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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 // 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 |
| (...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 87 __ mov(edx, Operand(esp, 5 * kPointerSize)); | 87 __ mov(edx, Operand(esp, 5 * kPointerSize)); |
| 88 TranscendentalCacheStub::GenerateOperation(&masm, type); | 88 TranscendentalCacheStub::GenerateOperation(&masm, type); |
| 89 // The return value is expected to be on ST(0) of the FPU stack. | 89 // The return value is expected to be on ST(0) of the FPU stack. |
| 90 __ pop(edi); | 90 __ pop(edi); |
| 91 __ pop(edx); | 91 __ pop(edx); |
| 92 __ pop(ebx); | 92 __ pop(ebx); |
| 93 __ Ret(); | 93 __ Ret(); |
| 94 | 94 |
| 95 CodeDesc desc; | 95 CodeDesc desc; |
| 96 masm.GetCode(&desc); | 96 masm.GetCode(&desc); |
| 97 ASSERT(desc.reloc_size == 0); | 97 ASSERT(!RelocInfo::RequiresRelocation(desc)); |
| 98 | 98 |
| 99 CPU::FlushICache(buffer, actual_size); | 99 CPU::FlushICache(buffer, actual_size); |
| 100 OS::ProtectCode(buffer, actual_size); | 100 OS::ProtectCode(buffer, actual_size); |
| 101 return FUNCTION_CAST<UnaryMathFunction>(buffer); | 101 return FUNCTION_CAST<UnaryMathFunction>(buffer); |
| 102 } | 102 } |
| 103 | 103 |
| 104 | 104 |
| 105 UnaryMathFunction CreateExpFunction() { | 105 UnaryMathFunction CreateExpFunction() { |
| 106 if (!CpuFeatures::IsSupported(SSE2)) return &exp; | 106 if (!CpuFeatures::IsSupported(SSE2)) return &exp; |
| 107 if (!FLAG_fast_math) return &exp; | 107 if (!FLAG_fast_math) return &exp; |
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| 125 | 125 |
| 126 __ pop(ebx); | 126 __ pop(ebx); |
| 127 __ pop(eax); | 127 __ pop(eax); |
| 128 __ movdbl(Operand(esp, 1 * kPointerSize), result); | 128 __ movdbl(Operand(esp, 1 * kPointerSize), result); |
| 129 __ fld_d(Operand(esp, 1 * kPointerSize)); | 129 __ fld_d(Operand(esp, 1 * kPointerSize)); |
| 130 __ Ret(); | 130 __ Ret(); |
| 131 } | 131 } |
| 132 | 132 |
| 133 CodeDesc desc; | 133 CodeDesc desc; |
| 134 masm.GetCode(&desc); | 134 masm.GetCode(&desc); |
| 135 ASSERT(!RelocInfo::RequiresRelocation(desc)); |
| 135 | 136 |
| 136 CPU::FlushICache(buffer, actual_size); | 137 CPU::FlushICache(buffer, actual_size); |
| 137 OS::ProtectCode(buffer, actual_size); | 138 OS::ProtectCode(buffer, actual_size); |
| 138 return FUNCTION_CAST<UnaryMathFunction>(buffer); | 139 return FUNCTION_CAST<UnaryMathFunction>(buffer); |
| 139 } | 140 } |
| 140 | 141 |
| 141 | 142 |
| 142 UnaryMathFunction CreateSqrtFunction() { | 143 UnaryMathFunction CreateSqrtFunction() { |
| 143 size_t actual_size; | 144 size_t actual_size; |
| 144 // Allocate buffer in executable space. | 145 // Allocate buffer in executable space. |
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| 157 __ movdbl(xmm0, Operand(esp, 1 * kPointerSize)); | 158 __ movdbl(xmm0, Operand(esp, 1 * kPointerSize)); |
| 158 __ sqrtsd(xmm0, xmm0); | 159 __ sqrtsd(xmm0, xmm0); |
| 159 __ movdbl(Operand(esp, 1 * kPointerSize), xmm0); | 160 __ movdbl(Operand(esp, 1 * kPointerSize), xmm0); |
