Byte-Reverse Halfword

X-Form

• brh RA,RS

Pseudo-code:

RA <- ((RS)[8:15]  || (RS)[0:7]   ||
       (RS)[24:31] || (RS)[16:23] ||
       (RS)[40:47] || (RS)[32:39] ||
       (RS)[56:63] || (RS)[48:55])

Special Registers Altered:

None

Byte-Reverse Word

X-Form

• brw RA,RS

Pseudo-code:

RA <- ((RS)[24:31] || (RS)[16:23] ||
       (RS)[8:15]  || (RS)[0:7]   ||
       (RS)[56:63] || (RS)[48:55] ||
       (RS)[40:47] || (RS)[32:39])

Special Registers Altered:

None

Byte-Reverse Doubleword

X-Form

• brd RA,RS

Pseudo-code:

RA <- ((RS)[56:63] || (RS)[48:55] ||
       (RS)[40:47] || (RS)[32:39] ||
       (RS)[24:31] || (RS)[16:23] ||
       (RS)[8:15]  || (RS)[0:7])

Special Registers Altered:

None