From 0b9dc5e4c3b96a1e41ab7d660ba2ee2a83380e09 Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 21 Feb 2005 20:23:59 +0000
Subject: loop insn fix for non x86 hosts

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1305 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-i386/op.c           | 5 +++++
 target-i386/ops_template.h | 8 ++------
 target-i386/translate.c    | 2 ++
 3 files changed, 9 insertions(+), 6 deletions(-)

(limited to 'target-i386')

diff --git a/target-i386/op.c b/target-i386/op.c
index 933595da65..fed0fca93c 100644
--- a/target-i386/op.c
+++ b/target-i386/op.c
@@ -1366,6 +1366,11 @@ void OPPROTO op_set_cc_op(void)
     CC_OP = PARAM1;
 }
 
+void OPPROTO op_mov_T0_cc(void)
+{
+    T0 = cc_table[CC_OP].compute_all();
+}
+
 /* XXX: clear VIF/VIP in all ops ? */
 
 void OPPROTO op_movl_eflags_T0(void)
diff --git a/target-i386/ops_template.h b/target-i386/ops_template.h
index 35d5b54121..373b77a245 100644
--- a/target-i386/ops_template.h
+++ b/target-i386/ops_template.h
@@ -339,18 +339,14 @@ void OPPROTO glue(op_jle_sub, SUFFIX)(void)
 
 void OPPROTO glue(op_loopnz, SUFFIX)(void)
 {
-    int eflags;
-    eflags = cc_table[CC_OP].compute_all();
-    if ((DATA_TYPE)ECX != 0 && !(eflags & CC_Z))
+    if ((DATA_TYPE)ECX != 0 && !(T0 & CC_Z))
         GOTO_LABEL_PARAM(1);
     FORCE_RET();
 }
 
 void OPPROTO glue(op_loopz, SUFFIX)(void)
 {
-    int eflags;
-    eflags = cc_table[CC_OP].compute_all();
-    if ((DATA_TYPE)ECX != 0 && (eflags & CC_Z))
+    if ((DATA_TYPE)ECX != 0 && (T0 & CC_Z))
         GOTO_LABEL_PARAM(1);
     FORCE_RET();
 }
diff --git a/target-i386/translate.c b/target-i386/translate.c
index a3005d8d53..093723944c 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -5271,6 +5271,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
                 gen_op_jz_ecx[s->aflag](l1);
             } else {
                 gen_op_dec_ECX[s->aflag]();
+                if (b <= 1)
+                    gen_op_mov_T0_cc();
                 gen_op_loop[s->aflag][b](l1);
             }
 
-- 
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