This file is part of MXE. See LICENSE.md for licensing information.

From 05788ad7e6bf16402aa7c9c085784c3582de425c Mon Sep 17 00:00:00 2001
From: Mark Brand <mabrand@mabrand.nl>
Date: Thu, 30 Jul 2015 10:00:49 +0200
Subject: [PATCH 1/2] mingw-float

This patch has been taken from:
http://gcc.gnu.org/ml/gcc-patches/2010-06/msg00387.html
http://sourceforge.net/p/mingw/bugs/1809

diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h
index 805b84d..b9dcc48 100644
--- a/gcc/ginclude/float.h
+++ b/gcc/ginclude/float.h
@@ -263,3 +263,17 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #endif /* __STDC_WANT_DEC_FP__ */
 
 #endif /* _FLOAT_H___ */
+
+#ifdef __MINGW32__
+ /*
+  * the MinGW-supplied header, which is guarded by the
+  * _MINGW_FLOAT_H_ macro, may be found first, thus...
+  */
+#ifndef _MINGW_FLOAT_H_
+ /*
+  * ...when we didn't find the MinGW-supplied header first, we
+  * want to pull it in now; include_next should achieve this
+  */
+# include_next <float.h>
+#endif
+#endif
-- 
2.1.4


From b5497062665c4f4e2a9e10f6ec44817f845ebe17 Mon Sep 17 00:00:00 2001
From: Ilya Goncharov <zenbooster@gmail.com>
Date: Thu, 30 Jul 2015 10:04:07 +0200
Subject: [PATCH 2/2] intrinsics

This patch has been taken from:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56038

