[src/trunk]: src Reduce optimization level for sh5 for one file which causes ...

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5973b83bb43c
branches:  trunk
changeset: 581125:5973b83bb43c
user:      he <he%NetBSD.org@localhost>
date:      Thu May 26 18:33:36 2005 +0000

description:
Reduce optimization level for sh5 for one file which causes our gcc
3.3.3 to get an internal compiler error of type "can't split insn".

diffstat:

 doc/HACKS                    |  10 +++++++++-
 sys/lkm/net/bsdcomp/Makefile |   6 +++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diffs (42 lines):

diff -r d0efc69b470f -r 5973b83bb43c doc/HACKS
--- a/doc/HACKS Thu May 26 14:38:28 2005 +0000
+++ b/doc/HACKS Thu May 26 18:33:36 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.47 2005/05/18 13:58:10 chs Exp $
+# $NetBSD: HACKS,v 1.48 2005/05/26 18:33:36 he Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -386,6 +386,14 @@
                Drop to -O1 for now when building for sh5.
        kcah
 
+       hack    gcc 3.3.3 nb3 on sh5 - ICE compiling bsd-comp.c
+       cdate   Thu May 25 23:05:20 UTC 2005
+       who     he
+       file    sys/lkm/net/bsdcomp/Makefile : 1.3
+       descr
+               Gcc3 for sh5 gets an ICE compiling this at -O2,
+               "could not split insn".  Drop to -O1 for sh5.
+       kcah
 
 port   sun2
 
diff -r d0efc69b470f -r 5973b83bb43c sys/lkm/net/bsdcomp/Makefile
--- a/sys/lkm/net/bsdcomp/Makefile      Thu May 26 14:38:28 2005 +0000
+++ b/sys/lkm/net/bsdcomp/Makefile      Thu May 26 18:33:36 2005 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.2 2004/06/30 02:58:24 jmc Exp $
+#      $NetBSD: Makefile,v 1.3 2005/05/26 18:33:36 he Exp $
 
 .include "../Makefile.inc"
 
@@ -9,4 +9,8 @@
 KMOD=  bsdcomp
 SRCS=  lkminit_bsdcomp.c bsd-comp.c
 
+.if ${MACHINE_CPU} == "sh5"
+COPTS.bsd-comp.c=      -O1
+.endif
+
 .include <bsd.kmod.mk>