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| author | Nathan Sidwell <nathan@codesourcery.com> | 2004-08-20 14:28:28 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2004-08-20 14:28:28 +0000 |
| commit | fabead06137e34773b26c619b0085e2c03e06f4d (patch) | |
| tree | d3da5d39adba6b1b0e4d10a71161c188470c2bbc /gcc/fold-const.c | |
| parent | 3224beadb4cebe8137600efe3d13082f40076cc1 (diff) | |
| download | gcc-fabead06137e34773b26c619b0085e2c03e06f4d.zip gcc-fabead06137e34773b26c619b0085e2c03e06f4d.tar.gz gcc-fabead06137e34773b26c619b0085e2c03e06f4d.tar.bz2 | |
fold-const.c (int_const_binop): Don't generate non-overflowing size-types specially.
* fold-const.c (int_const_binop): Don't generate non-overflowing
size-types specially.
(fold_convert_const): Likewise.
From-SVN: r86321
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 092712b..2384bd1 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -1412,16 +1412,7 @@ int_const_binop (enum tree_code code, tree arg1, tree arg2, int notrunc) abort (); } - /* If this is for a sizetype, can be represented as one (signed) - HOST_WIDE_INT word, and doesn't overflow, use size_int since it caches - constants. */ - if (is_sizetype - && ((hi == 0 && (HOST_WIDE_INT) low >= 0) - || (hi == -1 && (HOST_WIDE_INT) low < 0)) - && overflow == 0 && ! TREE_OVERFLOW (arg1) && ! TREE_OVERFLOW (arg2)) - return size_int_type (low, type); - else - t = build_int_cst (TREE_TYPE (arg1), low, hi); + t = build_int_cst (TREE_TYPE (arg1), low, hi); if (notrunc) { @@ -1783,13 +1774,6 @@ fold_convert_const (enum tree_code code, tree type, tree arg1) if (TYPE_PRECISION (type) > 2 * HOST_BITS_PER_WIDE_INT) return NULL_TREE; - /* If we are trying to make a sizetype for a small integer, use - size_int to pick up cached types to reduce duplicate nodes. */ - if (TREE_CODE (type) == INTEGER_TYPE && TYPE_IS_SIZETYPE (type) - && !TREE_CONSTANT_OVERFLOW (arg1) - && compare_tree_int (arg1, 10000) < 0) - return size_int_type (TREE_INT_CST_LOW (arg1), type); - /* Given an integer constant, make new constant with new type, appropriately sign-extended or truncated. */ t = build_int_cst (type, TREE_INT_CST_LOW (arg1), |