From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] cmovne
Date: Sun, 8 Feb 2015 16:29:46 -0800 [thread overview]
Message-ID: <483c373a6dd50e0cdabb0322ca581fd3@brasstown.quanstro.net> (raw)
In-Reply-To: <CA+db=n1_ZgJPA5C8k8BWszs=ObEU1BDN6+Xh=tPtR5+OuoYwrg@mail.gmail.com>
> No. I just realized you want conditional move from DX to (DI).
>
> It's an illegal combination. The intel document only lists three forms for
> CMOVNE:
> CMOVNE r16, r/m16 // CMOVWNE
> CMOVNE r32, r/m32 // CMOVLNE
> CMOVNE r64, r/m64 // CMOVQNE
>
> All of them are conditionally moving from reg/mem to a register.
> (Also note the description "These instructions can move 16-bit, 32-bit or
> 64-bit values
> from memory to a general-purpose register or from one general-purpose
> register to another.")
d'oh!
ah! thanks. i tripped over intel listing the arguments in the other order.
glad i asked.
- erik
prev parent reply other threads:[~2015-02-09 0:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-08 23:27 erik quanstrom
2015-02-08 23:36 ` Don Bailey
2015-02-08 23:37 ` erik quanstrom
2015-02-09 0:50 ` Don Bailey
2015-02-08 23:43 ` minux
2015-02-08 23:42 ` erik quanstrom
2015-02-09 0:23 ` minux
2015-02-09 0:29 ` erik quanstrom [this message]
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