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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=714fad23c6f546c16a3f975cac984384a592537b

commit 714fad23c6f546c16a3f975cac984384a592537b
Author: Andreas Schwab <schwab@redhat.com>
Date:   Thu Oct 13 15:10:31 2011 +0200

    Fix PLT use in feupdateenv on x86_64

diff --git a/ChangeLog b/ChangeLog
index 36cd1e2..9e61f35 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2011-10-13  Andreas Schwab  <schwab@redhat.com>
 
+	* sysdeps/x86_64/fpu/fraiseexcpt.c: Add __feraiseexcept alias.
+	* sysdeps/x86_64/fpu/feupdateenv.c: Use __feraiseexcept instead of
+	feraiseexcept.
+
 	* sysdeps/x86_64/memrchr.S: Check for zero size.
 
 	* string/stratcliff.c: Add memrchr tests.
diff --git a/sysdeps/x86_64/fpu/feupdateenv.c b/sysdeps/x86_64/fpu/feupdateenv.c
index 291c56b..b2c6291 100644
--- a/sysdeps/x86_64/fpu/feupdateenv.c
+++ b/sysdeps/x86_64/fpu/feupdateenv.c
@@ -1,5 +1,5 @@
 /* Install given floating-point environment and raise exceptions.
-   Copyright (C) 1997,99,2000,01,07,2010 Free Software Foundation, Inc.
+   Copyright (C) 1997,99,2000,01,07,2010,2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -36,7 +36,7 @@ __feupdateenv (const fenv_t *envp)
   /* Raise the saved exception.  Incidently for us the implementation
      defined format of the values in objects of type fexcept_t is the
      same as the ones specified using the FE_* constants.  */
-  feraiseexcept ((int) temp);
+  __feraiseexcept ((int) temp);
 
   /* Success.  */
   return 0;
diff --git a/sysdeps/x86_64/fpu/fraiseexcpt.c b/sysdeps/x86_64/fpu/fraiseexcpt.c
index d1d3c03..d0f1422 100644
--- a/sysdeps/x86_64/fpu/fraiseexcpt.c
+++ b/sysdeps/x86_64/fpu/fraiseexcpt.c
@@ -1,5 +1,5 @@
 /* Raise given exceptions.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2011 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
@@ -21,7 +21,7 @@
 #include <math.h>
 
 int
-feraiseexcept (int excepts)
+__feraiseexcept (int excepts)
 {
   /* Raise exceptions represented by EXPECTS.  But we must raise only
      one signal at a time.  It is important that if the overflow/underflow
@@ -117,4 +117,4 @@ feraiseexcept (int excepts)
   /* Success.  */
   return 0;
 }
-libm_hidden_def (feraiseexcept)
+libm_hidden_ver (__feraiseexcept, feraiseexcept)

http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=81dcc7fb74a766f970800b9975e85b5fe7f6ea38

commit 81dcc7fb74a766f970800b9975e85b5fe7f6ea38
Author: Andreas Schwab <schwab@redhat.com>
Date:   Thu Oct 13 13:33:58 2011 +0200

    Check for zero size in memrchr for x86_64

diff --git a/ChangeLog b/ChangeLog
index a917b6e..36cd1e2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2011-10-13  Andreas Schwab  <schwab@redhat.com>
 
+	* sysdeps/x86_64/memrchr.S: Check for zero size.
+
 	* string/stratcliff.c: Add memrchr tests.
 
 2011-10-12  Liubov Dmitrieva  <liubov.dmitrieva@gmail.com>
diff --git a/sysdeps/x86_64/memrchr.S b/sysdeps/x86_64/memrchr.S
index 81b7a1c..70adca3 100644
--- a/sysdeps/x86_64/memrchr.S
+++ b/sysdeps/x86_64/memrchr.S
@@ -282,6 +282,9 @@ L(return_null):
 
 	.p2align 4
 L(length_less16_offset0):
+	test	%edx, %edx
+	jz	L(return_null)
+
 	mov	%dl, %cl
 	pcmpeqb	(%rdi), %xmm1
 

http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=5298ffa828f2a7fe9e16c7f8971273a36a7530e6

commit 5298ffa828f2a7fe9e16c7f8971273a36a7530e6
Author: Andreas Schwab <schwab@redhat.com>
Date:   Thu Oct 13 12:39:24 2011 +0200

    Add memrchr tests

diff --git a/ChangeLog b/ChangeLog
index 1b7499c..a917b6e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-10-13  Andreas Schwab  <schwab@redhat.com>
+
+	* string/stratcliff.c: Add memrchr tests.
+
 2011-10-12  Liubov Dmitrieva  <liubov.dmitrieva@gmail.com>
 
 	* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
diff --git a/string/stratcliff.c b/string/stratcliff.c
index 5165be2..5176409 100644
--- a/string/stratcliff.c
+++ b/string/stratcliff.c
@@ -1,5 +1,5 @@
 /* Test for string function add boundaries of usable memory.
-   Copyright (C) 1996,1997,1999-2003,2007,2009,2010
+   Copyright (C) 1996,1997,1999-2003,2007,2009,2010,2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -240,7 +240,7 @@ do_test (void)
 	    }
 	}
 
-      /* This function only exists for single-byte characters.  */
+      /* These functions only exist for single-byte characters.  */
 #ifndef WCSTEST
       /* rawmemchr test */
       for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
@@ -261,6 +261,37 @@ do_test (void)
 	      adr[middle] = L('T');
 	    }
 	}
+
+      /* memrchr test */
+      for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
+	{
+	  for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
+	    {
+	      adr[middle] = L('V');
+
+	      CHAR *cp = memrchr (&adr[outer], L('V'), nchars - outer);
+
+	      if (cp - &adr[outer] != middle - outer)
+		{
+		  printf ("%s flunked for outer = %d, middle = %d\n",
+			  STRINGIFY (memrchr), outer, middle);
+		  result = 1;
+		}
+
+	      adr[middle] = L('T');
+	    }
+	}
+      for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
+	{
+	  CHAR *cp = memrchr (&adr[outer], L('V'), nchars - outer);
+
+	  if (cp != NULL)
+	    {
+	      printf ("%s flunked for outer = %d\n",
+		      STRINGIFY (memrchr), outer);
+	      result = 1;
+	    }
+	}
 #endif
 
       /* strcpy/wcscpy test */

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

Summary of changes:
 ChangeLog                        |   10 ++++++++++
 string/stratcliff.c              |   35 +++++++++++++++++++++++++++++++++--
 sysdeps/x86_64/fpu/feupdateenv.c |    4 ++--
 sysdeps/x86_64/fpu/fraiseexcpt.c |    6 +++---
 sysdeps/x86_64/memrchr.S         |    3 +++
 5 files changed, 51 insertions(+), 7 deletions(-)


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