+2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: New file to
+ support multiarch for POWER/PPC32.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c:
+ Likewise.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/power4/Implies: Remove
+ Implies file to make multiarch folder appers before the fpu and
+ default folder for power4 configuration.
+
2013-12-06 Siddhesh Poyarekar <siddhesh@redhat.com>
* scripts/bench.pl: Append volatile keyword to type.
--- /dev/null
+ifeq ($(subdir),string)
+sysdep_routines +=
+endif
--- /dev/null
+/* Enumerate available IFUNC implementations of a function. PowerPC32 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 <assert.h>
+#include <string.h>
+#include <wchar.h>
+#include <ldsodefs.h>
+#include <ifunc-impl-list.h>
+
+/* Maximum number of IFUNC implementations. */
+#define MAX_IFUNC 6
+
+size_t
+__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
+ size_t max)
+{
+ assert (max >= MAX_IFUNC);
+
+ size_t i = 0;
+
+ unsigned long int hwcap = GLRO(dl_hwcap);
+ /* hwcap contains only the latest supported ISA, the code checks which is
+ and fills the previous supported ones. */
+ if (hwcap & PPC_FEATURE_ARCH_2_06)
+ hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS |
+ PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
+ else if (hwcap & PPC_FEATURE_ARCH_2_05)
+ hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
+ else if (hwcap & PPC_FEATURE_POWER5_PLUS)
+ hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
+ else if (hwcap & PPC_FEATURE_POWER5)
+ hwcap |= PPC_FEATURE_POWER4;
+
+ return i;
+}
--- /dev/null
+/* This file is part of the GNU C Library.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+
+ 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 <ldsodefs.h>
+
+/* The code checks if _rtld_global_ro was realocated before trying to access
+ the dl_hwcap field. The assembly is to make the compiler not optimize the
+ test (&_rtld_global_ro != NULL), which is always true in ISO C (but not
+ in that case since _rtld_global_ro might not been realocated yet). */
+#if defined(SHARED) && !defined(IS_IN_rtld)
+# define __GLRO(value) \
+ ({ volatile void **__p = (volatile void**)(&_rtld_global_ro); \
+ unsigned long int __ret; \
+ asm ("# x in %0" : "+r" (__p)); \
+ __ret = (__p) ? GLRO(value) : 0; \
+ __ret; })
+#else
+# define __GLRO(value) GLRO(value)
+#endif
+
+/* dl_hwcap contains only the latest supported ISA, the macro checks which is
+ and fills the previous ones. */
+#define INIT_ARCH() \
+ unsigned long int hwcap = __GLRO(dl_hwcap); \
+ if (hwcap & PPC_FEATURE_ARCH_2_06) \
+ hwcap |= PPC_FEATURE_ARCH_2_05 | \
+ PPC_FEATURE_POWER5_PLUS | \
+ PPC_FEATURE_POWER5 | \
+ PPC_FEATURE_POWER4; \
+ else if (hwcap & PPC_FEATURE_ARCH_2_05) \
+ hwcap |= PPC_FEATURE_POWER5_PLUS | \
+ PPC_FEATURE_POWER5 | \
+ PPC_FEATURE_POWER4; \
+ else if (hwcap & PPC_FEATURE_POWER5_PLUS) \
+ hwcap |= PPC_FEATURE_POWER5 | \
+ PPC_FEATURE_POWER4; \
+ else if (hwcap & PPC_FEATURE_POWER5) \
+ hwcap |= PPC_FEATURE_POWER4;
+++ /dev/null
-powerpc/powerpc32/power4/fpu
-powerpc/powerpc32/power4