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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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2771 } else if ((instr->Opc1Value() == 0x2) && !(instr->Opc3Value() & 0x1)) { | 2771 } else if ((instr->Opc1Value() == 0x2) && !(instr->Opc3Value() & 0x1)) { |
2772 // vmul | 2772 // vmul |
2773 if (instr->SzValue() != 0x1) { | 2773 if (instr->SzValue() != 0x1) { |
2774 UNREACHABLE(); // Not used by V8. | 2774 UNREACHABLE(); // Not used by V8. |
2775 } | 2775 } |
2776 | 2776 |
2777 double dn_value = get_double_from_d_register(vn); | 2777 double dn_value = get_double_from_d_register(vn); |
2778 double dm_value = get_double_from_d_register(vm); | 2778 double dm_value = get_double_from_d_register(vm); |
2779 double dd_value = dn_value * dm_value; | 2779 double dd_value = dn_value * dm_value; |
2780 set_d_register_from_double(vd, dd_value); | 2780 set_d_register_from_double(vd, dd_value); |
| 2781 } else if ((instr->Opc1Value() == 0x0) && !(instr->Opc3Value() & 0x1)) { |
| 2782 // vmla |
| 2783 if (instr->SzValue() != 0x1) { |
| 2784 UNREACHABLE(); // Not used by V8. |
| 2785 } |
| 2786 |
| 2787 double dd_value = get_double_from_d_register(vd); |
| 2788 double dn_value = get_double_from_d_register(vn); |
| 2789 double dm_value = get_double_from_d_register(vm); |
| 2790 |
| 2791 // Note: we do the mul and add in separate steps to avoid getting a result |
| 2792 // with too high precision. |
| 2793 set_d_register_from_double(vd, dn_value * dm_value); |
| 2794 set_d_register_from_double(vd, get_double_from_d_register(vd) + dd_value); |
2781 } else if ((instr->Opc1Value() == 0x4) && !(instr->Opc3Value() & 0x1)) { | 2795 } else if ((instr->Opc1Value() == 0x4) && !(instr->Opc3Value() & 0x1)) { |
2782 // vdiv | 2796 // vdiv |
2783 if (instr->SzValue() != 0x1) { | 2797 if (instr->SzValue() != 0x1) { |
2784 UNREACHABLE(); // Not used by V8. | 2798 UNREACHABLE(); // Not used by V8. |
2785 } | 2799 } |
2786 | 2800 |
2787 double dn_value = get_double_from_d_register(vn); | 2801 double dn_value = get_double_from_d_register(vn); |
2788 double dm_value = get_double_from_d_register(vm); | 2802 double dm_value = get_double_from_d_register(vm); |
2789 double dd_value = dn_value / dm_value; | 2803 double dd_value = dn_value / dm_value; |
2790 div_zero_vfp_flag_ = (dm_value == 0); | 2804 div_zero_vfp_flag_ = (dm_value == 0); |
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3392 uintptr_t address = *stack_slot; | 3406 uintptr_t address = *stack_slot; |
3393 set_register(sp, current_sp + sizeof(uintptr_t)); | 3407 set_register(sp, current_sp + sizeof(uintptr_t)); |
3394 return address; | 3408 return address; |
3395 } | 3409 } |
3396 | 3410 |
3397 } } // namespace v8::internal | 3411 } } // namespace v8::internal |
3398 | 3412 |
3399 #endif // USE_SIMULATOR | 3413 #endif // USE_SIMULATOR |
3400 | 3414 |
3401 #endif // V8_TARGET_ARCH_ARM | 3415 #endif // V8_TARGET_ARCH_ARM |
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