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Date: Sat, 25 May 2002 00:04:20 +0200 (CEST)
From: Riccardo Torrini <riccardo@torrini.org>
To: John Baldwin <jhb@FreeBSD.ORG>
Subject: RE: Please test PAUSE on non-Intel processors
Cc: current@FreeBSD.ORG
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On 24-May-2002 (14:25:53/GMT) John Baldwin wrote:

> Please compile the attached test program and run it...

FreeBSD 5.0-CURRENT #34: Wed May  8 02:31:46 CEST 2002
CPU: Pentium III/Pentium III Xeon/Celeron (501.14-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x672  Stepping = 2
  Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,
    PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
[...]
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

# ./pausetest 
Testing PAUSE instruction:
Register esp changed: 0xbfbff7dc -> 0xbfbff7a0



FreeBSD 4.5-STABLE #9: Mon Apr 22 16:54:08 CEST 2002
CPU: IDT WinChip 2 (199.90-MHz 586-class CPU)
  Origin = "CentaurHauls"  Id = 0x585  Stepping = 5
  Features=0x8000b5<FPU,DE,TSC,MSR,MCE,MMX>

# ./pausetest 
Testing PAUSE instruction:
Register esp changed: 0xbfbffb98 -> 0xbfbffb5c



FreeBSD 4.5-STABLE #4: Mon Apr 22 17:39:58 GMT 2002
CPU: IDT WinChip C6 (199.74-MHz 586-class CPU)
  Origin = "CentaurHauls"  Id = 0x541  Stepping = 1
  Features=0x8000b5<FPU,DE,TSC,MSR,MCE,MMX>

# ./pausetest 
Testing PAUSE instruction:
Register esp changed: 0xbfbffb9c -> 0xbfbffb60



FreeBSD 4.4-STABLE #3: Sun Sep 25 11:26:23 GMT 2001
CPU: i486 SX2 (486-class CPU)
  Origin = "GenuineIntel"  Id = 0x45b  Stepping = 11
  Features=0x2<VME>

# ./pausetest 
Testing PAUSE instruction:
Register esp changed: 0xbfbffba0 -> 0xbfbffb64



FreeBSD 4.5-STABLE #3: Mon Apr 22 14:54:18 GMT 2002
CPU: Cyrix 6x86MX (200.46-MHz 686-class CPU)
  Origin = "CyrixInstead"  Id = 0x600  Stepping = 0  DIR=0x0753
  Features=0x80a135<FPU,DE,TSC,MSR,CX8,PGE,CMOV,MMX>

# ./pausetest 
Testing PAUSE instruction:
Register esp changed: 0xbfbffbb8 -> 0xbfbffb7c


Riccardo.

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