expr.c (check_max_integer_computation_mode): New function.
authorJeffrey A Law <law@cygnus.com>
Wed, 17 Jun 1998 11:44:02 +0000 (11:44 +0000)
committerJeff Law <law@gcc.gnu.org>
Wed, 17 Jun 1998 11:44:02 +0000 (05:44 -0600)
commitdbecbbe48af59a29adadd6e6dc8895e64764adb4
tree5f8204f11538f0d3f56395877d68c0bbfd75f9b7
parenta5b8127eb13cce7fa4ddf8e4337f6e9fe67d1dc4
expr.c (check_max_integer_computation_mode): New function.

        * expr.c (check_max_integer_computation_mode): New function.
        (expand_expr): Avoid integer computations in modes wider than
        MAX_INTEGER_COMPUTATION_MODE.
        * fold-const.c (fold): Likewise.
        * tree.h (check_max_integer_computation_mode): Declare.
        * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.

From-SVN: r20538
gcc/ChangeLog
gcc/expr.c
gcc/fold-const.c
gcc/tm.texi
gcc/tree.h