e0374221d9
2005-06-07 Adrian Straetling <straetling@de.ibm.com> gcc/ChangeLog: * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants. ("type"): Add "sem" to 'type' attribute. ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi", "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi", "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi", "*sync_compare_and_swap_ccsi"): New patterns. * config/s390/2064.md: ("z_sem"): New insn_reservation. * config/s390/2084.md: ("x_sem"): New insn_reservation. * config/s390/s390.c: (s390_compare_emitted): New global variable. (s390_emit_compare): Do not emit comparison again after cas. * config/s390/s390.h (s390_compare_emitted): Declare. libstdc++/ChangeLog: * config/cpu/s390/atomicity.h: (__exchange_and_add, __atomic_add): Use the builtins for atomic memory operations. From-SVN: r100711 |
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