[m-dev.] diff: add option implies for accumulators

[Peter Ross]

Hi,


===================================================================


Estimated hours taken: 0.5
Branches: main

compiler/handle_options.m:
    If we are introducing accumulators turn on two optimizations which
    increase the chance of accumulator introduction.


Index: compiler/handle_options.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/handle_options.m,v
retrieving revision 1.99
diff -u -r1.99 handle_options.m
--- compiler/handle_options.m	2001/01/10 10:53:50	1.99
+++ compiler/handle_options.m	2001/03/02 10:04:53
@@ -537,6 +537,11 @@
 		bool(yes)),
 	option_implies(intermod_unused_args, optimize_unused_args, bool(yes)),
 
+	% --introduce-accumulators implies --excess-assign and
+	% --common-struct.
+	option_implies(introduce_accumulators, excess_assign, bool(yes)),
+	option_implies(introduce_accumulators, common_struct, bool(yes)),
+
 	% Don't do the unused_args optimization when making the
 	% optimization interface.
 	option_implies(make_optimization_interface, optimize_unused_args,

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