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  • Committer: Michael Hope
  • Date: 2010-08-26 22:34:40 UTC
  • Revision ID: michael.hope@linaro.org-20100826223440-ddib3epkpb63yfct
Made the different routines compile.  Expanded the tests.

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src/reference/glibc/strlen.S
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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#include <sysdep.h>
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/* size_t strlen(const char *S)
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 * entry: r0 -> string
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 * exit: r0 = len
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 */
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ENTRY(strlen)
 
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strlen: 
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        bic     r1, r0, $3              @ addr of word containing first byte
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        ldr     r2, [r1], $4            @ get the first word
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        ands    r3, r0, $3              @ how many bytes are duff?
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        tstne   r2, $0x00ff0000         @ (if first three all non-zero, 4th
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        addne   r0, r0, $1              @  must be zero)
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#endif
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        DO_RET(lr)
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END(strlen)
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libc_hidden_builtin_def (strlen)
 
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        bx lr
 
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