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| author | Richard Stallman <rms@gnu.org> | 1993-02-07 17:24:37 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-02-07 17:24:37 +0000 |
| commit | ef2bf0c061d67c26b877151cd1983dbe39393aef (patch) | |
| tree | 7e9d292126501a37afde6bf13ce94cfe6169461a /gcc/fold-const.c | |
| parent | 3ceb5ed36caa09099afa64291397c9ca9c5bc462 (diff) | |
| download | gcc-ef2bf0c061d67c26b877151cd1983dbe39393aef.zip gcc-ef2bf0c061d67c26b877151cd1983dbe39393aef.tar.gz gcc-ef2bf0c061d67c26b877151cd1983dbe39393aef.tar.bz2 | |
(fold): Call force_fit_type with two parameters.
(force_fit_type): Don't examine the tree until
it is known to an INTEGER_CST. If it isn't, just return.
From-SVN: r3434
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 6e683e2..5a7aa46 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -123,14 +123,19 @@ force_fit_type (t, overflow) tree t; int overflow; { - HOST_WIDE_INT low = TREE_INT_CST_LOW (t), high = TREE_INT_CST_HIGH (t); - register int prec = TYPE_PRECISION (TREE_TYPE (t)); + HOST_WIDE_INT low, high; + register int prec; if (TREE_CODE (t) != INTEGER_CST) - abort (); + return overflow; + + low = TREE_INT_CST_LOW (t); + high = TREE_INT_CST_HIGH (t); if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE) prec = POINTER_SIZE; + else + prec = TYPE_PRECISION (TREE_TYPE (t)); /* First clear all bits that are beyond the type's precision. */ @@ -3258,7 +3263,7 @@ fold (expr) { t = build_int_2 (TREE_STRING_POINTER (arg0)[i], 0); TREE_TYPE (t) = TREE_TYPE (TREE_TYPE (arg0)); - force_fit_type (t); + force_fit_type (t, 0); } } return t; |