[9] RFR(S): 8075136: Unnecessary sign extension for byte array access

[Andrew Dinn]

On 18/03/15 12:42, Tobias Hartmann wrote:
> Okay, I assume you meant '1.9*INSN_COST' as it is used for 'addP_reg_reg_lsl'?
> 
> Here is the updated webrev:
> http://cr.openjdk.java.net/~thartmann/8075136/webrev.05/
> 
> It works fine:
>   0x0000007f6d1c4a34: add	x8, x10, #0x10
>   0x0000007f6d1c4a38: ldrsb	w0, [x8,w1,sxtw #0]

Looks fine too.

regards,


Andrew Dinn
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