--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/i386/sgxintrin.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,177 @@
+#ifndef _SGXINTRIN_H_INCLUDED
+#define _SGXINTRIN_H_INCLUDED
+
+#ifndef __SGX__
+#pragma GCC push_options
+#pragma GCC target("sgx")
+#define __DISABLE_SGX__
+#endif /* __SGX__ */
+
+#define __encls_bc(leaf, b, c, retval)	    	 	\
+  __asm__ __volatile__ ("encls\n\t"		     	\
+	   : "=a" (retval)			     	\
+	   : "a" (leaf), "b" (b), "c" (c)		\
+	   : "cc")
+
+#define __encls_bcd(leaf, b, c, d, retval)	     	\
+  __asm__ __volatile__("encls\n\t"		     	\
+	   : "=a" (retval)			     	\
+	   : "a" (leaf), "b" (b), "c" (c), "d" (d)	\
+	   : "cc")
+
+#define __encls_c(leaf, c, retval)		     	\
+  __asm__ __volatile__("encls\n\t"		     	\
+	   : "=a" (retval)			     	\
+	   : "a" (leaf), "c" (c)			\
+	   : "cc")
+
+#define __encls_edbgrd(leaf, b, c, retval)	     	\
+  __asm__ __volatile__("encls\n\t"		     	\
+	   : "=a" (retval), "=b" (b)		     	\
+	   : "a" (leaf), "c" (c))
+
+#define __encls_generic(leaf, b, c, d, retval)   	\
+  __asm__ __volatile__("encls\n\t"		     	\
+	   : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
+	   : "a" (leaf), "b" (b), "c" (c), "d" (d)	\
+	   : "cc")
+
+#define __enclu_bc(leaf, b, c, retval)			\
+  __asm__ __volatile__("enclu\n\t"			\
+	   : "=a" (retval)				\
+	   : "a" (leaf), "b" (b), "c" (c)		\
+	   : "cc")
+
+#define __enclu_bcd(leaf, b, c, d, retval)		\
+  __asm__ __volatile__("enclu\n\t"			\
+	   : "=a" (retval)				\
+	   : "a" (leaf), "b" (b), "c" (c), "d" (d)	\
+	   : "cc")
+
+#define __enclu_eenter(leaf, b, c, retval)		\
+  __asm__  __volatile__("enclu\n\t"			\
+	   : "=a" (retval), "=c" (c)			\
+	   : "a" (leaf), "b" (b), "c" (c)		\
+	   : "cc")
+
+#define __enclu_eexit(leaf, b, c, retval)		\
+  __asm__  __volatile__("enclu\n\t"			\
+	   : "=a" (retval), "=c" (c)			\
+	   : "a" (leaf), "b" (b)			\
+	   : "cc")
+
+#define __enclu_generic(leaf, b, c, d, retval)		\
+  __asm__ __volatile__("enclu\n\t"			\
+	   : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
+	   : "a" (leaf), "b" (b), "c" (c), "d" (d)	\
+	   : "cc")
+
+
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_encls_u32 (const int __L, size_t __D[])
+{
+  enum __encls_type
+  {
+    __SGX_ECREATE = 0x00,
+    __SGX_EADD    = 0x01,
+    __SGX_EINIT   = 0x02,
+    __SGX_EREMOVE = 0x03,
+    __SGX_EDBGRD  = 0x04,
+    __SGX_EDBGWR  = 0x05,
+    __SGX_EEXTEND = 0x06,
+    __SGX_ELDB    = 0x07,
+    __SGX_ELDU    = 0x08,
+    __SGX_EBLOCK  = 0x09,
+    __SGX_EPA     = 0x0A,
+    __SGX_EWB     = 0x0B,
+    __SGX_ETRACK  = 0x0C,
+    __SGX_EAUG    = 0x0D,
+    __SGX_EMODPR  = 0x0E,
+    __SGX_EMODT   = 0x0F
+  };
+  enum __encls_type __T = (enum __encls_type)__L;
+  int __R = 0;
+  if (!__builtin_constant_p (__T))
+    __encls_generic (__L, __D[0], __D[1], __D[2], __R);
+  else switch (__T)
+    {
+    case __SGX_ECREATE:
+    case __SGX_EADD:
+    case __SGX_EDBGWR:
+    case __SGX_EEXTEND:
+    case __SGX_EPA:
+    case __SGX_EMODPR:
+    case __SGX_EMODT:
+    case __SGX_EAUG:
+      __encls_bc (__L, __D[0], __D[1], __R);
+      break;
+    case __SGX_EINIT:
+    case __SGX_ELDB:
+    case __SGX_ELDU:
+    case __SGX_EWB:
+      __encls_bcd (__L, __D[0], __D[1], __D[2], __R);
+      break;
+    case __SGX_EREMOVE:
+    case __SGX_EBLOCK:
+    case __SGX_ETRACK:
+      __encls_c (__L, __D[1], __R);
+      break;
+    case __SGX_EDBGRD:
+      __encls_edbgrd (__L, __D[0], __D[1], __R);
+      break;
+    default:
+      return -1;
+    }
+  return __R;
+}
+
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_enclu_u32 (const int __L, size_t __D[])
+{
+  enum __enclu_type
+  {
+    __SGX_EREPORT     = 0x00,
+    __SGX_EGETKEY     = 0x01,
+    __SGX_EENTER      = 0x02,
+    __SGX_ERESUME     = 0x03,
+    __SGX_EEXIT       = 0x04,
+    __SGX_EACCEPT     = 0x05,
+    __SGX_EMODPE      = 0x06,
+    __SGX_EACCEPTCOPY = 0x07
+  };
+  enum __enclu_type __T = (enum __enclu_type) __L;
+  int __R = 0;
+  if (!__builtin_constant_p (__T))
+    __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
+  else switch (__T)
+    {
+    case __SGX_EREPORT:
+    case __SGX_EACCEPTCOPY:
+      __enclu_bcd (__L, __D[0], __D[1], __D[2], __R);
+      break;
+    case __SGX_EGETKEY:
+    case __SGX_ERESUME:
+    case __SGX_EACCEPT:
+    case __SGX_EMODPE:
+      __enclu_bc (__L, __D[0], __D[1], __R);
+      break;
+    case __SGX_EENTER:
+      __enclu_eenter (__L, __D[0], __D[1], __R);
+      break;
+    case __SGX_EEXIT:
+      __enclu_eexit (__L, __D[0], __D[1], __R);
+      break;
+    default:
+      return -1;
+    }
+  return __R;
+}
+
+#ifdef __DISABLE_SGX__
+#undef __DISABLE_SGX__
+#pragma GCC pop_options
+#endif /* __DISABLE_SGX__ */
+
+#endif /* _SGXINTRIN_H_INCLUDED */