diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-04-23 01:53:56 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-04-23 01:53:56 +0000 |
| commit | 32e79ae6f9944488b6c360e3d2d233a3ca41cb70 (patch) | |
| tree | 4513c5254a2c57ebf8614052ec61b449af5ec70e /gcc/expr.c | |
| parent | 85fdb7fe0e95f8ecefe1ed7211dda2016f08e440 (diff) | |
| download | gcc-32e79ae6f9944488b6c360e3d2d233a3ca41cb70.tar.gz | |
2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/31448
* expr.c (reduce_to_bit_field_precision): Handle
CONST_INT rtx's.
2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/31448
* gcc.c-torture/execute/pr31448.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124054 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index c644933c0ba..e239f4c69b5 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -8962,7 +8962,14 @@ reduce_to_bit_field_precision (rtx exp, rtx target, tree type) HOST_WIDE_INT prec = TYPE_PRECISION (type); if (target && GET_MODE (target) != GET_MODE (exp)) target = 0; - if (TYPE_UNSIGNED (type)) + /* For constant values, reduce using build_int_cst_type. */ + if (GET_CODE (exp) == CONST_INT) + { + HOST_WIDE_INT value = INTVAL (exp); + tree t = build_int_cst_type (type, value); + return expand_expr (t, target, VOIDmode, EXPAND_NORMAL); + } + else if (TYPE_UNSIGNED (type)) { rtx mask; if (prec < HOST_BITS_PER_WIDE_INT) |