scc

commit 6a1d5b045462b11e22110e26b220c9ab76e2958c
parent ed8a3ceb831499cabb4114380b8d5bcc272c1323
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 12 Aug 2016 14:47:36 +0200

[cc2-qbe] Add support for logic negation operator

This operator is very easy because we only have
to change what is the true and what is the false.

Diffstat:
M
cc2/arch/qbe/cgen.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/cc2/arch/qbe/cgen.c b/cc2/arch/qbe/cgen.c
@@ -187,6 +187,9 @@ bool(Node *np, Symbol *true, Symbol *false)
 	Symbol *label;
 
 	switch (np->op) {
+	case ONEG:
+		bool(l, false, true);
+		break;
 	case OAND:
 		label = newlabel();
 		bool(l, label, true);
@@ -255,6 +258,7 @@ rhs(Node *np, Node *ret)
 	case OMEM:
 	case OAUTO:
 		return load(np, ret);
+	case ONEG:
 	case OAND:
 	case OOR:
 		true = newlabel();