From dafeb411265dbc0228889fe97d85b00f71363f10 Mon Sep 17 00:00:00 2001
From: Jin Wang <jin.wang@gatech.edu>
Date: Fri, 1 Jul 2016 06:54:46 -0400
Subject: MOD: compute child parameter size

---
 src/cuda-sim/cuda-sim.cc | 9 +++++++--
 src/cuda-sim/ptx_ir.cc   | 1 +
 src/cuda-sim/ptx_ir.h    | 3 +++
 3 files changed, 11 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/cuda-sim/cuda-sim.cc b/src/cuda-sim/cuda-sim.cc
index 980afc8..f5d8a88 100644
--- a/src/cuda-sim/cuda-sim.cc
+++ b/src/cuda-sim/cuda-sim.cc
@@ -1066,7 +1066,10 @@ void function_info::add_param_data( unsigned argn, struct gpgpu_ptx_sim_arg *arg
 }
 
 unsigned function_info::get_args_aligned_size() {
-  
+ 
+   if(m_args_aligned_size >= 0)
+      return m_args_aligned_size;
+ 
    unsigned param_address = 0;
    unsigned int total_size = 0;
    for( std::map<unsigned,param_info>::iterator i=m_ptx_kernel_param_info.begin(); i!=m_ptx_kernel_param_info.end(); i++ ) {
@@ -1081,7 +1084,9 @@ unsigned function_info::get_args_aligned_size() {
       total_size += arg_size;
    }
 
-   return (total_size + 3) / 4 * 4; //final size aligned to word
+   m_args_aligned_size = (total_size + 3) / 4 * 4; //final size aligned to word
+
+   return m_args_aligned_size;
 
 }
 
diff --git a/src/cuda-sim/ptx_ir.cc b/src/cuda-sim/ptx_ir.cc
index bdc8381..176eb14 100644
--- a/src/cuda-sim/ptx_ir.cc
+++ b/src/cuda-sim/ptx_ir.cc
@@ -1292,6 +1292,7 @@ function_info::function_info(int entry_point )
    m_kernel_info.regs = 0;
    m_kernel_info.smem = 0;
    m_local_mem_framesize = 0;
+   m_args_aligned_size = -1;
 }
 
 unsigned function_info::print_insn( unsigned pc, FILE * fp ) const
diff --git a/src/cuda-sim/ptx_ir.h b/src/cuda-sim/ptx_ir.h
index a7ca27e..a54ae41 100644
--- a/src/cuda-sim/ptx_ir.h
+++ b/src/cuda-sim/ptx_ir.h
@@ -291,6 +291,9 @@ private:
 
    std::list<operand_info> m_initializer;
    static unsigned sm_next_uid;
+   
+   //parameter size for device kernels
+   int m_args_aligned_size;
 };
 
 class symbol_table {
-- 
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