Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de>
---
target-tricore/fpu_helper.c | 29 +++++++++++++++++++++++++++++
target-tricore/helper.h | 1 +
target-tricore/translate.c | 3 +++
3 files changed, 33 insertions(+)
diff --git a/target-tricore/fpu_helper.c b/target-tricore/fpu_helper.c
index 70e529c..ee8b687 100644
--- a/target-tricore/fpu_helper.c
+++ b/target-tricore/fpu_helper.c
@@ -142,3 +142,32 @@ uint32_t helper_fmul(CPUTriCoreState *env, uint32_t r1,
uint32_t r2)
return (uint32_t)f_result;
}
+
+uint32_t helper_fdiv(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
+{
+ float32 arg1 = make_float32(r1);
+ float32 arg2 = make_float32(r2);
+ float32 f_result;
+
+ f_set_flags(env);
+
+ arg1 = float32_squash_input_denormal(arg1, &env->fp_status);
+ arg2 = float32_squash_input_denormal(arg2, &env->fp_status);
+
+ if (float32_is_any_nan(arg1) || float32_is_any_nan(arg2)) {
+ f_result = QUIET_NAN;
+ if (float32_is_signaling_nan(arg1) || float32_is_signaling_nan(arg2)) {
+ env->fp_status.float_exception_flags |= float_flag_invalid;
+ }
+ } else if (float32_is_infinity(arg1) && float32_is_infinity(arg2)) {
+ f_result = DIV_NAN;
+ env->fp_status.float_exception_flags |= float_flag_invalid;
+ } else if (float32_is_zero(arg1) && float32_is_zero(arg2)) {
+ f_result = DIV_NAN;
+ env->fp_status.float_exception_flags |= float_flag_invalid;
+ } else {
+ f_result = float32_div(arg1, arg2 , &env->fp_status);
+ }
+ f_update_psw_flags(env, true);
+ return (uint32_t)f_result;
+}
diff --git a/target-tricore/helper.h b/target-tricore/helper.h
index ac41190..f5eff36 100644
--- a/target-tricore/helper.h
+++ b/target-tricore/helper.h
@@ -108,6 +108,7 @@ DEF_HELPER_1(unpack, i64, i32)
DEF_HELPER_3(fadd, i32, env, i32, i32)
DEF_HELPER_3(fsub, i32, env, i32, i32)
DEF_HELPER_3(fmul, i32, env, i32, i32)
+DEF_HELPER_3(fdiv, i32, env, i32, 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 16d14f0..49c4969 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -6675,6 +6675,9 @@ static void decode_rr_divide(CPUTriCoreState *env,
DisasContext *ctx)
case OPC2_32_RR_MUL_F:
gen_helper_fmul(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]);
break;
+ case OPC2_32_RR_DIV_F:
+ gen_helper_fdiv(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]);
+ break;
default:
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}
--
2.7.2
