r249774 - in /trunk/gcc: ChangeLog config/aarch...

[collison@gcc.gnu.org]

Author: collison
Date: Thu Jun 29 09:21:57 2017
New Revision: 249774

URL: https://gcc.gnu.org/viewcvs?rev=249774&root=gcc&view=rev
Log:
2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
	    Michael Collison <michael.collison@arm.com>

	PR target/70119
	* config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
	New pattern.
	(*aarch64_reg_<mode>3_neg_mask2): New pattern.
	(*aarch64_reg_<mode>3_minus_mask): New pattern.
	(*aarch64_<optab>_reg_di3_mask2): New pattern.
	* config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
	of shift when the shift amount is masked with constant equal to
	the size of the mode.
	* config/aarch64/predicates.md (subreg_lowpart_operator): New
	predicate.


2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
	    Michael Collison <michael.collison@arm.com>

	PR target/70119
	* gcc.target/aarch64/var_shift_mask_1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/var_shift_mask_1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md
    trunk/gcc/config/aarch64/predicates.md
    trunk/gcc/testsuite/ChangeLog