aboutsummaryrefslogtreecommitdiff
path: root/include/platform.h
diff options
context:
space:
mode:
authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-02-04 18:41:18 +0100
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-02-04 18:41:18 +0100
commit12ca080a1ca8dfd0aeac54485451b906a7e61b16 (patch)
treeabb273fb03a73bc9c20d05f9128bdfd9bfe55e55 /include/platform.h
parent98a4c7cf3d799ab953cb77e8b34597c73e3e7335 (diff)
downloadbusybox-12ca080a1ca8dfd0aeac54485451b906a7e61b16.tar.gz
busybox-12ca080a1ca8dfd0aeac54485451b906a7e61b16.tar.bz2
*: eliminate more aliasing warnings
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/platform.h')
-rw-r--r--include/platform.h12
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) */