Changeset 20dccf3 in mainline

Timestamp:

2012-08-17T10:50:43Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7feb86e6, bdf3c0c

Parents:

568693b

Message:

implement basic ARM EABI floating point routines

Location:

uspace/lib/softfloat

Files:

• generic/softfloat.c (modified) (1 diff)
• include/softfloat.h (modified) (2 diffs)

uspace/lib/softfloat/generic/softfloat.c

@@ -1267 +1267 @@
 }
 
+double __aeabi_i2d(int i)
+{
+        return __floatsidf(i);
+}
+
+double __aeabi_ui2d(unsigned int i)
+{
+        return __floatunsidf(i);
+}
+
+int __aeabi_d2iz(double a)
+{
+        return __fixdfsi(a);
+}
+
+unsigned int __aeabi_d2uiz(double a)
+{
+        return __fixunsdfsi(a);
+}
+
+int __aeabi_dcmpge(double a, double b)
+{
+        return __gedf2(a, b);
+}
+
+int __aeabi_dcmpgt(double a, double b)
+{
+        return __gtdf2(a, b);
+}
+
+int __aeabi_dcmplt(double a, double b)
+{
+        return __ltdf2(a, b);
+}
+
+double __aeabi_dadd(double a, double b)
+{
+        return __adddf3(a, b);
+}
+
+double __aeabi_dsub(double a, double b)
+{
+        return __subdf3(a, b);
+}
+
+double __aeabi_dmul(double a, double b)
+{
+        return __muldf3(a, b);
+}
+
+double __aeabi_ddiv(double a, double b)
+{
+        return __divdf3(a, b);
+}
+
 /** @}
  */

uspace/lib/softfloat/include/softfloat.h

@@ -173 +173 @@
 
 /* SPARC quadruple-precision wrappers */
-
 extern void _Qp_add(long double *, long double *, long double *);
 extern void _Qp_sub(long double *, long double *, long double *);
@@ -204 +203 @@
 extern int _Qp_fne(long double *, long double *);
 
+/* ARM EABI */
+extern double __aeabi_i2d(int);
+extern double __aeabi_ui2d(unsigned int);
+extern unsigned int __aeabi_d2uiz(double);
+extern int __aeabi_d2iz(double);
+
+extern int __aeabi_dcmpge(double, double);
+extern int __aeabi_dcmpgt(double, double);
+extern int __aeabi_dcmplt(double, double);
+
+extern double __aeabi_dadd(double, double);
+extern double __aeabi_dsub(double, double);
+extern double __aeabi_dmul(double, double);
+extern double __aeabi_ddiv(double, double);
+
 /* Not implemented yet */
 extern void _Qp_sqrt(long double *, long double *);