target/xtensa: Drop check for singlestep_enabled

GDB single-stepping is now handled generically.

Signed-off-by: Richard Henderson <[email protected]>

Author: rth7680

target/xtensa/translate.c

@@ -382,18 +382,14 @@ static void gen_jump_slot(DisasContext *dc, TCGv dest, int slot)
     if (dc->icount) {
         tcg_gen_mov_i32(cpu_SR[ICOUNT], dc->next_icount);
     }
-    if (dc->base.singlestep_enabled) {
-        gen_exception(dc, EXCP_DEBUG);
+    if (dc->op_flags & XTENSA_OP_POSTPROCESS) {
+        slot = gen_postprocess(dc, slot);
+    }
+    if (slot >= 0) {
+        tcg_gen_goto_tb(slot);
+        tcg_gen_exit_tb(dc->base.tb, slot);
     } else {
-        if (dc->op_flags & XTENSA_OP_POSTPROCESS) {
-            slot = gen_postprocess(dc, slot);
-        }
-        if (slot >= 0) {
-            tcg_gen_goto_tb(slot);
-            tcg_gen_exit_tb(dc->base.tb, slot);
-        } else {
-            tcg_gen_exit_tb(NULL, 0);
-        }
+        tcg_gen_exit_tb(NULL, 0);
     }
     dc->base.is_jmp = DISAS_NORETURN;
 }
@@ -1293,12 +1289,7 @@ static void xtensa_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
     case DISAS_NORETURN:
         break;
     case DISAS_TOO_MANY:
-        if (dc->base.singlestep_enabled) {
-            tcg_gen_movi_i32(cpu_pc, dc->pc);
-            gen_exception(dc, EXCP_DEBUG);
-        } else {
-            gen_jumpi(dc, dc->pc, 0);
-        }
+        gen_jumpi(dc, dc->pc, 0);
         break;
     default:
         g_assert_not_reached();