diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-25 15:33:09 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-25 15:33:09 +0000 |
| commit | 5c9c131f3aed1b7d78fea1a09b9ce9241304320b (patch) | |
| tree | 0c1732108c28dfd96d0a904da58046653148d363 /gcc/expr.c | |
| parent | b43fc0dc6333c862d43f9db0e51334ac53007d81 (diff) | |
| download | gcc-5c9c131f3aed1b7d78fea1a09b9ce9241304320b.tar.gz | |
2008-01-25 Richard Guenther <rguenther@suse.de>
PR middle-end/32244
* expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
to its bitfield precision if required.
* gcc.c-torture/execute/pr32244-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131828 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 84dab2f4871..53cb3eb9d2c 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -8920,8 +8920,11 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, target = 0; op0 = expand_expr (TREE_OPERAND (exp, 0), subtarget, VOIDmode, EXPAND_NORMAL); - return expand_shift (code, mode, op0, TREE_OPERAND (exp, 1), target, + temp = expand_shift (code, mode, op0, TREE_OPERAND (exp, 1), target, unsignedp); + if (code == LSHIFT_EXPR) + temp = REDUCE_BIT_FIELD (temp); + return temp; /* Could determine the answer when only additive constants differ. Also, the addition of one can be handled by changing the condition. */ |