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Diffstat (limited to 'newlib/libc/machine/spu/strlen.c')
-rw-r--r--newlib/libc/machine/spu/strlen.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/newlib/libc/machine/spu/strlen.c b/newlib/libc/machine/spu/strlen.c
deleted file mode 100644
index a8403e045..000000000
--- a/newlib/libc/machine/spu/strlen.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- (C) Copyright 2001,2006,
- International Business Machines Corporation,
- Sony Computer Entertainment, Incorporated,
- Toshiba 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 <stddef.h>
-
-/*
- * Calculates the length of the string s, not including the terminating
- * \0 character.
- */
-size_t strlen(const char *s)
-{
- unsigned int cnt, cmp, skip, mask;
- vec_uchar16 *ptr, data;
-
- /*
- * Compensate for initial mis-aligned string.
- */
- ptr = (vec_uchar16 *)s; /* implicit 16 byte alignment when dereferenced */
- skip = (unsigned int)(ptr) & 15;
- 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 length is ptr aligned down to a 16 byte boundary, plus the offset
- * to the zero byte, minus the starting address s.
- */
- return ((((int) ptr & ~0xf) + (cnt - 16)) - (int) s);
-}