cmd/5g: fix fixedtests/issue4396b.go test failure on arm5

Add missing file that should have been included in CL 6854063 / 5eac1a2d6fc3

R=remyoudompheng, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/6891049

diff --git a/src/cmd/5g/gsubr.c b/src/cmd/5g/gsubr.c
index ed0e73b88d0e730f9a91f7d359a21e280d282af3..bf4dded8f85c9de27fa11da85e25613f21be3eab 100644 (file)
--- a/src/cmd/5g/gsubr.c
+++ b/src/cmd/5g/gsubr.c
@@ -1193,7 +1193,7 @@ checkoffset(Addr *a, int canemitcode)
        // reference with large offset.  instead, emit explicit
        // test of 0(reg).
        regalloc(&n1, types[TUINTPTR], N);
-       p = gins(AMOVW, N, &n1);
+       p = gins(AMOVB, N, &n1);
        p->from = *a;
        p->from.offset = 0;
        regfree(&n1);