ref: bcc4de52e4e216a3b5a9d734fed46a4d06c3252c
parent: 42a2ed50d61e736f6c8c34ad78089ae9f56d6534
author: Roberto E. Vargas Caballero <[email protected]>
date: Tue Sep 1 18:09:45 EDT 2015
Small cosmetic changes in fold.c
--- a/cc1/fold.c
+++ b/cc1/fold.c
@@ -293,8 +293,6 @@
*rp = r;
*lp = l;
break;
- default:
- return;
}
}
@@ -329,7 +327,7 @@
return v;
}
-static bool
+static Node *
identity(int op, Node *lp, Node *rp)
{
int val;
@@ -352,13 +350,13 @@
if (cmp(lp, ones(lp->type->size * 8)))
goto free_right;
default:
- return 0;
+ return NULL;
}
if (!cmp(rp, val))
- return 0;
+ return NULL;
free_right:
freetree(rp);
- return 1;
+ return lp;
}
Node *
@@ -369,8 +367,8 @@
if ((np = fold(op, tp, lp, rp)) != NULL)
return np;
commutative(&op, &lp, &rp);
- if (identity(op, lp, rp))
- return lp;
+ if ((np = identity(op, lp, rp)) != NULL)
+ return np;
return node(op, tp, lp, rp);
}