diff options
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/helper.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c index f3c7fbf993..ae7740bca1 100644 --- a/target-sparc/helper.c +++ b/target-sparc/helper.c @@ -85,8 +85,8 @@ static target_ulong helper_udiv_common(CPUSPARCState *env, target_ulong a, } x0 = x0 / x1; - if (x0 > 0xffffffff) { - x0 = 0xffffffff; + if (x0 > UINT32_MAX) { + x0 = UINT32_MAX; overflow = 1; } @@ -122,12 +122,15 @@ static target_ulong helper_sdiv_common(CPUSPARCState *env, target_ulong a, if (x1 == 0) { cpu_restore_state(CPU(cpu), GETPC()); helper_raise_exception(env, TT_DIV_ZERO); - } - - x0 = x0 / x1; - if ((int32_t) x0 != x0) { - x0 = x0 < 0 ? 0x80000000 : 0x7fffffff; + } else if (x1 == -1 && x0 == INT64_MIN) { + x0 = INT32_MAX; overflow = 1; + } else { + x0 = x0 / x1; + if ((int32_t) x0 != x0) { + x0 = x0 < 0 ? INT32_MIN : INT32_MAX; + overflow = 1; + } } if (cc) { |