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LFENCE;IMUL RAX,RBX;CRC32 RAX,RBX on Ice Lake (more architectures)

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AssemblyLFENCE;IMUL RAX,RBX;CRC32 RAX,RBX
Architecture CodenameIce Lake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p1 (2358 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)
(76 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)13
Cutoff 12155 (1 other commands with the same cutoff)
Cutoff 24217
Instruction 1LFENCE
Swap 🔄 Instruction 2 IMUL RAX,RBX (444 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 ICL -asm "LFENCE;IMUL RAX,RBX;CRC32 RAX,RBX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)4
Length Instruction 3 (bytes)6
Regioningfalse
Region Characterization Type32 (1025 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

LFENCE;IMUL RAX,RBX;CRC32 RAX,RBX on additional architectures:

Other commands where Cutoff 1 = 2155:

1 instructions, click for details

Other commands where Instruction 2 = IMUL RAX,RBX:

444 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*p1:

2358 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*p1 and for Instruction 3 is None: