diff options
Diffstat (limited to 'include/qemu/compiler.h')
| -rw-r--r-- | include/qemu/compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 5843812710..bf47e7bee4 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -122,6 +122,15 @@ #ifndef __has_feature #define __has_feature(x) 0 /* compatibility with non-clang compilers */ #endif + +#ifndef __has_builtin +#define __has_builtin(x) 0 /* compatibility with non-clang compilers */ +#endif + +#if __has_builtin(__builtin_assume_aligned) || QEMU_GNUC_PREREQ(4, 7) +#define HAS_ASSUME_ALIGNED +#endif + /* Implement C11 _Generic via GCC builtins. Example: * * QEMU_GENERIC(x, (float, sinf), (long double, sinl), sin) (x) |