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[PATCH for-5.1?] target/i386: Save cc_op before loop insns


From: Richard Henderson
Subject: [PATCH for-5.1?] target/i386: Save cc_op before loop insns
Date: Mon, 20 Jul 2020 08:40:28 -0700

We forgot to update cc_op before these branch insns,
which lead to losing track of the current eflags.

Buglink: https://bugs.launchpad.net/qemu/+bug/1888165
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/translate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/i386/translate.c b/target/i386/translate.c
index a1d31f09c1..caea6f5fb1 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -7148,6 +7148,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState 
*cpu)
             l1 = gen_new_label();
             l2 = gen_new_label();
             l3 = gen_new_label();
+            gen_update_cc_op(s);
             b &= 3;
             switch(b) {
             case 0: /* loopnz */
-- 
2.25.1




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