = FreeBSD[0];
char version[] = "X00001";
version[0] = FreeBSD[0];
Define(Defs, "__FreeBSD__", release);
Define(Defs, "__FreeBSD_cc_version", version);
Define(Defs, "__KPRINTF_ATTRIBUTE__");
DefineStd(Defs, "unix", Opts);
Define(Defs, "__ELF__", "1");
}
public:
FreeBSDTargetInfo(const std::string &triple)
: OSTargetInfo<Target>(triple) {
this->UserLabelPrefix = "";
}
};
// Linux target
template<typename Target>
class LinuxTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
// Linux defines; list based off of gcc output
DefineStd(Defs, "unix", Opts);
DefineStd(Defs, "linux", Opts);
Define(Defs, "__gnu_linux__");
Define(Defs, "__ELF__", "1");
if (Opts.POSIXThreads)
Define(Defs, "_REENTRANT", "1");
}
public:
LinuxTargetInfo(const std::string& triple)
: OSTargetInfo<Target>(triple) {
this->UserLabelPrefix = "";
}
};
// NetBSD Target
template<typename Target>
class NetBSDTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
// NetBSD defines; list based off of gcc output
Define(Defs, "__NetBSD__", "1");
Define(Defs, "__unix__", "1");
Define(Defs, "__ELF__", "1");
if (Opts.POSIXThreads)
Define(Defs, "_POSIX_THREADS", "1");
}
public:
NetBSDTargetInfo(const std::string &triple)
: OSTargetInfo<Target>(triple) {
this->UserLabelPrefix = "";
}
};
// OpenBSD Target
template<typename Target>
class OpenBSDTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
// OpenBSD defines; list based off of gcc output
Define(Defs, "__OpenBSD__", "1");
DefineStd(Defs, "unix", Opts);
Define(Defs, "__ELF__", "1");
if (Opts.POSIXThreads)
Define(Defs, "_POSIX_THREADS", "1");
}
public:
OpenBSDTargetInfo(const std::string &triple)
: OSTargetInfo<Target>(triple) {}
};
// AuroraUX target
template<typename Target>
class AuroraUXTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
DefineStd(Defs, "sun", Opts);
DefineStd(Defs, "unix", Opts);
Define(Defs, "__ELF__");
Define(Defs, "__svr4__");
Define(Defs, "__SVR4");
}
public:
AuroraUXTargetInfo(const std::string& triple)
: OSTargetInfo<Target>(triple) {
this->UserLabelPrefix = "";
this->WCharType = this->SignedLong;
// FIXME: WIntType should be SignedLong
}
};
// Solaris target
template<typename Target>
class SolarisTargetInfo : public OSTargetInfo<Target> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defs) const {
DefineStd(Defs, "sun", Opts);
DefineStd(Defs, "unix", Opts);
Define(Defs, "__ELF__");
Define(Defs, "__svr4__");
Define(Defs, "__SVR4");
}
public:
SolarisTargetInfo(const std::string& triple)
: OSTargetInfo<Target>(triple) {
this->UserLabelPrefix = "";
this->WCharType = this->SignedLong;
// FIXME: WIntType should be SignedLong
}
};
} // end anonymous namespace.
//===----------------------------------------------------------------------===//
// Specific target implementations.
//===----------------------------------------------------------------------===//
namespace {
// PPC abstract base class
class PPCTargetInfo : public TargetInfo {
static const Builtin::Info BuiltinInfo[];
static const char * const GCCRegNames[];
static const TargetInfo::GCCRegAlias GCCRegAliases[];
public:
PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
Records = BuiltinInfo;
NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const;
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
// This is the right definition for ABI/V4: System V.4/eabi.
/*return "typedef struct __va_list_tag {"
" unsigned char gpr;"
" unsigned char fpr;"
" unsigned short reserved;"
" void* overflow_arg_area;"
" void* reg_save_area;"
"} __builtin_va_list[1];";*/
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const;
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const {
switch (*Name) {
default: return false;
case 'O': // Zero
return true;
case 'b': // Base register
case 'f': // Floating point register
Info.setAllowsRegister();
return true;
}
}
virtual void getDefaultLangOptions(LangOptions &Opts) {
TargetInfo::getDefaultLangOptions(Opts);
Opts.CharIsSigned = false;
}
virtual const char *getClobbers() const {
return "";
}
};
const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, false },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER, false },
#include "clang/Basic/BuiltinsPPC.def"
};
/// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
/// #defines that are not tied to a specific subtarget.
void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defs) const {
// Target identification.
Define(Defs, "__ppc__");
Define(Defs, "_ARCH_PPC");
Define(Defs, "__POWERPC__");
if (PointerWidth == 64) {
Define(Defs, "_ARCH_PPC64");
Define(Defs, "_LP64");
Define(Defs, "__LP64__");
Define(Defs, "__ppc64__");
} else {
Define(Defs, "__ppc__");
}
// Target properties.
Define(Defs, "_BIG_ENDIAN");
Define(Defs, "__BIG_ENDIAN__");
// Subtarget options.
Define(Defs, "__NATURAL_ALIGNMENT__");
Define(Defs, "__REGISTER_PREFIX__", "");
// FIXME: Should be controlled by command line option.
Define(Defs, "__LONG_DOUBLE_128__");
}
const char * const PPCTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
"mq", "lr", "ctr", "ap",
"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
"xer",
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
"vrsave", "vscr",
"spe_acc", "spefscr",
"sfp"
};
void PPCTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
const TargetInfo::GCCRegAlias PPCTargetInfo::GCCRegAliases[] = {
// While some of these aliases do map to different registers
// they still share the same register name.
