[Bug middle-end/37908] [4.2/4.3/4.4 regression] atomic NAND op generate wrong code; __sync_nand_and_fetch, __sync_fetch_and_nand

[ubizjak at gmail dot com]

------- Comment #6 from ubizjak at gmail dot com  2008-10-29 07:10 -------
According to Intel [1]:

According to Dan, __sync_fetch_and_nand intrinsic should be implemented as
~(target & val). Uros's patch is correct.

[1] http://gcc.gnu.org/ml/gcc-patches/2008-10/msg01214.html


-- 

ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
             Status|RESOLVED                    |REOPENED
           Keywords|                            |wrong-code
           Priority|P3                          |P1
         Resolution|INVALID                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37908