diff options
| -rw-r--r-- | lisc/emit.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lisc/emit.c b/lisc/emit.c index 59b439b..278f579 100644 --- a/lisc/emit.c +++ b/lisc/emit.c @@ -261,6 +261,11 @@ eins(Ins i, Fn *fn, FILE *f) break; case OXCmpw: case OXCmpl: + if (rtype(i.arg[1]) == RTmp && req(i.arg[0], CON_Z)) { + eop("test", i.arg[1], i.arg[1], fn, f); + break; + } + /* fall through */ case OXTestw: case OXTestl: eop(otoa[i.op], i.arg[0], i.arg[1], fn, f); |