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authorAurelien Jarno <aurelien@aurel32.net>2011-05-15 14:09:18 +0200
committerAurelien Jarno <aurelien@aurel32.net>2011-06-03 16:07:53 +0200
commit587eabfafc9dbf80c381bd0d98c000a94f8af60d (patch)
treef022909303d61b5f2895a990924872cbfce6afb5 /fpu
parent66fcf8ffcfb538dda612bfa57d28d502e83ff795 (diff)
downloadqemu-arm-587eabfafc9dbf80c381bd0d98c000a94f8af60d.tar.gz
softfloat: add float*_is_zero_or_denormal()
float*_is_zero_or_denormal() is available for float32, but not for float64, floatx80 and float128. Fix that. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'fpu')
-rw-r--r--fpu/softfloat.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index 8931446fd1..bde250087b 100644
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -449,6 +449,11 @@ INLINE int float64_is_any_nan(float64 a)
return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL);
}
+INLINE int float64_is_zero_or_denormal(float64 a)
+{
+ return (float64_val(a) & 0x7ff0000000000000LL) == 0;
+}
+
INLINE float64 float64_set_sign(float64 a, int sign)
{
return make_float64((float64_val(a) & 0x7fffffffffffffffULL)
@@ -538,6 +543,11 @@ INLINE int floatx80_is_zero(floatx80 a)
return (a.high & 0x7fff) == 0 && a.low == 0;
}
+INLINE int floatx80_is_zero_or_denormal(floatx80 a)
+{
+ return (a.high & 0x7fff) == 0;
+}
+
INLINE int floatx80_is_any_nan(floatx80 a)
{
return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1);
@@ -626,6 +636,11 @@ INLINE int float128_is_zero(float128 a)
return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0;
}
+INLINE int float128_is_zero_or_denormal(float128 a)
+{
+ return (a.high & 0x7fff000000000000LL) == 0;
+}
+
INLINE int float128_is_any_nan(float128 a)
{
return ((a.high >> 48) & 0x7fff) == 0x7fff &&