From ad78fc2df577252d46829094fe88da993dd23156 Mon Sep 17 00:00:00 2001
From: LIU Zhiwei <zhiwei_liu@c-sky.com>
Date: Sat, 27 Feb 2021 16:43:05 -0500
Subject: [PATCH] softfloat: Define comparison operations for bfloat16

Backports c53b1079334c41b342a8ad3b7ccfd51bf5427f5
---
 qemu/include/fpu/softfloat.h | 41 ++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/qemu/include/fpu/softfloat.h b/qemu/include/fpu/softfloat.h
index 552d102f..a953f791 100644
--- a/qemu/include/fpu/softfloat.h
+++ b/qemu/include/fpu/softfloat.h
@@ -482,6 +482,47 @@ static inline bfloat16 bfloat16_set_sign(bfloat16 a, int sign)
     return (a & 0x7fff) | (sign << 15);
 }
 
+static inline bool bfloat16_eq(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare(a, b, s) == float_relation_equal;
+}
+
+static inline bool bfloat16_le(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare(a, b, s) <= float_relation_equal;
+}
+
+static inline bool bfloat16_lt(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare(a, b, s) < float_relation_equal;
+}
+
+static inline bool bfloat16_unordered(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare(a, b, s) == float_relation_unordered;
+}
+
+static inline bool bfloat16_eq_quiet(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare_quiet(a, b, s) == float_relation_equal;
+}
+
+static inline bool bfloat16_le_quiet(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare_quiet(a, b, s) <= float_relation_equal;
+}
+
+static inline bool bfloat16_lt_quiet(bfloat16 a, bfloat16 b, float_status *s)
+{
+    return bfloat16_compare_quiet(a, b, s) < float_relation_equal;
+}
+
+static inline bool bfloat16_unordered_quiet(bfloat16 a, bfloat16 b,
+                                           float_status *s)
+{
+    return bfloat16_compare_quiet(a, b, s) == float_relation_unordered;
+}
+
 #define bfloat16_zero 0
 #define bfloat16_half 0x3f00
 #define bfloat16_one 0x3f80