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| author | Jakub Jelinek <jakub@redhat.com> | 2012-01-26 15:09:29 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-01-26 15:09:29 +0100 |
| commit | 892123df86260d2bddfc9bbb9f2d60915a5b0b8d (patch) | |
| tree | 4ef0a42b783ea90511e4b9dc646b1386093ba1cd /gcc/expr.c | |
| parent | 1a47f99c0f033b16594eaabac4e6dbc4c5c58554 (diff) | |
| download | gcc-892123df86260d2bddfc9bbb9f2d60915a5b0b8d.zip gcc-892123df86260d2bddfc9bbb9f2d60915a5b0b8d.tar.gz gcc-892123df86260d2bddfc9bbb9f2d60915a5b0b8d.tar.bz2 | |
re PR middle-end/51895 (ICE in simplify_subreg)
PR middle-end/51895
* expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
non-addressable non-BLKmode base correctly.
* g++.dg/opt/pr51895.C: New test.
From-SVN: r183560
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -9327,6 +9327,16 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, bftype = TREE_TYPE (base); if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode) bftype = TREE_TYPE (exp); + else + { + temp = assign_stack_temp (DECL_MODE (base), + GET_MODE_SIZE (DECL_MODE (base)), + 0); + store_expr (base, temp, 0, false); + temp = adjust_address (temp, BLKmode, offset); + set_mem_size (temp, int_size_in_bytes (TREE_TYPE (exp))); + return temp; + } return expand_expr (build3 (BIT_FIELD_REF, bftype, base, TYPE_SIZE (TREE_TYPE (exp)), |