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Additional fixes to BuiltinsARM.def generator, on to clang codegen.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105488 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2010-06-04 21:36:00 +00:00
parent 73c943fb43
commit 7c21f747c7
1 changed files with 38 additions and 9 deletions
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47
utils/TableGen/NeonEmitter.cpp
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@ -100,7 +100,8 @@ static char ClassifyType(StringRef ty, bool &quad, bool &poly, bool &usgn) {
return ty[off];
}
static std::string TypeString(const char mod, StringRef typestr) {
static std::string TypeString(const char mod, StringRef typestr,
bool ret = false) {
bool quad = false;
bool poly = false;
bool usgn = false;
@ -234,7 +235,8 @@ static std::string TypeString(const char mod, StringRef typestr) {
return s.str();
}
static std::string BuiltinTypeString(const char mod, StringRef typestr) {
static std::string BuiltinTypeString(const char mod, StringRef typestr,
ClassKind ck, bool ret) {
bool quad = false;
bool poly = false;
bool usgn = false;
@ -309,21 +311,40 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr) {
type = 's';
usgn = true;
}
usgn = usgn | poly;
usgn = usgn | poly | ((ck == ClassI || ck == ClassW) && scal && type != 'f');
if (scal) {
SmallString<128> s;
if (usgn)
s.push_back('U');
s.push_back(type);
if (type == 'l')
s += "LLi";
else
s.push_back(type);
if (cnst)
s.push_back('C');
if (pntr)
s.push_back('*');
return s.str();
}
// Since the return value must be one type, return a vector type of the
// appropriate width which we will bitcast.
if (ret) {
if (mod == '2')
return quad ? "V32c" : "V16c";
if (mod == '3')
return quad ? "V48c" : "V24c";
if (mod == '4')
return quad ? "V64c" : "V32c";
return quad ? "V16c" : "V8c";
}
// Non-return array types are passed as individual vectors.
if (mod == '2')
return quad ? "V16cV16c" : "V8cV8c";
if (mod == '3')
@ -434,7 +455,7 @@ static std::string GenArgs(const std::string &proto, StringRef typestr) {
static std::string GenOpString(OpKind op, const std::string &proto,
StringRef typestr, bool structTypes = true) {
std::string s("return ");
std::string ts = TypeString(proto[0], typestr);
std::string ts = TypeString(proto[0], typestr, true);
if (structTypes)
s += "(" + ts + "){";
@ -518,13 +539,17 @@ static std::string GenBuiltin(const std::string &name, const std::string &proto,
bool structTypes = true) {
char arg = 'a';
std::string s;
//bool unioning = (proto[0] == '2' || proto[0] == '3' || proto[0] == '4');
if (proto[0] != 'v') {
// FIXME: if return type is 2/3/4, emit unioning code.
//if (unioning)
// ;
s += "return ";
if (structTypes) {
s += "(";
s += TypeString(proto[0], typestr);
s += TypeString(proto[0], typestr, true);
s += "){";
}
}
@ -565,7 +590,11 @@ static std::string GenBuiltinDef(const std::string &name,
s += ", \"";
for (unsigned i = 0, e = proto.size(); i != e; ++i)
s += BuiltinTypeString(proto[i], typestr);
s += BuiltinTypeString(proto[i], typestr, ck, i == 0);
// Extra constant integer to hold type class enum for this function, e.g. s8
if (ck == ClassB)
s += "i";
s += "\", \"n\")";
return s;