More VRP TLC, this restructures extract_range_from_binary_expr_1 a bit,
avoiding to glob unrelated tree codes to avoid some code duplication.
Instead factor out the common code.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk.
Richard.
2011-08-16 Richard Guenther
This restructures extract_range_from_unary_expr_1 so it is easier
to follow.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2011-08-15 Richard Guenther
* tree-vrp.c (value_range_nonnegative_p): Fix anti-range case.
(extract_range_from_unary_expr_1): R
