1 files changed, 142 insertions, 0 deletions
diff --git a/include/gcc/ck_cc.h b/include/gcc/ck_cc.h
new file mode 100644
index 0000000..a14a4b5
--- /dev/null
+++ b/include/gcc/ck_cc.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2009-2015 Samy Al Bahra.
+ * Copyright 2014 Paul Khuong.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef CK_GCC_CC_H
+#define CK_GCC_CC_H
+
+#include <ck_md.h>
+
+#ifdef __SUNPRO_C
+#define CK_CC_UNUSED
+#define CK_CC_USED
+#define CK_CC_IMM
+#define CK_CC_IMM_U32
+#else
+#define CK_CC_UNUSED __attribute__((unused))
+#define CK_CC_USED   __attribute__((used))
+#define CK_CC_IMM "i"
+#if defined(__x86_64__) || defined(__x86__)
+#define CK_CC_IMM_U32 "Z"
+#define CK_CC_IMM_S32 "e"
+#else
+#define CK_CC_IMM_U32 CK_CC_IMM
+#define CK_CC_IMM_S32 CK_CC_IMM
+#endif /* __x86_64__ || __x86__ */
+#endif
+
+#ifdef __OPTIMIZE__
+#define CK_CC_INLINE CK_CC_UNUSED inline
+#else
+#define CK_CC_INLINE CK_CC_UNUSED
+#endif
+
+#define CK_CC_FORCE_INLINE CK_CC_UNUSED __attribute__((always_inline)) inline
+#define CK_CC_RESTRICT __restrict__
+
+/*
+ * Packed attribute.
+ */
+#define CK_CC_PACKED __attribute__((packed))
+
+/*
+ * Weak reference.
+ */
+#define CK_CC_WEAKREF __attribute__((weakref))
+
+/*
+ * Alignment attribute.
+ */
+#define CK_CC_ALIGN(B) __attribute__((aligned(B)))
+
+/*
+ * Cache align.
+ */
+#define CK_CC_CACHELINE CK_CC_ALIGN(CK_MD_CACHELINE)
+
+/*
+ * These are functions which should be avoided.
+ */
+#ifdef __freestanding__
+#pragma GCC poison malloc free
+#endif
+
+/*
+ * Branch execution hints.
+ */
+#define CK_CC_LIKELY(x) (__builtin_expect(!!(x), 1))
+#define CK_CC_UNLIKELY(x) (__builtin_expect(!!(x), 0))
+
+/*
+ * Some compilers are overly strict regarding aliasing semantics.
+ * Unfortunately, in many cases it makes more sense to pay aliasing
+ * cost rather than overly expensive register spillage.
+ */
+#define CK_CC_ALIASED __attribute__((__may_alias__))
+
+/*
+ * Compile-time typeof
+ */
+#define CK_CC_TYPEOF(X, DEFAULT) __typeof__(X)
+
+/*
+ * Portability wrappers for bitwise ops.
+ */
+
+#define CK_F_CC_FFS
+#define CK_F_CC_CLZ
+#define CK_F_CC_CTZ
+#define CK_F_CC_POPCOUNT
+
+CK_CC_INLINE static int
+ck_cc_ffs(unsigned int x)
+{
+
+	return __builtin_ffs(x);
+}
+
+CK_CC_INLINE static int
+ck_cc_clz(unsigned int x)
+{
+
+	return __builtin_clz(x);
+}
+
+CK_CC_INLINE static int
+ck_cc_ctz(unsigned int x)
+{
+
+	return __builtin_ctz(x);
+}
+
+CK_CC_INLINE static int
+ck_cc_popcount(unsigned int x)
+{
+
+	return __builtin_popcount(x);
+}
+
+#endif /* CK_GCC_CC_H */