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Re: [PATCH, rs6000] Fix PR83789: __builtin_altivec_lvx fails for powerpc for altivec-4.c
On 3/20/18 12:27 PM, Peter Bergner wrote:
> On 3/20/18 11:42 AM, Segher Boessenkool wrote:
>> On Mon, Mar 19, 2018 at 09:12:08PM -0500, Peter Bergner wrote:
>>> Looking at mu build dirs insn-modes.h, I don't see HAVE_V8HFmode being
>>> defined on either my LE or BE builds. What am I missing?
>>
>> Nothing, I just was confused (we always define the mode in rs6000-modes.def,
>> but that is not the same thing). Sorry.
>
> Ok then, patch committed with the expander change you requested and
> leaving the HAVE_V8HFmode code as is in the patch. Thanks!
Kaushik confirmed this is broken on GCC 7 as well. Ok to backport
this patch to GCC 7, assuming regtesting is clean?
I'll note that GCC 7 does not need any of the changes to rs6000-p8swap.c,
since that file doesn't exist and doesn't need to exist in GCC 7, so I've
left those changes out.
Peter