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comparison src/gpu/ptx/vm/ptxKernelArguments.hpp @ 12566:c17bfad2fa98

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Merge.
author Christian Humer <christian.humer@gmail.com>
date Thu, 24 Oct 2013 15:56:08 +0200
parents f020e149c1b6
children 1a7e7011a341
comparison
equal deleted inserted replaced
12565:e47f373499ec 12566:c17bfad2fa98
40 public: 40 public:
41 // Buffer holding CUdeviceptr values that represent the kernel arguments 41 // Buffer holding CUdeviceptr values that represent the kernel arguments
42 char _kernelArgBuffer[1024]; 42 char _kernelArgBuffer[1024];
43 // Current offset into _kernelArgBuffer 43 // Current offset into _kernelArgBuffer
44 size_t _bufferOffset; 44 size_t _bufferOffset;
45 gpu::Ptx::CUdeviceptr _return_value_ptr; 45 // Device pointer holding return value
46 gpu::Ptx::CUdeviceptr _dev_return_value;
47
48 // Indicates if signature iteration is being done during kernel
49 // setup i.e., java arguments are being copied to device pointers.
50 bool _kernelArgSetup;
51
46 private: 52 private:
47 // Array of java argument oops 53 // Array of java argument oops
48 arrayOop _args; 54 arrayOop _args;
49 // Current index into _args 55 // Current index into _args
50 int _index; 56 int _index;
51 // Flag to indicate successful creation of kernel argument buffer 57 // Flag to indicate successful creation of kernel argument buffer
52 bool _success; 58 bool _success;
53 59
54 bool _afterInvoocation;
55 // Get next java argument 60 // Get next java argument
56 oop next_arg(BasicType expectedType); 61 oop next_arg(BasicType expectedType);
57 62
58 public: 63 public:
59 PTXKernelArguments(Symbol* signature, arrayOop args, bool is_static) : SignatureIterator(signature) { 64 PTXKernelArguments(Symbol* signature, arrayOop args, bool is_static) : SignatureIterator(signature) {
60 this->_return_type = T_ILLEGAL; 65 this->_return_type = T_ILLEGAL;
61 _index = 0; 66 _index = 0;
62 _args = args; 67 _args = args;
63 _success = true; 68 _success = true;
64 _bufferOffset = 0; 69 _bufferOffset = 0;
65 _return_value_ptr = 0; 70 _dev_return_value = 0;
71 _kernelArgSetup = true;
72 //_dev_call_by_reference_args_index = 0;
66 if (!is_static) { 73 if (!is_static) {
67 // TODO : Create a device argument for receiver object and add it to _kernelBuffer 74 // TODO : Create a device argument for receiver object and add it to _kernelBuffer
68 tty->print_cr("{CUDA] ****** TODO: Support for execution of non-static java methods not implemented yet."); 75 tty->print_cr("{CUDA] ****** TODO: Support for execution of non-static java methods not implemented yet.");
69 } 76 }
70 // Iterate over the entire signature 77 // Iterate over the entire signature
78 85
79 inline size_t device_argument_buffer_size() { 86 inline size_t device_argument_buffer_size() {
80 return _bufferOffset; 87 return _bufferOffset;
81 } 88 }
82 89
83 void reiterate() { 90 void copyRefArgsFromDtoH() {
84 _afterInvoocation = true; 91 _kernelArgSetup = false;
85 _bufferOffset = 0; 92 _bufferOffset = 0;
86 _index = 0; 93 _index = 0;
87 iterate(); 94 iterate();
88 } 95 }
89 96
90 inline bool is_after_invocation() { 97 inline bool is_kernel_arg_setup() {
91 return _afterInvoocation; 98 return _kernelArgSetup;
92 } 99 }
93 100
94 // Get the return oop value 101 // Get the return oop value
95 oop get_return_oop(); 102 oop get_return_oop();
96 103
97 // get device return value ptr 104 // get device return value ptr
98 gpu::Ptx::CUdeviceptr get_return_value_ptr() { 105 gpu::Ptx::CUdeviceptr get_dev_return_value() {
99 return _return_value_ptr; 106 return _dev_return_value;
100 } 107 }
101 108
102 109
103 void do_byte(); 110 void do_byte();
104 void do_bool(); 111 void do_bool();