diff --git a/gcc/config/i386/adxintrin.h b/gcc/config/i386/adxintrin.h
index dd2a26c..2e680b3 100644
--- a/gcc/config/i386/adxintrin.h
+++ b/gcc/config/i386/adxintrin.h
@@ -28,5 +28,9 @@
 #ifndef _ADXINTRIN_H_INCLUDED
 #define _ADXINTRIN_H_INCLUDED
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline unsigned char
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
@@ -78,4 +82,8 @@ _addcarryx_u64 (unsigned char __CF, unsigned long long __X,
 }
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _ADXINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/ammintrin.h b/gcc/config/i386/ammintrin.h
index fb9a53f..341a1e4 100644
--- a/gcc/config/i386/ammintrin.h
+++ b/gcc/config/i386/ammintrin.h
@@ -36,6 +36,10 @@
 #define __DISABLE_SSE4A__
 #endif /* __SSE4A__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_stream_sd (double * __P, __m128d __Y)
 {
@@ -85,6 +89,10 @@ _mm_inserti_si64(__m128i __X, __m128i __Y, unsigned const int __I, unsigned cons
 				      (unsigned int)(I), (unsigned int)(L)))
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_SSE4A__
 #undef __DISABLE_SSE4A__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/avx2intrin.h b/gcc/config/i386/avx2intrin.h
index b2a2f48..6d9e7ce 100644
--- a/gcc/config/i386/avx2intrin.h
+++ b/gcc/config/i386/avx2intrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_AVX2__
 #endif /* __AVX2__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Sum absolute 8-bit integer difference of adjacent groups of 4
    byte integers in the first 2 operands.  Starting offsets within
    operands are determined by the 3rd mask operand.  */
@@ -1901,4 +1905,8 @@ _mm256_mask_i64gather_epi32 (__m128i src, int const *base,
 #pragma GCC pop_options
 #endif /* __DISABLE_AVX2__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _AVX2INTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/avxintrin.h b/gcc/config/i386/avxintrin.h
index f49fe9d..dc099b8 100644
--- a/gcc/config/i386/avxintrin.h
+++ b/gcc/config/i386/avxintrin.h
@@ -37,6 +37,10 @@
 #define __DISABLE_AVX__
 #endif /* __AVX__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Internal data types for implementing the intrinsics.  */
 typedef double __v4df __attribute__ ((__vector_size__ (32)));
 typedef float __v8sf __attribute__ ((__vector_size__ (32)));
@@ -1464,4 +1468,8 @@ _mm256_castsi128_si256 (__m128i __A)
 #pragma GCC pop_options
 #endif /* __DISABLE_AVX__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _AVXINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/bmi2intrin.h b/gcc/config/i386/bmi2intrin.h
index 9f4df77..af873b0 100644
--- a/gcc/config/i386/bmi2intrin.h
+++ b/gcc/config/i386/bmi2intrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_BMI2__
 #endif /* __BMI2__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline unsigned int
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _bzhi_u32 (unsigned int __X, unsigned int __Y)
@@ -106,4 +110,8 @@ _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
 #pragma GCC pop_options
 #endif /* __DISABLE_BMI2__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _BMI2INTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/bmiintrin.h b/gcc/config/i386/bmiintrin.h
index a2e966c..ebf541d 100644
--- a/gcc/config/i386/bmiintrin.h
+++ b/gcc/config/i386/bmiintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_BMI__
 #endif /* __BMI__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 __tzcnt_u16 (unsigned short __X)
 {
@@ -181,4 +185,8 @@ _tzcnt_u64 (unsigned long long __X)
 #pragma GCC pop_options
 #endif /* __DISABLE_BMI__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _BMIINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index f3ad4db..b145078 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -21,6 +21,10 @@
  * <http://www.gnu.org/licenses/>.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* %ecx */
 #define bit_SSE3	(1 << 0)
 #define bit_PCLMUL	(1 << 1)
@@ -242,3 +246,8 @@ __get_cpuid (unsigned int __level,
   __cpuid (__level, *__eax, *__ebx, *__ecx, *__edx);
   return 1;
 }
+
+#ifdef __cplusplus
+}
+#endif
+
diff --git a/gcc/config/i386/emmintrin.h b/gcc/config/i386/emmintrin.h
index b19f05a..64ef2d9 100644
--- a/gcc/config/i386/emmintrin.h
+++ b/gcc/config/i386/emmintrin.h
@@ -36,6 +36,10 @@
 #define __DISABLE_SSE2__
 #endif /* __SSE2__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* SSE2 */
