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Re: [Tinycc-devel] status of x86-64

From: shinichiro hamaji
Subject: Re: [Tinycc-devel] status of x86-64
Date: Sat, 18 Apr 2009 02:30:32 -0700


On Fri, Apr 17, 2009 at 6:56 AM, pancake <address@hidden> wrote:
> The other missing point in the x86-64 port is the support for asm inlines.
> Are there plans
> to implement it before the release? as far as I can see, all the work should
> be done in
> i386-asm.h where the opcodes are defined and x86-64 opcodes is mostly binary
> compatible with the i386 ones (some of them are >1 byte bigger and there are
> some new
> opcodes like the "syscall" one. But a basic port should be fast do
> implement.

Thanks for the suggestion. If we can forget SSE, I agree that x86-64
port may be not very difficult. Maybe the most difficult part is
operands. We should support REX prefixes and 64bit immediate values.
I'm happy to work on this. However, since I'm busy this month, it may
take for a while.


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