Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/vm_version_x86.cpp
src/cpu/x86/vm/vm_version_x86.cpp
- changeset 8729
- 402618d5afc9
- parent 8637
- 079d89ac8f34
- child 8856
- ac27a9c85bea
- child 8984
- 7c2285d86b8d
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replaced
| 8728:8119c543f2af | 8729:402618d5afc9 |
|---|---|
| 404 _cpu = 4; // 486 by default | 404 _cpu = 4; // 486 by default |
| 405 _model = 0; | 405 _model = 0; |
| 406 _stepping = 0; | 406 _stepping = 0; |
| 407 _cpuFeatures = 0; | 407 _cpuFeatures = 0; |
| 408 _logical_processors_per_package = 1; | 408 _logical_processors_per_package = 1; |
| 409 // i486 internal cache is both I&D and has a 16-byte line size | |
| 410 _L1_data_cache_line_size = 16; | |
| 409 | 411 |
| 410 if (!Use486InstrsOnly) { | 412 if (!Use486InstrsOnly) { |
| 411 // Get raw processor info | 413 // Get raw processor info |
| 412 | 414 |
| 413 // Some platforms (like Win*) need a wrapper around here | 415 // Some platforms (like Win*) need a wrapper around here |
| 422 if (cpu_family() > 4) { // it supports CPUID | 424 if (cpu_family() > 4) { // it supports CPUID |
| 423 _cpuFeatures = feature_flags(); | 425 _cpuFeatures = feature_flags(); |
| 424 // Logical processors are only available on P4s and above, | 426 // Logical processors are only available on P4s and above, |
| 425 // and only if hyperthreading is available. | 427 // and only if hyperthreading is available. |
| 426 _logical_processors_per_package = logical_processor_count(); | 428 _logical_processors_per_package = logical_processor_count(); |
| 429 _L1_data_cache_line_size = L1_line_size(); | |
| 427 } | 430 } |
| 428 } | 431 } |
| 429 | 432 |
| 430 _supports_cx8 = supports_cmpxchg8(); | 433 _supports_cx8 = supports_cmpxchg8(); |
| 431 // xchg and xadd instructions | 434 // xchg and xadd instructions |
| 1032 | 1035 |
| 1033 #ifndef PRODUCT | 1036 #ifndef PRODUCT |
| 1034 if (PrintMiscellaneous && Verbose) { | 1037 if (PrintMiscellaneous && Verbose) { |
| 1035 tty->print_cr("Logical CPUs per core: %u", | 1038 tty->print_cr("Logical CPUs per core: %u", |
| 1036 logical_processors_per_package()); | 1039 logical_processors_per_package()); |
| 1040 tty->print_cr("L1 data cache line size: %u", L1_data_cache_line_size()); | |
| 1037 tty->print("UseSSE=%d", (int) UseSSE); | 1041 tty->print("UseSSE=%d", (int) UseSSE); |
| 1038 if (UseAVX > 0) { | 1042 if (UseAVX > 0) { |
| 1039 tty->print(" UseAVX=%d", (int) UseAVX); | 1043 tty->print(" UseAVX=%d", (int) UseAVX); |
| 1040 } | 1044 } |
| 1041 if (UseAES) { | 1045 if (UseAES) { |
