Mercurial > hg > truffle
annotate src/share/vm/opto/vectornode.cpp @ 18136:52b8826ef035
Backout wrong change in 2a69cbe850a8
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 21 Oct 2014 10:20:33 +0200 |
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0 | 1 /* |
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2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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. |
0 | 22 */ |
23 | |
1972 | 24 #include "precompiled.hpp" |
25 #include "memory/allocation.inline.hpp" | |
26 #include "opto/connode.hpp" | |
27 #include "opto/vectornode.hpp" | |
0 | 28 |
29 //------------------------------VectorNode-------------------------------------- | |
30 | |
31 // Return the vector operator for the specified scalar operation | |
6890 | 32 // and vector length. |
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33 int VectorNode::opcode(int sopc, BasicType bt) { |
0 | 34 switch (sopc) { |
35 case Op_AddI: | |
36 switch (bt) { | |
37 case T_BOOLEAN: | |
38 case T_BYTE: return Op_AddVB; | |
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39 case T_CHAR: |
0 | 40 case T_SHORT: return Op_AddVS; |
41 case T_INT: return Op_AddVI; | |
42 } | |
43 ShouldNotReachHere(); | |
44 case Op_AddL: | |
45 assert(bt == T_LONG, "must be"); | |
46 return Op_AddVL; | |
47 case Op_AddF: | |
48 assert(bt == T_FLOAT, "must be"); | |
49 return Op_AddVF; | |
50 case Op_AddD: | |
51 assert(bt == T_DOUBLE, "must be"); | |
52 return Op_AddVD; | |
53 case Op_SubI: | |
54 switch (bt) { | |
55 case T_BOOLEAN: | |
56 case T_BYTE: return Op_SubVB; | |
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57 case T_CHAR: |
0 | 58 case T_SHORT: return Op_SubVS; |
59 case T_INT: return Op_SubVI; | |
60 } | |
61 ShouldNotReachHere(); | |
62 case Op_SubL: | |
63 assert(bt == T_LONG, "must be"); | |
64 return Op_SubVL; | |
65 case Op_SubF: | |
66 assert(bt == T_FLOAT, "must be"); | |
67 return Op_SubVF; | |
68 case Op_SubD: | |
69 assert(bt == T_DOUBLE, "must be"); | |
70 return Op_SubVD; | |
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71 case Op_MulI: |
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72 switch (bt) { |
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73 case T_BOOLEAN: |
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74 case T_BYTE: return 0; // Unimplemented |
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75 case T_CHAR: |
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76 case T_SHORT: return Op_MulVS; |
6890 | 77 case T_INT: return Op_MulVI; |
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78 } |
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79 ShouldNotReachHere(); |
0 | 80 case Op_MulF: |
81 assert(bt == T_FLOAT, "must be"); | |
82 return Op_MulVF; | |
83 case Op_MulD: | |
84 assert(bt == T_DOUBLE, "must be"); | |
85 return Op_MulVD; | |
86 case Op_DivF: | |
87 assert(bt == T_FLOAT, "must be"); | |
88 return Op_DivVF; | |
89 case Op_DivD: | |
90 assert(bt == T_DOUBLE, "must be"); | |
91 return Op_DivVD; | |
92 case Op_LShiftI: | |
93 switch (bt) { | |
94 case T_BOOLEAN: | |
95 case T_BYTE: return Op_LShiftVB; | |
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96 case T_CHAR: |
0 | 97 case T_SHORT: return Op_LShiftVS; |
98 case T_INT: return Op_LShiftVI; | |
99 } | |
100 ShouldNotReachHere(); | |
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101 case Op_LShiftL: |
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102 assert(bt == T_LONG, "must be"); |
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103 return Op_LShiftVL; |
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104 case Op_RShiftI: |
0 | 105 switch (bt) { |
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106 case T_BOOLEAN:return Op_URShiftVB; // boolean is unsigned value |
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107 case T_CHAR: return Op_URShiftVS; // char is unsigned value |
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108 case T_BYTE: return Op_RShiftVB; |
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109 case T_SHORT: return Op_RShiftVS; |
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110 case T_INT: return Op_RShiftVI; |
0 | 111 } |
112 ShouldNotReachHere(); | |
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113 case Op_RShiftL: |
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114 assert(bt == T_LONG, "must be"); |
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115 return Op_RShiftVL; |
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116 case Op_URShiftI: |
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117 switch (bt) { |
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118 case T_BOOLEAN:return Op_URShiftVB; |
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119 case T_CHAR: return Op_URShiftVS; |
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120 case T_BYTE: |
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121 case T_SHORT: return 0; // Vector logical right shift for signed short |
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122 // values produces incorrect Java result for |
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123 // negative data because java code should convert |
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124 // a short value into int value with sign |
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125 // extension before a shift. |
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126 case T_INT: return Op_URShiftVI; |
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127 } |
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128 ShouldNotReachHere(); |
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129 case Op_URShiftL: |
