diff options
Diffstat (limited to 'target/tricore/fpu_helper.c')
-rw-r--r-- | target/tricore/fpu_helper.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/tricore/fpu_helper.c b/target/tricore/fpu_helper.c index 98fe9472b1..215c3970b1 100644 --- a/target/tricore/fpu_helper.c +++ b/target/tricore/fpu_helper.c @@ -215,3 +215,30 @@ uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg) } return (uint32_t)f_result; } + +uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_arg = make_float32(arg); + uint32_t result; + int32_t flags; + + result = float32_to_uint32_round_to_zero(f_arg, &env->fp_status); + + flags = f_get_excp_flags(env); + if (flags & float_flag_invalid) { + flags &= ~float_flag_inexact; + if (float32_is_any_nan(f_arg)) { + result = 0; + } + } else if (float32_lt_quiet(f_arg, 0, &env->fp_status)) { + flags = float_flag_invalid; + result = 0; + } + + if (flags) { + f_update_psw_flags(env, flags); + } else { + env->FPU_FS = 0; + } + return result; +} |