--- /dev/null
+/* Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GCC is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ 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/>. */
+
+#ifndef _X86INTRIN_H_INCLUDED
+# error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+/* 32bit bsf */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bsfd (int __X)
+{
+ return __builtin_ctz (__X);
+}
+
+/* 32bit bsr */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bsrd (int __X)
+{
+ return __builtin_ia32_bsrsi (__X);
+}
+
+/* 32bit bswap */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bswapd (int __X)
+{
+ return __builtin_bswap32 (__X);
+}
+
+#ifdef __SSE4_2__
+/* 32bit accumulate CRC32 (polynomial 0x11EDC6F41) value. */
+extern __inline unsigned int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__crc32b (unsigned int __C, unsigned char __V)
+{
+ return __builtin_ia32_crc32qi (__C, __V);
+}
+
+extern __inline unsigned int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__crc32w (unsigned int __C, unsigned short __V)
+{
+ return __builtin_ia32_crc32hi (__C, __V);
+}
+
+extern __inline unsigned int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__crc32d (unsigned int __C, unsigned int __V)
+{
+ return __builtin_ia32_crc32si (__C, __V);
+}
+#endif /* SSE4.2 */
+
+/* 32bit popcnt */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__popcntd (unsigned int __X)
+{
+ return __builtin_popcount (__X);
+}
+
+/* rdpmc */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rdpmc (int __S)
+{
+ return __builtin_ia32_rdpmc (__S);
+}
+
+/* rdtsc */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rdtsc (void)
+{
+ return __builtin_ia32_rdtsc ();
+}
+
+/* rdtscp */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rdtscp (unsigned int *__A)
+{
+ return __builtin_ia32_rdtscp (__A);
+}
+
+/* 8bit rol */
+extern __inline unsigned char
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rolb (unsigned char __X, int __C)
+{
+ return __builtin_ia32_rolqi (__X, __C);
+}
+
+/* 16bit rol */
+extern __inline unsigned short
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rolw (unsigned short __X, int __C)
+{
+ return __builtin_ia32_rolhi (__X, __C);
+}
+
+/* 32bit rol */
+extern __inline unsigned int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rold (unsigned int __X, int __C)
+{
+ return (__X << __C) | (__X >> (32 - __C));
+}
+
+/* 8bit ror */
+extern __inline unsigned char
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rorb (unsigned char __X, int __C)
+{
+ return __builtin_ia32_rorqi (__X, __C);
+}
+
+/* 16bit ror */
+extern __inline unsigned short
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rorw (unsigned short __X, int __C)
+{
+ return __builtin_ia32_rorhi (__X, __C);
+}
+
+/* 32bit ror */
+extern __inline unsigned int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rord (unsigned int __X, int __C)
+{
+ return (__X >> __C) | (__X << (32 - __C));
+}
+
+/* Pause */
+extern __inline void
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__pause (void)
+{
+ __builtin_ia32_pause ();
+}
+
+#ifdef __x86_64__
+/* 64bit bsf */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bsfq (long long __X)
+{
+ return __builtin_ctzll (__X);
+}
+
+/* 64bit bsr */
+extern __inline int
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bsrq (long long __X)
+{
+ return __builtin_ia32_bsrdi (__X);
+}
+
+/* 64bit bswap */
+extern __inline long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__bswapq (long long __X)
+{
+ return __builtin_bswap64 (__X);
+}
+
+#ifdef __SSE4_2__
+/* 64bit accumulate CRC32 (polynomial 0x11EDC6F41) value. */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__crc32q (unsigned long long __C, unsigned long long __V)
+{
+ return __builtin_ia32_crc32di (__C, __V);
+}
+#endif
+
+/* 64bit popcnt */
+extern __inline long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__popcntq (unsigned long long __X)
+{
+ return __builtin_popcountll (__X);
+}
+
+/* 64bit rol */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rolq (unsigned long long __X, int __C)
+{
+ return (__X << __C) | (__X >> (64 - __C));
+}
+
+/* 64bit ror */
+extern __inline unsigned long long
+__attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__rorq (unsigned long long __X, int __C)
+{
+ return (__X >> __C) | (__X << (64 - __C));
+}
+
+#define _bswap64(a) __bswapq(a)
+#define _popcnt64(a) __popcntq(a)
+#define _lrotl(a,b) __rolq((a), (b))
+#define _lrotr(a,b) __rorq((a), (b))
+#else
+#define _lrotl(a,b) __rold((a), (b))
+#define _lrotr(a,b) __rord((a), (b))
+#endif
+
+#define _bit_scan_forward(a) __bsfd(a)
+#define _bit_scan_reverse(a) __bsrd(a)
+#define _bswap(a) __bswapd(a)
+#define _popcnt32(a) __popcntd(a)
+#define _rdpmc(a) __rdpmc(a)
+#define _rdtsc() __rdtsc()
+#define _rdtscp(a) __rdtscp(a)
+#define _rotwl(a,b) __rolw((a), (b))
+#define _rotwr(a,b) __rorw((a), (b))
+#define _rotl(a,b) __rold((a), (b))
+#define _rotr(a,b) __rord((a), (b))
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