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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 // 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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3521 | 3521 |
3522 if (CpuFeatures::IsSupported(VFP3)) { | 3522 if (CpuFeatures::IsSupported(VFP3)) { |
3523 CpuFeatures::Scope scope(VFP3); | 3523 CpuFeatures::Scope scope(VFP3); |
3524 __ vmov(s0, value); | 3524 __ vmov(s0, value); |
3525 __ vcvt_f64_s32(d0, s0); | 3525 __ vcvt_f64_s32(d0, s0); |
3526 __ sub(r3, r0, Operand(kHeapObjectTag)); | 3526 __ sub(r3, r0, Operand(kHeapObjectTag)); |
3527 __ vstr(d0, r3, HeapNumber::kValueOffset); | 3527 __ vstr(d0, r3, HeapNumber::kValueOffset); |
3528 __ Ret(); | 3528 __ Ret(); |
3529 } else { | 3529 } else { |
3530 WriteInt32ToHeapNumberStub stub(value, r0, r3); | 3530 WriteInt32ToHeapNumberStub stub(value, r0, r3); |
3531 __ TailCallStub(&stub); | 3531 MaybeObject* stub_code = masm()->TryTailCallStub(&stub); |
| 3532 if (stub_code->IsFailure()) return stub_code; |
3532 } | 3533 } |
3533 } else if (array_type == kExternalUnsignedIntArray) { | 3534 } else if (array_type == kExternalUnsignedIntArray) { |
3534 // The test is different for unsigned int values. Since we need | 3535 // The test is different for unsigned int values. Since we need |
3535 // the value to be in the range of a positive smi, we can't | 3536 // the value to be in the range of a positive smi, we can't |
3536 // handle either of the top two bits being set in the value. | 3537 // handle either of the top two bits being set in the value. |
3537 if (CpuFeatures::IsSupported(VFP3)) { | 3538 if (CpuFeatures::IsSupported(VFP3)) { |
3538 CpuFeatures::Scope scope(VFP3); | 3539 CpuFeatures::Scope scope(VFP3); |
3539 Label box_int, done; | 3540 Label box_int, done; |
3540 __ tst(value, Operand(0xC0000000)); | 3541 __ tst(value, Operand(0xC0000000)); |
3541 __ b(ne, &box_int); | 3542 __ b(ne, &box_int); |
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4053 | 4054 |
4054 return GetCode(flags); | 4055 return GetCode(flags); |
4055 } | 4056 } |
4056 | 4057 |
4057 | 4058 |
4058 #undef __ | 4059 #undef __ |
4059 | 4060 |
4060 } } // namespace v8::internal | 4061 } } // namespace v8::internal |
4061 | 4062 |
4062 #endif // V8_TARGET_ARCH_ARM | 4063 #endif // V8_TARGET_ARCH_ARM |
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