35-160 Vol. 3C

MODEL-SPECIFIC REGISTERS (MSRS)

68BH

1675

MSR_

LASTBRANCH_11_FROM_IP

Thread

Last Branch Record 11 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.

68CH

1676

MSR_

LASTBRANCH_12_FROM_IP

Thread

Last Branch Record 12 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.

68DH

1677

MSR_

LASTBRANCH_13_FROM_IP

Thread

Last Branch Record 13 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.

68EH

1678

MSR_

LASTBRANCH_14_FROM_IP

Thread

Last Branch Record 14 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.

68FH

1679

MSR_

LASTBRANCH_15_FROM_IP

Thread

Last Branch Record 15 From IP (R/W)
See description of MSR_LASTBRANCH_0_FROM_IP.

6C0H

1728

MSR_

LASTBRANCH_0_TO_IP

Thread

Last Branch Record 0 To IP (R/W)
One of sixteen pairs of last branch record registers on the last 

branch record stack. This part of the stack contains pointers to the 

destination instruction.

6C1H

1729

MSR_

LASTBRANCH_1_TO_IP

Thread

Last Branch Record 1 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C2H

1730

MSR_

LASTBRANCH_2_TO_IP

Thread

Last Branch Record 2 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C3H

1731

MSR_

LASTBRANCH_3_TO_IP

Thread

Last Branch Record 3 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C4H

1732

MSR_

LASTBRANCH_4_TO_IP

Thread

Last Branch Record 4 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C5H

1733

MSR_

LASTBRANCH_5_TO_IP

Thread

Last Branch Record 5 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C6H

1734

MSR_

LASTBRANCH_6_TO_IP

Thread

Last Branch Record 6 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C7H

1735

MSR_

LASTBRANCH_7_TO_IP

Thread

Last Branch Record 7 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C8H

1736

MSR_

LASTBRANCH_8_TO_IP

Thread

Last Branch Record 8 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6C9H

1737

MSR_

LASTBRANCH_9_TO_IP

Thread

Last Branch Record 9 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6CAH

1738

MSR_

LASTBRANCH_10_TO_IP

Thread

Last Branch Record 10 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6CBH

1739

MSR_

LASTBRANCH_11_TO_IP

Thread

Last Branch Record 11 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

6CCH

1740

MSR_

LASTBRANCH_12_TO_IP

Thread

Last Branch Record 12 To IP (R/W)
See description of MSR_LASTBRANCH_0_TO_IP. 

Table 35-18.  MSRs Supported by Intel® Processors 

based on Intel® microarchitecture code name Sandy Bridge (Contd.)

Register 

Address

Register Name

Scope

Bit Description

 Hex

Dec