FCMP, FCMPE 

Floating-Point Compare—can set any of the four floating-point condition codes. 

LDFSR, STFSR 

Load/Store FSR- only affect low-order 32 bits of FSR 

LDUW, LDUWA 

Same as LD, LDA in SPARC-V8 

RDASR/WRASR 

Read/Write State Registers - access additional registers 

SAVE/RESTORE 

SETHI 

SRA, SRL, SLL, Shifts 

Split into 32-bit and 64-bit versions 

Tcc 

(was Ticc) Operates with either the 32-bit integer condition codes (icc), or the 64-bit integer condition codes (xcc)