029e79eb86
2010-08-18 Marcus Shawcroft <marcus.shawcroft@arm.com> * config/arm/arm-protos.h (arm_expand_sync): New. (arm_output_memory_barrier, arm_output_sync_insn): New. (arm_sync_loop_insns): New. * config/arm/arm.c (FL_ARCH7): New. (FL_FOR_ARCH7): Include FL_ARCH7. (arm_arch7): New. (arm_print_operand): Support %C markup. (arm_legitimize_sync_memory): New. (arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New. (arm_process_output_memory_barrier, arm_output_memory_barrier): New. (arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New. (arm_output_op2, arm_output_op3, arm_output_sync_loop): New. (arm_get_sync_operand, FETCH_SYNC_OPERAND): New. (arm_process_output_sync_insn, arm_output_sync_insn): New. (arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New. * config/arm/arm.h (struct arm_sync_generator): New. (TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New. (TARGET_HAVE_MEMORY_BARRIER): New. (TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New. * config/arm/arm.md: Include sync.md. (UNSPEC_MEMORY_BARRIER): New. (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New. (VUNSPEC_SYNC_OP):New. (VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New. (sync_result, sync_memory, sync_required_value): New attributes. (sync_new_value, sync_t1, sync_t2): Likewise. (sync_release_barrier, sync_op): Likewise. (length): Add logic to length attribute defintion to call arm_sync_loop_insns when appropriate. * config/arm/sync.md: New file. From-SVN: r163327 |
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