diff options
| -rw-r--r-- | arm64/emit.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arm64/emit.c b/arm64/emit.c index 892d027..cd0a2b1 100644 --- a/arm64/emit.c +++ b/arm64/emit.c @@ -271,6 +271,8 @@ static void emitins(Ins *i, E *e) { int o; + char *rn; + uint64_t s; switch (i->op) { default: @@ -302,9 +304,17 @@ emitins(Ins *i, E *e) break; case Oaddr: assert(rtype(i->arg[0]) == RSlot); - fprintf(e->f, "\tadd\t%s, x29, #%"PRIu64"\n", - rname(i->to.val, Kl), slot(i->arg[0].val, e) - ); + rn = rname(i->to.val, Kl); + s = slot(i->arg[0].val, e); + if (s <= 4095) { + fprintf(e->f, "\tadd\t%s, x29, #%"PRIu64"\n", rn, s); + } else { + fprintf(e->f, + "\tmov\t%s, #%"PRIu64"\n" + "\tadd\t%s, x29, %s\n", + rn, s, rn, rn + ); + } break; } } |