PowerPC: multiarch modf/modff for PowerPC64

8 files changed, 186 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index df97e4c8e3..e44199c6df 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,18 @@
 2013-12-13  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
 
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add modf and
+	modff multiarch implementations.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-ppc64.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf.c: New file:
+	multiarch modf for PPC64.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-power5+.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-ppc64.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c : New file:
+	multiarch modff for PPC64.
+
+2013-12-13  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
+
 	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add logb, logbf,
 	and logl multiarch implementations.
 	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c: New file.
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
index d323de27b7..9a9aaecf3c 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
@@ -3,7 +3,8 @@ sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 		   s_isnan-power5 s_isnan-ppc64 s_copysign-power6 \
 		   s_copysign-ppc64 s_finite-power7 s_finite-ppc64 \
 		   s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
-		   s_isinf-ppc64
+		   s_isinf-ppc64 s_modf-power5+ s_modf-ppc64 \
+		   s_modff-power5+ s_modff-ppc64
 
 libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 			s_isnan-power5 s_isnan-ppc64 s_llround-power6x \
@@ -18,9 +19,12 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 			s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
 			s_isinf-ppc64 s_logb-power7 s_logbf-power7 \
 			s_logbl-power7 s_logb-ppc64 s_logbf-ppc64 \
-			s_logbl-ppc64
+			s_logbl-ppc64 s_modf-power5+ s_modf-ppc64 \
+			s_modff-power5+ s_modff-ppc64
 
 CFLAGS-s_logbf-power7.c = -mcpu=power7
 CFLAGS-s_logbl-power7.c = -mcpu=power7
 CFLAGS-s_logb-power7.c = -mcpu=power7
+CFLAGS-s_modf-power5+.c = -mcpu=power5+
+CFLAGS-s_modff-power5+.c = -mcpu=power5+
 endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c
new file mode 100644
index 0000000000..04ec0eb686
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c
@@ -0,0 +1,19 @@
+/* PowerPC/POWER5+ implementation for modf.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_modf-power5+.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-ppc64.c
new file mode 100644
index 0000000000..30216872cd
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-ppc64.c
@@ -0,0 +1,29 @@
+/* PowerPC64 default implementation for modf.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+
+#undef weak_alias
+#define weak_alias(a,b)
+#undef strong_alias
+#define strong_alias(a,b)
+
+#define __modf __modf_ppc64
+
+#include <sysdeps/ieee754/dbl-64/s_modf.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf.c
new file mode 100644
index 0000000000..931d0c375a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf.c
@@ -0,0 +1,44 @@
+/* Multiple versions of modf.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+#include <shlib-compat.h>
+#include "init-arch.h"
+
+extern __typeof (__modf) __modf_ppc64 attribute_hidden;
+extern __typeof (__modf) __modf_power5plus attribute_hidden;
+
+libc_ifunc (__modf,
+	    (hwcap & PPC_FEATURE_POWER5_PLUS)
+	    ? __modf_power5plus
+            : __modf_ppc64);
+
+weak_alias (__modf, modf)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__modf, __modfl)
+weak_alias (__modf, modfl)
+#endif
+#ifdef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __modf, modfl, GLIBC_2_0);
+# endif
+#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __modf, modfl, GLIBC_2_0);
+#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-power5+.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-power5+.c
new file mode 100644
index 0000000000..b3d7a0ad60
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-power5+.c
@@ -0,0 +1,19 @@
+/* PowerPC/POWER5+ implementation for modff.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_modff-power5+.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-ppc64.c
new file mode 100644
index 0000000000..3a98d0958f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-ppc64.c
@@ -0,0 +1,26 @@
+/* PowerPC64 default implementation for modff.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+
+#undef weak_alias
+#define weak_alias(a,b)
+
+#define __modff __modff_ppc64
+
+#include <sysdeps/ieee754/flt-32/s_modff.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c
new file mode 100644
index 0000000000..0629339b39
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c
@@ -0,0 +1,30 @@
+/* Multiple versions of modff.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include "init-arch.h"
+
+extern __typeof (__modff) __modff_ppc64 attribute_hidden;
+extern __typeof (__modff) __modff_power5plus attribute_hidden;
+
+libc_ifunc (__modff,
+	    (hwcap & PPC_FEATURE_POWER5_PLUS)
+	    ? __modff_power5plus
+            : __modff_ppc64);
+
+weak_alias (__modff, modff)