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-rw-r--r--sysdeps/m68k/Makefile5
-rw-r--r--sysdeps/m68k/fpu/__math.h237
-rw-r--r--sysdeps/m68k/fpu/e_atan2.c36
-rw-r--r--sysdeps/m68k/fpu/e_pow.c38
-rw-r--r--sysdeps/m68k/fpu/s_cexp.c92
-rw-r--r--sysdeps/m68k/fpu/s_cexpf.c4
-rw-r--r--sysdeps/m68k/fpu/s_cexpl.c4
-rw-r--r--sysdeps/m68k/fpu/s_modf.c29
-rw-r--r--sysdeps/m68k/fpu/s_modff.c2
-rw-r--r--sysdeps/m68k/fpu/s_modfl.c2
-rw-r--r--sysdeps/m68k/fpu/s_nearbyint.c2
-rw-r--r--sysdeps/m68k/fpu/s_nearbyintf.c2
-rw-r--r--sysdeps/m68k/fpu/s_nearbyintl.c2
-rw-r--r--sysdeps/m68k/fpu/s_trunc.c2
-rw-r--r--sysdeps/m68k/fpu/s_truncf.c2
-rw-r--r--sysdeps/m68k/fpu/s_truncl.c2
16 files changed, 306 insertions, 155 deletions
diff --git a/sysdeps/m68k/Makefile b/sysdeps/m68k/Makefile
index fc79d36804..0f811bc62e 100644
--- a/sysdeps/m68k/Makefile
+++ b/sysdeps/m68k/Makefile
@@ -34,3 +34,8 @@ long-double-fcts = yes
 ifeq ($(subdir),elf)
 CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused
 endif
+
+ifeq ($(subdir),math)
+# Avoid a bug in gcc
+CFLAGS-s_copysignl.c += -mnobitfield
+endif
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index d6187015ea..9b52b32d0c 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -89,6 +89,7 @@ __inline_mathop(__significand, getman)
 
 __inline_mathop(__log2, log2)
 __inline_mathop(__exp2, twotox)
+__inline_mathop(__trunc, intrz)
 
 #if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
 
@@ -111,6 +112,7 @@ __inline_mathop(significand, getman)
 #ifdef __USE_ISOC9X
 __inline_mathop(log2, log2)
 __inline_mathop(exp2, twotox)
+__inline_mathop(trunc, intrz)
 #endif
 
 #endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
@@ -155,108 +157,123 @@ __internal_inline_functions (long double,l)
 
