PowerPC: multiarch logb/logbl/logbf for PowerPC64

11 files changed, 261 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 3aaf2d5f90..df97e4c8e3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,22 @@
 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.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c: New file:
+	multiarch logb for PPC64.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c: New file:
+	multiarch logb for PPC64.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c: New file:
+	multiarch logb for PPC64.
+
+2013-12-13  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
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
index 06a7a41433..d323de27b7 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
@@ -16,5 +16,11 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
 			s_copysign-power6 s_copysign-ppc64 s_llrint-power6x \
 			s_llrint-ppc64 s_finite-power7 s_finite-ppc64 \
 			s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
-			s_isinf-ppc64
+			s_isinf-ppc64 s_logb-power7 s_logbf-power7 \
+			s_logbl-power7 s_logb-ppc64 s_logbf-ppc64 \
+			s_logbl-ppc64
+
+CFLAGS-s_logbf-power7.c = -mcpu=power7
+CFLAGS-s_logbl-power7.c = -mcpu=power7
+CFLAGS-s_logb-power7.c = -mcpu=power7
 endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c
new file mode 100644
index 0000000000..6a50eb43ce
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c
@@ -0,0 +1,19 @@
+/* logb().  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 <sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c
new file mode 100644
index 0000000000..6e42fcb03b
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c
@@ -0,0 +1,28 @@
+/* logb(). PowerPC32/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 <math.h>
+
+#undef weak_alias
+#define weak_alias(a, b)
+#undef strong_alias
+#define strong_alias(a, b)
+
+#define __logb __logb_ppc64
+
+#include <sysdeps/ieee754/dbl-64/s_logb.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
new file mode 100644
index 0000000000..e14bfa2ca3
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
@@ -0,0 +1,41 @@
+/* Multiple versions of logb.
+   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 (__logb) __logb_ppc64 attribute_hidden;
+extern __typeof (__logb) __logb_power7 attribute_hidden;
+
+libc_ifunc (__logb,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __logb_power7
+            : __logb_ppc64);
+
+weak_alias (__logb, logb)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__logb, __logbl)
+weak_alias (__logb, logbl)
+#endif
+
+#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
+compat_symbol (libm, logb, logbl, GLIBC_2_0);
+#endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c
new file mode 100644
index 0000000000..cfd2902563
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c
@@ -0,0 +1,19 @@
+/* logb().  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 <sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c
new file mode 100644
index 0000000000..8a699d1059
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c
@@ -0,0 +1,26 @@
+/* logbf().  PowerPC64 default implementation.
+   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 __logbf __logbf_ppc64
+
+#include <sysdeps/ieee754/flt-32/s_logbf.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c
new file mode 100644
index 0000000000..a300125dc2
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c
@@ -0,0 +1,32 @@
+/* Multiple versions of logbf.
+   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 (__logbf) __logbf_ppc64 attribute_hidden;
+extern __typeof (__logbf) __logbf_power7 attribute_hidden;
+
+libc_ifunc (__logbf,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __logbf_power7
+            : __logbf_ppc64);
+
+weak_alias (__logbf, logbf)
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c
new file mode 100644
index 0000000000..4fe43638aa
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c
@@ -0,0 +1,19 @@
+/* logb().  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 <sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c
new file mode 100644
index 0000000000..8bb0f18308
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c
@@ -0,0 +1,21 @@
+/* logbl(). PowerPC64/POWER7 version.
+   Copyright (C) 2012-2013 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/>.  */
+
+#define __logbl __logbl_ppc64
+
+#include <sysdeps/ieee754/ldbl-128ibm/s_logbl.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c
new file mode 100644
index 0000000000..21af5711f2
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c
@@ -0,0 +1,32 @@
+/* Multiple versions of logbl.
+   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 (__logbl) __logbl_ppc64 attribute_hidden;
+extern __typeof (__logbl) __logbl_power7 attribute_hidden;
+
+libc_ifunc (__logbl,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __logbl_power7
+            : __logbl_ppc64);
+
+long_double_symbol (libm, __logbl, logbl);