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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-02-04 18:41:18 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-02-04 18:41:18 +0100 |
| commit | 12ca080a1ca8dfd0aeac54485451b906a7e61b16 (patch) | |
| tree | abb273fb03a73bc9c20d05f9128bdfd9bfe55e55 /include/platform.h | |
| parent | 98a4c7cf3d799ab953cb77e8b34597c73e3e7335 (diff) | |
| download | busybox-12ca080a1ca8dfd0aeac54485451b906a7e61b16.tar.gz | |
*: eliminate more aliasing warnings
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/platform.h')
| -rw-r--r-- | include/platform.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/platform.h b/include/platform.h index ab4402e79..dcc61a77b 100644 --- a/include/platform.h +++ b/include/platform.h @@ -201,10 +201,14 @@ * a lvalue. This makes it more likely to not swap them by mistake */ #if defined(i386) || defined(__x86_64__) -# define move_from_unaligned_int(v, intp) ((v) = *(int*)(intp)) -# define move_from_unaligned16(v, u16p) ((v) = *(uint16_t*)(u16p)) -# define move_from_unaligned32(v, u32p) ((v) = *(uint32_t*)(u32p)) -# define move_to_unaligned32(u32p, v) (*(uint32_t*)(u32p) = (v)) +# include <stdint.h> +typedef int bb__aliased_int FIX_ALIASING; +typedef uint16_t bb__aliased_uint16_t FIX_ALIASING; +typedef uint32_t bb__aliased_uint32_t FIX_ALIASING; +# define move_from_unaligned_int(v, intp) ((v) = *(bb__aliased_int*)(intp)) +# define move_from_unaligned16(v, u16p) ((v) = *(bb__aliased_uint16_t*)(u16p)) +# define move_from_unaligned32(v, u32p) ((v) = *(bb__aliased_uint32_t*)(u32p)) +# define move_to_unaligned32(u32p, v) (*(bb__aliased_uint32_t*)(u32p) = (v)) /* #elif ... - add your favorite arch today! */ #else /* performs reasonably well (gcc usually inlines memcpy here) */ |