 /* The rest of the functions are available to the user.  */
 
-#define __inline_functions(float_type, s)				     \
-__m81_inline float_type							     \
-__m81_u(__CONCAT(__frexp,s))(float_type __value, int *__expptr)		     \
-{									     \
-  float_type __mantissa, __exponent;					     \
-  int __iexponent;							     \
-  if (__value == 0.0)							     \
-    {									     \
-      *__expptr = 0;							     \
-      return __value;							     \
-    }									     \
-  __asm("fgetexp%.x %1, %0" : "=f" (__exponent) : "f" (__value));	     \
-  __iexponent = (int) __exponent + 1;					     \
-  *__expptr = __iexponent;						     \
-  __asm("fscale%.l %2, %0" : "=f" (__mantissa)				     \
-	: "0" (__value), "dmi" (-__iexponent));				     \
-  return __mantissa;							     \
-}									     \
-									     \
-__m81_defun (float_type, __CONCAT(__floor,s), (float_type __x))		     \
-{									     \
-  float_type __result;							     \
-  unsigned long int __ctrl_reg;						     \
-  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));		     \
-  /* Set rounding towards negative infinity.  */			     \
-  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		     \
-		      : "dmi" ((__ctrl_reg & ~0x10) | 0x20));		     \
-  /* Convert X to an integer, using -Inf rounding.  */			     \
-  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));	     \
-  /* Restore the previous rounding mode.  */				     \
-  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		     \
-		      : "dmi" (__ctrl_reg));				     \
-  return __result;							     \
-}									     \
-									     \
-__m81_defun (float_type, __CONCAT(__ceil,s), (float_type __x))		     \
-{									     \
-  float_type __result;							     \
-  unsigned long int __ctrl_reg;						     \
-  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));		     \
-  /* Set rounding towards positive infinity.  */			     \
-  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		     \
-		      : "dmi" (__ctrl_reg | 0x30));			     \
-  /* Convert X to an integer, using +Inf rounding.  */			     \
-  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));	     \
-  /* Restore the previous rounding mode.  */				     \
-  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		     \
-		      : "dmi" (__ctrl_reg));				     \
-  return __result;							     \
-}									     \
-									     \
-__m81_inline float_type							     \
-__m81_u(__CONCAT(__modf,s))(float_type __value, float_type *__iptr)	     \
-{									     \
-  float_type __modf_int;						     \
-  __asm ("fintrz%.x %1, %0" : "=f" (__modf_int) : "f" (__value));	     \
-  *__iptr = __modf_int;							     \
-  return __value - __modf_int;						     \
-}									     \
-									     \
-__m81_defun (int, __CONCAT(__isinf,s), (float_type __value))		     \
-{									     \
-  /* There is no branch-condition for infinity,				     \
-     so we must extract and examine the condition codes manually.  */	     \
-  unsigned long int __fpsr;						     \
-  __asm("ftst%.x %1\n"							     \
-	"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	     \
-  return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0;	     \
-}									     \
-									     \
-__m81_defun (int, __CONCAT(__isnan,s), (float_type __value))		     \
-{									     \
-  char __result;							     \
-  __asm("ftst%.x %1\n"							     \
-	"fsun %0" : "=dm" (__result) : "f" (__value));			     \
-  return __result;							     \
-}									     \
-									     \
-__m81_defun (int, __CONCAT(__finite,s), (float_type __value))		     \
-{									     \
-  /* There is no branch-condition for infinity, so we must extract and	     \
-     examine the condition codes manually.  */				     \
-  unsigned long int __fpsr;						     \
-  __asm ("ftst%.x %1\n"							     \
-	 "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	     \
-  return (__fpsr & (3 << 24)) == 0;					     \
-}									     \
-									     \
-__m81_defun (int, __CONCAT(__ilogb,s), (float_type __x))		     \
-{									     \
-  float_type __result;							     \
-  if (__x == 0.0)							     \
-    return 0x80000001;							     \
-  __asm("fgetexp%.x %1, %0" : "=f" (__result) : "f" (__x));		     \
-  return (int) __result;						     \
-}									     \
-									     \
-__m81_defun (float_type, __CONCAT(__scalbn,s), (float_type __x, int __n))    \
-{									     \
-  float_type __result;							     \
-  __asm ("fscale%.l %1, %0" : "=f" (__result) : "dmi" (__n), "0" (__x));     \
-  return __result;							     \
+#define __inline_functions(float_type, s)				  \
+__m81_inline float_type							  \
