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Re: [Qemu-devel] X86_64 (AMD64) build segfaults
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] X86_64 (AMD64) build segfaults |
Date: |
Sat, 23 Apr 2005 12:33:37 +0100 |
User-agent: |
KMail/1.7.2 |
On Saturday 23 April 2005 10:05, address@hidden wrote:
> does this mean this problem is currently not fixable (and maybe "never" -
> in a considerable amount of time will ?)
Correct. It may be fixable, but there's basically zero interest in fixing it.
Qemu is pretty much the only place where this particular behaviour (a single
ret at the end of the code) is required or even desirable. In fact the
opposite is usually true - you want the fast path to be as short as possible
for better cache locality.
IMHO the way forward long-term is to implement some sort of code generation in
qemu. By this I mean incorporating some sort of compiler backend/optimizing
assembler into qemu, not just writing op.c in assembly. Obviously this is a
large chunk of work.
Paul
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, (continued)
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Paul Brook, 2005/04/21
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Paul Brook, 2005/04/21
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, address@hidden, 2005/04/21
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, address@hidden, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Jonas Maebe, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, address@hidden, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Jonas Maebe, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, address@hidden, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Paul Brook, 2005/04/22
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, address@hidden, 2005/04/23
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults,
Paul Brook <=
- Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Joshua Root, 2005/04/22
Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Jung-uk Kim, 2005/04/22
Re: [Qemu-devel] X86_64 (AMD64) build segfaults, Jung-uk Kim, 2005/04/22