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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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144 __ cmp(r1, Operand(JS_ARRAY_TYPE)); | 144 __ cmp(r1, Operand(JS_ARRAY_TYPE)); |
145 __ b(ne, &miss); | 145 __ b(ne, &miss); |
146 | 146 |
147 // Load length directly from the JS array. | 147 // Load length directly from the JS array. |
148 __ ldr(r0, FieldMemOperand(r0, JSArray::kLengthOffset)); | 148 __ ldr(r0, FieldMemOperand(r0, JSArray::kLengthOffset)); |
149 __ Ret(); | 149 __ Ret(); |
150 | 150 |
151 // Cache miss: Jump to runtime. | 151 // Cache miss: Jump to runtime. |
152 __ bind(&miss); | 152 __ bind(&miss); |
153 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); | 153 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); |
154 __ Jump(ic, code_target); | 154 __ Jump(ic, RelocInfo::CODE_TARGET); |
155 } | 155 } |
156 | 156 |
157 | 157 |
158 void LoadIC::GenerateShortStringLength(MacroAssembler* masm) { | 158 void LoadIC::GenerateShortStringLength(MacroAssembler* masm) { |
159 // ----------- S t a t e ------------- | 159 // ----------- S t a t e ------------- |
160 // -- r2 : name | 160 // -- r2 : name |
161 // -- lr : return address | 161 // -- lr : return address |
162 // -- [sp] : receiver | 162 // -- [sp] : receiver |
163 // ----------------------------------- | 163 // ----------------------------------- |
164 | 164 |
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180 | 180 |
181 // Load length directly from the string. | 181 // Load length directly from the string. |
182 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); | 182 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); |
183 __ mov(r0, Operand(r0, LSR, String::kShortLengthShift)); | 183 __ mov(r0, Operand(r0, LSR, String::kShortLengthShift)); |
184 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); | 184 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
185 __ Ret(); | 185 __ Ret(); |
186 | 186 |
187 // Cache miss: Jump to runtime. | 187 // Cache miss: Jump to runtime. |
188 __ bind(&miss); | 188 __ bind(&miss); |
189 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); | 189 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); |
190 __ Jump(ic, code_target); | 190 __ Jump(ic, RelocInfo::CODE_TARGET); |
191 } | 191 } |
192 | 192 |
193 | 193 |
194 void LoadIC::GenerateMediumStringLength(MacroAssembler* masm) { | 194 void LoadIC::GenerateMediumStringLength(MacroAssembler* masm) { |
195 // ----------- S t a t e ------------- | 195 // ----------- S t a t e ------------- |
196 // -- r2 : name | 196 // -- r2 : name |
197 // -- lr : return address | 197 // -- lr : return address |
198 // -- [sp] : receiver | 198 // -- [sp] : receiver |
199 // ----------------------------------- | 199 // ----------------------------------- |
200 | 200 |
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215 | 215 |
216 // Load length directly from the string. | 216 // Load length directly from the string. |
217 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); | 217 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); |
218 __ mov(r0, Operand(r0, LSR, String::kMediumLengthShift)); | 218 __ mov(r0, Operand(r0, LSR, String::kMediumLengthShift)); |
219 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); | 219 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
220 __ Ret(); | 220 __ Ret(); |
221 | 221 |
222 // Cache miss: Jump to runtime. | 222 // Cache miss: Jump to runtime. |
223 __ bind(&miss); | 223 __ bind(&miss); |
224 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); | 224 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); |
225 __ Jump(ic, code_target); | 225 __ Jump(ic, RelocInfo::CODE_TARGET); |
226 } | 226 } |
227 | 227 |
228 | 228 |
229 void LoadIC::GenerateLongStringLength(MacroAssembler* masm) { | 229 void LoadIC::GenerateLongStringLength(MacroAssembler* masm) { |
230 // ----------- S t a t e ------------- | 230 // ----------- S t a t e ------------- |
231 // -- r2 : name | 231 // -- r2 : name |
232 // -- lr : return address | 232 // -- lr : return address |
233 // -- [sp] : receiver | 233 // -- [sp] : receiver |
234 // ----------------------------------- | 234 // ----------------------------------- |
235 | 235 |
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249 | 249 |
250 // Load length directly from the string. | 250 // Load length directly from the string. |
251 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); | 251 __ ldr(r0, FieldMemOperand(r0, String::kLengthOffset)); |
252 __ mov(r0, Operand(r0, LSR, String::kLongLengthShift)); | 252 __ mov(r0, Operand(r0, LSR, String::kLongLengthShift)); |
253 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); | 253 __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
254 __ Ret(); | 254 __ Ret(); |
255 | 255 |
256 // Cache miss: Jump to runtime. | 256 // Cache miss: Jump to runtime. |
257 __ bind(&miss); | 257 __ bind(&miss); |
258 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); | 258 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); |
259 __ Jump(ic, code_target); | 259 __ Jump(ic, RelocInfo::CODE_TARGET); |
260 } | 260 } |
261 | 261 |
262 | 262 |
263 void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) { | 263 void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) { |
264 // ----------- S t a t e ------------- | 264 // ----------- S t a t e ------------- |
265 // -- r2 : name | 265 // -- r2 : name |
266 // -- lr : return address | 266 // -- lr : return address |
267 // -- [sp] : receiver | 267 // -- [sp] : receiver |
268 // ----------------------------------- | 268 // ----------------------------------- |
269 | 269 |
270 // NOTE: Right now, this code always misses on ARM which is | 270 // NOTE: Right now, this code always misses on ARM which is |
271 // sub-optimal. We should port the fast case code from IA-32. | 271 // sub-optimal. We should port the fast case code from IA-32. |
272 | 272 |
273 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); | 273 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss)); |
274 __ Jump(ic, code_target); | 274 __ Jump(ic, RelocInfo::CODE_TARGET); |
275 } | 275 } |
276 | 276 |
277 | 277 |
278 // Defined in ic.cc. | 278 // Defined in ic.cc. |
279 Object* CallIC_Miss(Arguments args); | 279 Object* CallIC_Miss(Arguments args); |
280 | 280 |
281 void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) { | 281 void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) { |
282 // ----------- S t a t e ------------- | 282 // ----------- S t a t e ------------- |
283 // -- lr: return address | 283 // -- lr: return address |
284 // ----------------------------------- | 284 // ----------------------------------- |
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573 | 573 |
574 // Perform tail call to the entry. | 574 // Perform tail call to the entry. |
575 __ TailCallRuntime(f, 3); | 575 __ TailCallRuntime(f, 3); |
576 } | 576 } |
577 | 577 |
578 | 578 |
579 #undef __ | 579 #undef __ |
580 | 580 |
581 | 581 |
582 } } // namespace v8::internal | 582 } } // namespace v8::internal |
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