1 files changed, 0 insertions, 142 deletions
diff --git a/arch/tile/lib/memset_64.c b/arch/tile/lib/memset_64.c
deleted file mode 100644
index 03ef69cd73de..000000000000
--- a/arch/tile/lib/memset_64.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright 2011 Tilera Corporation. All Rights Reserved.
- *
- *   This program is free software; you can redistribute it and/or
- *   modify it under the terms of the GNU General Public License
- *   as published by the Free Software Foundation, version 2.
- *
- *   This program 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, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- */
-
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <arch/chip.h>
-#include "string-endian.h"
-
-void *memset(void *s, int c, size_t n)
-{
-	uint64_t *out64;
-	int n64, to_align64;
-	uint64_t v64;
-	uint8_t *out8 = s;
-
-	/* Experimentation shows that a trivial tight loop is a win up until
-	 * around a size of 20, where writing a word at a time starts to win.
-	 */
-#define BYTE_CUTOFF 20
-
-#if BYTE_CUTOFF < 7
-	/* This must be at least at least this big, or some code later
-	 * on doesn't work.
-	 */
-#error "BYTE_CUTOFF is too small"
-#endif
-
-	if (n < BYTE_CUTOFF) {
-		/* Strangely, this turns out to be the tightest way to
-		 * write this loop.
-		 */
-		if (n != 0) {
-			do {
-				/* Strangely, combining these into one line
-				 * performs worse.
-				 */
-				*out8 = c;
-				out8++;
-			} while (--n != 0);
-		}
-
-		return s;
-	}
-
-	/* Align 'out8'. We know n >= 7 so this won't write past the end. */
-	while (((uintptr_t) out8 & 7) != 0) {
-		*out8++ = c;
-		--n;
-	}
-
-	/* Align 'n'. */
-	while (n & 7)
-		out8[--n] = c;
-
-	out64 = (uint64_t *) out8;
-	n64 = n >> 3;
-
-	/* Tile input byte out to 64 bits. */
-	v64 = copy_byte(c);
-
-	/* This must be at least 8 or the following loop doesn't work. */
-#define CACHE_LINE_SIZE_IN_DOUBLEWORDS (CHIP_L2_LINE_SIZE() / 8)
-
-	/* Determine how many words we need to emit before the 'out32'
-	 * pointer becomes aligned modulo the cache line size.
-	 */
-	to_align64 = (-((uintptr_t)out64 >> 3)) &
-		(CACHE_LINE_SIZE_IN_DOUBLEWORDS - 1);
-
-	/* Only bother aligning and using wh64 if there is at least
-	 * one full cache line to process.  This check also prevents
-	 * overrunning the end of the buffer with alignment words.
-	 */
-	if (to_align64 <= n64 - CACHE_LINE_SIZE_IN_DOUBLEWORDS) {
-		int lines_left;
-
-		/* Align out64 mod the cache line size so we can use wh64. */
-		n64 -= to_align64;
-		for (; to_align64 != 0; to_align64--) {
-			*out64 = v64;
-			out64++;
-		}
-
-		/* Use unsigned divide to turn this into a right shift. */
-		lines_left = (unsigned)n64 / CACHE_LINE_SIZE_IN_DOUBLEWORDS;
-
-		do {
-			/* Only wh64 a few lines at a time, so we don't
-			 * exceed the maximum number of victim lines.
-			 */
-			int x = ((lines_left < CHIP_MAX_OUTSTANDING_VICTIMS())
-				  ? lines_left
-				  : CHIP_MAX_OUTSTANDING_VICTIMS());
-			uint64_t *wh = out64;
-			int i = x;
-			int j;
-
-			lines_left -= x;
-
-			do {
-				__insn_wh64(wh);
-				wh += CACHE_LINE_SIZE_IN_DOUBLEWORDS;
-			} while (--i);
-
-			for (j = x * (CACHE_LINE_SIZE_IN_DOUBLEWORDS / 4);
-			     j != 0; j--) {
-				*out64++ = v64;
-				*out64++ = v64;
-				*out64++ = v64;
-				*out64++ = v64;
-			}
-		} while (lines_left != 0);
-
-		/* We processed all full lines above, so only this many
-		 * words remain to be processed.
-		 */
-		n64 &= CACHE_LINE_SIZE_IN_DOUBLEWORDS - 1;
-	}
-
-	/* Now handle any leftover values. */
-	if (n64 != 0) {
-		do {
-			*out64 = v64;
-			out64++;
-		} while (--n64 != 0);
-	}
-
-	return s;
-}
-EXPORT_SYMBOL(memset);