summaryrefslogtreecommitdiff
path: root/repo/python/arm-alignment.patch
blob: a7a4b394d9db822df88111e05db2898d90bde3fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Author: Dave Jones <dave.jones@canonical.com>
Description: Use aligned access for _sha3 module on ARM.
--- a/Modules/_sha3/sha3module.c
+++ b/Modules/_sha3/sha3module.c
@@ -64,6 +64,12 @@
 #define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
 #endif
 
+/* Bus error on 32-bit ARM due to un-aligned memory accesses; 64-bit ARM
+ * doesn't complain but un-aligned memory accesses are sub-optimal */
+#if defined(__arm__) || defined(__aarch64__)
+#define NO_MISALIGNED_ACCESSES
+#endif
+
 /* mangle names */
 #define KeccakF1600_FastLoop_Absorb _PySHA3_KeccakF1600_FastLoop_Absorb
 #define Keccak_HashFinal _PySHA3_Keccak_HashFinal