Re: [PATCH v2 2/2] RISC-V: Support zfh and zfhmin extension

2022-08-10 Thread 钟居哲
LGTM. juzhe.zh...@rivai.ai From: Kito Cheng Date: 2022-08-10 23:44 To: gcc-patches; kito.cheng; jim.wilson.gcc; palmer; andrew; juzhe.zhong; joseph CC: Kito Cheng Subject: [PATCH v2 2/2] RISC-V: Support zfh and zfhmin extension Zfh and Zfhmin are extensions for IEEE half precision, both are

[PATCH v2 2/2] RISC-V: Support zfh and zfhmin extension

2022-08-10 Thread Kito Cheng
Zfh and Zfhmin are extensions for IEEE half precision, both are ratified in Jan. 2022[1]: - Zfh has full set of operation like F or D for single or double precision. - Zfhmin has only provide minimal support for half precision operation, like conversion, load, store and move instructions. [1]