mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-22 10:29:35 +00:00
Remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120891 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
parent
5d4918dbd1
commit
7f76218720
@ -8,11 +8,11 @@
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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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// 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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// Each NEON instruction is implemented in terms of 1 or more functions which
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// are suffixed with the element type of the input vectors. Functions may be
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// are suffixed with the element type of the input vectors. Functions may be
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// implemented in terms of generic vector operations such as +, *, -, etc. or
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// by calling a __builtin_-prefixed function which will be handled by clang's
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// CodeGen library.
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@ -38,11 +38,11 @@ static void ParseTypes(Record *r, std::string &s,
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SmallVectorImpl<StringRef> &TV) {
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const char *data = s.data();
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int len = 0;
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for (unsigned i = 0, e = s.size(); i != e; ++i, ++len) {
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if (data[len] == 'P' || data[len] == 'Q' || data[len] == 'U')
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continue;
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switch (data[len]) {
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case 'c':
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case 's':
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@ -98,25 +98,25 @@ static char Narrow(const char t) {
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/// the quad-vector, polynomial, or unsigned modifiers set.
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static char ClassifyType(StringRef ty, bool &quad, bool &poly, bool &usgn) {
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unsigned off = 0;
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// remember quad.
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if (ty[off] == 'Q') {
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quad = true;
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++off;
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}
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// remember poly.
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if (ty[off] == 'P') {
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poly = true;
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++off;
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}
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// remember unsigned.
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if (ty[off] == 'U') {
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usgn = true;
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++off;
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}
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// base type to get the type string for.
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return ty[off];
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}
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@ -206,23 +206,23 @@ static std::string TypeString(const char mod, StringRef typestr) {
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bool scal = false;
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bool cnst = false;
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bool pntr = false;
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if (mod == 'v')
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return "void";
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if (mod == 'i')
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return "int";
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// base type to get the type string for.
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char type = ClassifyType(typestr, quad, poly, usgn);
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// Based on the modifying character, change the type and width if necessary.
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type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
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SmallString<128> s;
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if (usgn)
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s.push_back('u');
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switch (type) {
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case 'c':
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s += poly ? "poly8" : "int8";
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@ -271,16 +271,16 @@ static std::string TypeString(const char mod, StringRef typestr) {
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s += "x3";
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if (mod == '4')
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s += "x4";
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// Append _t, finishing the type string typedef type.
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s += "_t";
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if (cnst)
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s += " const";
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if (pntr)
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s += " *";
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return s.str();
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}
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@ -295,15 +295,15 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
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bool scal = false;
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bool cnst = false;
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bool pntr = false;
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if (mod == 'v')
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return "v"; // void
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if (mod == 'i')
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return "i"; // int
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// base type to get the type string for.
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char type = ClassifyType(typestr, quad, poly, usgn);
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// Based on the modifying character, change the type and width if necessary.
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type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
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@ -327,12 +327,12 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
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s.push_back('U');
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else if (type == 'c')
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s.push_back('S'); // make chars explicitly signed
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if (type == 'l') // 64-bit long
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s += "LLi";
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else
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s.push_back(type);
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if (cnst)
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s.push_back('C');
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if (pntr)
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@ -355,9 +355,9 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
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return quad ? "V4i" : "V2i";
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if (ck != ClassB && type == 'l')
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return quad ? "V2LLi" : "V1LLi";
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return quad ? "V16Sc" : "V8Sc";
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}
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}
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// Non-return array types are passed as individual vectors.
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if (mod == '2')
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@ -375,25 +375,25 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
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return quad ? "V4i" : "V2i";
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if (ck != ClassB && type == 'l')
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return quad ? "V2LLi" : "V1LLi";
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return quad ? "V16Sc" : "V8Sc";
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}
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/// MangleName - Append a type or width suffix to a base neon function name,
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/// MangleName - Append a type or width suffix to a base neon function name,
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/// and insert a 'q' in the appropriate location if the operation works on
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/// 128b rather than 64b. E.g. turn "vst2_lane" into "vst2q_lane_f32", etc.
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static std::string MangleName(const std::string &name, StringRef typestr,
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ClassKind ck) {
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if (name == "vcvt_f32_f16")
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return name;
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bool quad = false;
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bool poly = false;
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bool usgn = false;
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char type = ClassifyType(typestr, quad, poly, usgn);
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std::string s = name;
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switch (type) {
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case 'c':
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switch (ck) {
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@ -449,8 +449,8 @@ static std::string MangleName(const std::string &name, StringRef typestr,
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}
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if (ck == ClassB)
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s += "_v";
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// Insert a 'q' before the first '_' character so that it ends up before
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// Insert a 'q' before the first '_' character so that it ends up before
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// _lane or _n on vector-scalar operations.
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if (quad) {
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size_t pos = s.find('_');
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@ -463,10 +463,10 @@ static std::string MangleName(const std::string &name, StringRef typestr,
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static std::string GenArgs(const std::string &proto, StringRef typestr) {
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bool define = proto.find('i') != std::string::npos;
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char arg = 'a';
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std::string s;
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s += "(";
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for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
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if (define) {
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// Immediate macro arguments are used directly instead of being assigned
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@ -481,7 +481,7 @@ static std::string GenArgs(const std::string &proto, StringRef typestr) {
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if ((i + 1) < e)
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s += ", ";
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}
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s += ")";
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return s;
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}
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@ -491,7 +491,7 @@ static std::string GenArgs(const std::string &proto, StringRef typestr) {
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static std::string GenMacroLocals(const std::string &proto, StringRef typestr) {
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char arg = 'a';
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std::string s;
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for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
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// Do not create a temporary for an immediate argument.
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// That would defeat the whole point of using a macro!
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@ -503,15 +503,15 @@ static std::string GenMacroLocals(const std::string &proto, StringRef typestr) {
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s.push_back(arg);
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s += "); ";
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}
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s += "\\\n ";
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return s;
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}
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static std::string Duplicate(unsigned nElts, StringRef typestr,
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static std::string Duplicate(unsigned nElts, StringRef typestr,
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const std::string &a) {
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std::string s;
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s = "(" + TypeString('d', typestr) + "){ ";
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for (unsigned i = 0; i != nElts; ++i) {
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s += a;
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@ -519,7 +519,7 @@ static std::string Duplicate(unsigned nElts, StringRef typestr,
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s += ", ";
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}
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s += " }";
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return s;
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}
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@ -557,7 +557,7 @@ static std::string GenOpString(OpKind op, const std::string &proto,
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StringRef typestr) {
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bool quad;
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unsigned nElts = GetNumElements(typestr, quad);
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// If this builtin takes an immediate argument, we need to #define it rather
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// than use a standard declaration, so that SemaChecking can range check
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// the immediate passed by the user.
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@ -570,7 +570,7 @@ static std::string GenOpString(OpKind op, const std::string &proto,
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} else if (!define) {
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s = "return ";
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}
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switch(op) {
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case OpAdd:
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s += "__a + __b;";
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@ -714,10 +714,10 @@ static unsigned GetNeonEnum(const std::string &proto, StringRef typestr) {
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bool scal = false;
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bool cnst = false;
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bool pntr = false;
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// Base type to get the type string for.
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char type = ClassifyType(typestr, quad, poly, usgn);
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// Based on the modifying character, change the type and width if necessary.
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type = ModType(mod, type, quad, poly, usgn, scal, cnst, pntr);
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@ -725,9 +725,9 @@ static unsigned GetNeonEnum(const std::string &proto, StringRef typestr) {
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ret |= 0x08;
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if (quad && proto[1] != 'g')
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ret |= 0x10;
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switch (type) {
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case 'c':
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case 'c':
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ret |= poly ? 5 : 0;
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break;
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case 's':
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@ -774,7 +774,7 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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if (proto[0] != 'v') {
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std::string ts = TypeString(proto[0], typestr);
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if (define) {
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if (sret)
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s += ts + " r; ";
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@ -786,9 +786,9 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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s += "return (" + ts + ")";
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}
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}
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bool splat = proto.find('a') != std::string::npos;
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s += "__builtin_neon_";
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if (splat) {
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// Call the non-splat builtin: chop off the "_n" suffix from the name.
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@ -803,7 +803,7 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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// builtins.
