diff options
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c index 0eb407b723..f0deea25b2 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1338,6 +1338,25 @@ static void tcg_liveness_analysis(TCGContext *s) } goto do_not_remove; + case INDEX_op_mulu2_i32: + args -= 4; + nb_iargs = 2; + nb_oargs = 2; + /* Likewise, test for the high part of the operation dead. */ + if (dead_temps[args[1]]) { + if (dead_temps[args[0]]) { + goto do_remove; + } + gen_opc_buf[op_index] = op = INDEX_op_mul_i32; + args[1] = args[2]; + args[2] = args[3]; + assert(gen_opc_buf[op_index + 1] == INDEX_op_nop); + tcg_set_nop(s, gen_opc_buf + op_index + 1, args + 3, 1); + /* Fall through and mark the single-word operation live. */ + nb_oargs = 1; + } + goto do_not_remove; + default: /* XXX: optimize by hardcoding common cases (e.g. triadic ops) */ args -= def->nb_args; |