[PATCH 12/15] PowerPC: multiarch isinf/isinff for PowerPC64

[Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>]

2013-12-09  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>

	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add isinf and
	isinff multiarch implementation.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-power7.S: New
	file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-ppc64.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c: New file:
	multiarch isinf for PPC64.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff-ppc64.c: New
	file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c: New file:
	multiarch isinff for PPC64.

--

diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
index a704d2b..06a7a41 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
@@ -2,7 +2,8 @@ ifeq ($(subdir),math)
 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_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
+		   s_isinf-ppc64
 
 libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 			s_isnan-power5 s_isnan-ppc64 s_llround-power6x \
@@ -14,5 +15,6 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 			s_trunc-ppc64 s_truncf-power5+ s_truncf-ppc64 \
 			s_copysign-power6 s_copysign-ppc64 s_llrint-power6x \
 			s_llrint-ppc64 s_finite-power7 s_finite-ppc64 \
-			s_finitef-ppc64
+			s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
+			s_isinf-ppc64
 endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-power7.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-power7.S
new file mode 100644
index 0000000..e4e9430
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-power7.S
@@ -0,0 +1,33 @@
+/* isinf().  PowerPC64/POWER7 version.
+   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 <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#undef hidden_def
+#define hidden_def(name)
+#undef weak_alias
+#define weak_alias(name, alias)
+#undef strong_alias
+#define strong_alias(name, alias)
+#undef compat_symbol
+#define compat_symbol(lib, name, alias, ver)
+
+#define __isinf __isinf_power7
+
+#include <sysdeps/powerpc/powerpc64/power7/fpu/s_isinf.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-ppc64.c
new file mode 100644
index 0000000..d169128
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf-ppc64.c
@@ -0,0 +1,33 @@
+/* isinf().  PowerPC64 default version.
+   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)
+#undef strong_alias
+#define strong_alias(a, b)
+
+#define __isinf __isinf_ppc64
+#ifdef SHARED
+# undef hidden_def
+# define hidden_def(a) \
+   __hidden_ver1 (__isinf_ppc64, __GI___isinf, __isinf_ppc64);
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_isinf.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
new file mode 100644
index 0000000..994f977
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
@@ -0,0 +1,44 @@
+/* Multiple versions of isinf.
+   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 (__isinf) __isinf_ppc64 attribute_hidden;
+extern __typeof (__isinf) __isinf_power7 attribute_hidden;
+
+libc_ifunc (__isinf,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __isinf_power7
+            : __isinf_ppc64);
+
+weak_alias (__isinf, isinf)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isinf, __isinfl)
+weak_alias (__isinf, isinfl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
+compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
+compat_symbol (libc, isinf, isinfl, GLIBC_2_0);
+# endif
+#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff-ppc64.c
new file mode 100644
index 0000000..65a2892
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff-ppc64.c
@@ -0,0 +1,31 @@
+/* isinff().  PowerPC64 default version.
+   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 __isinff __isinff_ppc64
+#ifdef SHARED
+# undef hidden_def
+# define hidden_def(a) \
+   __hidden_ver1 (__isinff_ppc64, __GI___isinff, __isinff_ppc64);
+#endif
+
+#include <sysdeps/ieee754/flt-32/s_isinff.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
new file mode 100644
index 0000000..44961f2
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
@@ -0,0 +1,33 @@
+/* Multiple versions of isinf.
+   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 (__isinff) __isinff_ppc64 attribute_hidden;
+/* The double-precision version also works for single-precision.  */
+extern __typeof (__isinff) __isinf_power7 attribute_hidden;
+
+libc_ifunc (__isinff,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __isinf_power7
+            : __isinff_ppc64);
+
+weak_alias (__isinff, isinff)