+__m81_u(__CONCAT(__frexp,s))(float_type __value, int *__expptr)		  \
+{									  \
+  float_type __mantissa, __exponent;					  \
+  int __iexponent;							  \
+  if (__value == 0.0)							  \
+    {									  \
+      *__expptr = 0;							  \
+      return __value;							  \
+    }									  \
+  __asm("fgetexp%.x %1, %0" : "=f" (__exponent) : "f" (__value));	  \
+  __iexponent = (int) __exponent + 1;					  \
+  *__expptr = __iexponent;						  \
+  __asm("fscale%.l %2, %0" : "=f" (__mantissa)				  \
+	: "0" (__value), "dmi" (-__iexponent));				  \
+  return __mantissa;							  \
+}									  \
+									  \
+__m81_defun (float_type, __CONCAT(__floor,s), (float_type __x))		  \
+{									  \
+  float_type __result;							  \
+  unsigned long int __ctrl_reg;						  \
+  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));		  \
+  /* Set rounding towards negative infinity.  */			  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" ((__ctrl_reg & ~0x10) | 0x20));		  \
+  /* Convert X to an integer, using -Inf rounding.  */			  \
+  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));	  \
+  /* Restore the previous rounding mode.  */				  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" (__ctrl_reg));				  \
+  return __result;							  \
+}									  \
+									  \
+__m81_defun (float_type, __CONCAT(__ceil,s), (float_type __x))		  \
+{									  \
+  float_type __result;							  \
+  unsigned long int __ctrl_reg;						  \
+  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));		  \
+  /* Set rounding towards positive infinity.  */			  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" (__ctrl_reg | 0x30));			  \
+  /* Convert X to an integer, using +Inf rounding.  */			  \
+  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));	  \
+  /* Restore the previous rounding mode.  */				  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" (__ctrl_reg));				  \
+  return __result;							  \
+}									  \
+									  \
+__m81_defun (int, __CONCAT(__isinf,s), (float_type __value))		  \
+{									  \
+  /* There is no branch-condition for infinity,				  \
+     so we must extract and examine the condition codes manually.  */	  \
+  unsigned long int __fpsr;						  \
+  __asm("ftst%.x %1\n"							  \
+	"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	  \
+  return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0;	  \
+}									  \
+									  \
+__m81_defun (int, __CONCAT(__isnan,s), (float_type __value))		  \
+{									  \
+  char __result;							  \
+  __asm("ftst%.x %1\n"							  \
+	"fsun %0" : "=dm" (__result) : "f" (__value));			  \
+  return __result;							  \
+}									  \
+									  \
+__m81_defun (int, __CONCAT(__finite,s), (float_type __value))		  \
+{									  \
+  /* There is no branch-condition for infinity, so we must extract and	  \
+     examine the condition codes manually.  */				  \
+  unsigned long int __fpsr;						  \
+  __asm ("ftst%.x %1\n"							  \
+	 "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	  \
+  return (__fpsr & (3 << 24)) == 0;					  \
+}									  \
+									  \
+__m81_defun (int, __CONCAT(__signbit,s), (float_type __value))		  \
+{									  \
+  /* There is no branch-condition for the sign bit, so we must extract	  \
+     and examine the condition codes manually.  */			  \
+  unsigned long int __fpsr;						  \
+  __asm ("ftst%.x %1\n"							  \
+	 "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	  \
+  return (__fpsr >> 27) & 1;						  \
+}									  \
+									  \
+__m81_defun (int, __CONCAT(__ilogb,s), (float_type __x))		  \
+{									  \
+  float_type __result;							  \
+  if (__x == 0.0)							  \
+    return 0x80000001;							  \
+  __asm("fgetexp%.x %1, %0" : "=f" (__result) : "f" (__x));		  \
+  return (int) __result;						  \
+}									  \
+									  \
+__m81_defun (float_type, __CONCAT(__scalbn,s), (float_type __x, int __n)) \
+{									  \
+  float_type __result;							  \
+  __asm ("fscale%.l %1, %0" : "=f" (__result) : "dmi" (__n), "0" (__x));  \
+  return __result;							  \
+}									  \
+									  \
+__m81_defun (float_type, __CONCAT(__nearbyint,s), (float_type __x))	  \
+{									  \
+  float_type __result;							  \
+  unsigned long int __ctrl_reg;						  \
+  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));		  \
+  /* Temporarily disable the inexact exception.  */			  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" (__ctrl_reg & ~0x200));			  \
+  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));	  \
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */		  \
+		      : "dmi" (__ctrl_reg));				  \
+  return __result;							  \
 }
 
