From 76d123efee6140b7906b474bf9cabef13421c2cb Mon Sep 17 00:00:00 2001
From: Kito Cheng <kito.cheng@sifive.com>
Date: Fri, 26 Feb 2021 15:04:04 -0500
Subject: [PATCH] softfloat: Implement the full set of comparisons for float16

Backports dd205025a048ef6f53ff51eb86ddc58e7a82a771
---
 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 1f6b1a43..b08ee5e9 100644
--- a/qemu/include/fpu/softfloat.h
+++ b/qemu/include/fpu/softfloat.h
@@ -288,6 +288,47 @@ static inline float16 float16_set_sign(float16 a, int sign)
     return make_float16((float16_val(a) & 0x7fff) | (sign << 15));
 }
 
+static inline bool float16_eq(float16 a, float16 b, float_status *s)
+{
+    return float16_compare(a, b, s) == float_relation_equal;
+}
+
+static inline bool float16_le(float16 a, float16 b, float_status *s)
+{
+    return float16_compare(a, b, s) <= float_relation_equal;
+}
+
+static inline bool float16_lt(float16 a, float16 b, float_status *s)
+{
+    return float16_compare(a, b, s) < float_relation_equal;
+}
+
+static inline bool float16_unordered(float16 a, float16 b, float_status *s)
+{
+    return float16_compare(a, b, s) == float_relation_unordered;
+}
+
+static inline bool float16_eq_quiet(float16 a, float16 b, float_status *s)
+{
+    return float16_compare_quiet(a, b, s) == float_relation_equal;
+}
+
+static inline bool float16_le_quiet(float16 a, float16 b, float_status *s)
+{
+    return float16_compare_quiet(a, b, s) <= float_relation_equal;
+}
+
+static inline bool float16_lt_quiet(float16 a, float16 b, float_status *s)
+{
+    return float16_compare_quiet(a, b, s) < float_relation_equal;
+}
+
+static inline bool float16_unordered_quiet(float16 a, float16 b,
+                                           float_status *s)
+{
+    return float16_compare_quiet(a, b, s) == float_relation_unordered;
+}
+
 #define float16_zero make_float16(0)
 #define float16_half make_float16(0x3800)
 #define float16_one make_float16(0x3c00)