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patch to fix PR56184


The following patch fixes

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56184

The problem was in that reg equiv was not corrected for a split pseudo because of incorrect code for recognition of situation when a split pseudo was created.

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

Committed as rev. 196019.

2013-02-13 Vladimir Makarov <vmakarov@redhat.com>

        PR target/56184
        * ira.c (max_regno_before_ira): Move from ...
        (ira): ... here.
        (fix_reg_equiv_init): Use max_regno_before_ira instead of
        vec_safe_length.

2013-02-13 Vladimir Makarov <vmakarov@redhat.com>

        PR target/56184
        * gcc.target/arm/pr56184.C: New test.


Attachment: pr56184.patch
Description: Text document


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