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Diffstat (limited to 'newlib/libc/machine/spu/straddr.h')
-rw-r--r-- | newlib/libc/machine/spu/straddr.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/newlib/libc/machine/spu/straddr.h b/newlib/libc/machine/spu/straddr.h deleted file mode 100644 index 3de594df6..000000000 --- a/newlib/libc/machine/spu/straddr.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - (C) Copyright 2008 - International Business Machines Corporation, - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the names of the copyright holders nor the names of their - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#include <spu_intrinsics.h> -#include "vec_literal.h" - -/* - * Supply the inline _straddr for use by strncpy and strncat. -* -* _straddr: search the string s, and return the address of the first byte -* containing zero. -*/ -static inline char *_straddr(const char *s) -{ - unsigned int cnt, cmp, skip, mask; - vec_uchar16 *ptr, data; - - /* - * Compensate for unaligned strings. - */ - ptr = (vec_uchar16 *)s; /* implicit (s & ~0xf) */ - skip = (unsigned int)(ptr) & 0xf; - /* - * skip the first skip bytes starting at (s & ~0xf). - */ - mask = 0xFFFF >> skip; - - data = *ptr; - cmp = spu_extract(spu_gather(spu_cmpeq(data, 0)), 0); - cmp &= mask; - - cnt = spu_extract(spu_cntlz(spu_promote(cmp, 0)), 0); - - while (cnt == 32) { - data = *++ptr; - cnt = spu_extract(spu_cntlz(spu_gather(spu_cmpeq(data, 0))), 0); - /* - * The first 16 bits for gather on a byte vector are zero, so if cnt - * is 32, none of the 16 bytes in data was zero. And, there are (cnt - - * 16) non-zero bytes in data. - */ - } - /* - * The first non-zero byte is at ptr aligned down plus the number of - * non-zero bytes seen. - */ - return ((char*) (((int) ptr & ~0xf) + (cnt - 16))); -} |