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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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61 int64_t r6; | 61 int64_t r6; |
62 int64_t r7; | 62 int64_t r7; |
63 }; | 63 }; |
64 T t; | 64 T t; |
65 | 65 |
66 MacroAssembler assembler(isolate, NULL, 0, | 66 MacroAssembler assembler(isolate, NULL, 0, |
67 v8::internal::CodeObjectRequired::kYes); | 67 v8::internal::CodeObjectRequired::kYes); |
68 | 68 |
69 MacroAssembler* masm = &assembler; | 69 MacroAssembler* masm = &assembler; |
70 | 70 |
71 __ ld(a4, MemOperand(a0, offsetof(T, r1))); | 71 __ Ld(a4, MemOperand(a0, offsetof(T, r1))); |
72 __ nop(); | 72 __ nop(); |
73 __ ByteSwapSigned(a4, a4, 8); | 73 __ ByteSwapSigned(a4, a4, 8); |
74 __ sd(a4, MemOperand(a0, offsetof(T, r1))); | 74 __ Sd(a4, MemOperand(a0, offsetof(T, r1))); |
75 | 75 |
76 __ ld(a4, MemOperand(a0, offsetof(T, r2))); | 76 __ Ld(a4, MemOperand(a0, offsetof(T, r2))); |
77 __ nop(); | 77 __ nop(); |
78 __ ByteSwapSigned(a4, a4, 4); | 78 __ ByteSwapSigned(a4, a4, 4); |
79 __ sd(a4, MemOperand(a0, offsetof(T, r2))); | 79 __ Sd(a4, MemOperand(a0, offsetof(T, r2))); |
80 | 80 |
81 __ ld(a4, MemOperand(a0, offsetof(T, r3))); | 81 __ Ld(a4, MemOperand(a0, offsetof(T, r3))); |
82 __ nop(); | 82 __ nop(); |
83 __ ByteSwapSigned(a4, a4, 2); | 83 __ ByteSwapSigned(a4, a4, 2); |
84 __ sd(a4, MemOperand(a0, offsetof(T, r3))); | 84 __ Sd(a4, MemOperand(a0, offsetof(T, r3))); |
85 | 85 |
86 __ ld(a4, MemOperand(a0, offsetof(T, r4))); | 86 __ Ld(a4, MemOperand(a0, offsetof(T, r4))); |
87 __ nop(); | 87 __ nop(); |
88 __ ByteSwapSigned(a4, a4, 1); | 88 __ ByteSwapSigned(a4, a4, 1); |
89 __ sd(a4, MemOperand(a0, offsetof(T, r4))); | 89 __ Sd(a4, MemOperand(a0, offsetof(T, r4))); |
90 | 90 |
91 __ ld(a4, MemOperand(a0, offsetof(T, r5))); | 91 __ Ld(a4, MemOperand(a0, offsetof(T, r5))); |
92 __ nop(); | 92 __ nop(); |
93 __ ByteSwapUnsigned(a4, a4, 1); | 93 __ ByteSwapUnsigned(a4, a4, 1); |
94 __ sd(a4, MemOperand(a0, offsetof(T, r5))); | 94 __ Sd(a4, MemOperand(a0, offsetof(T, r5))); |
95 | 95 |
96 __ ld(a4, MemOperand(a0, offsetof(T, r6))); | 96 __ Ld(a4, MemOperand(a0, offsetof(T, r6))); |
97 __ nop(); | 97 __ nop(); |
98 __ ByteSwapUnsigned(a4, a4, 2); | 98 __ ByteSwapUnsigned(a4, a4, 2); |
99 __ sd(a4, MemOperand(a0, offsetof(T, r6))); | 99 __ Sd(a4, MemOperand(a0, offsetof(T, r6))); |
100 | 100 |
101 __ ld(a4, MemOperand(a0, offsetof(T, r7))); | 101 __ Ld(a4, MemOperand(a0, offsetof(T, r7))); |
102 __ nop(); | 102 __ nop(); |
103 __ ByteSwapUnsigned(a4, a4, 4); | 103 __ ByteSwapUnsigned(a4, a4, 4); |
104 __ sd(a4, MemOperand(a0, offsetof(T, r7))); | 104 __ Sd(a4, MemOperand(a0, offsetof(T, r7))); |
105 | 105 |
106 __ jr(ra); | 106 __ jr(ra); |
107 __ nop(); | 107 __ nop(); |
108 | 108 |
109 CodeDesc desc; | 109 CodeDesc desc; |
110 masm->GetCode(&desc); | 110 masm->GetCode(&desc); |
111 Handle<Code> code = isolate->factory()->NewCode( | 111 Handle<Code> code = isolate->factory()->NewCode( |
112 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); | 112 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
