patch-2.4.22 linux-2.4.22/arch/arm/nwfpe/softfloat.h

Next file: linux-2.4.22/arch/arm/tools/mach-types
Previous file: linux-2.4.22/arch/arm/nwfpe/softfloat.c
Back to the patch index
Back to the overall index

diff -urN linux-2.4.21/arch/arm/nwfpe/softfloat.h linux-2.4.22/arch/arm/nwfpe/softfloat.h
@@ -40,7 +40,9 @@
 input or output the `floatx80' type will be defined.
 -------------------------------------------------------------------------------
 */
+#ifdef CONFIG_FPE_NWFPE_XP
 #define FLOATX80
+#endif
 
 /*
 -------------------------------------------------------------------------------
@@ -229,4 +231,46 @@
 
 #endif
 
+static inline flag extractFloat32Sign(float32 a)
+{
+	return a >> 31;
+}
+
+static inline flag float32_eq_nocheck(float32 a, float32 b)
+{
+	return (a == b) || ((bits32) ((a | b) << 1) == 0);
+}
+
+static inline flag float32_lt_nocheck(float32 a, float32 b)
+{
+	flag aSign, bSign;
+
+	aSign = extractFloat32Sign(a);
+	bSign = extractFloat32Sign(b);
+	if (aSign != bSign)
+		return aSign && ((bits32) ((a | b) << 1) != 0);
+	return (a != b) && (aSign ^ (a < b));
+}
+
+static inline flag extractFloat64Sign(float64 a)
+{
+	return a >> 63;
+}
+
+static inline flag float64_eq_nocheck(float64 a, float64 b)
+{
+	return (a == b) || ((bits64) ((a | b) << 1) == 0);
+}
+
+static inline flag float64_lt_nocheck(float64 a, float64 b)
+{
+	flag aSign, bSign;
+
+	aSign = extractFloat64Sign(a);
+	bSign = extractFloat64Sign(b);
+	if (aSign != bSign)
+		return aSign && ((bits64) ((a | b) << 1) != 0);
+	return (a != b) && (aSign ^ (a < b));
+}
+
 #endif

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)