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GNU C Library master sources branch master updated. glibc-2.22-188-g3743036

From: sje at sourceware dot org
To: glibc-cvs at sourceware dot org
Date: 27 Aug 2015 15:12:27 -0000
Subject: GNU C Library master sources branch master updated. glibc-2.22-188-g3743036
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The branch, master has been updated
       via  37430363b865f2423bd58b4f0eaa779845ed7e71 (commit)
      from  ae857215dd4e4a7ae100728c636622a7e4c8a322 (commit)

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=37430363b865f2423bd58b4f0eaa779845ed7e71

commit 37430363b865f2423bd58b4f0eaa779845ed7e71
Author: Steve Ellcey <sellcey@mips.com>
Date:   Thu Aug 27 08:09:49 2015 -0700

        Fix undefined warning messages in GCC 6.
    
        GCC 6 puts out warnings in a different location then GCC 5.  Move the
        DIAG macros so that the warnings are supressed for both compilers.
    
        ChangeLog:
    
    	* soft-fp/fmasf4.c: Add include of sys/cdefs.h.
    	Move DIAG_PUSH_NEEDS_COMMENT, DIAG_IGNORE_NEEDS_COMMENT to front of
    	file, move DIAG_POP_NEEDS_COMMENT to end of file.
    	* soft-fp/fmadf4.c: Ditto.
    	* soft-fp/fmatf4.c: Ditto.

diff --git a/ChangeLog b/ChangeLog
index b852698..8e65558 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2015-08-27  Steve Ellcey  <sellcey@imgtec.com>
+
+	* soft-fp/fmasf4.c: Add include of sys/cdefs.h.
+	Move DIAG_PUSH_NEEDS_COMMENT, DIAG_IGNORE_NEEDS_COMMENT to front of
+	file, move DIAG_POP_NEEDS_COMMENT to end of file.
+	* soft-fp/fmadf4.c: Ditto.
+	* soft-fp/fmatf4.c: Ditto.
+
 2015-08-27  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/i386/i586/Implies: Removed.
diff --git a/soft-fp/fmadf4.c b/soft-fp/fmadf4.c
index da6749d..9330948 100644
--- a/soft-fp/fmadf4.c
+++ b/soft-fp/fmadf4.c
@@ -26,6 +26,19 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <libc-internal.h>
+#include <sys/cdefs.h>
+/* R_e is not set in cases where it is not used in packing, but the
+   compiler does not see that it is set in all cases where it is
+   used, resulting in warnings that it may be used uninitialized.
+   The location of the warning differs in different versions of GCC,
+   it may be where R is defined using a macro or it may be where the
+   macro is defined.  */
+DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (4, 7)
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+#else
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
+#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "double.h"
@@ -45,22 +58,13 @@ __fma (double a, double b, double c)
   FP_UNPACK_D (B, b);
   FP_UNPACK_D (C, c);
   FP_FMA_D (R, A, B, C);
-  /* R_e is not set in cases where it is not used in packing, but the
-     compiler does not see that it is set in all cases where it is
-     used, resulting in warnings that it may be used
-     uninitialized.  */
-  DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
   FP_PACK_D (r, R);
-  DIAG_POP_NEEDS_COMMENT;
   FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
+DIAG_POP_NEEDS_COMMENT;
+
 #ifndef __fma
 weak_alias (__fma, fma)
 #endif
diff --git a/soft-fp/fmasf4.c b/soft-fp/fmasf4.c
index b770a07..359d49c 100644
--- a/soft-fp/fmasf4.c
+++ b/soft-fp/fmasf4.c
@@ -26,6 +26,19 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <libc-internal.h>
+#include <sys/cdefs.h>
+/* R_e is not set in cases where it is not used in packing, but the
+   compiler does not see that it is set in all cases where it is
+   used, resulting in warnings that it may be used uninitialized.
+   The location of the warning differs in different versions of GCC,
+   it may be where R is defined using a macro or it may be where the
+   macro is defined.  */
+DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (4, 7)
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+#else
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
+#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "single.h"
@@ -45,22 +58,13 @@ __fmaf (float a, float b, float c)
   FP_UNPACK_S (B, b);
   FP_UNPACK_S (C, c);
   FP_FMA_S (R, A, B, C);
-  /* R_e is not set in cases where it is not used in packing, but the
-     compiler does not see that it is set in all cases where it is
-     used, resulting in warnings that it may be used
-     uninitialized.  */
-  DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
   FP_PACK_S (r, R);
-  DIAG_POP_NEEDS_COMMENT;
   FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
+DIAG_POP_NEEDS_COMMENT;
+
 #ifndef __fmaf
 weak_alias (__fmaf, fmaf)
 #endif
diff --git a/soft-fp/fmatf4.c b/soft-fp/fmatf4.c
index 880961c..9c99303 100644
--- a/soft-fp/fmatf4.c
+++ b/soft-fp/fmatf4.c
@@ -26,6 +26,19 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <libc-internal.h>
+#include <sys/cdefs.h>
+/* R_e is not set in cases where it is not used in packing, but the
+   compiler does not see that it is set in all cases where it is
+   used, resulting in warnings that it may be used uninitialized.
+   The location of the warning differs in different versions of GCC,
+   it may be where R is defined using a macro or it may be where the
+   macro is defined.  */
+DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (4, 7)
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
+#else
+DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
+#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "quad.h"
@@ -45,20 +58,11 @@ __fmal (long double a, long double b, long double c)
   FP_UNPACK_Q (B, b);
   FP_UNPACK_Q (C, c);
   FP_FMA_Q (R, A, B, C);
-  /* R_e is not set in cases where it is not used in packing, but the
-     compiler does not see that it is set in all cases where it is
-     used, resulting in warnings that it may be used
-     uninitialized.  */
-  DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
   FP_PACK_Q (r, R);
-  DIAG_POP_NEEDS_COMMENT;
   FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
+DIAG_POP_NEEDS_COMMENT;
+
 weak_alias (__fmal, fmal)

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

Summary of changes:
 ChangeLog        |    8 ++++++++
 soft-fp/fmadf4.c |   26 +++++++++++++++-----------
 soft-fp/fmasf4.c |   26 +++++++++++++++-----------
 soft-fp/fmatf4.c |   26 +++++++++++++++-----------
 4 files changed, 53 insertions(+), 33 deletions(-)


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