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comparison src/gpu/ptx/vm/ptxKernelArguments.cpp @ 11902:67a1e27a8dbb

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PTX initial float and double
author Morris Meyer <morris.meyer@oracle.com>
date Sun, 06 Oct 2013 22:07:23 -0400
parents 61767ccd4600
children cfba4fd3d616
comparison
equal deleted inserted replaced
11901:61767ccd4600 11902:67a1e27a8dbb
98 _success = false; 98 _success = false;
99 return; 99 return;
100 } 100 }
101 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = floatval.f; 101 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = floatval.f;
102 _bufferOffset += sizeof(floatval.f); 102 _bufferOffset += sizeof(floatval.f);
103 }
104 return;
105 }
106
107 void PTXKernelArguments::do_double() {
108 if (is_after_invocation()) {
109 return;
110 }
111 // If the parameter is a return value,
112 jvalue doubleval;
113 if (is_return_type()) {
114 // Allocate device memory for T_INT return value pointer on device. Size in bytes
115 int status = gpu::Ptx::_cuda_cu_memalloc(&_return_value_ptr, T_DOUBLE_BYTE_SIZE);
116 if (status != GRAAL_CUDA_SUCCESS) {
117 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
118 _success = false;
119 return;
120 }
121 // Push _return_value_ptr to _kernelBuffer
122 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _return_value_ptr;
123 // _bufferOffset += sizeof(_return_value_ptr);
124 _bufferOffset += sizeof(doubleval.d);
125 } else {
126 // Get the next java argument and its value which should be a T_INT
127 oop arg = next_arg(T_FLOAT);
128 // Copy the java argument value to kernelArgBuffer
129 if (java_lang_boxing_object::get_value(arg, &doubleval) != T_DOUBLE) {
130 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_INT");
131 _success = false;
132 return;
133 }
134 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = doubleval.d;
135 _bufferOffset += sizeof(doubleval.d);
103 } 136 }
104 return; 137 return;
105 } 138 }
106 139
107 void PTXKernelArguments::do_long() { 140 void PTXKernelArguments::do_long() {