From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: zhiwei_liu@c-sky.com
Subject: [PATCH] softfloat: Define comparison operations for bfloat16
Date: Fri, 28 Aug 2020 10:53:51 -0700 [thread overview]
Message-ID: <20200828175351.435119-1-richard.henderson@linaro.org> (raw)
These operations were missed in Zhiwei's bfloat16 implementation.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/fpu/softfloat.h | 41 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 1233f98014..78ad5ca738 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -479,6 +479,47 @@ 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
--
2.25.1
next reply other threads:[~2020-08-28 17:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-28 17:53 Richard Henderson [this message]
2020-08-29 15:05 ` [PATCH] softfloat: Define comparison operations for bfloat16 LIU Zhiwei
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