diff options
Diffstat (limited to 'src/abstract_hardware_model.cc')
| -rw-r--r-- | src/abstract_hardware_model.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/abstract_hardware_model.cc b/src/abstract_hardware_model.cc index 2f169c4..802547e 100644 --- a/src/abstract_hardware_model.cc +++ b/src/abstract_hardware_model.cc @@ -101,6 +101,30 @@ struct transaction_info { active_mask_t active; // threads in this transaction }; +void warp_inst_t::clear_active( const active_mask_t &inactive ) { + active_mask_t test = m_warp_active_mask; + test &= inactive; + assert( test == inactive ); // verify threads being disabled were active + m_warp_active_mask &= ~inactive; +} + +void warp_inst_t::set_not_active( unsigned lane_id ) { + m_warp_active_mask.reset(lane_id); +} + +void warp_inst_t::set_active( const active_mask_t &active ) { + m_warp_active_mask = active; + if( m_isatomic ) { + for( unsigned i=0; i < m_config->warp_size; i++ ) { + if( !m_warp_active_mask.test(i) ) { + m_per_scalar_thread[i].callback.function = NULL; + m_per_scalar_thread[i].callback.instruction = NULL; + m_per_scalar_thread[i].callback.thread = NULL; + } + } + } +} + void warp_inst_t::generate_mem_accesses() { if( empty() || op == MEMORY_BARRIER_OP || m_mem_accesses_created ) |