 typedef double __v2df __attribute__ ((__vector_size__ (16)));
 typedef long long __v2di __attribute__ ((__vector_size__ (16)));
@@ -1535,6 +1539,10 @@ _mm_castps_pd(__m128 __A)
   return (__m128d) __A;
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_castps_si128(__m128 __A)
 {
diff --git a/gcc/config/i386/f16cintrin.h b/gcc/config/i386/f16cintrin.h
index d810a93..e2574ca 100644
--- a/gcc/config/i386/f16cintrin.h
+++ b/gcc/config/i386/f16cintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_F16C__
 #endif /* __F16C__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline float __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _cvtsh_ss (unsigned short __S)
 {
@@ -95,4 +99,8 @@ _mm256_cvtps_ph (__m256 __A, const int __I)
 #pragma GCC pop_options
 #endif /* __DISABLE_F16C__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _F16CINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/fma4intrin.h b/gcc/config/i386/fma4intrin.h
index 06668e8..8813ee4 100644
--- a/gcc/config/i386/fma4intrin.h
+++ b/gcc/config/i386/fma4intrin.h
@@ -37,6 +37,10 @@
 #define __DISABLE_FMA4__
 #endif /* __FMA4__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* 128b Floating point multiply/add type instructions.  */
 extern __inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_macc_ps (__m128 __A, __m128 __B, __m128 __C)
@@ -233,6 +237,10 @@ _mm256_msubadd_pd (__m256d __A, __m256d __B, __m256d __C)
   return (__m256d) __builtin_ia32_vfmaddsubpd256 ((__v4df)__A, (__v4df)__B, -(__v4df)__C);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_FMA4__
 #undef __DISABLE_FMA4__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/fmaintrin.h b/gcc/config/i386/fmaintrin.h
index 9128b4d..d4bdf5d 100644
--- a/gcc/config/i386/fmaintrin.h
+++ b/gcc/config/i386/fmaintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_FMA__
 #endif /* __FMA__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline __m128d
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_fmadd_pd (__m128d __A, __m128d __B, __m128d __C)
@@ -294,6 +298,10 @@ _mm256_fmsubadd_ps (__m256 __A, __m256 __B, __m256 __C)
                                                 -(__v8sf)__C);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_FMA__
 #undef __DISABLE_FMA__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/fxsrintrin.h b/gcc/config/i386/fxsrintrin.h
index a3932e0..aa5dfa4 100644
--- a/gcc/config/i386/fxsrintrin.h
+++ b/gcc/config/i386/fxsrintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_FXSR__
 #endif /* __FXSR__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _fxsave (void *__P)
@@ -70,4 +74,8 @@ _fxrstor64 (void *__P)
 #endif /* __DISABLE_FXSR__ */
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _FXSRINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/gmm_malloc.h b/gcc/config/i386/gmm_malloc.h
index 52b853c..de07c3c 100644
--- a/gcc/config/i386/gmm_malloc.h
+++ b/gcc/config/i386/gmm_malloc.h
@@ -27,6 +27,10 @@
 #include <stdlib.h>
 #include <errno.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 static __inline__ void* 
 _mm_malloc (size_t size, size_t align)
 {
@@ -71,4 +75,8 @@ _mm_free (void * aligned_ptr)
     free (((void **) aligned_ptr) [-1]);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _MM_MALLOC_H_INCLUDED */
diff --git a/gcc/config/i386/ia32intrin.h b/gcc/config/i386/ia32intrin.h
index 1f728c8..e8abf07 100644
--- a/gcc/config/i386/ia32intrin.h
+++ b/gcc/config/i386/ia32intrin.h
@@ -25,6 +25,10 @@
 # error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead."
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* 32bit bsf */
 extern __inline int
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
@@ -297,3 +301,7 @@ __writeeflags (unsigned int X)
 #define _rotwr(a,b)		__rorw((a), (b))
 #define _rotl(a,b)		__rold((a), (b))
 #define _rotr(a,b)		__rord((a), (b))
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/gcc/config/i386/immintrin.h b/gcc/config/i386/immintrin.h
index a1e9c3c..dfd9ea7 100644
--- a/gcc/config/i386/immintrin.h
+++ b/gcc/config/i386/immintrin.h
@@ -96,6 +96,10 @@ _rdrand16_step (unsigned short *__P)
   return __builtin_ia32_rdrand16_step (__P);
 }
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline int
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _rdrand32_step (unsigned int *__P)
@@ -192,4 +196,8 @@ _rdrand64_step (unsigned long long *__P)
 
