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Alpha 21264/EV67 Hardware Reference Manual
Alpha Instruction Set A–5
Alpha Instruction Summary
FCMOVGT F-P 17.02F FCMOVE if > zero
FCMOVLE F-P 17.02E FCMOVE if ≤ zero
FCMOVLT F-P 17.02C FCMOVE if < zero
FCMOVNE F-P 17.02B
FCMOVE if
≠
zero
FETCH Mfc 18.8000 Prefetch data
FETCH_M Mfc 18.A000 Prefetch data, modify intent
FTOIS F-P 1C.78 Floating to integer move, S_floating
FTOIT F-P 1C.70 Floating to integer move, T_floating
IMPLVER Opr 11.6C Implementation version
INSBL Opr 12.0B Insert byte low
INSLH Opr 12.67 Insert longword high
INSLL Opr 12.2B Insert longword low
INSQH Opr 12.77 Insert quadword high
INSQL Opr 12.3B Insert quadword low
INSWH Opr 12.57 Insert word high
INSWL Opr 12.1B Insert word low
ITOFF F-P 14.014 Integer to floating move, F_floating
ITOFS F-P 14.004 Integer to floating move, S_floating
ITOFT F-P 14.024 Integer to floating move, T_floating
JMP Mbr 1A.0 Jump
JSR Mbr 1A.1 Jump to subroutine
JSR_COROUTINE Mbr 1A.3 Jump to subroutine return
LDA Mem 08 Load address
LDAH Mem 09 Load address high
LDBU Mem 0A Load zero-extended byte
LDF Mem 20 Load F_floating
LDG Mem 21 Load G_floating
LDL Mem 28 Load sign-extended longword
LDL_L Mem 2A Load sign-extended longword locked
LDQ Mem 29 Load quadword
LDQ_L Mem 2B Load quadword locked
LDQ_U Mem 0B Load unaligned quadword
Table A–2 Architecture Instructions (Continued)
Mnemonic Format Opcode Description