diff options
| -rw-r--r-- | tcg/aarch64/tcg-target.inc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index 1fa3bccc89..8fce11ace7 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -819,6 +819,17 @@ static inline void tcg_out_goto(TCGContext *s, tcg_insn_unit *target) tcg_out_insn(s, 3206, B, offset); } +static inline void tcg_out_goto_long(TCGContext *s, tcg_insn_unit *target) +{ + ptrdiff_t offset = target - s->code_ptr; + if (offset == sextract64(offset, 0, 26)) { + tcg_out_insn(s, 3206, BL, offset); + } else { + tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_TMP, (intptr_t)target); + tcg_out_insn(s, 3207, BR, TCG_REG_TMP); + } +} + static inline void tcg_out_goto_noaddr(TCGContext *s) { /* We pay attention here to not modify the branch target by reading from @@ -1364,10 +1375,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_exit_tb: /* Reuse the zeroing that exists for goto_ptr. */ if (a0 == 0) { - tcg_out_goto(s, s->code_gen_epilogue); + tcg_out_goto_long(s, s->code_gen_epilogue); } else { tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_X0, a0); - tcg_out_goto(s, tb_ret_addr); + tcg_out_goto_long(s, tb_ret_addr); } break; |