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Diffstat (limited to 'newlib/libc/machine/mips/strcmp.c')
-rw-r--r--newlib/libc/machine/mips/strcmp.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/newlib/libc/machine/mips/strcmp.c b/newlib/libc/machine/mips/strcmp.c
deleted file mode 100644
index c9c1c6595..000000000
--- a/newlib/libc/machine/mips/strcmp.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * strcmp.c -- strcmp function. On at least some MIPS chips, a strcmp that is
- * unrolled twice is faster than the 'optimized' C version in newlib.
- *
- * Copyright (c) 2001 Red Hat, Inc.
- *
- * The authors hereby grant permission to use, copy, modify, distribute,
- * and license this software and its documentation for any purpose, provided
- * that existing copyright notices are retained in all copies and that this
- * notice is included verbatim in any distributions. No written agreement,
- * license, or royalty fee is required for any of the authorized uses.
- * Modifications to this software may be copyrighted by their authors
- * and need not follow the licensing terms described here, provided that
- * the new terms are clearly indicated on the first page of each file where
- * they apply. */
-
-#include <stddef.h>
-#include <string.h>
-#include <stdlib.h>
-
-int
-strcmp (const char *s1, const char *s2)
-{
- unsigned const char *us1 = (unsigned const char *)s1;
- unsigned const char *us2 = (unsigned const char *)s2;
- int c1a, c1b;
- int c2a, c2b;
-
- /* If the pointers aren't both aligned to a 16-byte boundary, do the
- comparison byte by byte, so that we don't get an invalid page fault if we
- are comparing a string whose null byte is at the last byte on the last
- valid page. */
- if (((((long)us1) | ((long)us2)) & 1) == 0)
- {
- c1a = *us1;
- for (;;)
- {
- c1b = *us2;
- us1 += 2;
- if (c1a == '\0')
- goto ret1;
-
- c2a = us1[-1];
- if (c1a != c1b)
- goto ret1;
-
- c2b = us2[1];
- us2 += 2;
- if (c2a == '\0')
- break;
-
- c1a = *us1;
- if (c2a != c2b)
- break;
- }
-
- return c2a - c2b;
- }
- else
- {
- do
- {
- c1a = *us1++;
- c1b = *us2++;
- }
- while (c1a != '\0' && c1a == c1b);
- }
-
- ret1:
- return c1a - c1b;
-}