git subrepo pull --force deps/lightrec

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

diff --git a/deps/lightrec/optimizer.c b/deps/lightrec/optimizer.c
index 90b2139..792f35c 100644 (file)
--- a/deps/lightrec/optimizer.c
+++ b/deps/lightrec/optimizer.c
@@ -299,6 +299,9 @@ static bool reg_is_dead(const struct opcode *list, unsigned int offset, u8 reg)
                if (opcode_writes_register(list[i].c, reg))
                        return true;
 
+               if (is_syscall(list[i].c))
+                       return false;
+
                if (has_delay_slot(list[i].c)) {
                        if (op_flag_no_ds(list[i].flags) ||
                            opcode_reads_register(list[i + 1].c, reg))