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Re: Assembling span-dependent instructions

From Kaz Kylheku <480-992-1380@kylheku.com>
Newsgroups comp.compilers, comp.arch
Subject Re: Assembling span-dependent instructions
Date 2022-07-27 22:52 +0000
Organization A noiseless patient Spider
Message-ID <22-07-052@comp.compilers> (permalink)
References <22-07-049@comp.compilers>

Cross-posted to 2 groups.

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On 2022-07-27, Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:
> However, one can also construct cases where making the code larger can
> reduce the minimum size of the immediate operand, e.g.:
>
> foo:
>      movl foo+133-bar(%rdi),%eax
> bar:

That's weird; what is accessed this way, relative to the code,
and does it occur in compiler output?

--
TXR Programming Language: http://nongnu.org/txr
Cygnal: Cygwin Native Application Library: http://kylheku.com/cygnal

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Thread

Assembling span-dependent instructions anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2022-07-27 16:32 +0000
  Re: Assembling span-dependent instructions Kaz Kylheku <480-992-1380@kylheku.com> - 2022-07-27 22:52 +0000
    Re: Assembling span-dependent instructions anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2022-07-28 05:56 +0000
    Re: Assembling span-dependent instructions antispam@math.uni.wroc.pl - 2022-07-28 12:15 +0000
      Re: Assembling span-dependent instructions gah4 <gah4@u.washington.edu> - 2022-07-29 14:22 -0700
      Re: Assembling span-dependent instructions Kaz Kylheku <480-992-1380@kylheku.com> - 2022-07-29 22:36 +0000
  RE: Assembling span-dependent instructions Christopher F Clark <christopher.f.clark@compiler-resources.com> - 2022-07-28 16:02 +0300
    RE: Assembling span-dependent instructions anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2022-07-30 09:28 +0000
      RE: Assembling span-dependent instructions Christopher F Clark <christopher.f.clark@compiler-resources.com> - 2022-07-31 02:28 +0300

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