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Committed (vectorizable_comparison): Swap operands only once.


For gcc.dg/vect/vect-bool-cmp.c, vectorizable_comparison would swap the comparison operands
in fn7 once for each copy, thus all odd copies would end up unswapped.
Regression tested on x86_64-pc-linux-gnu.
Committed as obvious.

Attachment: fix-vcmp.txt
Description: Text document


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