Attachment 1511 Details for Bug 3268 – Updated patch to ports to add fma for PPC32 soft-fp

[patch] Updated patch to ports to add fma for PPC32 soft-fp

ports-fma-20070117.txt (text/plain), 5.26 KB, created by Steven Munroe on 2007-01-22 23:54:30 UTC

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Creator: Steven Munroe

Created: 2007-01-22 23:54:30 UTC

Size: 5.26 KB

patch

obsolete

>2007-01-17  Steven Munroe  <sjmunroe@us.ibm.com>
>
>	[BZ #3268]
>	* sysdeps/powerpc/nofpu/Versions (libc): Add __fmasf4 and __fmadf4
>	for version GLIBC_2.5.
>	* sysdeps/powerpc/nofpu/s_fma.c: New file.
>	* sysdeps/powerpc/nofpu/s_fmaf.c: New file.
>	* sysdeps/powerpc/nofpu/fenv_libc.h: New file.
>
>diff -urN dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/Versions libc24/ports/sysdeps/powerpc/nofpu/Versions
>--- dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/Versions	2006-11-22 09:13:11.000000000 -0600
>+++ libc24/ports/sysdeps/powerpc/nofpu/Versions	2007-01-12 14:50:45.000000000 -0600
>@@ -17,4 +17,7 @@
>     __gtdf2; __gtsf2;
>     __ltdf2; __ltsf2;
>   }
>+  GLIBC_2.5 {
>+    __fmasf4; __fmadf4;
>+  }
> }
>diff -urN dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/fenv_libc.h libc24/ports/sysdeps/powerpc/nofpu/fenv_libc.h
>--- dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/fenv_libc.h	Wed Dec 31 18:00:00 1969
>+++ libc24/ports/sysdeps/powerpc/nofpu/fenv_libc.h	Wed Jan 17 14:12:33 2007
>@@ -0,0 +1,29 @@
>+/* Internal libc stuff for floating point environment routines.
>+   Copyright (C) 2007 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
>+   modify it under the terms of the GNU Lesser General Public
>+   License as published by the Free Software Foundation; either
>+   version 2.1 of the License, or (at your option) any later version.
>+
>+   The GNU C Library is distributed in the hope that it will be useful,
>+   but WITHOUT ANY WARRANTY; without even the implied warranty of
>+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>+   Lesser General Public License for more details.
>+
>+   You should have received a copy of the GNU Lesser General Public
>+   License along with the GNU C Library; if not, write to the Free
>+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
>+   02111-1307 USA.  */
>+
>+#ifndef _FENV_LIBC_H
>+#define _FENV_LIBC_H	1
>+
>+/* fenv_libc.h is used in libm implementations of ldbl-128ibm.  So we
>+   need this version in the soft-fp to at minimum include fenv.h to
>+   get the fegetround definition.  */
>+
>+#include <fenv.h>
>+ 
>+#endif /* fenv_libc.h */
>diff -urN dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/s_fma.c libc24/ports/sysdeps/powerpc/nofpu/s_fma.c
>--- dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/s_fma.c	Wed Dec 31 18:00:00 1969
>+++ libc24/ports/sysdeps/powerpc/nofpu/s_fma.c	Fri Jan 19 14:39:32 2007
>@@ -0,0 +1,37 @@
>+/* soft-fp x * y + z as ternary operation.
>+   Copyright (C) 2007 Free Software Foundation, Inc.
>+   This file is part of the GNU C Library.
>+   Contributed by Steven Munroe <sjmunroe@us.ibm.com>, 2006.
>+
>+   The GNU C Library is free software; you can redistribute it and/or
>+   modify it under the terms of the GNU Lesser General Public
>+   License as published by the Free Software Foundation; either
>+   version 2.1 of the License, or (at your option) any later version.
>+
>+   The GNU C Library is distributed in the hope that it will be useful,
>+   but WITHOUT ANY WARRANTY; without even the implied warranty of
>+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>+   Lesser General Public License for more details.
>+
>+   You should have received a copy of the GNU Lesser General Public
>+   License along with the GNU C Library; if not, write to the Free
>+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
>+   02111-1307 USA.  */
>+
>+#include <math.h>
>+
>+extern double __fmadf4 (double, double, double);
>+
>+/* Compute floating point multiply-add with higher (quad) precision.  */
>+double
>+__fma (double a, double b, double c)
>+{
>+    return __fmadf4 (a, b, c);
>+}
>+weak_alias (__fma, fma)
>+
>+#ifdef NO_LONG_DOUBLE
>+strong_alias (__fma, __fmal)
>+weak_alias (__fmal, fmal)
>+#endif
>+
>diff -urN dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/s_fmaf.c libc24/ports/sysdeps/powerpc/nofpu/s_fmaf.c
>--- dummy-libc/ports-cvstip-20070117/sysdeps/powerpc/nofpu/s_fmaf.c	Wed Dec 31 18:00:00 1969
>+++ libc24/ports/sysdeps/powerpc/nofpu/s_fmaf.c	Fri Jan 19 14:39:26 2007
>@@ -0,0 +1,32 @@
>+/* soft-fp x * y + z as ternary operation.
>+   Copyright (C) 2007 Free Software Foundation, Inc.
>+   This file is part of the GNU C Library.
>+   Contributed by Steven Munroe <sjmunroe@us.ibm.com>, 2006.
>+
>+   The GNU C Library is free software; you can redistribute it and/or
>+   modify it under the terms of the GNU Lesser General Public
>+   License as published by the Free Software Foundation; either
>+   version 2.1 of the License, or (at your option) any later version.
>+
>+   The GNU C Library is distributed in the hope that it will be useful,
>+   but WITHOUT ANY WARRANTY; without even the implied warranty of
>+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>+   Lesser General Public License for more details.
>+
>+   You should have received a copy of the GNU Lesser General Public
>+   License along with the GNU C Library; if not, write to the Free
>+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
>+   02111-1307 USA.  */
>+
>+#include <math.h>
>+
>+extern float __fmasf4 (float, float, float);
>+
>+/* Compute floating point multiply-add with higher (double) precision.  */
>+float
>+__fmaf (float a, float b, float c)
>+{
>+    return __fmasf4 (a, b, c);
>+}
>+weak_alias (__fmaf, fmaf)
>+

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