[PATCH 03/15] PowerPC: multiarch isnan/isnanf 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 isnan
	multiarch implementation.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S: New
	file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S: New file.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c: New file:
	multiarch isnan for PPC64.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c: New file:
	multiarch isnanf for PPC64.

--

diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
new file mode 100644
index 0000000..3d3ecb7
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
@@ -0,0 +1,7 @@
+ifeq ($(subdir),math)
+sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
+		   s_isnan-power5 s_isnan-ppc64
+
+libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
+			s_isnan-power5 s_isnan-ppc64
+endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S
new file mode 100644
index 0000000..757e580
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S
@@ -0,0 +1,33 @@
+/* isnan().  PowerPC64/POWER5 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, symbol, ver)
+
+#define __isnan __isnan_power5
+
+#include <sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S
new file mode 100644
index 0000000..e0d8010
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S
@@ -0,0 +1,33 @@
+/* isnan().  PowerPC64/POWER6 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, symbol, ver)
+
+#define __isnan __isnan_power6
+
+#include <sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S
new file mode 100644
index 0000000..84ce8e5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S
@@ -0,0 +1,33 @@
+/* isnan().  PowerPC64/POWER6X 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, symbol, ver)
+
+#define __isnan __isnan_power6x
+
+#include <sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S
new file mode 100644
index 0000000..f3f5a67
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S
@@ -0,0 +1,33 @@
+/* isnan().  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, symbol, ver)
+
+#define __isnan __isnan_power7
+
+#include <sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
new file mode 100644
index 0000000..5ce6f52
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
@@ -0,0 +1,32 @@
+/* isnan().  PowerPC32 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 <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#undef weak_alias
+#define weak_alias(a,b)
+#undef strong_alias
+#define strong_alias(a,b)
+
+#define __isnan __isnan_ppc64
+#undef hidden_def
+#define hidden_def(name) \
+  .globl __GI___isnan ; .set __GI___isnan,__isnan_ppc64
+
+#include <sysdeps/powerpc/powerpc64/fpu/s_isnan.S>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
new file mode 100644
index 0000000..70353df
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
@@ -0,0 +1,53 @@
+/* Multiple versions of isnan.
+   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 (__isnan) __isnan_ppc64 attribute_hidden;
+extern __typeof (__isnan) __isnan_power5 attribute_hidden;
+extern __typeof (__isnan) __isnan_power6 attribute_hidden;
+extern __typeof (__isnan) __isnan_power6x attribute_hidden;
+extern __typeof (__isnan) __isnan_power7 attribute_hidden;
+
+libc_ifunc (__isnan,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __isnan_power7 :
+	      (hwcap & PPC_FEATURE_POWER6_EXT)
+		? __isnan_power6x :
+		(hwcap & PPC_FEATURE_ARCH_2_05)
+		  ? __isnan_power6 :
+		  (hwcap & PPC_FEATURE_POWER5)
+		    ? __isnan_power5
+            : __isnan_ppc64);
+
+weak_alias (__isnan, isnan)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
+compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
+# endif
+#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
new file mode 100644
index 0000000..3e80b69
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
@@ -0,0 +1,40 @@
+/* Multiple versions of isnan.
+   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"
+
+/* The double-precision implementation also works for the single one.  */
+extern __typeof (__isnanf) __isnan_ppc64 attribute_hidden;
+extern __typeof (__isnanf) __isnan_power5 attribute_hidden;
+extern __typeof (__isnanf) __isnan_power6 attribute_hidden;
+extern __typeof (__isnanf) __isnan_power6x attribute_hidden;
+extern __typeof (__isnanf) __isnan_power7 attribute_hidden;
+
+libc_ifunc (__isnanf,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __isnan_power7 :
+	      (hwcap & PPC_FEATURE_POWER6_EXT)
+		? __isnan_power6x :
+		(hwcap & PPC_FEATURE_ARCH_2_05)
+		  ? __isnan_power6 :
+		  (hwcap & PPC_FEATURE_POWER5)
+		    ? __isnan_power5
+            : __isnan_ppc64);
+
+weak_alias (__isnanf, isnanf)