add comment explaining why invert isnt done in zeroing test

(already inverted basically)

diff --git a/riscv/insn_template_sv.cc b/riscv/insn_template_sv.cc
index 475c8e542f7f7e78cb34f5ed7dfe6af46958480d..2feaf48b6676e720a2cecec291ac9d296dc4820c 100644 (file)
--- a/riscv/insn_template_sv.cc
+++ b/riscv/insn_template_sv.cc
@@ -46,6 +46,7 @@ reg_t FN(processor_t* p, insn_t s_insn, reg_t pc)
       insn.reset_vloop_check();
       #include INCLUDEFILE
 #if defined(USING_REG_RD) || defined(USING_REG_FRD)
+      // don't check inversion here as dest_pred has already been inverted
       if (zeroing && ((dest_pred & (1<<voffs)) == 0))
       {
           // insn._rd() would be predicated: have to use insn._rd() here