Re: Calling conventions (particularly 32-bit ARM)

On Tue, 14 Jan 2025 18:19:12 +0000, Thomas Koenig wrote:

Scott Lurndal <scott@slp53.sl.home> schrieb:
>

https://pubs.opengroup.org/onlinepubs/9799919799/functions/sin.html
>
Clearly there are programmers who wish to be able to detect
certain exceptions, and POSIX allows programmers to
select that behavior.

>
Clearly, there is a committee which wanted to be able for people
to detect certain error conditions on a fine-grained level.
One assumes tht they did not consider the consequences.

When the numeric calculation of sin() takes 150 cycles, the over-
head matters little.
When the numeric calculation of sin() takes 15 cycles, the over-
head is more noticeable.