Add FMA4 feature flag. Intrinsics coming soon. Also make sse4a feature flag imply sse3. Matches gcc behavior.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index a768226..aebb28a 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1199,6 +1199,7 @@
bool HasBMI;
bool HasBMI2;
bool HasPOPCNT;
+ bool HasFMA4;
/// \brief Enumeration of all of the X86 CPUs supported by Clang.
///
@@ -1336,7 +1337,8 @@
X86TargetInfo(const std::string& triple)
: TargetInfo(triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
HasAES(false), HasAVX(false), HasAVX2(false), HasLZCNT(false),
- HasBMI(false), HasBMI2(false), HasPOPCNT(false), CPU(CK_Generic) {
+ HasBMI(false), HasBMI2(false), HasPOPCNT(false), HasFMA4(false),
+ CPU(CK_Generic) {
BigEndian = false;
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
@@ -1521,6 +1523,7 @@
Features["bmi"] = false;
Features["bmi2"] = false;
Features["popcnt"] = false;
+ Features["fma4"] = false;
// FIXME: This *really* should not be here.
@@ -1690,8 +1693,13 @@
Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
Features["ssse3"] = Features["sse41"] = Features["sse42"] =
Features["popcnt"] = Features["avx"] = Features["avx2"] = true;
+ else if (Name == "fma4")
+ Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
+ Features["ssse3"] = Features["sse41"] = Features["sse42"] =
+ Features["popcnt"] = Features["avx"] = Features["fma4"] = true;
else if (Name == "sse4a")
- Features["mmx"] = Features["sse4a"] = true;
+ Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
+ Features["sse4a"] = true;
else if (Name == "lzcnt")
Features["lzcnt"] = true;
else if (Name == "bmi")
@@ -1705,13 +1713,14 @@
Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = false;
else if (Name == "sse")
Features["sse"] = Features["sse2"] = Features["sse3"] =
- Features["ssse3"] = Features["sse41"] = Features["sse42"] = false;
+ Features["ssse3"] = Features["sse41"] = Features["sse42"] =
+ Features["sse4a"] = false;
else if (Name == "sse2")
Features["sse2"] = Features["sse3"] = Features["ssse3"] =
- Features["sse41"] = Features["sse42"] = false;
+ Features["sse41"] = Features["sse42"] = Features["sse4a"] = false;
else if (Name == "sse3")
Features["sse3"] = Features["ssse3"] = Features["sse41"] =
- Features["sse42"] = false;
+ Features["sse42"] = Features["sse4a"] = false;
else if (Name == "ssse3")
Features["ssse3"] = Features["sse41"] = Features["sse42"] = false;
else if (Name == "sse4" || Name == "sse4.1")
@@ -1725,7 +1734,7 @@
else if (Name == "aes")
Features["aes"] = false;
else if (Name == "avx")
- Features["avx"] = Features["avx2"] = false;
+ Features["avx"] = Features["avx2"] = Features["fma4"] = false;
else if (Name == "avx2")
Features["avx2"] = false;
else if (Name == "sse4a")
@@ -1738,6 +1747,8 @@
Features["bmi2"] = false;
else if (Name == "popcnt")
Features["popcnt"] = false;
+ else if (Name == "fma4")
+ Features["fma4"] = false;
}
return true;
@@ -1777,10 +1788,14 @@
continue;
}
+ if (Features[i].substr(1) == "fma4") {
+ HasFMA4 = true;
+ continue;
+ }
+
// FIXME: Not sure yet how to treat AVX in regard to SSE levels.
// For now let it be enabled together with other SSE levels.
if (Features[i].substr(1) == "avx2") {
- HasAVX = true;
HasAVX2 = true;
continue;
}
@@ -2011,6 +2026,9 @@
if (HasPOPCNT)
Builder.defineMacro("__POPCNT__");
+ if (HasFMA4)
+ Builder.defineMacro("__FMA4__");
+
// Each case falls through to the previous one here.
switch (SSELevel) {
case SSE42: