Re: [PATCH] Vect: Remove restrictions on dotprod signedness

2021-05-07 Thread Richard Biener
On Wed, 5 May 2021, Tamar Christina wrote: > Hi All, > > There's no reason that the sign of the operands of dot-product have to all be > the same. The only restriction really is that the sign of the multiplicands > are the same, however the sign between the multiplier and the accumulator need >

[PATCH] Vect: Remove restrictions on dotprod signedness

2021-05-05 Thread Tamar Christina via Gcc-patches
Hi All, There's no reason that the sign of the operands of dot-product have to all be the same. The only restriction really is that the sign of the multiplicands are the same, however the sign between the multiplier and the accumulator need not be the same. The type of the overall operations sho