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[bug#70398] [PATCH 5/5] packages: Reduce code bloat due to list allocati


From: Simon Tournier
Subject: [bug#70398] [PATCH 5/5] packages: Reduce code bloat due to list allocation in input fields.
Date: Mon, 22 Apr 2024 02:15:48 +0200

Hi,

On lun., 15 avril 2024 at 22:31, Ludovic Courtès <ludo@gnu.org> wrote:

>> I am not sure to understand: « (list ...) is open-coded, which can lead
>> to a long list of instructions. ».
>
> This:
>
> --8<---------------cut here---------------start------------->8---
> scheme@(guile-user)> ,c (lambda () (list 1 2 3 4))
>
> [...]
>
>    8    (allocate-words/immediate 0 2)  
>    9    (scm-set!/immediate 0 0 2)      
>   10    (scm-set!/immediate 0 1 1)      
>   11    (allocate-words/immediate 2 2)  
>   12    (scm-set!/immediate 2 0 3)      
>   13    (scm-set!/immediate 2 1 0)      
>   14    (allocate-words/immediate 3 2)  
>   15    (scm-set!/immediate 3 0 4)      
>   16    (scm-set!/immediate 3 1 2)      
>   17    (allocate-words/immediate 4 2)  
>   18    (scm-set!/immediate 4 0 5)      
>   19    (scm-set!/immediate 4 1 3)      
> --8<---------------cut here---------------end--------------->8---
>
>> Well, irrelevant for .go size but why not something like:
>>
>>     ((_ (list args . rest))
>>       (apply add-inputs-labels (append args rest)))
>
> That’s more code and I’m really trying hard to minimize generated code.
> :-)

Thanks for explaining. :-)  Yeah that’s make sense.

Cheers,
simon





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