qemu-devel
[Top][All Lists]
Advanced
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 03/13] target-openrisc: Separate of load/store i

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 03/13] target-openrisc: Separate of load/store instructions
Date: Tue, 29 Oct 2013 14:49:19 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 
On 10/29/2013 02:36 PM, Sebastian Macke wrote:
> 
> The problem is the epcr register in the interrupt routine in which the current
> pc must be saved.

I assume the epcr register is quite predictable based on the insn stream.
One can restore more than just the PC during re-translation.

C.f. the s390 port which also restores CC_OP, and the sparc port which
also restores NPC (next pc).


r~
reply via email to
[Prev in Thread] Current Thread [Next in Thread]