[m-rev.] for review: oclc in library

Zoltan Somogyi zs at csse.unimelb.edu.au
Mon Jun 1 15:58:23 AEST 2009


library/LIB_FLAGS.in:
library/Mercury.options:
	Compile all modules in the library, not just a few, with
	--optimize-constructor-last-call. I tried this last year, when
	it yielded a slight slowdown on tools/speedtest; but now, it yields
	a speedup of about 3.5%. The downside is not that important: a 2.8%
	increase in the size of the archive file holding the Mercury standard
	library.

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Index: library/LIB_FLAGS.in
===================================================================
RCS file: /home/mercury/mercury1/repository/mercury/library/LIB_FLAGS.in,v
retrieving revision 1.3
diff -u -r1.3 LIB_FLAGS.in
--- library/LIB_FLAGS.in	24 Oct 2007 09:21:16 -0000	1.3
+++ library/LIB_FLAGS.in	25 Oct 2007 01:53:47 -0000
@@ -1,4 +1,5 @@
 @BOOTSTRAP_MC_ARGS@
+--optimize-constructor-last-call
 --no-infer-all
 --halt-at-warn
 --no-warn-inferred-erroneous
Index: library/Mercury.options
===================================================================
RCS file: /home/mercury/mercury1/repository/mercury/library/Mercury.options,v
retrieving revision 1.31
diff -u -r1.31 Mercury.options
--- library/Mercury.options	28 Apr 2009 02:05:54 -0000	1.31
+++ library/Mercury.options	30 Apr 2009 06:54:51 -0000
@@ -6,13 +6,13 @@
 # Mercury.options - module-specific flags for Mmake and `mmc --make'.
 #-----------------------------------------------------------------------------#
 
-# Modules which use user-guided type specialization need to be
-# compiled with these flags to make sure all calls
-# to the builtin comparison routines are inlined.
+# Modules which use user-guided type specialization need to be compiled with
+# $(TYPE_SPEC_FLAGS) flags to make sure all calls to the builtin comparison
+# routines are inlined.
 TYPE_SPEC_FLAGS = --inline-vars-threshold 10000
-MCFLAGS-list += $(TYPE_SPEC_FLAGS) --optimize-constructor-last-call
+MCFLAGS-list += $(TYPE_SPEC_FLAGS)
 MCFLAGS-map += $(TYPE_SPEC_FLAGS)
-MCFLAGS-tree234 += $(TYPE_SPEC_FLAGS) --optimize-constructor-last-call
+MCFLAGS-tree234 += $(TYPE_SPEC_FLAGS)
 MCFLAGS-set += $(TYPE_SPEC_FLAGS)
 MCFLAGS-set_ordlist += $(TYPE_SPEC_FLAGS)
 
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