In gcc/objc/:

[pf3gnuchains/gcc-fork.git] / gcc / tree.def

diff --git a/gcc/tree.def b/gcc/tree.def
index bd8434a..9343e5e 100644 (file)
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -414,20 +414,9 @@ DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
    of the range is taken from the type of the expression.  */
 DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
 
-/* The ordering of the following codes is optimized for the checking
-   macros in tree.h.  Changing the order will degrade the speed of the
-   compiler.  INDIRECT_REF, MISALIGNED_INDIRECT_REF.  */
-
 /* C unary `*' or Pascal `^'.  One operand, an expression for a pointer.  */
 DEFTREECODE (INDIRECT_REF, "indirect_ref", tcc_reference, 1)
 
-/* Same as INDIRECT_REF, but also specifies the alignment of the referenced
-   address:
-   Operand 0 is the referenced address (a pointer);
-   Operand 1 is an INTEGER_CST which represents the alignment of the address,
-   or 0 if the alignment is unknown.  */
-DEFTREECODE (MISALIGNED_INDIRECT_REF, "misaligned_indirect_ref", tcc_reference, 2)
-
 /* Used to represent lookup in a virtual method table which is dependent on
    the runtime type of an object.  Operands are:
    OBJ_TYPE_REF_EXPR: An expression that evaluates the value to use.
@@ -952,14 +941,16 @@ DEFTREECODE (WITH_SIZE_EXPR, "with_size_expr", tcc_expression, 2)
    generated by the builtin targetm.vectorize.mask_for_load_builtin_decl.  */
 DEFTREECODE (REALIGN_LOAD_EXPR, "realign_load", tcc_expression, 3)
 
-/* Low-level memory addressing.  Operands are SYMBOL (address of static or
-   global variable), BASE (register), INDEX (register), STEP (integer constant),
-   OFFSET (integer constant).  Corresponding address is
-   SYMBOL + BASE + STEP * INDEX + OFFSET.  Only variations and values valid on
-   the target are allowed.
+/* Low-level memory addressing.  Operands are BASE (address of static or
+   global variable or register), OFFSET (integer constant),
+   INDEX (register), STEP (integer constant), INDEX2 (register),
+   The corresponding address is BASE + STEP * INDEX + INDEX2 + OFFSET.
+   Only variations and values valid on the target are allowed.
+
+   The type of STEP, INDEX and INDEX2 is sizetype.
 
-   The type of STEP and INDEX is sizetype.  The type of BASE is
-   sizetype or a pointer type (if SYMBOL is NULL).
+   The type of BASE is a pointer type.  If BASE is not an address of
+   a static or global variable INDEX2 will be NULL.
 
    The type of OFFSET is a pointer type and determines TBAA the same as
    the constant offset operand in MEM_REF.  */