r210496 - in /trunk/gcc: ChangeLog config/aarch...

[jgreenhalgh@gcc.gnu.org]

Author: jgreenhalgh
Date: Fri May 16 08:47:59 2014
New Revision: 210496

URL: http://gcc.gnu.org/viewcvs?rev=210496&root=gcc&view=rev
Log:
[AArch64 costs 4/18] Better estimate cost of building a constant

gcc/

	* config/aarch64/aarch64.c (aarch64_build_constant): Conditionally
	emit instructions, return number of instructions which would
	be emitted.
	(aarch64_add_constant): Update call to aarch64_build_constant.
	(aarch64_output_mi_thunk): Likewise.
	(aarch64_rtx_costs): Estimate cost of a CONST_INT, cost
	a CONST_DOUBLE.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c