Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 3531782..1f52019 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2774,7 +2774,6 @@
};
} // end anonymous namespace.
-
namespace {
class DarwinARMTargetInfo :
public DarwinTargetInfo<ARMTargetInfo> {
@@ -2795,6 +2794,137 @@
};
} // end anonymous namespace.
+
+namespace {
+// Hexagon abstract base class
+class HexagonTargetInfo : public TargetInfo {
+ static const Builtin::Info BuiltinInfo[];
+ static const char * const GCCRegNames[];
+ static const TargetInfo::GCCRegAlias GCCRegAliases[];
+ std::string CPU;
+public:
+ HexagonTargetInfo(const std::string& triple) : TargetInfo(triple) {
+ DescriptionString = ("e-p:32:32:32-"
+ "i64:64:64-i32:32:32-"
+ "i16:16:16-i1:32:32-a:0:0");
+
+ // {} in inline assembly are packet specifiers, not assembly variant
+ // specifiers.
+ NoAsmVariants = true;
+ }
+
+ virtual void getTargetBuiltins(const Builtin::Info *&Records,
+ unsigned &NumRecords) const {
+ Records = BuiltinInfo;
+ NumRecords = clang::Hexagon::LastTSBuiltin-Builtin::FirstTSBuiltin;
+ }
+
+ virtual bool validateAsmConstraint(const char *&Name,
+ TargetInfo::ConstraintInfo &Info) const {
+ return true;
+ }
+
+ virtual void getTargetDefines(const LangOptions &Opts,
+ MacroBuilder &Builder) const;
+
+ 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 const char *getClobbers() const {
+ return "";
+ }
+ virtual bool setCPU(const std::string &Name) {
+ CPU = Name;
+ return true;
+ }
+};
+
+void HexagonTargetInfo::getTargetDefines(const LangOptions &Opts,
+ MacroBuilder &Builder) const {
+ Builder.defineMacro("qdsp6");
+ Builder.defineMacro("__qdsp6", "1");
+ Builder.defineMacro("__qdsp6__", "1");
+
+ Builder.defineMacro("hexagon");
+ Builder.defineMacro("__hexagon", "1");
+ Builder.defineMacro("__hexagon__", "1");
+
+ if(CPU == "hexagonv1") {
+ Builder.defineMacro("__HEXAGON_V1__");
+ Builder.defineMacro("__HEXAGON_ARCH__", "1");
+ if(Opts.HexagonQdsp6Compat) {
+ Builder.defineMacro("__QDSP6_V1__");
+ Builder.defineMacro("__QDSP6_ARCH__", "1");
+ }
+ }
+ else if(CPU == "hexagonv2") {
+ Builder.defineMacro("__HEXAGON_V2__");
+ Builder.defineMacro("__HEXAGON_ARCH__", "2");
+ if(Opts.HexagonQdsp6Compat) {
+ Builder.defineMacro("__QDSP6_V2__");
+ Builder.defineMacro("__QDSP6_ARCH__", "2");
+ }
+ }
+ else if(CPU == "hexagonv3") {
+ Builder.defineMacro("__HEXAGON_V3__");
+ Builder.defineMacro("__HEXAGON_ARCH__", "3");
+ if(Opts.HexagonQdsp6Compat) {
+ Builder.defineMacro("__QDSP6_V3__");
+ Builder.defineMacro("__QDSP6_ARCH__", "3");
+ }
+ }
+ else if(CPU == "hexagonv4") {
+ Builder.defineMacro("__HEXAGON_V4__");
+ Builder.defineMacro("__HEXAGON_ARCH__", "4");
+ if(Opts.HexagonQdsp6Compat) {
+ Builder.defineMacro("__QDSP6_V4__");
+ Builder.defineMacro("__QDSP6_ARCH__", "4");
+ }
+ }
+}
+
+const char * const HexagonTargetInfo::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",
+ "p0", "p1", "p2", "p3",
+ "sa0", "lc0", "sa1", "lc1", "m0", "m1", "usr", "ugp"
+};
+
+void HexagonTargetInfo::getGCCRegNames(const char * const *&Names,
+ unsigned &NumNames) const {
+ Names = GCCRegNames;
+ NumNames = llvm::array_lengthof(GCCRegNames);
+}
+
+
+const TargetInfo::GCCRegAlias HexagonTargetInfo::GCCRegAliases[] = {
+ { { "sp" }, "r29" },
+ { { "fp" }, "r30" },
+ { { "lr" }, "r31" },
+ };
+
+void HexagonTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
+ unsigned &NumAliases) const {
+ Aliases = GCCRegAliases;
+ NumAliases = llvm::array_lengthof(GCCRegAliases);
+}
+
+
+const Builtin::Info HexagonTargetInfo::BuiltinInfo[] = {
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
+ ALL_LANGUAGES },
+#include "clang/Basic/BuiltinsHexagon.def"
+};
+}
+
+
namespace {
class SparcV8TargetInfo : public TargetInfo {
static const TargetInfo::GCCRegAlias GCCRegAliases[];
@@ -3459,6 +3589,9 @@
default:
return NULL;
+ case llvm::Triple::hexagon:
+ return new HexagonTargetInfo(T);
+
case llvm::Triple::arm:
case llvm::Triple::thumb:
if (Triple.isOSDarwin())