{ { "0" }, "r0" },
{ { "1"}, "r1" },
{ { "2" }, "r2" },
{ { "3" }, "r3" },
{ { "4" }, "r4" },
{ { "5" }, "r5" },
{ { "6" }, "r6" },
{ { "7" }, "r7" },
{ { "8" }, "r8" },
{ { "9" }, "r9" },
{ { "10" }, "r10" },
{ { "11" }, "r11" },
{ { "12" }, "r12" },
{ { "13" }, "r13" },
{ { "14" }, "r14" },
{ { "15" }, "r15" },
{ { "16" }, "r16" },
{ { "17" }, "r17" },
{ { "18" }, "r18" },
{ { "19" }, "r19" },
{ { "20" }, "r20" },
{ { "21" }, "r21" },
{ { "22" }, "r22" },
{ { "23" }, "r23" },
{ { "24" }, "r24" },
{ { "25" }, "r25" },
{ { "26" }, "r26" },
{ { "27" }, "r27" },
{ { "28" }, "r28" },
{ { "29" }, "r29" },
{ { "30" }, "r30" },
{ { "31" }, "r31" },
{ { "fr0" }, "f0" },
{ { "fr1" }, "f1" },
{ { "fr2" }, "f2" },
{ { "fr3" }, "f3" },
{ { "fr4" }, "f4" },
{ { "fr5" }, "f5" },
{ { "fr6" }, "f6" },
{ { "fr7" }, "f7" },
{ { "fr8" }, "f8" },
{ { "fr9" }, "f9" },
{ { "fr10" }, "f10" },
{ { "fr11" }, "f11" },
{ { "fr12" }, "f12" },
{ { "fr13" }, "f13" },
{ { "fr14" }, "f14" },
{ { "fr15" }, "f15" },
{ { "fr16" }, "f16" },
{ { "fr17" }, "f17" },
{ { "fr18" }, "f18" },
{ { "fr19" }, "f19" },
{ { "fr20" }, "f20" },
{ { "fr21" }, "f21" },
{ { "fr22" }, "f22" },
{ { "fr23" }, "f23" },
{ { "fr24" }, "f24" },
{ { "fr25" }, "f25" },
{ { "fr26" }, "f26" },
{ { "fr27" }, "f27" },
{ { "fr28" }, "f28" },
{ { "fr29" }, "f29" },
{ { "fr30" }, "f30" },
{ { "fr31" }, "f31" },
{ { "cc" }, "cr0" },
};
void PPCTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
} // end anonymous namespace.
namespace {
class PPC32TargetInfo : public PPCTargetInfo {
public:
PPC32TargetInfo(const std::string& triple) : PPCTargetInfo(triple) {
DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v128:128:128";
}
};
} // end anonymous namespace.
namespace {
class PPC64TargetInfo : public PPCTargetInfo {
public:
PPC64TargetInfo(const std::string& triple) : PPCTargetInfo(triple) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
Int64Type = SignedLong;
DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v128:128:128";
}
};
} // end anonymous namespace.
namespace {
// Namespace for x86 abstract base class
const Builtin::Info BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, false },
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER, false },
#include "clang/Basic/BuiltinsX86.def"
};
const char *GCCRegNames[] = {
"ax", "dx", "cx", "bx", "si", "di", "bp", "sp",
"st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
"argp", "flags", "fspr", "dirflag", "frame",
"xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
};
const TargetInfo::GCCRegAlias GCCRegAliases[] = {
{ { "al", "ah", "eax", "rax" }, "ax" },
{ { "bl", "bh", "ebx", "rbx" }, "bx" },
{ { "cl", "ch", "ecx", "rcx" }, "cx" },
{ { "dl", "dh", "edx", "rdx" }, "dx" },
{ { "esi", "rsi" }, "si" },
{ { "edi", "rdi" }, "di" },
{ { "esp", "rsp" }, "sp" },
{ { "ebp", "rbp" }, "bp" },
};
// X86 target abstract base class; x86-32 and x86-64 are very close, so
// most of the implementation can be shared.
class X86TargetInfo : public TargetInfo {
enum X86SSEEnum {
NoMMXSSE, MMX, SSE1, SSE2, SSE3, SSSE3, SSE41, SSE42
} SSELevel;
public:
X86TargetInfo(const std::string& triple)
: TargetInfo(triple), SSELevel(NoMMXSSE) {
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
Records = BuiltinInfo;
NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin;
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const;
virtual std::string convertConstraint(const char Constraint) const;
virtual const char *getClobbers() const {
return "~{dirflag},~{fpsr},~{flags}";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const;
virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
const std::string &Name,
bool Enabled) const;
virtual void getDefaultFeatures(const std::string &CPU,
llvm::StringMap<bool> &Features) const;
virtual void HandleTargetFeatures(const llvm::StringMap<bool> &Features);
};
void X86TargetInfo::getDefaultFeatures(const std::string &CPU,
llvm::StringMap<bool> &Features) const {
// FIXME: This should not be here.
Features["3dnow"] = false;
Features["3dnowa"] = false;
Features["mmx"] = false;
Features["sse"] = false;
Features["sse2"] = false;
Features["sse3"] = false;
Features["ssse3"] = false;
Features["sse41"] = false;
Features["sse42"] = false;
// LLVM does not currently recognize this.
// Features["sse4a"] = false;
// FIXME: This *really* should not be here.
