[m-rev.] Re: diff: java tail recursion optimization

[Fergus Henderson]

On 11-Feb-2002, Fergus Henderson <fjh at cs.mu.oz.au> wrote:
> Implement tail call optimization for the Java back-end.
> Also change tail call optimization for the C back-end to
> use while/break/continue rather than gotos.

Sorry, I forgot to include this file:

compiler/handle_options.m:
	Don't disable tail recursion optimization when compiling Java.

Workspace: /home/ceres/fjh/mercury
Index: compiler/handle_options.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/handle_options.m,v
retrieving revision 1.127
diff -u -d -r1.127 handle_options.m
--- compiler/handle_options.m	7 Feb 2002 07:21:12 -0000	1.127
+++ compiler/handle_options.m	11 Feb 2002 11:27:23 -0000
@@ -313,7 +313,6 @@
 	% store nondet environments on the heap.
 	% XXX no static ground terms should be eliminated in a later
 	%     version.
-	% XXX The Java backend should eventually support optimizing tailcalls.
 	( { Target = java } ->
 		globals__io_set_option(highlevel_code, bool(yes)),
 		globals__io_set_option(highlevel_data, bool(yes)),	
@@ -321,7 +320,6 @@
 		globals__io_set_option(nondet_copy_out, bool(yes)),
 		globals__io_set_option(det_copy_out, bool(yes)),
 		globals__io_set_option(num_tag_bits, int(0)),
-		globals__io_set_option(optimize_tailcalls, bool(no)),
 		globals__io_set_option(static_ground_terms, bool(no)),
 		globals__io_set_option(put_nondet_env_on_heap, bool(yes))
 	;
-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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