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| author | Richard Henderson <rth@redhat.com> | 2004-07-11 04:11:36 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-07-11 04:11:36 -0700 |
| commit | 7e7d1b4b3f489aa357f5ba5979712bd2420ffd50 (patch) | |
| tree | 1944207e0dcb55583dec29eca431076b6c360928 /gcc | |
| parent | 370b733b3c102b9cb5d1f22bf3198cd362fa8f34 (diff) | |
| download | gcc-7e7d1b4b3f489aa357f5ba5979712bd2420ffd50.zip gcc-7e7d1b4b3f489aa357f5ba5979712bd2420ffd50.tar.gz gcc-7e7d1b4b3f489aa357f5ba5979712bd2420ffd50.tar.bz2 | |
expr.c (store_expr): Don't fiddle subreg promotion for types with precision smaller than the mode.
* expr.c (store_expr): Don't fiddle subreg promotion for types
with precision smaller than the mode.
From-SVN: r84501
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b6d3bdf..295dba3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-07-11 Richard Henderson <rth@redhat.com> + + * expr.c (store_expr): Don't fiddle subreg promotion for types + with precision smaller than the mode. + 2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk> * tree.h (all_types_permanent): Remove. @@ -4144,7 +4144,10 @@ store_expr (tree exp, rtx target, int want_value) more than just converting modes. */ if ((want_value & 1) == 0 && INTEGRAL_TYPE_P (TREE_TYPE (exp)) - && TREE_TYPE (TREE_TYPE (exp)) == 0) + && TREE_TYPE (TREE_TYPE (exp)) == 0 + && (!lang_hooks.reduce_bit_field_operations + || (GET_MODE_PRECISION (GET_MODE (target)) + == TYPE_PRECISION (TREE_TYPE (exp))))) { if (TYPE_UNSIGNED (TREE_TYPE (exp)) != SUBREG_PROMOTED_UNSIGNED_P (target)) |