 /* This defines the three variants of the inline functions.  */
@@ -286,8 +303,6 @@ __inline_forward(double,frexp, (double __value, int *__expptr),
 		 (__value, __expptr))
 __inline_forward_c(double,floor, (double __x), (__x))
 __inline_forward_c(double,ceil, (double __x), (__x))
-__inline_forward(double,modf, (double __value, double *__iptr),
-		 (__value, __iptr))
 #ifdef __USE_MISC
 __inline_forward_c(int,isinf, (double __value), (__value))
 __inline_forward_c(int,finite, (double __value), (__value))
@@ -299,6 +314,9 @@ __inline_forward_c(int,isnan, (double __value), (__value))
 #endif
 __inline_forward_c(int,ilogb, (double __value), (__value))
 #endif
+#ifdef __USE_ISOC9X
+__inline_forward_c(double,nearbyint, (double __value), (__value))
+#endif
 
 #if defined __USE_MISC || defined __USE_ISOC9X
 
@@ -306,8 +324,6 @@ __inline_forward(float,frexpf, (float __value, int *__expptr),
 		 (__value, __expptr))
 __inline_forward_c(float,floorf, (float __x), (__x))
 __inline_forward_c(float,ceilf, (float __x), (__x))
-__inline_forward(float,modff, (float __value, float *__iptr),
-		 (__value, __iptr))
 #ifdef __USE_MISC
 __inline_forward_c(int,isinff, (float __value), (__value))
 __inline_forward_c(int,finitef, (float __value), (__value))
@@ -315,14 +331,14 @@ __inline_forward_c(float,scalbnf, (float __x, int __n), (__x, __n))
 __inline_forward_c(int,isnanf, (float __value), (__value))
 __inline_forward_c(int,ilogbf, (float __value), (__value))
 #endif
+#ifdef __USE_ISOC9X
+__inline_forward_c(float,nearbyintf, (float __value), (__value))
+#endif
 
 __inline_forward(long double,frexpl, (long double __value, int *__expptr),
 		 (__value, __expptr))
 __inline_forward_c(long double,floorl, (long double __x), (__x))
 __inline_forward_c(long double,ceill, (long double __x), (__x))
-__inline_forward(long double,modfl,
-		 (long double __value, long double *__iptr),
-		 (__value, __iptr))
 #ifdef __USE_MISC
 __inline_forward_c(int,isinfl, (long double __value), (__value))
 __inline_forward_c(int,finitel, (long double __value), (__value))
@@ -331,6 +347,9 @@ __inline_forward_c(long double,scalbnl, (long double __x, int __n),
 __inline_forward_c(int,isnanl, (long double __value), (__value))
 __inline_forward_c(int,ilogbl, (long double __value), (__value))
 #endif
+#ifdef __USE_ISOC9X
+__inline_forward_c(long double,nearbyintl, (long double __value), (__value))
+#endif
 
 #endif /* Use misc or ISO C9X */
 
diff --git a/sysdeps/m68k/fpu/e_atan2.c b/sysdeps/m68k/fpu/e_atan2.c
index 58d7555f41..c012070a93 100644
--- a/sysdeps/m68k/fpu/e_atan2.c
+++ b/sysdeps/m68k/fpu/e_atan2.c
@@ -27,10 +27,12 @@
 #define float_type double
 #endif
 
-#define __CONCATX(a,b) __CONCAT(a,b)
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+#define m81(func) __m81_u(s(func))
 
 float_type
-__CONCATX(__ieee754_atan2,SUFF) (float_type y, float_type x)
+s(__ieee754_atan2) (float_type y, float_type x)
 {
   float_type pi, pi_2, z;
 
