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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 // | 2 // |
| 3 // Redistribution and use in source and binary forms, with or without | 3 // Redistribution and use in source and binary forms, with or without |
| 4 // modification, are permitted provided that the following conditions are | 4 // modification, are permitted provided that the following conditions are |
| 5 // met: | 5 // met: |
| 6 // | 6 // |
| 7 // * Redistributions of source code must retain the above copyright | 7 // * Redistributions of source code must retain the above copyright |
| 8 // notice, this list of conditions and the following disclaimer. | 8 // notice, this list of conditions and the following disclaimer. |
| 9 // * Redistributions in binary form must reproduce the above | 9 // * Redistributions in binary form must reproduce the above |
| 10 // copyright notice, this list of conditions and the following | 10 // copyright notice, this list of conditions and the following |
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| 46 void CpuFeatures::ProbeImpl(bool cross_compile) { | 46 void CpuFeatures::ProbeImpl(bool cross_compile) { |
| 47 // AArch64 has no configuration options, no further probing is required. | 47 // AArch64 has no configuration options, no further probing is required. |
| 48 supported_ = 0; | 48 supported_ = 0; |
| 49 | 49 |
| 50 // Only use statically determined features for cross compile (snapshot). | 50 // Only use statically determined features for cross compile (snapshot). |
| 51 if (cross_compile) return; | 51 if (cross_compile) return; |
| 52 | 52 |
| 53 // Probe for runtime features | 53 // Probe for runtime features |
| 54 base::CPU cpu; | 54 base::CPU cpu; |
| 55 if (cpu.implementer() == base::CPU::NVIDIA && | 55 if (cpu.implementer() == base::CPU::NVIDIA && |
| 56 cpu.variant() == base::CPU::NVIDIA_DENVER) { | 56 cpu.variant() == base::CPU::NVIDIA_DENVER && |
| 57 cpu.part() <= base::CPU::NVIDIA_DENVER_V10) { |
| 57 supported_ |= 1u << COHERENT_CACHE; | 58 supported_ |= 1u << COHERENT_CACHE; |
| 58 } | 59 } |
| 59 } | 60 } |
| 60 | 61 |
| 61 | 62 |
| 62 void CpuFeatures::PrintTarget() { } | 63 void CpuFeatures::PrintTarget() { } |
| 63 | 64 |
| 64 | 65 |
| 65 void CpuFeatures::PrintFeatures() { | 66 void CpuFeatures::PrintFeatures() { |
| 66 printf("COHERENT_CACHE=%d\n", CpuFeatures::IsSupported(COHERENT_CACHE)); | 67 printf("COHERENT_CACHE=%d\n", CpuFeatures::IsSupported(COHERENT_CACHE)); |
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| 3172 movk(scratch, (target_offset >> 32) & 0xFFFF, 32); | 3173 movk(scratch, (target_offset >> 32) & 0xFFFF, 32); |
| 3173 DCHECK((target_offset >> 48) == 0); | 3174 DCHECK((target_offset >> 48) == 0); |
| 3174 add(rd, rd, scratch); | 3175 add(rd, rd, scratch); |
| 3175 } | 3176 } |
| 3176 | 3177 |
| 3177 | 3178 |
| 3178 } // namespace internal | 3179 } // namespace internal |
| 3179 } // namespace v8 | 3180 } // namespace v8 |
| 3180 | 3181 |
| 3181 #endif // V8_TARGET_ARCH_ARM64 | 3182 #endif // V8_TARGET_ARCH_ARM64 |
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