[commits] r11819 - in /fsf/trunk/libc: ./ bits/ sysdeps/i386/bits/ sysdeps/powerpc/bits/ sysdeps/x86_64/bits/

[eglibc@xxxxxxxxxx]

Author: eglibc
Date: Wed Oct 20 00:03:14 2010
New Revision: 11819

Log:
Import glibc-mainline for 2010-10-20

Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/bits/mathdef.h
    fsf/trunk/libc/sysdeps/i386/bits/mathdef.h
    fsf/trunk/libc/sysdeps/powerpc/bits/mathdef.h
    fsf/trunk/libc/sysdeps/x86_64/bits/mathdef.h

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Wed Oct 20 00:03:14 2010
@@ -1,3 +1,39 @@
+2010-10-19  Ulrich Drepper  <drepper@xxxxxxxxx>
+
+	* sysdeps/i386/bits/mathdef.h (FP_FAST_FMA): If the GCC 4.6 port has
+	fast fma builtins, define the macros in the C99 standard.
+	(FP_FAST_FMAF): Likewise.
+	(FP_FAST_FMAL): Likewise.
+	* sysdeps/x86_64/bits/mathdef.h: Likewise.
+
+	* bits/mathdef.h: Update copyright year.
+	* sysdeps/powerpc/bits/mathdef.h: Likewise.
+
+2010-10-19  Michael Meissner  <meissner@xxxxxxxxxxxxxxxxxx>
+
+	* bits/mathdef.h (FP_FAST_FMA): If the GCC 4.6 port has fast fma
+	builtins, define the macros in the C99 standard.
+	(FP_FAST_FMAF): Likewise.
+	(FP_FAST_FMAL): Likewise.
+	* sysdeps/powerpc/bits/mathdef.h (FP_FAST_FMA): Define, ppc as
+	multiply/add.
+	(FP_FAST_FMAF): Likewise.
+
+2010-10-15  Jakub Jelinek  <jakub@xxxxxxxxxx>
+
+	[BZ #3268]
+	* math/libm-test.inc (fma_test): Some new testcases.
+	* sysdeps/ieee754/ldbl-128/s_fmal.c: New file.
+	* sysdeps/ieee754/ldbl-96/s_fma.c (__fma): Fix fma with finite x and
+	y and infinite z.  Do multiplication by C already in long double.
+	* sysdeps/ieee754/ldbl-96/s_fmal.c: New file.
+	* sysdeps/ieee754/dbl-64/s_fma.c (__fma): Fix fma with finite x and
+	y and infinite z.  Do bitwise or of inexact bit into u.d.
+	* sysdeps/ieee754/ldbl-64-128/s_fmal.c: New file.
+	* sysdeps/i386/fpu/s_fmaf.S: Removed.
+	* sysdeps/i386/fpu/s_fma.S: Removed.
+	* sysdeps/i386/fpu/s_fmal.S: Removed.
+
 2010-10-16  Jakub Jelinek  <jakub@xxxxxxxxxx>
 
 	[BZ #3268]

Modified: fsf/trunk/libc/bits/mathdef.h
==============================================================================
--- fsf/trunk/libc/bits/mathdef.h (original)
+++ fsf/trunk/libc/bits/mathdef.h Wed Oct 20 00:03:14 2010
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2004,2010 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
@@ -34,6 +34,20 @@
 # 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

Modified: fsf/trunk/libc/sysdeps/i386/bits/mathdef.h
==============================================================================
--- fsf/trunk/libc/sysdeps/i386/bits/mathdef.h (original)
+++ fsf/trunk/libc/sysdeps/i386/bits/mathdef.h Wed Oct 20 00:03:14 2010
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2010 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
@@ -43,4 +43,18 @@
 # define FP_ILOGB0	(-2147483647 - 1)
 # define FP_ILOGBNAN	(-2147483647 - 1)
 
+/* 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 */

Modified: fsf/trunk/libc/sysdeps/powerpc/bits/mathdef.h
==============================================================================
--- fsf/trunk/libc/sysdeps/powerpc/bits/mathdef.h (original)
+++ fsf/trunk/libc/sysdeps/powerpc/bits/mathdef.h Wed Oct 20 00:03:14 2010
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006
+/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006,2010
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -61,4 +61,8 @@
 # define FP_ILOGB0	(-2147483647)
 # define FP_ILOGBNAN	(2147483647)
 
+/* The powerpc has a combined multiply/add instruction.  */
+# define FP_FAST_FMA 1
+# define FP_FAST_FMAF 1
+
 #endif	/* ISO C99 */

Modified: fsf/trunk/libc/sysdeps/x86_64/bits/mathdef.h
==============================================================================
--- fsf/trunk/libc/sysdeps/x86_64/bits/mathdef.h (original)
+++ fsf/trunk/libc/sysdeps/x86_64/bits/mathdef.h Wed Oct 20 00:03:14 2010
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2004, 2010 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
@@ -45,4 +45,18 @@
 # define FP_ILOGB0	(-2147483647 - 1)
 # define FP_ILOGBNAN	(-2147483647 - 1)
 
+/* 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 */