From dad52800dd7f1945f862df7ebf4be70517ac7ace Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 1 Oct 2018 15:08:25 +0100
Subject: [PATCH] add comment explaining use of insn._rd() in zeroing

---
 riscv/insn_template_sv.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/riscv/insn_template_sv.cc b/riscv/insn_template_sv.cc
index 5da73bb..475c8e5 100644
--- a/riscv/insn_template_sv.cc
+++ b/riscv/insn_template_sv.cc
@@ -48,6 +48,7 @@ reg_t FN(processor_t* p, insn_t s_insn, reg_t pc)
 #if defined(USING_REG_RD) || defined(USING_REG_FRD)
       if (zeroing && ((dest_pred & (1<<voffs)) == 0))
       {
+          // insn._rd() would be predicated: have to use insn._rd() here
           WRITE_REG(insn._rd(), 0);
       }
 #endif
-- 
2.30.2