diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bits.h | 3 | ||||
| -rw-r--r-- | include/linux/compiler-gcc.h | 2 | ||||
| -rw-r--r-- | include/linux/compiler_types.h | 27 |
3 files changed, 3 insertions, 29 deletions
diff --git a/include/linux/bits.h b/include/linux/bits.h index 4671fbf28842..7f475d59a097 100644 --- a/include/linux/bits.h +++ b/include/linux/bits.h @@ -18,8 +18,7 @@ * position @h. For example * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. */ -#if !defined(__ASSEMBLY__) && \ - (!defined(CONFIG_CC_IS_GCC) || CONFIG_GCC_VERSION >= 49000) +#if !defined(__ASSEMBLY__) #include <linux/build_bug.h> #define GENMASK_INPUT_CHECK(h, l) \ (BUILD_BUG_ON_ZERO(__builtin_choose_expr( \ diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 1c74464c80c6..0b1dc61f3955 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -11,7 +11,7 @@ + __GNUC_PATCHLEVEL__) /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 */ -#if GCC_VERSION < 40800 +#if GCC_VERSION < 40900 # error Sorry, your compiler is too old - please upgrade it. #endif diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index c3bf7710f69a..01dd58c74d80 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -252,32 +252,8 @@ struct ftrace_likely_data { * __unqual_scalar_typeof(x) - Declare an unqualified scalar type, leaving * non-scalar types unchanged. */ -#if (defined(CONFIG_CC_IS_GCC) && CONFIG_GCC_VERSION < 40900) || defined(__CHECKER__) /* - * We build this out of a couple of helper macros in a vain attempt to - * help you keep your lunch down while reading it. - */ -#define __pick_scalar_type(x, type, otherwise) \ - __builtin_choose_expr(__same_type(x, type), (type)0, otherwise) - -/* - * 'char' is not type-compatible with either 'signed char' or 'unsigned char', - * so we include the naked type here as well as the signed/unsigned variants. - */ -#define __pick_integer_type(x, type, otherwise) \ - __pick_scalar_type(x, type, \ - __pick_scalar_type(x, unsigned type, \ - __pick_scalar_type(x, signed type, otherwise))) - -#define __unqual_scalar_typeof(x) typeof( \ - __pick_integer_type(x, char, \ - __pick_integer_type(x, short, \ - __pick_integer_type(x, int, \ - __pick_integer_type(x, long, \ - __pick_integer_type(x, long long, x)))))) -#else -/* - * If supported, prefer C11 _Generic for better compile-times. As above, 'char' + * Prefer C11 _Generic for better compile-times and simpler code. Note: 'char' * is not type-compatible with 'signed char', and we define a separate case. */ #define __scalar_type_to_expr_cases(type) \ @@ -293,7 +269,6 @@ struct ftrace_likely_data { __scalar_type_to_expr_cases(long), \ __scalar_type_to_expr_cases(long long), \ default: (x))) -#endif /* Is this type a native word size -- useful for atomic operations */ #define __native_word(t) \ |