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-rw-r--r--sysdeps/m68k/fpu/__math.h21
-rw-r--r--sysdeps/m68k/fpu/e_pow.c32
-rw-r--r--sysdeps/m68k/fpu/s_ccos.c73
-rw-r--r--sysdeps/m68k/fpu/s_ccosf.c3
-rw-r--r--sysdeps/m68k/fpu/s_ccosh.c85
-rw-r--r--sysdeps/m68k/fpu/s_ccoshf.c1
-rw-r--r--sysdeps/m68k/fpu/s_ccoshl.c1
-rw-r--r--sysdeps/m68k/fpu/s_ccosl.c3
-rw-r--r--sysdeps/m68k/fpu/s_cexp.c119
-rw-r--r--sysdeps/m68k/fpu/s_cexpf.c1
-rw-r--r--sysdeps/m68k/fpu/s_cexpl.c1
-rw-r--r--sysdeps/m68k/fpu/s_csin.c69
-rw-r--r--sysdeps/m68k/fpu/s_csinf.c3
-rw-r--r--sysdeps/m68k/fpu/s_csinh.c91
-rw-r--r--sysdeps/m68k/fpu/s_csinhf.c1
-rw-r--r--sysdeps/m68k/fpu/s_csinhl.c1
-rw-r--r--sysdeps/m68k/fpu/s_csinl.c3
17 files changed, 286 insertions, 222 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index 92487f9b04..5dc4d2e066 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -153,6 +153,21 @@ __internal_inline_functions (float,f)
 __internal_inline_functions (long double,l)
 #undef __internal_inline_functions
 
+/* Get the m68881 condition codes, to quickly check multiple conditions.  */
+static __inline__ unsigned long
+__m81_test (long double __val)
+{
+  unsigned long __fpsr;
+  __asm ("ftst%.x %1; fmove%.l %/fpsr,%0" : "=dm" (__fpsr) : "f" (__val));
+  return __fpsr;
+}
+
+/* Bit values returned by __m81_test.  */
+#define __M81_COND_NAN (1 << 24)
+#define __M81_COND_INF (2 << 24)
+#define __M81_COND_ZERO (4 << 24)
+#define __M81_COND_NEG (8 << 24)
+
 #endif /* __LIBC_M81_MATH_INLINES */
 
 /* The rest of the functions are available to the user.  */
@@ -163,8 +178,12 @@ __m81_u(__CONCAT(__frexp,s))(float_type __value, int *__expptr)		  \
 {									  \
   float_type __mantissa, __exponent;					  \
   int __iexponent;							  \
-  if (__value == 0.0)							  \
+  unsigned long __fpsr;							  \
+  __asm("ftst%.x %1\n"							  \
+	"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));	  \
+  if (__fpsr & (7 << 24))						  \
     {									  \
+      /* Not finite or zero.  */					  \
       *__expptr = 0;							  \
       return __value;							  \
     }									  \
diff --git a/sysdeps/m68k/fpu/e_pow.c b/sysdeps/m68k/fpu/e_pow.c
index a39b63d342..b3d151fadc 100644
--- a/sysdeps/m68k/fpu/e_pow.c
+++ b/sysdeps/m68k/fpu/e_pow.c
@@ -36,29 +36,33 @@ s(__ieee754_pow) (float_type x, float_type y)
 {
   float_type z;
   float_type ax;
+  unsigned long x_cond, y_cond;
 
-  if (y == 0.0)
+  y_cond = __m81_test (y);
+  if (y_cond & __M81_COND_ZERO)
     return 1.0;
-  if (x != x || y != y)
+
+  x_cond = __m81_test (x);
+  if ((x_cond | y_cond) & __M81_COND_NAN)
     return x + y;
 
-  if (m81(__isinf) (y))
+  if (y_cond & __M81_COND_INF)
     {
       ax = s(fabs) (x);
       if (ax == 1)
-	return 0.0/0.0;
+	return y - y;
       if (ax > 1)
-	return y > 0 ? y : 0;
+	return y_cond & __M81_COND_NEG ? 0 : y;
       else
-	return y < 0 ? -y : 0;
+	return y_cond & __M81_COND_NEG ? -y : 0;
     }
 
   if (s(fabs) (y) == 1)
-    return y > 0 ? x : 1 / x;
+    return y_cond & __M81_COND_NEG ? 1 / x : x;
 
