nt: Friday, June 27, 2025 10:00 PM
To: gcc-patches@gcc.gnu.org
Cc: juzhe.zh...@rivai.ai; kito.ch...@gmail.com; jeffreya...@gmail.com;
rdapp@gmail.com; Chen, Ken ; Liu, Hongtao
; Li, Pan2
Subject: [PATCH v3 0/4] RISC-V: Combine vec_duplicate + vssubu.vv to vssubu.vx
on GR2VR cost
From:
From: Pan Li
This patch would like to introduce the combine of vec_dup + vssubu.vv
into vssubu.vx on the cost value of GR2VR. The late-combine will take
place if the cost of GR2VR is zero, or reject the combine if non-zero
like 1, 2, 15 in test. There will be two cases for the combine:
Case 0: