implement argument passing in stack

2 files changed, 2 insertions, 0 deletions

diff --git a/ir/abi0.c b/ir/abi0.c
index 515ba1a..404947e 100644
--- a/ir/abi0.c
+++ b/ir/abi0.c
@@ -276,6 +276,7 @@ abi0_call(struct function *fn, struct instr *ins, struct block *blk, int *curi)
       if (call->vararg == i) vararg = i2;
       i2 += ret;
    }
+   call->argstksiz = ns;
    /* adjust return */
    if (call->ret.isagg) {
       ins->cls = 0;
diff --git a/ir/ir.h b/ir/ir.h
index 4c369a1..66fc56d 100644
--- a/ir/ir.h
+++ b/ir/ir.h
@@ -46,6 +46,7 @@ struct call {
    union irtype ret;
    ushort narg;
    short vararg; /* first variadic arg or -1 */
+   ushort argstksiz;
    struct abiarg *abiarg;
    struct abiarg abiret[2];
 };