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LFENCE;ANDN RAX,RBX,RCX;CRC32 RAX,RBX on Cascade Lake (more architectures)

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AssemblyLFENCE;ANDN RAX,RBX,RCX;CRC32 RAX,RBX
Architecture CodenameCascade Lake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p15 (1576 other cmds. with the same port eligibility for instr. 2)
Port Eligibility Instr. 3None (644 other cmds. with the same port eligibility for instr. 3)
(44 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)14
Cutoff 1None (10976 other commands with the same cutoff)
Cutoff 2None
Instruction 1LFENCE
Swap 🔄 Instruction 2 ANDN RAX,RBX,RCX (398 other commands with the same Instruction 2)
Instruction 3CRC32 RAX,RBX (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a CSL -asm "LFENCE;ANDN RAX,RBX,RCX;CRC32 RAX,RBX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)5
Length Instruction 3 (bytes)6
Regioningfalse
Region Characterization Type32 (1025 other commands with the same type)
Element Order Changes Regioning Effecttrue
Element Order Change DescriptionDifferent pattern of Type47

LFENCE;ANDN RAX,RBX,RCX;CRC32 RAX,RBX on additional architectures:

Other commands where Cutoff 1 = None:

10976 instructions, click for details

Other commands where Instruction 2 = ANDN RAX,RBX,RCX:

398 instructions, click for details

Other commands where Instruction 3 = CRC32 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 1*p15:

1576 instructions, click for details

Other commands where the port eligibility for Instruction 3 is None:

644 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p15 and for Instruction 3 is None: