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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
Tidy up some things in <arm_neon.h>.
Stop defining types with "__neon_" prefixes and then using typedefs without the prefix; there's no reason to do that anymore. Remove types that combine multiple Neon vectors and treat them as a single long vector; they are not used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119369 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
parent
f18dfec0f7
commit
6904d7af1c
@ -189,10 +189,8 @@ static char ModType(const char mod, char type, bool &quad, bool &poly,
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}
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/// TypeString - for a modifier and type, generate the name of the typedef for
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/// that type. If generic is true, emit the generic vector type rather than
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/// the public NEON type. QUc -> uint8x8_t / __neon_uint8x8_t.
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static std::string TypeString(const char mod, StringRef typestr,
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bool generic = false) {
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/// that type. QUc -> uint8x8_t.
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static std::string TypeString(const char mod, StringRef typestr) {
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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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@ -213,9 +211,6 @@ static std::string TypeString(const char mod, StringRef typestr,
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SmallString<128> s;
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if (generic)
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s += "__neon_";
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if (usgn)
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s.push_back('u');
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@ -371,52 +366,6 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
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return quad ? "V16c" : "V8c";
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}
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/// StructTag - generate the name of the struct tag for a type.
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/// These names are mandated by ARM's ABI.
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static std::string StructTag(StringRef typestr) {
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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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// base type to get the type string for.
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char type = ClassifyType(typestr, quad, poly, usgn);
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SmallString<128> s;
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s += "__simd";
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s += quad ? "128_" : "64_";
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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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break;
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case 's':
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s += poly ? "poly16" : "int16";
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break;
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case 'i':
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s += "int32";
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break;
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case 'l':
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s += "int64";
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break;
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case 'h':
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s += "float16";
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break;
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case 'f':
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s += "float32";
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break;
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default:
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throw "unhandled type!";
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break;
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}
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// Append _t, finishing the struct tag name.
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s += "_t";
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return s.str();
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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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/// 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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@ -523,7 +472,7 @@ 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 = "(__neon_" + TypeString('d', typestr) + "){ ";
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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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if ((i + 1) < nElts)
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@ -585,19 +534,19 @@ static std::string GenOpString(OpKind op, const std::string &proto,
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s += "a - (b * c)";
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break;
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case OpEq:
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s += "(__neon_" + ts + ")(a == b)";
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s += "(" + ts + ")(a == b)";
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break;
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case OpGe:
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s += "(__neon_" + ts + ")(a >= b)";
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s += "(" + ts + ")(a >= b)";
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break;
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case OpLe:
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s += "(__neon_" + ts + ")(a <= b)";
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s += "(" + ts + ")(a <= b)";
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break;
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case OpGt:
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s += "(__neon_" + ts + ")(a > b)";
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s += "(" + ts + ")(a > b)";
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break;
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case OpLt:
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s += "(__neon_" + ts + ")(a < b)";
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s += "(" + ts + ")(a < b)";
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break;
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case OpNeg:
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s += " -a";
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@ -621,17 +570,17 @@ static std::string GenOpString(OpKind op, const std::string &proto,
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s += "a | ~b";
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break;
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case OpCast:
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s += "(__neon_" + ts + ")a";
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s += "(" + ts + ")a";
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break;
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case OpConcat:
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s += "__builtin_shufflevector((__neon_int64x1_t)a";
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s += ", (__neon_int64x1_t)b, 0, 1)";
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s += "__builtin_shufflevector((int64x1_t)a";
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s += ", (int64x1_t)b, 0, 1)";
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break;
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case OpHi:
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s += "(((__neon_float64x2_t)a)[1])";
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s += "(((float64x2_t)a)[1])";
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break;
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case OpLo:
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s += "(((__neon_float64x2_t)a)[0])";
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s += "(((float64x2_t)a)[0])";
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break;
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case OpDup:
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s += Duplicate(nElts << (int)quad, typestr, "a");
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@ -639,8 +588,8 @@ static std::string GenOpString(OpKind op, const std::string &proto,
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case OpSelect:
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// ((0 & 1) | (~0 & 2))
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ts = TypeString(proto[1], typestr);
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s += "(a & (__neon_" + ts + ")b) | ";
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s += "(~a & (__neon_" + ts + ")c)";
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s += "(a & (" + ts + ")b) | ";
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s += "(~a & (" + ts + ")c)";
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break;
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case OpRev16:
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s += "__builtin_shufflevector(a, a";
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@ -891,44 +840,34 @@ void NeonEmitter::run(raw_ostream &OS) {
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ParseTypes(0, TypedefTypes, TDTypeVec);
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// Emit vector typedefs.
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for (unsigned v = 1; v != 5; ++v) {
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for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
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bool dummy, quad = false;
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(void) ClassifyType(TDTypeVec[i], quad, dummy, dummy);
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OS << "typedef __attribute__(( __vector_size__(";
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for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
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bool dummy, quad = false;
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(void) ClassifyType(TDTypeVec[i], quad, dummy, dummy);
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OS << "typedef __attribute__(( __vector_size__(";
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OS << utostr(8*v*(quad ? 2 : 1)) << ") )) ";
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if (!quad && v == 1)
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OS << " ";
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OS << utostr(8*(quad ? 2 : 1)) << ") )) ";
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if (!quad)
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OS << " ";
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OS << TypeString('s', TDTypeVec[i]);
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OS << " __neon_";
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char t = (v == 1) ? 'd' : '0' + v;
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OS << TypeString(t, TDTypeVec[i]) << ";\n";
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}
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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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OS << "\n";
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OS << "typedef __attribute__(( __vector_size__(8) )) "
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"double __neon_float64x1_t;\n";
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"double float64x1_t;\n";
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OS << "typedef __attribute__(( __vector_size__(16) )) "
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"double __neon_float64x2_t;\n";
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"double float64x2_t;\n";
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OS << "\n";
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// Emit struct typedefs.
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for (unsigned vi = 1; vi != 5; ++vi) {
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for (unsigned vi = 2; vi != 5; ++vi) {
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for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
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std::string ts = TypeString('d', TDTypeVec[i], vi == 1);
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std::string vs = TypeString((vi > 1) ? '0' + vi : 'd', TDTypeVec[i]);
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std::string tag = (vi > 1) ? vs : StructTag(TDTypeVec[i]);
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if (vi > 1) {
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OS << "typedef struct " << tag << " {\n";
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OS << " " << ts << " val";
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OS << "[" << utostr(vi) << "]";
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OS << ";\n} ";
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} else {
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OS << "typedef " << ts << " ";
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}
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std::string ts = TypeString('d', TDTypeVec[i]);
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std::string vs = TypeString('0' + vi, TDTypeVec[i]);
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OS << "typedef struct " << vs << " {\n";
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OS << " " << ts << " val";
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OS << "[" << utostr(vi) << "]";
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OS << ";\n} ";
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OS << vs << ";\n\n";
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}
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}
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