* misc/efgcvt_r.c (ecvt_r): Handle negative values.

	* stdlib/stdlib.h: Replace __CONSTVALUE by attribute.
	* stdlib/abs.c, stdlib/div.c, stdlib/labs.c, stdlib/ldiv.c,
	sysdeps/generic/hypot.c: Remove obsolete __CONSTVALUE.

	* stdio-common/printf_fp.c (__printf_fp): Fix parameter
	declaration.

	* sysdeps/generic/putenv.c (putenv): Fix second argument of
	setenv.

	* sysdeps/ieee754/hypot.c: New file, extracted out of cabs.c.
	* sysdeps/ieee754/cabs.c: Don't define hypot here.

	* sysdeps/ieee754/ieee754.h (union ieee854_long_double): Fix
	definition of ieee_nan alternative.

	* sysdeps/m68k/__longjmp.c, sysdeps/m68k/setjmp.c: Add register
 	prefix spec.

	* sysdeps/m68k/ffs.c (ffs): Fix register constraint.

	* sysdeps/m68k/fpu/__math.h: Include <errno.h>.  Replace obsolete
	__CONSTVALUE by attribute.
	(floor): Round to negative infinity.
	(rint, expm1) [__NO_MATH_INLINES]: Don't define, to avoid type
	clash when compiling source.
	(pow): Handle x == 0 and x < 0.
	(ceil, __isinf, __isnan): Fix register constraints.
	(__isinfl, __isnanl): Added.
	* sysdeps/m68k/fpu/acos.c, sysdeps/m68k/fpu/atan2.c,
	sysdeps/m68k/fpu/fmod.c, sysdeps/m68k/fpu/ldexp.c,
	sysdeps/m68k/fpu/pow.c: Remove obsolete __CONSTVALUE.

	* sysdeps/m68k/bsd-_setjmp.S, sysdeps/m68k/bsd-setjmp.S: Fix
	assembler syntax.

	* sysdeps/unix/bsd/bsd4.4/fchdir.S (fchdir): Take only one
 	argument.

	* sysdeps/unix/bsd/clock.c (timeval_to_clock_t): Fix timeval to
	clock_t conversion.
	(clock): Don't multiply by CLOCKS_PER_SEC.

	* sysdeps/unix/bsd/poll.c (poll): Fix msec to timeval conversion.

	* sysdeps/unix/bsd/sun/m68k/brk.S (brk): Compare with address of
	__end.

	* sysdeps/unix/bsd/sun/m68k/vfork.S: Fix assembler syntax.

	* sysdeps/unix/bsd/ualarm.c (ualarm): Fix timeval calculation.

	* sysdeps/unix/bsd/vax/vfork.S: Remove duplicate label.

11 files changed, 134 insertions, 39 deletions

diff --git a/sysdeps/m68k/__longjmp.c b/sysdeps/m68k/__longjmp.c
index 4fc61084a0..92dd803c17 100644
--- a/sysdeps/m68k/__longjmp.c
+++ b/sysdeps/m68k/__longjmp.c
@@ -29,22 +29,21 @@ __longjmp (__jmp_buf env, int val)
 
 #if	defined(__HAVE_68881__) || defined(__HAVE_FPU__)
   /* Restore the floating-point registers.  */
-  asm volatile("fmovem%.x %0, fp0-fp7" :
-	       /* No outputs.  */ : "g" (env[0].__fpregs[0]) :
-	       "fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7");
+  asm volatile("fmovem%.x %0, %/fp0-%/fp7" :
+	       /* No outputs.  */ : "g" (env[0].__fpregs[0]));
 #endif
 