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if (sret)
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s += "&r, ";
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char arg = 'a';
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for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) {
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std::string args = std::string(&arg, 1);
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@ -837,7 +837,7 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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continue;
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}
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if (splat && (i + 1) == e)
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args = Duplicate(GetNumElements(typestr, argQuad), typestr, args);
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@ -851,16 +851,16 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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argTypeStr = "Q" + argTypeStr;
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args = "(" + TypeString('d', argTypeStr) + ")" + args;
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}
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s += args;
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if ((i + 1) < e)
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s += ", ";
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}
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// Extra constant integer to hold type class enum for this function, e.g. s8
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if (ck == ClassB)
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s += ", " + utostr(GetNeonEnum(proto, typestr));
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s += ");";
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if (proto[0] != 'v' && sret) {
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@ -872,27 +872,27 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
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return s;
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}
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static std::string GenBuiltinDef(const std::string &name,
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static std::string GenBuiltinDef(const std::string &name,
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const std::string &proto,
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StringRef typestr, ClassKind ck) {
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std::string s("BUILTIN(__builtin_neon_");
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// If all types are the same size, bitcasting the args will take care
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// If all types are the same size, bitcasting the args will take care
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// of arg checking. The actual signedness etc. will be taken care of with
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// special enums.
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if (proto.find('s') == std::string::npos)
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ck = ClassB;
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s += MangleName(name, typestr, ck);
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s += ", \"";
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for (unsigned i = 0, e = proto.size(); i != e; ++i)
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s += BuiltinTypeString(proto[i], typestr, ck, i == 0);
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// Extra constant integer to hold type class enum for this function, e.g. s8
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if (ck == ClassB)
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s += "i";
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s += "\", \"n\")";
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return s;
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}
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@ -901,12 +901,12 @@ static std::string GenBuiltinDef(const std::string &name,
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/// is comprised of type definitions and function declarations.
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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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@ -932,12 +932,12 @@ void NeonEmitter::run(raw_ostream &OS) {
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OS << "typedef __attribute__((neon_polyvector_type(";
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else
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OS << "typedef __attribute__((neon_vector_type(";
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unsigned nElts = GetNumElements(TDTypeVec[i], quad);
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OS << utostr(nElts) << "))) ";
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if (nElts < 10)
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OS << " ";
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OS << TypeString('s', TDTypeVec[i]);
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OS << " " << TypeString('d', TDTypeVec[i]) << ";\n";
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}
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@ -960,40 +960,40 @@ void NeonEmitter::run(raw_ostream &OS) {
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OS << vs << ";\n\n";
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}
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}
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OS << "#define __ai static __attribute__((__always_inline__))\n\n";
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std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
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// Unique the return+pattern types, and assign them.
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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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std::string name = R->getValueAsString("Name");
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std::string Proto = R->getValueAsString("Prototype");
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std::string Types = R->getValueAsString("Types");
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SmallVector<StringRef, 16> TypeVec;
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ParseTypes(R, Types, TypeVec);
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|
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OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
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bool define = Proto.find('i') != std::string::npos;
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for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
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assert(!Proto.empty() && "");
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// static always inline + return type
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if (define)
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OS << "#define";
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else
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OS << "__ai " << TypeString(Proto[0], TypeVec[ti]);
|
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|
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// Function name with type suffix
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OS << " " << MangleName(name, TypeVec[ti], ClassS);
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// Function arguments
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OS << GenArgs(Proto, TypeVec[ti]);
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|
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|
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// Definition.
|
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if (define) {
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OS << " __extension__ ({ \\\n ";
|
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@ -1001,13 +1001,13 @@ void NeonEmitter::run(raw_ostream &OS) {
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} else {
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OS << " { \\\n ";
|
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}
|
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|
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|
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if (k != OpNone) {
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OS << GenOpString(k, Proto, TypeVec[ti]);
|
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} else {
|
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if (R->getSuperClasses().size() < 2)
|
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throw TGError(R->getLoc(), "Builtin has no class kind");
|
||||
|
||||
|
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ClassKind ck = ClassMap[R->getSuperClasses()[1]];
|
||||
|
||||
if (ck == ClassNone)
|
||||
@ -1030,7 +1030,7 @@ static unsigned RangeFromType(StringRef typestr) {
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// base type to get the type string for.
|
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bool quad = false, dummy = false;
|
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char type = ClassifyType(typestr, quad, dummy, dummy);
|
||||
|
||||
|
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switch (type) {
|
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case 'c':
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return (8 << (int)quad) - 1;
|
||||
@ -1058,7 +1058,7 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
|
||||
|
||||
StringMap<OpKind> EmittedMap;
|
||||
|
||||
|
||||
// Generate BuiltinsARM.def for NEON
|
||||
OS << "#ifdef GET_NEON_BUILTINS\n";
|
||||
for (unsigned i = 0, e = RV.size(); i != e; ++i) {
|
||||
@ -1068,22 +1068,22 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
continue;
|
||||
|
||||
std::string Proto = R->getValueAsString("Prototype");
|
||||
|
||||
|
||||
// Functions with 'a' (the splat code) in the type prototype should not get
|
||||
// their own builtin as they use the non-splat variant.
