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-rw-r--r--sysdeps/m68k/bsd-_setjmp.S28
-rw-r--r--sysdeps/m68k/bsd-setjmp.S28
-rw-r--r--sysdeps/m68k/elf/start.S34
-rw-r--r--sysdeps/m68k/fpu/bits/mathdef.h2
-rw-r--r--sysdeps/m68k/fpu/bits/mathinline.h36
-rw-r--r--sysdeps/m68k/fpu/s_ilogb.c26
-rw-r--r--sysdeps/m68k/fpu/s_ilogbf.c2
-rw-r--r--sysdeps/m68k/fpu/s_ilogbl.c2
8 files changed, 75 insertions, 83 deletions
diff --git a/sysdeps/m68k/bsd-_setjmp.S b/sysdeps/m68k/bsd-_setjmp.S
index dc1f52c6aa..f1551521d3 100644
--- a/sysdeps/m68k/bsd-_setjmp.S
+++ b/sysdeps/m68k/bsd-_setjmp.S
@@ -1,21 +1,21 @@
 /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  m68k version.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-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 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.
+   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., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   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.  */
 
 /* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
    We cannot do it in C because it must be a tail-call, so frame-unwinding
diff --git a/sysdeps/m68k/bsd-setjmp.S b/sysdeps/m68k/bsd-setjmp.S
index 7158907cfe..8074719639 100644
--- a/sysdeps/m68k/bsd-setjmp.S
+++ b/sysdeps/m68k/bsd-setjmp.S
@@ -1,21 +1,21 @@
 /* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  m68k version.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-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 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.
+   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., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   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.  */
 
 /* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
    We cannot do it in C because it must be a tail-call, so frame-unwinding
diff --git a/sysdeps/m68k/elf/start.S b/sysdeps/m68k/elf/start.S
index 1b622d6e08..6c7cd4b99d 100644
--- a/sysdeps/m68k/elf/start.S
+++ b/sysdeps/m68k/elf/start.S
@@ -1,33 +1,33 @@
 /* Startup code compliant to the ELF m68k ABI.
-Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-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 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.
+   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., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   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.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.  The SVR4/m68k ABI says that when the entry point runs,
    most registers' values are unspecified, except for:
 
    %a1		Contains a function pointer to be registered with `atexit'.
-   		This is how the dynamic linker arranges to have DT_FINI
+		This is how the dynamic linker arranges to have DT_FINI
 		functions called for shared libraries that have been loaded
 		before this code runs.
 
    %sp		The stack contains the arguments and environment:
-   		0(%sp)			argc
+		0(%sp)			argc
 		4(%sp)			argv[0]
 		...
 		(4*argc)(%sp)		NULL
@@ -36,7 +36,7 @@ Cambridge, MA 02139, USA.  */
 					NULL
 */
 
-	.text	
+	.text
 	.globl _start
 _start:
 	/* Clear the frame pointer.  The ABI suggests this be done, to mark
diff --git a/sysdeps/m68k/fpu/bits/mathdef.h b/sysdeps/m68k/fpu/bits/mathdef.h
index 4eaa58a3a9..c2b4eff920 100644
--- a/sysdeps/m68k/fpu/bits/mathdef.h
+++ b/sysdeps/m68k/fpu/bits/mathdef.h
@@ -36,5 +36,5 @@ typedef long double double_t;	/* `double' expressions are evaluated as
 #define INFINITY	HUGE_VALL
 
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
-#define FP_ILOGB0	0
+#define FP_ILOGB0	0x80000000
 #define FP_ILOGBNAN	0x7fffffff
diff --git a/sysdeps/m68k/fpu/bits/mathinline.h b/sysdeps/m68k/fpu/bits/mathinline.h
index 8899b752ff..79245c07a1 100644
--- a/sysdeps/m68k/fpu/bits/mathinline.h
+++ b/sysdeps/m68k/fpu/bits/mathinline.h
@@ -44,12 +44,12 @@
    is the name of the fpu operation (without leading f).  */
 
 #if defined __USE_MISC || defined __USE_ISOC9X
-#define	__inline_mathop(func, op)			\
+# define __inline_mathop(func, op)			\
   __inline_mathop1(double, func, op)			\
   __inline_mathop1(float, __CONCAT(func,f), op)		\
   __inline_mathop1(long double, __CONCAT(func,l), op)
 #else
-#define	__inline_mathop(func, op)			\
+# define __inline_mathop(func, op)			\
   __inline_mathop1(double, func, op)
 #endif
 
