diff options
Diffstat (limited to 'src/cuda-sim/instructions.cc')
| -rw-r--r-- | src/cuda-sim/instructions.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/cuda-sim/instructions.cc b/src/cuda-sim/instructions.cc index 36aa29f..4eb5ce3 100644 --- a/src/cuda-sim/instructions.cc +++ b/src/cuda-sim/instructions.cc @@ -130,6 +130,8 @@ ptx_reg_t ptx_thread_info::get_operand_value( const operand_info &op, operand_in result.u64 = sym->get_address() + op.get_addr_offset(); } else if ( op.is_shared() ) { result.u64 = op.get_symbol()->get_address() + op.get_addr_offset(); + } else if ( op.is_sstarr() ) { + result.u64 = op.get_symbol()->get_address() + op.get_addr_offset(); } else { const char *name = op.name().c_str(); printf("GPGPU-Sim PTX: ERROR ** get_operand_value : unknown memory operand type for %s\n", name ); @@ -142,6 +144,8 @@ ptx_reg_t ptx_thread_info::get_operand_value( const operand_info &op, operand_in result.u64 = op.get_symbol()->get_address(); } else if ( op.is_shared() ) { result.u64 = op.get_symbol()->get_address(); + } else if ( op.is_sstarr() ) { + result.u64 = op.get_symbol()->get_address(); } else if ( op.is_const() ) { result.u64 = op.get_symbol()->get_address(); } else if ( op.is_global() ) { @@ -2347,6 +2351,7 @@ void decode_space( memory_space_t &space, ptx_thread_info *thread, const operand case surf_space: mem = thread->get_surf_memory(); break; case param_space_kernel: mem = thread->get_param_memory(); break; case shared_space: mem = thread->m_shared_mem; break; + case sstarr_space: mem = thread->m_sstarr_mem; break; case const_space: mem = thread->get_global_memory(); break; case generic_space: if( thread->get_ptx_version().ver() >= 2.0 ) { @@ -3736,7 +3741,67 @@ void sqrt_impl( const ptx_instruction *pI, ptx_thread_info *thread ) void sst_impl( const ptx_instruction *pI, ptx_thread_info *thread ) { + const operand_info &src1 = pI->src1(); + const operand_info &src3 = pI->src3(); //may be scalar or vector of regs + unsigned type = pI->get_type(); + ptx_reg_t addr_reg = thread->get_operand_value(src1, src1, type, thread, 1); + ptx_reg_t src3_data; + memory_space_t space = pI->get_space(); + + memory_space *mem = NULL; + addr_t addr = addr_reg.u32; + + decode_space(space,thread,src1,mem,addr); + + size_t size; + int t; + type_info_key::type_decode(type,size,t); + + src3_data = thread->get_operand_value(src3, src1, type, thread, 1); + mem->write(addr,size/8,&src3_data.s64,thread,pI); + thread->m_last_effective_address = addr; + thread->m_last_memory_space = space; + + printf("SST instruction found.\n"); + + /*const operand_info &dst = pI->dst(); + const operand_info &src1 = pI->src1(); + const operand_info &src2 = pI->src2(); + const operand_info &src3 = pI->src3(); + + unsigned type = pI->get_type(); + ptx_reg_t addr_reg = thread->get_operand_value(src1, src1, type, thread, 1); + memory_space_t space = pI->get_space(); + + memory_space *mem = NULL; + addr_t addr = addr_reg.u32; + + decode_space(space,thread,src1,mem,addr); + + size_t size; + int t; + type_info_key::type_decode(type,size,t); + + ptx_reg_t src2_data = thread->get_operand_value(src2, src1, type, thread, 1); + ptx_reg_t src3_data = thread->get_operand_value(src3, src1, type, thread, 1); + mem->write(addr,size/8,&src3_data.s64,thread,pI);*/ + + /* + switch ( i_type ) { + case U32_TYPE: + data.u64 = (src1_data.u64 & 0xFFFFFFFF) + (src2_data.u64 & 0xFFFFFFFF); + carry = (data.u64 & 0x100000000)>>32; + break; + case U64_TYPE: + data.u64 = src1_data.u64 + src2_data.u64; + break; + default: assert(0); break; + }*/ + + //thread->set_operand_value(dst, data, i_type, thread, pI, overflow, carry ); + //thread->m_last_effective_address = addr; + //thread->m_last_memory_space = space; } void ssy_impl( const ptx_instruction *pI, ptx_thread_info *thread ) |