   /* Put VAL in D0.  */
-  asm volatile("move%.l %0, d0" : /* No outputs.  */ :
+  asm volatile("move%.l %0, %/d0" : /* No outputs.  */ :
 	       "g" (val == 0 ? 1 : val) : "d0");
 
   asm volatile(/* Restore the data and address registers.  */
-	       "movem%.l %0, d1-d7/a0-a7\n"
+	       "movem%.l %0, %/d1-%/d7/%/a0-%/a7\n"
 	       /* Return to setjmp's caller.  */
 #ifdef __motorola__
-	       "jmp (a0)"
+	       "jmp (%/a0)"
 #else
-	       "jmp a0@"
+	       "jmp %/a0@"
 #endif
 	       : /* No outputs.  */ : "g" (env[0].__dregs[0])
 	       /* We don't bother with the clobbers,
diff --git a/sysdeps/m68k/bsd-_setjmp.S b/sysdeps/m68k/bsd-_setjmp.S
index a0b639306d..69aa7de04c 100644
--- a/sysdeps/m68k/bsd-_setjmp.S
+++ b/sysdeps/m68k/bsd-_setjmp.S
@@ -26,17 +26,23 @@ Cambridge, MA 02139, USA.  */
 #ifdef MOTOROLA_SYNTAX
 #define d0 %d0
 #define d1 %d1
-#define PUSH(reg)	move.l reg, -(%esp)
-#define POP(reg)	move.l (%esp)+, reg
+#define PUSH(reg)	move.l reg, -(%sp)
+#define POP(reg)	move.l (%sp)+, reg
+#define PUSH0		clr.l -(%sp)
 #else
 #define PUSH(reg)	movel reg, sp@-
 #define POP(reg)	movel sp@+, reg
+#define PUSH0		clrl sp@-
 #endif
 
 ENTRY (_setjmp)
 	POP (d0)		/* Pop return PC.  */
 	POP (d1)		/* Pop jmp_buf argument.  */
-	PUSH (#0)		/* Push second argument of zero.  */
+	PUSH0			/* Push second argument of zero.  */
 	PUSH (d1)		/* Push back first argument.  */
 	PUSH (d0)		/* Push back return PC.  */
+#ifdef PIC
+	bra.l C_SYMBOL_NAME (__sigsetjmp@PLTPC)
+#else
 	jmp C_SYMBOL_NAME (__sigsetjmp)
+#endif
diff --git a/sysdeps/m68k/bsd-setjmp.S b/sysdeps/m68k/bsd-setjmp.S
index d218b44279..c853516824 100644
--- a/sysdeps/m68k/bsd-setjmp.S
+++ b/sysdeps/m68k/bsd-setjmp.S
@@ -26,8 +26,8 @@ Cambridge, MA 02139, USA.  */
 #ifdef MOTOROLA_SYNTAX
 #define d0 %d0
 #define d1 %d1
-#define PUSH(reg)	move.l reg, -(%esp)
-#define POP(reg)	move.l (%esp)+, reg
+#define PUSH(reg)	move.l reg, -(%sp)
+#define POP(reg)	move.l (%sp)+, reg
 #else
 #define PUSH(reg)	movel reg, sp@-
 #define POP(reg)	movel sp@+, reg
@@ -36,7 +36,11 @@ Cambridge, MA 02139, USA.  */
 ENTRY (setjmp)
 	POP (d0)		/* Pop return PC.  */
 	POP (d1)		/* Pop jmp_buf argument.  */
-	PUSH (#1)		/* Push second argument of one.  */
+	pea 1			/* Push second argument of one.  */
 	PUSH (d1)		/* Push back first argument.  */
 	PUSH (d0)		/* Push back return PC.  */
+#ifdef PIC
+	bra.l C_SYMBOL_NAME (__sigsetjmp@PLTPC)
+#else
 	jmp C_SYMBOL_NAME (__sigsetjmp)
+#endif
diff --git a/sysdeps/m68k/ffs.c b/sysdeps/m68k/ffs.c
index d9ec2b1ced..9de7cf3c41 100644
--- a/sysdeps/m68k/ffs.c
+++ b/sysdeps/m68k/ffs.c
@@ -30,7 +30,7 @@ DEFUN(ffs, (x), int x)
 {
   int cnt;
 
