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From: Eric Botcazou <ebotcazou@libertysurf.fr>
To: Janis Johnson <janis187@us.ibm.com>
Subject: Re: Running the compat testsuite in "non-mirror" mode
Date: Mon, 22 Nov 2004 00:59:00 -0000
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References: <200411180815.10873.ebotcazou@libertysurf.fr> <200411191912.43024.ebotcazou@libertysurf.fr> <20041120005359.GA7885@us.ibm.com>
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> Does this do the kind of thing you want?  This is just an example, not
> options I actually want to add for powerpc.

This worked fine on the SPARC:

Index: gcc.dg/compat/compat.exp
===================================================================
RCS file: /cvs/gcc/gcc/gcc/testsuite/gcc.dg/compat/compat.exp,v
retrieving revision 1.1
diff -u -r1.1 compat.exp
--- gcc.dg/compat/compat.exp	5 May 2003 21:59:35 -0000	1.1
+++ gcc.dg/compat/compat.exp	21 Nov 2004 20:18:28 -0000
@@ -35,6 +35,15 @@
 load_lib standard.exp
 load_lib gcc.exp
 
+# Some targets run the tests multiple times with different sets of options.
+if ![info exists COMPAT_OPTIONS] {
+    if { [istarget sparc*-*-*] } {
+	set COMPAT_OPTIONS [list \
+	    [list {} {}] \
+	    [list {-mcpu=ultrasparc -mvis} {}]]
+    }
+}
+
 #
 # compat-use-alt-compiler -- make the alternate compiler the default
 # 

-- 
Eric Botcazou