endif
ifneq ($(USE_REGPARM),)
-OPTIONS_CFLAGS += -DCONFIG_HAP_USE_REGPARM
+OPTIONS_CFLAGS += -DCONFIG_REGPARM=3
BUILD_OPTIONS += $(call ignore_implicit,USE_REGPARM)
endif
--- /dev/null
+/*
+ * ebtree/compiler.h
+ * This files contains some compiler-specific settings.
+ *
+ * Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <common/compiler.h>
+
#define _EBTREE_H
#include <stdlib.h>
+#include "compiler.h"
/* Note: we never need to run fls on null keys, so we can optimize the fls
* function by removing a conditional jump.
#define container_of(ptr, type, name) ((type *)(((void *)(ptr)) - ((long)&((type *)0)->name)))
#endif
-/*
- * Gcc >= 3 provides the ability for the program to give hints to the compiler
- * about what branch of an if is most likely to be taken. This helps the
- * compiler produce the most compact critical paths, which is generally better
- * for the cache and to reduce the number of jumps. Be very careful not to use
- * this in inline functions, because the code reordering it causes very often
- * has a negative impact on the calling functions.
- */
-#if !defined(likely)
-#if __GNUC__ < 3
-#define __builtin_expect(x,y) (x)
-#define likely(x) (x)
-#define unlikely(x) (x)
-#elif __GNUC__ < 4
-/* gcc 3.x does the best job at this */
-#define likely(x) (__builtin_expect((x) != 0, 1))
-#define unlikely(x) (__builtin_expect((x) != 0, 0))
-#else
-/* GCC 4.x is stupid, it performs the comparison then compares it to 1,
- * so we cheat in a dirty way to prevent it from doing this. This will
- * only work with ints and booleans though.
- */
-#define likely(x) (x)
-#define unlikely(x) (__builtin_expect((unsigned long)(x), 0))
-#endif
-#endif
-
-/* By default, gcc does not inline large chunks of code, but we want it to
- * respect our choices.
- */
-#if !defined(forceinline)
-#if __GNUC__ < 3
-#define forceinline inline
-#else
-#define forceinline inline __attribute__((always_inline))
-#endif
-#endif
-
-/* Support passing function parameters in registers. For this, the
- * CONFIG_EBTREE_REGPARM macro has to be set to the maximal number of registers
- * allowed. Some functions have intentionally received a regparm lower than
- * their parameter count, it is in order to avoid register clobbering where
- * they are called.
- */
-#ifndef REGPRM1
-#if CONFIG_EBTREE_REGPARM >= 1
-#define REGPRM1 __attribute__((regparm(1)))
-#else
-#define REGPRM1
-#endif
-#endif
-
-#ifndef REGPRM2
-#if CONFIG_EBTREE_REGPARM >= 2
-#define REGPRM2 __attribute__((regparm(2)))
-#else
-#define REGPRM2 REGPRM1
-#endif
-#endif
-
-#ifndef REGPRM3
-#if CONFIG_EBTREE_REGPARM >= 3
-#define REGPRM3 __attribute__((regparm(3)))
-#else
-#define REGPRM3 REGPRM2
-#endif
-#endif
-
/* Number of bits per node, and number of leaves per node */
#define EB_NODE_BITS 1
#define EB_NODE_BRANCHES (1 << EB_NODE_BITS)
#ifndef _COMMON_COMPAT_H
#define _COMMON_COMPAT_H
-/*
- * Gcc before 3.0 needs [0] to declare a variable-size array
- */
-#if __GNUC__ < 3
-#define VAR_ARRAY 0
-#else
-#define VAR_ARRAY
-#endif
-
/* This is needed on Linux for Netfilter includes */
#include <sys/socket.h>
#include <sys/types.h>
--- /dev/null
+/*
+ * include/common/compiler.h
+ * This files contains some compiler-specific settings.
+ *
+ * Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _COMMON_COMPILER_H
+#define _COMMON_COMPILER_H
+
+
+/*
+ * Gcc before 3.0 needs [0] to declare a variable-size array
+ */
+#ifndef VAR_ARRAY
+#if __GNUC__ < 3
+#define VAR_ARRAY 0
+#else
+#define VAR_ARRAY
+#endif
+#endif
+
+
+/* Support passing function parameters in registers. For this, the
+ * CONFIG_REGPARM macro has to be set to the maximal number of registers
+ * allowed. Some functions have intentionally received a regparm lower than
+ * their parameter count, it is in order to avoid register clobbering where
+ * they are called.