// X86_64 always has SSE2.
if (PointerWidth == 64)
Features["sse2"] = Features["sse"] = Features["mmx"] = true;
if (CPU == "generic" || CPU == "i386" || CPU == "i486" || CPU == "i586" ||
CPU == "pentium" || CPU == "i686" || CPU == "pentiumpro")
;
else if (CPU == "pentium-mmx" || CPU == "pentium2")
setFeatureEnabled(Features, "mmx", true);
else if (CPU == "pentium3")
setFeatureEnabled(Features, "sse", true);
else if (CPU == "pentium-m" || CPU == "pentium4" || CPU == "x86-64")
setFeatureEnabled(Features, "sse2", true);
else if (CPU == "yonah" || CPU == "prescott" || CPU == "nocona")
setFeatureEnabled(Features, "sse3", true);
else if (CPU == "core2")
setFeatureEnabled(Features, "ssse3", true);
else if (CPU == "penryn") {
setFeatureEnabled(Features, "sse4", true);
Features["sse42"] = false;
} else if (CPU == "atom")
setFeatureEnabled(Features, "sse3", true);
else if (CPU == "corei7")
setFeatureEnabled(Features, "sse4", true);
else if (CPU == "k6" || CPU == "winchip-c6")
setFeatureEnabled(Features, "mmx", true);
else if (CPU == "k6-2" || CPU == "k6-3" || CPU == "athlon" ||
CPU == "athlon-tbird" || CPU == "winchip2" || CPU == "c3") {
setFeatureEnabled(Features, "mmx", true);
setFeatureEnabled(Features, "3dnow", true);
} else if (CPU == "athlon-4" || CPU == "athlon-xp" || CPU == "athlon-mp") {
setFeatureEnabled(Features, "sse", true);
setFeatureEnabled(Features, "3dnowa", true);
} else if (CPU == "k8" || CPU == "opteron" || CPU == "athlon64" ||
CPU == "athlon-fx") {
setFeatureEnabled(Features, "sse2", true);
setFeatureEnabled(Features, "3dnowa", true);
} else if (CPU == "c3-2")
setFeatureEnabled(Features, "sse", true);
}
bool X86TargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
const std::string &Name,
bool Enabled) const {
// FIXME: This *really* should not be here.
if (!Features.count(Name) && Name != "sse4")
return false;
if (Enabled) {
if (Name == "mmx")
Features["mmx"] = true;
else if (Name == "sse")
Features["mmx"] = Features["sse"] = true;
else if (Name == "sse2")
Features["mmx"] = Features["sse"] = Features["sse2"] = true;
else if (Name == "sse3")
Features["mmx"] = Features["sse"] = Features["sse2"] =
Features["sse3"] = true;
else if (Name == "ssse3")
Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
Features["ssse3"] = true;
else if (Name == "sse4")
Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
Features["ssse3"] = Features["sse41"] = Features["sse42"] = true;
else if (Name == "3dnow")
Features["3dnowa"] = true;
else if (Name == "3dnowa")
Features["3dnow"] = Features["3dnowa"] = true;
} else {
if (Name == "mmx")
Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
Features["ssse3"] = Features["sse41"] = Features["sse42"] = false;
else if (Name == "sse")
Features["sse"] = Features["sse2"] = Features["sse3"] =
Features["ssse3"] = Features["sse41"] = Features["sse42"] = false;
else if (Name == "sse2")
Features["sse2"] = Features["sse3"] = Features["ssse3"] =
Features["sse41"] = Features["sse42"] = false;
else if (Name == "sse3")
Features["sse3"] = Features["ssse3"] = Features["sse41"] =
Features["sse42"] = false;
else if (Name == "ssse3")
Features["ssse3"] = Features["sse41"] = Features["sse42"] = false;
else if (Name == "sse4")
Features["sse41"] = Features["sse42"] = false;
else if (Name == "3dnow")
Features["3dnow"] = Features["3dnowa"] = false;
else if (Name == "3dnowa")
Features["3dnowa"] = false;
}
return true;
}
/// HandleTargetOptions - Perform initialization based on the user
/// configured set of features.
void X86TargetInfo::HandleTargetFeatures(const llvm::StringMap<bool>&Features) {
if (Features.lookup("sse42"))
SSELevel = SSE42;
else if (Features.lookup("sse41"))
SSELevel = SSE41;
else if (Features.lookup("ssse3"))
SSELevel = SSSE3;
else if (Features.lookup("sse3"))
SSELevel = SSE3;
else if (Features.lookup("sse2"))
SSELevel = SSE2;
else if (Features.lookup("sse"))
SSELevel = SSE1;
else if (Features.lookup("mmx"))
SSELevel = MMX;
}
/// X86TargetInfo::getTargetDefines - Return a set of the X86-specific #defines
/// that are not tied to a specific subtarget.
void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defs) const {
// Target identification.
if (PointerWidth == 64) {
Define(Defs, "_LP64");
Define(Defs, "__LP64__");
Define(Defs, "__amd64__");
Define(Defs, "__amd64");
Define(Defs, "__x86_64");
Define(Defs, "__x86_64__");
} else {
DefineStd(Defs, "i386", Opts);
}
// Target properties.
Define(Defs, "__LITTLE_ENDIAN__");
// Subtarget options.
Define(Defs, "__nocona");
Define(Defs, "__nocona__");
Define(Defs, "__tune_nocona__");
Define(Defs, "__REGISTER_PREFIX__", "");
// Define __NO_MATH_INLINES on linux/x86 so that we don't get inline
// functions in glibc header files that use FP Stack inline asm which the
// backend can't deal with (PR879).
