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Date: Tue, 6 Jun 2023 17:18:47 +0000
From: Joseph Myers <joseph@codesourcery.com>
To: Andrew Pinski <pinskia@gmail.com>
Subject: Re: Passing the complex args in the GPR's
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Cc: gcc@gcc.gnu.org, libc-alpha@sourceware.org, Umesh Kalappa <umesh.kalappa0@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, Paul E Murphy <murphyp@linux.ibm.com>, linuxppc-dev@lists.ozlabs.org
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On Tue, 6 Jun 2023, Andrew Pinski via Gcc wrote:

> You are looking at the wrong ABI document.
> That is for the 64bit ABI.
> The 32bit ABI document is located at:
> http://refspecs.linux-foundation.org/elf/elfspec_ppc.pdf
> 
> Plus the 32bit ABI document does not document Complex argument passing
> as it was written in 1995 and never updated.

For the 32-bit ABI see 
https://www.polyomino.org.uk/publications/2011/Power-Arch-32-bit-ABI-supp-1.0-Unified.pdf 
(sources at https://github.com/ryanarn/powerabi - power.org has long since 
disappeared).

-- 
Joseph S. Myers
joseph@codesourcery.com