 #endif /* __x86_64__  */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _IMMINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/lwpintrin.h b/gcc/config/i386/lwpintrin.h
index 714b565..a362d57 100644
--- a/gcc/config/i386/lwpintrin.h
+++ b/gcc/config/i386/lwpintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_LWP__
 #endif /* __LWP__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 __llwpcb (void *pcbAddress)
 {
@@ -71,6 +75,9 @@ __lwpval64 (unsigned long long data2, unsigned int data1, unsigned int flags)
 #endif
 #endif
 
+#ifdef __cplusplus
+}
+#endif
 
 #ifdef __OPTIMIZE__
 extern __inline unsigned char __attribute__((__gnu_inline__, __always_inline__, __artificial__))
diff --git a/gcc/config/i386/lzcntintrin.h b/gcc/config/i386/lzcntintrin.h
index 9f9f145..357940b 100644
--- a/gcc/config/i386/lzcntintrin.h
+++ b/gcc/config/i386/lzcntintrin.h
@@ -35,6 +35,10 @@
 #define __DISABLE_LZCNT__
 #endif /* __LZCNT__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 __lzcnt16 (unsigned short __X)
 {
@@ -72,4 +76,8 @@ _lzcnt_u64 (unsigned long long __X)
 #pragma GCC pop_options
 #endif /* __DISABLE_LZCNT__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _LZCNTINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/mm3dnow.h b/gcc/config/i386/mm3dnow.h
index 2a88997..1f22553 100644
--- a/gcc/config/i386/mm3dnow.h
+++ b/gcc/config/i386/mm3dnow.h
@@ -36,6 +36,10 @@
 #define __DISABLE_3dNOW__
 #endif /* __3dNOW__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _m_femms (void)
 {
@@ -210,6 +214,10 @@ _m_pswapd (__m64 __A)
 
