Extended PTX parser to recognize the .ptr .shared directive and allocate shared memory buffer to those pointers. This is required to support OpenCL local memorywith the newer NVIDIA driver.

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 14565]

1 files changed, 8 insertions, 3 deletions

diff --git a/src/cuda-sim/ptx_ir.h b/src/cuda-sim/ptx_ir.h
index ffd0c58..044bce6 100644
--- a/src/cuda-sim/ptx_ir.h
+++ b/src/cuda-sim/ptx_ir.h
@@ -994,14 +994,16 @@ private:
 
 class param_info {
 public:
-   param_info() { m_valid = false; m_value_set=false; m_size = 0; }
-   param_info( std::string name, int type, size_t size ) 
+   param_info() { m_valid = false; m_value_set=false; m_size = 0; m_is_ptr = false; }
+   param_info( std::string name, int type, size_t size, bool is_ptr, memory_space_t ptr_space ) 
    {
       m_valid = true;
       m_value_set = false;
       m_name = name;
       m_type = type;
       m_size = size;
+      m_is_ptr = is_ptr; 
+      m_ptr_space = ptr_space; 
    }
    void add_data( param_t v ) { 
       assert( (!m_value_set) || (m_value.size == v.size) ); // if this fails concurrent kernel launches might execute incorrectly
@@ -1014,6 +1016,7 @@ public:
    int get_type() const { assert(m_valid);  return m_type; }
    param_t get_value() const { assert(m_value_set); return m_value; }
    size_t get_size() const { assert(m_valid); return m_size; }
+   bool is_ptr_shared() const { assert(m_valid); return (m_is_ptr and m_ptr_space == shared_space); }
 private:
    bool m_valid;
    std::string m_name;
@@ -1022,6 +1025,8 @@ private:
    bool m_value_set;
    param_t m_value;
    unsigned m_offset;
+   bool m_is_ptr; 
+   memory_space_t m_ptr_space; 
 };
 
 class function_info {
@@ -1093,7 +1098,7 @@ public:
    {
       m_kernel_params[ name ] = value;
    }
-   void add_param_name_type_size( unsigned index, std::string name, int type, size_t size );
+   void add_param_name_type_size( unsigned index, std::string name, int type, size_t size, bool ptr, memory_space_t space );
    void add_param_data( unsigned argn, struct gpgpu_ptx_sim_arg *args );
    void add_return_var( const symbol *rv )
    {