[AArch64 costs 17/18] Cost for SYMBOL_REF, HIGH and LO_SUM

[James Greenhalgh]

Hi,

Next, costs for SYMBOL_REF, HIGH and LO_SUM.

Tested in series on aarch64-none-elf.

OK for Stage-1?

Thanks,
James

---
2014-03-27  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost SYMBOL_REF,
	HIGH, LO_SUM.
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