[Bug target/33717] slow code generated for 64-bit arithmetic

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2008-12-31 18:39 -------
GCC does not produce "adcl      $0" which is where the extra xors come from.


Most likely addsi3_carry should accept 0 as one of the operands.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
  GCC build triplet|i386-pc-linux-gnu           |
   GCC host triplet|i386-pc-linux-gnu           |
 GCC target triplet|i386-pc-linux-gnu           |i?86-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33717