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130 assert(bt == T_LONG, "must be"); |
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131 return Op_URShiftVL; |
0 | 132 case Op_AndI: |
133 case Op_AndL: | |
134 return Op_AndV; | |
135 case Op_OrI: | |
136 case Op_OrL: | |
137 return Op_OrV; | |
138 case Op_XorI: | |
139 case Op_XorL: | |
140 return Op_XorV; | |
141 | |
142 case Op_LoadB: | |
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143 case Op_LoadUB: |
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144 case Op_LoadUS: |
0 | 145 case Op_LoadS: |
146 case Op_LoadI: | |
147 case Op_LoadL: | |
148 case Op_LoadF: | |
149 case Op_LoadD: | |
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150 return Op_LoadVector; |
0 | 151 |
152 case Op_StoreB: | |
153 case Op_StoreC: | |
154 case Op_StoreI: | |
155 case Op_StoreL: | |
156 case Op_StoreF: | |
157 case Op_StoreD: | |
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158 return Op_StoreVector; |
0 | 159 } |
160 return 0; // Unimplemented | |
161 } | |
162 | |
6890 | 163 // Also used to check if the code generator |
164 // supports the vector operation. | |
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165 bool VectorNode::implemented(int opc, uint vlen, BasicType bt) { |
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166 if (is_java_primitive(bt) && |
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167 (vlen > 1) && is_power_of_2(vlen) && |
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168 Matcher::vector_size_supported(bt, vlen)) { |
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169 int vopc = VectorNode::opcode(opc, bt); |
6890 | 170 return vopc > 0 && Matcher::match_rule_supported(vopc); |
0 | 171 } |
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172 return false; |
0 | 173 } |
174 | |
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175 bool VectorNode::is_shift(Node* n) { |
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176 switch (n->Opcode()) { |
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177 case Op_LShiftI: |
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178 case Op_LShiftL: |
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179 case Op_RShiftI: |
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180 case Op_RShiftL: |
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181 case Op_URShiftI: |
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182 case Op_URShiftL: |
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183 return true; |
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184 } |
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185 return false; |
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186 } |
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187 |
6617 | 188 // Check if input is loop invariant vector. |
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189 bool VectorNode::is_invariant_vector(Node* n) { |
6617 | 190 // Only Replicate vector nodes are loop invariant for now. |
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191 switch (n->Opcode()) { |
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192 case Op_ReplicateB: |
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193 case Op_ReplicateS: |
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194 case Op_ReplicateI: |
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195 case Op_ReplicateL: |
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196 case Op_ReplicateF: |
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197 case Op_ReplicateD: |
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198 return true; |
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199 } |
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200 return false; |
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201 } |
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202 |
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203 // [Start, end) half-open range defining which operands are vectors |
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204 void VectorNode::vector_operands(Node* n, uint* start, uint* end) { |
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205 switch (n->Opcode()) { |
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206 case Op_LoadB: case Op_LoadUB: |
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207 case Op_LoadS: case Op_LoadUS: |
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208 case Op_LoadI: case Op_LoadL: |
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209 case Op_LoadF: case Op_LoadD: |
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210 case Op_LoadP: case Op_LoadN: |
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211 *start = 0; |
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212 *end = 0; // no vector operands |
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213 break; |
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214 case Op_StoreB: case Op_StoreC: |
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215 case Op_StoreI: case Op_StoreL: |
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216 case Op_StoreF: case Op_StoreD: |
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217 case Op_StoreP: case Op_StoreN: |
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218 *start = MemNode::ValueIn; |
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219 *end = MemNode::ValueIn + 1; // 1 vector operand |
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220 break; |
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221 case Op_LShiftI: case Op_LShiftL: |
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222 case Op_RShiftI: case Op_RShiftL: |
