On Tue, Sep 29, 2020 at 7:22 PM 夏 晋 wrote:
> vint16m1_t foo3(vint16m1_t a, vint16m1_t b){
> vint16m1_t add = a+b;
> vint16m1_t mul = a*b;
> vsetvl_e8m1(32);
> return add + mul;
> }
Taking another look at your example, you have type confusion. Using
vsetvl to specify an element width of 8
On Tue, Sep 29, 2020 at 11:40 PM Richard Biener
wrote:
> But this also doesn't work on GIMPLE. On GIMPLE riscv_vlen would
> be a barrier for code motion if you make it __attribute__((returns_twice))
> since then abnormal edges distort the CFG in a way preventing such motion.
At the gimple level,
On 2020-09-30 17:58, Joseph Myers wrote:
For some reason http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2529.pdf
doesn't seem to have reached the agenda of a WG14 meeting yet, but adding
a language feature like that to the standard would be another approach.
Hi Joseph,
Yes, that would be
Created a bug report a while back,
also have recently identified the smallest code change necessary to
'turn off' the bug and have updated with that:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96750
If anyone has any input I'd love to see this fixed.
Thanks-
M
On 11/08/2020 12:58 am, Bill Sc
On Wed, Sep 30, 2020 at 10:01 PM Jim Wilson wrote:
>
> On Tue, Sep 29, 2020 at 11:40 PM Richard Biener
> wrote:
> > But this also doesn't work on GIMPLE. On GIMPLE riscv_vlen would
> > be a barrier for code motion if you make it __attribute__((returns_twice))
> > since then abnormal edges distor
