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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 |
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3362 } | 3362 } |
3363 } | 3363 } |
3364 // All comparisons failed, must be NaN. | 3364 // All comparisons failed, must be NaN. |
3365 return H_CONSTANT_DOUBLE(OS::nan_value()); | 3365 return H_CONSTANT_DOUBLE(OS::nan_value()); |
3366 } | 3366 } |
3367 } | 3367 } |
3368 return new(zone) HMathMinMax(context, left, right, op); | 3368 return new(zone) HMathMinMax(context, left, right, op); |
3369 } | 3369 } |
3370 | 3370 |
3371 | 3371 |
3372 HInstruction* HMod::New( | 3372 HInstruction* HMod::New(Zone* zone, |
3373 Zone* zone, HValue* context, HValue* left, HValue* right) { | 3373 HValue* context, |
| 3374 HValue* left, |
| 3375 HValue* right, |
| 3376 bool has_fixed_right_arg, |
| 3377 int fixed_right_arg_value) { |
3374 if (FLAG_fold_constants && left->IsConstant() && right->IsConstant()) { | 3378 if (FLAG_fold_constants && left->IsConstant() && right->IsConstant()) { |
3375 HConstant* c_left = HConstant::cast(left); | 3379 HConstant* c_left = HConstant::cast(left); |
3376 HConstant* c_right = HConstant::cast(right); | 3380 HConstant* c_right = HConstant::cast(right); |
3377 if (c_left->HasInteger32Value() && c_right->HasInteger32Value()) { | 3381 if (c_left->HasInteger32Value() && c_right->HasInteger32Value()) { |
3378 int32_t dividend = c_left->Integer32Value(); | 3382 int32_t dividend = c_left->Integer32Value(); |
3379 int32_t divisor = c_right->Integer32Value(); | 3383 int32_t divisor = c_right->Integer32Value(); |
3380 if (dividend == kMinInt && divisor == -1) { | 3384 if (dividend == kMinInt && divisor == -1) { |
3381 return H_CONSTANT_DOUBLE(-0.0); | 3385 return H_CONSTANT_DOUBLE(-0.0); |
3382 } | 3386 } |
3383 if (divisor != 0) { | 3387 if (divisor != 0) { |
3384 int32_t res = dividend % divisor; | 3388 int32_t res = dividend % divisor; |
3385 if ((res == 0) && (dividend < 0)) { | 3389 if ((res == 0) && (dividend < 0)) { |
3386 return H_CONSTANT_DOUBLE(-0.0); | 3390 return H_CONSTANT_DOUBLE(-0.0); |
3387 } | 3391 } |
3388 return H_CONSTANT_INT32(res); | 3392 return H_CONSTANT_INT32(res); |
3389 } | 3393 } |
3390 } | 3394 } |
3391 } | 3395 } |
3392 return new(zone) HMod(context, left, right); | 3396 return new(zone) HMod(context, |
| 3397 left, |
| 3398 right, |
| 3399 has_fixed_right_arg, |
| 3400 fixed_right_arg_value); |
3393 } | 3401 } |
3394 | 3402 |
3395 | 3403 |
3396 HInstruction* HDiv::New( | 3404 HInstruction* HDiv::New( |
3397 Zone* zone, HValue* context, HValue* left, HValue* right) { | 3405 Zone* zone, HValue* context, HValue* left, HValue* right) { |
3398 // If left and right are constant values, try to return a constant value. | 3406 // If left and right are constant values, try to return a constant value. |
3399 if (FLAG_fold_constants && left->IsConstant() && right->IsConstant()) { | 3407 if (FLAG_fold_constants && left->IsConstant() && right->IsConstant()) { |
3400 HConstant* c_left = HConstant::cast(left); | 3408 HConstant* c_left = HConstant::cast(left); |
3401 HConstant* c_right = HConstant::cast(right); | 3409 HConstant* c_right = HConstant::cast(right); |
3402 if ((c_left->HasNumberValue() && c_right->HasNumberValue())) { | 3410 if ((c_left->HasNumberValue() && c_right->HasNumberValue())) { |
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3756 case kBackingStore: | 3764 case kBackingStore: |
3757 if (!name_.is_null()) stream->Add(*String::cast(*name_)->ToCString()); | 3765 if (!name_.is_null()) stream->Add(*String::cast(*name_)->ToCString()); |
3758 stream->Add("[backing-store]"); | 3766 stream->Add("[backing-store]"); |
3759 break; | 3767 break; |
3760 } | 3768 } |
3761 | 3769 |
3762 stream->Add("@%d", offset()); | 3770 stream->Add("@%d", offset()); |
3763 } | 3771 } |
3764 | 3772 |
3765 } } // namespace v8::internal | 3773 } } // namespace v8::internal |
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