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223 case Op_URShiftI: case Op_URShiftL: |
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224 *start = 1; |
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225 *end = 2; // 1 vector operand |
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226 break; |
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227 case Op_AddI: case Op_AddL: case Op_AddF: case Op_AddD: |
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228 case Op_SubI: case Op_SubL: case Op_SubF: case Op_SubD: |
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229 case Op_MulI: case Op_MulL: case Op_MulF: case Op_MulD: |
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230 case Op_DivF: case Op_DivD: |
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231 case Op_AndI: case Op_AndL: |
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232 case Op_OrI: case Op_OrL: |
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233 case Op_XorI: case Op_XorL: |
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234 *start = 1; |
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235 *end = 3; // 2 vector operands |
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236 break; |
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237 case Op_CMoveI: case Op_CMoveL: case Op_CMoveF: case Op_CMoveD: |
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238 *start = 2; |
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239 *end = n->req(); |
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240 break; |
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241 default: |
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242 *start = 1; |
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243 *end = n->req(); // default is all operands |
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244 } |
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245 } |
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246 |
0 | 247 // Return the vector version of a scalar operation node. |
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248 VectorNode* VectorNode::make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt) { |
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249 const TypeVect* vt = TypeVect::make(bt, vlen); |
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250 int vopc = VectorNode::opcode(opc, bt); |
6823 | 251 // This method should not be called for unimplemented vectors. |
252 guarantee(vopc > 0, err_msg_res("Vector for '%s' is not implemented", NodeClassNames[opc])); | |
0 | 253 |
254 switch (vopc) { | |
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255 case Op_AddVB: return new (C) AddVBNode(n1, n2, vt); |
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256 case Op_AddVS: return new (C) AddVSNode(n1, n2, vt); |
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257 case Op_AddVI: return new (C) AddVINode(n1, n2, vt); |
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258 case Op_AddVL: return new (C) AddVLNode(n1, n2, vt); |
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259 case Op_AddVF: return new (C) AddVFNode(n1, n2, vt); |
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260 case Op_AddVD: return new (C) AddVDNode(n1, n2, vt); |
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261 |
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262 case Op_SubVB: return new (C) SubVBNode(n1, n2, vt); |
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263 case Op_SubVS: return new (C) SubVSNode(n1, n2, vt); |
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264 case Op_SubVI: return new (C) SubVINode(n1, n2, vt); |
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265 case Op_SubVL: return new (C) SubVLNode(n1, n2, vt); |
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266 case Op_SubVF: return new (C) SubVFNode(n1, n2, vt); |
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267 case Op_SubVD: return new (C) SubVDNode(n1, n2, vt); |
0 | 268 |
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269 case Op_MulVS: return new (C) MulVSNode(n1, n2, vt); |
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270 case Op_MulVI: return new (C) MulVINode(n1, n2, vt); |
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271 case Op_MulVF: return new (C) MulVFNode(n1, n2, vt); |
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272 case Op_MulVD: return new (C) MulVDNode(n1, n2, vt); |
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273 |
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274 case Op_DivVF: return new (C) DivVFNode(n1, n2, vt); |
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275 case Op_DivVD: return new (C) DivVDNode(n1, n2, vt); |
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276 |
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277 case Op_LShiftVB: return new (C) LShiftVBNode(n1, n2, vt); |
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278 case Op_LShiftVS: return new (C) LShiftVSNode(n1, n2, vt); |
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279 case Op_LShiftVI: return new (C) LShiftVINode(n1, n2, vt); |
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280 case Op_LShiftVL: return new (C) LShiftVLNode(n1, n2, vt); |
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281 |
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282 case Op_RShiftVB: return new (C) RShiftVBNode(n1, n2, vt); |
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283 case Op_RShiftVS: return new (C) RShiftVSNode(n1, n2, vt); |
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284 case Op_RShiftVI: return new (C) RShiftVINode(n1, n2, vt); |
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285 case Op_RShiftVL: return new (C) RShiftVLNode(n1, n2, vt); |
