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| author | Jakub Jelinek <jakub@redhat.com> | 2011-01-28 20:36:44 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-01-28 20:36:44 +0100 |
| commit | 591e29d9da4cb934419efab7e73468df42af9186 (patch) | |
| tree | 738974e0dfcd7dab87ec93691e86e2079883ce31 /gcc/varasm.c | |
| parent | 62dcc44a4bbe224aaac5d5dccb4703382b3a84e5 (diff) | |
| download | gcc-591e29d9da4cb934419efab7e73468df42af9186.zip gcc-591e29d9da4cb934419efab7e73468df42af9186.tar.gz gcc-591e29d9da4cb934419efab7e73468df42af9186.tar.bz2 | |
re PR target/42894 (Invalid rtl sharing in Thumb1.)
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.
From-SVN: r169370
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index afd9942..a1cddac 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -1,7 +1,7 @@ /* Output variables, constants and external declarations, for GNU compiler. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, - 2010 Free Software Foundation, Inc. + 2010, 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -3518,7 +3518,7 @@ force_const_mem (enum machine_mode mode, rtx x) pool->offset &= ~ ((align / BITS_PER_UNIT) - 1); desc->next = NULL; - desc->constant = tmp.constant; + desc->constant = copy_rtx (tmp.constant); desc->offset = pool->offset; desc->hash = hash; desc->mode = mode; |