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| author | Jeffrey A Law <law@cygnus.com> | 1998-06-17 17:54:27 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-06-17 11:54:27 -0600 |
| commit | 7d12cee1f19f361979d95de783cd939472c61c99 (patch) | |
| tree | 900d25b1198794ec9e744e8f9487702e15f0afe2 /gcc/fold-const.c | |
| parent | b74390dec9feec897787bf938721323c18f42092 (diff) | |
| download | gcc-7d12cee1f19f361979d95de783cd939472c61c99.zip gcc-7d12cee1f19f361979d95de783cd939472c61c99.tar.gz gcc-7d12cee1f19f361979d95de783cd939472c61c99.tar.bz2 | |
* fold-const.c (make_range): Do not widen the type of the expression.
From-SVN: r20545
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b75da2e..73b0189 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2821,6 +2821,7 @@ make_range (exp, pin_p, plow, phigh) { enum tree_code code; tree arg0, arg1, type = NULL_TREE; + tree orig_type = NULL_TREE; int in_p, n_in_p; tree low, high, n_low, n_high; @@ -2958,6 +2959,11 @@ make_range (exp, pin_p, plow, phigh) continue; case NOP_EXPR: case NON_LVALUE_EXPR: case CONVERT_EXPR: + if (orig_type == NULL_TREE) + orig_type = type; + if (TYPE_PRECISION (type) > TYPE_PRECISION (orig_type)) + break; + if (! INTEGRAL_TYPE_P (type) || (low != 0 && ! int_fits_type_p (low, type)) || (high != 0 && ! int_fits_type_p (high, type))) |