[hackers] [scc] [cc2-qbe] Add support for void functions || Roberto E. Vargas Caballero

[git]

commit 74fc24f79803f1e36e99da05f19e70a2d588cfa9
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Tue May 31 09:12:20 2016 +0200
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Tue May 31 09:12:20 2016 +0200

    [cc2-qbe] Add support for void functions
    
    Void functions are dealt as int functions which return a
    value which will not be used.

diff --git a/cc2/arch/qbe/cgen.c b/cc2/arch/qbe/cgen.c
index 200c22e..77bb776 100644
--- a/cc2/arch/qbe/cgen.c
+++ b/cc2/arch/qbe/cgen.c
@@ -243,6 +243,10 @@ call(Node *np)
                pars[n] = cgen(p->left);
 
        switch (tp->size) {
+       case 0:
+               np->left = tmpnode(newnode(OTMP));
+               op = ASCALLW;
+               break;
        case 1:
                op = ASCALLB;
                break;