Hi, Robin. Can you give me more details of the comments: What about:
/* As NPATTERNS is always a power of two, we can optimize codegen of VLA const vector according to this feature. */ Is this comment Ok ? You know I am always struggle with adding an English comment or description. Thanks. juzhe.zh...@rivai.ai From: Robin Dapp Date: 2023-06-20 16:03 To: Juzhe-Zhong; gcc-patches CC: rdapp.gcc; kito.cheng; kito.cheng; palmer; palmer; jeffreyalaw Subject: Re: [PATCH] RISC-V: Optimize codegen of VLA SLP > This is a nice improvement. Even though we're in the SLP realm I would > still add an assert that documents that we're indeed operating with > pow2_p (NPATTERNS) and some comment as to why we can use AND. > Sure we're doing exact_log2 et al later anyway, just to make things > clearer. Actually no assert necessary, just a comment like: /* As NPATTERNS is always a power of two, we can ..." */ Regards Robin