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(TREE_OVERFLOW): New macro. 

(pushcase, pushcase_range): Add a new converter
function argument that specifies how to convert case labels to the
nominal type.

From-SVN: r4826
This commit is contained in:
Paul Eggert 1993-07-02 01:26:01 +00:00
parent 10d5caece7
commit 261450e857
1 changed files with 12 additions and 5 deletions
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17
gcc/tree.h
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@ -246,13 +246,20 @@ struct tree_common
implicitly and should not lead to an "unused value" warning. */
#define TREE_NO_UNUSED_WARNING(NODE) ((NODE)->common.static_flag)
/* In an INTEGER_CST, this means there was overflow in folding. */
#define TREE_CONSTANT_OVERFLOW(NODE) ((NODE)->common.static_flag)
/* Nonzero for a TREE_LIST or TREE_VEC node means that the derivation
chain is via a `virtual' declaration. */
#define TREE_VIA_VIRTUAL(NODE) ((NODE)->common.static_flag)
/* In an INTEGER_CST, this means there was an overflow in folding.
This is distinct from TREE_OVERFLOW because ANSI C requires a diagnostic
when overflows occur in constant expressions. */
#define TREE_CONSTANT_OVERFLOW(NODE) ((NODE)->common.static_flag)
/* In an INTEGER_CST, this means there was an overflow in folding,
and no warning has been issued for this subexpression.
TREE_OVERFLOW implies TREE_CONSTANT_OVERFLOW, but not vice versa. */
#define TREE_OVERFLOW(NODE) ((NODE)->common.public_flag)
/* In a VAR_DECL or FUNCTION_DECL,
nonzero means name is to be accessible from outside this module.
In an identifier node, nonzero means an external declaration
@ -1415,8 +1422,8 @@ extern void expand_end_bindings PROTO((tree, int, int));
extern tree last_cleanup_this_contour PROTO((void));
extern void expand_start_case PROTO((int, tree, tree, char *));
extern void expand_end_case PROTO((tree));
extern int pushcase PROTO((tree, tree, tree *));
extern int pushcase_range PROTO((tree, tree, tree, tree *));
extern int pushcase PROTO((tree, tree (*) (tree, tree), tree, tree *));
extern int pushcase_range PROTO((tree, tree, tree (*) (tree, tree), tree, tree *));
/* In fold-const.c */