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LFENCE;CBW;XOR RAX,RBX on Skylake (more architectures)

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AssemblyLFENCE;CBW;XOR RAX,RBX
Architecture CodenameSkylake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p0156 (6662 other cmds. with the same port eligibility for instr. 2)
Port Eligibility Instr. 31*p0156 (6662 other cmds. with the same port eligibility for instr. 3)
(2566 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)8
Cutoff 11515 (117 other commands with the same cutoff)
Cutoff 23030
Instruction 1LFENCE
Swap 🔄 Instruction 2 CBW (445 other commands with the same Instruction 2)
Instruction 3XOR RAX,RBX (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a SKL -asm "LFENCE;CBW;XOR RAX,RBX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)2
Length Instruction 3 (bytes)3
Regioningtrue
Region Characterization Type22 (587 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

LFENCE;CBW;XOR RAX,RBX on additional architectures:

Other commands where Cutoff 1 = 1515:

117 instructions, click for details

Other commands where Instruction 2 = CBW:

445 instructions, click for details

Other commands where Instruction 3 = XOR RAX,RBX:

444 instructions, click for details

Other commands where Region Characterization = Type22:

587 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p0156:

6662 instructions, click for details

Other commands where the port eligibility for Instruction 3 is 1*p0156:

6662 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p0156 and for Instruction 3 is 1*p0156: