Add intrinsics and feature flag for read/write FS/GS base instructions. Also add...

[oota-llvm.git] / lib / Target / X86 / X86.td

diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 986196005f48db095b8576339839cbff3096d949..62a70166912e090de68759a14d1a2466ec37e2cf 100644 (file)
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -82,6 +82,9 @@ def FeatureSSE4A   : SubtargetFeature<"sse4a", "HasSSE4A", "true",
 
 def FeatureAVX     : SubtargetFeature<"avx", "HasAVX", "true",
                                       "Enable AVX instructions">;
+def FeatureAVX2    : SubtargetFeature<"avx2", "HasAVX2", "true",
+                                      "Enable AVX2 instructions",
+                                      [FeatureAVX]>;
 def FeatureCLMUL   : SubtargetFeature<"clmul", "HasCLMUL", "true",
                                "Enable carry-less multiplication instructions">;
 def FeatureFMA3    : SubtargetFeature<"fma3", "HasFMA3", "true",
@@ -99,6 +102,8 @@ def FeatureRDRAND  : SubtargetFeature<"rdrand", "HasRDRAND", "true",
                                       "Support RDRAND instruction">;
 def FeatureF16C    : SubtargetFeature<"f16c", "HasF16C", "true",
                        "Support 16-bit floating point conversion instructions">;
+def FeatureFSGSBase : SubtargetFeature<"fsgsbase", "HasFSGSBase", "true",
+                                       "Support FS/GS Base instructions">;
 def FeatureLZCNT   : SubtargetFeature<"lzcnt", "HasLZCNT", "true",
                                       "Support LZCNT instruction">;
 def FeatureBMI     : SubtargetFeature<"bmi", "HasBMI", "true",
@@ -157,13 +162,14 @@ def : Proc<"corei7-avx",      [FeatureSSE42, FeatureCMPXCHG16B,
 // Ivy Bridge
 def : Proc<"core-avx-i",      [FeatureSSE42, FeatureCMPXCHG16B,
                                FeatureAES, FeatureCLMUL,
-                               FeatureRDRAND, FeatureF16C]>;
+                               FeatureRDRAND, FeatureF16C, FeatureFSGSBase]>;
 
 // Haswell
+// FIXME: Disabling AVX/AVX2 for now since it's not ready.
 def : Proc<"core-avx2",       [FeatureSSE42, FeatureCMPXCHG16B, FeatureAES,
                                FeatureCLMUL, FeatureRDRAND, FeatureF16C,
-                               FeatureFMA3, FeatureMOVBE, FeatureLZCNT,
-                               FeatureBMI, FeatureBMI2]>;
+                               FeatureFSGSBase, FeatureFMA3, FeatureMOVBE,
+                               FeatureLZCNT, FeatureBMI, FeatureBMI2]>;
 
 def : Proc<"k6",              [FeatureMMX]>;
 def : Proc<"k6-2",            [Feature3DNow]>;
@@ -194,9 +200,8 @@ def : Proc<"barcelona",       [FeatureSSE3,   FeatureSSE4A,
                                Feature3DNowA, FeatureCMPXCHG16B,
                                FeatureSlowBTMem]>;
 def : Proc<"istanbul",        [Feature3DNowA, FeatureCMPXCHG16B,
-                               FeatureSSE4A, Feature3DNowA]>;
-def : Proc<"shanghai",        [Feature3DNowA, FeatureCMPXCHG16B, FeatureSSE4A,
-                               Feature3DNowA]>;
+                               FeatureSSE4A]>;
+def : Proc<"shanghai",        [Feature3DNowA, FeatureCMPXCHG16B, FeatureSSE4A]>;
 
 def : Proc<"winchip-c6",      [FeatureMMX]>;
 def : Proc<"winchip2",        [Feature3DNow]>;