From 903b038e1e4c03445b8018131a105a9109892864 Mon Sep 17 00:00:00 2001
From: Tim Haines <thaines.astro@gmail.com>
Date: Mon, 20 Nov 2023 15:55:37 -0600
Subject: [PATCH] Use st0 as base register for MMX

---
 common/src/registers/MachRegister.C | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/src/registers/MachRegister.C b/common/src/registers/MachRegister.C
index c556cebd8e..e1c0357a04 100644
--- a/common/src/registers/MachRegister.C
+++ b/common/src/registers/MachRegister.C
@@ -39,6 +39,8 @@ namespace Dyninst {
           return MachRegister(reg & 0xfffff0ff);
         else if(category == x86_64::FLAG)
           return x86_64::flags;
+        else if(category == x86_64::MMX)
+          return x86_64::st0;
         else
           return *this;
       case Arch_ppc32: