subject:"\[PATCH V2\] RISC\-V\: Remove earlyclobber for wx\/wf instructions."

Re: [PATCH V2] RISC-V: Remove earlyclobber for wx/wf instructions.

2023-11-30 Thread Robin Dapp

OK. Regards Robin

[PATCH V2] RISC-V: Remove earlyclobber for wx/wf instructions.

2023-11-30 Thread Juzhe-Zhong

While working on overlap for widening instructions, I realize that we set vwadd.wx/vfwadd.wf as earlyclobber which is incorrect. Since according to RVV ISA: "The destination EEW equals the source EEW." vwadd.vx widens the first source operand (i.e. 2 * source EEW = dest EEW) while vwadd.wx only w