Re: [PATCH] Generate vadduqm and vsubuqm for TImode add/subtract

2022-05-13 Thread will schmidt via Gcc-patches
On Fri, 2022-05-13 at 12:19 -0400, Michael Meissner wrote: > Generate vadduqm and vsubuqm for TImode add/subtract > > If the TImode variable is in an Altivec register instead of a GPR > register, then generate vadduqm and vsubuqm instead of having to move the > value to the GPR registers and doing

[PATCH] Generate vadduqm and vsubuqm for TImode add/subtract

2022-05-13 Thread Michael Meissner via Gcc-patches
Generate vadduqm and vsubuqm for TImode add/subtract If the TImode variable is in an Altivec register instead of a GPR register, then generate vadduqm and vsubuqm instead of having to move the value to the GPR registers and doing the add and subtract with carry instructions. To do this, we have t