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Optimize the inlined strlen.
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@ -1245,9 +1245,8 @@ static void StdFunc_strlen (FuncDesc* F attribute ((unused)), ExprDesc* Expr)
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AddCodeLine ("ldy #$FF");
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g_defcodelabel (L);
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AddCodeLine ("iny");
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AddCodeLine ("lda %s,y", ED_GetLabelName (&Arg, 0));
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AddCodeLine ("ldx %s,y", ED_GetLabelName (&Arg, 0));
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AddCodeLine ("bne %s", LocalLabelName (L));
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AddCodeLine ("tax");
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AddCodeLine ("tya");
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/* The function result is an rvalue in the primary register */
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