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author | Nate Begeman <natebegeman@mac.com> | 2010-06-02 06:17:19 +0000 |
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committer | Nate Begeman <natebegeman@mac.com> | 2010-06-02 06:17:19 +0000 |
commit | af905efc61c678fc667b992a8ee534c1f3ca4a8d (patch) | |
tree | cd80561ff41a1ff0ca985cf3d0728abfbad636ae | |
parent | 9d709a8edb696e89b33cd3c2886c8db735b02318 (diff) | |
download | external_llvm-af905efc61c678fc667b992a8ee534c1f3ca4a8d.zip external_llvm-af905efc61c678fc667b992a8ee534c1f3ca4a8d.tar.gz external_llvm-af905efc61c678fc667b992a8ee534c1f3ca4a8d.tar.bz2 |
Emit full function prototypes. Definitions & typedefs to come.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105315 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | utils/TableGen/NeonEmitter.cpp | 88 |
1 files changed, 72 insertions, 16 deletions
diff --git a/utils/TableGen/NeonEmitter.cpp b/utils/TableGen/NeonEmitter.cpp index eeb0bcc..6bedb03 100644 --- a/utils/TableGen/NeonEmitter.cpp +++ b/utils/TableGen/NeonEmitter.cpp @@ -64,36 +64,41 @@ static const char Widen(const char t) { return '\0'; } -static std::string TypeString(const char mod, StringRef typestr) { +static char ClassifyType(StringRef ty, bool &quad, bool &poly, bool &usgn) { unsigned off = 0; - bool quad = false; - bool poly = false; - bool usgn = false; - bool scal = false; - bool cnst = false; - bool pntr = false; - // remember quad. - if (typestr[off] == 'Q') { + if (ty[off] == 'Q') { quad = true; ++off; } - + // remember poly. - if (typestr[off] == 'P') { + if (ty[off] == 'P') { poly = true; ++off; } // remember unsigned. - if (typestr[off] == 'U') { + if (ty[off] == 'U') { usgn = true; ++off; } // base type to get the type string for. - char type = typestr[off]; + return ty[off]; +} + +static std::string TypeString(const char mod, StringRef typestr) { + bool quad = false; + bool poly = false; + bool usgn = false; + bool scal = false; + bool cnst = false; + bool pntr = false; + + // base type to get the type string for. + char type = ClassifyType(typestr, quad, poly, usgn); // Based on the modifying character, change the type and width if necessary. switch (mod) { @@ -220,12 +225,63 @@ static std::string TypeString(const char mod, StringRef typestr) { // Turn "vst2_lane" into "vst2q_lane_f32", etc. static std::string MangleName(const std::string &name, StringRef typestr) { - return ""; + bool quad = false; + bool poly = false; + bool usgn = false; + char type = ClassifyType(typestr, quad, poly, usgn); + + std::string s = name; + + switch (type) { + case 'c': + s += poly ? "_p8" : usgn ? "_u8" : "_s8"; + break; + case 's': + s += poly ? "_p16" : usgn ? "_u16" : "_s16"; + break; + case 'i': + s += usgn ? "_u32" : "_s32"; + break; + case 'l': + s += usgn ? "_u64" : "_s64"; + break; + case 'h': + s += "_f16"; + break; + case 'f': + s += "_f32"; + break; + default: + throw "unhandled type!"; + break; + } + + // Insert a 'q' before the first '_' character so that it ends up before + // _lane or _n on vector-scalar operations. + if (quad) { + size_t pos = s.find('_'); + s = s.insert(pos, "q"); + } + return s; } -// +// Generate the string "(argtype a, argtype b, ...)" static std::string GenArgs(const std::string &proto, StringRef typestr) { - return ""; + char arg = 'a'; + + std::string s; + s += "("; + + for (unsigned i = 1, e = proto.size(); i != e; ++i, ++arg) { + s += TypeString(proto[i], typestr); + s.push_back(' '); + s.push_back(arg); + if ((i + 1) < e) + s += ", "; + } + + s += ")"; + return s; } void NeonEmitter::run(raw_ostream &OS) { |