Mercurial > hg > graal-compiler
annotate src/share/vm/opto/vectornode.cpp @ 6268:6c5b7a6becc8
7187454: stack overflow in C2 compiler thread on Solaris x86
Summary: Added new FormatBufferResource class to use thread's resource area for error message buffer.
Reviewed-by: twisti
author | kvn |
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date | Mon, 30 Jul 2012 09:49:25 -0700 |
parents | 8c92982cbbc4 |
children | 006050192a5a |
rev | line source |
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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 | |
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32 // and vector length. Also used to check if the code generator |
0 | 33 // supports the vector operation. |
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34 int VectorNode::opcode(int sopc, uint vlen, BasicType bt) { |
0 | 35 switch (sopc) { |
36 case Op_AddI: | |
37 switch (bt) { | |
38 case T_BOOLEAN: | |
39 case T_BYTE: return Op_AddVB; | |
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40 case T_CHAR: |
0 | 41 case T_SHORT: return Op_AddVS; |
42 case T_INT: return Op_AddVI; | |
43 } | |
44 ShouldNotReachHere(); | |
45 case Op_AddL: | |
46 assert(bt == T_LONG, "must be"); | |
47 return Op_AddVL; | |
48 case Op_AddF: | |
49 assert(bt == T_FLOAT, "must be"); | |
50 return Op_AddVF; | |
51 case Op_AddD: | |
52 assert(bt == T_DOUBLE, "must be"); | |
53 return Op_AddVD; | |
54 case Op_SubI: | |
55 switch (bt) { | |
56 case T_BOOLEAN: | |
57 case T_BYTE: return Op_SubVB; | |
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58 case T_CHAR: |
0 | 59 case T_SHORT: return Op_SubVS; |
60 case T_INT: return Op_SubVI; | |
61 } | |
62 ShouldNotReachHere(); | |
63 case Op_SubL: | |
64 assert(bt == T_LONG, "must be"); | |
65 return Op_SubVL; | |
66 case Op_SubF: | |
67 assert(bt == T_FLOAT, "must be"); | |
68 return Op_SubVF; | |
69 case Op_SubD: | |
70 assert(bt == T_DOUBLE, "must be"); | |
71 return Op_SubVD; | |
72 case Op_MulF: | |
73 assert(bt == T_FLOAT, "must be"); | |
74 return Op_MulVF; | |
75 case Op_MulD: | |
76 assert(bt == T_DOUBLE, "must be"); | |
77 return Op_MulVD; | |
78 case Op_DivF: | |
79 assert(bt == T_FLOAT, "must be"); | |
80 return Op_DivVF; | |
81 case Op_DivD: | |
82 assert(bt == T_DOUBLE, "must be"); | |
83 return Op_DivVD; | |
84 case Op_LShiftI: | |
85 switch (bt) { | |
86 case T_BOOLEAN: | |
87 case T_BYTE: return Op_LShiftVB; | |
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88 case T_CHAR: |
0 | 89 case T_SHORT: return Op_LShiftVS; |
90 case T_INT: return Op_LShiftVI; | |
91 } | |
92 ShouldNotReachHere(); | |
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93 case Op_RShiftI: |
0 | 94 switch (bt) { |
95 case T_BOOLEAN: | |
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96 case T_BYTE: return Op_RShiftVB; |
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97 case T_CHAR: |
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98 case T_SHORT: return Op_RShiftVS; |
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99 case T_INT: return Op_RShiftVI; |
0 | 100 } |
101 ShouldNotReachHere(); | |
102 case Op_AndI: | |
103 case Op_AndL: | |
104 return Op_AndV; | |
105 case Op_OrI: | |
106 case Op_OrL: | |
107 return Op_OrV; | |
108 case Op_XorI: | |
109 case Op_XorL: | |
110 return Op_XorV; | |
111 | |
112 case Op_LoadB: | |
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113 case Op_LoadUB: |
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114 case Op_LoadUS: |
0 | 115 case Op_LoadS: |
116 case Op_LoadI: | |
117 case Op_LoadL: | |
118 case Op_LoadF: | |
119 case Op_LoadD: | |
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120 return Op_LoadVector; |
0 | 121 |
122 case Op_StoreB: | |
123 case Op_StoreC: | |
124 case Op_StoreI: | |
125 case Op_StoreL: | |
126 case Op_StoreF: | |
127 case Op_StoreD: | |
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128 return Op_StoreVector; |
0 | 129 } |
130 return 0; // Unimplemented | |
131 } | |
132 | |
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133 bool VectorNode::implemented(int opc, uint vlen, BasicType bt) { |
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134 if (is_java_primitive(bt) && |
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135 (vlen > 1) && is_power_of_2(vlen) && |
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136 Matcher::vector_size_supported(bt, vlen)) { |
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137 int vopc = VectorNode::opcode(opc, vlen, bt); |
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138 return vopc > 0 && Matcher::has_match_rule(vopc); |
0 | 139 } |
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140 return false; |
0 | 141 } |
142 | |
143 // Return the vector version of a scalar operation node. | |
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144 VectorNode* VectorNode::make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt) { |
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145 const TypeVect* vt = TypeVect::make(bt, vlen); |
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146 int vopc = VectorNode::opcode(opc, vlen, bt); |
0 | 147 |
148 switch (vopc) { | |
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149 case Op_AddVB: return new (C, 3) AddVBNode(n1, n2, vt); |
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150 case Op_AddVS: return new (C, 3) AddVSNode(n1, n2, vt); |
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151 case Op_AddVI: return new (C, 3) AddVINode(n1, n2, vt); |
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152 case Op_AddVL: return new (C, 3) AddVLNode(n1, n2, vt); |
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153 case Op_AddVF: return new (C, 3) AddVFNode(n1, n2, vt); |
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154 case Op_AddVD: return new (C, 3) AddVDNode(n1, n2, vt); |