@@ -40,41 +42,41 @@ __CONCATX(__ieee754_atan2,SUFF) (float_type y, float_type x)
     z = x + y;
   else if (y == 0)
     {
-      if (signbit (x))
-	z = signbit (y) ? -pi : pi;
+      if (m81(__signbit) (x))
+	z = m81(__signbit) (y) ? -pi : pi;
       else
 	z = y;
     }
-  else if (__m81_u(__CONCATX(__isinf,SUFF)) (x))
+  else if (m81(__isinf) (x))
     {
-      if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+      if (m81(__isinf) (y))
 	{
 	  float_type pi_4;
-	  __asm ("fscale%.w %#-1, %0" : "=f" (pi_4) : "0" (pi_2));
+	  __asm ("fscale%.w %#-2, %0" : "=f" (pi_4) : "0" (pi));
 	  z = x > 0 ? pi_4 : 3 * pi_4;
 	}
       else
 	z = x > 0 ? 0 : pi;
-      if (signbit (y))
+      if (m81(__signbit) (y))
 	z = -z;
     }
-  else if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+  else if (m81(__isinf) (y))
     z = y > 0 ? pi_2 : -pi_2;
   else if (x > 0)
     {
       if (y > 0)
 	{
 	  if (x > y)
-	    z = __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+	    z = m81(__atan) (y / x);
 	  else
-	    z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+	    z = pi_2 - m81(__atan) (x / y);
 	}
       else
 	{
 	  if (x > -y)
-	    z = __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+	    z = m81(__atan) (y / x);
 	  else
-	    z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+	    z = -pi_2 - m81(__atan) (x / y);
 	}
     }
   else
@@ -82,16 +84,16 @@ __CONCATX(__ieee754_atan2,SUFF) (float_type y, float_type x)
       if (y < 0)
 	{
 	  if (-x > y)
-	    z = -pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+	    z = -pi + m81(__atan) (y / x);
 	  else
-	    z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+	    z = -pi_2 - m81(__atan) (x / y);
 	}
       else
 	{
 	  if (-x > y)
-	    z = pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+	    z = pi + m81(__atan) (y / x);
 	  else
-	    z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+	    z = pi_2 - m81(__atan) (x / y);
 	}
     }
   return z;
diff --git a/sysdeps/m68k/fpu/e_pow.c b/sysdeps/m68k/fpu/e_pow.c
index 970e8b821b..284f1bf294 100644
--- a/sysdeps/m68k/fpu/e_pow.c
+++ b/sysdeps/m68k/fpu/e_pow.c
@@ -27,10 +27,12 @@
 #define float_type double
 #endif
 
-#define __CONCATX(a,b) __CONCAT(a,b)
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+#define m81(func) __m81_u(s(func))
 
 float_type
-__CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
+s(__ieee754_pow) (float_type x, float_type y)
 {
   float_type z;
   float_type ax;
@@ -40,24 +42,24 @@ __CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
   if (x != x || y != y)
     return x + y;
 
-  if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+  if (m81(__isinf) (y))
     {
-      ax = __CONCATX(fabs,SUFF) (x);
+      ax = s(fabs) (x);
       if (ax == 1)
-	return y - y;
+	return 0.0/0.0;
       if (ax > 1)
 	return y > 0 ? y : 0;
       else
 	return y < 0 ? -y : 0;
     }
 
-  if (__CONCATX(fabs,SUFF) (y) == 1)
+  if (s(fabs) (y) == 1)
     return y > 0 ? x : 1 / x;
 
   if (y == 2)
     return x * x;
-  if (y == 0 && x >= 0)
-    return __m81_u(__CONCATX(__ieee754_sqrt,SUFF)) (x);
+  if (y == 0.5 && x >= 0)
+    return m81(__ieee754_sqrt) (x);
 
   if (x == 10.0)
     {
@@ -70,19 +72,19 @@ __CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
       return z;
     }
 
-  ax = __CONCATX(fabs,SUFF) (x);
-  if (__m81_u(__CONCATX(__isinf,SUFF)) (x) || x == 0 || ax == 1)
+  ax = s(fabs) (x);
+  if (m81(__isinf) (x) || x == 0 || ax == 1)
     {
       z = ax;
       if (y < 0)
 	z = 1 / z;
-      if (signbit (x))
+      if (m81(__signbit) (x))
 	{
-	  float_type temp = __m81_u (__CONCATX(__rint,SUFF)) (y);
+	  float_type temp = m81(__rint) (y);
 	  if (y != temp)
 	    {
 	      if (x == -1)
-		z = (z - z) / (z - z);
+		z = 0.0/0.0;
 	    }
 	  else
 	    {
@@ -105,12 +107,11 @@ __CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
 