Define(Defs, "__NO_MATH_INLINES");
// Each case falls through to the previous one here.
switch (SSELevel) {
case SSE42:
Define(Defs, "__SSE4_2__");
case SSE41:
Define(Defs, "__SSE4_1__");
case SSSE3:
Define(Defs, "__SSSE3__");
case SSE3:
Define(Defs, "__SSE3__");
case SSE2:
Define(Defs, "__SSE2__");
Define(Defs, "__SSE2_MATH__"); // -mfp-math=sse always implied.
case SSE1:
Define(Defs, "__SSE__");
Define(Defs, "__SSE_MATH__"); // -mfp-math=sse always implied.
case MMX:
Define(Defs, "__MMX__");
case NoMMXSSE:
break;
}
}
bool
X86TargetInfo::validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const {
switch (*Name) {
default: return false;
case 'a': // eax.
case 'b': // ebx.
case 'c': // ecx.
case 'd': // edx.
case 'S': // esi.
case 'D': // edi.
case 'A': // edx:eax.
case 't': // top of floating point stack.
case 'u': // second from top of floating point stack.
case 'q': // Any register accessible as [r]l: a, b, c, and d.
case 'y': // Any MMX register.
case 'x': // Any SSE register.
case 'Q': // Any register accessible as [r]h: a, b, c, and d.
case 'e': // 32-bit signed integer constant for use with zero-extending
// x86_64 instructions.
case 'Z': // 32-bit unsigned integer constant for use with zero-extending
// x86_64 instructions.
case 'N': // unsigned 8-bit integer constant for use with in and out
// instructions.
case 'R': // "legacy" registers: ax, bx, cx, dx, di, si, sp, bp.
Info.setAllowsRegister();
return true;
}
}
std::string
X86TargetInfo::convertConstraint(const char Constraint) const {
switch (Constraint) {
case 'a': return std::string("{ax}");
case 'b': return std::string("{bx}");
case 'c': return std::string("{cx}");
case 'd': return std::string("{dx}");
case 'S': return std::string("{si}");
case 'D': return std::string("{di}");
case 't': // top of floating point stack.
return std::string("{st}");
case 'u': // second from top of floating point stack.
return std::string("{st(1)}"); // second from top of floating point stack.
default:
return std::string(1, Constraint);
}
}
} // end anonymous namespace
namespace {
// X86-32 generic target
class X86_32TargetInfo : public X86TargetInfo {
public:
X86_32TargetInfo(const std::string& triple) : X86TargetInfo(triple) {
DoubleAlign = LongLongAlign = 32;
LongDoubleWidth = 96;
LongDoubleAlign = 32;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:32:32";
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
IntPtrType = SignedInt;
RegParmMax = 3;
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
int getEHDataRegisterNumber(unsigned RegNo) const {
if (RegNo == 0) return 0;
if (RegNo == 1) return 2;
return -1;
}
};
} // end anonymous namespace
namespace {
class OpenBSDI386TargetInfo : public OpenBSDTargetInfo<X86_32TargetInfo> {
public:
OpenBSDI386TargetInfo(const std::string& triple) :
OpenBSDTargetInfo<X86_32TargetInfo>(triple) {
SizeType = UnsignedLong;
IntPtrType = SignedLong;
PtrDiffType = SignedLong;
}
};
} // end anonymous namespace
namespace {
class DarwinI386TargetInfo : public DarwinTargetInfo<X86_32TargetInfo> {
public:
DarwinI386TargetInfo(const std::string& triple) :
DarwinTargetInfo<X86_32TargetInfo>(triple) {
LongDoubleWidth = 128;
LongDoubleAlign = 128;
SizeType = UnsignedLong;
IntPtrType = SignedLong;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:128:128";
}
};
} // end anonymous namespace
namespace {
// x86-32 Windows target
class WindowsX86_32TargetInfo : public X86_32TargetInfo {
public:
WindowsX86_32TargetInfo(const std::string& triple)
: X86_32TargetInfo(triple) {
TLSSupported = false;
WCharType = UnsignedShort;
WCharWidth = WCharAlign = 16;
DoubleAlign = LongLongAlign = 64;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:32:32";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Opts, Defines);
// This list is based off of the the list of things MingW defines
Define(Defines, "_WIN32");
DefineStd(Defines, "WIN32", Opts);
DefineStd(Defines, "WINNT", Opts);
Define(Defines, "_X86_");
}
};
} // end anonymous namespace
namespace {
/// GetWindowsVisualStudioLanguageOptions - Set the default language options for Windows.
static void GetWindowsVisualStudioLanguageOptions(LangOptions &Opts) {
Opts.Microsoft = true;
}
// x86-32 Windows Visual Studio target
class VisualStudioWindowsX86_32TargetInfo : public WindowsX86_32TargetInfo {
public:
VisualStudioWindowsX86_32TargetInfo(const std::string& triple)
: WindowsX86_32TargetInfo(triple) {
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
WindowsX86_32TargetInfo::getTargetDefines(Opts, Defines);
// The value of the following reflects processor type.
// 300=386, 400=486, 500=Pentium, 600=Blend (default)
// We lost the original triple, so we use the default.