   if (y == 2)
     return x * x;
-  if (y == 0.5 && x >= 0)
+  if (y == 0.5 && !(x_cond & __M81_COND_NEG))
     return m81(__ieee754_sqrt) (x);
 
   if (x == 10.0)
@@ -73,17 +77,17 @@ s(__ieee754_pow) (float_type x, float_type y)
     }
 
   ax = s(fabs) (x);
-  if (m81(__isinf) (x) || x == 0 || ax == 1)
+  if (x_cond & (__M81_COND_INF | __M81_COND_ZERO) || ax == 1)
     {
       z = ax;
-      if (y < 0)
+      if (y_cond & __M81_COND_NEG)
 	z = 1 / z;
-      if (m81(__signbit) (x))
+      if (x_cond & __M81_COND_NEG)
 	{
 	  if (y != m81(__rint) (y))
 	    {
 	      if (x == -1)
-		z = 0.0/0.0;
+		z = (z - z) / (z - z);
 	    }
 	  else
 	    goto maybe_negate;
@@ -91,7 +95,7 @@ s(__ieee754_pow) (float_type x, float_type y)
       return z;
     }
 
-  if (x < 0.0)
+  if (x_cond & __M81_COND_NEG)
     {
       if (y == m81(__rint) (y))
 	{
@@ -112,7 +116,7 @@ s(__ieee754_pow) (float_type x, float_type y)
 	  }
 	}
       else
-	z = 0.0/0.0;
+	z = (y - y) / (y - y);
     }
   else
     z = m81(__ieee754_exp) (y * m81(__ieee754_log) (x));
diff --git a/sysdeps/m68k/fpu/s_ccos.c b/sysdeps/m68k/fpu/s_ccos.c
new file mode 100644
index 0000000000..53f8286b14
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_ccos.c
@@ -0,0 +1,73 @@
+/* Complex cosine 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 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(__ccos) (__complex__ float_type x)
+{
+  __complex__ float_type retval;
+  unsigned long rx_cond = __m81_test (__real__ x);
+
+  if ((rx_cond & (__M81_COND_INF|__M81_COND_NAN)) == 0)
+    {
+      /* Real part is finite.  */
+      float_type sin_rx, cos_rx;
+
+      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_rx), "=f" (cos_rx)
+	     : "f" (__real__ x));
+      __real__ retval = cos_rx * m81(__ieee754_cosh) (__imag__ x);
+      if (rx_cond & __M81_COND_ZERO)
+	__imag__ retval = (m81(__signbit) (__imag__ x)
+			   ? __real__ x : -__real__ x);
+      else
+	__imag__ retval = -sin_rx * m81(__ieee754_sinh) (__imag__ x);
+    }
+  else
+    {
+      unsigned long ix_cond = __m81_test (__imag__ x);
+
+      if (ix_cond & __M81_COND_INF)
+	__real__ retval = s(fabs) (__imag__ x);
+      else
+	__real__ retval = __real__ x - __real__ x;
+      if (ix_cond & __M81_COND_ZERO)
+	__imag__ retval = __imag__ x;
+      else
+	__imag__ retval = __real__ x - __real__ x;
+    }
+
+  return retval;
+}
+#define weak_aliasx(a,b) weak_alias(a,b)
+weak_aliasx (s(__ccos), s(ccos))
diff --git a/sysdeps/m68k/fpu/s_ccosf.c b/sysdeps/m68k/fpu/s_ccosf.c
new file mode 100644
index 0000000000..f5e8a41faf
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_ccosf.c
@@ -0,0 +1,3 @@
+#define SUFF f
+#define float_type float
+#include <s_ccos.c>
diff --git a/sysdeps/m68k/fpu/s_ccosh.c b/sysdeps/m68k/fpu/s_ccosh.c
index 439eae131c..85e73b87e3 100644
--- a/sysdeps/m68k/fpu/s_ccosh.c
+++ b/sysdeps/m68k/fpu/s_ccosh.c
@@ -25,9 +25,6 @@
 #ifndef SUFF
 #define SUFF
 #endif
-#ifndef huge_val
-#define huge_val HUGE_VAL
-#endif
 #ifndef float_type
 #define float_type double
 #endif
@@ -40,78 +37,40 @@ __complex__ float_type
 s(__ccosh) (__complex__ float_type x)
 {
   __complex__ float_type retval;
+  unsigned long ix_cond = __m81_test (__imag__ x);
 
