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From: Joseph Myers <joseph@codesourcery.com>
To: Andrew Pinski <pinskia@gmail.com>
Cc: Umesh Kalappa <umesh.kalappa0@gmail.com>,
	Nicholas Piggin <npiggin@gmail.com>,
	<linuxppc-dev@lists.ozlabs.org>, <gcc@gcc.gnu.org>,
	<libc-alpha@sourceware.org>,
	Segher Boessenkool <segher@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Paul E Murphy <murphyp@linux.ibm.com>
Subject: Re: Passing the complex args in the GPR's
Date: Tue, 6 Jun 2023 17:18:47 +0000	[thread overview]
Message-ID: <c3e887b3-7c98-22b9-75d8-39edd7631d3@codesourcery.com> (raw)
In-Reply-To: <CA+=Sn1=gt-nf4T3vfWDKQLRNKkuBXh98nLbTtiCGDSPhMxyRiQ@mail.gmail.com>

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

      parent reply	other threads:[~2023-06-06 17:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-24  9:38 [PATCH Linux] powerpc: add documentation for HWCAPs Nicholas Piggin
2022-05-24  9:52 ` Florian Weimer
2022-05-24 18:32   ` Segher Boessenkool
2022-07-15  1:17     ` Nicholas Piggin
2022-07-15 14:35       ` Segher Boessenkool
2022-05-24 17:38 ` Segher Boessenkool
2022-07-15  1:00   ` Nicholas Piggin
2023-06-06 14:49 ` Passing the complex args in the GPR's Umesh Kalappa
2023-06-06 14:58   ` Andrew Pinski
2023-06-06 15:05     ` Umesh Kalappa
2023-06-06 15:16       ` Andrew Pinski
2023-06-06 16:42       ` Segher Boessenkool
2023-06-06 17:07         ` Umesh Kalappa
2023-06-06 17:33           ` David Edelsohn
2023-06-07 13:17           ` Michael Matz
2023-06-06 17:18     ` Joseph Myers [this message]

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