From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Sat, 22 Jan 2005 19:45:02 +0000 (+0200)
Subject: Re: Smoke [5.9.2] 23792 FAIL(F) osf1 V5.1 (21264A)/4 cpu)
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=61ba5045923c2764dd186c0e8c1f665460baf428;p=p5sagit%2Fp5-mst-13.2.git

Re: Smoke [5.9.2] 23792 FAIL(F) osf1 V5.1 (21264A)/4 cpu)
Message-ID: <41F2911E.8090204@iki.fi>

(drop optimisation on pp_pack.c for gcc on osf1 to -O1)

p4raw-id: //depot/perl@23862
---

diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh
index 851ac24..e038098 100644
--- a/hints/dec_osf.sh
+++ b/hints/dec_osf.sh
@@ -184,6 +184,23 @@ toke_cflags='optimize=-O2'
 ;;
 esac
 
+# The patch 23787
+# http://public.activestate.com/cgi-bin/perlbrowse?patch=23787
+# broke things for gcc (at least gcc 3.3) so that many of the
+# pack() checksum tests for formats L, j, J, especially when combined
+# with the < and > specifiers, started to fail if compiled with -O3.
+case "$isgcc" in
+gcc)
+    cat <<EOM >&4
+
+I'm lowering the optimisation level on pp_pack.c because gcc is known
+to misoptimise certain parts of it in Tru64.
+
+EOM
+pp_pack_cflags='optimize=-O1'
+;;
+esac
+
 # we want dynamic fp rounding mode, and we want ieee exception semantics
 case "$isgcc" in
 gcc)	;;