@@ -257,17 +257,6 @@ __m81_defun (int, __CONCAT(__signbit,s), (float_type __value))		  \
   return (__fpsr >> 27) & 1;						  \
 }									  \
 									  \
-__m81_defun (int, __CONCAT(__ilogb,s), (float_type __x))		  \
-{									  \
-  float_type __result;							  \
-  if (__m81_u(__CONCAT(__isnan,s)) (__x))				  \
-    /* The stupid standard requires us to return a specific value where	  \
-       it would depend on the bitpattern of the NaN.  */		  \
-    return 0x7fffffff;							  \
-  __asm("fgetexp%.x %1, %0" : "=f" (__result) : "f" (__x));		  \
-  return (int) __result;						  \
-}									  \
-									  \
 __m81_defun (float_type, __CONCAT(__scalbn,s),				  \
 	     (float_type __x, long int __n))				  \
 {									  \
@@ -341,7 +330,6 @@ __inline_forward_c(double,scalbn, (double __x, long int __n), (__x, __n))
 #ifndef __USE_ISOC9X /* Conflict with macro of same name.  */
 __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))
@@ -362,7 +350,6 @@ __inline_forward_c(int,isinff, (float __value), (__value))
 __inline_forward_c(int,finitef, (float __value), (__value))
 __inline_forward_c(float,scalbnf, (float __x, long 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))
@@ -382,7 +369,6 @@ __inline_forward_c(int,finitel, (long double __value), (__value))
 __inline_forward_c(long double,scalbnl, (long double __x, long int __n),
 		   (__x, __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))
@@ -405,48 +391,42 @@ __inline_forward(void,sincosl,
    m68k FPU supports this with special opcodes and we should use them.
    These must not be inline functions since we have to be able to handle
    all floating-point types.  */
-#undef isgreater
-#define isgreater(x, y)					\
+# define isgreater(x, y)					\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsogt %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
-#undef isgreaterequal
-#define isgreaterequal(x, y)				\
+# define isgreaterequal(x, y)				\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsoge %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
-#undef isless
-#define isless(x, y)					\
+# define isless(x, y)					\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsolt %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
-#undef islessequal
-#define islessequal(x, y)				\
+# define islessequal(x, y)				\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsole %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
-#undef islessgreater
-#define islessgreater(x, y)				\
+# define islessgreater(x, y)				\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsogl %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
-#undef isunordered
-#define isunordered(x, y)				\
+# define isunordered(x, y)				\
    __extension__					\
    ({ char __result;					\
       __asm__ ("fcmp%.x %2,%1; fsun %0"			\
diff --git a/sysdeps/m68k/fpu/s_ilogb.c b/sysdeps/m68k/fpu/s_ilogb.c
index a081a884d4..2d8f7d5082 100644
--- a/sysdeps/m68k/fpu/s_ilogb.c
+++ b/sysdeps/m68k/fpu/s_ilogb.c
@@ -19,21 +19,33 @@
 #define __LIBC_M81_MATH_INLINES
 #include <math.h>
 
-#ifndef FUNC
-#define FUNC ilogb
+#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))
 
 int
-__CONCATX(__,FUNC) (x)
-     float_type x;
+s(__ilogb) (float_type x)
 {
-  return __m81_u(__CONCATX(__,FUNC))(x);
+  float_type result;
+  unsigned long x_cond;
+
+  x_cond = __m81_test (x);
+  /* We must return consistent values for zero and NaN.  */
+  if (x_cond & __M81_COND_ZERO)
+    return FP_ILOGB0;
+  if (x_cond & (__M81_COND_NAN | __M81_COND_INF))
+    return FP_ILOGBNAN;
+
+  __asm ("fgetexp%.x %1, %0" : "=f" (result) : "f" (x));
+  return (int) result;
 }
 
 #define weak_aliasx(a,b) weak_alias(a,b)
-weak_aliasx (__CONCATX(__,FUNC), FUNC)
+weak_aliasx (s(__ilogb), s(ilogb))
diff --git a/sysdeps/m68k/fpu/s_ilogbf.c b/sysdeps/m68k/fpu/s_ilogbf.c
index c0c2ffd18d..4031c42ff7 100644
--- a/sysdeps/m68k/fpu/s_ilogbf.c
+++ b/sysdeps/m68k/fpu/s_ilogbf.c
@@ -1,3 +1,3 @@
-#define FUNC ilogbf
+#define SUFF f
 #define float_type float
 #include <s_ilogb.c>
diff --git a/sysdeps/m68k/fpu/s_ilogbl.c b/sysdeps/m68k/fpu/s_ilogbl.c
index c3554d5c58..9c55a115e0 100644
--- a/sysdeps/m68k/fpu/s_ilogbl.c
+++ b/sysdeps/m68k/fpu/s_ilogbl.c
@@ -1,3 +1,3 @@
-#define FUNC ilogbl
+#define SUFF l
 #define float_type long double
 #include <s_ilogb.c>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-24 09:18:30 +0000