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286 |
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287 case Op_URShiftVB: return new (C) URShiftVBNode(n1, n2, vt); |
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288 case Op_URShiftVS: return new (C) URShiftVSNode(n1, n2, vt); |
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289 case Op_URShiftVI: return new (C) URShiftVINode(n1, n2, vt); |
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290 case Op_URShiftVL: return new (C) URShiftVLNode(n1, n2, vt); |
0 | 291 |
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292 case Op_AndV: return new (C) AndVNode(n1, n2, vt); |
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293 case Op_OrV: return new (C) OrVNode (n1, n2, vt); |
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294 case Op_XorV: return new (C) XorVNode(n1, n2, vt); |
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295 } |
6823 | 296 fatal(err_msg_res("Missed vector creation for '%s'", NodeClassNames[vopc])); |
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297 return NULL; |
0 | 298 |
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299 } |
0 | 300 |
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301 // Scalar promotion |
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302 VectorNode* VectorNode::scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t) { |
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303 BasicType bt = opd_t->array_element_basic_type(); |
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304 const TypeVect* vt = opd_t->singleton() ? TypeVect::make(opd_t, vlen) |
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305 : TypeVect::make(bt, vlen); |
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306 switch (bt) { |
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307 case T_BOOLEAN: |
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308 case T_BYTE: |
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309 return new (C) ReplicateBNode(s, vt); |
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310 case T_CHAR: |
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311 case T_SHORT: |
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312 return new (C) ReplicateSNode(s, vt); |
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313 case T_INT: |
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314 return new (C) ReplicateINode(s, vt); |
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315 case T_LONG: |
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316 return new (C) ReplicateLNode(s, vt); |
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317 case T_FLOAT: |
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318 return new (C) ReplicateFNode(s, vt); |
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319 case T_DOUBLE: |
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320 return new (C) ReplicateDNode(s, vt); |
0 | 321 } |
6823 | 322 fatal(err_msg_res("Type '%s' is not supported for vectors", type2name(bt))); |
323 return NULL; | |
324 } | |
325 | |
326 VectorNode* VectorNode::shift_count(Compile* C, Node* shift, Node* cnt, uint vlen, BasicType bt) { | |
327 assert(VectorNode::is_shift(shift) && !cnt->is_Con(), "only variable shift count"); | |
328 // Match shift count type with shift vector type. | |
329 const TypeVect* vt = TypeVect::make(bt, vlen); | |
330 switch (shift->Opcode()) { | |
331 case Op_LShiftI: | |
332 case Op_LShiftL: | |
333 return new (C) LShiftCntVNode(cnt, vt); | |
334 case Op_RShiftI: | |
335 case Op_RShiftL: | |
336 case Op_URShiftI: | |
337 case Op_URShiftL: | |
338 return new (C) RShiftCntVNode(cnt, vt); | |
339 } | |
340 fatal(err_msg_res("Missed vector creation for '%s'", NodeClassNames[shift->Opcode()])); | |
0 | 341 return NULL; |
342 } | |
343 | |
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344 // Return initial Pack node. Additional operands added with add_opd() calls. |
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345 PackNode* PackNode::make(Compile* C, Node* s, uint vlen, BasicType bt) { |
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346 const TypeVect* vt = TypeVect::make(bt, vlen); |
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347 switch (bt) { |
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348 case T_BOOLEAN: |
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349 case T_BYTE: |
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350 return new (C) PackBNode(s, vt); |
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351 case T_CHAR: |
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352 case T_SHORT: |
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353 return new (C) PackSNode(s, vt); |
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354 case T_INT: |
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355 return new (C) PackINode(s, vt); |
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356 case T_LONG: |
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357 return new (C) PackLNode(s, vt); |
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358 case T_FLOAT: |
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359 return new (C) PackFNode(s, vt); |
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360 case T_DOUBLE: |
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361 return new (C) PackDNode(s, vt); |
0 | 362 } |
6823 | 363 fatal(err_msg_res("Type '%s' is not supported for vectors", type2name(bt))); |
0 | 364 return NULL; |
365 } | |
366 | |
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367 // Create a binary tree form for Packs. [lo, hi) (half-open) range |
