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Diffstat (limited to 'newlib/libc/machine/spu/memset.c')
-rw-r--r-- | newlib/libc/machine/spu/memset.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/newlib/libc/machine/spu/memset.c b/newlib/libc/machine/spu/memset.c deleted file mode 100644 index 0b1958d81..000000000 --- a/newlib/libc/machine/spu/memset.c +++ /dev/null @@ -1,90 +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> - -/* Fills the first n bytes of the memory area pointed to by s - * with the constant byte c. Returns a pointer to the memory area s. - */ -void * memset(void *s, int c, size_t n) -{ - int skip, cnt, i; - vec_uchar16 *vs; - vec_uchar16 vc, mask, one = spu_splats((unsigned char)-1); - - vs = (vec_uchar16 *)(s); - vc = spu_splats((unsigned char)c); - cnt = (int)(n); - - /* Handle any leading partial quadwords as well a - * very short settings (ie, such that the n characters - * all reside in a single quadword. - */ - skip = (int)(s) & 15; - if (skip) { - mask = spu_rlmaskqwbyte(one, -skip); - cnt -= 16 - skip; - if (cnt < 0) { - mask = spu_and(mask, spu_slqwbyte(one, (unsigned int)(-cnt))); - } - *vs = spu_sel(*vs, vc, mask); - vs++; - } - - /* Handle 8 quadwords at a time - */ - for (i=127; i<cnt; cnt-=8*16) { - vs[0] = vc; - vs[1] = vc; - vs[2] = vc; - vs[3] = vc; - vs[4] = vc; - vs[5] = vc; - vs[6] = vc; - vs[7] = vc; - vs += 8; - } - - /* Finish all remaining complete quadwords - */ - for (i=15; i<cnt; cnt-=16) *vs++ = vc; - - /* Handle any trailing partial quadwords - */ - if (cnt > 0) { - mask = spu_slqwbyte(one, (unsigned int)(16-cnt)); - *vs = spu_sel(*vs, vc, mask); - } - - return (s); -} |