qbe

commit a3650701d1f87100b6ab41cb120f7923eb851a33
parent 90138539bce046fa8746c326841d2fc7e4e8c20d
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Thu,  4 Feb 2016 12:22:20 -0500

fix super old bug in rega!

Diffstat:
M
lisc/rega.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisc/rega.c b/lisc/rega.c
@@ -285,7 +285,7 @@ dopm(Blk *b, Ins *i, RMap *m)
 	} while (i != b->ins && regcpy(i-1));
 	assert(m0.n <= m->n);
 	if (i != b->ins && (i-1)->op == OCall) {
-		def = calldef(*i, 0);
+		def = calldef(*(i-1), 0);
 		for (r=0; r<NRSave; r++)
 			if (!(BIT(rsave[r]) & def))
 				move(rsave[r], R, m);