ARM Cortex R4F Manuel d'utilisateur Page 35

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 64
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 34
© G.N. Khan ARM Processors/Cores – EE8205: Embedded Computer Systems Page: 35
The ARM Condition Code Field
ARM condition codes
cond
31 28 27 0
Opcode
[31:28]
Mnemonic
extension
Interpretation Status flag state for
execution
0000 EQ Equal / equals zero Z set
0001 NE Not equal Z clear
0010 CS/HS Carry set / unsigned higher or same C set
0011 CC/LO Carry clear / unsigned lower C clear
0100 MI Minus / negative N set
0101 PL Plus / positive or zero N clear
0110 VS Overflow V set
0111 VC No overflow V clear
1000 HI Unsigned higher C set and Z clear
1001 LS Unsigned lower or same C clear or Z set
1010 GE Signed greater than or equal N equals V
1011 LT Signed less than N is not equal to V
1100 GT Signed greater than Z clear and N equals V
1101 LE Signed less than or equal Z set or N is not equal to V
1110 AL Always any
1111 NV Never (do not use!) none
Vue de la page 34
1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 63 64

Commentaires sur ces manuels

Pas de commentaire