* fold-const.c (fold_binary_loc): Add folding of
authormpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 7 Aug 2014 08:12:04 +0000 (08:12 +0000)
committermpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 7 Aug 2014 08:12:04 +0000 (08:12 +0000)
commit1c75251ed9399941dabfba316c4a656c3bb70783
treed7ba08e9040a1712a5107f8572a9ad61c05b7f13
parent79b739b45e1a0166be0f9eea153758cd5c33a37c
* fold-const.c (fold_binary_loc): Add folding of
(PTR0 - (PTR1 p+ A) -> (PTR0 - PTR1) - A.
c/
* c-typeck.c (pointer_diff): Remove P - (P + CST) optimization.
testsuite/
* gcc.dg/fold-reassoc-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@213700 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/c/ChangeLog
gcc/c/c-typeck.c
gcc/fold-const.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/fold-reassoc-3.c [new file with mode: 0644]