+ */
+#ifndef REGPRM1
+#if CONFIG_REGPARM >= 1 && __GNUC__ >= 3
+#define REGPRM1 __attribute__((regparm(1)))
+#else
+#define REGPRM1
+#endif
+#endif
+
+#ifndef REGPRM2
+#if CONFIG_REGPARM >= 2 && __GNUC__ >= 3
+#define REGPRM2 __attribute__((regparm(2)))
+#else
+#define REGPRM2 REGPRM1
+#endif
+#endif
+
+#ifndef REGPRM3
+#if CONFIG_REGPARM >= 3 && __GNUC__ >= 3
+#define REGPRM3 __attribute__((regparm(3)))
+#else
+#define REGPRM3 REGPRM2
+#endif
+#endif
+
+
+/* By default, gcc does not inline large chunks of code, but we want it to
+ * respect our choices.
+ */
+#if !defined(forceinline)
+#if __GNUC__ < 3
+#define forceinline inline
+#else
+#define forceinline inline __attribute__((always_inline))
+#endif
+#endif
+
+
+/*
+ * Gcc >= 3 provides the ability for the programme to give hints to the
+ * compiler about what branch of an if is most likely to be taken. This
+ * helps the compiler produce the most compact critical paths, which is
+ * generally better for the cache and to reduce the number of jumps.
+ */
+#if !defined(likely)
+#if __GNUC__ < 3
+#define __builtin_expect(x,y) (x)
+#define likely(x) (x)
+#define unlikely(x) (x)
+#elif __GNUC__ < 4
+/* gcc 3.x does the best job at this */
+#define likely(x) (__builtin_expect((x) != 0, 1))
+#define unlikely(x) (__builtin_expect((x) != 0, 0))
+#else
+/* GCC 4.x is stupid, it performs the comparison then compares it to 1,
+ * so we cheat in a dirty way to prevent it from doing this. This will
+ * only work with ints and booleans though.
+ */
+#define likely(x) (x)
+#define unlikely(x) (__builtin_expect((unsigned long)(x), 0))
+#endif
+#endif
+
+
+#endif /* _COMMON_COMPILER_H */
/*
- include/common/config.h
- This files contains most of the user-configurable settings.
-
- Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation, version 2.1
- exclusively.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ * include/common/config.h
+ * This files contains most of the user-configurable settings.
+ *
+ * Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#ifndef _COMMON_CONFIG_H
#define _COMMON_CONFIG_H
+#include <common/compiler.h>
#include <common/defaults.h>
/* this reduces the number of calls to select() by choosing appropriate
*/
//#undef CONFIG_HAP_INLINE_FD_SET
-/* CONFIG_HAP_USE_REGPARM
- * This enables the use of register parameters for some functions where
- * it may improve performance by a measurable factor. This MUST NOT be
- * enabled on gcc < 3 because it is ignored for function pointers.
- */
-#if CONFIG_HAP_USE_REGPARM && __GNUC__ >= 3
-#define REGPRM1 __attribute__((regparm(1)))
-#define REGPRM2 __attribute__((regparm(2)))
-#define REGPRM3 __attribute__((regparm(3)))
-#else
-#define REGPRM1
-#define REGPRM2
-#define REGPRM3
-#endif
-
-/* By default, gcc does not inline large chunks of code, but we want it to
- * respect our choices.
- */
-#if !defined(forceinline)
-#if __GNUC__ < 3
-#define forceinline inline
-#else
-#define forceinline inline __attribute__((always_inline))
-#endif
-#endif
-
#endif /* _COMMON_CONFIG_H */
/*
- include/common/standard.h
- This files contains some general purpose functions and macros.
-
- Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation, version 2.1
- exclusively.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ * include/common/standard.h
+ * This files contains some general purpose functions and macros.
+ *
+ * Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#ifndef _COMMON_STANDARD_H
#define _COMMON_STANDARD_H
* power of 2, and 0 otherwise */
#define POWEROF2(x) (((x) & ((x)-1)) == 0)
-/*
- * Gcc >= 3 provides the ability for the programme to give hints to the
- * compiler about what branch of an if is most likely to be taken. This
- * helps the compiler produce the most compact critical paths, which is
- * generally better for the cache and to reduce the number of jumps.
- */
-#if !defined(likely)
-#if __GNUC__ < 3
-#define __builtin_expect(x,y) (x)
-#define likely(x) (x)
-#define unlikely(x) (x)
-#elif __GNUC__ < 4
-/* gcc 3.x does the best job at this */
-#define likely(x) (__builtin_expect((x) != 0, 1))
-#define unlikely(x) (__builtin_expect((x) != 0, 0))
-#else
-/* GCC 4.x is stupid, it performs the comparison then compares it to 1,
- * so we cheat in a dirty way to prevent it from doing this. This will
- * only work with ints and booleans though.
- */
-#define likely(x) (x)
-#define unlikely(x) (__builtin_expect((unsigned long)(x), 0))
-#endif
-#endif
-
/*
* copies at most <size-1> chars from <src> to <dst>. Last char is always
* set to 0, unless <size> is 0. The number of chars copied is returned
projects / thirdparty / haproxy.git / commitdiff
