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 6a76541833..58c2e6135c 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -395,6 +395,37 @@ uint64_t HELPER(cxgb)(CPUS390XState *env, int64_t v2, uint32_t m3) return RET128(ret); } +/* convert 64-bit uint to 32-bit float */ +uint64_t HELPER(celgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float32 ret = uint64_to_float32(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* convert 64-bit uint to 64-bit float */ +uint64_t HELPER(cdlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float64 ret = uint64_to_float64(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* convert 64-bit uint to 128-bit float */ +uint64_t HELPER(cxlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + /* ??? Not 50% correct. */ + float128 ret = int64_to_float128(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); +} + /* convert 32-bit float to 64-bit int */ uint64_t HELPER(cgeb)(CPUS390XState *env, uint64_t v2, uint32_t m3) { |