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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), |
| 36 CodeObjectRequired::kNo); |
36 | 37 |
37 { | 38 { |
38 DoubleRegister input = f12; | 39 DoubleRegister input = f12; |
39 DoubleRegister result = f0; | 40 DoubleRegister result = f0; |
40 DoubleRegister double_scratch1 = f4; | 41 DoubleRegister double_scratch1 = f4; |
41 DoubleRegister double_scratch2 = f6; | 42 DoubleRegister double_scratch2 = f6; |
42 Register temp1 = t0; | 43 Register temp1 = t0; |
43 Register temp2 = t1; | 44 Register temp2 = t1; |
44 Register temp3 = t2; | 45 Register temp3 = t2; |
45 | 46 |
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75 defined(_MIPS_ARCH_MIPS32RX) | 76 defined(_MIPS_ARCH_MIPS32RX) |
76 return stub; | 77 return stub; |
77 #else | 78 #else |
78 size_t actual_size; | 79 size_t actual_size; |
79 byte* buffer = | 80 byte* buffer = |
80 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); | 81 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); |
81 if (buffer == NULL) return stub; | 82 if (buffer == NULL) return stub; |
82 | 83 |
83 // This code assumes that cache lines are 32 bytes and if the cache line is | 84 // This code assumes that cache lines are 32 bytes and if the cache line is |
84 // larger it will not work correctly. | 85 // larger it will not work correctly. |
85 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 86 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), |
| 87 CodeObjectRequired::kNo); |
86 | 88 |
87 { | 89 { |
88 Label lastb, unaligned, aligned, chkw, | 90 Label lastb, unaligned, aligned, chkw, |
89 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, | 91 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, |
90 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, | 92 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, |
91 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; | 93 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; |
92 | 94 |
93 // The size of each prefetch. | 95 // The size of each prefetch. |
94 uint32_t pref_chunk = 32; | 96 uint32_t pref_chunk = 32; |
95 // The maximum size of a prefetch, it must not be less then pref_chunk. | 97 // The maximum size of a prefetch, it must not be less then pref_chunk. |
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604 | 606 |
605 UnaryMathFunction CreateSqrtFunction() { | 607 UnaryMathFunction CreateSqrtFunction() { |
606 #if defined(USE_SIMULATOR) | 608 #if defined(USE_SIMULATOR) |
607 return &std::sqrt; | 609 return &std::sqrt; |
608 #else | 610 #else |
609 size_t actual_size; | 611 size_t actual_size; |
610 byte* buffer = | 612 byte* buffer = |
611 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); | 613 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); |
612 if (buffer == NULL) return &std::sqrt; | 614 if (buffer == NULL) return &std::sqrt; |
613 | 615 |
614 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 616 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), |
| 617 CodeObjectRequired::kNo); |
615 | 618 |
616 __ MovFromFloatParameter(f12); | 619 __ MovFromFloatParameter(f12); |
617 __ sqrt_d(f0, f12); | 620 __ sqrt_d(f0, f12); |
618 __ MovToFloatResult(f0); | 621 __ MovToFloatResult(f0); |
619 __ Ret(); | 622 __ Ret(); |
620 | 623 |
621 CodeDesc desc; | 624 CodeDesc desc; |
622 masm.GetCode(&desc); | 625 masm.GetCode(&desc); |
623 DCHECK(!RelocInfo::RequiresRelocation(desc)); | 626 DCHECK(!RelocInfo::RequiresRelocation(desc)); |
624 | 627 |
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1256 } | 1259 } |
1257 } | 1260 } |
1258 | 1261 |
1259 | 1262 |
1260 #undef __ | 1263 #undef __ |
1261 | 1264 |
1262 } // namespace internal | 1265 } // namespace internal |
1263 } // namespace v8 | 1266 } // namespace v8 |
1264 | 1267 |
1265 #endif // V8_TARGET_ARCH_MIPS | 1268 #endif // V8_TARGET_ARCH_MIPS |
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