On Thu, Jul 1, 2021 at 3:40 PM Joseph Myers wrote:
>
> On Thu, 1 Jul 2021, H.J. Lu wrote:
>
> > BTW, _Float16 software emulation may require more than just SSE
> > since we need to do _Float16 load and store with XMM registers.
> > There is no 16bit load/store for XMM registers without AVX512FP16.
On Thu, 1 Jul 2021, H.J. Lu wrote:
> BTW, _Float16 software emulation may require more than just SSE
> since we need to do _Float16 load and store with XMM registers.
> There is no 16bit load/store for XMM registers without AVX512FP16.
You should be able to make the move go via general-purpose re
On Thu, Jul 1, 2021 at 3:10 PM Joseph Myers wrote:
>
> On Thu, 1 Jul 2021, H.J. Lu via Gcc-patches wrote:
>
> > 2. Return _Float16 and _Complex _Float16 values in %xmm0/%xmm1 registers.
>
> That restricts use of _Float16 to processors with SSE. Is that what we
> want in the ABI, or should _Float1
On Thu, 1 Jul 2021, H.J. Lu via Gcc-patches wrote:
> 2. Return _Float16 and _Complex _Float16 values in %xmm0/%xmm1 registers.
That restricts use of _Float16 to processors with SSE. Is that what we
want in the ABI, or should _Float16 be available with base 32-bit x86
architecture features only
