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LFENCE;BSF RAX,RBX;CBW on Broadwell (more architectures)

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AssemblyLFENCE;BSF RAX,RBX;CBW
Architecture CodenameBroadwell
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p1 (2358 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)
(650 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)9
Cutoff 11575 (1309 other commands with the same cutoff)
Cutoff 23149
Instruction 1LFENCE
Swap 🔄 Instruction 2 BSF RAX,RBX (444 other commands with the same Instruction 2)
Instruction 3CBW (445 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a BDW -asm "LFENCE;BSF RAX,RBX;CBW" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)4
Length Instruction 3 (bytes)2
Regioningtrue
Region Characterization Type21 (472 other commands with the same type)
Element Order Changes Regioning Effecttrue
Element Order Change DescriptionDifferent pattern of Type17

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

Other commands where Cutoff 1 = 1575:

1309 instructions, click for details

Other commands where Instruction 2 = BSF RAX,RBX:

444 instructions, click for details

Other commands where Instruction 3 = CBW:

445 instructions, click for details

Other commands where Region Characterization = Type21:

472 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p1:

2358 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*p1 and for Instruction 3 is 1*p0156: