scc

commit 1bf4afb0ea8f7d5ca65b893727225f57c576fda9
parent 4d5fd1a5c0e592bc7ead90ff8b0e40ef71ab7391
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 23 Jun 2016 16:20:52 +0200

[cc2-qbe] Add support for OCPL and ONEG in sethi()

This operators are implemented using another operators,
so the best place for doing this operation is in sethi().

Diffstat:
M
cc2/arch/qbe/cgen.c
 | 
17
+++++++++++++++++

1 file changed, 17 insertions(+), 0 deletions(-)
diff --git a/cc2/arch/qbe/cgen.c b/cc2/arch/qbe/cgen.c
@@ -59,7 +59,24 @@ sethi(Node *np)
 	case OCONST:
 		np->address = 11;
 		break;
+	case OCPL:
+		np->op = OAND;
+		rp = newnode(OCONST);
+		rp->type = np->type;
+		rp->u.i = 0;
+		rp->u.i = ~np->u.i;
+		goto binary;
+	case ONEG:
+		np->op = OSUB;
+		rp = lp;
+		lp = newnode(OCONST);
+		lp->type = np->type;
+		if (np->type.flags & INTF)
+			lp->u.i = 0;
+		else
+			lp->u.f = 0.0;
 	default:
+	binary:
 		lp = sethi(lp);
 		rp = sethi(rp);
 		break;