diff options
-rw-r--r-- | target/tricore/fpu_helper.c | 27 | ||||
-rw-r--r-- | target/tricore/helper.h | 1 | ||||
-rw-r--r-- | target/tricore/translate.c | 3 |
3 files changed, 31 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; +} diff --git a/target/tricore/helper.h b/target/tricore/helper.h index 9333e161ab..467c88013a 100644 --- a/target/tricore/helper.h +++ b/target/tricore/helper.h @@ -112,6 +112,7 @@ DEF_HELPER_3(fdiv, i32, env, i32, i32) DEF_HELPER_3(fcmp, i32, env, i32, i32) DEF_HELPER_2(ftoi, i32, env, i32) DEF_HELPER_2(itof, i32, env, i32) +DEF_HELPER_2(ftouz, i32, env, i32) /* dvinit */ DEF_HELPER_3(dvinit_b_13, i64, env, i32, i32) DEF_HELPER_3(dvinit_b_131, i64, env, i32, i32) diff --git a/target/tricore/translate.c b/target/tricore/translate.c index 36f734a662..eb6fdc3ca4 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -6698,6 +6698,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_ITOF: gen_helper_itof(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); break; + case OPC2_32_RR_FTOUZ: + gen_helper_ftouz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); } |