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2007-01-12  Steven Munroe  <sjmunroe@us.ibm.com>
	    Joe Kerian  <jkerian@us.us.ibm.com>

	[BZ #2749]
	* sysdeps/ieee754/ldbl-128ibm/s_copysignl.c:
	Include <math_ldbl_opt.h>.
	Remove weak_alias.  Use long_double_symbol macro.
	(__copysignl): Use signbit() for comparison.
	* sysdeps/ieee754/ldbl-128ibm/s_fabsl.c: Correct parms for
	SET_LDOUBLE_WORDS64.

	[BZ #2423, #2749]
	* sysdeps/ieee754/ldbl-128ibm/s_ceill.c: Don't include <fenv_libc.h>.
	(__ceill): Remove calls to fegetround(), fesetround().
	* sysdeps/ieee754/ldbl-128ibm/s_floorl.c: Likewise.
	* sysdeps/ieee754/ldbl-128ibm/s_roundl.c: Likewise.
	* sysdeps/ieee754/ldbl-128ibm/s_truncl.c: Likewise.

diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_ceill.c libc24/sysdeps/ieee754/ldbl-128ibm/s_ceill.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_ceill.c	2006-03-16 05:46:37.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_ceill.c	2007-01-11 10:30:12.856890432 -0600
@@ -19,7 +19,6 @@
    02111-1307 USA.  */
 
 #include <math.h>
-#include <fenv_libc.h>
 #include <math_ldbl_opt.h>
 #include <float.h>
 #include <ieee754.h>
@@ -44,11 +43,9 @@
 					     __builtin_inf ()), 1))
     {
       double orig_xh;
-      int save_round = fegetround ();
 
       /* Long double arithmetic, including the canonicalisation below,
 	 only works in round-to-nearest mode.  */
-      fesetround (FE_TONEAREST);
 
       /* Convert the high double to integer.  */
       orig_xh = xh;
@@ -81,8 +78,6 @@
       /* Ensure we return -0 rather than +0 when appropriate.  */
       if (orig_xh < 0.0)
 	xh = -__builtin_fabs (xh);
-
-      fesetround (save_round);
     }
 
   return ldbl_pack (xh, xl);
diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c libc24/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c	2006-01-27 18:07:25.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c	2007-01-11 10:30:12.857890280 -0600
@@ -25,6 +25,7 @@
 
 #include "math.h"
 #include "math_private.h"
+#include <math_ldbl_opt.h>
 
 #ifdef __STDC__
 	long double __copysignl(long double x, long double y)
@@ -33,13 +34,13 @@
 	long double x,y;
 #endif
 {
-  if (y < 0.0)
-    {
-      if (x >= 0.0)
-	x = -x;
-    }
-  else if (x < 0.0)
+  if( signbit(x) != signbit(y) )
     x = -x;
   return x;
 }
-weak_alias (__copysignl, copysignl)
+
+#ifdef IS_IN_libm
+long_double_symbol (libm, __copysignl, copysignl);
+#else
+long_double_symbol (libc, __copysignl, copysignl);
+#endif
diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c libc24/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c	2006-01-27 18:07:25.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c	2007-01-11 10:30:12.857890280 -0600
@@ -37,7 +37,7 @@
 	GET_LDOUBLE_WORDS64(hx,lx,x);
 	lx = lx ^ ( hx & 0x8000000000000000LL );
 	hx = hx & 0x7fffffffffffffffLL;
-	SET_LDOUBLE_WORDS64(hx,lx,x);
+	SET_LDOUBLE_WORDS64(x,hx,lx);
         return x;
 }
 long_double_symbol (libm, __fabsl, fabsl);
diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_floorl.c libc24/sysdeps/ieee754/ldbl-128ibm/s_floorl.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_floorl.c	2006-03-16 05:46:37.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_floorl.c	2007-01-11 10:30:12.858890128 -0600
@@ -19,7 +19,6 @@
    02111-1307 USA.  */
 
 #include <math.h>
-#include <fenv_libc.h>
 #include <math_ldbl_opt.h>
 #include <float.h>
 #include <ieee754.h>
@@ -43,11 +42,8 @@
 			&& __builtin_isless (__builtin_fabs (xh),
 					     __builtin_inf ()), 1))
     {
-      int save_round = fegetround ();
-
       /* Long double arithmetic, including the canonicalisation below,
 	 only works in round-to-nearest mode.  */
-      fesetround (FE_TONEAREST);
 
       /* Convert the high double to integer.  */
       hi = ldbl_nearbyint (xh);
@@ -75,8 +71,6 @@
       xh = hi;
       xl = lo;
       ldbl_canonicalize (&xh, &xl);
-
-      fesetround (save_round);
     }
 
   return ldbl_pack (xh, xl);
diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_roundl.c libc24/sysdeps/ieee754/ldbl-128ibm/s_roundl.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_roundl.c	2006-03-16 05:46:37.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_roundl.c	2007-01-11 10:30:12.859889976 -0600
@@ -22,7 +22,6 @@
    when it's coded in C.  */
 
 #include <math.h>
-#include <fenv_libc.h>
 #include <math_ldbl_opt.h>
 #include <float.h>
 #include <ieee754.h>
@@ -47,11 +46,9 @@
 					     __builtin_inf ()), 1))
     {
       double orig_xh;
-      int save_round = fegetround ();
 
       /* Long double arithmetic, including the canonicalisation below,
 	 only works in round-to-nearest mode.  */
-      fesetround (FE_TONEAREST);
 
       /* Convert the high double to integer.  */
       orig_xh = xh;
@@ -88,8 +85,6 @@
       xh = hi;
       xl = lo;
       ldbl_canonicalize (&xh, &xl);
-
-      fesetround (save_round);
     }
 
   return ldbl_pack (xh, xl);
diff -urN libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_truncl.c libc24/sysdeps/ieee754/ldbl-128ibm/s_truncl.c
--- libc25-cvstip-20070104/sysdeps/ieee754/ldbl-128ibm/s_truncl.c	2006-03-16 05:46:37.000000000 -0600
+++ libc24/sysdeps/ieee754/ldbl-128ibm/s_truncl.c	2007-01-11 10:30:12.860889824 -0600
@@ -22,7 +22,6 @@
    when it's coded in C.  */
 
 #include <math.h>
-#include <fenv_libc.h>
 #include <math_ldbl_opt.h>
 #include <float.h>
 #include <ieee754.h>
@@ -47,11 +46,9 @@
 					     __builtin_inf ()), 1))
     {
       double orig_xh;
-      int save_round = fegetround ();
 
       /* Long double arithmetic, including the canonicalisation below,
 	 only works in round-to-nearest mode.  */
-      fesetround (FE_TONEAREST);
 
       /* Convert the high double to integer.  */
       orig_xh = xh;
@@ -92,8 +89,6 @@
       /* Ensure we return -0 rather than +0 when appropriate.  */
       if (orig_xh < 0.0)
 	xh = -__builtin_fabs (xh);
-
-      fesetround (save_round);
     }
 
   return ldbl_pack (xh, xl);