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2011-04-26 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 26 Apr 2011 09:21:44 +0000 (09:21 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 26 Apr 2011 09:21:44 +0000 (09:21 +0000)
commit34e1297ac7cbe96fce5155bc9f16adfe225ac7c0
tree8ff4c2719e2c23a082193dd49ef8d3a607ac33e4tree | snapshot
parent2d6974fd89d90105d1bc6462f4cb684ea4b5cb85commit | diff
2011-04-26  Richard Guenther  <rguenther@suse.de>

PR middle-end/48694
* tree.h (OEP_CONSTANT_ADDRESS_OF): New operand_equal_flag.
* fold-const.c (operand_equal_p): For TREE_CONSTANT ADDR_EXPRs
compare the operands with OEP_CONSTANT_ADDRESS_OF.  Treat
trees with TREE_SIDE_EFFECTS equal when OEP_CONSTANT_ADDRESS_OF
is set.

* gcc.dg/torture/pr48694-1.c: New testcase.
* gcc.dg/torture/pr48694-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172954 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/fold-const.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr48694-1.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/torture/pr48694-2.c [new file with mode: 0644] blob
gcc/tree.h diff | blob | history
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