   if (x < 0.0)
     {
-      float_type temp = __m81_u (__CONCATX(__rint,SUFF)) (y);
+      float_type temp = m81(__rint) (y);
       if (y == temp)
 	{
 	  long long i = (long long) y;
-	  z = (__m81_u(__CONCATX(__ieee754_exp,SUFF))
-	       (y * __m81_u(__CONCATX(__ieee754_log,SUFF)) (-x)));
+	  z = m81(__ieee754_exp) (y * m81(__ieee754_log) (-x));
 	  if (sizeof (float_type) == sizeof (float))
 	    {
 	      long i = (long) y;
@@ -126,10 +127,9 @@ __CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
 	    }
 	}
       else
-	z = (x - x) / (x - x);
+	z = 0.0/0.0;
     }
   else
-    z = (__m81_u(__CONCATX(__ieee754_exp,SUFF))
-	 (y * __m81_u(__CONCATX(__ieee754_log,SUFF)) (x)));
+    z = m81(__ieee754_exp) (y * m81(__ieee754_log) (x));
   return z;
 }
diff --git a/sysdeps/m68k/fpu/s_cexp.c b/sysdeps/m68k/fpu/s_cexp.c
new file mode 100644
index 0000000000..d5c76453e8
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_cexp.c
@@ -0,0 +1,92 @@
+/* Complex exponential function.  m68k fpu version
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#define __LIBC_M81_MATH_INLINES
+#include <complex.h>
+#include <math.h>
+
+#ifndef SUFF
+#define SUFF
+#endif
+#ifndef huge_val
+#define huge_val HUGE_VAL
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+#define m81(func) __m81_u(s(func))
+
+__complex__ float_type
+s(__cexp) (__complex__ float_type x)
+{
+  __complex__ float_type retval;
+  float_type sin_ix, cos_ix;
+
+  if (m81(__finite) (__real__ x))
+    {
+      if (m81(__finite) (__imag__ x))
+	{
+	  float_type exp_val = s(__exp) (__real__ x);
+
+	  __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
+		 : "f" (__imag__ x));
+	  __real__ retval = exp_val * cos_ix;
+	  __imag__ retval = exp_val * sin_ix;
+	}
+      else
+	/* If the imaginary part is +-inf or NaN and the real part is
+	   not +-inf the result is NaN + iNaN.  */
+	__real__ retval = __imag__ retval = 0.0/0.0;
+    }
+  else if (m81(__isinf) (__real__ x))
+    {
+      if (m81(__finite) (__imag__ x))
+	{
+	  if (m81(__signbit) (__real__ x) == 0 && __imag__ x == 0.0)
+	    retval = huge_val;
+	  else
+	    {
+	      float_type value = m81(__signbit) (__real__ x) ? 0.0 : huge_val;
+
+	      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
+		     : "f" (__imag__ x));
+	      __real__ retval = value * cos_ix;
+	      __imag__ retval = value * sin_ix;
+	    }
+	}
+      else if (m81(__signbit) (__real__ x) == 0)
+	{
+	  __real__ retval = huge_val;
+	  __imag__ retval = 0.0/0.0;
+	}
+      else
+	retval = 0.0;
+    }
+  else
+    /* If the real part is NaN the result is NaN + iNaN.  */
+    __real__ retval = __imag__ retval = 0.0/0.0;
+
+  return retval;
+}
+#define weak_aliasx(a,b) weak_alias(a,b)
+weak_aliasx (s(__cexp), s(cexp))
diff --git a/sysdeps/m68k/fpu/s_cexpf.c b/sysdeps/m68k/fpu/s_cexpf.c
new file mode 100644
index 0000000000..db9f174546
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_cexpf.c
@@ -0,0 +1,4 @@
+#define SUFF f
+#define huge_val HUGE_VALF
+#define float_type float
+#include <s_cexp.c>
diff --git a/sysdeps/m68k/fpu/s_cexpl.c b/sysdeps/m68k/fpu/s_cexpl.c
new file mode 100644
index 0000000000..7367070548
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_cexpl.c
@@ -0,0 +1,4 @@
+#define SUFF l
+#define huge_val HUGE_VALL
+#define float_type long double
+#include <s_cexp.c>
diff --git a/sysdeps/m68k/fpu/s_modf.c b/sysdeps/m68k/fpu/s_modf.c
index 6428afc3be..ad0334faaa 100644
--- a/sysdeps/m68k/fpu/s_modf.c
+++ b/sysdeps/m68k/fpu/s_modf.c
@@ -19,22 +19,35 @@
 #define __LIBC_M81_MATH_INLINES
 #include <math.h>
 
