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stmt.c (stmt_loop_nest_empty): New function.

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* stmt.c (stmt_loop_nest_empty): New function.
        * tree.h (stmt_loop_nest_empty): Declare it.

From-SVN: r24844
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Jeffrey A Law 1999-01-24 07:24:00 +00:00 committed by Jeff Law
parent 09554da93e
commit 4a050cc23f
3 changed files with 11 additions and 0 deletions
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2
gcc/ChangeLog
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@ -1,5 +1,7 @@
Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
* stmt.c (stmt_loop_nest_empty): New function.
* tree.h (stmt_loop_nest_empty): Declare it.
* rtl.def (CALL_PLACEHOLDER): New rtx code.
Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>

8
gcc/stmt.c
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@ -2345,6 +2345,14 @@ expand_exit_loop_if_false (whichloop, cond)
return 1;
}
/* Return nonzero if the loop nest is empty. Else return zero. */
int
stmt_loop_nest_empty ()
{
return (loop_stack == NULL);
}
/* Return non-zero if we should preserve sub-expressions as separate
pseudos. We never do so if we aren't optimizing. We always do so
if -fexpensive-optimizations.

1
gcc/tree.h
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@ -1952,6 +1952,7 @@ extern int pushcase_range PROTO((tree, tree,
tree (*) (tree, tree),
tree, tree *));
extern void using_eh_for_cleanups PROTO((void));
extern int stmt_loop_nest_empty PROTO((void));
/* In fold-const.c */