Define(Defines, "_M_IX86", "600");
}
virtual void getDefaultLangOptions(LangOptions &Opts) {
WindowsX86_32TargetInfo::getDefaultLangOptions(Opts);
GetWindowsVisualStudioLanguageOptions(Opts);
}
};
} // end anonymous namespace
namespace {
// x86-32 MinGW target
class MinGWX86_32TargetInfo : public WindowsX86_32TargetInfo {
public:
MinGWX86_32TargetInfo(const std::string& triple)
: WindowsX86_32TargetInfo(triple) {
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
WindowsX86_32TargetInfo::getTargetDefines(Opts, Defines);
Define(Defines, "__MSVCRT__");
Define(Defines, "__MINGW32__");
Define(Defines, "__declspec", "__declspec");
}
};
} // end anonymous namespace
namespace {
// x86-32 Cygwin target
class CygwinX86_32TargetInfo : public X86_32TargetInfo {
public:
CygwinX86_32TargetInfo(const std::string& triple)
: X86_32TargetInfo(triple) {
TLSSupported = false;
WCharType = UnsignedShort;
WCharWidth = WCharAlign = 16;
DoubleAlign = LongLongAlign = 64;
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
"a0:0:64-f80:32:32";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
X86_32TargetInfo::getTargetDefines(Opts, Defines);
Define(Defines, "__CYGWIN__");
Define(Defines, "__CYGWIN32__");
DefineStd(Defines, "unix", Opts);
}
};
} // end anonymous namespace
namespace {
// x86-64 generic target
class X86_64TargetInfo : public X86TargetInfo {
public:
X86_64TargetInfo(const std::string &triple) : X86TargetInfo(triple) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
LongDoubleWidth = 128;
LongDoubleAlign = 128;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
Int64Type = SignedLong;
RegParmMax = 6;
DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
"a0:0:64-s0:64:64-f80:128:128";
}
virtual const char *getVAListDeclaration() const {
return "typedef struct __va_list_tag {"
" unsigned gp_offset;"
" unsigned fp_offset;"
" void* overflow_arg_area;"
" void* reg_save_area;"
"} __va_list_tag;"
"typedef __va_list_tag __builtin_va_list[1];";
}
int getEHDataRegisterNumber(unsigned RegNo) const {
if (RegNo == 0) return 0;
if (RegNo == 1) return 1;
return -1;
}
};
} // end anonymous namespace
namespace {
// x86-64 Windows target
class WindowsX86_64TargetInfo : public X86_64TargetInfo {
public:
WindowsX86_64TargetInfo(const std::string& triple)
: X86_64TargetInfo(triple) {
TLSSupported = false;
WCharType = UnsignedShort;
WCharWidth = WCharAlign = 16;
LongWidth = LongAlign = 32;
DoubleAlign = LongLongAlign = 64;
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
X86_64TargetInfo::getTargetDefines(Opts, Defines);
Define(Defines, "_WIN64");
DefineStd(Defines, "WIN64", Opts);
}
};
} // end anonymous namespace
namespace {
// x86-64 Windows Visual Studio target
class VisualStudioWindowsX86_64TargetInfo : public WindowsX86_64TargetInfo {
public:
VisualStudioWindowsX86_64TargetInfo(const std::string& triple)
: WindowsX86_64TargetInfo(triple) {
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
WindowsX86_64TargetInfo::getTargetDefines(Opts, Defines);
Define(Defines, "_M_X64");
}
virtual const char *getVAListDeclaration() const {
return "typedef char* va_list;";
}
};
} // end anonymous namespace
namespace {
// x86-64 MinGW target
class MinGWX86_64TargetInfo : public WindowsX86_64TargetInfo {
public:
MinGWX86_64TargetInfo(const std::string& triple)
: WindowsX86_64TargetInfo(triple) {
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
WindowsX86_64TargetInfo::getTargetDefines(Opts, Defines);
Define(Defines, "__MSVCRT__");
Define(Defines, "__MINGW64__");
Define(Defines, "__declspec");
}
};
} // end anonymous namespace
namespace {
class DarwinX86_64TargetInfo : public DarwinTargetInfo<X86_64TargetInfo> {
public:
DarwinX86_64TargetInfo(const std::string& triple)
: DarwinTargetInfo<X86_64TargetInfo>(triple) {
Int64Type = SignedLongLong;
}
};
} // end anonymous namespace
namespace {
class OpenBSDX86_64TargetInfo : public OpenBSDTargetInfo<X86_64TargetInfo> {
public:
OpenBSDX86_64TargetInfo(const std::string& triple)
: OpenBSDTargetInfo<X86_64TargetInfo>(triple) {
IntMaxType = SignedLongLong;
UIntMaxType = UnsignedLongLong;
Int64Type = SignedLongLong;
}
};
} // end anonymous namespace
namespace {
class ARMTargetInfo : public TargetInfo {
enum {
Armv4t,
Armv5,
Armv6,
Armv7a,
XScale
} ArmArch;
static const TargetInfo::GCCRegAlias GCCRegAliases[];
static const char * const GCCRegNames[];
std::string ABI;
bool IsThumb;
public:
ARMTargetInfo(const std::string &TripleStr)
: TargetInfo(TripleStr), ABI("aapcs-linux"), IsThumb(false)
{
llvm::Triple Triple(TripleStr);
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
// FIXME: This shouldn't be done this way, we should use features to
// indicate the arch. See lib/Driver/Tools.cpp.
llvm::StringRef Version(""), Arch = Triple.getArchName();
if (Arch.startswith("arm"))
Version = Arch.substr(3);
else if (Arch.startswith("thumb"))
Version = Arch.substr(5);
if (Version == "v7")
ArmArch = Armv7a;
else if (Version.empty() || Version == "v6" || Version == "v6t2")
ArmArch = Armv6;
else if (Version == "v5")
ArmArch = Armv5;
else if (Version == "v4t")
ArmArch = Armv4t;
else if (Arch == "xscale" || Arch == "thumbv5e")
ArmArch = XScale;
else
ArmArch = Armv6;
if (Arch.startswith("thumb"))
IsThumb = true;
if (IsThumb) {
DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-"
"v64:64:64-v128:128:128-a0:0:32");
} else {
DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-"
"v64:64:64-v128:128:128-a0:0:64");
}
}
virtual const char *getABI() const { return ABI.c_str(); }
virtual bool setABI(const std::string &Name) {
ABI = Name;
// The defaults (above) are for AAPCS, check if we need to change them.
//
// FIXME: We need support for -meabi... we could just mangle it into the
// name.
if (Name == "apcs-gnu") {
DoubleAlign = LongLongAlign = 32;
SizeType = UnsignedLong;
if (IsThumb) {
DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
"i64:32:32-f32:32:32-f64:32:32-"
"v64:64:64-v128:128:128-a0:0:32");
} else {
DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:32-f32:32:32-f64:32:32-"
"v64:64:64-v128:128:128-a0:0:64");
}
// FIXME: Override "preferred align" for double and long long.
} else if (Name == "aapcs") {
// FIXME: Enumerated types are variable width in straight AAPCS.
} else if (Name == "aapcs-linux") {
;
} else
return false;
return true;
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defs) const {
// Target identification.
