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annotate src/gpu/ptx/vm/ptxKernelArguments.cpp @ 12574:04e51b3026c0

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Thu, 24 Oct 2013 23:47:41 +0200
parents 11b086b1bae4
children 1a7e7011a341
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
49bb1bc983c6 Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "ptxKernelArguments.hpp"
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27 #include "runtime/javaCalls.hpp"
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28
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29 gpu::Ptx::cuda_cu_memalloc_func_t gpu::Ptx::_cuda_cu_memalloc;
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30 gpu::Ptx::cuda_cu_memcpy_htod_func_t gpu::Ptx::_cuda_cu_memcpy_htod;
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31
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32 // Get next java argument
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33 oop PTXKernelArguments::next_arg(BasicType expectedType) {
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34 assert(_index < _args->length(), "out of bounds");
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35 oop arg = ((objArrayOop) (_args))->obj_at(_index++);
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36 assert(expectedType == T_OBJECT ||
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37 java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
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38 return arg;
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39 }
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40
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41 void PTXKernelArguments::do_int() {
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42 // If the parameter is a return value,
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43 if (is_return_type()) {
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44 if (is_kernel_arg_setup()) {
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45 // Allocate device memory for T_INT return value pointer on device. Size in bytes
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46 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_INT_BYTE_SIZE);
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47 if (status != GRAAL_CUDA_SUCCESS) {
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48 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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49 _success = false;
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50 return;
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51 }
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52 // Push _dev_return_value to _kernelBuffer
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53 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
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54 }
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55 _bufferOffset += sizeof(_dev_return_value);
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56 } else {
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57 // Get the next java argument and its value which should be a T_INT
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58 oop arg = next_arg(T_INT);
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59 // Copy the java argument value to kernelArgBuffer
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60 jvalue intval;
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61 if (java_lang_boxing_object::get_value(arg, &intval) != T_INT) {
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62 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_INT");
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63 _success = false;
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64 return;
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65 }
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66 if (is_kernel_arg_setup()) {
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67 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = intval.i;
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68 }
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69 // Advance _bufferOffset
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70 _bufferOffset += sizeof(intval.i);
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71 }
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72 return;
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73 }
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74
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75 void PTXKernelArguments::do_float() {
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76 // If the parameter is a return value,
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77 if (is_return_type()) {
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78 if (is_kernel_arg_setup()) {
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79 // Allocate device memory for T_INT return value pointer on device. Size in bytes
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80 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_FLOAT_BYTE_SIZE);
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81 if (status != GRAAL_CUDA_SUCCESS) {
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82 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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83 _success = false;
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84 return;
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85 }
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86 // Push _dev_return_value to _kernelBuffer
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87 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
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88 }
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89 // Advance _bufferOffset
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90 _bufferOffset += sizeof(_dev_return_value);
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91 } else {
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92 // Get the next java argument and its value which should be a T_FLOAT
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93 oop arg = next_arg(T_FLOAT);
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94 // Copy the java argument value to kernelArgBuffer
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95 jvalue floatval;
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96 if (java_lang_boxing_object::get_value(arg, &floatval) != T_FLOAT) {
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97 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_FLOAT");
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98 _success = false;
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99 return;
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100 }
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101 if (is_kernel_arg_setup()) {
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102 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = (gpu::Ptx::CUdeviceptr) floatval.f;
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103 }
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104 // Advance _bufferOffset
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105 _bufferOffset += sizeof(floatval.f);
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106 }
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107 return;
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108 }
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109
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110 void PTXKernelArguments::do_double() {
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111 // If the parameter is a return value,
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112 jvalue doubleval;
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113 if (is_return_type()) {
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114 if (is_kernel_arg_setup()) {
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115 // Allocate device memory for T_INT return value pointer on device. Size in bytes
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116 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_DOUBLE_BYTE_SIZE);
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diff changeset
117 if (status != GRAAL_CUDA_SUCCESS) {
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118 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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119 _success = false;
11902
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120 return;
12519
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121 }
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122 // Push _dev_return_value to _kernelBuffer
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123 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
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124 }
12519
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125 // Advance _bufferOffset
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126 _bufferOffset += sizeof(doubleval.d);
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127 } else {
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128 // Get the next java argument and its value which should be a T_INT
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129 oop arg = next_arg(T_FLOAT);
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130 // Copy the java argument value to kernelArgBuffer
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131 if (java_lang_boxing_object::get_value(arg, &doubleval) != T_DOUBLE) {
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132 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_INT");
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133 _success = false;
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134 return;
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135 }
12519
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136 if (is_kernel_arg_setup()) {
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137 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = (gpu::Ptx::CUdeviceptr) doubleval.d;
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138 }
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139 // Advance _bufferOffset
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140 _bufferOffset += sizeof(doubleval.d);
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141 }
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142 return;
11902
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143 }
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diff changeset
144
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145 void PTXKernelArguments::do_long() {
11596
91e5f927af63 Initial implementation of PTXRuntime (RegisterConfig, PTX description etc); guarded with new flag UseGPU. Specify -XX:+UseGPU to exercise this new implementation.