113 ::F3 f = FUNCTION_CAST<::F3>(code->entry()); | 113 ::F3 f = FUNCTION_CAST<::F3>(code->entry()); |
114 t.r1 = 0x5612FFCD9D327ACC; | 114 t.r1 = 0x5612FFCD9D327ACC; |
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144 } | 144 } |
145 | 145 |
146 MacroAssembler assembler(isolate, NULL, 0, | 146 MacroAssembler assembler(isolate, NULL, 0, |
147 v8::internal::CodeObjectRequired::kYes); | 147 v8::internal::CodeObjectRequired::kYes); |
148 MacroAssembler* masm = &assembler; | 148 MacroAssembler* masm = &assembler; |
149 | 149 |
150 __ mov(a4, a0); | 150 __ mov(a4, a0); |
151 for (int i = 0; i < 64; i++) { | 151 for (int i = 0; i < 64; i++) { |
152 // Load constant. | 152 // Load constant. |
153 __ li(a5, Operand(refConstants[i])); | 153 __ li(a5, Operand(refConstants[i])); |
154 __ sd(a5, MemOperand(a4)); | 154 __ Sd(a5, MemOperand(a4)); |
155 __ Daddu(a4, a4, Operand(kPointerSize)); | 155 __ Daddu(a4, a4, Operand(kPointerSize)); |
156 } | 156 } |
157 | 157 |
158 __ jr(ra); | 158 __ jr(ra); |
159 __ nop(); | 159 __ nop(); |
160 | 160 |
161 CodeDesc desc; | 161 CodeDesc desc; |
162 masm->GetCode(&desc); | 162 masm->GetCode(&desc); |
163 Handle<Code> code = isolate->factory()->NewCode( | 163 Handle<Code> code = isolate->factory()->NewCode( |
164 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); | 164 desc, Code::ComputeFlags(Code::STUB), Handle<Code>()); |
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304 __ nop(); | 304 __ nop(); |
305 } | 305 } |
306 | 306 |
307 { | 307 { |
308 __ BlockTrampolinePoolFor(kNumCases * 2 + 6 + 1); | 308 __ BlockTrampolinePoolFor(kNumCases * 2 + 6 + 1); |
309 PredictableCodeSizeScope predictable( | 309 PredictableCodeSizeScope predictable( |
310 masm, kNumCases * kPointerSize + ((6 + 1) * Assembler::kInstrSize)); | 310 masm, kNumCases * kPointerSize + ((6 + 1) * Assembler::kInstrSize)); |
311 | 311 |
312 __ addiupc(at, 6 + 1); | 312 __ addiupc(at, 6 + 1); |
313 __ Dlsa(at, at, a0, 3); | 313 __ Dlsa(at, at, a0, 3); |
314 __ ld(at, MemOperand(at)); | 314 __ Ld(at, MemOperand(at)); |
315 __ jalr(at); | 315 __ jalr(at); |
316 __ nop(); // Branch delay slot nop. | 316 __ nop(); // Branch delay slot nop. |
317 __ bc(&done); | 317 __ bc(&done); |
318 // A nop instruction must be generated by the forbidden slot guard | 318 // A nop instruction must be generated by the forbidden slot guard |
319 // (Assembler::dd(Label*)) so the first label goes to an 8 bytes aligned | 319 // (Assembler::dd(Label*)) so the first label goes to an 8 bytes aligned |
320 // location. | 320 // location. |
321 for (int i = 0; i < kNumCases; ++i) { | 321 for (int i = 0; i < kNumCases; ++i) { |
322 __ dd(&labels[i]); | 322 __ dd(&labels[i]); |
323 } | 323 } |
324 } | 324 } |
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1495 float inputsf[kTableLength] = {3.0, 2.0, 0.0, -0.0, finf, 42.0, finf, | 1495 float inputsf[kTableLength] = {3.0, 2.0, 0.0, -0.0, finf, 42.0, finf, |
1496 fminf, 3.0, fnan, fnan, finf, fnan}; | 1496 fminf, 3.0, fnan, fnan, finf, fnan}; |
