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| author | Richard Stallman <rms@gnu.org> | 1992-09-11 08:52:38 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-09-11 08:52:38 +0000 |
| commit | 2d7243898e983c8df7abc4b51cfe9ef23327f0a9 (patch) | |
| tree | 97ee7c0bd7ec4402577d48d4d0b0292bb4d44993 /gcc | |
| parent | 1f0c5cc9cf4410e18aec390311de0e7b2956b5da (diff) | |
| download | gcc-2d7243898e983c8df7abc4b51cfe9ef23327f0a9.zip gcc-2d7243898e983c8df7abc4b51cfe9ef23327f0a9.tar.gz gcc-2d7243898e983c8df7abc4b51cfe9ef23327f0a9.tar.bz2 | |
(finish_struct): Don't assume that a target integer
fits in a HOST_WIDE_INT when checking bit-field widths.
From-SVN: r2105
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-decl.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 6a50539..59d0c52 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -4826,23 +4826,23 @@ finish_struct (t, fieldlist) /* Detect and ignore out of range field width. */ if (DECL_INITIAL (x)) { - register int width = TREE_INT_CST_LOW (DECL_INITIAL (x)); + unsigned HOST_WIDE_INT width = TREE_INT_CST_LOW (DECL_INITIAL (x)); - if (width < 0) + if (tree_int_cst_lt (DECL_INITIAL (x), integer_zero_node)) { DECL_INITIAL (x) = NULL; error_with_decl (x, "negative width in bit-field `%s'"); } - else if (width == 0 && DECL_NAME (x) != 0) + else if (TREE_INT_CST_HIGH (DECL_INITIAL (x)) != 0 + || width > TYPE_PRECISION (TREE_TYPE (x))) { - error_with_decl (x, "zero width for bit-field `%s'"); DECL_INITIAL (x) = NULL; + pedwarn_with_decl (x, "width of `%s' exceeds its type"); } - else if (width > TYPE_PRECISION (TREE_TYPE (x)) - || TREE_INT_CST_HIGH (DECL_INITIAL (x)) != 0) + else if (width == 0 && DECL_NAME (x) != 0) { + error_with_decl (x, "zero width for bit-field `%s'"); DECL_INITIAL (x) = NULL; - pedwarn_with_decl (x, "width of `%s' exceeds its type"); } } |