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Diffstat (limited to 'data/_python3.7/arm-alignment.diff')
| -rw-r--r-- | data/_python3.7/arm-alignment.diff | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/data/_python3.7/arm-alignment.diff b/data/_python3.7/arm-alignment.diff new file mode 100644 index 000000000..a7a4b394d --- /dev/null +++ b/data/_python3.7/arm-alignment.diff @@ -0,0 +1,17 @@ +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 |