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Side by Side Diff: src/arm/codegen-arm.cc

Issue 306473004: Reland 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "v8.h" 5 #include "v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
8 8
9 #include "codegen.h" 9 #include "codegen.h"
10 #include "macro-assembler.h" 10 #include "macro-assembler.h"
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
71 71
72 #if !defined(USE_SIMULATOR) 72 #if !defined(USE_SIMULATOR)
73 return FUNCTION_CAST<UnaryMathFunction>(buffer); 73 return FUNCTION_CAST<UnaryMathFunction>(buffer);
74 #else 74 #else
75 fast_exp_arm_machine_code = buffer; 75 fast_exp_arm_machine_code = buffer;
76 return &fast_exp_simulator; 76 return &fast_exp_simulator;
77 #endif 77 #endif
78 } 78 }
79 79
80 #if defined(V8_HOST_ARCH_ARM) 80 #if defined(V8_HOST_ARCH_ARM)
81 OS::MemCopyUint8Function CreateMemCopyUint8Function( 81 MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) {
82 OS::MemCopyUint8Function stub) {
83 #if defined(USE_SIMULATOR) 82 #if defined(USE_SIMULATOR)
84 return stub; 83 return stub;
85 #else 84 #else
86 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub; 85 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
87 size_t actual_size; 86 size_t actual_size;
88 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 87 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
89 if (buffer == NULL) return stub; 88 if (buffer == NULL) return stub;
90 89
91 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); 90 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
92 91
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221 __ ldrb(temp1, MemOperand(src), ne); 220 __ ldrb(temp1, MemOperand(src), ne);
222 __ strb(temp1, MemOperand(dest), ne); 221 __ strb(temp1, MemOperand(dest), ne);
223 __ Ret(); 222 __ Ret();
224 223
225 CodeDesc desc; 224 CodeDesc desc;
226 masm.GetCode(&desc); 225 masm.GetCode(&desc);
227 ASSERT(!RelocInfo::RequiresRelocation(desc)); 226 ASSERT(!RelocInfo::RequiresRelocation(desc));
228 227
229 CPU::FlushICache(buffer, actual_size); 228 CPU::FlushICache(buffer, actual_size);
230 OS::ProtectCode(buffer, actual_size); 229 OS::ProtectCode(buffer, actual_size);
231 return FUNCTION_CAST<OS::MemCopyUint8Function>(buffer); 230 return FUNCTION_CAST<MemCopyUint8Function>(buffer);
232 #endif 231 #endif
233 } 232 }
234 233
235 234
236 // Convert 8 to 16. The number of character to copy must be at least 8. 235 // Convert 8 to 16. The number of character to copy must be at least 8.
237 OS::MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function( 236 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
238 OS::MemCopyUint16Uint8Function stub) { 237 MemCopyUint16Uint8Function stub) {
239 #if defined(USE_SIMULATOR) 238 #if defined(USE_SIMULATOR)
240 return stub; 239 return stub;
241 #else 240 #else
242 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub; 241 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
243 size_t actual_size; 242 size_t actual_size;
244 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 243 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
245 if (buffer == NULL) return stub; 244 if (buffer == NULL) return stub;
246 245
247 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); 246 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
248 247
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308 __ strh(temp1, MemOperand(dest), ne); 307 __ strh(temp1, MemOperand(dest), ne);
309 __ Pop(pc, r4); 308 __ Pop(pc, r4);
310 } 309 }
311 310
312 CodeDesc desc; 311 CodeDesc desc;
313 masm.GetCode(&desc); 312 masm.GetCode(&desc);
314 313
315 CPU::FlushICache(buffer, actual_size); 314 CPU::FlushICache(buffer, actual_size);
316 OS::ProtectCode(buffer, actual_size); 315 OS::ProtectCode(buffer, actual_size);
317 316
318 return FUNCTION_CAST<OS::MemCopyUint16Uint8Function>(buffer); 317 return FUNCTION_CAST<MemCopyUint16Uint8Function>(buffer);
319 #endif 318 #endif
320 } 319 }
321 #endif 320 #endif
322 321
323 UnaryMathFunction CreateSqrtFunction() { 322 UnaryMathFunction CreateSqrtFunction() {
324 #if defined(USE_SIMULATOR) 323 #if defined(USE_SIMULATOR)
325 return &std::sqrt; 324 return &std::sqrt;
326 #else 325 #else
327 size_t actual_size; 326 size_t actual_size;
328 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 327 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
(...skipping 553 matching lines...) Expand 10 before | Expand all | Expand 10 after
882 patcher.masm()->add(r0, pc, Operand(-8)); 881 patcher.masm()->add(r0, pc, Operand(-8));
883 patcher.masm()->ldr(pc, MemOperand(pc, -4)); 882 patcher.masm()->ldr(pc, MemOperand(pc, -4));
884 patcher.masm()->emit_code_stub_address(stub); 883 patcher.masm()->emit_code_stub_address(stub);
885 } 884 }
886 } 885 }
887 886
888 887
889 } } // namespace v8::internal 888 } } // namespace v8::internal
890 889
891 #endif // V8_TARGET_ARCH_ARM 890 #endif // V8_TARGET_ARCH_ARM
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