Update lightrec 20220912 (#688)

[pcsx_rearmed.git] / deps / lightrec / optimizer.c

diff --git a/deps/lightrec/optimizer.c b/deps/lightrec/optimizer.c
index 2eba60e..0190722 100644 (file)
--- a/deps/lightrec/optimizer.c
+++ b/deps/lightrec/optimizer.c
@@ -635,6 +635,10 @@ static u32 lightrec_propagate_consts(const struct opcode *op,
                        if (OPT_FLAG_MULT_DIV && c.r.imm)
                                known &= ~BIT(c.r.imm);
                        break;
+               case OP_SPECIAL_MFLO:
+               case OP_SPECIAL_MFHI:
+                       known &= ~BIT(c.r.rd);
+                       break;
                default:
                        break;
                }
@@ -1645,6 +1649,9 @@ static int lightrec_flag_io(struct lightrec_state *state, struct block *block)
                                                pr_debug("Flagging opcode %u as direct I/O access\n",
                                                         i);
                                                list->flags |= LIGHTREC_IO_MODE(LIGHTREC_IO_DIRECT_HW);
+
+                                               if (no_mask)
+                                                       list->flags |= LIGHTREC_NO_MASK;
                                                break;
                                        }
                                        fallthrough;