 #endif /* __3dNOW_A__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_3dNOW__
 #undef __DISABLE_3dNOW__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/mmintrin.h b/gcc/config/i386/mmintrin.h
index d098473..1cb9e54 100644
--- a/gcc/config/i386/mmintrin.h
+++ b/gcc/config/i386/mmintrin.h
@@ -33,6 +33,10 @@
 #define __DISABLE_MMX__
 #endif /* __MMX__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* The Intel API is flexible enough that we must allow aliasing with other
    vector types, and their scalar components.  */
 typedef int __m64 __attribute__ ((__vector_size__ (8), __may_alias__));
@@ -939,4 +943,8 @@ _mm_set1_pi8 (char __b)
 #pragma GCC pop_options
 #endif /* __DISABLE_MMX__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _MMINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/pmm_malloc.h b/gcc/config/i386/pmm_malloc.h
index 901001b..79abf65 100644
--- a/gcc/config/i386/pmm_malloc.h
+++ b/gcc/config/i386/pmm_malloc.h
@@ -34,6 +34,10 @@ extern int posix_memalign (void **, size_t, size_t);
 extern "C" int posix_memalign (void **, size_t, size_t) throw ();
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 static __inline void *
 _mm_malloc (size_t size, size_t alignment)
 {
@@ -54,4 +58,8 @@ _mm_free (void * ptr)
   free (ptr);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _MM_MALLOC_H_INCLUDED */
diff --git a/gcc/config/i386/pmmintrin.h b/gcc/config/i386/pmmintrin.h
index feb42de..ac1c3c6 100644
--- a/gcc/config/i386/pmmintrin.h
+++ b/gcc/config/i386/pmmintrin.h
@@ -36,6 +36,10 @@
 #define __DISABLE_SSE3__
 #endif /* __SSE3__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Additional bits in the MXCSR.  */
 #define _MM_DENORMALS_ZERO_MASK		0x0040
 #define _MM_DENORMALS_ZERO_ON		0x0040
@@ -124,6 +128,10 @@ _mm_mwait (unsigned int __E, unsigned int __H)
   __builtin_ia32_mwait (__E, __H);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_SSE3__
 #undef __DISABLE_SSE3__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/popcntintrin.h b/gcc/config/i386/popcntintrin.h
index d5ccf31..15e8783 100644
--- a/gcc/config/i386/popcntintrin.h
+++ b/gcc/config/i386/popcntintrin.h
@@ -30,6 +30,10 @@
 #define __DISABLE_POPCNT__
 #endif /* __POPCNT__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Calculate a number of bits set to 1.  */
 extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_popcnt_u32 (unsigned int __X)
@@ -50,4 +54,8 @@ _mm_popcnt_u64 (unsigned long long __X)
 #pragma GCC pop_options
 #endif  /* __DISABLE_POPCNT__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _POPCNTINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/prfchwintrin.h b/gcc/config/i386/prfchwintrin.h
index 2f15716..23ae144 100644
--- a/gcc/config/i386/prfchwintrin.h
+++ b/gcc/config/i386/prfchwintrin.h
@@ -28,10 +28,18 @@
 #ifndef _PRFCHWINTRIN_H_INCLUDED
 #define _PRFCHWINTRIN_H_INCLUDED
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _m_prefetchw (void *__P)
 {
   __builtin_prefetch (__P, 1, 3 /* _MM_HINT_T0 */);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _PRFCHWINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/rdseedintrin.h b/gcc/config/i386/rdseedintrin.h
index b65fbc9..36f3ecd 100644
--- a/gcc/config/i386/rdseedintrin.h
+++ b/gcc/config/i386/rdseedintrin.h
@@ -35,6 +35,10 @@
 #endif /* __RDSEED__ */
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline int
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _rdseed16_step (unsigned short *p)
@@ -63,4 +67,8 @@ _rdseed64_step (unsigned long long *p)
 #pragma GCC pop_options
 #endif /* __DISABLE_RDSEED__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _RDSEEDINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/rtmintrin.h b/gcc/config/i386/rtmintrin.h
index 6396c9d..c12f499 100644
--- a/gcc/config/i386/rtmintrin.h
+++ b/gcc/config/i386/rtmintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_RTM__
 #endif /* __RTM__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define _XBEGIN_STARTED		(~0u)
 #define _XABORT_EXPLICIT	(1 << 0)
 #define _XABORT_RETRY		(1 << 1)
@@ -81,4 +85,8 @@ _xabort (const unsigned int imm)
 #pragma GCC pop_options
 #endif /* __DISABLE_RTM__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _RTMINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/smmintrin.h b/gcc/config/i386/smmintrin.h
index b078780..39d969d 100644
--- a/gcc/config/i386/smmintrin.h
+++ b/gcc/config/i386/smmintrin.h
@@ -37,6 +37,10 @@
 #define __DISABLE_SSE4_1__
 #endif /* __SSE4_1__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Rounding mode macros. */
 #define _MM_FROUND_TO_NEAREST_INT	0x00
 #define _MM_FROUND_TO_NEG_INF		0x01
@@ -822,6 +826,10 @@ _mm_cmpgt_epi64 (__m128i __X, __m128i __Y)
 #define __DISABLE_SSE4_2__
 #endif /* __SSE4_1__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 /* Accumulate CRC32 (polynomial 0x11EDC6F41) value.  */
 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_crc32_u8 (unsigned int __C, unsigned char __V)
diff --git a/gcc/config/i386/tbmintrin.h b/gcc/config/i386/tbmintrin.h
index cc265bb..a0b3710 100644
--- a/gcc/config/i386/tbmintrin.h
+++ b/gcc/config/i386/tbmintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_TBM__
 #endif /* __TBM__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifdef __OPTIMIZE__
 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 __bextri_u32 (unsigned int __X, const unsigned int __I)
@@ -177,4 +181,8 @@ __tzmsk_u64 (unsigned long long __X)
 #pragma GCC pop_options
 #endif /* __DISABLE_TBM__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _TBMINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/tmmintrin.h b/gcc/config/i386/tmmintrin.h
index ac2e343..f9b54f0 100644
--- a/gcc/config/i386/tmmintrin.h
+++ b/gcc/config/i386/tmmintrin.h
@@ -36,6 +36,10 @@
 #define __DISABLE_SSSE3__
 #endif /* __SSSE3__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_hadd_epi16 (__m128i __X, __m128i __Y)
 {
@@ -241,6 +245,10 @@ _mm_abs_pi32 (__m64 __X)
   return (__m64) __builtin_ia32_pabsd ((__v2si)__X);
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_SSSE3__
 #undef __DISABLE_SSSE3__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/wmmintrin.h b/gcc/config/i386/wmmintrin.h
index 37eac1f..c98e0af 100644
--- a/gcc/config/i386/wmmintrin.h
+++ b/gcc/config/i386/wmmintrin.h
@@ -30,6 +30,10 @@
 /* We need definitions from the SSE2 header file.  */
 #include <emmintrin.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* AES */
 