-  __real__ x = s(fabs) (__real__ x);
-
-  if (m81(__finite) (__real__ x))
+  if ((ix_cond & (__M81_COND_INF|__M81_COND_NAN)) == 0)
     {
-      if (m81(__finite) (__imag__ x))
-	{
-	  float_type cosh_val;
-	  float_type sin_ix, cos_ix;
+      /* Imaginary part is finite.  */
+      float_type sin_ix, cos_ix;
 
-	  __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
-		 : "f" (__imag__ x));
-	  cosh_val = m81(__ieee754_cosh) (__real__ x);
-	  __real__ retval = cos_ix * cosh_val;
-	  __imag__ retval = sin_ix * cosh_val;
-	}
-      else if (__real__ x == 0)
-	{
-	  __imag__ retval = 0.0;
-	  __real__ retval = huge_val - huge_val;
-	}
+      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
+	     : "f" (__imag__ x));
+      __real__ retval = cos_ix * m81(__ieee754_cosh) (__real__ x);
+      if (ix_cond & __M81_COND_ZERO)
+	__imag__ retval = (m81(__signbit) (__real__ x)
+			   ? -__imag__ x : __imag__ x);
       else
-	__real__ retval = __imag__ retval = huge_val - huge_val;
+	__imag__ retval = sin_ix * m81(__ieee754_sinh) (__real__ x);
     }
-  else if (m81(__isinf) (__real__ x))
+  else
     {
-      if (__imag__ x == 0)
-	{
-	  __real__ retval = huge_val;
-	  __imag__ retval = __imag__ x;
-	}
-      else if (m81(__finite) (__imag__ x))
-	{
-	  float_type remainder, pi_2;
-	  int quadrant;
-	  __real__ retval = __imag__ retval = huge_val;
+      unsigned long rx_cond = __m81_test (__real__ x);
 
-	  __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2));
-	  __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
-		 : "=f" (remainder), "=dm" (quadrant)
-		 : "f" (pi_2), "0" (__imag__ x));
-	  quadrant = (quadrant >> 16) & 0x83;
-	  if (quadrant & 0x80)
-	    quadrant ^= 0x83;
-	  switch (quadrant)
-	    {
-	    default:
-	      break;
-	    case 1:
-	      __real__ retval = -__real__ retval;
-	      break;
-	    case 2:
-	      __real__ retval = -__real__ retval;
-	    case 3:
-	      __imag__ retval = -__imag__ retval;
-	      break;
-	    }
+      if (rx_cond & __M81_COND_ZERO)
+	{
+	  __real__ retval = __imag__ x - __imag__ x;
+	  __imag__ retval = __real__ x;
 	}
       else
 	{
-	  /* The subtraction raises the invalid exception.  */
-	  __real__ retval = huge_val;
-	  __imag__ retval = huge_val - huge_val;
+	  if (rx_cond & __M81_COND_INF)
+	    __real__ retval = s(fabs) (__real__ x);
+	  else
+	    __real__ retval = 0.0/0.0;
+	  __imag__ retval = __imag__ x - __imag__ x;
 	}
     }
-  else if (__imag__ x == 0)
-    {
-      __real__ retval = 0.0/0.0;
-      __imag__ retval = __imag__ x;
-    }
-  else
-    __real__ retval = __imag__ retval = 0.0/0.0;
 
   return retval;
 }
diff --git a/sysdeps/m68k/fpu/s_ccoshf.c b/sysdeps/m68k/fpu/s_ccoshf.c
index 7d0766851f..3c8e7c7bb7 100644
--- a/sysdeps/m68k/fpu/s_ccoshf.c
+++ b/sysdeps/m68k/fpu/s_ccoshf.c
@@ -1,4 +1,3 @@
 #define SUFF f
 #define float_type float
-#define huge_val HUGE_VALF
 #include <s_ccosh.c>
diff --git a/sysdeps/m68k/fpu/s_ccoshl.c b/sysdeps/m68k/fpu/s_ccoshl.c
index 6f1d1e5f85..772d5786cf 100644
--- a/sysdeps/m68k/fpu/s_ccoshl.c
+++ b/sysdeps/m68k/fpu/s_ccoshl.c
@@ -1,4 +1,3 @@
 #define SUFF l
 #define float_type long double
-#define huge_val HUGE_VALL
 #include <s_ccosh.c>
diff --git a/sysdeps/m68k/fpu/s_ccosl.c b/sysdeps/m68k/fpu/s_ccosl.c
new file mode 100644
index 0000000000..aaff365208
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_ccosl.c
@@ -0,0 +1,3 @@
+#define SUFF l
+#define float_type long double
+#include <s_ccos.c>
diff --git a/sysdeps/m68k/fpu/s_cexp.c b/sysdeps/m68k/fpu/s_cexp.c
index 4846ec10f3..86cc894a7e 100644
--- a/sysdeps/m68k/fpu/s_cexp.c
+++ b/sysdeps/m68k/fpu/s_cexp.c
@@ -25,9 +25,6 @@
 #ifndef SUFF
 #define SUFF
 #endif
-#ifndef huge_val
-#define huge_val HUGE_VAL
-#endif
 #ifndef float_type
 #define float_type double
 #endif
@@ -40,85 +37,79 @@ __complex__ float_type
 s(__cexp) (__complex__ float_type x)
 {
   __complex__ float_type retval;
+  unsigned long ix_cond;
+
+  ix_cond = __m81_test (__imag__ x);
 
