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[AArch64] Use extend_arith rtx cost appropriately 

* config/aarch64/aarch64.c (aarch64_rtx_costs): Use extend_arith
	rather than arith_shift cost when costing ADD/MINUS of an
	extended value.

From-SVN: r222623
This commit is contained in:
Kyrylo Tkachov 2015-04-30 13:30:49 +00:00 committed by Kyrylo Tkachov
parent 577cd07084
commit 2533c820b3
2 changed files with 8 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-04-30 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_rtx_costs): Use extend_arith
rather than arith_shift cost when costing ADD/MINUS of an
extended value.
2015-04-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/65948

4
gcc/config/aarch64/aarch64.c
View File

@ -5819,7 +5819,7 @@ cost_minus:
if (aarch64_rtx_arith_op_extract_p (op1, mode))
{
if (speed)
*cost += extra_cost->alu.arith_shift;
*cost += extra_cost->alu.extend_arith;
*cost += rtx_cost (XEXP (XEXP (op1, 0), 0),
(enum rtx_code) GET_CODE (op1),
@ -5888,7 +5888,7 @@ cost_plus:
if (aarch64_rtx_arith_op_extract_p (op0, mode))
{
if (speed)
*cost += extra_cost->alu.arith_shift;
*cost += extra_cost->alu.extend_arith;
*cost += rtx_cost (XEXP (XEXP (op0, 0), 0),
(enum rtx_code) GET_CODE (op0),