floating point environment/exceptions support for mips

2012-10-18 20:19:53 -04:00
parent 97c8bdd88a
commit f321de9e0a
2 changed files with 74 additions and 4 deletions
@@ -1,10 +1,20 @@
-#define FE_ALL_EXCEPT 0
-#define FE_TONEAREST  0
+#define FE_INEXACT    4
+#define FE_UNDERFLOW  8
+#define FE_OVERFLOW   16
+#define FE_DIVBYZERO  32
+#define FE_INVALID    64

-typedef unsigned long fexcept_t;
+#define FE_ALL_EXCEPT 124
+
+#define FE_TONEAREST  0
+#define FE_TOWARDZERO 1
+#define FE_UPWARD     2
+#define FE_DOWNWARD   3
+
+typedef unsigned short fexcept_t;

 typedef struct {
-	unsigned long __cw;
+	unsigned __cw;
 } fenv_t;

 #define FE_DFL_ENV      ((const fenv_t *) -1)