PCMPESTRI

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf x86 instruction
gptkbp:architecture x86
x86-64
gptkbp:category SIMD instruction
gptkbp:describes Compares packed strings in XMM registers or memory and returns index based on comparison.
gptkbp:fullName Packed Compare Explicit Length Strings, Return Index
https://www.w3.org/2000/01/rdf-schema#label PCMPESTRI
gptkbp:introducedIn gptkb:SSE4.2
gptkbp:opcode 0x66 0F 3A 61 /r ib
gptkbp:operates gptkb:XMM_registers
memory operand
gptkbp:relatedTo gptkb:SSE4.2
gptkb:PCMPESTRM
gptkb:PCMPISTRI
gptkbp:set gptkb:EFLAGS
gptkbp:usedFor string comparison
gptkbp:bfsParent gptkb:SSE4.2
gptkbp:bfsLayer 5