review.tizen.org Git - platform/upstream/gcc.git/commit

author	Eric Botcazou <ebotcazou@adacore.com>
	Mon, 4 Jun 2018 22:12:51 +0000 (22:12 +0000)
committer	Eric Botcazou <ebotcazou@gcc.gnu.org>
	Mon, 4 Jun 2018 22:12:51 +0000 (22:12 +0000)
commit	7f5a3982462c30aab676a3bf09ef4a62a30c7696
tree	65cd8834a5ebf2e1e26081175b3fc1a4b46b0b3d	tree \| snapshot
parent	d552d8190dd2d9927fa55d09b73067eb6f40b7dd	commit \| diff

gimple-ssa-store-merging.c (struct merged_store_group): Move up bit_insertion field and declare can_be_merged_into method.

* gimple-ssa-store-merging.c (struct merged_store_group): Move up
bit_insertion field and declare can_be_merged_into method.
(merged_store_group::can_be_merged_into): New method.
(imm_store_chain_info::coalesce_immediate): Call it to decide whether
consecutive non-overlapping stores can be merged. Turn MEM_REF stores
into BIT_INSERT_EXPR stores if the group contains a non-MEM_REF store.

From-SVN: r261173

gcc/ChangeLog		diff \| blob \| history
gcc/gimple-ssa-store-merging.c		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.dg/store_merging_21.c	[new file with mode: 0644]	blob
gcc/testsuite/gnat.dg/opt71a.adb	[moved from gcc/testsuite/gnat.dg/opt71.adb with 81% similarity]	diff \| blob \| history
gcc/testsuite/gnat.dg/opt71b.adb	[new file with mode: 0644]	blob