[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2] tcg-i386: Use %gs prefixes for x86_64 GUEST_
|
From: |
Richard Henderson |
|
Subject: |
Re: [Qemu-devel] [PATCH v2] tcg-i386: Use %gs prefixes for x86_64 GUEST_BASE |
|
Date: |
Sun, 21 Oct 2012 16:24:09 +1000 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 |
On 2012-10-21 14:26, Aurelien Jarno wrote:
>> > - if (TCG_TARGET_REG_BITS == 64) {
>> > - /* ??? We assume all operations have left us with register
>> > - contents that are zero extended. So far this appears to
>> > - be true. If we want to enforce this, we can either do
>> > - an explicit zero-extension here, or (if GUEST_BASE == 0)
>> > - use the ADDR32 prefix. For now, do nothing. */
>> > -
> AFAIU this comment is still valid when %gs is/can not be used. Why
> removing it?
>
Merge error. I guess I should retain it.
r~