Re: [PATCH V2] Disable generating load/store vector pairs for block copies.

2022-06-10 Thread Segher Boessenkool
Hi! On Fri, Jun 10, 2022 at 11:27:40AM -0400, Michael Meissner wrote: > Testing has found that using store vector pair for block copies can result > in a slow down on power10. This patch disables using the vector pair > instructions for block copies if we are tuning for power10. Load paired shou

[PATCH V2] Disable generating load/store vector pairs for block copies.

2022-06-10 Thread Michael Meissner via Gcc-patches
[PATCH, V2] Disable generating load/store vector pairs for block copies. Testing has found that using store vector pair for block copies can result in a slow down on power10. This patch disables using the vector pair instructions for block copies if we are tuning for power10. This is version 2