Add feature flags for AVX and FMA and fix some SSE4A feature flag
initialization problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74350 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index 694b0eb..f4f6cce 100644
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -64,12 +64,21 @@
///
bool HasX86_64;
- /// IsBTMemSlow - True if BT (bit test) of memory instructions are slow.
- bool IsBTMemSlow;
-
/// HasSSE4A - True if the processor supports SSE4A instructions.
bool HasSSE4A;
+ /// HasAVX - Target has AVX instructions
+ bool HasAVX;
+
+ /// HasFMA3 - Target has 3-operand fused multiply-add
+ bool HasFMA3;
+
+ /// HasFMA4 - Target has 4-operand fused multiply-add
+ bool HasFMA4;
+
+ /// IsBTMemSlow - True if BT (bit test) of memory instructions are slow.
+ bool IsBTMemSlow;
+
/// DarwinVers - Nonzero if this is a darwin platform: the numeric
/// version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.
unsigned char DarwinVers; // Is any darwin-x86 platform.
@@ -133,6 +142,9 @@
bool hasSSE4A() const { return HasSSE4A; }
bool has3DNow() const { return X863DNowLevel >= ThreeDNow; }
bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; }
+ bool hasAVX() const { return hasAVX(); }
+ bool hasFMA3() const { return HasFMA3; }
+ bool hasFMA4() const { return HasFMA4; }
bool isBTMemSlow() const { return IsBTMemSlow; }