Use float_relation_* constants

Use float_relation_* constants rather than magic numbers in
softfloat-native comparison routines.
Signed-off-by: NNathan Froyd <froydnj@codesourcery.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6025 c046a42c-6fe2-441c-8c8c-71466251a162

fpu/softfloat-native.c

@@ -220,25 +220,25 @@ float32 float32_sqrt( float32 a STATUS_PARAM)
 int float32_compare( float32 a, float32 b STATUS_PARAM )
 {
     if (a < b) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (a > b) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
 {
     if (isless(a, b)) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (isgreater(a, b)) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int float32_is_signaling_nan( float32 a1)
@@ -391,25 +391,25 @@ float64 float64_sqrt( float64 a STATUS_PARAM)
 int float64_compare( float64 a, float64 b STATUS_PARAM )
 {
     if (a < b) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (a > b) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
 {
     if (isless(a, b)) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (isgreater(a, b)) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int float64_is_signaling_nan( float64 a1)
@@ -483,25 +483,25 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM)
 int floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
 {
     if (a < b) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (a > b) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
 {
     if (isless(a, b)) {
-        return -1;
+        return float_relation_less;
     } else if (a == b) {
-        return 0;
+        return float_relation_equal;
     } else if (isgreater(a, b)) {
-        return 1;
+        return float_relation_greater;
     } else {
-        return 2;
+        return float_relation_unordered;
     }
 }
 int floatx80_is_signaling_nan( floatx80 a1)