FAIL: gcc.target/i386/sse2-vec-5.c on gcc-4.2 branch

[Uros Bizjak]

On 6/21/07, H. J. Lu <hjl@lucon.org> wrote:

> > Also, the definition of __builtin_ia32_vec_ext_v16qi in the mainline
> > should be enabled only for OPTION_MASK_ISA_SSE4_1, as current
> > definition is also enabled for SSE2:
> >
> >  def_builtin (OPTION_MASK_ISA_SSE2, "__builtin_ia32_vec_ext_v16qi",
> > ftype, IX86_BUILTIN_VEC_EXT_V16QI);
> >
> > I propose that sse2-vec-5.c is removed from the testsuite in gcc-4_2
> > branch and mainline.
>
> __builtin_ia32_vec_ext_v16qi, like many other vector extra builtins,
> is supported by SSE2, but not with single instruction. I don't think
> it should be removed from mainline.

I hardly see the point of having builtin for non-existing insn, but if
this is the case, we should add missing definition to gcc-4.2 (it is a
three-liner patch).

> I will remove sse2-vec-5.c from 4.2 since __builtin_ia32_vec_ext_v16qi
> isn't available there.

No, a better solution is to add missing builtin definition to gcc-4.2.

Uros.