[src/trunk]: src/doc another gcc-4.8.1 workaround

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

details:   https://anonhg.NetBSD.org/src/rev/09f8ef98b2d7
branches:  trunk
changeset: 791189:09f8ef98b2d7
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Nov 07 21:33:59 2013 +0000

description:
another gcc-4.8.1 workaround

diffstat:

 doc/HACKS |  15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diffs (29 lines):

diff -r 35eedd8dab46 -r 09f8ef98b2d7 doc/HACKS
--- a/doc/HACKS Thu Nov 07 21:30:58 2013 +0000
+++ b/doc/HACKS Thu Nov 07 21:33:59 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.136 2013/11/07 01:47:59 joerg Exp $
+# $NetBSD: HACKS,v 1.137 2013/11/07 21:33:59 christos Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -586,6 +586,19 @@
                -fno-loop-optimize.
        kcah
 
+       hack    gcc4.8.1
+       cdate   Thu Nov  7 16:31:23 EST 2013
+       who     christos
+       file    src/sys/rump/net/lib/libnetbt/Makefile  : 1.2
+       desrc
+               compile l2cap_signal.c with -O0 to avoid:
+               ./netbt/l2cap_signal.c:36:
+               /p/netbsd/cvsroot/src/sys/rump/net/lib/libnetbt/../../../../\
+               netbt/l2cap_signal.c: In function 'l2cap_recv_signal':
+               ./sh3/byte_swap.h:20:2: error: 'asm' operand requires \
+               impossible reload
+                 __asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x));
+       kcah
 
 port   m68000