Community source repository for glibc add-on ports branch, master, updated. glibc-2.12-38-gc6d5d85

jsm28@sourceware.org jsm28@sourceware.org
Tue Oct 19 20:09:00 GMT 2010


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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=c6d5d85ccbb8e7d98a790c5dec3e7244254852a2

commit c6d5d85ccbb8e7d98a790c5dec3e7244254852a2
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Oct 19 20:09:24 2010 +0000

    Conditionally define FP_FAST_FMA* for ARM.

diff --git a/ChangeLog.arm b/ChangeLog.arm
index 02affa8..69a28c6 100644
--- a/ChangeLog.arm
+++ b/ChangeLog.arm
@@ -1,3 +1,8 @@
+2010-10-19  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/arm/bits/mathdef.h (FP_FAST_FMA, FP_FAST_FMAF,
+	FP_FAST_FMAL): Define if associated GCC macros are defined.
+
 2010-10-11  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/arm/eabi/feupdateenv.c (feupdateenv): Add
diff --git a/sysdeps/arm/bits/mathdef.h b/sysdeps/arm/bits/mathdef.h
index daca110..97f5d4d 100644
--- a/sysdeps/arm/bits/mathdef.h
+++ b/sysdeps/arm/bits/mathdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000, 2004, 2006, 2007
+/* Copyright (C) 1999, 2000, 2004, 2006, 2007, 2010
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -34,6 +34,20 @@ typedef double double_t;	/* `double' expressions are evaluated as
 # define FP_ILOGB0	(-2147483647)
 # define FP_ILOGBNAN	(2147483647)
 
+/* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
+   builtins are supported.  */
+# if __FP_FAST_FMA
+#  define FP_FAST_FMA 1
+# endif
+
+# if __FP_FAST_FMAF
+#  define FP_FAST_FMAF 1
+# endif
+
+# if __FP_FAST_FMAL
+#  define FP_FAST_FMAL 1
+# endif
+
 #endif	/* ISO C99 */
 
 #ifndef __NO_LONG_DOUBLE_MATH

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

Summary of changes:
 ChangeLog.arm              |    5 +++++
 sysdeps/arm/bits/mathdef.h |   16 +++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletions(-)


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