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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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POSSIBILITY OF SUCH DAMAGE. */ |
POSSIBILITY OF SUCH DAMAGE. */ |
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/* $Id$ */ |
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#include "macros.inc" |
#include "macros.inc" |
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#define src_hi r25 |
#define src_hi r25 |
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.global _U(strrchr) |
.global _U(strrchr) |
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.type _U(strrchr), @function |
.type _U(strrchr), @function |
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_U(strrchr): |
_U(strrchr): |
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LOAD_Z(src_lo, src_hi) |
X_movw ZL, src_lo |
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ldi ret_lo, lo8(1) ; NULL + 1 |
ldi ret_lo, lo8(1) ; NULL + 1 |
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ldi ret_hi, hi8(1) |
ldi ret_hi, hi8(1) |
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.strrchr_loop: |
.L_strrchr_loop: |
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ld __tmp_reg__, Z+ |
ld __tmp_reg__, Z+ |
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cp __tmp_reg__, val_lo |
cp __tmp_reg__, val_lo |
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brne .strrchr_noteq |
brne .L_strrchr_noteq |
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mov ret_lo, ZL ; XXX use movw if available |
X_movw ret_lo, ZL ; remember this character was here |
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mov ret_hi, ZH ; remember this character was here |
.L_strrchr_noteq: |
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.strrchr_noteq: |
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tst __tmp_reg__ |
tst __tmp_reg__ |
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brne .strrchr_loop |
brne .L_strrchr_loop |
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sbiw ret_lo, 1 ; undo post-increment |
sbiw ret_lo, 1 ; undo post-increment |
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ret |
ret |
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.strrchr_end: |
.L_strrchr_end: |
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.size _U(strrchr), .strrchr_end - _U(strrchr) |
.size _U(strrchr), .L_strrchr_end - _U(strrchr) |
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#endif /* not DOXYGEN */ |
#endif /* not DOXYGEN */ |