Re: [PATCH] RISC-V: Add more vector-vector extract cases.

Thanks. lgtm. juzhe.zh...@rivai.ai From: Robin Dapp Date: 2024-09-06 17:56 To: gcc-patches CC: pal...@dabbelt.com; kito.ch...@gmail.com; juzhe.zh...@rivai.ai; jeffreya...@gmail.com; pan2...@intel.com; rdapp@gmail.com Subject: [PATCH] RISC-V: Add more vector-vector extract cases. Hi

[PATCH] RISC-V: Add more vector-vector extract cases.

Hi, this adds a V16SI -> V4SI and related i.e. "quartering" vector-vector extract expander for VLS modes. It helps with unnecessary spills in x264. Regtested on rv64gcv_zvfh_zvbb. Regards Robin gcc/ChangeLog: * config/riscv/autovec.md (vec_extract): Add quarter vec-vec extrac