Community source repository for glibc add-on ports branch, master, updated. glibc-2.15-247-g41ddd7d

[schwab at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=41ddd7da3c04e8426f9b0220324a893dafacb95a

commit 41ddd7da3c04e8426f9b0220324a893dafacb95a
Author: Andreas Schwab <schwab@linux-m68k.org>
Date:   Mon May 21 21:18:45 2012 +0200

    m68k: properly implement logbl for Motorola extended float

diff --git a/ChangeLog.m68k b/ChangeLog.m68k
index 393f397..a6f1871 100644
--- a/ChangeLog.m68k
+++ b/ChangeLog.m68k
@@ -1,5 +1,7 @@
 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
 
+	* sysdeps/m68k/m680x0/fpu/s_logbl.c: New file.
+
 	* sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist: Update.
 	* sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist: Update.
 
diff --git a/sysdeps/m68k/m680x0/fpu/s_logbl.c b/sysdeps/m68k/m680x0/fpu/s_logbl.c
new file mode 100644
index 0000000..2586622
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/s_logbl.c
@@ -0,0 +1,49 @@
+/* s_logbl.c -- long double version of s_logb.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * long double logbl(x)
+ * IEEE 754 logb. Included to pass IEEE test suite. Not recommend.
+ * Use ilogb instead.
+ */
+
+#include <math.h>
+#include <math_private.h>
+
+long double
+__logbl (long double x)
+{
+  int32_t es, lx, ix;
+
+  GET_LDOUBLE_WORDS (es, ix, lx, x);
+  es &= 0x7fff;			/* exponent */
+  if ((es | ix | lx) == 0)
+    return -1.0 / fabsl (x);
+  if (es == 0x7fff)
+    return x * x;
+  if (es == 0)			/* IEEE 754 logb */
+    {
+      /* POSIX specifies that denormal number is treated as
+         though it were normalized.  */
+      if (ix == 0)
+	es = -(__builtin_clz (lx) + 32);
+      else
+	es = -__builtin_clz (ix);
+    }
+  return (long double) (es - 16383);
+}
+
+weak_alias (__logbl, logbl)

http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=2eaac3387763387bbcf1a02601d65d1d8584f4ce

commit 2eaac3387763387bbcf1a02601d65d1d8584f4ce
Author: Andreas Schwab <schwab@linux-m68k.org>
Date:   Mon May 21 17:37:13 2012 +0200

    m68k: update libc.abilist

diff --git a/ChangeLog.m68k b/ChangeLog.m68k
index 3c912da..393f397 100644
--- a/ChangeLog.m68k
+++ b/ChangeLog.m68k
@@ -1,3 +1,8 @@
+2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist: Update.
+	* sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist: Update.
+
 2012-05-14  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/unix/sysv/linux/m68k/configure.in (arch_minimum_kernel)
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist
index 8eeac7b..ca31ead 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libc.abilist
@@ -69,11 +69,13 @@ GLIBC_2.15
  scandirat64 F
 GLIBC_2.16
  GLIBC_2.16 A
+ __getauxval F
  __poll_chk F
  __ppoll_chk F
  aligned_alloc F
  c16rtomb F
  c32rtomb F
+ getauxval F
  mbrtoc16 F
  mbrtoc32 F
  timespec_get F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist
index 71bd0eb..c2706f1 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libc.abilist
@@ -1757,11 +1757,13 @@ GLIBC_2.15
  scandirat64 F
 GLIBC_2.16
  GLIBC_2.16 A
+ __getauxval F
  __poll_chk F
  __ppoll_chk F
  aligned_alloc F
  c16rtomb F
  c32rtomb F
+ getauxval F
  mbrtoc16 F
  mbrtoc32 F
  timespec_get F

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog.m68k                                     |    7 +++
 sysdeps/m68k/m680x0/fpu/s_logbl.c                  |   49 ++++++++++++++++++++
 .../sysv/linux/m68k/coldfire/nptl/libc.abilist     |    2 +
 .../unix/sysv/linux/m68k/m680x0/nptl/libc.abilist  |    2 +
 4 files changed, 60 insertions(+), 0 deletions(-)
 create mode 100644 sysdeps/m68k/m680x0/fpu/s_logbl.c


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