Merge branch 'master' into isa/arm64

[lunaix-os.git] / lunaix-os / includes / lunaix / compiler.h

diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h
index 178c0fedd598a91544d8cbaac81133942ba0430b..d498f536bbfef5ba362aed8296905a03d15222a4 100644 (file)
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -13,18 +13,22 @@
 #define must_emit               __attribute__((used))
 #define unreachable             __builtin_unreachable()
 #define no_inline               __attribute__((noinline))
+#define asmlinkage              
 
 #define _default                weak
 
 #define msbiti                  (sizeof(int) * 8 - 1)
 #define clz(bits)               __builtin_clz(bits)
+#define ctz(bits)               __builtin_ctz(bits)
 
 #ifdef CONFIG_ARCH_BITS_64
 #define msbitl                  (sizeof(long) * 8 - 1)
 #define clzl(bits)              __builtin_clzl(bits)
+#define ctzl(bits)              __builtin_ctzl(bits)
 #else
 #define msbitl                  msbiti
 #define clzl(bits)              clz(bits)
+#define ctzl(bits)              ctz(bits)
 #endif
 
 #define sadd_of(a, b, of)       __builtin_sadd_overflow(a, b, of)
@@ -32,6 +36,8 @@
 #define umul_of(a, b, of)       __builtin_umul_overflow(a, b, of)
 #define umull_of(a, b, of)      __builtin_umull_overflow(a, b, of)
 #define offsetof(f, m)          __builtin_offsetof(f, m)
+#define select(cond, y, n)      __builtin_choose_expr(cond, y, n)
+#define is_const(v)             __builtin_constant_p(v)
 
 #define prefetch_rd(ptr, ll)    __builtin_prefetch((ptr), 0, ll)
 #define prefetch_wr(ptr, ll)    __builtin_prefetch((ptr), 1, ll)
@@ -58,4 +64,9 @@ spin()
     unreachable;
 }
 
+#ifdef CONFIG_ARCH_X86_32
+#undef  asmlinkage
+#define asmlinkage      __attribute__((regparm(0)))
+#endif
+
 #endif /* __LUNAIX_COMPILER_H */