|
||||
if (Proto.find('a') != std::string::npos)
|
||||
continue;
|
||||
|
||||
|
||||
std::string Types = R->getValueAsString("Types");
|
||||
SmallVector<StringRef, 16> TypeVec;
|
||||
ParseTypes(R, Types, TypeVec);
|
||||
|
||||
|
||||
if (R->getSuperClasses().size() < 2)
|
||||
throw TGError(R->getLoc(), "Builtin has no class kind");
|
||||
|
||||
|
||||
std::string name = R->getValueAsString("Name");
|
||||
ClassKind ck = ClassMap[R->getSuperClasses()[1]];
|
||||
|
||||
|
||||
for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
|
||||
// Generate the BuiltinsARM.def declaration for this builtin, ensuring
|
||||
// that each unique BUILTIN() macro appears only once in the output
|
||||
@ -1091,13 +1091,13 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
std::string bd = GenBuiltinDef(name, Proto, TypeVec[ti], ck);
|
||||
if (EmittedMap.count(bd))
|
||||
continue;
|
||||
|
||||
|
||||
EmittedMap[bd] = OpNone;
|
||||
OS << bd << "\n";
|
||||
}
|
||||
}
|
||||
OS << "#endif\n\n";
|
||||
|
||||
|
||||
// Generate the overloaded type checking code for SemaChecking.cpp
|
||||
OS << "#ifdef GET_NEON_OVERLOAD_CHECK\n";
|
||||
for (unsigned i = 0, e = RV.size(); i != e; ++i) {
|
||||
@ -1105,34 +1105,34 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
|
||||
if (k != OpNone)
|
||||
continue;
|
||||
|
||||
|
||||
std::string Proto = R->getValueAsString("Prototype");
|
||||
std::string Types = R->getValueAsString("Types");
|
||||
std::string name = R->getValueAsString("Name");
|
||||
|
||||
|
||||
// Functions with 'a' (the splat code) in the type prototype should not get
|
||||
// their own builtin as they use the non-splat variant.
|
||||
if (Proto.find('a') != std::string::npos)
|
||||
continue;
|
||||
|
||||
|
||||
// Functions which have a scalar argument cannot be overloaded, no need to
|
||||
// check them if we are emitting the type checking code.
|
||||
if (Proto.find('s') != std::string::npos)
|
||||
continue;
|
||||
|
||||
|
||||
SmallVector<StringRef, 16> TypeVec;
|
||||
ParseTypes(R, Types, TypeVec);
|
||||
|
||||
|
||||
if (R->getSuperClasses().size() < 2)
|
||||
throw TGError(R->getLoc(), "Builtin has no class kind");
|
||||
|
||||
|
||||
int si = -1, qi = -1;
|
||||
unsigned mask = 0, qmask = 0;
|
||||
for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
|
||||
// Generate the switch case(s) for this builtin for the type validation.
|
||||
bool quad = false, poly = false, usgn = false;
|
||||
(void) ClassifyType(TypeVec[ti], quad, poly, usgn);
|
||||
|
||||
|
||||
if (quad) {
|
||||
qi = ti;
|
||||
qmask |= 1 << GetNeonEnum(Proto, TypeVec[ti]);
|
||||
@ -1142,57 +1142,57 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
}
|
||||
}
|
||||
if (mask)
|
||||
OS << "case ARM::BI__builtin_neon_"
|
||||
OS << "case ARM::BI__builtin_neon_"
|
||||
<< MangleName(name, TypeVec[si], ClassB)
|
||||
<< ": mask = " << "0x" << utohexstr(mask) << "; break;\n";
|
||||
if (qmask)
|
||||
OS << "case ARM::BI__builtin_neon_"
|
||||
OS << "case ARM::BI__builtin_neon_"
|
||||
<< MangleName(name, TypeVec[qi], ClassB)
|
||||
<< ": mask = " << "0x" << utohexstr(qmask) << "; break;\n";
|
||||
}
|
||||
OS << "#endif\n\n";
|
||||
|
||||
|
||||
// Generate the intrinsic range checking code for shift/lane immediates.
