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author	rearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 19 Jun 2010 23:00:31 +0000 (23:00 +0000)
committer	rearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 19 Jun 2010 23:00:31 +0000 (23:00 +0000)
commit	2a977b7824e6cb645bd485be19261468d38b6b32
tree	71f3aa2a739ae512fbd09b5699bb5b94b922b0ca	tree \| snapshot
parent	0061967e96f53e8d00d9b2e906ebda3653f0f90e	commit \| diff

PR target/44072
* arm.md (cmpsi2_addneg): Prefer emitting adds to subs with a negative
immediate.
* constraints.md (Pw, Px): New constraints.
* thumb2.md (cmpsi2_addneg peephole2): New peepholes.

* gcc.target/arm/thumb2-cmpneg2add-1.c: New test.
* gcc.target/arm/thumb2-cmpneg2add-2.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161040 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/config/arm/arm.md		diff \| blob \| history
gcc/config/arm/constraints.md		diff \| blob \| history
gcc/config/arm/thumb2.md		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.target/arm/thumb2-cmpneg2add-1.c	[new file with mode: 0644]	blob
gcc/testsuite/gcc.target/arm/thumb2-cmpneg2add-2.c	[new file with mode: 0644]	blob

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