 #ifndef __AES__
@@ -124,6 +128,10 @@ _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
 					  (__v2di)(__m128i)(Y), (int)(I)))
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_PCLMUL__
 #undef __DISABLE_PCLMUL__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/xmmintrin.h b/gcc/config/i386/xmmintrin.h
index 9cd3fa7..9334f27 100644
--- a/gcc/config/i386/xmmintrin.h
+++ b/gcc/config/i386/xmmintrin.h
@@ -64,6 +64,10 @@ _mm_prefetch (const void *__P, enum _mm_hint __I)
 #define __DISABLE_SSE__
 #endif /* __SSE__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* The Intel API is flexible enough that we must allow aliasing with other
    vector types, and their scalar components.  */
 typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));
@@ -1245,6 +1249,10 @@ do {									\
   (row3) = __builtin_ia32_movhlps (__t3, __t2);				\
 } while (0)
 
+#ifdef __cplusplus
+}
+#endif
+
 /* For backward source compatibility.  */
 # include <emmintrin.h>
 
diff --git a/gcc/config/i386/xopintrin.h b/gcc/config/i386/xopintrin.h
index 6573767..e70ff21 100644
--- a/gcc/config/i386/xopintrin.h
+++ b/gcc/config/i386/xopintrin.h
@@ -36,6 +36,10 @@
 #define __DISABLE_XOP__
 #endif /* __XOP__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Integer multiply/add intructions. */
 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_maccs_epi16(__m128i __A, __m128i __B, __m128i __C)
@@ -836,6 +840,10 @@ _mm256_permute2_ps (__m256 __X, __m256 __Y, __m256i __C, const int __I)
  					  (int)(I)))
 #endif /* __OPTIMIZE__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #ifdef __DISABLE_XOP__
 #undef __DISABLE_XOP__
 #pragma GCC pop_options
diff --git a/gcc/config/i386/xsaveintrin.h b/gcc/config/i386/xsaveintrin.h
index 614fcf6..a4f33d7 100644
--- a/gcc/config/i386/xsaveintrin.h
+++ b/gcc/config/i386/xsaveintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_XSAVE__
 #endif /* __XSAVE__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _xsave (void *__P, long long __M)
@@ -69,4 +73,8 @@ _xrstor64 (void *__P, long long __M)
 #pragma GCC pop_options
 #endif /* __DISABLE_XSAVE__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _XSAVEINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/xsaveoptintrin.h b/gcc/config/i386/xsaveoptintrin.h
index 7f71c01..c195951 100644
--- a/gcc/config/i386/xsaveoptintrin.h
+++ b/gcc/config/i386/xsaveoptintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_XSAVEOPT__
 #endif /* __XSAVEOPT__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern __inline void
 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _xsaveopt (void *__P, long long __M)
@@ -55,4 +59,8 @@ _xsaveopt64 (void *__P, long long __M)
 #pragma GCC pop_options
 #endif /* __DISABLE_XSAVEOPT__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _XSAVEOPTINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/xtestintrin.h b/gcc/config/i386/xtestintrin.h
index 026e60b..6a78c42 100644
--- a/gcc/config/i386/xtestintrin.h
+++ b/gcc/config/i386/xtestintrin.h
@@ -34,6 +34,10 @@
 #define __DISABLE_RTM__
 #endif /* __RTM__ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Return non-zero if the instruction executes inside an RTM or HLE code
    region.  Return zero otherwise.   */
 extern __inline int
@@ -48,4 +52,8 @@ _xtest (void)
 #pragma GCC pop_options
 #endif /* __DISABLE_RTM__ */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _XTESTINTRIN_H_INCLUDED */
-- 
2.1.4