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155 |
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156 case Op_SubVB: return new (C, 3) SubVBNode(n1, n2, vt); |
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157 case Op_SubVS: return new (C, 3) SubVSNode(n1, n2, vt); |
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158 case Op_SubVI: return new (C, 3) SubVINode(n1, n2, vt); |
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159 case Op_SubVL: return new (C, 3) SubVLNode(n1, n2, vt); |
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160 case Op_SubVF: return new (C, 3) SubVFNode(n1, n2, vt); |
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161 case Op_SubVD: return new (C, 3) SubVDNode(n1, n2, vt); |
0 | 162 |
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163 case Op_MulVF: return new (C, 3) MulVFNode(n1, n2, vt); |
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164 case Op_MulVD: return new (C, 3) MulVDNode(n1, n2, vt); |
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165 |
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166 case Op_DivVF: return new (C, 3) DivVFNode(n1, n2, vt); |
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167 case Op_DivVD: return new (C, 3) DivVDNode(n1, n2, vt); |
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168 |
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169 case Op_LShiftVB: return new (C, 3) LShiftVBNode(n1, n2, vt); |
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170 case Op_LShiftVS: return new (C, 3) LShiftVSNode(n1, n2, vt); |
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171 case Op_LShiftVI: return new (C, 3) LShiftVINode(n1, n2, vt); |
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172 |
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173 case Op_RShiftVB: return new (C, 3) RShiftVBNode(n1, n2, vt); |
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174 case Op_RShiftVS: return new (C, 3) RShiftVSNode(n1, n2, vt); |
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175 case Op_RShiftVI: return new (C, 3) RShiftVINode(n1, n2, vt); |
0 | 176 |
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177 case Op_AndV: return new (C, 3) AndVNode(n1, n2, vt); |
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178 case Op_OrV: return new (C, 3) OrVNode (n1, n2, vt); |
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179 case Op_XorV: return new (C, 3) XorVNode(n1, n2, vt); |
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180 } |
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181 ShouldNotReachHere(); |
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182 return NULL; |
0 | 183 |
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184 } |
0 | 185 |
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186 // Scalar promotion |
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187 VectorNode* VectorNode::scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t) { |
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188 BasicType bt = opd_t->array_element_basic_type(); |
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189 const TypeVect* vt = opd_t->singleton() ? TypeVect::make(opd_t, vlen) |
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190 : TypeVect::make(bt, vlen); |
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191 switch (bt) { |
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192 case T_BOOLEAN: |
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193 case T_BYTE: |
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194 return new (C, 2) ReplicateBNode(s, vt); |
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195 case T_CHAR: |
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196 case T_SHORT: |
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197 return new (C, 2) ReplicateSNode(s, vt); |
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198 case T_INT: |
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199 return new (C, 2) ReplicateINode(s, vt); |
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200 case T_LONG: |
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201 return new (C, 2) ReplicateLNode(s, vt); |
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202 case T_FLOAT: |
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203 return new (C, 2) ReplicateFNode(s, vt); |
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204 case T_DOUBLE: |
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205 return new (C, 2) ReplicateDNode(s, vt); |
0 | 206 } |
207 ShouldNotReachHere(); | |
208 return NULL; | |
209 } | |
210 | |
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211 // Return initial Pack node. Additional operands added with add_opd() calls. |
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212 PackNode* PackNode::make(Compile* C, Node* s, uint vlen, BasicType bt) { |
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213 const TypeVect* vt = TypeVect::make(bt, vlen); |
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214 switch (bt) { |
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215 case T_BOOLEAN: |
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216 case T_BYTE: |
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217 return new (C, vlen+1) PackBNode(s, vt); |
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218 case T_CHAR: |
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219 case T_SHORT: |
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220 return new (C, vlen+1) PackSNode(s, vt); |
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221 case T_INT: |
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222 return new (C, vlen+1) PackINode(s, vt); |
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223 case T_LONG: |
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224 return new (C, vlen+1) PackLNode(s, vt); |
