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11030a60 · Richard Stallman · c5abcf1d · 11030a60
Commit 11030a60 authored Mar 28, 1992 by Richard Stallman
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gcc/real.h
+6 -1

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--- a/gcc/real.h
+++ b/gcc/real.h
@@ -142,9 +142,14 @@ extern double (atof) ();
 #define REAL_VALUE_ISNAN(x) (target_isnan (x))
 #endif

+/* Determine whether a floating-point value X is negative. */
+#ifndef REAL_VALUE_NEGATIVE
+#define REAL_VALUE_NEGATIVE(x) (target_negative (x))
+#endif
+
 /* Determine whether a floating-point value X is minus 0. */
 #ifndef REAL_VALUE_MINUS_ZERO
-#define REAL_VALUE_MINUS_ZERO(x) (target_minus_zero (x))
+#define REAL_VALUE_MINUS_ZERO(x) ((x) == 0 && REAL_VALUE_NEGATIVE (x))
 #endif

 /* Constant real values 0, 1, 2, and -1.  */