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libkern
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strchr-power.s

strchr-power.s 168 B
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  1. /*
    2. 

  2.  * BUG: it's slow
    3. 

  3.  */
    4. 

  4. 	TEXT	strchr(SB), $0
    5. 

  5. 	MOVBZ	c+7(FP), R4
    6. 

  6. 	SUB	$1, R3
    7. 

  7. l1:
    8. 

  8. 	MOVBZU	1(R3), R6
    9. 

  9. 	CMP	R6, R4
    10. 

  10. 	BEQ	eq
    11. 

  11. 	CMP	R6, $0
    12. 

  12. 	BNE	l1
    13. 

  13. nf:
    14. 

  14. 	MOVW	$0, R3
    15. 

  15. eq:
    16. 

  16. 	RETURN
    17.