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authorRichard Henderson <richard.henderson@linaro.org>2018-05-10 14:48:17 -0700
committerRichard Henderson <richard.henderson@linaro.org>2018-05-17 15:27:15 -0700
commit03385dfdaaa2dc31bbd07d13244a6b037bfab4cc (patch)
tree77e87ee1eec1c3e5e6b2824ad2f6ce485a574a6f /include/fpu
parent5240a30dcc6ca85dc9352f351e2cc326402288ed (diff)
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fpu/softfloat: Specialize on snan_bit_is_one
Only MIPS requires snan_bit_is_one to be variable. While we are specializing softfloat behaviour, allow other targets to eliminate this runtime check. Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Yongbok Kim <yongbok.kim@mips.com> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: Alexander Graf <agraf@suse.de> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/fpu')
-rw-r--r--include/fpu/softfloat-types.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h
index 4e378cb..2aae6a8 100644
--- a/include/fpu/softfloat-types.h
+++ b/include/fpu/softfloat-types.h
@@ -173,6 +173,7 @@ typedef struct float_status {
/* should denormalised inputs go to zero and set the input_denormal flag? */
flag flush_inputs_to_zero;
flag default_nan_mode;
+ /* not always used -- see snan_bit_is_one() in softfloat-specialize.h */
flag snan_bit_is_one;
} float_status;