From 0921d949dbb6233b8482b1fee90cfcc4ab2d0764 Mon Sep 17 00:00:00 2001 From: Tim Rogers Date: Thu, 27 Oct 2011 17:12:10 -0800 Subject: Actually fixing the atomic bug [git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 10756] --- src/abstract_hardware_model.cc | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/abstract_hardware_model.cc') diff --git a/src/abstract_hardware_model.cc b/src/abstract_hardware_model.cc index 802547e..90f45d9 100644 --- a/src/abstract_hardware_model.cc +++ b/src/abstract_hardware_model.cc @@ -125,6 +125,23 @@ void warp_inst_t::set_active( const active_mask_t &active ) { } } +void warp_inst_t::do_atomic() { + do_atomic( m_warp_active_mask ); +} + +void warp_inst_t::do_atomic( const active_mask_t& access_mask ) { + assert( m_isatomic && !m_empty ); + for( unsigned i=0; i < m_config->warp_size; i++ ) + { + if( access_mask.test(i) ) + { + dram_callback_t &cb = m_per_scalar_thread[i].callback; + if( cb.thread ) + cb.function(cb.instruction, cb.thread); + } + } +} + void warp_inst_t::generate_mem_accesses() { if( empty() || op == MEMORY_BARRIER_OP || m_mem_accesses_created ) -- cgit v1.3