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[lra] patch to fix SPARC bootstrap failure


The following patch fixes SPARC64 bootstrap failure finally.

The patch was successfully bootstrapped on x86/x86-64, SPARC64, and ARM.

Committed as rev. 184510.

2012-02-22 Vladimir Makarov <vmakarov@redhat.com>

        * lra-constraints.c (narrow_reload_pseudo_class): New function.
        (match_reload): Call it.
        (SLOW_UNALIGNED_ACCESS): Define the macro.
        (simplify_operand_subreg): Do not change address of improperly
        aligned memory.
        (curr_insn_transform): Invalidate used alternative if the insn is
        changed.


Attachment: sparc-bootstrap2.patch
Description: Text document


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