Compaq EV68A 15.0AF Convert Gfloating to quadword, Convert longword to quadword, Divide Ffloating

Alpha Instruction Summary

Table A–2 Architecture Instructions (Continued)

Mnemonic	Format	Opcode	Description
CVTGQ	F-P	15.0AF	Convert G_floating to quadword
CVTLQ	F-P	17.010	Convert longword to quadword
CVTQF	F-P	15.0BC	Convert quadword to F_floating
CVTQG	F-P	15.0BE	Convert quadword to G_floating
CVTQL	F-P	17.030	Convert quadword to longword
CVTQS	F-P	16.0BC	Convert quadword to S_floating
CVTQT	F-P	16.0BE	Convert quadword to T_floating
CVTST	F-P	16.2AC	Convert S_floating to T_floating
CVTTQ	F-P	16.0AF	Convert T_floating to quadword
CVTTS	F-P	16.0AC	Convert T_floating to S_floating
DIVF	F-P	15.083	Divide F_floating
DIVG	F-P	15.0A3	Divide G_floating
DIVS	F-P	16.083	Divide S_floating
DIVT	F-P	16.0A3	Divide T_floating
ECB	Mfc	18.E800	Evict cache block
EQV	Opr	11.48	Logical equivalence
EXCB	Mfc	18.0400	Exception barrier
EXTBL	Opr	12.06	Extract byte low
EXTLH	Opr	12.6A	Extract longword high
EXTLL	Opr	12.26	Extract longword low
EXTQH	Opr	12.7A	Extract quadword high
EXTQL	Opr	12.36	Extract quadword low
EXTWH	Opr	12.5A	Extract word high
EXTWL	Opr	12.16	Extract word low
FBEQ	Bra	31	Floating branch if = zero
FBGE	Bra	36	Floating branch if ≥ zero
FBGT	Bra	37	Floating branch if > zero
FBLE	Bra	33	Floating branch if ≤ zero
FBLT	Bra	32	Floating branch if < zero
FBNE	Bra	35	Floating branch if ≠ zero
FCMOVEQ	F-P	17.02A	FCMOVE if = zero
FCMOVGE	F-P	17.02D	FCMOVE if ≥ zero

A–4Alpha Instruction Set 21264/EV68A Hardware Reference Manual