[m-dev.] diff: fix minor LLDS back-end performance bug on Alpha

[Fergus Henderson]

Estimated hours taken: 0.25

configure.in:
	Fix a bug: the hard-coded setting of the number of registers
	available for the Alpha was wrong; it didn't match the
	settings in runtime/machdeps/alpha_regs.h.

Workspace: /home/hg/fjh/mercury
Index: configure.in
===================================================================
RCS file: /home/mercury1/repository/mercury/configure.in,v
retrieving revision 1.243
diff -u -d -r1.243 configure.in
--- configure.in	2001/01/22 04:41:54	1.243
+++ configure.in	2001/02/06 09:31:17
@@ -2101,9 +2101,9 @@
 		HAVE_DELAY_SLOT=
 		;;
 	alpha*-*)
-		# NUM_REAL_REGS=6
+		# NUM_REAL_REGS=7
 		# but succip, sp, and hp are real regs, so subtract 3
-		NUM_REAL_R_REGS=3
+		NUM_REAL_R_REGS=4
 		NUM_REAL_R_TEMPS=6
 		HAVE_DELAY_SLOT=
 		;;

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
                                    |  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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