Re: [PATCH 8/8] aarch64: Add -mtune=neoverse-512tvb

2021-08-17 Thread Richard Sandiford via Gcc-patches
Richard Sandiford writes: > This patch adds an option to tune for Neoverse cores that have > a total vector bandwidth of 512 bits (4x128 for Advanced SIMD > and a vector-length-dependent equivalent for SVE). This is intended > to be a compromise between tuning aggressively for a single core like

[PATCH 8/8] aarch64: Add -mtune=neoverse-512tvb

2021-08-03 Thread Richard Sandiford via Gcc-patches
This patch adds an option to tune for Neoverse cores that have a total vector bandwidth of 512 bits (4x128 for Advanced SIMD and a vector-length-dependent equivalent for SVE). This is intended to be a compromise between tuning aggressively for a single core like Neoverse V1 (which can be too narro