Define(Defs, "__arm");
Define(Defs, "__arm__");
// Target properties.
Define(Defs, "__LITTLE_ENDIAN__");
// Subtarget options.
//
// FIXME: Neither THUMB_INTERWORK nor SOFTFP is not being set correctly
// here.
if (ArmArch == Armv7a) {
Define(Defs, "__ARM_ARCH_7A__");
Define(Defs, "__THUMB_INTERWORK__");
} else if (ArmArch == Armv6) {
Define(Defs, "__ARM_ARCH_6K__");
Define(Defs, "__THUMB_INTERWORK__");
} else if (ArmArch == Armv5) {
Define(Defs, "__ARM_ARCH_5TEJ__");
Define(Defs, "__THUMB_INTERWORK__");
Define(Defs, "__SOFTFP__");
} else if (ArmArch == Armv4t) {
Define(Defs, "__ARM_ARCH_4T__");
Define(Defs, "__SOFTFP__");
} else if (ArmArch == XScale) {
Define(Defs, "__ARM_ARCH_5TE__");
Define(Defs, "__XSCALE__");
Define(Defs, "__SOFTFP__");
}
Define(Defs, "__ARMEL__");
if (IsThumb) {
Define(Defs, "__THUMBEL__");
Define(Defs, "__thumb__");
if (ArmArch == Armv7a)
Define(Defs, "__thumb2__");
}
// Note, this is always on in gcc, even though it doesn't make sense.
Define(Defs, "__APCS_32__");
// FIXME: This should be conditional on VFP instruction support.
Define(Defs, "__VFP_FP__");
Define(Defs, "__USING_SJLJ_EXCEPTIONS__");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement.
Records = 0;
NumRecords = 0;
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const;
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const {
// FIXME: Check if this is complete
switch (*Name) {
default:
case 'l': // r0-r7
case 'h': // r8-r15
case 'w': // VFP Floating point register single precision
case 'P': // VFP Floating point register double precision
Info.setAllowsRegister();
return true;
}
return false;
}
virtual const char *getClobbers() const {
// FIXME: Is this really right?
return "";
}
};
const char * const ARMTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
void ARMTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = {
{ { "a1" }, "r0" },
{ { "a2" }, "r1" },
{ { "a3" }, "r2" },
{ { "a4" }, "r3" },
{ { "v1" }, "r4" },
{ { "v2" }, "r5" },
{ { "v3" }, "r6" },
{ { "v4" }, "r7" },
{ { "v5" }, "r8" },
{ { "v6", "rfp" }, "r9" },
{ { "sl" }, "r10" },
{ { "fp" }, "r11" },
{ { "ip" }, "r12" },
{ { "sp" }, "r13" },
{ { "lr" }, "r14" },
{ { "pc" }, "r15" },
};
void ARMTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
} // end anonymous namespace.
namespace {
class DarwinARMTargetInfo :
public DarwinTargetInfo<ARMTargetInfo> {
protected:
virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
std::vector<char> &Defines) const {
getDarwinDefines(Defines, Opts);
getDarwinIPhoneOSDefines(Defines, Triple);
}
public:
DarwinARMTargetInfo(const std::string& triple)
: DarwinTargetInfo<ARMTargetInfo>(triple) {}
};
} // end anonymous namespace.
namespace {
class SparcV8TargetInfo : public TargetInfo {
static const TargetInfo::GCCRegAlias GCCRegAliases[];
static const char * const GCCRegNames[];
public:
SparcV8TargetInfo(const std::string& triple) : TargetInfo(triple) {
// FIXME: Support Sparc quad-precision long double?
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
DefineStd(Defines, "sparc", Opts);
Define(Defines, "__sparcv8");
Define(Defines, "__REGISTER_PREFIX__", "");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement!
}
virtual const char *getVAListDeclaration() const {
return "typedef void* __builtin_va_list;";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const;
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const {
// FIXME: Implement!
return false;
}
virtual const char *getClobbers() const {
// FIXME: Implement!
return "";
}
};
const char * const SparcV8TargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
};
void SparcV8TargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
const TargetInfo::GCCRegAlias SparcV8TargetInfo::GCCRegAliases[] = {
{ { "g0" }, "r0" },
{ { "g1" }, "r1" },
{ { "g2" }, "r2" },
{ { "g3" }, "r3" },
{ { "g4" }, "r4" },
{ { "g5" }, "r5" },
{ { "g6" }, "r6" },
{ { "g7" }, "r7" },
{ { "o0" }, "r8" },
{ { "o1" }, "r9" },
{ { "o2" }, "r10" },
{ { "o3" }, "r11" },
{ { "o4" }, "r12" },
{ { "o5" }, "r13" },
{ { "o6", "sp" }, "r14" },
{ { "o7" }, "r15" },
{ { "l0" }, "r16" },
{ { "l1" }, "r17" },
{ { "l2" }, "r18" },
{ { "l3" }, "r19" },
{ { "l4" }, "r20" },
{ { "l5" }, "r21" },
{ { "l6" }, "r22" },
{ { "l7" }, "r23" },
{ { "i0" }, "r24" },
{ { "i1" }, "r25" },
{ { "i2" }, "r26" },
{ { "i3" }, "r27" },
{ { "i4" }, "r28" },
{ { "i5" }, "r29" },
{ { "i6", "fp" }, "r30" },
{ { "i7" }, "r31" },
};
void SparcV8TargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
Aliases = GCCRegAliases;
NumAliases = llvm::array_lengthof(GCCRegAliases);
}
} // end anonymous namespace.
