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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 "src/mips/codegen-mips.h" | 5 #include "src/mips/codegen-mips.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
| 8 | 8 |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
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| 25 #endif | 25 #endif |
| 26 | 26 |
| 27 | 27 |
| 28 UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) { | 28 UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) { |
| 29 size_t actual_size; | 29 size_t actual_size; |
| 30 byte* buffer = | 30 byte* buffer = |
| 31 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); | 31 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); |
| 32 if (buffer == nullptr) return nullptr; | 32 if (buffer == nullptr) return nullptr; |
| 33 ExternalReference::InitializeMathExpData(); | 33 ExternalReference::InitializeMathExpData(); |
| 34 | 34 |
| 35 MacroAssembler masm(nullptr, buffer, static_cast<int>(actual_size)); | 35 MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size), false); |
| 36 | 36 |
| 37 { | 37 { |
| 38 DoubleRegister input = f12; | 38 DoubleRegister input = f12; |
| 39 DoubleRegister result = f0; | 39 DoubleRegister result = f0; |
| 40 DoubleRegister double_scratch1 = f4; | 40 DoubleRegister double_scratch1 = f4; |
| 41 DoubleRegister double_scratch2 = f6; | 41 DoubleRegister double_scratch2 = f6; |
| 42 Register temp1 = t0; | 42 Register temp1 = t0; |
| 43 Register temp2 = t1; | 43 Register temp2 = t1; |
| 44 Register temp3 = t2; | 44 Register temp3 = t2; |
| 45 | 45 |
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| 75 defined(_MIPS_ARCH_MIPS32RX) | 75 defined(_MIPS_ARCH_MIPS32RX) |
| 76 return stub; | 76 return stub; |
| 77 #else | 77 #else |
| 78 size_t actual_size; | 78 size_t actual_size; |
| 79 byte* buffer = | 79 byte* buffer = |
| 80 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); | 80 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); |
| 81 if (buffer == NULL) return stub; | 81 if (buffer == NULL) return stub; |
| 82 | 82 |
| 83 // This code assumes that cache lines are 32 bytes and if the cache line is | 83 // This code assumes that cache lines are 32 bytes and if the cache line is |
| 84 // larger it will not work correctly. | 84 // larger it will not work correctly. |
| 85 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 85 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false); |
| 86 | 86 |
| 87 { | 87 { |
| 88 Label lastb, unaligned, aligned, chkw, | 88 Label lastb, unaligned, aligned, chkw, |
| 89 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, | 89 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, |
| 90 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, | 90 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, |
| 91 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; | 91 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; |
| 92 | 92 |
| 93 // The size of each prefetch. | 93 // The size of each prefetch. |
| 94 uint32_t pref_chunk = 32; | 94 uint32_t pref_chunk = 32; |
| 95 // The maximum size of a prefetch, it must not be less then pref_chunk. | 95 // The maximum size of a prefetch, it must not be less then pref_chunk. |
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| 604 | 604 |
| 605 UnaryMathFunction CreateSqrtFunction() { | 605 UnaryMathFunction CreateSqrtFunction() { |
| 606 #if defined(USE_SIMULATOR) | 606 #if defined(USE_SIMULATOR) |
| 607 return &std::sqrt; | 607 return &std::sqrt; |
| 608 #else | 608 #else |
| 609 size_t actual_size; | 609 size_t actual_size; |
| 610 byte* buffer = | 610 byte* buffer = |
| 611 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); | 611 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); |
| 612 if (buffer == NULL) return &std::sqrt; | 612 if (buffer == NULL) return &std::sqrt; |
| 613 | 613 |
| 614 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 614 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false); |
| 615 | 615 |
| 616 __ MovFromFloatParameter(f12); | 616 __ MovFromFloatParameter(f12); |
| 617 __ sqrt_d(f0, f12); | 617 __ sqrt_d(f0, f12); |
| 618 __ MovToFloatResult(f0); | 618 __ MovToFloatResult(f0); |
| 619 __ Ret(); | 619 __ Ret(); |
| 620 | 620 |
| 621 CodeDesc desc; | 621 CodeDesc desc; |
| 622 masm.GetCode(&desc); | 622 masm.GetCode(&desc); |
| 623 DCHECK(!RelocInfo::RequiresRelocation(desc)); | 623 DCHECK(!RelocInfo::RequiresRelocation(desc)); |
| 624 | 624 |
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| 1256 } | 1256 } |
| 1257 } | 1257 } |
| 1258 | 1258 |
| 1259 | 1259 |
| 1260 #undef __ | 1260 #undef __ |
| 1261 | 1261 |
| 1262 } // namespace internal | 1262 } // namespace internal |
| 1263 } // namespace v8 | 1263 } // namespace v8 |
| 1264 | 1264 |
| 1265 #endif // V8_TARGET_ARCH_MIPS | 1265 #endif // V8_TARGET_ARCH_MIPS |
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