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LFENCE;CRC32 RAX,RBX;VANDNPD XMM0,XMM1,XMM2 on Ivy Bridge (more architectures)

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AssemblyLFENCE;CRC32 RAX,RBX;VANDNPD XMM0,XMM1,XMM2
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*p5 (2846 other cmds. with the same port eligibility for instr. 3)
(90 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)13
Cutoff 12657 (6 other commands with the same cutoff)
Cutoff 25348
Instruction 1LFENCE
Swap 🔄 Instruction 2 CRC32 RAX,RBX (444 other commands with the same Instruction 2)
Instruction 3VANDNPD XMM0,XMM1,XMM2 (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a IVB -asm "LFENCE;CRC32 RAX,RBX;VANDNPD XMM0,XMM1,XMM2" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)6
Length Instruction 3 (bytes)4
Regioningtrue
Region Characterization Type47 (1062 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

LFENCE;CRC32 RAX,RBX;VANDNPD XMM0,XMM1,XMM2 on additional architectures:

Other commands where Cutoff 1 = 2657:

6 instructions, click for details

Other commands where Instruction 2 = CRC32 RAX,RBX:

444 instructions, click for details

Other commands where Instruction 3 = VANDNPD XMM0,XMM1,XMM2:

444 instructions, click for details

Other commands where Region Characterization = Type47:

1062 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*p5:

2846 instructions, click for details

Other commands where the port eligibility for Instruction 2 is None and for Instruction 3 is 1*p5: