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Date: Tue, 30 Jul 2013 02:05:06 +0200
From: Katja Malvoni <>
Subject: Re: Parallella: bcrypt

On Tue, Jul 30, 2013 at 1:56 AM, Solar Designer <> wrote:

> I think you've made the task slightly more complicated for yourself (and
> for future contributors to this code, if any) by keeping this source
> file in pure asm (with macros, though) rather than using the C
> preprocessor along with asm (as I had suggested).  Note that if you
> change the filename from parallella_bf_encrypt2.s to
> parallella_bf_encrypt2.S (with uppercase "S") you'd be able to use cpp
> macros, including e.g. to #define human-friendly names for registers
> (and #undef and re- #define them when you reuse the registers).  "gcc"
> and I expect "e-gcc" too automatically invokes the C preprocessor on .S
> files and then passes the preprocessor output to the assembler.

Oh, I started with C preprocessor with asm but I didn't know that uppercase
S will solve all the errors I was getting. So after few failed attempts I
concluded that it'll take me less to write whole function in assembly.


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