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[Bug target/42894] [4.5 Regression] Invalid rtl sharing in Thumb1.


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42894

--- Comment #23 from Diego Novillo <dnovillo at gcc dot gnu.org> 2011-02-02 18:00:37 UTC ---
Author: dnovillo
Date: Wed Feb  2 18:00:29 2011
New Revision: 169672

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169672
Log:
    PR target/42894
    * varasm.c (force_const_mem): Store copy of x in desc->constant
    instead of x itself.
    * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
    itself into REG_EQUAL note.

    * gcc.dg/tls/pr42894.c: New test.

Added:
    branches/google/integration/gcc/testsuite/gcc.dg/tls/pr42894.c
Modified:
    branches/google/integration/gcc/ChangeLog
    branches/google/integration/gcc/expr.c
    branches/google/integration/gcc/testsuite/ChangeLog
    branches/google/integration/gcc/varasm.c


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