1497 float outputsfmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0, 42.0, fminf, | 1497 float outputsfmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0, 42.0, fminf, |
1498 fminf, fnan, fnan, fnan, fnan, fnan}; | 1498 fminf, fnan, fnan, fnan, fnan, fnan}; |
1499 float outputsfmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, finf, finf, finf, | 1499 float outputsfmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, finf, finf, finf, |
1500 finf, fnan, fnan, fnan, fnan, fnan}; | 1500 finf, fnan, fnan, fnan, fnan, fnan}; |
1501 | 1501 |
1502 auto handle_dnan = [masm](FPURegister dst, Label* nan, Label* back) { | 1502 auto handle_dnan = [masm](FPURegister dst, Label* nan, Label* back) { |
1503 __ bind(nan); | 1503 __ bind(nan); |
1504 __ LoadRoot(at, Heap::kNanValueRootIndex); | 1504 __ LoadRoot(at, Heap::kNanValueRootIndex); |
1505 __ ldc1(dst, FieldMemOperand(at, HeapNumber::kValueOffset)); | 1505 __ Ldc1(dst, FieldMemOperand(at, HeapNumber::kValueOffset)); |
1506 __ Branch(back); | 1506 __ Branch(back); |
1507 }; | 1507 }; |
1508 | 1508 |
1509 auto handle_snan = [masm, fnan](FPURegister dst, Label* nan, Label* back) { | 1509 auto handle_snan = [masm, fnan](FPURegister dst, Label* nan, Label* back) { |
1510 __ bind(nan); | 1510 __ bind(nan); |
1511 __ Move(dst, fnan); | 1511 __ Move(dst, fnan); |
1512 __ Branch(back); | 1512 __ Branch(back); |
1513 }; | 1513 }; |
1514 | 1514 |
1515 Label handle_mind_nan, handle_maxd_nan, handle_mins_nan, handle_maxs_nan; | 1515 Label handle_mind_nan, handle_maxd_nan, handle_mins_nan, handle_maxs_nan; |
1516 Label back_mind_nan, back_maxd_nan, back_mins_nan, back_maxs_nan; | 1516 Label back_mind_nan, back_maxd_nan, back_mins_nan, back_maxs_nan; |
1517 | 1517 |
1518 __ push(s6); | 1518 __ push(s6); |
1519 __ InitializeRootRegister(); | 1519 __ InitializeRootRegister(); |
1520 __ ldc1(f4, MemOperand(a0, offsetof(TestFloat, a))); | 1520 __ Ldc1(f4, MemOperand(a0, offsetof(TestFloat, a))); |
1521 __ ldc1(f8, MemOperand(a0, offsetof(TestFloat, b))); | 1521 __ Ldc1(f8, MemOperand(a0, offsetof(TestFloat, b))); |
1522 __ lwc1(f2, MemOperand(a0, offsetof(TestFloat, e))); | 1522 __ Lwc1(f2, MemOperand(a0, offsetof(TestFloat, e))); |
1523 __ lwc1(f6, MemOperand(a0, offsetof(TestFloat, f))); | 1523 __ Lwc1(f6, MemOperand(a0, offsetof(TestFloat, f))); |
1524 __ Float64Min(f10, f4, f8, &handle_mind_nan); | 1524 __ Float64Min(f10, f4, f8, &handle_mind_nan); |
1525 __ bind(&back_mind_nan); | 1525 __ bind(&back_mind_nan); |
1526 __ Float64Max(f12, f4, f8, &handle_maxd_nan); | 1526 __ Float64Max(f12, f4, f8, &handle_maxd_nan); |
1527 __ bind(&back_maxd_nan); | 1527 __ bind(&back_maxd_nan); |
1528 __ Float32Min(f14, f2, f6, &handle_mins_nan); | 1528 __ Float32Min(f14, f2, f6, &handle_mins_nan); |
1529 __ bind(&back_mins_nan); | 1529 __ bind(&back_mins_nan); |
1530 __ Float32Max(f16, f2, f6, &handle_maxs_nan); | 1530 __ Float32Max(f16, f2, f6, &handle_maxs_nan); |
1531 __ bind(&back_maxs_nan); | 1531 __ bind(&back_maxs_nan); |
