From: Richard Henderson <richard.henderson@linaro.org>
Date: Mon, 20 Jul 2020 15:30:40 +0000 (-0700)
Subject: target/i386: Save cc_op before loop insns
X-Git-Tag: v5.1.0-rc2~15^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3cb3a7720b01830abd5fbb81819dbb9271bf7821;p=thirdparty%2Fqemu.git

target/i386: Save cc_op before loop insns

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
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200720154028.477457-1-richard.henderson@linaro.org>
---

diff --git a/target/i386/translate.c b/target/i386/translate.c
index a1d31f09c13..caea6f5fb11 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 */