--- a/gcc/config/i386/smmintrin.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/i386/smmintrin.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2017 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -19,8 +19,7 @@
    You should have received a copy of the GNU General Public License and
    a copy of the GCC Runtime Library Exception along with this program;
    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-   <http://www.gnu.org/licenses/>.
-
+   <http://www.gnu.org/licenses/>.  */
 
 /* Implemented from the specification included in the Intel C++ Compiler
    User Guide and Reference, version 10.0.  */
@@ -28,14 +27,16 @@
 #ifndef _SMMINTRIN_H_INCLUDED
 #define _SMMINTRIN_H_INCLUDED
 
-#ifndef __SSE4_1__
-# error "SSE4.1 instruction set not enabled"
-#else
-
 /* We need definitions from the SSSE3, SSE3, SSE2 and SSE header
    files.  */
 #include <tmmintrin.h>
 
+#ifndef __SSE4_1__
+#pragma GCC push_options
+#pragma GCC target("sse4.1")
+#define __DISABLE_SSE4_1__
+#endif /* __SSE4_1__ */
+
 /* Rounding mode macros. */
 #define _MM_FROUND_TO_NEAREST_INT	0x00
 #define _MM_FROUND_TO_NEG_INF		0x01
@@ -266,7 +267,7 @@
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_cmpeq_epi64 (__m128i __X, __m128i __Y)
 {
-  return (__m128i) __builtin_ia32_pcmpeqq ((__v2di)__X, (__v2di)__Y);
+  return (__m128i) ((__v2di)__X == (__v2di)__Y);
 }
 
 /*  Min/max packed integer instructions.  */
@@ -324,7 +325,7 @@
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_mullo_epi32 (__m128i __X, __m128i __Y)
 {
-  return (__m128i) __builtin_ia32_pmulld128 ((__v4si)__X, (__v4si)__Y);
+  return (__m128i) ((__v4su)__X * (__v4su)__Y);
 }
 
 /* Packed integer 32-bit multiplication of 2 pairs of operands
@@ -583,7 +584,11 @@
   return (__m128i) __builtin_ia32_movntdqa ((__v2di *) __X);
 }
 
-#ifdef __SSE4_2__
+#ifndef __SSE4_2__
+#pragma GCC push_options
+#pragma GCC target("sse4.2")
+#define __DISABLE_SSE4_2__
+#endif /* __SSE4_2__ */
 
 /* These macros specify the source data format.  */
 #define _SIDD_UBYTE_OPS			0x00
@@ -597,7 +602,7 @@
 #define _SIDD_CMP_EQUAL_EACH		0x08
 #define _SIDD_CMP_EQUAL_ORDERED		0x0c
 
-/* These macros specify the the polarity.  */
+/* These macros specify the polarity.  */
 #define _SIDD_POSITIVE_POLARITY		0x00
 #define _SIDD_NEGATIVE_POLARITY		0x10
 #define _SIDD_MASKED_POSITIVE_POLARITY	0x20
@@ -790,12 +795,32 @@
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_cmpgt_epi64 (__m128i __X, __m128i __Y)
 {
-  return (__m128i) __builtin_ia32_pcmpgtq ((__v2di)__X, (__v2di)__Y);
+  return (__m128i) ((__v2di)__X > (__v2di)__Y);
 }
 
-#ifdef __POPCNT__
+#ifdef __DISABLE_SSE4_2__
+#undef __DISABLE_SSE4_2__
+#pragma GCC pop_options
+#endif /* __DISABLE_SSE4_2__ */
+
+#ifdef __DISABLE_SSE4_1__
+#undef __DISABLE_SSE4_1__
+#pragma GCC pop_options
+#endif /* __DISABLE_SSE4_1__ */
+
 #include <popcntintrin.h>
-#endif
+
+#ifndef __SSE4_1__
+#pragma GCC push_options
+#pragma GCC target("sse4.1")
+#define __DISABLE_SSE4_1__
+#endif /* __SSE4_1__ */
+
+#ifndef __SSE4_2__
+#pragma GCC push_options
+#pragma GCC target("sse4.2")
+#define __DISABLE_SSE4_2__
+#endif /* __SSE4_1__ */
 
 /* Accumulate CRC32 (polynomial 0x11EDC6F41) value.  */
 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
@@ -824,8 +849,14 @@
 }
 #endif
 
-#endif /* __SSE4_2__ */
+#ifdef __DISABLE_SSE4_2__
+#undef __DISABLE_SSE4_2__
+#pragma GCC pop_options
+#endif /* __DISABLE_SSE4_2__ */
 
-#endif /* __SSE4_1__ */
+#ifdef __DISABLE_SSE4_1__
+#undef __DISABLE_SSE4_1__
+#pragma GCC pop_options
+#endif /* __DISABLE_SSE4_1__ */
 
 #endif /* _SMMINTRIN_H_INCLUDED */