1532 __ sdc1(f10, MemOperand(a0, offsetof(TestFloat, c))); | 1532 __ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, c))); |
1533 __ sdc1(f12, MemOperand(a0, offsetof(TestFloat, d))); | 1533 __ Sdc1(f12, MemOperand(a0, offsetof(TestFloat, d))); |
1534 __ swc1(f14, MemOperand(a0, offsetof(TestFloat, g))); | 1534 __ Swc1(f14, MemOperand(a0, offsetof(TestFloat, g))); |
1535 __ swc1(f16, MemOperand(a0, offsetof(TestFloat, h))); | 1535 __ Swc1(f16, MemOperand(a0, offsetof(TestFloat, h))); |
1536 __ pop(s6); | 1536 __ pop(s6); |
1537 __ jr(ra); | 1537 __ jr(ra); |
1538 __ nop(); | 1538 __ nop(); |
1539 | 1539 |
1540 handle_dnan(f10, &handle_mind_nan, &back_mind_nan); | 1540 handle_dnan(f10, &handle_mind_nan, &back_mind_nan); |
1541 handle_dnan(f12, &handle_maxd_nan, &back_maxd_nan); | 1541 handle_dnan(f12, &handle_maxd_nan, &back_maxd_nan); |
1542 handle_snan(f14, &handle_mins_nan, &back_mins_nan); | 1542 handle_snan(f14, &handle_mins_nan, &back_mins_nan); |
1543 handle_snan(f16, &handle_maxs_nan, &back_maxs_nan); | 1543 handle_snan(f16, &handle_maxs_nan, &back_maxs_nan); |
1544 | 1544 |
1545 CodeDesc desc; | 1545 CodeDesc desc; |
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1981 T b = T::from_code(6); // f6 | 1981 T b = T::from_code(6); // f6 |
1982 T c = T::from_code(8); // f8 | 1982 T c = T::from_code(8); // f8 |
1983 | 1983 |
1984 Label ool_min_abc, ool_min_aab, ool_min_aba; | 1984 Label ool_min_abc, ool_min_aab, ool_min_aba; |
1985 Label ool_max_abc, ool_max_aab, ool_max_aba; | 1985 Label ool_max_abc, ool_max_aab, ool_max_aba; |
1986 | 1986 |
1987 Label done_min_abc, done_min_aab, done_min_aba; | 1987 Label done_min_abc, done_min_aab, done_min_aba; |
1988 Label done_max_abc, done_max_aab, done_max_aba; | 1988 Label done_max_abc, done_max_aab, done_max_aba; |
1989 | 1989 |
1990 #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \ | 1990 #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \ |
1991 __ lwc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \ | 1991 __ Lwc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \ |
1992 __ lwc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \ | 1992 __ Lwc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \ |
1993 __ fminmax(res, x, y, &ool); \ | 1993 __ fminmax(res, x, y, &ool); \ |
1994 __ bind(&done); \ | 1994 __ bind(&done); \ |
1995 __ swc1(a, MemOperand(a1, offsetof(Results, res_field))) | 1995 __ Swc1(a, MemOperand(a1, offsetof(Results, res_field))) |
1996 | 1996 |
1997 // a = min(b, c); | 1997 // a = min(b, c); |
1998 FLOAT_MIN_MAX(Float32Min, a, b, c, done_min_abc, ool_min_abc, min_abc_); | 1998 FLOAT_MIN_MAX(Float32Min, a, b, c, done_min_abc, ool_min_abc, min_abc_); |
1999 // a = min(a, b); | 1999 // a = min(a, b); |
2000 FLOAT_MIN_MAX(Float32Min, a, a, b, done_min_aab, ool_min_aab, min_aab_); | 2000 FLOAT_MIN_MAX(Float32Min, a, a, b, done_min_aab, ool_min_aab, min_aab_); |
2001 // a = min(b, a); | 2001 // a = min(b, a); |
2002 FLOAT_MIN_MAX(Float32Min, a, b, a, done_min_aba, ool_min_aba, min_aba_); | 2002 FLOAT_MIN_MAX(Float32Min, a, b, a, done_min_aba, ool_min_aba, min_aba_); |
2003 | 2003 |
