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| author | Toon Moene <toon@moene.indiv.nluug.nl> | 2001-07-19 18:33:30 +0000 |
|---|---|---|
| committer | Toon Moene <toon@moene.indiv.nluug.nl> | 2001-07-19 18:33:30 +0000 |
| commit | c4c0554459c61e5cfd6982f4b8fff0000e3ad7f3 (patch) | |
| tree | 2ed7d4fa1d6ed1f855ef6d2b7b3558f67e086566 /gcc/doc | |
| parent | 659abf78f2c76c59c8e4f86ae81282984387bd35 (diff) | |
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.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@44156 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc')
| -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 aa976e85622..a35ab4550e9 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 |