make variadic args explicit

Some abis, like the riscv one, treat
arguments differently depending on
whether they are variadic or not.
To prepare for the upcomming riscv
target, we change the variadic call
syntax and give meaning to the
location of the '...' marker.

  # new syntax
  %ret =w call $f(w %regular, ..., w %variadic)

By nature of their abis, the change
is backwards compatible for existing
targets.

1 files changed, 1 insertions, 1 deletions

diff --git a/load.c b/load.c
index f3a695b..5d61a6c 100644
--- a/load.c
+++ b/load.c
@@ -234,7 +234,7 @@ def(Slice sl, bits msk, Blk *b, Ins *i, Loc *il)
 	while (i > b->ins) {
 		--i;
 		if (killsl(i->to, sl)
-		|| (iscall(i->op) && escapes(sl.ref, curf)))
+		|| (i->op == Ocall && escapes(sl.ref, curf)))
 			goto Load;
 		ld = isload(i->op);
 		if (ld) {