diff options
| author | Toon Moene <toon@moene.indiv.nluug.nl> | 2001-07-19 20:33:30 +0200 |
|---|---|---|
| committer | Toon Moene <toon@gcc.gnu.org> | 2001-07-19 18:33:30 +0000 |
| commit | 7d46d516525c2a1977766d88306e85493b841add (patch) | |
| tree | 2ed7d4fa1d6ed1f855ef6d2b7b3558f67e086566 /gcc/doc/c-tree.texi | |
| parent | 5442cf157b9baa37766aae56711a5e598d025ab2 (diff) | |
| download | gcc-7d46d516525c2a1977766d88306e85493b841add.zip gcc-7d46d516525c2a1977766d88306e85493b841add.tar.gz gcc-7d46d516525c2a1977766d88306e85493b841add.tar.bz2 | |
tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
* tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
* doc/tree.texi: Ditto.
* f/com.c (ffecom_expr_intrinsic_): Cope with it.
From-SVN: r44156
Diffstat (limited to 'gcc/doc/c-tree.texi')
| -rw-r--r-- | gcc/doc/c-tree.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/c-tree.texi b/gcc/doc/c-tree.texi index aa976e8..a35ab45 100644 --- a/gcc/doc/c-tree.texi +++ b/gcc/doc/c-tree.texi @@ -2003,6 +2003,9 @@ second operand is an expression for the number of bits by which to shift. Right shift should be treated as arithmetic, i.e., the high-order bits should be zero-filled when the expression has unsigned type and filled with the sign bit when the expression has signed type. +Note that the result is undefined if the second operand is larger +than the first operand's type size. + @item BIT_IOR_EXPR @itemx BIT_XOR_EXPR |