From ce25d26b400d25c9e20ac9fe2d5b0cafb9d7fa15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Sj=C3=B6din?= <jan_sjodin@yahoo.com>
Date: Fri, 2 Dec 2011 15:14:37 +0000
Subject: [PATCH] Add XOP feature flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145682 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86.td           | 7 +++++--
 lib/Target/X86/X86Subtarget.cpp | 3 +++
 lib/Target/X86/X86Subtarget.h   | 4 ++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index aa92f084ff2..8229ca5444b 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -91,6 +91,8 @@ def FeatureFMA3    : SubtargetFeature<"fma3", "HasFMA3", "true",
                                      "Enable three-operand fused multiple-add">;
 def FeatureFMA4    : SubtargetFeature<"fma4", "HasFMA4", "true",
                                       "Enable four-operand fused multiple-add">;
+def FeatureXOP    : SubtargetFeature<"xop", "HasXOP", "true",
+                                      "Enable XOP instructions">;
 def FeatureVectorUAMem : SubtargetFeature<"vector-unaligned-mem",
                                           "HasVectorUAMem", "true",
                  "Allow unaligned memory operands on vector/SIMD instructions">;
@@ -199,10 +201,11 @@ def : Proc<"amdfam10",        [FeatureSSE3,   FeatureSSE4A,
 // FIXME: Disabling AVX for now since it's not ready.
 def : Proc<"bdver1",          [FeatureSSE42, FeatureSSE4A, FeatureCMPXCHG16B,
                                FeatureAES, FeatureCLMUL, FeatureFMA4,
-                               FeatureLZCNT]>;
+                               FeatureXOP, FeatureLZCNT]>;
 def : Proc<"bdver2",          [FeatureSSE42, FeatureSSE4A, FeatureCMPXCHG16B,
                                FeatureAES, FeatureCLMUL, FeatureFMA4,
-                               FeatureF16C, FeatureLZCNT, FeatureBMI]>;
+                                FeatureXOP, FeatureF16C, FeatureLZCNT,
+                                 FeatureBMI]>;
 
 def : Proc<"winchip-c6",      [FeatureMMX]>;
 def : Proc<"winchip2",        [Feature3DNow]>;
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index e7bcbf898be..d7fa8ca5742 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -273,6 +273,8 @@ void X86Subtarget::AutoDetectSubtargetFeatures() {
       if (IsAMD && ((ECX >> 16) & 0x1)) {
         HasFMA4 = true;
         ToggleFeature(X86::FeatureFMA4);
+        HasXOP = true;
+        ToggleFeature(X86::FeatureXOP);
       }
     }
   }
@@ -317,6 +319,7 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU,
   , HasCLMUL(false)
   , HasFMA3(false)
   , HasFMA4(false)
+  , HasXOP(false)
   , HasMOVBE(false)
   , HasRDRAND(false)
   , HasF16C(false)
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index e93f8e94f62..ccb9be0c97a 100644
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -93,6 +93,9 @@ protected:
   /// HasFMA4 - Target has 4-operand fused multiply-add
   bool HasFMA4;
 
+  /// HasXOP - Target has XOP instructions
+  bool HasXOP;
+
   /// HasMOVBE - True if the processor has the MOVBE instruction.
   bool HasMOVBE;
 
@@ -198,6 +201,7 @@ public:
   bool hasCLMUL() const { return HasCLMUL; }
   bool hasFMA3() const { return HasFMA3; }
   bool hasFMA4() const { return HasFMA4; }
+  bool hasXOP() const { return HasXOP; }
   bool hasMOVBE() const { return HasMOVBE; }
   bool hasRDRAND() const { return HasRDRAND; }
   bool hasF16C() const { return HasF16C; }