#ifndef __ALPHA_COMPILER_H#define __ALPHA_COMPILER_H /* * Herein are macros we use when describing various patterns we want to GCC. * In all cases we can get better schedules out of the compiler if we hide * as little as possible inside inline assembly. However, we want to be * able to know what we'll get out before giving up inline assembly. Thus * these tests and macros. */ #if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift)# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift)# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift)# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift)# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift)# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift)# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b)# define __kernel_cttz(x) __builtin_ctzl(x)# define __kernel_ctlz(x) __builtin_clzl(x)# define __kernel_ctpop(x) __builtin_popcountl(x)#else# define __kernel_insbl(val, shift) \ ({ unsigned long __kir; \ __asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_inswl(val, shift) \ ({ unsigned long __kir; \ __asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_insql(val, shift) \ ({ unsigned long __kir; \ __asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_inslh(val, shift) \ ({ unsigned long __kir; \ __asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_extbl(val, shift) \ ({ unsigned long __kir; \ __asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_extwl(val, shift) \ ({ unsigned long __kir; \ __asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \ __kir; })# define __kernel_cmpbge(a, b) \ ({ unsigned long __kir; \ __asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \ __kir; })# define __kernel_cttz(x) \ ({ unsigned long __kir; \ __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \ __kir; })# define __kernel_ctlz(x) \ ({ unsigned long __kir; \ __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ __kir; })# define __kernel_ctpop(x) \ ({ unsigned long __kir; \ __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \ __kir; })#endif /* * Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX * extension is enabled. Previous versions did not define anything * we could test during compilation -- too bad, so sad. */ #if defined(__alpha_bwx__)#define __kernel_ldbu(mem) (mem)#define __kernel_ldwu(mem) (mem)#define __kernel_stb(val,mem) ((mem) = (val))#define __kernel_stw(val,mem) ((mem) = (val))#else#define __kernel_ldbu(mem) \ ({ unsigned char __kir; \ __asm__("ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \ __kir; })#define __kernel_ldwu(mem) \ ({ unsigned short __kir; \ __asm__("ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \ __kir; })#define __kernel_stb(val,mem) \ __asm__("stb %1,%0" : "=m"(mem) : "r"(val))#define __kernel_stw(val,mem) \ __asm__("stw %1,%0" : "=m"(mem) : "r"(val))#endif /* Some idiots over in <linux/compiler.h> thought inline should imply always_inline. This breaks stuff. We'll include this file whenever we run into such problems. */ #include <linux/compiler.h>#undef inline#undef __inline__#undef __inline#undef __always_inline#define __always_inline inline __attribute__((always_inline)) #endif /* __ALPHA_COMPILER_H */
#ifndef __ALPHA_COMPILER_H
#define __ALPHA_COMPILER_H
/*
* Herein are macros we use when describing various patterns we want to GCC.
* In all cases we can get better schedules out of the compiler if we hide
* as little as possible inside inline assembly. However, we want to be
* able to know what we'll get out before giving up inline assembly. Thus
* these tests and macros.
*/
#if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3
# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift)
# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift)
# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift)
# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift)
# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift)
# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift)
# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b)
# define __kernel_cttz(x) __builtin_ctzl(x)
# define __kernel_ctlz(x) __builtin_clzl(x)
# define __kernel_ctpop(x) __builtin_popcountl(x)
#else
# define __kernel_insbl(val, shift) \
({ unsigned long __kir; \
__asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_inswl(val, shift) \
({ unsigned long __kir; \
__asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_insql(val, shift) \
({ unsigned long __kir; \
__asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_inslh(val, shift) \
({ unsigned long __kir; \
__asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_extbl(val, shift) \
({ unsigned long __kir; \
__asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_extwl(val, shift) \
({ unsigned long __kir; \
__asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
__kir; })
# define __kernel_cmpbge(a, b) \
({ unsigned long __kir; \
__asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \
__kir; })
# define __kernel_cttz(x) \
({ unsigned long __kir; \
__asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
# define __kernel_ctlz(x) \
({ unsigned long __kir; \
__asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
# define __kernel_ctpop(x) \
({ unsigned long __kir; \
__asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
#endif
/*
* Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX
* extension is enabled. Previous versions did not define anything
* we could test during compilation -- too bad, so sad.
*/
#if defined(__alpha_bwx__)
#define __kernel_ldbu(mem) (mem)
#define __kernel_ldwu(mem) (mem)
#define __kernel_stb(val,mem) ((mem) = (val))
#define __kernel_stw(val,mem) ((mem) = (val))
#else
#define __kernel_ldbu(mem) \
({ unsigned char __kir; \
__asm__("ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
__kir; })
#define __kernel_ldwu(mem) \
({ unsigned short __kir; \
__asm__("ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
__kir; })
#define __kernel_stb(val,mem) \
__asm__("stb %1,%0" : "=m"(mem) : "r"(val))
#define __kernel_stw(val,mem) \
__asm__("stw %1,%0" : "=m"(mem) : "r"(val))
#endif
/* Some idiots over in <linux/compiler.h> thought inline should imply
always_inline. This breaks stuff. We'll include this file whenever
we run into such problems. */
#include <linux/compiler.h>
#undef inline
#undef __inline__
#undef __inline
#undef __always_inline
#define __always_inline inline __attribute__((always_inline))
#endif /* __ALPHA_COMPILER_H */