uops-again.info

LFENCE;MOV RAX,0X7FFFFFFF;MOVZX RAX,AX on Coffee Lake 𓅥 (more architectures)

AssemblyLFENCE;MOV RAX,0X7FFFFFFF;MOVZX RAX,AX
Architecture CodenameCoffee Lake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p0156
Port Eligibility Instr. 31*p0156
Total Instr. Length (bytes)12
Cutoff 1821 (14 other commands with the same cutoff)
Cutoff 21728
Graph (open in new window) (raw data)
Instruction 1LFENCE
Swap 🔄 Instruction 2 MOV RAX,0X7FFFFFFF (60 other commands with the same Instruction 2)
Instruction 3MOVZX RAX,AX (60 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a CFL -asm "LFENCE;MOV RAX,0X7FFFFFFF;MOVZX RAX,AX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)5
Length Instruction 3 (bytes)4
Regioningtrue
Region CharacterizationType27 𓅥 (361 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

See this command on additional architectures:

Other commands where Cutoff 1 = 821:

Other commands where Instruction 2 = MOV RAX,0X7FFFFFFF:

Other commands where Instruction 3 = MOVZX RAX,AX:

Other commands where Region Characterization = Type27: