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4–98 Alpha Architecture Handbook
4.8.8 Store T_floating
Format:
Operation:
va ← {Rbv + SEXT(disp)}
(va)<63:0> ← Fav<63:0>
Exceptions:
Instruction mnemonics:
Qualifiers:
Description:
STT stores a quadword (integer or T_floating) datum from Fa to memory. If the data is not nat-
urally aligned, an alignment exception is generated.
The virtual address is computed by adding register Rb to the sign-extended 16-bit displace-
ment. The source operand is fetched from register Fa and written to memory.
STT Fa.rt,disp.ab(Rb.ab)
!Memory format
Access Violation
Fault on Write
Alignment
Translation Not Valid
STT Store T_floating (Store Quadword Integer)
None