1 files changed, 14 insertions, 2 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 1062634..d03daea 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1215,8 +1215,20 @@ static void gen_mulld(DisasContext *ctx)
 /* mulldo  mulldo. */
 static void gen_mulldo(DisasContext *ctx)
 {
-    gen_helper_mulldo(cpu_gpr[rD(ctx->opcode)], cpu_env,
-                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
+    TCGv_i64 t0 = tcg_temp_new_i64();
+    TCGv_i64 t1 = tcg_temp_new_i64();
+
+    tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
+                      cpu_gpr[rB(ctx->opcode)]);
+    tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
+
+    tcg_gen_sari_i64(t0, t0, 63);
+    tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
+    tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
+
+    tcg_temp_free_i64(t0);
+    tcg_temp_free_i64(t1);
+
     if (unlikely(Rc(ctx->opcode) != 0)) {
         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
     }