URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [string/] [strcmp.c] - Diff between revs 39 and 56

Rev 39	Rev 56
Line 60...	Line 60...
`int`	`int`
`_DEFUN (strcmp, (s1, s2),`	`_DEFUN (strcmp, (s1, s2),`
`_CONST char *s1 _AND`	`_CONST char *s1 _AND`
`_CONST char *s2)`	`_CONST char *s2)`
`{`	`{`
`#ifdef PREFER_SIZE_OVER_SPEED`	`#if defined(PREFER_SIZE_OVER_SPEED) \|\| defined(__OPTIMIZE_SIZE__)`
`while (s1 != '\0' && s1 == *s2)`	`while (s1 != '\0' && s1 == *s2)`
`{`	`{`
`s1++;`	`s1++;`
`s2++;`	`s2++;`
`}`	`}`
Line 73...	Line 73...
`#else`	`#else`
`unsigned long *a1;`	`unsigned long *a1;`
`unsigned long *a2;`	`unsigned long *a2;`

`/* If s1 or s2 are unaligned, then compare bytes. */`	`/* If s1 or s2 are unaligned, then compare bytes. */`
`if (UNALIGNED (s1, s2))`	`if (!UNALIGNED (s1, s2))`
`{`	`{`
`while (s1 != '\0' && s1 == *s2)`
`{`
`s1++;`
`s2++;`
`}`
`return ((unsigned char ) s1) - ((unsigned char ) s2);`
`}`

`/* If s1 and s2 are word-aligned, compare them a word at a time. */`	`/* If s1 and s2 are word-aligned, compare them a word at a time. */`
`a1 = (unsigned long*)s1;`	`a1 = (unsigned long*)s1;`
`a2 = (unsigned long*)s2;`	`a2 = (unsigned long*)s2;`
`while (a1 == a2)`	`while (a1 == a2)`
`{`	`{`
Line 100...	Line 92...
`}`	`}`

`/* A difference was detected in last few bytes of s1, so search bytewise */`	`/* A difference was detected in last few bytes of s1, so search bytewise */`
`s1 = (char*)a1;`	`s1 = (char*)a1;`
`s2 = (char*)a2;`	`s2 = (char*)a2;`
	`}`

`while (s1 != '\0' && s1 == *s2)`	`while (s1 != '\0' && s1 == *s2)`
`{`	`{`
`s1++;`	`s1++;`
`s2++;`	`s2++;`