From: Paolo Bonzini <pbonzini@redhat.com>
Date: Wed, 7 Jan 2015 16:36:27 +0000 (+0100)
Subject: target-i386: fix movntsd on big-endian hosts
X-Git-Tag: qemu-xen-4.6.0-rc1~34^2~24
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8d1fdb16cd92fee24c9d6e7181ae29ac2585c0d1;p=qemu-upstream-4.6-testing.git

target-i386: fix movntsd on big-endian hosts

This was accessing an XMM register's low half without going through XMM_Q.

Cc: qemu-stable@nongnu.org
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 07958082fdf39284935d38a5b8aec1fe7d020637)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---

diff --git a/target-i386/translate.c b/target-i386/translate.c
index 782f7d266..269b88561 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -3069,7 +3069,8 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
                 goto illegal_op;
             gen_lea_modrm(env, s, modrm);
             if (b1 & 1) {
-                gen_stq_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+                gen_stq_env_A0(s, offsetof(CPUX86State,
+                                           xmm_regs[reg].XMM_Q(0)));
             } else {
                 tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
                     xmm_regs[reg].XMM_L(0)));