1 files changed, 39 insertions, 1 deletions
diff --git a/src/jit/emitxarch.h b/src/jit/emitxarch.h
index 98256cdaa7..9c435e5d87 100644
--- a/src/jit/emitxarch.h
+++ b/src/jit/emitxarch.h
@@ -109,6 +109,16 @@ void SetUseSSE3_4(bool value)
 }
 bool Is4ByteSSE4Instruction(instruction ins);
 
+bool hasRexPrefix(code_t code)
+{
+#ifdef _TARGET_AMD64_
+    const code_t REX_PREFIX_MASK = 0xFF00000000LL;
+    return (code & REX_PREFIX_MASK) != 0;
+#else  // !_TARGET_AMD64_
+    return false;
+#endif // !_TARGET_AMD64_
+}
+
 #ifdef FEATURE_AVX_SUPPORT
 
 // 3-byte VEX prefix starts with byte 0xC4
@@ -150,6 +160,26 @@ void SetUseAVX(bool value)
     useAVXEncodings = value;
 }
 
+bool containsAVXInstruction = false;
+bool ContainsAVX()
+{
+    return containsAVXInstruction;
+}
+void SetContainsAVX(bool value)
+{
+    containsAVXInstruction = value;
+}
+
+bool contains256bitAVXInstruction = false;
+bool Contains256bitAVX()
+{
+    return contains256bitAVXInstruction;
+}
+void SetContains256bitAVX(bool value)
+{
+    contains256bitAVXInstruction = value;
+}
+
 bool IsThreeOperandBinaryAVXInstruction(instruction ins);
 bool IsThreeOperandMoveAVXInstruction(instruction ins);
 bool IsThreeOperandAVXInstruction(instruction ins)
@@ -158,7 +188,15 @@ bool IsThreeOperandAVXInstruction(instruction ins)
 }
 bool Is4ByteAVXInstruction(instruction ins);
 #else  // !FEATURE_AVX_SUPPORT
-bool                     UseAVX()
+bool UseAVX()
+{
+    return false;
+}
+bool ContainsAVX()
+{
+    return false;
+}
+bool Contains256bitAVX()
 {
     return false;
 }