namespace {
class AuroraUXSparcV8TargetInfo : public AuroraUXTargetInfo<SparcV8TargetInfo> {
public:
AuroraUXSparcV8TargetInfo(const std::string& triple) :
AuroraUXTargetInfo<SparcV8TargetInfo>(triple) {
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
}
};
class SolarisSparcV8TargetInfo : public SolarisTargetInfo<SparcV8TargetInfo> {
public:
SolarisSparcV8TargetInfo(const std::string& triple) :
SolarisTargetInfo<SparcV8TargetInfo>(triple) {
SizeType = UnsignedInt;
PtrDiffType = SignedInt;
}
};
} // end anonymous namespace.
namespace {
class PIC16TargetInfo : public TargetInfo{
public:
PIC16TargetInfo(const std::string& triple) : TargetInfo(triple) {
TLSSupported = false;
IntWidth = 16;
LongWidth = LongLongWidth = 32;
IntMaxTWidth = 32;
PointerWidth = 16;
IntAlign = 8;
LongAlign = LongLongAlign = 8;
PointerAlign = 8;
SizeType = UnsignedInt;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
IntPtrType = SignedShort;
PtrDiffType = SignedInt;
FloatWidth = 32;
FloatAlign = 32;
DoubleWidth = 32;
DoubleAlign = 32;
LongDoubleWidth = 32;
LongDoubleAlign = 32;
FloatFormat = &llvm::APFloat::IEEEsingle;
DoubleFormat = &llvm::APFloat::IEEEsingle;
LongDoubleFormat = &llvm::APFloat::IEEEsingle;
DescriptionString = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8-f32:32:32";
}
virtual uint64_t getPointerWidthV(unsigned AddrSpace) const { return 16; }
virtual uint64_t getPointerAlignV(unsigned AddrSpace) const { return 8; }
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
Define(Defines, "__pic16");
Define(Defines, "rom", "__attribute__((address_space(1)))");
Define(Defines, "ram", "__attribute__((address_space(0)))");
Define(Defines, "_section(SectName)",
"__attribute__((section(SectName)))");
Define(Defines, "near",
"__attribute__((section(\"Address=NEAR\")))");
Define(Defines, "_address(Addr)",
"__attribute__((section(\"Address=\"#Addr)))");
Define(Defines, "_CONFIG(conf)", "asm(\"CONFIG \"#conf)");
Define(Defines, "_interrupt",
"__attribute__((section(\"interrupt=0x4\"))) \
__attribute__((used))");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {}
virtual const char *getVAListDeclaration() const {
return "";
}
virtual const char *getClobbers() const {
return "";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const {
return true;
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {}
virtual bool useGlobalsForAutomaticVariables() const {return true;}
};
}
namespace {
class MSP430TargetInfo : public TargetInfo {
static const char * const GCCRegNames[];
public:
MSP430TargetInfo(const std::string& triple) : TargetInfo(triple) {
TLSSupported = false;
IntWidth = 16;
LongWidth = LongLongWidth = 32;
IntMaxTWidth = 32;
PointerWidth = 16;
IntAlign = 8;
LongAlign = LongLongAlign = 8;
PointerAlign = 8;
SizeType = UnsignedInt;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
IntPtrType = SignedShort;
PtrDiffType = SignedInt;
DescriptionString = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
Define(Defines, "MSP430");
Define(Defines, "__MSP430__");
// FIXME: defines for different 'flavours' of MCU
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement.
Records = 0;
NumRecords = 0;
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
// No aliases.
Aliases = 0;
NumAliases = 0;
}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const {
// No target constraints for now.
return false;
}
virtual const char *getClobbers() const {
// FIXME: Is this really right?
return "";
}
virtual const char *getVAListDeclaration() const {
// FIXME: implement
return "typedef char* __builtin_va_list;";
}
};
const char * const MSP430TargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
void MSP430TargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
}
namespace {
class SystemZTargetInfo : public TargetInfo {
static const char * const GCCRegNames[];
public:
SystemZTargetInfo(const std::string& triple) : TargetInfo(triple) {
TLSSupported = false;
IntWidth = IntAlign = 32;
LongWidth = LongLongWidth = LongAlign = LongLongAlign = 64;
PointerWidth = PointerAlign = 64;
DescriptionString = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
Define(Defines, "__s390__");
Define(Defines, "__s390x__");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement.
Records = 0;
NumRecords = 0;
}
virtual void getDefaultLangOptions(LangOptions &Opts) {
TargetInfo::getDefaultLangOptions(Opts);
Opts.CharIsSigned = false;
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
// No aliases.
Aliases = 0;
NumAliases = 0;
}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const {
// FIXME: implement
return true;
}
virtual const char *getClobbers() const {
// FIXME: Is this really right?
return "";
}
virtual const char *getVAListDeclaration() const {
// FIXME: implement
return "typedef char* __builtin_va_list;";
}
};
const char * const SystemZTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
void SystemZTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
}
namespace {
class BlackfinTargetInfo : public TargetInfo {
static const char * const GCCRegNames[];
public:
BlackfinTargetInfo(const std::string& triple) : TargetInfo(triple) {
TLSSupported = false;
DoubleAlign = 32;
LongLongAlign = 32;
LongDoubleAlign = 32;
DescriptionString = "e-p:32:32-i64:32-f64:32";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
DefineStd(Defines, "bfin", Opts);
DefineStd(Defines, "BFIN", Opts);
Define(Defines, "__ADSPBLACKFIN__");
// FIXME: This one is really dependent on -mcpu
Define(Defines, "__ADSPLPBLACKFIN__");
// FIXME: Add cpu-dependent defines and __SILICON_REVISION__
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {
// FIXME: Implement.
Records = 0;
NumRecords = 0;
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {
// No aliases.
