Module Name: src
Committed By: rin
Date: Mon Feb 13 22:31:09 UTC 2017
Modified Files:
src/doc: HACKS
src/external/gpl3/gcc/usr.bin/backend: Makefile
Log Message:
PR port-vax/51967 GCC 5.4 aborts on vax due to SIGILL for cc1
As a workaround, compile dse.c with -O0.
To generate a diff of this commit:
cvs rdiff -u -r1.177 -r1.178 src/doc/HACKS
cvs rdiff -u -r1.34 -r1.35 src/external/gpl3/gcc/usr.bin/backend/Makefile
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/doc/HACKS
diff -u src/doc/HACKS:1.177 src/doc/HACKS:1.178
--- src/doc/HACKS:1.177 Sat Feb 11 04:59:01 2017
+++ src/doc/HACKS Mon Feb 13 22:31:09 2017
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.177 2017/02/11 04:59:01 christos Exp $
+# $NetBSD: HACKS,v 1.178 2017/02/13 22:31:09 rin Exp $
#
# This file is intended to document workarounds for currently unsolved
# (mostly) compiler bugs.
@@ -538,6 +538,16 @@ port vax
internal compiler error: in change_address_1, at emit-rtl.c:2019
kcah
+ hack gcc 5.4 cc1 miscompile
+ date Tue Feb 14 07:19:57 JST 2017
+ who rin
+ pr port-vax/51967
+ file external/gpl3/gcc/usr.bin/backend/Makefile : 1.35
+ descr
+ cc1 aborts due to SIGILL when compiling the sample code attached
+ to the PR. As a workaround, compile dse.c with -O0.
+ kcah
+
port arm
hack gcc-unsigned-compare
Index: src/external/gpl3/gcc/usr.bin/backend/Makefile
diff -u src/external/gpl3/gcc/usr.bin/backend/Makefile:1.34 src/external/gpl3/gcc/usr.bin/backend/Makefile:1.35
--- src/external/gpl3/gcc/usr.bin/backend/Makefile:1.34 Thu Sep 29 20:08:25 2016
+++ src/external/gpl3/gcc/usr.bin/backend/Makefile Mon Feb 13 22:31:09 2017
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.34 2016/09/29 20:08:25 uwe Exp $
+# $NetBSD: Makefile,v 1.35 2017/02/13 22:31:09 rin Exp $
LIBISPRIVATE= yes
@@ -461,6 +461,7 @@ CPPFLAGS+=-I${.CURDIR}/../../lib/libgcc/
COPTS.builtins.c+=-O0
COPTS.convert.c+=-O0
COPTS.dwarf2out.c+=-O0
+COPTS.dse.c+=-O0 /* port-vax/51967 */
COPTS.expmed.c+=-O0
COPTS.expr.c+=-O0
COPTS.fixed-value.c+=-O0
