On 1/11/21 3:02 AM, Andreas Krebbel via Gcc-patches wrote:
> The vec-abi-varargs-1.c testcase on IBM Z currently fails.
>
> While adding an SI mode vector to a DI mode vector the first is unpacked
> using:
>
> _28 = BIT_INSERT_EXPR <{ 0, 0, 0, 0 }, _2, 0>;
> _34 = [vec_unpack_lo_expr] _28;
The vec-abi-varargs-1.c testcase on IBM Z currently fails.
While adding an SI mode vector to a DI mode vector the first is unpacked using:
_28 = BIT_INSERT_EXPR <{ 0, 0, 0, 0 }, _2, 0>;
_34 = [vec_unpack_lo_expr] _28;
However, on big endian targets lo refers to the right hand side of the vec