|
||||
OS << "#ifdef GET_NEON_IMMEDIATE_CHECK\n";
|
||||
for (unsigned i = 0, e = RV.size(); i != e; ++i) {
|
||||
Record *R = RV[i];
|
||||
|
||||
|
||||
OpKind k = OpMap[R->getValueAsDef("Operand")->getName()];
|
||||
if (k != OpNone)
|
||||
continue;
|
||||
|
||||
|
||||
std::string name = R->getValueAsString("Name");
|
||||
std::string Proto = R->getValueAsString("Prototype");
|
||||
std::string Types = R->getValueAsString("Types");
|
||||
|
||||
|
||||
// Functions with 'a' (the splat code) in the type prototype should not get
|
||||
// their own builtin as they use the non-splat variant.
|
||||
if (Proto.find('a') != std::string::npos)
|
||||
continue;
|
||||
|
||||
|
||||
// Functions which do not have an immediate do not need to have range
|
||||
// checking code emitted.
|
||||
if (Proto.find('i') == std::string::npos)
|
||||
continue;
|
||||
|
||||
|
||||
SmallVector<StringRef, 16> TypeVec;
|
||||
ParseTypes(R, Types, TypeVec);
|
||||
|
||||
|
||||
if (R->getSuperClasses().size() < 2)
|
||||
throw TGError(R->getLoc(), "Builtin has no class kind");
|
||||
|
||||
|
||||
ClassKind ck = ClassMap[R->getSuperClasses()[1]];
|
||||
|
||||
|
||||
for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
|
||||
std::string namestr, shiftstr, rangestr;
|
||||
|
||||
|
||||
// Builtins which are overloaded by type will need to have their upper
|
||||
// bound computed at Sema time based on the type constant.
|
||||
if (Proto.find('s') == std::string::npos) {
|
||||
ck = ClassB;
|
||||
if (R->getValueAsBit("isShift")) {
|
||||
shiftstr = ", true";
|
||||
|
||||
|
||||
// Right shifts have an 'r' in the name, left shifts do not.
|
||||
if (name.find('r') != std::string::npos)
|
||||
rangestr = "l = 1; ";
|
||||
@ -1209,13 +1209,13 @@ void NeonEmitter::runHeader(raw_ostream &OS) {
|
||||
|
||||
// Calculate the index of the immediate that should be range checked.
|
||||
unsigned immidx = 0;
|
||||
|
||||
|
||||
// Builtins that return a struct of multiple vectors have an extra
|
||||
// leading arg for the struct return.
|
||||
if (Proto[0] >= '2' && Proto[0] <= '4')
|
||||
++immidx;
|
||||
|
||||
// Add one to the index for each argument until we reach the immediate
|
||||
|
||||
// Add one to the index for each argument until we reach the immediate
|
||||
// to be checked. Structs of vectors are passed as multiple arguments.
|
||||
for (unsigned ii = 1, ie = Proto.size(); ii != ie; ++ii) {
|
||||
switch (Proto[ii]) {
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// This tablegen backend is responsible for emitting arm_neon.h, which includes
|
||||
// a declaration and definition of each function specified by the ARM NEON
|
||||
// a declaration and definition of each function specified by the ARM NEON
|
||||
// compiler interface. See ARM document DUI0348B.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
@ -66,12 +66,12 @@ enum ClassKind {
|
||||
};
|
||||
|
||||
namespace llvm {
|
||||
|
||||
|
||||
class NeonEmitter : public TableGenBackend {
|
||||
RecordKeeper &Records;
|
||||
StringMap<OpKind> OpMap;
|
||||
DenseMap<Record*, ClassKind> ClassMap;
|
||||
|
||||
|
||||
public:
|
||||
NeonEmitter(RecordKeeper &R) : Records(R) {
|
||||
OpMap["OP_NONE"] = OpNone;
|
||||
@ -115,14 +115,14 @@ namespace llvm {
|
||||
ClassMap[II] = ClassI;
|
||||
ClassMap[WI] = ClassW;
|
||||
}
|
||||
|
||||
|
||||
// run - Emit arm_neon.h.inc
|
||||
void run(raw_ostream &o);
|
||||
|
||||
// runHeader - Emit all the __builtin prototypes used in arm_neon.h
|
||||
void runHeader(raw_ostream &o);
|
||||
};
|
||||
|
||||
|
||||
} // End llvm namespace
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user