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LFENCE;BLSI RAX,RBX;POPCNT RAX,RBX on Ivy Bridge (more architectures)

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AssemblyLFENCE;BLSI RAX,RBX;POPCNT RAX,RBX
Architecture CodenameIvy Bridge
Port Eligibility Instr. 1None
Port Eligibility Instr. 2None (644 other cmds. with the same port eligibility for instr. 2)
Port Eligibility Instr. 31*p1 (2358 other cmds. with the same port eligibility for instr. 3)
(76 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)13
Cutoff 1461 (384 other commands with the same cutoff)
Cutoff 2861
Instruction 1LFENCE
Swap 🔄 Instruction 2 BLSI RAX,RBX (398 other commands with the same Instruction 2)
Instruction 3POPCNT RAX,RBX (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a IVB -asm "LFENCE;BLSI RAX,RBX;POPCNT RAX,RBX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)5
Length Instruction 3 (bytes)5
Regioningfalse
Region Characterization Type32 (1025 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

LFENCE;BLSI RAX,RBX;POPCNT RAX,RBX on additional architectures:

Other commands where Cutoff 1 = 461:

384 instructions, click for details

Other commands where Instruction 2 = BLSI RAX,RBX:

398 instructions, click for details

Other commands where Instruction 3 = POPCNT RAX,RBX:

444 instructions, click for details

Other commands where Region Characterization = Type32:

1025 instructions, click for details

Other commands where the port eligibility for Instruction 2 is None:

644 instructions, click for details

Other commands where the port eligibility for Instruction 3 is 1*p1:

2358 instructions, click for details

Other commands where the port eligibility for Instruction 2 is None and for Instruction 3 is 1*p1: