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Results 1 - 1 of 1 for RDTSCP (0.15 sec)
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src/runtime/asm_amd64.s
TEXT runtime·cputicks(SB),NOSPLIT,$0-0 CMPB internal∕cpu·X86+const_offsetX86HasRDTSCP(SB), $1 JNE fences // Instruction stream serializing RDTSCP is supported. // RDTSCP is supported by Intel Nehalem (2008) and // AMD K8 Rev. F (2006) and newer. RDTSCP done: SHLQ $32, DX ADDQ DX, AX MOVQ AX, ret+0(FP) RET fences: // MFENCE is instruction stream serializing and flushes the
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