Aliases = 0;
NumAliases = 0;
}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const {
if (strchr("adzDWeABbvfcCtukxywZY", Name[0])) {
Info.setAllowsRegister();
return true;
}
return false;
}
virtual const char *getClobbers() const {
return "";
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
};
const char * const BlackfinTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"p0", "p1", "p2", "p3", "p4", "p5", "sp", "fp",
"i0", "i1", "i2", "i3", "b0", "b1", "b2", "b3",
"l0", "l1", "l2", "l3", "m0", "m1", "m2", "m3",
"a0", "a1", "cc",
"rets", "reti", "retx", "retn", "rete", "astat", "seqstat", "usp",
"argp", "lt0", "lt1", "lc0", "lc1", "lb0", "lb1"
};
void BlackfinTargetInfo::getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
Names = GCCRegNames;
NumNames = llvm::array_lengthof(GCCRegNames);
}
}
namespace {
// LLVM and Clang cannot be used directly to output native binaries for
// target, but is used to compile C code to llvm bitcode with correct
// type and alignment information.
//
// TCE uses the llvm bitcode as input and uses it for generating customized
// target processor and program binary. TCE co-design environment is
// publicly available in http://tce.cs.tut.fi
class TCETargetInfo : public TargetInfo{
public:
TCETargetInfo(const std::string& triple) : TargetInfo(triple) {
TLSSupported = false;
IntWidth = 32;
LongWidth = LongLongWidth = 32;
IntMaxTWidth = 32;
PointerWidth = 32;
IntAlign = 32;
LongAlign = LongLongAlign = 32;
PointerAlign = 32;
SizeType = UnsignedInt;
IntMaxType = SignedLong;
UIntMaxType = UnsignedLong;
IntPtrType = SignedInt;
PtrDiffType = SignedInt;
FloatWidth = 32;
FloatAlign = 32;
DoubleWidth = 32;
DoubleAlign = 32;
LongDoubleWidth = 32;
LongDoubleAlign = 32;
FloatFormat = &llvm::APFloat::IEEEsingle;
DoubleFormat = &llvm::APFloat::IEEEsingle;
LongDoubleFormat = &llvm::APFloat::IEEEsingle;
DescriptionString = "E-p:32:32:32-a0:32:32"
"-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64"
"-f32:32:32-f64:32:64";
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defines) const {
DefineStd(Defines, "tce", Opts);
Define(Defines, "__TCE__");
Define(Defines, "__TCE_V1__");
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
unsigned &NumRecords) const {}
virtual const char *getClobbers() const {
return "";
}
virtual const char *getVAListDeclaration() const {
return "typedef void* __builtin_va_list;";
}
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {}
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const {
return true;
}
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const {}
};
}
//===----------------------------------------------------------------------===//
// Driver code
//===----------------------------------------------------------------------===//
/// CreateTargetInfo - Return the target info object for the specified target
/// triple.
TargetInfo* TargetInfo::CreateTargetInfo(const std::string &T) {
llvm::Triple Triple(T);
llvm::Triple::OSType os = Triple.getOS();
switch (Triple.getArch()) {
default:
return NULL;
case llvm::Triple::arm:
case llvm::Triple::thumb:
switch (os) {
case llvm::Triple::Darwin:
return new DarwinARMTargetInfo(T);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<ARMTargetInfo>(T);
default:
return new ARMTargetInfo(T);
}
case llvm::Triple::bfin:
return new BlackfinTargetInfo(T);
case llvm::Triple::msp430:
return new MSP430TargetInfo(T);
case llvm::Triple::pic16:
return new PIC16TargetInfo(T);
case llvm::Triple::ppc:
if (os == llvm::Triple::Darwin)
return new DarwinTargetInfo<PPCTargetInfo>(T);
return new PPC32TargetInfo(T);
case llvm::Triple::ppc64:
if (os == llvm::Triple::Darwin)
return new DarwinTargetInfo<PPC64TargetInfo>(T);
return new PPC64TargetInfo(T);
case llvm::Triple::sparc:
if (os == llvm::Triple::AuroraUX)
return new AuroraUXSparcV8TargetInfo(T);
if (os == llvm::Triple::Solaris)
return new SolarisSparcV8TargetInfo(T);
return new SparcV8TargetInfo(T);
case llvm::Triple::systemz:
return new SystemZTargetInfo(T);
case llvm::Triple::tce:
return new TCETargetInfo(T);
case llvm::Triple::x86:
switch (os) {
case llvm::Triple::AuroraUX:
return new AuroraUXTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::Darwin:
return new DarwinI386TargetInfo(T);
case llvm::Triple::Linux:
return new LinuxTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::DragonFly:
return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::OpenBSD:
return new OpenBSDI386TargetInfo(T);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<X86_32TargetInfo>(T);
case llvm::Triple::Cygwin:
return new CygwinX86_32TargetInfo(T);
case llvm::Triple::MinGW32:
return new MinGWX86_32TargetInfo(T);
case llvm::Triple::Win32:
return new VisualStudioWindowsX86_32TargetInfo(T);
default:
return new X86_32TargetInfo(T);
}
case llvm::Triple::x86_64:
switch (os) {
case llvm::Triple::AuroraUX:
return new AuroraUXTargetInfo<X86_64TargetInfo>(T);
case llvm::Triple::Darwin:
return new DarwinX86_64TargetInfo(T);
case llvm::Triple::Linux:
return new LinuxTargetInfo<X86_64TargetInfo>(T);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<X86_64TargetInfo>(T);
case llvm::Triple::OpenBSD:
return new OpenBSDX86_64TargetInfo(T);
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<X86_64TargetInfo>(T);
case llvm::Triple::Solaris:
return new SolarisTargetInfo<X86_64TargetInfo>(T);
case llvm::Triple::MinGW64:
return new MinGWX86_64TargetInfo(T);
case llvm::Triple::Win32: // This is what Triple.h supports now.
return new VisualStudioWindowsX86_64TargetInfo(T);
default:
return new X86_64TargetInfo(T);
}
}
}
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