[Patch] Unnamed vector args passing for ppc linux 32 bit

[Geoff Keating]

"Hartmut Penner" <HPENNER@de.ibm.com> writes:

> Geoff,
>       my understanding is, that for ppc linux 32-bit, unnamed arguments are
> passed via stack.
> This was changed from 3.3 to head by the implementation of
> 'USE_ALTIVEC_FOR_ARG_P'.
> 
>       regards, Hartmut
> 
> Suggested patch:
> 
> ChangeLog:
> 
>       * gcc/config/rs6000/rs6000.h (USE_ALTIVEC_FOR_ARG_P): Don't check for
> SVR4 abi.
> 
> Index: rs6000.c
> ===================================================================
> RCS file: /cvs/gcc/gcc/gcc/config/rs6000/rs6000.c,v
> retrieving revision 1.558
> diff -u -r1.558 rs6000.c
> --- rs6000.c      15 Dec 2003 15:23:11 -0000    1.558
> +++ rs6000.c      16 Dec 2003 12:03:06 -0000
> @@ -3722,7 +3722,7 @@
>    (ALTIVEC_VECTOR_MODE (MODE)                        \
>     && (CUM)->vregno <= ALTIVEC_ARG_MAX_REG           \
>     && TARGET_ALTIVEC_ABI                       \
> -   && (DEFAULT_ABI == ABI_V4 || (NAMED)))
> +   && (NAMED))
> 
>  /* Return a nonzero value to say to return the function value in
>     memory, just as large structures are always returned.  TYPE will be

This is OK, together with the testcase.

-- 
- Geoffrey Keating <geoffk@geoffk.org>