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gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the comment.

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* gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
	comment.  Add that if LHS is not a gimple register, then RHS1 has
	to be a single object (GIMPLE_SINGLE_RHS).

Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com>

From-SVN: r147209
This commit is contained in:
Richard Guenther 2009-05-06 21:40:10 +00:00 • committed by Adam Nemet
parent 2ff2235ced
commit 22f597f1ad
2 changed files with 14 additions and 6 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2009-05-06 Richard Guenther <rguenther@suse.de>
Adam Nemet <anemet@caviumnetworks.com>
* gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
comment. Add that if LHS is not a gimple register, then RHS1 has
to be a single object (GIMPLE_SINGLE_RHS).
2009-05-06 Adam Nemet <anemet@caviumnetworks.com>
* expr.c (get_def_for_expr): Move it up in the file.

13
gcc/gimple.def
View file

@ -102,16 +102,17 @@ DEFGSCODE(GIMPLE_CHANGE_DYNAMIC_TYPE, "gimple_change_dynamic_type",
SUBCODE is the tree code for the expression computed by the RHS of the
assignment. It must be one of the tree codes accepted by
get_gimple_rhs_class.
get_gimple_rhs_class. If LHS is not a gimple register according to
is_gimple_reg, SUBCODE must be of class GIMPLE_SINGLE_RHS.
LHS is the operand on the LHS of the assignment. It must be a tree node
accepted by is_gimple_operand.
accepted by is_gimple_lvalue.
RHS1 is the first operand on the RHS of the assignment. It must be a tree
node accepted by is_gimple_operand.
RHS1 is the first operand on the RHS of the assignment. It must always be
present. It must be a tree node accepted by is_gimple_val.
RHS2 is the second operand on the RHS of the assignemnt. It must be a tree
node accepted by is_gimple_operand. This argument exists only if SUBCODE is
RHS2 is the second operand on the RHS of the assignment. It must be a tree
node accepted by is_gimple_val. This argument exists only if SUBCODE is
of class GIMPLE_BINARY_RHS. */
DEFGSCODE(GIMPLE_ASSIGN, "gimple_assign",
struct gimple_statement_with_memory_ops)