LGTM
juzhe.zh...@rivai.ai
From: Robin Dapp
Date: 2024-03-06 21:44
To: gcc-patches; palmer; Kito Cheng; juzhe.zh...@rivai.ai
CC: rdapp.gcc; jeffreyalaw
Subject: [PATCH] RISC-V: Use vmv1r.v instead of vmv.v.v for fma output reloads
[PR114200].
Hi,
three-operand instructions like vmacc are
Hi,
three-operand instructions like vmacc are modeled with an implicit
output reload when the output does not match one of the operands. For
this we use vmv.v.v which is subject to length masking.
In a situation where the current vl is less than the full vlenb
and the fma's result value is used