2004 // a = max(b, c); | 2004 // a = max(b, c); |
2005 FLOAT_MIN_MAX(Float32Max, a, b, c, done_max_abc, ool_max_abc, max_abc_); | 2005 FLOAT_MIN_MAX(Float32Max, a, b, c, done_max_abc, ool_max_abc, max_abc_); |
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2124 T b = T::from_code(6); // f6 | 2124 T b = T::from_code(6); // f6 |
2125 T c = T::from_code(8); // f8 | 2125 T c = T::from_code(8); // f8 |
2126 | 2126 |
2127 Label ool_min_abc, ool_min_aab, ool_min_aba; | 2127 Label ool_min_abc, ool_min_aab, ool_min_aba; |
2128 Label ool_max_abc, ool_max_aab, ool_max_aba; | 2128 Label ool_max_abc, ool_max_aab, ool_max_aba; |
2129 | 2129 |
2130 Label done_min_abc, done_min_aab, done_min_aba; | 2130 Label done_min_abc, done_min_aab, done_min_aba; |
2131 Label done_max_abc, done_max_aab, done_max_aba; | 2131 Label done_max_abc, done_max_aab, done_max_aba; |
2132 | 2132 |
2133 #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \ | 2133 #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \ |
2134 __ ldc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \ | 2134 __ Ldc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \ |
2135 __ ldc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \ | 2135 __ Ldc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \ |
2136 __ fminmax(res, x, y, &ool); \ | 2136 __ fminmax(res, x, y, &ool); \ |
2137 __ bind(&done); \ | 2137 __ bind(&done); \ |
2138 __ sdc1(a, MemOperand(a1, offsetof(Results, res_field))) | 2138 __ Sdc1(a, MemOperand(a1, offsetof(Results, res_field))) |
2139 | 2139 |
2140 // a = min(b, c); | 2140 // a = min(b, c); |
2141 FLOAT_MIN_MAX(Float64Min, a, b, c, done_min_abc, ool_min_abc, min_abc_); | 2141 FLOAT_MIN_MAX(Float64Min, a, b, c, done_min_abc, ool_min_abc, min_abc_); |
2142 // a = min(a, b); | 2142 // a = min(a, b); |
2143 FLOAT_MIN_MAX(Float64Min, a, a, b, done_min_aab, ool_min_aab, min_aab_); | 2143 FLOAT_MIN_MAX(Float64Min, a, a, b, done_min_aab, ool_min_aab, min_aab_); |
2144 // a = min(b, a); | 2144 // a = min(b, a); |
2145 FLOAT_MIN_MAX(Float64Min, a, b, a, done_min_aba, ool_min_aba, min_aba_); | 2145 FLOAT_MIN_MAX(Float64Min, a, b, a, done_min_aba, ool_min_aba, min_aba_); |
2146 | 2146 |
2147 // a = max(b, c); | 2147 // a = max(b, c); |
2148 FLOAT_MIN_MAX(Float64Max, a, b, c, done_max_abc, ool_max_abc, max_abc_); | 2148 FLOAT_MIN_MAX(Float64Max, a, b, c, done_max_abc, ool_max_abc, max_abc_); |
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2255 | 2255 |
2256 CHECK_MINMAX(0.0, nan_a, nan_a, nan_a); | 2256 CHECK_MINMAX(0.0, nan_a, nan_a, nan_a); |
2257 CHECK_MINMAX(nan_a, 0.0, nan_a, nan_a); | 2257 CHECK_MINMAX(nan_a, 0.0, nan_a, nan_a); |
2258 CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a); | 2258 CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a); |
2259 CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b); | 2259 CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b); |
2260 | 2260 |
2261 #undef CHECK_MINMAX | 2261 #undef CHECK_MINMAX |
2262 } | 2262 } |
2263 | 2263 |
2264 #undef __ | 2264 #undef __ |
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