-  if (m81(__finite) (__real__ x))
+  if ((ix_cond & (__M81_COND_NAN|__M81_COND_INF)) == 0)
     {
-      if (m81(__finite) (__imag__ x))
+      /* Imaginary part is finite.  */
+      float_type exp_val = m81(__ieee754_exp) (__real__ x);
+
+      __real__ retval = __imag__ retval = exp_val;
+      if (m81(__finite) (exp_val))
 	{
-	  float_type exp_val = m81(__ieee754_exp) (__real__ x);
+	  float_type sin_ix, cos_ix;
+	  __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
+		 : "f" (__imag__ x));
+	  __real__ retval *= cos_ix;
+	  if (ix_cond & __M81_COND_ZERO)
+	    __imag__ retval = __imag__ x;
+	  else
+	    __imag__ retval *= sin_ix;
+	}
+      else
+	{
+	  /* Compute the sign of the result.  */
+	  float_type remainder, pi_2;
+	  int quadrant;
 
-	  __real__ retval = __imag__ retval = exp_val;
-	  if (m81(__finite) (exp_val))
+	  __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2));
+	  __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
+		 : "=f" (remainder), "=dm" (quadrant)
+		 : "f" (pi_2), "0" (__imag__ x));
+	  quadrant = (quadrant >> 16) & 0x83;
+	  if (quadrant & 0x80)
+	    quadrant ^= 0x83;
+	  switch (quadrant)
 	    {
-	      float_type sin_ix, cos_ix;
-	      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
-		     : "f" (__imag__ x));
-	      __real__ retval *= cos_ix;
-	      __imag__ retval *= sin_ix;
+	    default:
+	      break;
+	    case 1:
+	      __real__ retval = -__real__ retval;
+	      break;
+	    case 2:
+	      __real__ retval = -__real__ retval;
+	    case 3:
+	      __imag__ retval = -__imag__ retval;
+	      break;
 	    }
-	  else
-	    goto fix_sign;
+	  if (ix_cond & __M81_COND_ZERO && !m81(__isnan) (exp_val))
+	    __imag__ retval = __imag__ x;
 	}
-      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))
+  else
     {
-      if (m81(__finite) (__imag__ x))
-	{
-	  float_type value = m81(__signbit) (__real__ x) ? 0.0 : huge_val;
+      unsigned long rx_cond = __m81_test (__real__ x);
 
-	  if (__imag__ x == 0.0)
+      if (rx_cond & __M81_COND_INF)
+	{
+	  /* Real part is infinite.  */
+	  if (rx_cond & __M81_COND_NEG)
 	    {
-	      __real__ retval = value;
-	      __imag__ retval = __imag__ x;
+	      __real__ retval = __imag__ retval = 0.0;
+	      if (ix_cond & __M81_COND_NEG)
+		__imag__ retval = -__imag__ retval;
 	    }
 	  else
 	    {
-	      float_type remainder, pi_2;
-	      int quadrant;
-	      __real__ retval = value;
-	      __imag__ retval = value;
-
-	    fix_sign:
-	      __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2));
-	      __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
-		     : "=f" (remainder), "=dm" (quadrant)
-		     : "f" (pi_2), "0" (__imag__ x));
-	      quadrant = (quadrant >> 16) & 0x83;
-	      if (quadrant & 0x80)
-		quadrant ^= 0x83;
-	      switch (quadrant)
-		{
-		default:
-		  break;
-		case 1:
-		  __real__ retval = -__real__ retval;
-		  break;
-		case 2:
-		  __real__ retval = -__real__ retval;
-		case 3:
-		  __imag__ retval = -__imag__ retval;
-		  break;
-		}
+	      __real__ retval = __real__ x;
+	      __imag__ retval = __imag__ x - __imag__ x;
 	    }
 	}
-      else if (m81(__signbit) (__real__ x) == 0)
-	{
-	  __real__ retval = huge_val;
-	  __imag__ retval = 0.0/0.0;
-	}
       else
-	{
-	  __real__ retval = 0.0;
-	  __imag__ retval = s(__copysign) (0.0, __imag__ x);
-	}
+	__real__ retval = __imag__ retval = __imag__ x - __imag__ x;
     }
-  else
-    /* If the real part is NaN the result is NaN + iNaN.  */
-    __real__ retval = __imag__ retval = 0.0/0.0;
 
