diff options
Diffstat (limited to 'target-ppc/int_helper.c')
-rw-r--r-- | target-ppc/int_helper.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 6f3d8fd805..920dba7891 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -65,6 +65,29 @@ uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe) return rt; } +uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) +{ + int64_t rt = 0; + int64_t ra = (int64_t)rau; + int64_t rb = (int64_t)rbu; + int overflow = divs128(&rt, &ra, rb); + + if (unlikely(overflow)) { + rt = 0; /* Undefined */ + } + + if (oe) { + + if (unlikely(overflow)) { + env->so = env->ov = 1; + } else { + env->ov = 0; + } + } + + return rt; +} + #endif |