-  asm("bfffo %1{#0:#0},%0" : "=d" (cnt) : "rm" (x & -x));
+  asm("bfffo %1{#0:#0},%0" : "=d" (cnt) : "dm" (x & -x));
 
   return 32 - cnt;
 }
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index a9ae2d966c..e357364fb7 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -19,6 +19,8 @@ Cambridge, MA 02139, USA.  */
 #ifdef	__GNUC__
 
 #include <sys/cdefs.h>
+#define __need_Emath
+#include <errno.h>
 
 #ifdef	__NO_MATH_INLINES
 /* This is used when defining the functions themselves.  Define them with
@@ -28,12 +30,14 @@ Cambridge, MA 02139, USA.  */
 #define __m81_inline	static __inline
 #else
 #define	__m81_u(x)	x
-#define __m81_inline	exter __inline
+#define __m81_inline	extern __inline
 #define	__MATH_INLINES	1
 #endif
 
 #define	__inline_mathop2(func, op)					      \
-  __m81_inline __CONSTVALUE double					      \
+  __m81_inline double							      \
+  __m81_u(func)(double __mathop_x) __attribute__((__const__));		      \
+  __m81_inline double							      \
   __m81_u(func)(double __mathop_x)					      \
   {									      \
     double __result;							      \
@@ -55,20 +59,23 @@ __inline_mathop2(exp, etox)
 __inline_mathop2(fabs, abs)
 __inline_mathop(log10)
 __inline_mathop2(log, logn)
-__inline_mathop2(floor, intrz)
 __inline_mathop(sqrt)
 
 __inline_mathop2(__rint, int)
 __inline_mathop2(__expm1, etoxm1)
 
 #ifdef	__USE_MISC
+#ifndef __NO_MATH_INLINES
 __inline_mathop2(rint, int)
 __inline_mathop2(expm1, etoxm1)
+#endif
 __inline_mathop2(log1p, lognp1)
 __inline_mathop(atanh)
 #endif
 
-__m81_inline __CONSTVALUE double
+__m81_inline double
+__m81_u(__drem)(double __x, double __y) __attribute__ ((__const__));
+__m81_inline double
 __m81_u(__drem)(double __x, double __y)
 {
   double __result;
@@ -76,7 +83,9 @@ __m81_u(__drem)(double __x, double __y)
   return __result;
 }
 
-__m81_inline __CONSTVALUE double
+__m81_inline double
+__m81_u(ldexp)(double __x, int __e) __attribute__ ((__const__));
+__m81_inline double
 __m81_u(ldexp)(double __x, int __e)
 {
   double __result;
@@ -85,7 +94,9 @@ __m81_u(ldexp)(double __x, int __e)
   return __result;
 }
 
-__m81_inline __CONSTVALUE double
+__m81_inline double
+__m81_u(fmod)(double __x, double __y) __attribute__ ((__const__));
+__m81_inline double
 __m81_u(fmod)(double __x, double __y)
 {
   double __result;
@@ -103,11 +114,39 @@ __m81_u(frexp)(double __value, int *__expptr)
   return __mantissa;
 }
 
-__m81_inline __CONSTVALUE double
+__m81_inline double
+__m81_u(floor)(double __x) __attribute__ ((__const__));
+__m81_inline double
+__m81_u(floor)(double __x)
+{
+  double __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_inline double
+__m81_u(pow)(double __x, double __y) __attribute__ ((__const__));
+__m81_inline double
 __m81_u(pow)(double __x, double __y)
 {
   double __result;
-  if (__y == 0.0 || __x == 1.0)
+  if (__x == 0.0)
+    {
+      if (__y <= 0.0)
+	__result = __infnan (EDOM);
+      else
+	__result = 0.0;
+    }
+  else if (__y == 0.0 || __x == 1.0)
     __result = 1.0;
   else if (__y == 1.0)
     __result = __x;
@@ -117,23 +156,40 @@ __m81_u(pow)(double __x, double __y)
     __asm("ftentox%.x %1, %0" : "=f" (__result) : "f" (__y));
   else if (__x == 2.0)
     __asm("ftwotox%.x %1, %0" : "=f" (__result) : "f" (__y));
+  else if (__x < 0.0)
+    {
+      double __temp = __m81_u (__rint) (__y);
+      if (__y == __temp)
+	{
+	  int i = (int) __y;
+	  __result = __m81_u (exp) (__y * __m81_u (log) (-__x));
+	  if (i & 1)
+	    __result = -__result;
+	}
+      else
+	__result = __infnan (EDOM);
+    }
   else
     __result = __m81_u(exp)(__y * __m81_u(log)(__x));
   return __result;
 }
 
