From 93be09e7259caf227dd586404f3c74b61c830cb4 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Mon, 14 Oct 2013 09:43:31 -0500 Subject: PowerPC: multiarch wcscpy for PowerPC32 --- sysdeps/powerpc/power6/wcscpy.c | 105 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 sysdeps/powerpc/power6/wcscpy.c (limited to 'sysdeps/powerpc/power6') diff --git a/sysdeps/powerpc/power6/wcscpy.c b/sysdeps/powerpc/power6/wcscpy.c new file mode 100644 index 0000000000..c70c6c6d3f --- /dev/null +++ b/sysdeps/powerpc/power6/wcscpy.c @@ -0,0 +1,105 @@ +/* wcscpy.c - Wide Character Copy for POWER6+. + 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; see the file COPYING.LIB. If + not, see . */ + +#include +#include + +#ifndef WCSCPY +# define WCSCPY wcscpy +#endif + +/* Copy SRC to DEST. */ +wchar_t * +WCSCPY (wchar_t *dest, const wchar_t *src) +{ + wint_t c,d; + wchar_t *wcp, *wcp2; + + if (__alignof__ (wchar_t) >= sizeof (wchar_t)) + { + const ptrdiff_t off = dest - src; + + wcp = (wchar_t *) src; + wcp2 = wcp + 1 ; + + do + { + d = *wcp; + wcp[off] = d; + if (d == L'\0') + return dest; + wcp += 2; + + c = *wcp2; + wcp2[off] = c; + if (c == L'\0') + return dest; + wcp2 += 2; + + d = *wcp; + wcp[off] = d; + if (d == L'\0') + return dest; + wcp += 2; + + c = *wcp2; + wcp2[off] = c; + if (c == L'\0') + return dest; + wcp2 += 2; + + d = *wcp; + wcp[off] = d; + if (d == L'\0') + return dest; + wcp += 2; + + c = *wcp2; + wcp2[off] = c; + if (c == L'\0') + return dest; + wcp2 += 2; + + d = *wcp; + wcp[off] = d; + if (d == L'\0') + return dest; + wcp += 2; + + c = *wcp2; + wcp2[off] = c; + if (c == L'\0') + return dest; + wcp2 += 2; + } + while (c != L'\0'); + + } + else + { + wcp = dest; + + do + { + c = *src++; + *wcp++ = c; + } + while (c != L'\0'); + } + return dest; +} -- cgit 1.4.1