[Bug target/29714] internal compiler error: in extract_insn, at recog.c:2084

[phil dot sidler at attachmate dot com]

------- Comment #5 from phil dot sidler at attachmate dot com  2006-11-06 20:18 
-------
Recreated with the following

#include <stdint.h>

main()
{
        uint8_t area  = 1;
        uint8_t oldval;
        uint8_t res;

        oldval = area;
        res = __sync_val_compare_and_swap(&area, oldval, 128);
}

Note that constant values less that 128 in the 3rd parameter work OK.
Casting the 3rd parameter to be unsigned does not work.
Using a temporary variable instead of a constant does work, but only with
optimization turned off.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29714