* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR. * config/sparc/sync.md (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. Remove operand 1. (*stbar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove (const_int 8). (*membar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove input operand 2. * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/ia64/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*memory_barrier): New insn pattern. * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from insn operands. (*memory_barrier): Use (match_dup 0) as input operand. * config/mips/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*memory_barrier): New insn pattern. * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal. From-SVN: r143047
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