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| author | Tom Wood <wood@gnu.org> | 1992-06-27 10:21:04 +0000 |
|---|---|---|
| committer | Tom Wood <wood@gnu.org> | 1992-06-27 10:21:04 +0000 |
| commit | f59028696ad31fa3caeba83f0b47271095fc883c (patch) | |
| tree | 0ea33d00009f19b44689b20363bf90ee74c996eb /gcc/fold-const.c | |
| parent | 9aea9597cff287e07ff3f55ade3d8a9567a5278f (diff) | |
| download | gcc-f59028696ad31fa3caeba83f0b47271095fc883c.zip gcc-f59028696ad31fa3caeba83f0b47271095fc883c.tar.gz gcc-f59028696ad31fa3caeba83f0b47271095fc883c.tar.bz2 | |
*** empty log message ***
From-SVN: r1306
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 6c406f6..e1ad1ca 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2399,7 +2399,13 @@ range_test (jcode, type, lo_code, hi_code, var, lo_cst, hi_cst) /* When normalizing, it is possible to both increment the smaller constant and decrement the larger constant. See if they are still ordered. */ - if (tree_int_cst_lt (lo_cst, hi_cst)) + if (tree_int_cst_lt (hi_cst, lo_cst)) + return 0; + + /* Fail if VAR isn't an integer. */ + utype = TREE_TYPE (var); + if (TREE_CODE (utype) != INTEGER_TYPE + && TREE_CODE (utype) != ENUMERAL_TYPE) return 0; /* The range test is invalid if subtracting the two constants results @@ -2408,7 +2414,6 @@ range_test (jcode, type, lo_code, hi_code, var, lo_cst, hi_cst) || ! int_fits_type_p (lo_cst, TREE_TYPE (var))) return 0; - utype = TREE_TYPE (var); if (! TREE_UNSIGNED (utype)) { utype = unsigned_type (utype); |