Eric, Jakub, Thanks for your inputs, I've applied them. Updated patch is attached.
So, one more time:
ChangeLog entry:
2011-07-06 Kirill Yukhin <kirill.yuk...@intel.com>
PR middle-end/49519
* calls.c (mem_overlaps_already_clobbered_arg_p): Additional
check if address is stored in register. If so - give up.
(check_sibcall_argument_overlap_1): Do not perform check of
overlapping when it is call to address.
tessuite/ChangeLog entry:
2011-07-06 Kirill Yukhin <kirill.yuk...@intel.com>
* g++.dg/torture/pr49519.C: New test.
Bootstrapped, new test fails without the patch, passes when it is applied.
This fixes the problem with SPEC2006/447.dealII miscompile
Ok for trunk?
Thanks, K
pr49519-2.gcc.patch
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