-__m81_inline __CONSTVALUE double
+__m81_inline double
+__m81_u(ceil)(double __x) __attribute__ ((__const__));
+__m81_inline double
 __m81_u(ceil)(double __x)
 {
   double __result;
   unsigned long int __ctrl_reg;
-  __asm("fmove%.l fpcr, %0" : "=g" (__ctrl_reg));
+  __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));
   /* Set rounding towards positive infinity.  */
-  __asm("fmove%.l %0, fpcr" : /* No outputs.  */ : "g" (__ctrl_reg | 0x30));
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */
+		      : "dmi" (__ctrl_reg | 0x30));
   /* Convert X to an integer, using +Inf rounding.  */
-  __asm("fint%.x %1, %0" : "=f" (__result) : "f" (__x));
+  __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));
   /* Restore the previous rounding mode.  */
-  __asm("fmove%.l %0, fpcr" : /* No outputs.  */ : "g" (__ctrl_reg));
+  __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs.  */
+		      : "dmi" (__ctrl_reg));
   return __result;
 }
 
@@ -145,23 +201,51 @@ __m81_u(modf)(double __value, double *__iptr)
   return __value - __modf_int;
 }
 
-__m81_inline __CONSTVALUE int
+__m81_inline int
+__m81_u(__isinf)(double __value) __attribute__ ((__const__));
+__m81_inline int
 __m81_u(__isinf)(double __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" : "=g" (__fpsr) : "f" (__value));
+	"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
   return (__fpsr & (2 << (3 * 8))) ? (__value < 0 ? -1 : 1) : 0;
 }
 
-__m81_inline __CONSTVALUE int
+__m81_inline int
+__m81_u(__isnan)(double __value) __attribute__ ((__const__));
+__m81_inline int
 __m81_u(__isnan)(double __value)
 {
   char __result;
   __asm("ftst%.x %1\n"
-	"fsun %0" : "=g" (__result) : "f" (__value));
+	"fsun %0" : "=dm" (__result) : "f" (__value));
+  return __result;
+}
+
+__m81_inline int
+__m81_u(__isinfl)(long double __value) __attribute__ ((__const__));
+__m81_inline int
+__m81_u(__isinfl)(long double __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 << (3 * 8))) ? (__value < 0 ? -1 : 1) : 0;
+}
+
+__m81_inline int
+__m81_u(__isnanl)(long double __value) __attribute__ ((__const__));
+__m81_inline int
+__m81_u(__isnanl)(long double __value)
+{
+  char __result;
+  __asm("ftst%.x %1\n"
+	"fsun %0" : "=dm" (__result) : "f" (__value));
   return __result;
 }
 
diff --git a/sysdeps/m68k/fpu/acos.c b/sysdeps/m68k/fpu/acos.c
index d4be88f17c..1481ce2cd9 100644
--- a/sysdeps/m68k/fpu/acos.c
+++ b/sysdeps/m68k/fpu/acos.c
@@ -25,7 +25,7 @@ Cambridge, MA 02139, USA.  */
 #endif
 
 
-__CONSTVALUE double
+double
 DEFUN(FUNC, (x), double x)
 {
   return __m81_u(FUNC)(x);
diff --git a/sysdeps/m68k/fpu/atan2.c b/sysdeps/m68k/fpu/atan2.c
index 1efdb1f7a6..753b7f04af 100644
--- a/sysdeps/m68k/fpu/atan2.c
+++ b/sysdeps/m68k/fpu/atan2.c
@@ -21,7 +21,7 @@ Cambridge, MA 02139, USA.  */
 