   return retval;
 }
diff --git a/sysdeps/m68k/fpu/s_cexpf.c b/sysdeps/m68k/fpu/s_cexpf.c
index db9f174546..177a360f9b 100644
--- a/sysdeps/m68k/fpu/s_cexpf.c
+++ b/sysdeps/m68k/fpu/s_cexpf.c
@@ -1,4 +1,3 @@
 #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
index 7367070548..bbda4ba990 100644
--- a/sysdeps/m68k/fpu/s_cexpl.c
+++ b/sysdeps/m68k/fpu/s_cexpl.c
@@ -1,4 +1,3 @@
 #define SUFF l
-#define huge_val HUGE_VALL
 #define float_type long double
 #include <s_cexp.c>
diff --git a/sysdeps/m68k/fpu/s_csin.c b/sysdeps/m68k/fpu/s_csin.c
new file mode 100644
index 0000000000..8eecd961a6
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_csin.c
@@ -0,0 +1,69 @@
+/* Complex sine 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 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(__csin) (__complex__ float_type x)
+{
+  __complex__ float_type retval;
+  unsigned long rx_cond = __m81_test (__real__ x);
+
+  if ((rx_cond & (__M81_COND_INF|__M81_COND_NAN)) == 0)
+    {
+      /* Real part is finite.  */
+      float_type sin_rx, cos_rx;
+
+      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_rx), "=f" (cos_rx)
+	     : "f" (__real__ x));
+      if (rx_cond & __M81_COND_ZERO)
+	__real__ retval = __real__ x;
+      else
+	__real__ retval = sin_rx * m81(__ieee754_cosh) (__imag__ x);
+      __imag__ retval = cos_rx * m81(__ieee754_sinh) (__imag__ x);
+    }
+  else
+    {
+      unsigned long ix_cond = __m81_test (__imag__ x);
+
+      __real__ retval = __real__ x - __real__ x;
+      if (ix_cond & (__M81_COND_ZERO|__M81_COND_INF|__M81_COND_NAN))
+	__imag__ retval = __imag__ x;
+      else
+	__imag__ retval = __real__ retval;
+    }
+
+  return retval;
+}
+#define weak_aliasx(a,b) weak_alias(a,b)
+weak_aliasx (s(__csin), s(csin))
diff --git a/sysdeps/m68k/fpu/s_csinf.c b/sysdeps/m68k/fpu/s_csinf.c
new file mode 100644
index 0000000000..b760e192c3
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_csinf.c
@@ -0,0 +1,3 @@
+#define SUFF f
+#define float_type float
+#include <s_csin.c>
diff --git a/sysdeps/m68k/fpu/s_csinh.c b/sysdeps/m68k/fpu/s_csinh.c
index c409ed0d8f..643a221b57 100644
--- a/sysdeps/m68k/fpu/s_csinh.c
+++ b/sysdeps/m68k/fpu/s_csinh.c
@@ -25,9 +25,6 @@
 #ifndef SUFF
 #define SUFF
 #endif
-#ifndef huge_val
-#define huge_val HUGE_VAL
-#endif
 #ifndef float_type
 #define float_type double
 #endif
@@ -40,87 +37,33 @@ __complex__ float_type
 s(__csinh) (__complex__ float_type x)
 {
   __complex__ float_type retval;
-  int negate = m81(__signbit) (__real__ x);
+  unsigned long ix_cond;
 
-  __real__ x = s(fabs) (__real__ x);
+  ix_cond = __m81_test (__imag__ x);
 
