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LFENCE;VANDNPS XMM0,XMM1,XMM2;CRC32 RAX,RBX on Broadwell (more architectures)

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AssemblyLFENCE;VANDNPS XMM0,XMM1,XMM2;CRC32 RAX,RBX
Architecture CodenameBroadwell
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p5 (2846 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)
(90 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)13
Cutoff 12169 (6 other commands with the same cutoff)
Cutoff 24208
Instruction 1LFENCE
Swap 🔄 Instruction 2 VANDNPS XMM0,XMM1,XMM2 (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 BDW -asm "LFENCE;VANDNPS XMM0,XMM1,XMM2;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 Type26 (1246 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

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

Other commands where Cutoff 1 = 2169:

6 instructions, click for details

Other commands where Instruction 2 = VANDNPS XMM0,XMM1,XMM2:

444 instructions, click for details

Other commands where Instruction 3 = CRC32 RAX,RBX:

444 instructions, click for details

Other commands where Region Characterization = Type26:

1246 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p5:

2846 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*p5 and for Instruction 3 is None: