combine.c (combine_simplify_rtx): Recognize the unordered compares.
authorJan Hubicka <jh@suse.cz>
Sun, 7 Jan 2001 13:37:32 +0000 (14:37 +0100)
committerJan Hubicka <hubicka@gcc.gnu.org>
Sun, 7 Jan 2001 13:37:32 +0000 (13:37 +0000)
commit69bc0a1faf3b86e36ab1316d43ddfbee144b8d49
tree37c8451f6d92ee2aa6a5cf80f4a309fda5bf0ca7
parentfd13313fdb19c5dd5a5229b87fe856bda8a40166
combine.c (combine_simplify_rtx): Recognize the unordered compares.

* combine.c (combine_simplify_rtx): Recognize the unordered compares.
(nonzero_bits): Likewise.
(simplify_comparison): Likewise.
(num_sign_bit_copies): Likewise; return more sane value depending
on STORE_FLAG_VALUE.
(known_cond): Do not assume EQ to be always true for equivalent
operands.

From-SVN: r38774
gcc/ChangeLog
gcc/combine.c