linux-kernel - Re: [PATCH] KVM: 'asm' operand has impossible constraints

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 27 Jan 2007 17:36:30 +0100
From:	Paweł Sikora <pluto@...k.net>
To:	linux-kernel@...r.kernel.org
Cc:	Avi Kivity <avi@...ranet.com>, caglar@...dus.org.tr,
	kvm-devel@...ts.sourceforge.net
Subject: Re: [PATCH] KVM: 'asm' operand has impossible constraints

On Saturday 27 of January 2007 10:05:53 Avi Kivity wrote:

> "g" appears to be equivalent to "rmi", if "i" is impossible, gcc is free
> to use "r" or "m", no?

`r'
     A register operand is allowed provided that it is in a general
     register.
`g'
     Any register, memory or immediate integer operand is allowed,
     except for registers that are not general registers.

so, it looks like g == !r for registers ( not general vs. general regs ).
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/