 #ifdef	__GNUC__
 
-__CONSTVALUE double
+double
 DEFUN(atan2, (y, x), double y AND double x)
 {
   static CONST double one = 1.0, zero = 0.0;
diff --git a/sysdeps/m68k/fpu/fmod.c b/sysdeps/m68k/fpu/fmod.c
index 9a6c8cd162..e3a2de0689 100644
--- a/sysdeps/m68k/fpu/fmod.c
+++ b/sysdeps/m68k/fpu/fmod.c
@@ -20,7 +20,7 @@ Cambridge, MA 02139, USA.  */
 #define	__NO_MATH_INLINES
 #include <math.h>
 
-__CONSTVALUE double
+double
 DEFUN(fmod, (x, y), double x AND double y)
 {
   return __fmod(x, y);
diff --git a/sysdeps/m68k/fpu/ldexp.c b/sysdeps/m68k/fpu/ldexp.c
index ba912805d6..7e34882282 100644
--- a/sysdeps/m68k/fpu/ldexp.c
+++ b/sysdeps/m68k/fpu/ldexp.c
@@ -20,7 +20,7 @@ Cambridge, MA 02139, USA.  */
 #define	__NO_MATH_INLINES
 #include <math.h>
 
-__CONSTVALUE double
+double
 DEFUN(ldexp, (x, exp), double x AND int exp)
 {
   return __ldexp(x, exp);
diff --git a/sysdeps/m68k/fpu/pow.c b/sysdeps/m68k/fpu/pow.c
index 3360020f1d..5ace4dad2f 100644
--- a/sysdeps/m68k/fpu/pow.c
+++ b/sysdeps/m68k/fpu/pow.c
@@ -20,7 +20,7 @@ Cambridge, MA 02139, USA.  */
 #define	__NO_MATH_INLINES
 #include <math.h>
 
-__CONSTVALUE double
+double
 DEFUN(pow, (x, y), double x AND double y)
 {
   return __pow(x, y);
diff --git a/sysdeps/m68k/setjmp.c b/sysdeps/m68k/setjmp.c
index 853977eab9..95c723c122 100644
--- a/sysdeps/m68k/setjmp.c
+++ b/sysdeps/m68k/setjmp.c
@@ -23,13 +23,15 @@ int
 __sigsetjmp (jmp_buf env, int savemask)
 {
   /* Save data registers D1 through D7.  */
-  asm volatile ("movem%.l d1-d7, %0" : : "m" (env[0].__jmpbuf[0].__dregs[0]));
+  asm volatile ("movem%.l %/d1-%/d7, %0"
+		: : "m" (env[0].__jmpbuf[0].__dregs[0]));
 
   /* Save return address in place of register A0.  */
   env[0].__jmpbuf[0].__aregs[0] = ((void **) &env)[-1];
 
   /* Save address registers A1 through A5.  */
-  asm volatile ("movem%.l a1-a5, %0" : : "m" (env[0].__jmpbuf[0].__aregs[1]));
+  asm volatile ("movem%.l %/a1-%/a5, %0"
+		: : "m" (env[0].__jmpbuf[0].__aregs[1]));
 
   /* Save caller's FP, not our own.  */
   env[0].__jmpbuf[0].__fp = ((void **) &env)[-2];
@@ -39,7 +41,7 @@ __sigsetjmp (jmp_buf env, int savemask)
 
 #if	defined(__HAVE_68881__) || defined(__HAVE_FPU__)
   /* Save floating-point (68881) registers FP0 through FP7.  */
-  asm volatile ("fmovem%.x fp0-fp7, %0"
+  asm volatile ("fmovem%.x %/fp0-%/fp7, %0"
 		: : "m" (env[0].__jmpbuf[0].__fpregs[0]));
 #endif