New sreal implementation which uses int64_t as m_sig.
* sreal.c (sreal::shift_right): New implementation
for int64_t as m_sig.
(sreal::normalize): Likewise.
(sreal::to_int): Likewise.
(sreal::operator+): Likewise.
(sreal::operator-): Likewise.
(sreal::operator*): Likewise.
(sreal::operator/): Likewise.
(sreal::signedless_minus): Removed.
(sreal::signedless_plus): Removed.
(sreal::debug): const keyword is added.
* sreal.h (sreal::operator<): New implementation
for int64_t as m_sig.
* ipa-inline.c (recursive_inlining): LONG_MIN is replaced
with sreal::min ().
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218579 138bc75d-0d04-0410-961f-82ee72b054a4