/* Subroutines for long double support.
- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
This file is part of GCC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* HPUX TFmode compare requires a library call to _U_Qfcmp, which takes a
+ magic number as its third argument, that indicates what to do.
+ The return value is an integer to be compared against zero. */
+enum qfcmp_magic {
+ QCMP_INV = 1, /* Raise FP_INVALID on SNaN as a side effect. */
+ QCMP_UNORD = 2,
+ QCMP_EQ = 4,
+ QCMP_LT = 8,
+ QCMP_GT = 16
+} magic;
+
int _U_Qfcmp (long double a, long double b, int);
long _U_Qfcnvfxt_quad_to_sgl (long double);
int _U_Qfge (long double, long double);
int _U_Qflt (long double, long double);
int _U_Qfle (long double, long double);
+int _U_Qfltgt (long double, long double);
+int _U_Qfunle (long double, long double);
+int _U_Qfunlt (long double, long double);
+int _U_Qfunge (long double, long double);
+int _U_Qfungt (long double, long double);
+int _U_Qfuneq (long double, long double);
+int _U_Qfunord (long double, long double);
+int _U_Qford (long double, long double);
+
int _U_Qfcomp (long double, long double);
+
long double _U_Qfneg (long double);
+
#ifdef __LP64__
int __U_Qfcnvfxt_quad_to_sgl (long double);
#endif
int
_U_Qfeq (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 4) != 0);
+ return (_U_Qfcmp (a, b, QCMP_EQ) != 0);
}
int
_U_Qfne (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 4) == 0);
+ return (_U_Qfcmp (a, b, QCMP_EQ) == 0);
}
int
_U_Qfgt (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 17) != 0);
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_GT) != 0);
}
int
_U_Qfge (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 21) != 0);
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_EQ | QCMP_GT) != 0);
}
int
_U_Qflt (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 9) != 0);
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_LT) != 0);
}
int
_U_Qfle (long double a, long double b)
{
- return (_U_Qfcmp (a, b, 13) != 0);
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_EQ | QCMP_LT) != 0);
+}
+
+int
+_U_Qfltgt (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_LT | QCMP_GT) != 0);
+}
+
+int
+_U_Qfunle (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD | QCMP_EQ | QCMP_LT) != 0);
+}
+
+int
+_U_Qfunlt (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD | QCMP_LT) != 0);
+}
+
+int
+_U_Qfunge (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD | QCMP_EQ | QCMP_GT) != 0);
+}
+
+int
+_U_Qfungt (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD | QCMP_GT) != 0);
+}
+
+int
+_U_Qfuneq (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD | QCMP_EQ) != 0);
+}
+
+int
+_U_Qfunord (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_UNORD) != 0);
+}
+
+int
+_U_Qford (long double a, long double b)
+{
+ return (_U_Qfcmp (a, b, QCMP_INV | QCMP_EQ | QCMP_LT | QCMP_GT) != 0);
}
int
_U_Qfcomp (long double a, long double b)
{
- if (_U_Qfcmp (a, b, 4) == 0)
+ if (_U_Qfcmp (a, b, QCMP_EQ) == 0)
return 0;
- return (_U_Qfcmp (a, b, 22) != 0 ? 1 : -1);
+ return (_U_Qfcmp (a, b, QCMP_UNORD | QCMP_EQ | QCMP_GT) != 0 ? 1 : -1);
}
+/* This violates the IEEE standard. It is better to multiply by -1.0L. */
long double
_U_Qfneg (long double a)
{