diff options
Diffstat (limited to 'target-s390x/fpu_helper.c')
| -rw-r--r-- | target-s390x/fpu_helper.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 96eabb6..45b7ddf 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -552,6 +552,37 @@ uint64_t HELPER(clfxb)(CPUS390XState *env, uint64_t h, uint64_t l, uint32_t m3) return ret; } +/* round to integer 32-bit */ +uint64_t HELPER(fieb)(CPUS390XState *env, uint64_t f2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float32 ret = float32_round_to_int(f2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* round to integer 64-bit */ +uint64_t HELPER(fidb)(CPUS390XState *env, uint64_t f2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float64 ret = float64_round_to_int(f2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* round to integer 128-bit */ +uint64_t HELPER(fixb)(CPUS390XState *env, uint64_t ah, uint64_t al, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float128 ret = float128_round_to_int(make_float128(ah, al), + &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); +} + /* 32-bit FP multiply and add */ uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) |
