tcg/tci: Reuse tci_args_l for goto_tb

Convert to indirect jumps, as it's less complicated.
Then we just have a pointer to the tb address at which
the chain is stored, from which we read.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 3 insertions, 10 deletions

diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index ff8040510f..2c64b4f617 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -405,16 +405,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
         break;
 
     case INDEX_op_goto_tb:
-        if (s->tb_jmp_insn_offset) {
-            /* Direct jump method. */
-            /* Align for atomic patching and thread safety */
-            s->code_ptr = QEMU_ALIGN_PTR_UP(s->code_ptr, 4);
-            s->tb_jmp_insn_offset[args[0]] = tcg_current_code_size(s);
-            tcg_out32(s, 0);
-        } else {
-            /* Indirect jump method. */
-            TODO();
-        }
+        tcg_debug_assert(s->tb_jmp_insn_offset == 0);
+        /* indirect jump method. */
+        tcg_out_i(s, (uintptr_t)(s->tb_jmp_target_addr + args[0]));
         set_jmp_reset_offset(s, args[0]);
         break;