diff options
Diffstat (limited to 'target-sparc/helper.c')
-rw-r--r-- | target-sparc/helper.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c index 65e1740e19..4555d2bfc0 100644 --- a/target-sparc/helper.c +++ b/target-sparc/helper.c @@ -75,6 +75,7 @@ static target_ulong helper_udiv_common(CPUSPARCState *env, target_ulong a, x1 = (b & 0xffffffff); if (x1 == 0) { + cpu_restore_state2(env, GETPC()); helper_raise_exception(env, TT_DIV_ZERO); } @@ -113,6 +114,7 @@ static target_ulong helper_sdiv_common(CPUSPARCState *env, target_ulong a, x1 = (b & 0xffffffff); if (x1 == 0) { + cpu_restore_state2(env, GETPC()); helper_raise_exception(env, TT_DIV_ZERO); } @@ -139,3 +141,29 @@ target_ulong helper_sdiv_cc(CPUSPARCState *env, target_ulong a, target_ulong b) { return helper_sdiv_common(env, a, b, 1); } + +#ifdef TARGET_SPARC64 +int64_t helper_sdivx(CPUSPARCState *env, int64_t a, int64_t b) +{ + if (b == 0) { + /* Raise divide by zero trap. */ + cpu_restore_state2(env, GETPC()); + helper_raise_exception(env, TT_DIV_ZERO); + } else if (b == -1) { + /* Avoid overflow trap with i386 divide insn. */ + return -a; + } else { + return a / b; + } +} + +uint64_t helper_udivx(CPUSPARCState *env, uint64_t a, uint64_t b) +{ + if (b == 0) { + /* Raise divide by zero trap. */ + cpu_restore_state2(env, GETPC()); + helper_raise_exception(env, TT_DIV_ZERO); + } + return a / b; +} +#endif |