bharadwaj
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146 // If the parameter is a return value,
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147 if (is_return_type()) {
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148 if (is_kernel_arg_setup()) {
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diff changeset
149 // Allocate device memory for T_LONG return value pointer on device. Size in bytes
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diff changeset
150 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_LONG_BYTE_SIZE);
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diff changeset
151 if (status != GRAAL_CUDA_SUCCESS) {
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152 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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153 _success = false;
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154 return;
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155 }
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156 // Push _dev_return_value to _kernelBuffer
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157 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
11485
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158 }
12519
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159 // Advance _bufferOffset
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160 _bufferOffset += sizeof(_dev_return_value);
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diff changeset
161 } else {
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162 // Get the next java argument and its value which should be a T_LONG
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163 oop arg = next_arg(T_LONG);
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164 // Copy the java argument value to kernelArgBuffer
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diff changeset
165 jvalue val;
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diff changeset
166 if (java_lang_boxing_object::get_value(arg, &val) != T_LONG) {
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167 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_LONG");
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168 _success = false;
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diff changeset
169 return;
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170 }
12519
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171 if (is_kernel_arg_setup()) {
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172 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = val.j;
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173 }
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diff changeset
174 // Advance _bufferOffset
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diff changeset
175 _bufferOffset += sizeof(val.j);
49bb1bc983c6 Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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diff changeset
176 }
49bb1bc983c6 Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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177 return;
49bb1bc983c6 Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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178 }
49bb1bc983c6 Implement several missing PTX codegen features; return value capture and method args passing of java method executed on GPU.
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179
11821
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diff changeset
180 void PTXKernelArguments::do_byte() {
12519
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181 // If the parameter is a return value,
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diff changeset
182 if (is_return_type()) {
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diff changeset
183 if (is_kernel_arg_setup()) {
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diff changeset
184 // Allocate device memory for T_BYTE return value pointer on device. Size in bytes
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diff changeset
185 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_BYTE_SIZE);
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diff changeset
186 if (status != GRAAL_CUDA_SUCCESS) {
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diff changeset
187 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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diff changeset
188 _success = false;
11821
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diff changeset
189 return;
12519
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diff changeset
190 }
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diff changeset
191 // Push _dev_return_value to _kernelBuffer
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diff changeset
192 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
11821
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diff changeset
193 }
12519
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194 // Advance _bufferOffset
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195 _bufferOffset += sizeof(_dev_return_value);
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diff changeset
196 } else {
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diff changeset
197 // Get the next java argument and its value which should be a T_BYTE
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diff changeset
198 oop arg = next_arg(T_BYTE);
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diff changeset
199 // Copy the java argument value to kernelArgBuffer
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diff changeset
200 jvalue val;
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diff changeset
201 if (java_lang_boxing_object::get_value(arg, &val) != T_BYTE) {
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diff changeset
202 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_BYTE");
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diff changeset
203 _success = false;
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diff changeset
204 return;
11821
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diff changeset
205 }
12519
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diff changeset
206 if (is_kernel_arg_setup()) {
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diff changeset
207 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = val.b;
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diff changeset
208 }
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diff changeset
209 // Advance _bufferOffset
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diff changeset
210 _bufferOffset += sizeof(val.b);
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diff changeset
211 }
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diff changeset
212 return;
11821
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diff changeset
213 }
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diff changeset
214
11901
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Morris Meyer <morris.meyer@oracle.com>
parents: 11894
diff changeset
215 void PTXKernelArguments::do_bool() {
12519
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diff changeset
216 // If the parameter is a return value,
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diff changeset
217 if (is_return_type()) {
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diff changeset
218 if (is_kernel_arg_setup()) {
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diff changeset
219 // Allocate device memory for T_BYTE return value pointer on device. Size in bytes
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diff changeset
220 int status = gpu::Ptx::_cuda_cu_memalloc(&_dev_return_value, T_BOOLEAN_SIZE);
f020e149c1b6 PTX codegen enhancements; fixes to PTX test regressions.
