diff options
Diffstat (limited to 'tcg/README')
| -rw-r--r-- | tcg/README | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tcg/README b/tcg/README index a9858c2f74..bf49e8242b 100644 --- a/tcg/README +++ b/tcg/README @@ -477,6 +477,14 @@ current TB was linked to this TB. Otherwise execute the next instructions. Only indices 0 and 1 are valid and tcg_gen_goto_tb may be issued at most once with each slot index per TB. +* lookup_and_goto_ptr tb_addr + +Look up a TB address ('tb_addr') and jump to it if valid. If not valid, +jump to the TCG epilogue to go back to the exec loop. + +This operation is optional. If the TCG backend does not implement the +goto_ptr opcode, emitting this op is equivalent to emitting exit_tb(0). + * qemu_ld_i32/i64 t0, t1, flags, memidx * qemu_st_i32/i64 t0, t1, flags, memidx |