Add support for 3dnow and 3dnowa, and define the target macros accordingly. (This is needed in order to build Qt).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index e019d6a..ac5a7d1 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -637,9 +637,13 @@
enum X86SSEEnum {
NoMMXSSE, MMX, SSE1, SSE2, SSE3, SSSE3, SSE41, SSE42
} SSELevel;
+ enum AMD3DNowEnum {
+ NoAMD3DNow, AMD3DNow, AMD3DNowAthlon
+ } AMD3DNowLevel;
+
public:
X86TargetInfo(const std::string& triple)
- : TargetInfo(triple), SSELevel(NoMMXSSE) {
+ : TargetInfo(triple), SSELevel(NoMMXSSE), AMD3DNowLevel(NoAMD3DNow) {
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
virtual void getTargetBuiltins(const Builtin::Info *&Records,
@@ -804,6 +808,14 @@
.Case("mmx", MMX)
.Default(NoMMXSSE);
SSELevel = std::max(SSELevel, Level);
+
+ AMD3DNowEnum ThreeDNowLevel =
+ llvm::StringSwitch<AMD3DNowEnum>(Features[i].substr(1))
+ .Case("3dnowa", AMD3DNowAthlon)
+ .Case("3dnow", AMD3DNow)
+ .Default(NoAMD3DNow);
+
+ AMD3DNowLevel = std::max(AMD3DNowLevel, ThreeDNowLevel);
}
}
@@ -858,6 +870,16 @@
case NoMMXSSE:
break;
}
+
+ // Each case falls through to the previous one here.
+ switch (AMD3DNowLevel) {
+ case AMD3DNowAthlon:
+ Builder.defineMacro("__3dNOW_A__");
+ case AMD3DNow:
+ Builder.defineMacro("__3dNOW__");
+ case NoAMD3DNow:
+ break;
+ }
}