+2011-10-04 Richard Henderson <rth@redhat.com>
+
+ * c-typeck.c (c_build_vec_shuffle_expr): Fix uninitialized variable.
+ Avoid save_expr unless two_arguments.
+
2011-10-04 Ozkan Sezer <sezeroz@gmail.com>
* config/i386/mingw-w64.h (CPP_SPEC): Rename _REENTRANCE to
tree
c_build_vec_shuffle_expr (location_t loc, tree v0, tree v1, tree mask)
{
- tree vec_shuffle, tmp;
+ tree vec_shuffle;
bool wrap = true;
bool maybe_const = false;
- bool two_arguments;
+ bool two_arguments = false;
if (v1 == NULL_TREE)
{
}
/* Avoid C_MAYBE_CONST_EXPRs inside VEC_SHUFFLE_EXPR. */
- tmp = c_fully_fold (v0, false, &maybe_const);
- v0 = save_expr (tmp);
+ v0 = c_fully_fold (v0, false, &maybe_const);
wrap &= maybe_const;
- if (!two_arguments)
+ if (two_arguments)
+ v1 = v0 = save_expr (v0);
+ else
{
v1 = c_fully_fold (v1, false, &maybe_const);
wrap &= maybe_const;
}
- else
- v1 = v0;
mask = c_fully_fold (mask, false, &maybe_const);
wrap &= maybe_const;