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Segher Boessenkool fb54f550a0 combine: Fix PR84780 (more LOG_LINKS trouble)
There still are situations where we have stale LOG_LINKS.  This causes
combine to try two-insn combinations I2->I3 where the register set by
I2 is used before I3 as well.  Not good.

This patch fixes it by checking for this situation in can_combine_p
(similar to what we already do for three and four insn combinations).

From-SVN: r258452
2018-03-12 16:26:16 +01:00
config
contrib More Cilk Plus removal 2018-03-02 17:35:26 +01:00
fixincludes
gcc combine: Fix PR84780 (more LOG_LINKS trouble) 2018-03-12 16:26:16 +01:00
gnattools
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libatomic S/390: libatomic: Fix 16 byte atomic exchange 2018-03-09 12:32:22 +00:00
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libcpp * da.po: Update. 2018-03-03 18:55:20 +00:00
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libgcc fptr.c (_dl_read_access_allowed): New. 2018-03-07 00:17:32 +00:00
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libiberty libiberty: fix URL for demangler ABI 2018-03-02 20:20:37 +00:00
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libstdc++-v3 printers.py (build_libstdcxx_dictionary): Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers registration. 2018-03-09 05:56:07 +00:00
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