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368 PackNode* PackNode::binary_tree_pack(Compile* C, int lo, int hi) { |
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369 int ct = hi - lo; |
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370 assert(is_power_of_2(ct), "power of 2"); |
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371 if (ct == 2) { |
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372 PackNode* pk = PackNode::make(C, in(lo), 2, vect_type()->element_basic_type()); |
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373 pk->add_opd(in(lo+1)); |
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374 return pk; |
0 | 375 |
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376 } else { |
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377 int mid = lo + ct/2; |
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378 PackNode* n1 = binary_tree_pack(C, lo, mid); |
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379 PackNode* n2 = binary_tree_pack(C, mid, hi ); |
0 | 380 |
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381 BasicType bt = n1->vect_type()->element_basic_type(); |
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382 assert(bt == n2->vect_type()->element_basic_type(), "should be the same"); |
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383 switch (bt) { |
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384 case T_BOOLEAN: |
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385 case T_BYTE: |
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386 return new (C) PackSNode(n1, n2, TypeVect::make(T_SHORT, 2)); |
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387 case T_CHAR: |
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388 case T_SHORT: |
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389 return new (C) PackINode(n1, n2, TypeVect::make(T_INT, 2)); |
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390 case T_INT: |
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391 return new (C) PackLNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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392 case T_LONG: |
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393 return new (C) Pack2LNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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394 case T_FLOAT: |
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395 return new (C) PackDNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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396 case T_DOUBLE: |
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397 return new (C) Pack2DNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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398 } |
6823 | 399 fatal(err_msg_res("Type '%s' is not supported for vectors", type2name(bt))); |
0 | 400 } |
401 return NULL; | |
402 } | |
403 | |
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404 // Return the vector version of a scalar load node. |
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405 LoadVectorNode* LoadVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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406 Node* adr, const TypePtr* atyp, uint vlen, BasicType bt) { |
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407 const TypeVect* vt = TypeVect::make(bt, vlen); |
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408 return new (C) LoadVectorNode(ctl, mem, adr, atyp, vt); |
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409 } |
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410 |
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411 // Return the vector version of a scalar store node. |
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412 StoreVectorNode* StoreVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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413 Node* adr, const TypePtr* atyp, Node* val, |
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414 uint vlen) { |
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415 return new (C) StoreVectorNode(ctl, mem, adr, atyp, val); |
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416 } |
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417 |
0 | 418 // Extract a scalar element of vector. |
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419 Node* ExtractNode::make(Compile* C, Node* v, uint position, BasicType bt) { |
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420 assert((int)position < Matcher::max_vector_size(bt), "pos in range"); |
0 | 421 ConINode* pos = ConINode::make(C, (int)position); |
422 switch (bt) { | |
423 case T_BOOLEAN: | |
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424 return new (C) ExtractUBNode(v, pos); |
0 | 425 case T_BYTE: |
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426 return new (C) ExtractBNode(v, pos); |
0 | 427 case T_CHAR: |
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428 return new (C) ExtractCNode(v, pos); |
0 | 429 case T_SHORT: |
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430 return new (C) ExtractSNode(v, pos); |
0 | 431 case T_INT: |
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432 return new (C) ExtractINode(v, pos); |
0 | 433 case T_LONG: |
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434 return new (C) ExtractLNode(v, pos); |
0 | 435 case T_FLOAT: |
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436 return new (C) ExtractFNode(v, pos); |
0 | 437 case T_DOUBLE: |
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438 return new (C) ExtractDNode(v, pos); |
0 | 439 } |
6823 | 440 fatal(err_msg_res("Type '%s' is not supported for vectors", type2name(bt))); |
0 | 441 return NULL; |
442 } | |
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443 |