2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-power7.S: New
+ file.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-ppc32.S: New file.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: multiarch
+ memcmp for PPC32.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/rtld-memcmp.S: New file.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Add memcmp
+ multiarch objects.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Likewise.
+
+2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-a2.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-cell.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-power6.S: New
ifeq ($(subdir),string)
sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
- memcpy-ppc32
+ memcpy-ppc32 memcmp-power7 memcmp-ppc32
endif
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
#endif
+ /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */
+ IFUNC_IMPL (i, name, memcmp,
+ IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
+ __memcmp_power7)
+ IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
+
return i;
}
--- /dev/null
+/* Optimized memcmp implementation for POWER7/PowerPC32.
+ 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>
+
+#undef EALIGN
+#define EALIGN(name, alignt, words) \
+ .globl C_SYMBOL_NAME(__memcmp_power7); \
+ .type C_SYMBOL_NAME(__memcmp_power7),@function; \
+ .align ALIGNARG(alignt); \
+ EALIGN_W_##words; \
+ C_LABEL(__memcmp_power7) \
+ cfi_startproc;
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(__memcmp_power7)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#undef weak_alias
+#define weak_alias(a, b)
+
+#include <sysdeps/powerpc/powerpc32/power7/memcmp.S>
--- /dev/null
+/* Default memcmp implementation for PowerPC32.
+ Copyright (C) 1997-2013 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>
+
+#ifndef NOT_IN_libc
+# undef EALIGN
+# define EALIGN(name, alignt, words) \
+ .globl C_SYMBOL_NAME(__memcmp_ppc); \
+ .type C_SYMBOL_NAME(__memcmp_ppc),@function; \
+ .align ALIGNARG(alignt); \
+ EALIGN_W_##words; \
+ C_LABEL(__memcmp_ppc) \
+ cfi_startproc;
+
+# undef END
+# define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(__memcmp_ppc)
+
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
+ .globl __GI_memcmp; __GI_memcmp = __memcmp_ppc
+
+# undef weak_alias
+# define weak_alias(a, b) \
+ .weak b ; b = __memcmp_ppc
+#endif
+
+#include <sysdeps/powerpc/powerpc32/power4/memcmp.S>
--- /dev/null
+/* Multiple versions of memcmp.
+ 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/>. */
+
+/* Define multiple versions only for definition in libc. */
+#ifndef NOT_IN_libc
+# include <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (memcmp) __memcmp_ppc attribute_hidden;
+extern __typeof (memcmp) __memcmp_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+ ifunc symbol properly. */
+libc_ifunc (memcmp,
+ (hwcap & PPC_FEATURE_HAS_VSX)
+ ? __memcmp_power7
+ : __memcmp_ppc);
+#endif
--- /dev/null
+/* Loader memcmp implementation for PowerPC32.
+ Copyright (C) 1997-2013 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/memcmp.S>
projects / external / glibc.git / commitdiff