r237440 - in /trunk/gcc: ChangeLog config/aarch...

[ktkachov@gcc.gnu.org]

Author: ktkachov
Date: Tue Jun 14 13:39:03 2016
New Revision: 237440

URL: https://gcc.gnu.org/viewcvs?rev=237440&root=gcc&view=rev
Log:
[AArch64] Handle AND+ASHIFT form of UBFIZ correctly in costs

	* config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
	New function.
	(aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
	mask+shift version.
	* config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
	New prototype.
	* config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
	matching condition with aarch64_mask_and_shift_for_ubfiz_p.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-protos.h
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md