qbe

commit ff607f1a1e4d8f15adb075e427b4b9ea0ad34c03
parent fb0803ec1301575bb334a1199da0c88e95364333
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Mon, 21 Sep 2015 19:28:10 -0400

emit syntactically valid calls

Diffstat:
M
lisc/emit.c
 | 
11
++++++++++-

1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/lisc/emit.c b/lisc/emit.c
@@ -224,7 +224,16 @@ eins(Ins i, Fn *fn, FILE *f)
 			i.wide, i.arg[0], i.to);
 		break;
 	case OCall:
-		emitf(fn, f, "call%w %R", 1, i.arg[0]);
+		switch (rtype(i.arg[0])) {
+		default:
+			diag("emit: invalid call instruction");
+		case RCon:
+			emitf(fn, f, "callq %M", i.arg[0]);
+			break;
+		case RTmp:
+			emitf(fn, f, "call%w *%R", 1, i.arg[0]);
+			break;
+		}
 		break;
 	case OAddr:
 		emitf(fn, f, "lea%w %M, %R", i.wide, i.arg[0], i.to);