282 // HT processor could be installed on a system which doesn't support HT. |
282 // HT processor could be installed on a system which doesn't support HT. |
283 _cpuFeatures &= ~CPU_HT; |
283 _cpuFeatures &= ~CPU_HT; |
284 } |
284 } |
285 |
285 |
286 char buf[256]; |
286 char buf[256]; |
287 jio_snprintf(buf, sizeof(buf), "(%u cores per cpu, %u threads per core) family %d model %d stepping %d%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", |
287 jio_snprintf(buf, sizeof(buf), "(%u cores per cpu, %u threads per core) family %d model %d stepping %d%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", |
288 cores_per_cpu(), threads_per_core(), |
288 cores_per_cpu(), threads_per_core(), |
289 cpu_family(), _model, _stepping, |
289 cpu_family(), _model, _stepping, |
290 (supports_cmov() ? ", cmov" : ""), |
290 (supports_cmov() ? ", cmov" : ""), |
291 (supports_cmpxchg8() ? ", cx8" : ""), |
291 (supports_cmpxchg8() ? ", cx8" : ""), |
292 (supports_fxsr() ? ", fxsr" : ""), |
292 (supports_fxsr() ? ", fxsr" : ""), |
295 (supports_sse2() ? ", sse2" : ""), |
295 (supports_sse2() ? ", sse2" : ""), |
296 (supports_sse3() ? ", sse3" : ""), |
296 (supports_sse3() ? ", sse3" : ""), |
297 (supports_ssse3()? ", ssse3": ""), |
297 (supports_ssse3()? ", ssse3": ""), |
298 (supports_sse4_1() ? ", sse4.1" : ""), |
298 (supports_sse4_1() ? ", sse4.1" : ""), |
299 (supports_sse4_2() ? ", sse4.2" : ""), |
299 (supports_sse4_2() ? ", sse4.2" : ""), |
|
300 (supports_popcnt() ? ", popcnt" : ""), |
300 (supports_mmx_ext() ? ", mmxext" : ""), |
301 (supports_mmx_ext() ? ", mmxext" : ""), |
301 (supports_3dnow() ? ", 3dnow" : ""), |
302 (supports_3dnow() ? ", 3dnow" : ""), |
302 (supports_3dnow2() ? ", 3dnowext" : ""), |
303 (supports_3dnow2() ? ", 3dnowext" : ""), |
303 (supports_sse4a() ? ", sse4a": ""), |
304 (supports_sse4a() ? ", sse4a": ""), |
304 (supports_ht() ? ", ht": "")); |
305 (supports_ht() ? ", ht": "")); |
405 if( supports_sse4_2() && supports_ht() ) { // Newest Intel cpus |
406 if( supports_sse4_2() && supports_ht() ) { // Newest Intel cpus |
406 if( FLAG_IS_DEFAULT(UseUnalignedLoadStores) && UseXMMForArrayCopy ) { |
407 if( FLAG_IS_DEFAULT(UseUnalignedLoadStores) && UseXMMForArrayCopy ) { |
407 UseUnalignedLoadStores = true; // use movdqu on newest Intel cpus |
408 UseUnalignedLoadStores = true; // use movdqu on newest Intel cpus |
408 } |
409 } |
409 } |
410 } |
|
411 } |
|
412 } |
|
413 |
|
414 // Use population count instruction if available. |
|
415 if (supports_popcnt()) { |
|
416 if (FLAG_IS_DEFAULT(UsePopCountInstruction)) { |
|
417 UsePopCountInstruction = true; |
410 } |
418 } |
411 } |
419 } |
412 |
420 |
413 assert(0 <= ReadPrefetchInstr && ReadPrefetchInstr <= 3, "invalid value"); |
421 assert(0 <= ReadPrefetchInstr && ReadPrefetchInstr <= 3, "invalid value"); |
414 assert(0 <= AllocatePrefetchInstr && AllocatePrefetchInstr <= 3, "invalid value"); |
422 assert(0 <= AllocatePrefetchInstr && AllocatePrefetchInstr <= 3, "invalid value"); |