From 3a40b9f3a3741de127997263ee3821d0b29d4b48 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Thu, 9 Nov 2023 10:56:20 +0100
Subject: More accurate 0F BA opcodes on 64bits without rex.w

---
 src/emu/x64run0f.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index e8a047f2..36482ca3 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -1139,6 +1139,8 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step)
                             ED->dword[0] ^= (1<<tmp8u);
                             CLEAR_FLAG(F_CF);
                         }
+                        if(MODREG)
+                            ED->dword[1] = 0;
                     }
                     break;
                 case 6:             /* BTR Ed, Ib */
@@ -1159,6 +1161,8 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step)
                             ED->dword[0] ^= (1<<tmp8u);
                         } else
                             CLEAR_FLAG(F_CF);
+                        if(MODREG)
+                            ED->dword[1] = 0;
                     }
                     break;
                 case 7:             /* BTC Ed, Ib */
@@ -1179,6 +1183,8 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step)
                         else
                             CLEAR_FLAG(F_CF);
                         ED->dword[0] ^= (1<<tmp8u);
+                        if(MODREG)
+                            ED->dword[1] = 0;
                     }
                     break;
 
-- 
cgit 1.4.1