Define __SSE4A__ when targeting new AMD CPUs.
This doesn't really fit the existing SSELevel so it gets an extra flag.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157630 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index e5cbc3c..2199236 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1242,6 +1242,7 @@
bool HasBMI;
bool HasBMI2;
bool HasPOPCNT;
+ bool HasSSE4a;
bool HasFMA4;
/// \brief Enumeration of all of the X86 CPUs supported by Clang.
@@ -1388,7 +1389,7 @@
X86TargetInfo(const std::string& triple)
: TargetInfo(triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
HasAES(false), HasLZCNT(false), HasBMI(false), HasBMI2(false),
- HasPOPCNT(false), HasFMA4(false), CPU(CK_Generic) {
+ HasPOPCNT(false), HasSSE4a(false), HasFMA4(false), CPU(CK_Generic) {
BigEndian = false;
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
}
@@ -1843,6 +1844,11 @@
continue;
}
+ if (Feature == "sse4a") {
+ HasSSE4a = true;
+ continue;
+ }
+
if (Feature == "fma4") {
HasFMA4 = true;
continue;
@@ -2042,6 +2048,9 @@
if (HasPOPCNT)
Builder.defineMacro("__POPCNT__");
+ if (HasSSE4a)
+ Builder.defineMacro("__SSE4A__");
+
if (HasFMA4)
Builder.defineMacro("__FMA4__");
@@ -2108,6 +2117,7 @@
.Case("avx2", SSELevel >= AVX2)
.Case("bmi", HasBMI)
.Case("bmi2", HasBMI2)
+ .Case("sse4a", HasSSE4a)
.Case("fma4", HasFMA4)
.Case("lzcnt", HasLZCNT)
.Case("mm3dnow", MMX3DNowLevel >= AMD3DNow)