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authorKito Cheng <kito.cheng@sifive.com>2020-07-30 02:52:22 -0700
committerRichard Henderson <richard.henderson@linaro.org>2020-08-28 10:48:07 -0700
commitdd205025a048ef6f53ff51eb86ddc58e7a82a771 (patch)
treec027b3d72f75750320399b3d90ea3f5bb0aeb2d4 /include
parentea1bb830cb021cca2e361091cf728aaabc8c0654 (diff)
softfloat: Implement the full set of comparisons for float16
Implement them in softfloat and remove the local versions in riscv. Signed-off-by: Kito Cheng <kito.cheng@sifive.com> Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <1596102747-20226-2-git-send-email-chihmin.chao@sifive.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/fpu/softfloat.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 659218b5c7..573fce99bc 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -285,6 +285,47 @@ 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)