[PING][PATCH] Add vector ABI tests to gnu_vector.exp

[Andreas Arnez <arnez at linux dot vnet dot ibm dot com>]

Ping:

  https://sourceware.org/ml/gdb-patches/2015-05/msg00319.html

On Wed, May 13 2015, Andreas Arnez wrote:

> So far the gnu_vector test was limited to "static" aspects of GDB's
> vector support, like evaluating vector-valued expressions.  This patch
> enriches the test and adds checks for GDB's vector ABI support as well.
> The new checks particularly verify inferior function calls with vector
> arguments and GDB's handling of vector return values.
>
> The test now attempts to compile for the target's "native" architecture,
> such that a hardware vector ABI is used if available.
>
> Since GDB has no vector ABI support for x86 and x86_64 targets, most of
> the new checks are XFAILed there.
>
> gdb/testsuite/ChangeLog:
>
> 	* gdb.base/gnu_vector.c: Include stdarg.h and stdio.h.
> 	(VECTOR): New macro.  Use it...
> 	(int4, uint4, char4, float4, int2, longlong2, float2, double2):
> 	...for these typedefs.
> 	(int8, char1, int1, double1): New typedefs.
> 	(struct just_int2, struct two_int2): New structures.
> 	(add_some_intvecs, add_many_charvecs, add_various_floatvecs,
> 	(add_structvecs, add_singlevecs): New functions.
> 	(main): Call add_some_intvecs twice.
> 	* gdb.base/gnu_vector.exp: Drop GCC version check; just attempt
> 	the compile and exit upon failure.  Try compiling for the "native"
> 	architecture.  Test inferior function calls with vector arguments
> 	and vector return value handling with "finish" and "return".