| 160 // Load result into floating point register as return value. | 161 // Load result into floating point register as return value. |
| 161 __ fld_d(Operand(esp, 1 * kPointerSize)); | 162 __ fld_d(Operand(esp, 1 * kPointerSize)); |
| 162 __ Ret(); | 163 __ Ret(); |
| 163 } | 164 } |
| 164 | 165 |
| 165 CodeDesc desc; | 166 CodeDesc desc; |
| 166 masm.GetCode(&desc); | 167 masm.GetCode(&desc); |
| 167 ASSERT(desc.reloc_size == 0); | 168 ASSERT(!RelocInfo::RequiresRelocation(desc)); |
| 168 | 169 |
| 169 CPU::FlushICache(buffer, actual_size); | 170 CPU::FlushICache(buffer, actual_size); |
| 170 OS::ProtectCode(buffer, actual_size); | 171 OS::ProtectCode(buffer, actual_size); |
| 171 return FUNCTION_CAST<UnaryMathFunction>(buffer); | 172 return FUNCTION_CAST<UnaryMathFunction>(buffer); |
| 172 } | 173 } |
| 173 | 174 |
| 174 | 175 |
| 175 static void MemCopyWrapper(void* dest, const void* src, size_t size) { | 176 static void MemCopyWrapper(void* dest, const void* src, size_t size) { |
| 176 memcpy(dest, src, size); | 177 memcpy(dest, src, size); |
| 177 } | 178 } |
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| 367 __ mov(Operand(dst, count, times_1, -4), eax); | 368 __ mov(Operand(dst, count, times_1, -4), eax); |
| 368 | 369 |
| 369 __ mov(eax, Operand(esp, stack_offset + kDestinationOffset)); | 370 __ mov(eax, Operand(esp, stack_offset + kDestinationOffset)); |
| 370 __ pop(esi); | 371 __ pop(esi); |
| 371 __ pop(edi); | 372 __ pop(edi); |
| 372 __ ret(0); | 373 __ ret(0); |
| 373 } | 374 } |
| 374 | 375 |
| 375 CodeDesc desc; | 376 CodeDesc desc; |
| 376 masm.GetCode(&desc); | 377 masm.GetCode(&desc); |
| 377 ASSERT(desc.reloc_size == 0); | 378 ASSERT(!RelocInfo::RequiresRelocation(desc)); |
| 378 | 379 |
| 379 CPU::FlushICache(buffer, actual_size); | 380 CPU::FlushICache(buffer, actual_size); |
| 380 OS::ProtectCode(buffer, actual_size); | 381 OS::ProtectCode(buffer, actual_size); |
| 381 return FUNCTION_CAST<OS::MemCopyFunction>(buffer); | 382 return FUNCTION_CAST<OS::MemCopyFunction>(buffer); |
| 382 } | 383 } |
| 383 | 384 |
| 384 #undef __ | 385 #undef __ |
| 385 | 386 |
| 386 // ------------------------------------------------------------------------- | 387 // ------------------------------------------------------------------------- |
| 387 // Code generators | 388 // Code generators |
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| 957 Code* stub = GetCodeAgeStub(age, parity); | 958 Code* stub = GetCodeAgeStub(age, parity); |
| 958 CodePatcher patcher(sequence, young_length); | 959 CodePatcher patcher(sequence, young_length); |
| 959 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); | 960 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); |
| 960 } | 961 } |
| 961 } | 962 } |
| 962 | 963 |
| 963 | 964 |
| 964 } } // namespace v8::internal | 965 } } // namespace v8::internal |
| 965 | 966 |
| 966 #endif // V8_TARGET_ARCH_IA32 | 967 #endif // V8_TARGET_ARCH_IA32 |
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