-#ifndef FUNC
-#define FUNC modf
+#ifndef SUFF
+#define SUFF
 #endif
 #ifndef float_type
 #define float_type double
 #endif
 
-#define __CONCATX(a,b) __CONCAT(a,b)
+#define CONCATX(a,b) __CONCAT(a,b)
+#define s(name) CONCATX(name,SUFF)
+#define m81(func) __m81_u(s(func))
 
 float_type
-__CONCATX(__,FUNC) (x, iptr)
-     float_type x;
-     float_type *iptr;
+s(__modf) (float_type x, float_type *iptr)
 {
-  return __m81_u(__CONCATX(__,FUNC))(x, iptr);
+  float_type x_int, result;
+  __asm ("fintrz%.x %1, %0" : "=f" (x_int) : "f" (x));
+  *iptr = x_int;
+  if (m81(__isinf) (x))
+    {
+      result = 0;
+      if (x < 0)
+	result = -result;
+    }
+  else if (x == 0)
+    result = x;
+  else
+    result = x - x_int;
+  return result;
 }
 
 #define weak_aliasx(a,b) weak_alias(a,b)
-weak_aliasx(__CONCATX(__,FUNC), FUNC)
+weak_aliasx(s(__modf), s(modf))
diff --git a/sysdeps/m68k/fpu/s_modff.c b/sysdeps/m68k/fpu/s_modff.c
index 37bff0022f..0c44d7c0ab 100644
--- a/sysdeps/m68k/fpu/s_modff.c
+++ b/sysdeps/m68k/fpu/s_modff.c
@@ -1,3 +1,3 @@
-#define FUNC modff
+#define SUFF f
 #define float_type float
 #include <s_modf.c>
diff --git a/sysdeps/m68k/fpu/s_modfl.c b/sysdeps/m68k/fpu/s_modfl.c
index 51327dd1aa..c7075b3ba9 100644
--- a/sysdeps/m68k/fpu/s_modfl.c
+++ b/sysdeps/m68k/fpu/s_modfl.c
@@ -1,3 +1,3 @@
-#define FUNC modfl
+#define SUFF l
 #define float_type long double
 #include <s_modf.c>
diff --git a/sysdeps/m68k/fpu/s_nearbyint.c b/sysdeps/m68k/fpu/s_nearbyint.c
new file mode 100644
index 0000000000..b87f5e2160
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_nearbyint.c
@@ -0,0 +1,2 @@
+#define	FUNC nearbyint
+#include <s_atan.c>
diff --git a/sysdeps/m68k/fpu/s_nearbyintf.c b/sysdeps/m68k/fpu/s_nearbyintf.c
new file mode 100644
index 0000000000..70d08ab44c
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_nearbyintf.c
@@ -0,0 +1,2 @@
+#define	FUNC nearbyintf
+#include <s_atanf.c>
diff --git a/sysdeps/m68k/fpu/s_nearbyintl.c b/sysdeps/m68k/fpu/s_nearbyintl.c
new file mode 100644
index 0000000000..230cd7784c
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_nearbyintl.c
@@ -0,0 +1,2 @@
+#define	FUNC nearbyintl
+#include <s_atanl.c>
diff --git a/sysdeps/m68k/fpu/s_trunc.c b/sysdeps/m68k/fpu/s_trunc.c
new file mode 100644
index 0000000000..96f29a776c
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_trunc.c
@@ -0,0 +1,2 @@
+#define	FUNC trunc
+#include <s_atan.c>
diff --git a/sysdeps/m68k/fpu/s_truncf.c b/sysdeps/m68k/fpu/s_truncf.c
new file mode 100644
index 0000000000..44dca748ca
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_truncf.c
@@ -0,0 +1,2 @@
+#define	FUNC truncf
+#include <s_atanf.c>
diff --git a/sysdeps/m68k/fpu/s_truncl.c b/sysdeps/m68k/fpu/s_truncl.c
new file mode 100644
index 0000000000..8d35777aed
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_truncl.c
@@ -0,0 +1,2 @@
+#define	FUNC truncl
+#include <s_atanl.c>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-16 01:59:22 +0000