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Fwd: Updates to x86-Interix config files
- From: Danny Smith <danny_r_smith_2001 at yahoo dot co dot nz>
- To: cygwin-apps at cygwin dot com, mingw-dvlpr at lists dot sourceforge dot net
- Date: Sat, 13 Apr 2002 06:49:46 +1000 (EST)
- Subject: Fwd: Updates to x86-Interix config files
I think that this (return 8 byte structures in registers) should also go in
mingw32.h config file for GCC. I'm not sure about cygwin.h ldiv() returns
an 8-byte structure. I can't think of any others, but if we're serious
about compatability with MS object files, this would seema good thing.
Danny
--- Richard Kenner <kenner@vlsi1.ultra.nyu.edu> wrote: > Date: Fri, 12 Apr
02 15:46:22 EDT
> From: kenner@vlsi1.ultra.nyu.edu (Richard Kenner)
> To: gcc-patches@gcc.gnu.org
> Subject: Updates to x86-Interix config files
>
> I applied these to the 3.1 branch and the trunk.
>
> 2002-04-12 Douglas B Rupp <rupp@gnat.com>
>
> * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
> (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
> (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
> * config/i386/t-interix (USER_H): Remove.
<snip>
>
> *** config/i386/i386-interix.h 16 Dec 2001 15:43:40 -0000 1.23
> --- config/i386/i386-interix.h 12 Apr 2002 19:41:42 -0000
> *** 422,423 ****
> --- 423,432 ----
> #define NO_IMPLICIT_EXTERN_C
>
> + /* MSVC returns structs of up to 8 bytes via registers. */
> +
> + #define DEFAULT_PCC_STRUCT_RETURN 0
> +
> + #undef RETURN_IN_MEMORY
> + #define RETURN_IN_MEMORY(TYPE) \
> + (TYPE_MODE (TYPE) == BLKmode || \
> + (AGGREGATE_TYPE_P (TYPE) && int_size_in_bytes(TYPE) > 8 ))
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