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[lra] patch to simulate reload behaviour


The following patch adds reload behaviour to LRA for some cases. Some targets assumes such behaviour.

The patch was successfully bootstrapped on x86/x86-64.

Committed as rev. 184631.

2012-02-28 Vladimir Makarov <vmakarov@redhat.com>

        * lra-constraints.c (check_and_process_move): Process source first
        for the secondary move.
        (process_alt_operands): Increase cost for scratch allocations.

Attachment: reload-behaviour.patch
Description: Text document


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