[hackers] [scc] Fix exp2cond() negation of the condition || Roberto E. Vargas Caballero

From: <git_AT_suckless.org>
Date: Fri, 14 Aug 2015 19:03:56 +0200 (CEST)

commit 560dd3edc56c0a0baf08804246e57fb8006d3a87
Author: Roberto E. Vargas Caballero <k0ga_AT_shike2.com>
AuthorDate: Fri Aug 14 18:56:07 2015 +0200
Commit: Roberto E. Vargas Caballero <k0ga_AT_shike2.com>
CommitDate: Fri Aug 14 18:56:07 2015 +0200

    Fix exp2cond() negation of the condition
    
    The code was written for an anciant version of the values
    of OEQ and ONE.

diff --git a/cc1/expr.c b/cc1/expr.c
index ee23eb2..aa110a2 100644
--- a/cc1/expr.c
+++ b/cc1/expr.c
_AT_@ -567,7 +567,7 @@ exp2cond(Node *np, char neg)
         np = decay(np);
         if (isnodecmp(np->op))
                 return (neg) ? negate(np) : np;
- return compare(ONE ^ neg, np, constnode(zero));
+ return compare((neg) ? OEQ : ONE, np, constnode(zero));
 }
 
 static Node *
Received on Fri Aug 14 2015 - 19:03:56 CEST