From 1e148beb0ec8c5dea742a9318d56a74be6ce6e1f Mon Sep 17 00:00:00 2001
From: Aleksandar Markovic <amarkovic@wavecomp.com>
Date: Thu, 8 Aug 2019 16:30:14 -0400
Subject: [PATCH] target/mips: Correct helper for MSA FCLASS.<W|D> instructions

Correct helper for MSA FCLASS.<W|D> instructions.

Backports commit 698c5752c4e618dc17b4c78dfa566896c7bce5ef from qemu
---
 qemu/target/mips/msa_helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/qemu/target/mips/msa_helper.c b/qemu/target/mips/msa_helper.c
index 60e572d9..03557980 100644
--- a/qemu/target/mips/msa_helper.c
+++ b/qemu/target/mips/msa_helper.c
@@ -4055,9 +4055,11 @@ void helper_msa_fclass_df(CPUMIPSState *env, uint32_t df,
         pwd->w[1] = float_class_s(pws->w[1], status);
         pwd->w[2] = float_class_s(pws->w[2], status);
         pwd->w[3] = float_class_s(pws->w[3], status);
-    } else {
+    } else if (df == DF_DOUBLE) {
         pwd->d[0] = float_class_d(pws->d[0], status);
         pwd->d[1] = float_class_d(pws->d[1], status);
+    } else {
+        assert(0);
     }
 }