From 35e9165962af3a179ba6f6684338acaf32a0159f Mon Sep 17 00:00:00 2001
From: Denis Drakhnia <numas13@gmail.com>
Date: Tue, 2 Jan 2024 21:03:41 +0200
Subject: [PATCH] e2k: do not modify registers for setwd

---
 target/e2k/helper.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/target/e2k/helper.c b/target/e2k/helper.c
index 3d05592355..ed502eaf38 100644
--- a/target/e2k/helper.c
+++ b/target/e2k/helper.c
@@ -323,24 +323,10 @@ void HELPER(raise_exception)(CPUE2KState *env, int exception_index)
 
 void HELPER(setwd)(CPUE2KState *env, int size, int nfx, int dbl)
 {
-    int diff;
-
-    diff = size - env->wd.size;
-
     if (size < env->wd.psize) {
         raise_exception(env, E2K_EXCP_ILLEGAL_OPCODE);
     }
 
-    if (diff > 0) {
-// FIXME: zeroing registers is not needed, but useful for debugging
-#if 0
-        memset(&env->regs[env->wd.size], 0, diff * sizeof(env->regs[0]));
-#endif
-        if (env->enable_tags) {
-            memset(&env->tags[env->wd.size], E2K_TAG_NON_NUMBER128, diff);
-        }
-    }
-
     env->wd.size = size;
     env->wd.fx = nfx == 0;
     env->wdbl = dbl;