[Qemu-devel] [PATCH v2 2/5] tricore: add UTOF instruction

[David Brenken]

From: David Brenken <address@hidden>

Signed-off-by: Andreas Konopik <address@hidden>
Signed-off-by: David Brenken <address@hidden>
Signed-off-by: Georg Hofstetter <address@hidden>
Signed-off-by: Robert Rasche <address@hidden>
Signed-off-by: Lars Biermanski <address@hidden>
Reviewed-by: Bastian Koppelmann <address@hidden>
---
 target/tricore/fpu_helper.c | 16 ++++++++++++++++
 target/tricore/helper.h     |  1 +
 target/tricore/translate.c  |  3 +++
 3 files changed, 20 insertions(+)

diff --git a/target/tricore/fpu_helper.c b/target/tricore/fpu_helper.c
index f079d9e939..432079c8e2 100644
--- a/target/tricore/fpu_helper.c
+++ b/target/tricore/fpu_helper.c
@@ -303,6 +303,22 @@ uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg)
     return (uint32_t)f_result;
 }
 
+uint32_t helper_utof(CPUTriCoreState *env, uint32_t arg)
+{
+    float32 f_result;
+    uint32_t flags;
+
+    f_result = uint32_to_float32(arg, &env->fp_status);
+
+    flags = f_get_excp_flags(env);
+    if (flags) {
+        f_update_psw_flags(env, flags);
+    } else {
+        env->FPU_FS = 0;
+    }
+    return (uint32_t)f_result;
+}
+
 uint32_t helper_ftoiz(CPUTriCoreState *env, uint32_t arg)
 {
     float32 f_arg = make_float32(arg);
diff --git a/target/tricore/helper.h b/target/tricore/helper.h
index 16b62edf7f..f1a5cb367e 100644
--- a/target/tricore/helper.h
+++ b/target/tricore/helper.h
@@ -111,6 +111,7 @@ DEF_HELPER_4(fmsub, i32, env, i32, 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(utof, i32, env, i32)
 DEF_HELPER_2(ftoiz, i32, env, i32)
 DEF_HELPER_2(ftouz, i32, env, i32)
 DEF_HELPER_2(updfl, void, env, i32)
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 5e1c4f54b9..bd913d71a1 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -6747,6 +6747,9 @@ static void decode_rr_divide(CPUTriCoreState *env, 
DisasContext *ctx)
     case OPC2_32_RR_UPDFL:
         gen_helper_updfl(cpu_env, cpu_gpr_d[r1]);
         break;
+    case OPC2_32_RR_UTOF:
+        gen_helper_utof(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]);
+        break;
     case OPC2_32_RR_FTOIZ:
         gen_helper_ftoiz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]);
         break;
-- 
2.22.0.windows.1