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diff changeset
221 if (status != GRAAL_CUDA_SUCCESS) {
f020e149c1b6 PTX codegen enhancements; fixes to PTX test regressions.
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222 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for return value pointer on device", status);
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223 _success = false;
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224 return;
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225 }
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226 // Push _dev_return_value to _kernelBuffer
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227 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = _dev_return_value;
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228 }
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229 // Advance _bufferOffset
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230 _bufferOffset += sizeof(_dev_return_value);
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231 } else {
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232 // Get the next java argument and its value which should be a T_BYTE
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233 oop arg = next_arg(T_BYTE);
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234 // Copy the java argument value to kernelArgBuffer
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235 jvalue val;
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236 if (java_lang_boxing_object::get_value(arg, &val) != T_BOOLEAN) {
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237 tty->print_cr("[CUDA] *** Error: Unexpected argument type; expecting T_BYTE");
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238 _success = false;
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239 return;
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240 }
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241 if (is_kernel_arg_setup()) {
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242 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = val.z;
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243 }
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244 // Advance _bufferOffset
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245 _bufferOffset += sizeof(val.z);
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246 }
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247 return;
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248 }
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249
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250 void PTXKernelArguments::do_array(int begin, int end) {
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251 // Get the next java argument and its value which should be a T_ARRAY
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252 oop arg = next_arg(T_OBJECT);
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253 assert(arg->is_array(), "argument value not an array");
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254 // Size of array argument
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255 int argSize = arg->size() * HeapWordSize;
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256 // Device pointer to array argument.
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257 gpu::Ptx::CUdeviceptr arrayArgOnDev;
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258 int status;
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259
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260 if (is_kernel_arg_setup()) {
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261 // Allocate device memory for array argument on device. Size in bytes
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262 status = gpu::Ptx::_cuda_cu_memalloc(&arrayArgOnDev, argSize);
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263 if (status != GRAAL_CUDA_SUCCESS) {
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264 tty->print_cr("[CUDA] *** Error (%d) Failed to allocate memory for array argument on device",
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265 status);
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266 _success = false;
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267 return;
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268 }
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269 // Copy array argument to device
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270 status = gpu::Ptx::_cuda_cu_memcpy_htod(arrayArgOnDev, arg, argSize);
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271 if (status != GRAAL_CUDA_SUCCESS) {
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272 tty->print_cr("[CUDA] *** Error (%d) Failed to copy array argument content to device memory",
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diff changeset
273 status);
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274 _success = false;
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275 return;
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276 }
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277
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278 // Push device array argument to _kernelBuffer
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279 *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]) = arrayArgOnDev;
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280 } else {
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281 arrayArgOnDev = *((gpu::Ptx::CUdeviceptr*) &_kernelArgBuffer[_bufferOffset]);
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282 status = gpu::Ptx::_cuda_cu_memcpy_dtoh(arg, arrayArgOnDev, argSize);
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283 if (status != GRAAL_CUDA_SUCCESS) {
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284 tty->print_cr("[CUDA] *** Error (%d) Failed to copy array argument to host", status);
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285 _success = false;
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286 return;
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287 }
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288 }
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diff changeset
289
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290 // Advance _bufferOffset
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291 _bufferOffset += sizeof(arrayArgOnDev);
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diff changeset
292 return;
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293 }
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294
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diff changeset
295 void PTXKernelArguments::do_void() {
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296 return;
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297 }
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298
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299 // TODO implement other do_*