s390.c (s390_expand_atomic): New function.

[gcc.git] / gcc / ChangeLog

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+2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.c (s390_expand_atomic): New function.
+       Adjust comment of helper functions.
+       * config/s390/s390-protos.h (s390_expand_atomic): Declare.
+       * config/s390/s390.md ("ATOMIC"): New code macro.
+       ("atomic"): Corresponding new code attribute.
+       ("sync_lock_test_and_set[hq]i", 
+       "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
+
 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
 
        * config/s390/s390.c (s390_expand_mask_and_shift,