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[3/6] ARM Neon Intrinsic Tablegen Test Generator. 

Refactored out the method InstructionTypeCode from MangleName for use in
further patches which perform neon tablegen test generation.

Reviewed by Bob Wilson.

llvm-svn: 179636
This commit is contained in:
Michael Gottesman 2013-04-16 22:07:30 +00:00
parent 20871cd6b9
commit 095c58f1c4
1 changed files with 70 additions and 54 deletions
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124
clang/utils/TableGen/NeonEmitter.cpp
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@ -588,6 +588,70 @@ static std::string BuiltinTypeString(const char mod, StringRef typestr,
return quad ? "V16Sc" : "V8Sc"; return quad ? "V16Sc" : "V8Sc";
} }
/// InstructionTypeCode - Computes the ARM argument character code and
/// quad status for a specific type string and ClassKind.
static void InstructionTypeCode(const StringRef &typeStr,
const ClassKind ck,
bool &quad,
std::string &typeCode) {
bool poly = false;
bool usgn = false;
char type = ClassifyType(typeStr, quad, poly, usgn);
switch (type) {
case 'c':
switch (ck) {
case ClassS: typeCode = poly ? "p8" : usgn ? "u8" : "s8"; break;
case ClassI: typeCode = "i8"; break;
case ClassW: typeCode = "8"; break;
default: break;
}
break;
case 's':
switch (ck) {
case ClassS: typeCode = poly ? "p16" : usgn ? "u16" : "s16"; break;
case ClassI: typeCode = "i16"; break;
case ClassW: typeCode = "16"; break;
default: break;
}
break;
case 'i':
switch (ck) {
case ClassS: typeCode = usgn ? "u32" : "s32"; break;
case ClassI: typeCode = "i32"; break;
case ClassW: typeCode = "32"; break;
default: break;
}
break;
case 'l':
switch (ck) {
case ClassS: typeCode = usgn ? "u64" : "s64"; break;
case ClassI: typeCode = "i64"; break;
case ClassW: typeCode = "64"; break;
default: break;
}
break;
case 'h':
switch (ck) {
case ClassS:
case ClassI: typeCode = "f16"; break;
case ClassW: typeCode = "16"; break;
default: break;
}
break;
case 'f':
switch (ck) {
case ClassS:
case ClassI: typeCode = "f32"; break;
case ClassW: typeCode = "32"; break;
default: break;
}
break;
default:
PrintFatalError("unhandled type!");
}
}
/// MangleName - Append a type or width suffix to a base neon function name, /// 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 /// 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. /// 128b rather than 64b. E.g. turn "vst2_lane" into "vst2q_lane_f32", etc.
@ -597,64 +661,16 @@ static std::string MangleName(const std::string &name, StringRef typestr,
return name; return name;
bool quad = false; bool quad = false;
bool poly = false; std::string typeCode = "";
bool usgn = false;
char type = ClassifyType(typestr, quad, poly, usgn); InstructionTypeCode(typestr, ck, quad, typeCode);
std::string s = name; std::string s = name;
switch (type) { if (typeCode.size() > 0) {
case 'c': s += "_" + typeCode;
switch (ck) {
case ClassS: s += poly ? "_p8" : usgn ? "_u8" : "_s8"; break;
case ClassI: s += "_i8"; break;
case ClassW: s += "_8"; break;
default: break;
}
break;
case 's':
switch (ck) {
case ClassS: s += poly ? "_p16" : usgn ? "_u16" : "_s16"; break;
case ClassI: s += "_i16"; break;
case ClassW: s += "_16"; break;
default: break;
}
break;
case 'i':
switch (ck) {
case ClassS: s += usgn ? "_u32" : "_s32"; break;
case ClassI: s += "_i32"; break;
case ClassW: s += "_32"; break;
default: break;
}
break;
case 'l':
switch (ck) {
case ClassS: s += usgn ? "_u64" : "_s64"; break;
case ClassI: s += "_i64"; break;
case ClassW: s += "_64"; break;
default: break;
}
break;
case 'h':
switch (ck) {
case ClassS:
case ClassI: s += "_f16"; break;
case ClassW: s += "_16"; break;
default: break;
}
break;
case 'f':
switch (ck) {
case ClassS:
case ClassI: s += "_f32"; break;
case ClassW: s += "_32"; break;
default: break;
}
break;
default:
PrintFatalError("unhandled type!");
} }
if (ck == ClassB) if (ck == ClassB)
s += "_v"; s += "_v";