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[lra] some cleaning up to speed up LRA

From: Vladimir Makarov <vmakarov at redhat dot com>
To: gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Thu, 23 Jun 2011 15:32:19 -0400
Subject: [lra] some cleaning up to speed up LRA

The following patch removes a code used for some experiments in pseudo live range splitting during the assignment sub-pass and, as consequence, speeds LRA up.

The patch was successfully bootstrapped on x86-64.

2011-06-23 Vladimir Makarov <vmakarov@redhat.com>

* lra-int.h (struct lra_bb_info, lra_bb_info): Remove.

        * lra.c (lra_bb_info, init_bb_info, finish_bb_info): Remove.
        (lra): Remove calls of init_bb_info and finish_bb_info.

        * lra-lives.c (live_regs): Remove.
        (make_hard_regno_born, make_pseudo_live, make_pseudo_dead): Don't
        update live_regs.
        (process_bb_lives): Ditto.  Don't set up lra_bb_info.
        (lra_create_live_ranges): Don't initialize/finalize live_regs.

Attachment: june23.patch
Description: Text document

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