RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-19 01:48:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use the struct tags mandated by ARM's ABI. Also use the public type names for

Browse Source 
the array fields in these structs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106794 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-06-24 22:03:41 +00:00
parent 10707f3b44
commit 9969bc3d19
1 changed files with 51 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
utils/TableGen/NeonEmitter.cpp
View File

@ -368,6 +368,52 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
return quad ? "V16c" : "V8c";
}
/// StructTag - generate the name of the struct tag for a type.
/// These names are mandated by ARM's ABI.
static std::string StructTag(StringRef typestr) {
bool quad = false;
bool poly = false;
bool usgn = false;
// base type to get the type string for.
char type = ClassifyType(typestr, quad, poly, usgn);
SmallString<128> s;
s += "__simd";
s += quad ? "128_" : "64_";
if (usgn)
s.push_back('u');
switch (type) {
case 'c':
s += poly ? "poly8" : "int8";
break;
case 's':
s += poly ? "poly16" : "int16";
break;
case 'i':
s += "int32";
break;
case 'l':
s += "int64";
break;
case 'h':
s += "float16";
break;
case 'f':
s += "float32";
break;
default:
throw "unhandled type!";
break;
}
// Append _t, finishing the struct tag name.
s += "_t";
return s.str();
}
/// MangleName - Append a type or width suffix to a base neon function name,
/// and insert a 'q' in the appropriate location if the operation works on
/// 128b rather than 64b. E.g. turn "vst2_lane" into "vst2q_lane_f32", etc.
@ -878,10 +924,11 @@ void NeonEmitter::run(raw_ostream &OS) {
// Emit struct typedefs.
for (unsigned vi = 1; vi != 5; ++vi) {
for (unsigned i = 0, e = TDTypeVec.size(); i != e; ++i) {
std::string ts = TypeString('d', TDTypeVec[i]);
std::string vs = (vi > 1) ? TypeString('0' + vi, TDTypeVec[i]) : ts;
OS << "typedef struct __" << vs << " {\n";
OS << " __neon_" << ts << " val";
std::string ts = TypeString('d', TDTypeVec[i], vi == 1);
std::string vs = TypeString((vi > 1) ? '0' + vi : 'd', TDTypeVec[i]);
std::string tag = (vi > 1) ? vs : StructTag(TDTypeVec[i]);
OS << "typedef struct " << tag << " {\n";
OS << " " << ts << " val";
if (vi > 1)
OS << "[" << utostr(vi) << "]";
OS << ";\n} " << vs << ";\n\n";