diff options
| author | Tor Aamodt <[email protected]> | 2018-04-01 16:33:59 -0700 |
|---|---|---|
| committer | Tor Aamodt <[email protected]> | 2018-04-01 16:33:59 -0700 |
| commit | 48c9d92e2be9a9fe264d3783b0b3ee7af8295b53 (patch) | |
| tree | aa67d6d1cf8f8b1dd74bb56b3f500b1a32c9dea0 /src | |
| parent | 6d36a6a20f6e0c7082243c0dabe1a6b734c5002b (diff) | |
add pdom analysis for function calls -- doesn't fix regressions
Diffstat (limited to 'src')
| -rw-r--r-- | src/cuda-sim/cuda-sim.cc | 2 | ||||
| -rw-r--r-- | src/cuda-sim/instructions.cc | 9 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc index 39a04dd..987e3f2 100644 --- a/src/cuda-sim/cuda-sim.cc +++ b/src/cuda-sim/cuda-sim.cc @@ -255,10 +255,10 @@ void function_info::ptx_assemble() printf(" done.\n"); fflush(stdout); - printf("GPGPU-Sim PTX: finding reconvergence points for \'%s\'...\n", m_name.c_str() ); //disable pdom analysis here and do it at runtime #if 0 + printf("GPGPU-Sim PTX: finding reconvergence points for \'%s\'...\n", m_name.c_str() ); create_basic_blocks(); connect_basic_blocks(); bool modified = false; diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc index 71286c9..5d97287 100644 --- a/src/cuda-sim/instructions.cc +++ b/src/cuda-sim/instructions.cc @@ -1466,7 +1466,14 @@ void call_impl( const ptx_instruction *pI, ptx_thread_info *thread ) const operand_info &target = pI->func_addr(); assert( target.is_function_address() ); const symbol *func_addr = target.get_symbol(); - const function_info *target_func = func_addr->get_pc(); + function_info *target_func = func_addr->get_pc(); + if (target_func->is_pdom_set()) { + printf("GPGPU-Sim PTX: PDOM analysis already done for %s \n", target_func->get_name().c_str() ); + } else { + printf("GPGPU-Sim PTX: finding reconvergence points for \'%s\'...\n", target_func->get_name().c_str() ); + target_func->do_pdom(); + target_func->set_pdom(); + } // check that number of args and return match function requirements if( pI->has_return() ^ target_func->has_return() ) { |