X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightrec%2Foptimizer.c;h=019072257e5558de59e48a180d3b0e61548f889e;hb=ee8fd5674f74f307878f2dabef7641a837fb2a99;hp=2eba60ed2ea9ec7f0313897417d2b2351dad7ff1;hpb=ba3814c189d3bd2332b66fb6c633a7d028e618fe;p=pcsx_rearmed.git

diff --git a/deps/lightrec/optimizer.c b/deps/lightrec/optimizer.c
index 2eba60ed..01907225 100644
--- 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;