diff options
| -rw-r--r-- | lib/ubsan/ubsan_value.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/ubsan/ubsan_value.cc b/lib/ubsan/ubsan_value.cc index 4ae385fae..79dc4c8e8 100644 --- a/lib/ubsan/ubsan_value.cc +++ b/lib/ubsan/ubsan_value.cc @@ -83,10 +83,11 @@ FloatMax Value::getFloatValue() const { #endif case 32: { float Value; -#if defined(__BIG_ENDIAN__) && !defined(__mips__) - // For big endian the float value is in the second 4 bytes - // instead of the first 4 bytes. - internal_memcpy(&Value, ((const char*)&Val)+4, 4); +#if defined(__BIG_ENDIAN__) + // For big endian the float value is in the last 4 bytes. + // On some targets we may only have 4 bytes so we count backwards from + // the end of Val to account for both the 32-bit and 64-bit cases. + internal_memcpy(&Value, ((const char*)(&Val + 1)) - 4, 4); #else internal_memcpy(&Value, &Val, 4); #endif |