On Mon, Jan 16, 2006 at 11:53:31AM -0800, H. J. Lu wrote:
> Due to
>
> http://gcc.gnu.org/ml/gcc-patches/2006-01/msg00837.html
>
> I got
>
> cc1: warnings being treated as errors
> /export/gnu/src/gcc/gcc/gcc/fold-const.c: In function ‘fold_minmax’:
> /export/gnu/src/gcc/gcc/gcc/fold-const.c:7194: warning: ‘compl_code’
> may be used uninitialized in this function make[5]: *** [fold-const.o]
> Error 1
> make[5]: *** Waiting for unfinished jobs....
>
>
This patch works for me.
H.J.
----
2006-01-16 H.J. Lu <[EMAIL PROTECTED]>
* fold-const.c (fold_minmax): Always initialize compl_code.
--- gcc/fold-const.c.foo 2006-01-16 11:33:31.000000000 -0800
+++ gcc/fold-const.c 2006-01-16 11:56:13.000000000 -0800
@@ -7191,14 +7191,12 @@ fold_unary (enum tree_code code, tree ty
static tree
fold_minmax (enum tree_code code, tree type, tree op0, tree op1)
{
- enum tree_code compl_code;
+ enum tree_code compl_code = MIN_EXPR;
if (code == MIN_EXPR)
compl_code = MAX_EXPR;
- else if (code == MAX_EXPR)
- compl_code = MIN_EXPR;
else
- gcc_assert (FALSE);
+ gcc_assert (code == MAX_EXPR);
/* MIN (MAX (a, b), b) == b. */
if (TREE_CODE (op0) == compl_code
