[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.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179636 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/NeonEmitter.cpp b/utils/TableGen/NeonEmitter.cpp
index b952f78..257bf65 100644
--- a/utils/TableGen/NeonEmitter.cpp
+++ b/utils/TableGen/NeonEmitter.cpp
@@ -588,6 +588,70 @@
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,
/// 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.
@@ -597,64 +661,16 @@
return name;
bool quad = false;
- bool poly = false;
- bool usgn = false;
- char type = ClassifyType(typestr, quad, poly, usgn);
+ std::string typeCode = "";
+
+ InstructionTypeCode(typestr, ck, quad, typeCode);
std::string s = name;
- switch (type) {
- case 'c':
- 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 (typeCode.size() > 0) {
+ s += "_" + typeCode;
}
+
if (ck == ClassB)
s += "_v";