diff options
Diffstat (limited to 'arch/alpha/include/asm/compiler.h')
| -rw-r--r-- | arch/alpha/include/asm/compiler.h | 115 |
1 files changed, 1 insertions, 114 deletions
diff --git a/arch/alpha/include/asm/compiler.h b/arch/alpha/include/asm/compiler.h index da6bb199839..a7720b96bcc 100644 --- a/arch/alpha/include/asm/compiler.h +++ b/arch/alpha/include/asm/compiler.h @@ -1,119 +1,8 @@ #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. - */ +#include <uapi/asm/compiler.h> -#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) -#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; }) -#endif - -#ifdef __alpha_cix__ -# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 -# define __kernel_cttz(x) __builtin_ctzl(x) -# define __kernel_ctlz(x) __builtin_clzl(x) -# define __kernel_ctpop(x) __builtin_popcountl(x) -# else -# 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 -#else -# define __kernel_cttz(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; cttz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctlz(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; ctlz %1,%0" : "=r"(__kir) : "r"(x)); \ - __kir; }) -# define __kernel_ctpop(x) \ - ({ unsigned long __kir; \ - __asm__(".arch ev67; 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__(".arch ev56; \ - ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \ - __kir; }) -#define __kernel_ldwu(mem) \ - ({ unsigned short __kir; \ - __asm__(".arch ev56; \ - ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \ - __kir; }) -#define __kernel_stb(val,mem) \ - __asm__(".arch ev56; \ - stb %1,%0" : "=m"(mem) : "r"(val)) -#define __kernel_stw(val,mem) \ - __asm__(".arch ev56; \ - stw %1,%0" : "=m"(mem) : "r"(val)) -#endif - -#ifdef __KERNEL__ /* 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. */ @@ -125,6 +14,4 @@ #undef __always_inline #define __always_inline inline __attribute__((always_inline)) -#endif /* __KERNEL__ */ - #endif /* __ALPHA_COMPILER_H */ |