diff options
Diffstat (limited to 'src/gpgpu-sim')
| -rw-r--r-- | src/gpgpu-sim/shader.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc index 4640d65..da85bae 100644 --- a/src/gpgpu-sim/shader.cc +++ b/src/gpgpu-sim/shader.cc @@ -3034,6 +3034,12 @@ bool opndcoll_rfu_t::writeback( const warp_inst_t &inst ) for( r=regs.begin(); r!=regs.end();r++,n++ ) { unsigned reg = *r; unsigned bank = register_bank(reg,inst.warp_id(),m_num_banks,m_bank_warp_shift); + unsigned count = 0; + while( !m_arbiter.bank_idle(bank) ) { + assert((++count)<m_num_banks); + bank++; + bank %= m_num_banks; + } if( m_arbiter.bank_idle(bank) ) { m_arbiter.allocate_bank_for_write(bank,op_t(&inst,reg,m_num_banks,m_bank_warp_shift)); } else { |