Re: DEFAULT_PCC_STRUCT_RETURN on NetBSD vs Linux

Andreas Schwab <[email protected]> Wed, 28 May 2025 18:10:14 +0200

Newsgroups	gmane.comp.gcc.patches,gmane.linux.debian.ports.68k,gmane.os.netbsd.ports.m68k
Message-ID	<[email protected]>

On Mai 28 2025, John Paul Adrian Glaubitz wrote:

> Shouldn't the #undef in linux.h undefine DEFAULT_PCC_STRUCT_RETURN and not
> PCC_STATIC_STRUCT_RETURN?

No, they are separate target options.  PCC_STATIC_STRUCT_RETURN is no
longer defined by default, so this is redundant now.

> And, secondly, shouldn't the comment in linux.h be corrected since
> apparently linux.h and netbsd-elf.h disagree on what the SVR4 ABI
> specifies how structs and unions are returned?

This is controlled by TARGET_RETURN_IN_MEMORY if
DEFAULT_PCC_STRUCT_RETURN is 0.

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Andreas Schwab, [email protected]
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