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| author | Jakub Jelinek <jakub@redhat.com> | 2008-11-12 09:16:12 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-11-12 09:16:12 +0100 |
| commit | 8ebec1a5dd8a729cf24ad3cc708d9193392e8451 (patch) | |
| tree | eb28785246995032ff8cc01e09d0149549e0cf4c /gcc | |
| parent | 0d6872cba72c3fad11d88e31611fc5ff229f8288 (diff) | |
| download | gcc-8ebec1a5dd8a729cf24ad3cc708d9193392e8451.zip gcc-8ebec1a5dd8a729cf24ad3cc708d9193392e8451.tar.gz gcc-8ebec1a5dd8a729cf24ad3cc708d9193392e8451.tar.bz2 | |
re PR target/35366 (gfortran.dg/equiv_7.f90 fails with -m64 -Os on powerpc-apple-darwin9)
PR target/35366
* expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment
than INNER and INNER is a constant, forcibly align INNER as much
as needed.
From-SVN: r141782
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/expr.c | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 755b33b..6bb36f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-11-12 Jakub Jelinek <jakub@redhat.com> + + PR target/35366 + * expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment + than INNER and INNER is a constant, forcibly align INNER as much + as needed. + 2008-11-11 Richard Sandiford <rdsandiford@googlemail.com> * cse.c (fold_rtx): Remove redundant gen_rtx_CONST. @@ -6862,6 +6862,16 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode, gcc_assert (inner != exp); subtarget = offset || bitpos ? NULL_RTX : target; + /* For VIEW_CONVERT_EXPR, where the outer alignment is bigger than + inner alignment, force the inner to be sufficiently aligned. */ + if (CONSTANT_CLASS_P (inner) + && TYPE_ALIGN (TREE_TYPE (inner)) < TYPE_ALIGN (TREE_TYPE (exp))) + { + inner = copy_node (inner); + TREE_TYPE (inner) = copy_node (TREE_TYPE (inner)); + TYPE_ALIGN (TREE_TYPE (inner)) = TYPE_ALIGN (TREE_TYPE (exp)); + TYPE_USER_ALIGN (TREE_TYPE (inner)) = 1; + } result = expand_expr_addr_expr_1 (inner, subtarget, tmode, modifier); if (offset) |