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[Bug tree-optimization/15791] fold misses that two ADDR_EXPR of an arrary obvious not equal
- From: "rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jan 2005 14:35:56 -0000
- Subject: [Bug tree-optimization/15791] fold misses that two ADDR_EXPR of an arrary obvious not equal
- References: <20040603004359.15791.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de 2005-01-26 14:35 -------
Could we, in general, fold &a[i] TRUTHOP &a[j] to i TRUTHOP j? I guess the
only special case would be for sizeof(a[i]) == 0 -- but that is not allowed
by the standard? I'll be wading through fold tomorrow and look where to add
this transformation.
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CC| |rguenth at tat dot physik
| |dot uni-tuebingen dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15791