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 1495
- 323bd24c6520
- parent 1210
- 93c14e5562c4
- child 1907
- c18cbe5936b8
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| 1494:389049f3f393 | 1495:323bd24c6520 |
|---|---|
| 253 #ifdef _LP64 | 253 #ifdef _LP64 |
| 254 // OS should support SSE for x64 and hardware should support at least SSE2. | 254 // OS should support SSE for x64 and hardware should support at least SSE2. |
| 255 if (!VM_Version::supports_sse2()) { | 255 if (!VM_Version::supports_sse2()) { |
| 256 vm_exit_during_initialization("Unknown x64 processor: SSE2 not supported"); | 256 vm_exit_during_initialization("Unknown x64 processor: SSE2 not supported"); |
| 257 } | 257 } |
| 258 // in 64 bit the use of SSE2 is the minimum | |
| 259 if (UseSSE < 2) UseSSE = 2; | |
| 258 #endif | 260 #endif |
| 259 | 261 |
| 260 // If the OS doesn't support SSE, we can't use this feature even if the HW does | 262 // If the OS doesn't support SSE, we can't use this feature even if the HW does |
| 261 if (!os::supports_sse()) | 263 if (!os::supports_sse()) |
| 262 _cpuFeatures &= ~(CPU_SSE|CPU_SSE2|CPU_SSE3|CPU_SSSE3|CPU_SSE4A|CPU_SSE4_1|CPU_SSE4_2); | 264 _cpuFeatures &= ~(CPU_SSE|CPU_SSE2|CPU_SSE3|CPU_SSSE3|CPU_SSE4A|CPU_SSE4_1|CPU_SSE4_2); |