-  if (m81(__finite) (__real__ x))
+  if ((ix_cond & (__M81_COND_INF|__M81_COND_NAN)) == 0)
     {
-      if (m81(__finite) (__imag__ x))
-	{
-	  float_type sinh_val;
-	  float_type sin_ix, cos_ix;
-
-	  __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
-		 : "f" (__imag__ x));
-	  sinh_val = m81(__ieee754_sinh) (__real__ x);
-	  __real__ retval = cos_ix * sinh_val;
-	  __imag__ retval = sin_ix * sinh_val;
+      /* Imaginary part is finite.  */
+      float_type sin_ix, cos_ix;
 
-	  if (negate)
-	    __real__ retval = -__real__ retval;
-	}
-      else if (__real__ x == 0)
-	{
-	  __real__ retval = 0.0;
-	  __imag__ retval = 0.0/0.0;
-
-	  if (negate)
-	    __real__ retval = -__real__ retval;
-	}
+      __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
+	     : "f" (__imag__ x));
+      __real__ retval = cos_ix * m81(__ieee754_sinh) (__real__ x);
+      if (ix_cond & __M81_COND_ZERO)
+	__imag__ retval = __imag__ x;
       else
-	__real__ retval = __imag__ retval = 0.0/0.0;
+	__imag__ retval = sin_ix * m81(__ieee754_cosh) (__real__ x);
     }
-  else if (m81(__isinf) (__real__ x))
+  else
     {
-      if (__imag__ x == 0.0)
-	{
-	  __real__ retval = negate ? -huge_val : huge_val;
-	  __imag__ retval = __imag__ x;
-	}
-      else if (m81(__finite) (__imag__ x))
-	{
-	  float_type remainder, pi_2;
-	  int quadrant;
-	  __real__ retval = __imag__ retval = huge_val;
+      unsigned long rx_cond = __m81_test (__real__ x);
 
-	  __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2));
-	  __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1"
-		 : "=f" (remainder), "=dm" (quadrant)
-		 : "f" (pi_2), "0" (__imag__ x));
-	  quadrant = (quadrant >> 16) & 0x83;
-	  if (quadrant & 0x80)
-	    quadrant ^= 0x83;
-	  if (negate)
-	    quadrant ^= 1;
-	  switch (quadrant)
-	    {
-	    default:
-	      break;
-	    case 1:
-	      __real__ retval = -__real__ retval;
-	      break;
-	    case 2:
-	      __real__ retval = -__real__ retval;
-	    case 3:
-	      __imag__ retval = -__imag__ retval;
-	      break;
-	    }
-	}
+      __imag__ retval = __imag__ x - __imag__ x;
+      if (rx_cond & (__M81_COND_ZERO|__M81_COND_INF|__M81_COND_NAN))
+	__real__ retval = __real__ x;
       else
-	{
-	  /* The subtraction raises the invalid exception.  */
-	  __real__ retval = huge_val;
-	  __imag__ retval = huge_val - huge_val;
-	}
+	__real__ retval = __imag__ retval;
     }
-  else if (__imag__ x == 0.0)
-    {
-      __real__ retval = 0.0/0.0;
-      __imag__ retval = __imag__ x;
-    }
-  else
-    __real__ retval = __imag__ retval = 0.0/0.0;
 
   return retval;
 }
diff --git a/sysdeps/m68k/fpu/s_csinhf.c b/sysdeps/m68k/fpu/s_csinhf.c
index 42c114b961..2f7a43e6a8 100644
--- a/sysdeps/m68k/fpu/s_csinhf.c
+++ b/sysdeps/m68k/fpu/s_csinhf.c
@@ -1,4 +1,3 @@
 #define SUFF f
 #define float_type float
-#define huge_val HUGE_VALF
 #include <s_csinh.c>
diff --git a/sysdeps/m68k/fpu/s_csinhl.c b/sysdeps/m68k/fpu/s_csinhl.c
index c8aa5c7d27..026a20e7be 100644
--- a/sysdeps/m68k/fpu/s_csinhl.c
+++ b/sysdeps/m68k/fpu/s_csinhl.c
@@ -1,4 +1,3 @@
 #define SUFF l
 #define float_type long double
-#define huge_val HUGE_VALL
 #include <s_csinh.c>
diff --git a/sysdeps/m68k/fpu/s_csinl.c b/sysdeps/m68k/fpu/s_csinl.c
new file mode 100644
index 0000000000..ea2dad0556
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_csinl.c
@@ -0,0 +1,3 @@
+#define SUFF l
+#define float_type long double
+#include <s_csin.c>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-17 01:29:11 +0000