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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 <limits.h> | 5 #include <limits.h> |
| 6 #include <stdarg.h> | 6 #include <stdarg.h> |
| 7 #include <stdlib.h> | 7 #include <stdlib.h> |
| 8 #include <cmath> | 8 #include <cmath> |
| 9 | 9 |
| 10 #if V8_TARGET_ARCH_MIPS | 10 #if V8_TARGET_ARCH_MIPS |
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| 2303 set_fpu_register_double(fd_reg(), ft); | 2303 set_fpu_register_double(fd_reg(), ft); |
| 2304 } else if (!std::isnan(fs) && std::isnan(ft)) { | 2304 } else if (!std::isnan(fs) && std::isnan(ft)) { |
| 2305 set_fpu_register_double(fd_reg(), fs); | 2305 set_fpu_register_double(fd_reg(), fs); |
| 2306 } else { | 2306 } else { |
| 2307 double result; | 2307 double result; |
| 2308 if (fabs(fs) > fabs(ft)) { | 2308 if (fabs(fs) > fabs(ft)) { |
| 2309 result = ft; | 2309 result = ft; |
| 2310 } else if (fabs(fs) < fabs(ft)) { | 2310 } else if (fabs(fs) < fabs(ft)) { |
| 2311 result = fs; | 2311 result = fs; |
| 2312 } else { | 2312 } else { |
| 2313 result = (fs > ft ? fs : ft); | 2313 result = (fs < ft ? fs : ft); |
| 2314 } | 2314 } |
| 2315 set_fpu_register_double(fd_reg(), result); | 2315 set_fpu_register_double(fd_reg(), result); |
| 2316 } | 2316 } |
| 2317 break; | 2317 break; |
| 2318 case MAXA: | 2318 case MAXA: |
| 2319 DCHECK(IsMipsArchVariant(kMips32r6)); | 2319 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 2320 fs = get_fpu_register_double(fs_reg()); | 2320 fs = get_fpu_register_double(fs_reg()); |
| 2321 if (std::isnan(fs) && std::isnan(ft)) { | 2321 if (std::isnan(fs) && std::isnan(ft)) { |
| 2322 set_fpu_register_double(fd_reg(), fs); | 2322 set_fpu_register_double(fd_reg(), fs); |
| 2323 } else if (std::isnan(fs) && !std::isnan(ft)) { | 2323 } else if (std::isnan(fs) && !std::isnan(ft)) { |
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| 3063 set_fpu_register_float(fd_reg(), ft); | 3063 set_fpu_register_float(fd_reg(), ft); |
| 3064 } else if (!std::isnan(fs) && std::isnan(ft)) { | 3064 } else if (!std::isnan(fs) && std::isnan(ft)) { |
| 3065 set_fpu_register_float(fd_reg(), fs); | 3065 set_fpu_register_float(fd_reg(), fs); |
| 3066 } else { | 3066 } else { |
| 3067 float result; | 3067 float result; |
| 3068 if (fabs(fs) > fabs(ft)) { | 3068 if (fabs(fs) > fabs(ft)) { |
| 3069 result = ft; | 3069 result = ft; |
| 3070 } else if (fabs(fs) < fabs(ft)) { | 3070 } else if (fabs(fs) < fabs(ft)) { |
| 3071 result = fs; | 3071 result = fs; |
| 3072 } else { | 3072 } else { |
| 3073 result = (fs > ft ? fs : ft); | 3073 result = (fs < ft ? fs : ft); |
| 3074 } | 3074 } |
| 3075 set_fpu_register_float(fd_reg(), result); | 3075 set_fpu_register_float(fd_reg(), result); |
| 3076 } | 3076 } |
| 3077 break; | 3077 break; |
| 3078 case MAXA: | 3078 case MAXA: |
| 3079 DCHECK(IsMipsArchVariant(kMips32r6)); | 3079 DCHECK(IsMipsArchVariant(kMips32r6)); |
| 3080 fs = get_fpu_register_float(fs_reg()); | 3080 fs = get_fpu_register_float(fs_reg()); |
| 3081 if (std::isnan(fs) && std::isnan(ft)) { | 3081 if (std::isnan(fs) && std::isnan(ft)) { |
| 3082 set_fpu_register_float(fd_reg(), fs); | 3082 set_fpu_register_float(fd_reg(), fs); |
| 3083 } else if (std::isnan(fs) && !std::isnan(ft)) { | 3083 } else if (std::isnan(fs) && !std::isnan(ft)) { |
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| 4335 | 4335 |
| 4336 | 4336 |
| 4337 #undef UNSUPPORTED | 4337 #undef UNSUPPORTED |
| 4338 | 4338 |
| 4339 } // namespace internal | 4339 } // namespace internal |
| 4340 } // namespace v8 | 4340 } // namespace v8 |
| 4341 | 4341 |
| 4342 #endif // USE_SIMULATOR | 4342 #endif // USE_SIMULATOR |
| 4343 | 4343 |
| 4344 #endif // V8_TARGET_ARCH_MIPS | 4344 #endif // V8_TARGET_ARCH_MIPS |
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