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225 case T_FLOAT: |
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226 return new (C, vlen+1) PackFNode(s, vt); |
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227 case T_DOUBLE: |
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228 return new (C, vlen+1) PackDNode(s, vt); |
0 | 229 } |
230 ShouldNotReachHere(); | |
231 return NULL; | |
232 } | |
233 | |
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234 // Create a binary tree form for Packs. [lo, hi) (half-open) range |
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235 Node* PackNode::binaryTreePack(Compile* C, int lo, int hi) { |
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236 int ct = hi - lo; |
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237 assert(is_power_of_2(ct), "power of 2"); |
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238 if (ct == 2) { |
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239 PackNode* pk = PackNode::make(C, in(lo), 2, vect_type()->element_basic_type()); |
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240 pk->add_opd(1, in(lo+1)); |
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241 return pk; |
0 | 242 |
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243 } else { |
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244 int mid = lo + ct/2; |
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245 Node* n1 = binaryTreePack(C, lo, mid); |
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246 Node* n2 = binaryTreePack(C, mid, hi ); |
0 | 247 |
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248 BasicType bt = vect_type()->element_basic_type(); |
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249 switch (bt) { |
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250 case T_BOOLEAN: |
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251 case T_BYTE: |
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252 return new (C, 3) PackSNode(n1, n2, TypeVect::make(T_SHORT, 2)); |
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253 case T_CHAR: |
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254 case T_SHORT: |
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255 return new (C, 3) PackINode(n1, n2, TypeVect::make(T_INT, 2)); |
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256 case T_INT: |
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257 return new (C, 3) PackLNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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258 case T_LONG: |
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259 return new (C, 3) Pack2LNode(n1, n2, TypeVect::make(T_LONG, 2)); |
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260 case T_FLOAT: |
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261 return new (C, 3) PackDNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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262 case T_DOUBLE: |
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263 return new (C, 3) Pack2DNode(n1, n2, TypeVect::make(T_DOUBLE, 2)); |
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264 } |
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265 ShouldNotReachHere(); |
0 | 266 } |
267 return NULL; | |
268 } | |
269 | |
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270 // Return the vector version of a scalar load node. |
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271 LoadVectorNode* LoadVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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272 Node* adr, const TypePtr* atyp, uint vlen, BasicType bt) { |
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273 const TypeVect* vt = TypeVect::make(bt, vlen); |
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274 return new (C, 3) LoadVectorNode(ctl, mem, adr, atyp, vt); |
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275 return NULL; |
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276 } |
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277 |
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278 // Return the vector version of a scalar store node. |
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279 StoreVectorNode* StoreVectorNode::make(Compile* C, int opc, Node* ctl, Node* mem, |
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280 Node* adr, const TypePtr* atyp, Node* val, |
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281 uint vlen) { |
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282 return new (C, 4) StoreVectorNode(ctl, mem, adr, atyp, val); |
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283 } |
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284 |
0 | 285 // Extract a scalar element of vector. |
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286 Node* ExtractNode::make(Compile* C, Node* v, uint position, BasicType bt) { |
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287 assert((int)position < Matcher::max_vector_size(bt), "pos in range"); |
0 | 288 ConINode* pos = ConINode::make(C, (int)position); |
289 switch (bt) { | |
290 case T_BOOLEAN: | |
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291 return new (C, 3) ExtractUBNode(v, pos); |
0 | 292 case T_BYTE: |
293 return new (C, 3) ExtractBNode(v, pos); | |
294 case T_CHAR: | |
295 return new (C, 3) ExtractCNode(v, pos); | |
296 case T_SHORT: | |
297 return new (C, 3) ExtractSNode(v, pos); | |
298 case T_INT: | |
299 return new (C, 3) ExtractINode(v, pos); | |
300 case T_LONG: | |
301 return new (C, 3) ExtractLNode(v, pos); | |
302 case T_FLOAT: | |
303 return new (C, 3) ExtractFNode(v, pos); | |
304 case T_DOUBLE: | |
305 return new (C, 3) ExtractDNode(v, pos); | |
306 } | |
307 ShouldNotReachHere(); | |
308 return NULL; | |
309 } | |
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310 |